Abstract:
An ultrasonic dental implant tool set includes an ultrasonic machine, a hand piece connected to the ultrasonic machine and tool members selectively mounted on the hand piece for providing vibrations and a compressed fluid. Each tool member has a connection base, a pole and a cutter tip. The spray nozzle has a connection base, a pole extends from the connection base and having a longitudinal fluid passage for the passing of a fluid and a fluid injection hole for injecting a fluid into a vertical hole made on the alveolar ridge of the patient to be treated, and an operating tip located on one end of the pole remote from the connection base and for insertion into the vertical hole made on the alveolar bone of the patient to transfer ultrasonic vibrations to the fluid applied to the inside of the vertical hole on the alveolar bone of the patient.

Description:
BACKGROUND OF THE INVENTION 
       [0001]    1. Field of the Invention 
         [0002]    The present invention relates to medical instruments for use in dental implant surgery and more particularly, to an ultrasonic dental implant tool set, which facilitates the performance of dental implant surgery. 
         [0003]    2. Description of the Related Art 
         [0004]    During a dental implant surgery, an implant root is implanted in the alveolar bone, and then an abutment is affixed to the implant root, and then a crown is affixed to the abutment. Prior to implant of the implant root in the alveolar bone, an osteotomy must be performed on the alveolar bone. At this time, drill bit means used to make a round hole on the alveolar bone relatively smaller than the diameter of the implant root so that the implant root can be tightly mounted in the alveolar bone. 
         [0005]    However, the alveolar bone has a relatively thinner area at the molar area adjacent to the sinus where a dental implant surgery is difficult to be performed. In this area, the bone density is low. Dental implant at this area is risky and difficult. Many technical reports regarding dental implant in this area have been extensively discussed. Due to fast development of graft materials (bone powders), the prevent inventor disclosed a hydraulic sinus condensing technique to enhance dental implant stability in this thinner alveolar bone. 
         [0006]    Conventionally, a dental implant surgery is achieved subject to the use of a dental implant tool set. Basically, a dental implant tool set includes an electric or electromagnetic vibration generator and a hand piece connected to the electric or electromagnetic vibration generator for transferring vibrations. The hand piece can be selectively attached with one of a series of tips to achieve the desired dental implant surgery. 
         [0007]    US Patent Application Publication No. 2009/0004624 A1, entitled “Piezo Insert and Piezo Packer for Operating an Implant Surgical Operation Using Piezoelectric Device”, teaches the use of a piezoelectric device. As shown in  FIG. 1 , the piezoelectric device comprises a piezoelectric main device  10 , a hand piece  20 , a piezo insert  30  and a piezo packer  40 . 
         [0008]    Subject to the statement in [0029] of the specification, the piezo insert  30  and the piezo packer  40  are mounted in the hand piece  20  of the piezoelectric main device  10  so that electric vibration generated by the piezoelectric main device  10  is transmitted to the piezo insert  30  and the piezo packer  40 , thereby converting into mechanical vibration for the performance of the dental implant surgery. 
         [0009]    According to the aforesaid prior art design, the vibration force is attenuated during transfer through the operating tools (the piezo insert  30  and the piezo packer  40 ), affecting the performance of the dental implant surgery. When using ultrasonic waves to transmit a vibration force, the operating tools may produce heat, affecting the performance of the dental implant surgery. Due to this problem, no any ultrasonic dental implant tool set design is commercially available. 
       SUMMARY OF THE INVENTION 
       [0010]    The present invention has been accomplished under the circumstances in view. It is therefore the main object of the present invention to provide an ultrasonic dental implant tool set, which facilitates the performance of a dental implant surgery. 
         [0011]    To achieve this and other objects of the present invention, an ultrasonic dental implant tool set comprises an ultrasonic machine, a hand piece connected to the ultrasonic machine by a cord, and tool members selectively mounted on the hand piece for providing vibrations and a compressed fluid. Each tool member comprises a connection base that has one end thereof connectable to the hand piece, a pole that extends from an opposite end of the connection base and has a longitudinal fluid passage extending through two distal ends thereof for the passing of the compressed fluid provided by the ultrasonic machine and a fluid injection hole for ejecting the compressed fluid provided by the ultrasonic machine into a vertical hole made on the alveolar bone of a patient, and an operation tip located on one end of the pole remote from the connection base and for insertion into the hole made on the alveolar bone of the patient to transfer ultrasonic vibrations to the hole to break soft tissues of the patient. 
         [0012]    Further, a cooling fluid passage may be made on the junction between the connection base and pole of each tool member for the passing of a cooling fluid to cool down the temperature. 
