Patent Abstract:
An endoscopy instrument guider port includes a main body member where at least one surgical instrument entrance part is disposed at an upper surface, a protective tube extending downwards from the main body member, a retaining ring body fixed to a lower end portion of the protective tube, the retaining ring body being freely deformed and restored, and a control ring body disposed at a predetermined position along a length direction of the protective tube to be coiled around the protective tube through a folding motion and control a length of the protective tube. According to the present invention, the control ring body disposed at the protective tube facilitates length adjustment and traction generation of the protective tube, appropriate handling of surgical situations is possible because an upper body may be turned and separated, and surgical delays may be prevented while endoscopy operations may be made easier.

Full Description:
CROSS REFERENCE TO RELATED APPLICATIONS AND CLAIM OF PRIORITY 
       [0001]    This patent application claims benefit under 35 U.S.C. 119(e), 120, 121, or 365(c), and is a National Stage entry from International Application No. PCT/KR2011/006645, filed Sep. 8, 2011, which claims priority to Korean Patent Application numbers 10-2010-0088656 filed Sep. 10, 2010, and 10-2010-0099563 filed Oct. 13, 2010, entire contents of which are incorporated herein by reference. 
     
    
     BACKGROUND 
       [0002]    1. Technical Field 
         [0003]    The present invention relates to an endoscopy instrument guide port. 
         [0004]    2. Description of the Related Art 
         [0005]    In general, since a size of an operation hole (incision window) of a laparoscopic endoscopic operation (that is also called ‘minimally invasive surgery’) is small as compared with that of a traditional laparotomy operation, the laparoscopic endoscopic operation has merits that scars left from surgery are not bad-looking, pain due to the wound is more reduced, and the hospital treatment period is shorten due to a short recovery time so that the patient returns more quickly to daily life. Thus, in recent years, the laparoscopic endoscopic operation has been widely conducted for most diseases except for several cancers. 
         [0006]    According to the endoscopic operation, a small hole is perforated in the belly of a patient by using an intubation surgical device called a trocar, in which at least one trocar is inserted into the belly and various surgical devices such as a forceps, a cutting device, an internal organ extraction device, and an endoscopic camera are introduced to an operated portion in the belly through the trocar to perform various operations such as cholecystectomy, biliary stone removal, appendectomy, and a general surgical operation. 
         [0007]    Meanwhile, in recent years, endoscopic operations are being performed through a portion of a navel by using a plurality of trocars described above without incising the belly to reduce the scar left in the belly of the patient and allow the patient to recover promptly. 
         [0008]    In general, if a hole for an operation is perforated in the navel of a human body, the scar is not easily exposed to the outside even after the wound is healed up and is not visually recognized as the scar, so an endoscopic operation through a navel is currently preferred. 
         [0009]    In order to perform such a surgical operation, an operation hole of 10 mm to 12 mm is perforated in the navel according to the type of the operations, and a surgical tool guide for introducing various surgical tools into the belly is installed in the operation hole to be used. 
         [0010]    However, the surgical tool guide according to the related art delays an operation because the surgical tool guide is easily separated from its installation position such as a belly or nitrogen gas introduced to ensure the operation space is often leaked during the operation. In this regard, the present applicant has developed a surgical tool guide for preventing separation of the guide to ensure a smooth operation, which was filed on Mar. 27, 2009 and registered as Korean Patent No. 10-915882. 
         [0011]    The patented surgical tool guide of Korean Patent No. 10-915882 is shown in  FIG. 13 . In the surgical tool guide  1 , a plurality of tool entrances  3  for entry of various surgical tools are provided at an upper portion of a body  2 , an attaching ring  4  having a resiliency to be attached to and supported by an upper portion of an operation hole is installed at an end of an opened bottom surface of the body  2 , and a support ring  5  is located at an outer portion of the body  2  in the longitudinal direction of the body  2  in an interior, which is defined as the attachment ring  4  overlaps an outer wall of the body  2 , in order to support the body  2  in correspondence with the attachment ring  4  according to a thickness of an abdominal wall when it is introduced into an abdominal cavity through an operation hole. 
