Surgical tool and method of use

• US 4,911,164 A
• Filed: 04/26/1988
• Issued: 03/27/1990
• Est. Priority Date: 04/26/1988
• Status: Expired due to Term

• Current Assignee: Robert A. Roth
• Original Assignee: Robert A. Roth
• Inventors: Roth, Robert A.
• Primary Examiner(s): Thaler, Michael H.
• Assistant Examiner(s): Lewis, William
• Application Number:
  US07/186,174
• Time in Patent Office: 700 Days
• Field of Search: 128/343, 128/345, 128/334 R, 128/311, 128/339, 128/340, 128/303 R, 128/898, 604/105-107, 604/272, 112/12-14, 112/63
• US Class Current: 606/148
• CPC Class Codes: A61B 17/0482 Needle or suture guides guides for drills, pins or wire A61B17/17; for puncturing needles A61B17/3403
• CPC Class Codes: A61B 17/3403 Needle locating or guiding means guides for suture needles A61B17/0482; guiding or tracking by nuclear magnetic resonance G01R33/285

Abstract

A surgical suture guide, has an elongated body with a substantially straight portion and an end portion with a rounded tip at one end of the elongated body. A curved portion is situated between the substantially straight portion and the end portion. A guide arrangement having at least one groove extends from the tip into the end portion.

Claims

1. A method of placing urethral sutures through a cut portion of an urethral meatus wherein said urethral meatus is surrounded by an adjacent tissue by means of a suture guide;

said suture guide comprising

an elongated body having a substantially straight portion, an end portion with a rounded tip at one end of the elongated body, a curved portion situated between said substantially straight portion and said end portion, guide means having at least one groove extending from said tip into said curved portion;

said method comprising of the following steps;

(a) inserting said suture guide into and through the urethral meatus in such a way that at least said rounded tip and a part of said groove protrude from said cut urethral meatus pushing said cut urethral meatus out of the adjacent tissue;

(b) inserting a suturing device into said protruding groove; and

(c) supporting and guiding said suturing device along the groove while placing a suture in the urethral meatus.

2. A method according to claim 1 further comprising the following steps:

(d) manipulating said substantially straight portion to expose another site of the cut urethral meatus for placing the sutures; and

(e) repeating the steps of "b", "c" and "d".

3. A method according to claim 2 wherein the step "d" further includes rotating of said substantially straight portion and moving said groove around an internal surface of the cut urethral meatus and exposing an additional site for suture placement.

4. A method according to claim 1 wherein a handle is provided at an end of the substantially straight portion.

5. A method according to claim 1 wherein in the "b" step the suturing device is inserted between an inside surface of the urethral stump and said groove.

6. A method according to claim 1 wherein said groove has a substantially triangular cross-section.

7. A method according to claim 1 wherein said groove has an arc shaped cross-section.

8. A method according to claim 1 wherein said groove has a substantially trapezoidal-shaped cross-section.

9. A method according to claim 1 wherein a projection of said groove on an outside surface of the elongated body defines an elongated ellipse.

10. A method according to claim 1 wherein a projection of said groove on an outside surface of the elongated body defines a cone.

11. A method of placing surgical sutures through a cut portion of a body of an animal, including a human, having a tubular configuration, wherein said tubular portion is surrounded by adjacent tissue, by means of a suturing guide,

said suturing guide comprising

an elongated body having a substantially straight portion, an end portion with a rounded tip at one end of the elongated body, a curved portion situated between said substantially straight portion and said end portion, guide means having at least one groove extending from said tip into said curved portion;

said method comprising of the following steps;

(a) inserting said suture guide into and through the cut tubular part in such a way that at least said rounded tip and a part of said groove protrudes from said cut portion of the body pushing said cut portion of the body out of the adjacent tissue;

(b) inserting a suturing device into said protruding groove; and

(c) supporting and guiding said suturing device along the groove while placing a suture in the part of the body having tubular configuration.

12. A method according to claim 11 further comprising the following steps:

(d) manipulating said substantially straight portion to expose another site of the tubular part for placing the sutures; and

(e) repeating the steps of "b", "c" and "d".

13. A method according to claim 12 wherein the step "d" further includes rotating of said substantially straight portion and moving said groove around an internal surface of the tubular part and exposing an additional site for suture placement.