         [0013]    Because the invention provides ultrasonic waves to the operating tip of the attached tool member through the hand piece to vibrate the applied fluid during the performance of a dental implant surgery, the problem of attenuation of vibration during transfer as seen in the prior art design is eliminated in the present invention. Therefore, the invention is much better than the conventional piezoelectric device or any other electromagnetic vibrators, facilitating the performance of a dental implant surgery. Further, any heat produced during transfer of ultrasonic waves through the tool member is soon cooled down by a cooling fluid passing through the cooling fluid passage. 
         [0014]    The features of the present invention will be understood in details by way of embodiments of the present invention in conjunction with the appended drawings. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0015]      FIG. 1  is a schematic drawing showing the outer appearance of an ultrasonic dental implant tool set in accordance with the present invention. 
           [0016]      FIG. 2  is a schematic drawing showing the tool member of the ultrasonic dental implant tool set inserted into the alveolar bone of a patient and operated. 
           [0017]      FIG. 3  is an elevational view of an alternate form of the tool member for ultrasonic dental implant tool set in accordance with the present invention. 
           [0018]      FIG. 4  is a sectional view of the tool member shown in  FIG. 3 . 
           [0019]      FIG. 5  is an elevational view of another alternate form of the tool member for ultrasonic dental implant tool set in accordance with the present invention. 
           [0020]      FIG. 6  is a longitudinal sectional view of the tool member shown in  FIG. 5 . 
           [0021]      FIG. 7  is a sectional plain view of the operating tip of the tool member shown in  FIG. 5 . 
           [0022]      FIG. 8  is an elevational view of still another alternate form of the tool member for ultrasonic dental implant tool set in accordance with the present invention. 
           [0023]      FIG. 9  is a longitudinal sectional view of the tool member shown in  FIG. 8 . 
           [0024]      FIG. 10  is a sectional plain view of the operating tip of the tool member shown in  FIG. 8 . 
           [0025]      FIG. 11  is an elevational view of still another alternate form of the tool member for ultrasonic dental implant tool set in accordance with the present invention. 
           [0026]      FIG. 12  is a longitudinal sectional view of the tool member shown in  FIG. 11 . 
           [0027]      FIG. 13  is a sectional plain view of the operating tip of the tool member shown in  FIG. 11 . 
           [0028]      FIG. 14  is a perspective view of still another alternate form of the tool member for ultrasonic dental implant tool set in accordance with the present invention. 
           [0029]      FIG. 15  is a longitudinal sectional view of the tool member shown in  FIG. 14 . 
           [0030]      FIG. 16  is a sectional plain view of the operating tip of the tool member shown in  FIG. 14 . 
           [0031]      FIG. 17  is an elevational view of still another alternate form of the tool member for ultrasonic dental implant tool set in accordance with the present invention. 
           [0032]      FIG. 18  is a longitudinal sectional view of the tool member shown in  FIG. 17 . 
           [0033]      FIG. 19  is an elevational view of still another alternate form of the tool member for ultrasonic dental implant tool set in accordance with the present invention. 
           [0034]      FIG. 20  is a longitudinal sectional view of the tool member shown in  FIG. 19 . 
           [0035]      FIG. 21  is an elevational view of still another alternate form of the tool member for ultrasonic dental implant tool set in accordance with the present invention. 
           [0036]      FIG. 22  is a longitudinal sectional view of the tool member shown in  FIG. 21 . 
       
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
       [0037]    Referring to  FIG. 1 , an ultrasonic dental implant tool set in accordance with the present invention is shown comprising an ultrasonic machine  10 , an ultrasonic hand piece  20  and a tool member  30 . 
         [0038]    The ultrasonic machine  10  is adapted for generating ultrasonic vibrations and providing a flow of compressed fluid. The hand piece  20  is connected to the ultrasonic machine  10  by a cord  21  for transferring the ultrasonic vibrations and the flow of compressed fluid. 
         [0039]    The tool member  30  may be designed subject to different functions. Basically, the tool member  30  has a connection base  301  that has its one end configured for connection to the hand piece  20 , a L-shaped pole  302  extended from the other end of the connection base  301  and defining therein a longitudinal fluid passage for the passing of the flow of compressed fluid and a fluid injection hole  304  for guiding the flow of compressed fluid into a vertical hole on the alveolar bone of the patient, and an operating tip  303  located on the other end of the L-shaped pole  302  remote from the connection base  301  for enabling the ultrasonic vibrations to be converted into mechanical vibrations. The tool member  30  further has a cooling fluid passage  302   b  located on the junction between the connection base  301  and the pole  302  for the passing of a cooling fluid. 
         [0040]    Referring to  FIG. 2 , when the operating tip  303  is inserted into a vertical hole  91  on the alveolar bone  90  of a patient, a jet of the compressed fluid is guided out of the fluid injection hole  304  into the inside of the vertical hole  91  and vibrated by ultrasonic waves to break soft tissues, facilitating the performance of the dental implant surgery. 