         [0012]    According to the surgical tool guide  1  as shown in  FIG. 14 , the attaching ring  4  located at an upper portion of the operation hole is folded upward in a state that the support ring  5  is suspended in the abdominal cavity such that the attachment ring  4  can be positioned at an upper side of the belly according to a thickness of the belly wall to tightly tension the body  2 . Thus, the surgical tool guide  1  is not easily separated from the operation hole during the operation and the body  2  can be tightly maintained between the support ring  5  and the attaching ring  4 . 
         [0013]    However, in spite of the merits described above, there are several problems in the above surgical tool guide. First, since the attaching ring  4  is provided at an end portion of the body  2  after the body  2  has surrounded the support ring  5 , even if the attaching ring  4  is wrapped in the state that the support ring  5  is suspended in the abdominal cavity, only a portion of the body  2  between the support ring  5  and the attachment ring  4  is tightly tensioned and a portion of the body  2  extending toward the surgical instrument entrance parts  3  from the support ring  5  may not be sufficiently tensioned. 
         [0014]    Thus, it is difficult to properly adjust the length of the body  2  in the state that the support ring  5  is introduced in the abdominal cavity through the operation hole. Therefore, when the installed body  2  is too long (that is, the length from the operation hole to the surgical instrument entrance part is too long), there is a problem to reintroduce the support ring  5  into the abdominal cavity after adjusting the length of the body  2  by taking the introduced support ring  5  out of the abdominal cavity. Further, since the traction force for expanding the operation hole is insufficient, it is limited to ensure the space and the visual field for entry of a surgical instrument so that the operation may not be smoothly performed. 
         [0015]    Further, since the surgical instrument entrance parts  3  are integrally and fixedly formed with the body  2 , the positions of surgical instruments may not be changed after the surgical instruments are introduced into the abdominal cavity, so that the positions of the surgical instruments may not be properly adjusted according situations during the operation. Thus, when it is necessary to control the positions of the surgical instruments, after the surgical instruments are inevitably taken out of abdominal cavity to change the positions of the surgical instruments, the surgical instruments must be again introduced inconveniently in the abdominal cavity through the surgical instrument entrance part. 
         [0016]    In addition, when an organic extraction of a large size is resected during the operation after installation of the surgical tool guide, it is impossible to take the organic extraction out of the belly if the installed surgical tool guide is not dismantled. Further, since the distance between the surgical instrument entrance parts  3 , through which the surgical instrument is introduced, and the belly is too long, the operation is difficult and the distance control is not easy. 
       SUMMARY 
       [0017]    The present invention has been made in an effort to solve one or more of the above-described problems, and an aspect of the present invention is to provide an endoscopy instrument guide port which can easily and simply control a length of a protective tube in an installed state thereof and can ensure the traction force for expanding an operation hole. 
         [0018]    An embodiment of the present invention also provides an endoscopy instrument guide port in which a surgical instrument entrance part is constructed to be rotated in a horizontal direction and to be separated as necessary such that the surgical instrument entrance part can be properly modified according to the operation situation. 
         [0019]    An embodiment of the present invention also provides an endoscopy instrument guide port in which an upper tube is connected to or separated from a lower tube through a tube connection unit such that the upper tube can be separated if necessary, such as for organic extraction, and the length of the guide can be easily adjusted according to the conditions of the patient and the operation environment so that an operation can be smoothly performed. 
         [0020]    In order to solve the above problems, according to an aspect of the present invention, there is provided an endoscopy instrument guide port including a main body member having a top end at which at least one surgical instrument entrance part is formed; a protective tube extending downward from the main body member by a predetermined length; a support ring member provided at a lower end portion of the protective tube, the support ring member being freely deformed and restored; and an adjustment ring member fixedly provided at a predetermined position lengthwise along the protective tube to coil the protective tube through a folding motion in order to adjust a length of the protective tube. 
         [0021]    The main body member includes an upper cap having a top end at which at least one surgical instrument entrance part is formed; and a rail ring member connected to the protective tube to support the upper cap such that the upper cap is able to horizontally rotate. 
         [0022]    Further, there is provided an endoscopy instrument guide port including an upper cap having a top end at which at least one surgical instrument entrance part is formed; a rail ring member supporting the upper cap such that the upper cap is able to rotate in a horizontal direction; a protective tube connected to the rail ring member and extending downward by a predetermined length; and a support ring member provided at a lower end portion of the protective tube, the support ring member being freely deformed and restored. 
