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US5507757: Method of closing puncture wounds

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Filing Information

Inventor(s) Jude S. Sauer · Roger J. Greenwald ·
Assignee(s) LaserSurge, Inc. ·
Primary Examiner Stephen C. Pellegrino ·
Assistant Examiner Jeffrey A. Schmidt ·
Application Number US8324944
Filing date 10/18/1994
Issue date 04/16/1996
Predicted expiration date 04/30/2012
U.S. Classifications 606/144  · 606/139  ·
International Classifications A61B 1700  ·
Kind CodeA
International Classifications 6061;139;144;145;146;147;148 ·
Related U.S. Application DataThis is a divisional U.S. application Ser. No. 07/876,511 filed Apr. 30, 1992U.S. Pat. No. 5,368,601.
23 Claims, No Drawings


Abstract

A trocar wound closure device includes an elongated body having a distal end for insertion through a trocar puncture wound, a proximal end, and a first and second retractable needle holders disposed at the distal end of the body. The needle holders are movable between a retracted position and an extended position. An actuator disposed at the proximal end of the body moves the needle holders from the retracted position to the extended position, so that the needle holders can be retracted to allow the device to be inserted through a trocar wound preferably through a cannula inserted into the wound, and extended to position the needles adjacent the wound, to allow the wound to be sutured.

Independent Claims | See all claims (23)

  1. 1. A method for closing a trocar puncture wound extending through adjacent layers of skin, fat, muscle, and fascia into a peritoneal cavity comprising the steps of:providing at least one suture having first and second ends;arming each end of the suture with a needle;disposing each needle substantially entirely within the peritoneal cavity using a suturing device which includes an elongated housing having a proximal end and a distal end, a pair of needle carriers deployably positioned adjacent the housing distal end for movement between a retracted position substantially within the elongated housing and an extended position;piercing the fascia with the needles from within the peritoneal cavity;drawing the needles through the fascia and muscle layers and knotting the suture to close the wound.
  2. 5. A method for suturing a puncture wound, comprising the steps of:(a) inserting a suturing device in a puncture wound, the suturing device including an elongated housing having a proximal end and a distal end, at least one needle carrier deployably positioned adjacent the housing distal end for movement between a retracted position substantially within the elongated housing and an extended position, a needle having a suture material extending therefrom and being mounted on the at least one needle carrier, the needle having a sharpened tip disposed at a first end;(b) extending the at least one needle carrier to the extended position with the needle sharpened tip being oriented toward the elongated housing proximal end; and(c) moving the needle carrier toward the entrance of the puncture wound such that the needle pierces tissue situated adjacent the wound and pulls the suture material through the tissue through a path formed by the needle.
  3. 13. A method for closing trocar wounds, comprising the steps of:(a) inserting a suturing device in a trocar wound, the suturing device including an elongated body, first and second retractable needle carriers operatively associated with said elongated body, and first and second needles for carrying a length of suture material, the first and second needles being removably mountable in the first and second needle carriers, respectively;(b) extending the first needle carrier from a retracted position substantially within the elongated body, to an extended position radially spaced from and substantially parallel to a longitudinal axis of the elongated body;(c) extending the second needle carrier from a retracted position substantially within the elongated body, to an extended position radially spaced from and substantially parallel to such longitudinal axis of the elongated body; and(d) withdrawing the device from the trocar wound such that the first and second needles pierce the tissue surrounding the trocar wound and pull the length of suture material through paths formed through the tissue by the first and second needles.

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European Search Report for EP 93 10 7072.
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Patent Family

Document NumberAssigneeInventorsIssue/Pub Date
CA2095178 LASERSURGE INC SAUER JUDE S et al. Oct 1993
US5368601 LaserSurge, Inc. Jude S. Sauer et al. Nov 1994
US5507757 LaserSurge, Inc. Jude S. Sauer et al. Apr 1996
US5626588 LaserSurge, Inc. Jude S. Sauer et al. May 1997
DE69314530 LASERSURGE INC SAUER JUDE S et al. Nov 1997