         [0041]    Because the invention provides ultrasonic waves to the operating tip  303  of the tool member  30  to vibrate the applied fluid, the problem of attenuation of vibration during transfer as seen in the prior art design is eliminated in the present invention. Therefore, the invention is much better than the conventional piezoelectric device or any other electromagnetic vibrators, facilitating the performance of a dental implant surgery. Further, any heat produced during transfer of ultrasonic waves through the tool member  30  is soon cooled down by a cooling fluid passing through the cooling fluid passage  302   b.    
         [0042]    Referring to  FIGS. 3 and 4 , the tool member, referenced by  31 , is designed for separating the sinus membrane. As illustrated, the tool member  31  has a connection base  311  that has its one end configured for connection to the hand piece  20 , a L-shaped pole  312  extended from the other end of the connection base  311  and defining therein a longitudinal fluid passage  312   a  for the passing of a compressed fluid and a fluid injection hole  314  for guiding a compressed fluid into a vertical hole  91  on the alveolar bone of a patient, an operating tip  313  located on the other end of the L-shaped pole  312  remote from the connection base  311  for separating the sinus membrane and for enabling ultrasonic vibrations to be converted into mechanical vibrations, a cooling fluid passage  312   b  located on the junction between the connection base  311  and the pole  312  for the passing of a cooling fluid, and a plurality of jet holes  316  located on the center of the end face  315  of the operating tip  313  and equiangularly spaced around the periphery of the operating tip  313  in communication with the longitudinal fluid passage  312   a  for guiding out a compressed fluid radially in jets. 
         [0043]    Referring to  FIGS. 5˜7 , the tool member, referenced by  32 , is a cutter tip designed for separating the sinus membrane. As illustrated, the tool member  32  has a connection base  321  that has its one end configured for connection to the hand piece  20  (see also  FIG. 1 ), a L-shaped pole  322  extended from the other end of the connection base  321  and defining therein a longitudinal fluid passage  322   a  for the passing of a compressed fluid and a fluid injection hole  324  for guiding a compressed fluid into a vertical hole  91  on the alveolar bone of a patient (see also  FIG. 2 ), an operating tip  323  located on the other end of the L-shaped pole  322  remote from the connection base  321  for separating the sinus membrane and for enabling ultrasonic vibrations to be converted into mechanical vibrations, and a cooling fluid passage  322   b  located on the junction between the connection base  321  and the pole  322  for the passing of a cooling fluid. Further, the operating tip  323  is a cylindrical member having a plurality of protruding cutting edges  326  raised from the end face  325  and the periphery thereof for cutting the alveolar bone and producing vibrations to fill a bone powder in a vertical hole made on the patient&#39;s alveolar bone during the dental implant surgery, three jet holes  327  equiangularly spaced on the end face  325 , and three oblique manifolds  328  respectively connected between the fluid passage  322   a  and the jet holes  327  for enabling a compressed fluid to be driven out of the end face  325  radially in jets. 
         [0044]    Referring to  FIGS. 8˜10 , the tool member, referenced by  33 , is a cutter tip designed for separating the sinus membrane. As illustrated, the tool member  33  has a connection base  331  that has its one end configured for connection to the hand piece  20  (see also  FIG. 1 ), a L-shaped pole  332  extended from the other end of the connection base  331  and defining therein a longitudinal fluid passage  332   a  for the passing of a compressed fluid and a fluid injection hole  334  for guiding a compressed fluid into a vertical hole  91  on the alveolar bone of a patient (see also  FIG. 2 ), an operating tip  333  located on the other end of the L-shaped pole  332  remote from the connection base  331  for separating the sinus membrane and for enabling ultrasonic vibrations to be converted into mechanical vibrations, and a cooling fluid passage  332   b  located on the junction between the connection base  331  and the pole  332  for the passing of a cooling fluid. Further, the operating tip  333  is a cylindrical member having a plurality of protruding cutting edges  326  raised from the periphery thereof for cutting the alveolar bone and producing vibrations to fill a bone powder in a vertical hole made on the patient&#39;s alveolar bone during the dental implant surgery, three jet holes  337  equiangularly spaced on the planar end face  335 , and three oblique manifolds  338  respectively connected between the fluid passage  332   a  and the jet holes  337  for enabling a compressed fluid to be driven out of the end face  335  radially in jets. 