         [0023]    The coupling ring member is formed at an upper end portion of the protective tube, a coupling member coupled to the coupling ring member is formed at a lower end portion of the rail ring member, and the rail ring member and the protective tube are detachably connected to each other. 
         [0024]    The rail space portion is formed inside the rail ring member, and a shaft end protrudes from a lower end of the upper cap and is received in the rail space portion such that the shaft end is slidably rotated in a horizontal direction. 
         [0025]    In addition, the endoscopy instrument guide port further includes a packing ring member received in the rail space portion and disposed above and below the shaft end in the rail space portion. 
         [0026]    In addition, there is provided an endoscopy instrument guide port including an upper tube having a top end portion at which at least one surgical instrument entrance part is formed; a lower tube having a lower end portion at which a support ring freely deformed and restored is provided; and a tube connection unit for detachably coupling the upper tube and the lower tube. 
         [0027]    The tube connection unit includes an upper ring member fixed to a lower end portion of the upper tube; and a lower ring member fixed to an upper end portion of the lower tube, and, in a state that the upper ring member is fitted around the lower ring member, the lower ring member is folded outward to coil the upper and lower tubes together such that the upper and lower tubes are connected to each other. 
         [0028]    The lower ring member has a longitudinal length longer than a longitudinal length of the upper ring member. 
         [0029]    The endoscopy instrument guide port according to the present invention can easily and simply control the length of the protective tube in an installed state thereof through a folding operation of the adjustment ring member included in the protective tube and tightly tension the protective tube through the length adjustment, so that a sufficient traction force can be ensured. 
         [0030]    Further, since the surgical instrument entrance part can be rotated in a horizontal direction, a suitable treatment can be performed by rotating the upper cap without taking a surgical instrument out of the belly when necessary to adjust a position of the surgical instrument during an operation. 
         [0031]    In addition, an organic extraction can be taken out of a belly by separating only the upper tube without a need to disassemble the entire endoscopy instrument guide port when it is necessary to take the organic extraction out of the belly. Specifically, after separating the upper tube, if the lower ring member is continuously coiled, the operation hole is expanded so that an organic extraction having a large size can be very easily extracted. 
         [0032]    Further, in the state that the upper tube and the lower tube are connected to each other, the length of the guide can be easily adjusted through the coiling operation of the lower ring member and in addition, the extension of the operation hole can be smoothly controlled so that the operation can be more easily performed. 
         [0033]    In addition, if the lower tube is used after separating the upper tube from the lower tube, the lower tube can be utilized as a wound protector to protect an incised surface of an operation hole. 
         [0034]    Furthermore, besides the above effects, the unique effects, which can be easily induced and expected from the feature and configurations of the present invention, are also included in the effects of the present invention. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0035]      FIG. 1  is a perspective view showing an endoscopic instrument guide port according to a first embodiment of the present invention; 
           [0036]      FIG. 2  is an exploded perspective view showing a main body member and a protective tube according to the first embodiment of the present invention; 
           [0037]      FIG. 3  is a sectional view showing an endoscopic instrument guide port according to the first embodiment of the present invention; 
           [0038]      FIG. 4  is a sectional view illustrating an operation of an adjustment ring member according to the first embodiment of the present invention; 
           [0039]      FIGS. 5 to 7  are exploded perspective views illustrating an operation of endoscopic instrument guide port according to the first embodiment of the present invention; 
           [0040]      FIG. 8  is a perspective view showing an endoscopic instrument guide port according to the second embodiment of the present invention; 
           [0041]      FIG. 9  is a sectional view of  FIG. 8 ; 
           [0042]      FIG. 10  is a view illustrating an operation of a tube connection unit according to the second embodiment of the present invention; 
           [0043]      FIG. 11  is a view illustrating an installation state of an endoscopic instrument guide port according to the second embodiment of the present invention; 
           [0044]      FIG. 12  is a view illustrating a separated state of an upper tube of an endoscopic instrument guide port according to the second embodiment of the present invention; and 
           [0045]      FIGS. 13 and 14  are views illustrating a configuration and an operation of an endoscopic instrument guide port according to the related art. 
       
    
    
     DETAILED DESCRIPTION 
       [0046]    Hereinafter, an exemplary embodiment of an endoscopy instrument guide port according to the present invention will be described in detail with reference to the accompanying drawings. 
