Source: http://www.google.es/patents/US20080243148
Timestamp: 2018-01-23 06:25:09
Document Index: 772134152

Matched Legal Cases: ['art 6', 'art 6', 'art 2', 'art 6', 'art 2', 'art 6']

Patente US20080243148 - Suture instrument - Google Patentes
A suture instrument that is inserted into a body and ejects an elongated anchor to be engaged to tissue, consisting of: an elongated member that extends from a proximal end on a hand side to a remote end that is introduced to tissue and has flexibility; a needle that is provided at the remote end of...http://www.google.es/patents/US20080243148?utm_source=gb-gplus-sharePatente US20080243148 - Suture instrument
Número de publicación US20080243148 A1
Número de solicitud US 12/057,604
También publicado como EP1938760A1, EP1938760A4, EP1938760B1, EP1938761A1, EP1938761A4, EP1938761B1, US7722631, US7875041, US8758375, US20070073320, US20070073321, US20070073322, US20090125039, WO2007037326A1, WO2007037335A1
Número de publicación 057604, 12057604, US 2008/0243148 A1, US 2008/243148 A1, US 20080243148 A1, US 20080243148A1, US 2008243148 A1, US 2008243148A1, US-A1-20080243148, US-A1-2008243148, US2008/0243148A1, US2008/243148A1, US20080243148 A1, US20080243148A1, US2008243148 A1, US2008243148A1
Inventores Takayasu Mikkaichi, Takayuki Suzuki, Kunihide Kaji, Junji Shiono, Kensuke Hayashi, Masatoshi Sato, Masayuki Iwasaka
Citas de patentes (34), Citada por (172), Clasificaciones (20), Eventos legales (1)
US 20080243148 A1
In FIG. 1, an endoscope and a suture instrument used in this embodiment are shown. An endoscope 1 (flexible endoscope) has an endoscope operation unit 2 which is operated by an operator. The endoscope operation unit 2 is connected to a control device via a universal cable 3 and equipped with various switches 4 and angle knobs 5. At the distal end of the endoscope operation unit 2, an endoscope insertion part 6 that is flexible and long is extendedly formed. At the distal end of the endoscope insertion part 6, an observation device 7 which obtains an image of the internal body, a lighting unit 8, and a distal end opening of a channel 9 are provided. As the observation device 7, an image taking device having a CCD (Charge Coupled Device) or an optical fiber can be used. The lighting unit 8 has an optical fiber that conducts light from a light source. The channel 9 opens at a lateral part 2 a of the endoscope operation unit 2 through the endoscope insertion part 6. At an opening of the lateral part 2 a, a cap 10 is provided. In the cap 10, an insertion hole is formed, and a treatment tool such as a suture instrument 11 is inserted into the channel 9 through this insertion hole. That is, the endoscope 1 or the channel 9 are used as tools for inserting a treatment tool such as the suture instrument 11 from a natural opening of a living body into a hollow organ.
As shown in FIG. 27, for example a treatment tool such as a snare is passed through the channel 9 of an endoscope insertion part 6, and the membrane 48 is resected. After the membrane 48 is resected, the suture tool 16 is mounted by the suture instrument 11. Also, as shown in FIG. 28, a grasping forceps 80A is passed through a separate channel 9. As shown in FIG. 29, an end of the membrane 48 that is resected is grasped by the grasping forceps 80A. As shown in FIG. 30, after penetrating the needle 14 through the membrane 48 that is raised by the grasping forceps 80A, the first anchor 27A is pushed out. When the needle 14 is drawn out from the membrane, the suture thread 25 penetrates through the membrane, and the anchor 27 is placed on the abdominal cavity 44 side. Similarly, the needle 14 is thrust again at an approximately symmetrical position to sandwich a membrane resected surface 47 c therebetween. The membrane is penetrated with the needle 14, and the second anchor 27B is pushed out. When the needle 14 is removed, the suture tool 16 is mounted so as to cover the membrane resected surface 47 c.
This suture tool 16 is fastened similarly to the second embodiment. By pulling the suture threads 25, the membranes around the membrane resected surface 47 c are drawn in and made to stick together as shown in FIG. 31.
As shown in FIG. 58 and FIG. 59, an opening portion 163 is obliquely formed at the sharp tip of the distal end of a needle 162 of a suture tool 161, and a side hole 164 is formed along the lengthwise direction of the needle 162 from the base end side of the opening portion 163. The side hole 164 passes the suture thread 25, but cannot pass the anchors 165A, 165B. A projection 166 for projection restriction (push-out control portions) is formed in an approximate ring shape so as to reduce the inner diameter. The projection 166 forms a chamfered smooth curve. The two elongated anchors 165A, 165 b are housed in series to the base end side of the projection 166. The outer diameter of the first anchor 165A is less than or equal to the inner circumference of the projection 166. The outer diameter of the second anchor 165B is greater than the first anchor 165A, and greater than the inner circumference of the projection 166.
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Clasificación cooperativa A61B2017/0225, A61B17/0057, A61B17/0469, A61B2017/0458, A61B17/0487, A61B2017/0454, A61B2017/00575, A61B2017/0409, A61B2017/047, A61B2017/06095, A61B2017/0034, A61B2017/0417, A61B2017/00557, A61B17/0218, A61B2017/00278, A61B2017/0464
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MIKKAICHI, TAKAYASU;SUZUKI, TAKAYUKI;KAJI, KUNIHIDE;AND OTHERS;REEL/FRAME:021100/0632;SIGNING DATES FROM 20080408 TO 20080415