         [0045]    Referring to  FIGS. 11˜13 , the tool member, referenced by  34 , is designed for compacting the applied bone powder. As illustrated, the tool member  34  has a connection base  341  that has its one end configured for connection to the hand piece  20  (see also  FIG. 1 ), a L-shaped pole  342  extended from the other end of the connection base  341  and defining therein a longitudinal fluid passage  342   a  for the passing of a compressed fluid and a fluid injection hole  344  for guiding a compressed fluid into a vertical hole  91  on the alveolar bone of a patient (see also  FIG. 2 ), an operating tip  343  located on the other end of the L-shaped pole  342  remote from the connection base  341  for compacting the applied bone powder, and a cooling fluid passage  342   b  located on the junction between the connection base  341  and the pole  342  for the passing of a cooling fluid. Further, the operating tip  343  has a plurality of protruding cutting edges  346  raised from the end face  345  and a jet hole  347  located on the center of the end face  345  in communication with the fluid passage  342   a . The end face  345  has a diameter t 1  about 1.8 mm. 
         [0046]    Referring to  FIGS. 14˜16 , the tool member, referenced by  35 , is designed for compacting the applied bone powder. As illustrated, the tool member  35  has a connection base  351  that has its one end configured for connection to the hand piece  20  (see also  FIG. 1 ), a L-shaped pole  352  extended from the other end of the connection base  351  and defining therein a longitudinal fluid passage  352   a  for the passing of a compressed fluid and a fluid injection hole  354  for guiding a compressed fluid into a vertical hole  91  on the alveolar bone of a patient (see also  FIG. 2 ), an operating tip  353  located on the other end of the L-shaped pole  352  remote from the connection base  351  for compacting the applied bone powder, and a cooling fluid passage  352   b  located on the junction between the connection base  351  and the pole  352  for the passing of a cooling fluid. Further, the operating tip  353  has a plurality of protruding cutting edges  356  raised from the end face  355  and a jet hole  357  located on the center of the end face  355  in communication with the fluid passage  352   a . The end face  355  has a diameter t 2  about 2.8 mm. 
         [0047]    Referring to  FIGS. 17 and 18 , the tool member, referenced by  36 , has a connection base  361  that has its one end configured for connection to the hand piece  20  (see also  FIG. 1 ), a L-shaped pole  362  extended from the other end of the connection base  361  and defining therein a longitudinal fluid passage  362   a  for the passing of a compressed fluid and a fluid injection hole  364  for guiding a compressed fluid into a vertical hole  91  on the alveolar bone of a patient (see also  FIG. 2 ), an operating tip  363  located on the other end of the L-shaped pole  362  remote from the connection base  361 , and a cooling fluid passage  362   b  located on the junction between the connection base  361  and the pole  362  for the passing of a cooling fluid. Further, the operating tip  363  is shaped like a narrow elongated cutting bar for cutting the periodontal ligament, having a jet hole  367  located on the free end thereof in communication with the fluid passage  362   a.    
         [0048]    Referring to  FIGS. 19 and 20 , the tool member, referenced by  37 , has a connection base  371  that has its one end configured for connection to the hand piece  20  (see also  FIG. 1 ), a L-shaped pole  372  extended from the other end of the connection base  371  and defining therein a longitudinal fluid passage  372   a  for the passing of a compressed fluid and a fluid injection hole  374  for guiding a compressed fluid into a vertical hole  91  on the alveolar bone of a patient (see also  FIG. 2 ), an operating tip  373  located on the other end of the L-shaped pole  372  remote from the connection base  371 , and a cooling fluid passage  372   b  located on the junction between the connection base  371  and the pole  372  for the passing of a cooling fluid. Further, the operating tip  373  is a hooked tip having an inwardly curved end face  375  for insertion into the vertical hole  91  on the alveolar bone of the patient to remove waste tissues, and a jet hole  377  located on the inwardly curved end face  375  in communication with the fluid passage  372   a.    
         [0049]    Referring to  FIGS. 21 and 22 , the tool member, referenced by  38 , has a connection base  381  that has its one end configured for connection to the hand piece  20  (see also  FIG. 1 ), a L-shaped pole  382  extended from the other end of the connection base  381  and defining therein a longitudinal fluid passage  382   a  for the passing of a compressed fluid and a fluid injection hole  384  for guiding a compressed fluid into a vertical hole  91  on the alveolar bone of a patient (see also  FIG. 2 ), an operating tip  383  located on the other end of the L-shaped pole  382  remote from the connection base  381 , and a cooling fluid passage  382   b  located on the junction between the connection base  381  and the pole  382  for the passing of a cooling fluid. Further, the operating tip  383  is hooked tip having an inwardly curved end face  385  for insertion into the vertical hole  91  on the alveolar bone of the patient to remove waste tissues, and a jet hole  387  located on the inwardly curved end face  385  in communication with the fluid passage  382   a . The tool member  38  of this alternate form is substantially similar to that shown in  FIGS. 19 and 20  with the exception that the inwardly curved end face  375  is biased leftwards 
         [0050]    Although particular embodiment of the invention have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the invention. Accordingly, the invention is not to be limited except as by the appended claims.