         [0047]    The embodiment is provided to more fully describe the present invention to those skilled in the art to which the present invention pertains, and it is noted that the shapes and sizes of elements in the drawings may be exaggerated to emphasize a more clear description. 
         [0048]    Further, in the description of the embodiment, a detailed description of known functions and configurations which are apparent to those skilled in the art to which the present invention pertains will be omitted when they may make the technical feature of the present invention unnecessarily unclear. 
         [0049]      FIGS. 1 to 4  are drawings showing an endoscopic instrument guide port  100  according to the first embodiment of the present invention. Referring to the drawings, an endoscopic instrument guide port (hereinafter, referred also to as ‘surgical instrument guide port’)  100  according to the first embodiment of the present invention includes a main body member  110 , a protective tube  120 , and a support ring member  130 . 
         [0050]    First, the main body member  110  has a top end at which at least one surgical instrument entrance part  110   a  is formed. Here, the surgical instrument entrance part  110   a  is provided for the purpose of introducing various surgical instruments such as forceps or an endoscope into the surgical instrument guide port  100  for a laparoscopic operation. A valve unit  110   b  may be provided at an upper end portion of the surgical instrument entrance part  110   a  for the purpose of easily introducing the surgical instrument with preventing gas leakage as possible. 
         [0051]    Since various configurations of the surgical instrument entrance part  110   a  are well known in the art, the detailed description thereof will be omitted. In addition, it is possible to construct the surgical instrument entrance part  110   a  according to an embodiment of the present invention in various configurations, so configurations of the surgical instrument entrance part  110   a  are not limited to those shown in the drawings. 
         [0052]    Further, in addition to the surgical instrument entrance part  110   a,  a gas adjusting valve  110   c  may be provided at an upper portion of the main body member  110  for the purpose of controlling entry and exit of the gas for expanding a belly. 
         [0053]    The protective tube  120  has a hollow shape and extends downward from the main body member  110  by a predetermined length. The protective tube  120  may be formed of a urethane sheet having an excellent resiliency and durability. 
         [0054]    The support ring member  130  which is a ring having an annular shape is fixed to a lower end portion of the protective tube  120 . 
         [0055]    When the surgical instrument guide port  100  is installed, the support ring member  130  is suspended to an abdominal wall in an abdominal cavity after passing through an operation hole of a patient so that the support ring member  130  performs a function of supporting the surgical instrument guide port  100 . Thus, the support ring member  130  is formed of a resilient material which can be freely deformed, that is, can be folded or shrunk to be easily suspended during and after passing through the operation hole, and can be directly restored into an original state if an external force is removed. 
         [0056]    The surgical instrument guide port  100  according to the first embodiment of the present invention having the configuration described above may further include an adjustment ring member  140 . 
         [0057]    The adjustment ring member  140 , which is used for controlling a length of the protective tube  120 , may be fixed at a predetermined position lengthwise along the protective tube  120 . Preferably, the adjustment ring member  140  is substantially provided at a middle portion between the main body member  110  and the support ring member  130 . 
         [0058]    Further, the adjustment ring member  140 , which has a ring shape, may be attached and fixed to an inner side surface or an outer side surface of the protective tube  120 . A sectional surface of the adjustment ring member  140  may substantially have a rectangular shape. 
         [0059]    The adjustment ring member  140  coils the protective tube  120  through a folding operation so that the length of the protective tube  120  can be adjusted. As shown in  FIG. 4 , if the adjustment ring member  140  fixed to the protective tube  120  is folded, the protective tube  120  is coiled around the adjustment ring member  140  while the protective tube  120  is being folded, so that the length of the protective tube  120  is reduced by the extent that the protective tube  120  is folded. Thus, the length of the protective tube  120  may be easily controlled and traction force may be obtained by controlling the number of folding times of the adjustment ring member  140 . 
         [0060]    That is, if the protective tube  120  is continuously coiled around the adjustment ring member  140 , the length of the protective tube  120  is reduced more and more. Thus, the distance between the surgical instrument entrance part  110  of the main body member  110  and the belly may be reduced and in addition, the protective tube  120  is tightly strained, so that great traction force, by which an operation hole is expanded, may be generated. 
         [0061]    Further, the surgical instrument guide port  100  according to the first embodiment of the present invention may be implemented such that the main body member  110  is able to be rotated horizontally. 
         [0062]    To this end, the main body member  110  may include an upper cap  111  and a rail ring member  112  for supporting the upper cap  111  such that the upper cap  111  can horizontally rotate. 
         [0063]    At least one surgical instrument entrance part  110   a  may be formed at the top surface of the upper cap  111  and a shaft end  113  may protrude at the lower end of the upper cap  111 . 
         [0064]    A rail space portion  114  may be formed inside the rail ring member  112  such that the rail space portion  114  may receive the shaft end  113  of the upper cap  111  therein to allow the shaft end  113  to be slidably rotated in a horizontal direction. 
         [0065]    Thus, in the state that the shaft end  113  of the upper cap  111  is received in the rail space portion  114  of the rail ring member  112 , while the shaft end  113  is sliding, the shaft end  113  may be rotated in the horizontal direction, so that the upper cap  111  is rotatably supported by the rail ring member  112 . Thus, the upper cap  111  may be freely rotated in the horizontal direction as necessary. Therefore, it may be understood that a position of the surgical instrument entrance part  110   a  which is formed in the upper cap  111  can be changed. 
         [0066]    Meanwhile, a packing ring member  115  may be received in the mil space portion  114 , such that the packing ring member  115  may be installed on and below the shaft end  113  received in the mil space portion  114 . 
         [0067]    The packing ring member  115  enhances a sealing function between the shaft end  113  and the mil space portion  114 , so that efficiency to prevent the gas leakage can be improved. A silicon material packing ring may be employed as the packing ring member  115 . 
         [0068]    Further, the surgical instrument guide port  100  according to the first embodiment of the present invention may be implemented such that the main body member  110  can be separated from the protective tube  120 . 
         [0069]    To this end, a coupling ring  121  may be provided at an upper end portion of the protective tube  120 , and a coupling member  116 , which is detachably connected to the coupling ring  121 , may be formed at a lower end portion of the rail ring member  112 . 
         [0070]    The detachable coupling scheme between the coupling ring  121  and the coupling member  116  may be variously implemented. As shown in the drawings as one example, a female screw portion  121   a  is formed on an inner surface of the coupling ring  121  and a male screw  116   a  is formed on an outer surface of the coupling member  116 , so that the coupling ring  121  and the coupling member  116  may be detachably coupled to each other in a screw coupling scheme. 
         [0071]      FIGS. 5 to 7  are views illustrating an installation and an operation of the surgical instrument guide port  100  according to the first embodiment of the present invention. The operation of the surgical instrument guide port  100  according to the first embodiment of the present invention will be described with reference to  FIGS. 5 to 7  as follows. 
         [0072]    First, as shown in  FIG. 5 , after an operation hole for a laparoscopic operation is perforated at the navel of a patient, a portion of the surgical instrument guide port  100  is introduced through the operation hole. 
         [0073]    In more detail, after folding or shrinking the support ring member  130  fixed to a lower end portion of the protective tube  120  in a narrow size, the support ring member  130  is introduced into the abdominal cavity through the operation hole. 
         [0074]    Then, after completely passing through the operation hole, the introduced support ring member  130  is restored to the original state (that is, the annular state) due to the resilient force thereof, and accordingly, the support ring member  130  is expanded in the belly with the restoring force and is naturally suspended to the abdominal wall. 
         [0075]    After the surgical instrument guide port  100  is installed at the operation hole through the support ring member  130  and the gas for expanding the belly is introduced (formation of gas belly), various surgical instruments (not shown) such as an endoscopy are introduced into the belly through the surgical instrument entrance part  110   a,  such that an entropic operation is performed. 
         [0076]    According to the surgical instrument guide port  100  of the present invention, before the gas for expanding the belly is introduced or while the entropic operation is being performed, as shown in  FIG. 6 , the length of the protective tube  120  is reduced through the folding operation of the adjustment ring member  140  so that the distance between the surgical instrument entrance part  110   a  and the operation hole may be reduced and the protective tube  120  is more tensioned. Thus, the space where the surgical instrument is moved may be expanded and a vision may be broadened, thereby facilitating the smooth operation. 
         [0077]    While the entropic operation is proceeding by using the surgical instruments, if there is a need to change the positions of the surgical instruments, the positions of the surgical instruments may be changed by rotating the upper cap  111  without taking the surgical instruments out of the surgical instrument guide port  100 . 
         [0078]    In addition, when an organic extraction having a large size is removed while performing an entropic operation, the organic extraction must be taken out of the belly. In this case, as shown in  FIG. 7 , after the coupling member  116  of the rail ring member  112  coupled to the coupling ring  121  of the protective tube  120  is rotated in a screw releasing direction to allow the main body member  100  to be separated upward from the protective tube  120 , the organic extraction may be taken out of the belly through the opened upper end portion of the protective tube  120 . 
         [0079]    As described above, according to the endoscopic instrument guide port  100  of the first embodiment of the present invention, the length adjustment of the protective tube and the traction force may be easily achieved through the adjustment ring member and the main body member may be rotated and separated, so that a suitable treatment may be performed according to an operation situation, so a delay of operation time may be prevented and endoscopic operation may be more smoothly performed. 
         [0080]      FIGS. 8 and 9  are perspective and sectional drawings showing an endoscopic instrument guide  200  according to the second embodiment of the present invention. Referring to the drawings, an endoscopic instrument guide port (hereinafter, referred to as ‘surgical instrument guide port’)  200  according to the second embodiment of the present invention includes an upper tube  210 , a lower tube  220 , a support ring  230  and a tube connection unit  240 . 
         [0081]    First, At least one surgical instrument entrance part  211  is formed at an upper end portion of the upper tube  210 . 
         [0082]    The surgical instrument entrance part  211  is adapted to introduce various surgical instruments for an operation into the surgical instrument guide  200 , and a valve unit  212  may be provided at an upper end of the surgical instrument entrance part  211  for easily introducing the surgical instruments while preventing leakage of gas as possible. Various structures for the surgical instrument entrance part  211  are well known in the art, to which the present invention pertains, and the surgical instrument entrance part  211  may have various known structures, and the surgical instrument entrance part  211  may not be limited to those shown in the drawings. 
         [0083]    A gas adjusting valve  213  may be provided at an upper end portion of the upper tube  210  in addition to the surgical instrument entrance part  211 , and the gas adjusting valve  213  is adapted to control entry and exit of the gas for expanding a belly during an operation. 
         [0084]    The lower tube  220  is implemented separately from the upper tube  210  and has a structure in which an upper end portion and a lower end portion are all opened. The upper tube  210  and the lower tube  220  may be formed of a urethane sheet having an excellent resiliency and durability. 
         [0085]    The support ring  230  which is a ring having an annular shape is provided to a lower end portion of the lower tube  220 . When the surgical instrument guide  200  is installed, the support ring  230  is suspended to an abdominal wall in an abdominal cavity after passing through an operation hole of a patient. Thus, the support ring  230  is formed of a resilient material which can be freely deformed, that is, can be folded or shrunk to be easily suspended during and after passing through the operation hole, and can be directly restored into an original state if an external force is removed. 
         [0086]    The tube connection unit  240  connects the upper and lower tubes  210  and  220 , which are separately formed from each other. The tube connection unit  240  may include an upper ring member  241  and a lower ring member  242 . 
         [0087]    The upper ring member  241  is fixed to a lower end portion of the upper tube  210 , and the lower ring member  242  is fixed to an upper end portion of the lower tube  220  corresponding to the upper ring member  241 . Similar to the support ring  230 , the upper and lower ring members  241  and  242  may be formed of a resilient material. 
         [0088]    Further, sections of the upper and lower ring members  241  and  242  may have a rectangular shape. Specifically, the section of the lower ring member  242  preferably has a rectangular shape such that the lower tube  220  is easily coiled around the lower ring member  242  while the section of the lower ring member  242  is being folded outward. In addition, as shown in the drawings, a longitudinal length of the section of the lower ring member  242  is preferably longer than that of the upper ring member  241 . 
         [0089]    According to the tube connection unit  240 , in the state of fitting the upper ring member  241  around the lower ring member  242  as shown in (a) of  FIG. 10 , the lower ring member  242  is folded outward as shown in (b) of  FIG. 10 , so that the folded upper and lower ring members  241  and  242  are coiled together as shown in (c) of  FIG. 10 . Thus, the separated upper and lower tubes  210  and  220  are connected to each other in a tight and sealed state. The connected upper and lower tubes  210  and  220  may be simply separated from each other by releasing the folded lower ring member  242  in an opposite direction. 
         [0090]    Further, if the coiling number of the lower ring member  242  is adjusted, the entire length of the surgical instrument guide port  200  may be controlled. That is, in the state shown in (c) of  FIG. 10 , if the lower ring member  242  is continuously coiled, the lengths of the upper and lower tubes  210  and  220  are reduced while the lengths of the upper and lower tubes  210  and  220  are being reduced, so that the distance between the surgical instrument entrance part  211  and the belly may be shorten, so the operation hole may be more expanded while the tube is being more tightly strained. 
         [0091]      FIGS. 11 and 12  are views illustrating an installation and an operation of the surgical instrument guide port  200  according to the second embodiment of the present invention. The operation of the surgical instrument guide port  200  according to the second embodiment of the present invention will be described with reference to  FIGS. 11 and 12  as follows. 
         [0092]    First, as shown in  FIG. 11 , after an operation hole for a laparoscopic operation is perforated at the navel of a patient, a portion of the surgical instrument guide port  200  is introduced through the operation hole. In more detail, after the support ring  230  has been shrunk or folded to a narrow size in the state that the upper and lower tubes  210  and  220  are connected to each other through the tube connection unit  240 , the support ring  230  fixed to a lower end portion of the lower tube  220  is introduced into the abdominal cavity through the operation hole. 
         [0093]    Then, after completely passing through the operation hole, the introduced support ring  230  is restored to the original state by the resilient force thereof, and accordingly, the support ring  230  is expanded in the belly by the restoring force thereof and is naturally suspended to the abdominal wall. 
         [0094]    As described above, if the support ring  230  is introduced and suspended to an abdominal wall, the lower ring member  242  further performs the coiling operation, so that the length of the surgical instrument guide port  200  may be properly adjusted. 
         [0095]    In addition, after adjusting the length of the surgical instrument guide port  200 , the gas for expanding the belly is introduced through the gas adjusting valve  213  provided to the upper tube  210 . 
         [0096]    Then, as the belly is expanded by the introduced gas, the upper and lower tubes  210  and  220 , which are sealed and connected to each other, are expanded so that the tubes are tightly strained, so that the surgical instrument guide port  200  are stably installed in the operation hole. 
         [0097]    As described above, if the installation of the surgical instrument guide port  200  is completed, after closing the gas adjusting valve  213 , various surgical instruments (not shown) are introduced into the belly through the surgical instrument entrance part  211 , such that an entropic operation is performed. 
         [0098]    When an organic extraction is removed while a laparoscopic operation is being performed by using surgical instruments, the organic extraction must be taken out of the belly. Thus, the organic extraction may be taken out of the belly through the upper end portion of the lower tube  220  which is opened after the upper tube  210  is separated from the lower tube  220  by releasing the lower ring member  242  in an opposition direction. 
         [0099]    Further, when the size of the organic extraction is too large to be easy to pass through the operation hole, as shown in  FIG. 12 , the incision portion of the operation hole is expanded by coiling only the lower tube  220  by continuously folding the lower ring member  242  in the state that the upper tube  210  is separated, so that the organic extraction may be more easily taken out. 
         [0100]    In addition, according to the surgical instrument guide port  200  of the second embodiment of the present invention, if the upper tube  210  is separated from the surgical instrument guide port  200  and the lower tube  220  is only used as shown in  FIG. 12 , the lower tube  220  may be utilized as a wound protector which is used for protecting an incision portion from bacterial infection by expanding a surgical hole and preventing an incision portion from being exposed. 
         [0101]    As described above, according to the endoscopic surgical instrument guide port  200  of the second embodiment of the present invention, a large size of an organic extraction can be easily taken out of the belly and the length of the guide port can be easily adjusted, so that an operation can be smoothly performed. In addition, besides the surgical instrument guide, the present invention can provide a wound protector by separately utilizing the lower tube. 
         [0102]    Although exemplary embodiments of the present invention have been described until now, the scope of the present invention is not limited to the embodiments and the contents of the drawings, but the equivalent configurations corrected or modified by those skilled in the art to which the present invention pertains fall within the scope of the present invention.

Technology Classification (CPC): 0