14. A surgical tool comprising an elongated body made of a substantially hollow tubular structure, said elongated body having a substantially straight portion, an end portion and a rounded tip at one end of the elongated body, a curved portion situated between said substantially straight portion and said end portion, at least two openings going through a wall of said substantially hollow tubular structure, said openings extending from said rounded tip to at least said end portion, guide means having at least two grooves positioned circumferentially within at least said end portion for guiding a suturing device, and

expanding means having at least two expanding members positioned within the hollow tubular structure, each said expanding member having an engaging portion to be guided by said openings, activating means partially situated within said hollow tubular structure for activating said expanding members in such a manner that at least an engaging portion of each said expanding member passes through said opening and protrudes beyond an outside surface of the elongated body.

15. A surgical tool according to claim 14 wherein said groove is positioned within said engaging portion.

16. A surgical tool according to claim 14 wherein said grooves positioned with the substantially hollow tubular structure between said openings, said grooves extending to said rounded tip in such a manner that a substantial part of the rounded tip separates the grooves from a free end of the rounded tip.

17. A surgical tool according to claim 16 wherein each said expanding member has a base portion with upper and lower surfaces and the engaging portion is connected to the upper surface of the base portion.

18. A method of placing surgical sutures through a cut portion of a body of an animal, including a human having a tubular configuration, wherein said tubular portion is surrounded by adjacent tissue, by means of a suturing guide, said suturing guide comprising;

an elongated body made of a substantially hollow tubular structure, at least two openings going through a wall of said substantially hollow tubular structure, guide means having at least one groove for guiding a suturing device, and

expanding means having at least two expanding members positioned within the hollow tubular structure, each said expanding member having an engaging portion to be guided by said openings, activating means partially situated within said hollow tubular structure for activating said expanding members in such a manner that at least the engaging portion of each said expanding member passes through said opening and protrudes beyond an outside surface of the elongated body;

said method comprising the following steps;

(a) inserting said suturing guide into and through the cut tubular portion in such a way that at least a part of said groove protrudes from said cut portion of the body, pushing said cut portion of the body out of the adjacent tissue;

(b) activating said expanding members by said activating means in such a manner that at least the engaging portion of each said expanding member passes through said opening and protrudes beyond an outside surface of the elongated body pressing against and closely contacting with an inside surface of the cut portion of the body reducing slippage between the suturing guide and the cut portion of the body and further pushing the cut portion of the body out of the adjacent tissue;

(c) inserting said suturing device into said groove; and

(d) supporting and guiding said suturing device along the groove while placing a suture in the cut portion of the body.

19. A method according to claim 18 further comprising the following steps:

(e) manipulating said elongated body of the suturing guide to expose another site of the tubular part of placing the sutures; and

(f) repeating the steps of "b", "c", and "d".

20. A method according to claim 19 wherein the step "e" further includes rotating of said elongated body of the suturing guide and moving said groove around an internal surface of the tubular part and exposing an additional site for suture placement.

21. A method according to claim 18 wherein said elongated body has an end portion and a rounded tip at one end of the elongated body, and a curved portion situated between said substantially straight portion and said end portion.

22. A method according to claim 18 wherein said groove of said guide means is positioned within the wall of the substantially hollow tubular structure between said openings, said groove extends from said rounded tip into at least said end portion.

23. A method according to claim 22 wherein said expanding members are spaced apart, outwardly bowed spring arms joined at and attached to an inside surface of said rounded tip, said spring arms are also joined at a place of juncture between said activating means and said expanding members,

said spring arms are adapted to move from a first-contracting position to a second-expanding position, during said first position said spring arms are situated within the hollow tubular structure, and during said second position said activating means presses said spring arms causing them to expand and to protrude through said openings beyond the outside surface of the elongated body.

24. A method according to claim 18 wherein said groove is positioned within said engaging portion.

25. A method according to claim 24 wherein each said expanding member has a base portion with upper and lower surfaces and the engaging portion is connected to the upper surface of the base portion.

26. A method according to claim 25 wherein said activating means comprising a frusto-conical member, the lower surface of the base portion is adapted to closely receive an outside surface of the frusto-conical member,

whereby, when said frusto-conical member is inserted between said engaging members, an outside surface of the frusto-conical member engages the lower surfaces of the base portion of each said expanding member pressing said engaging portions to protrude beyond the outside surface of the elongated body.

27. A surgical tool comprising an elongated body made of a substantially hollow tubular structure, said elongated body having a substantially straight portion, an end portion and a rounded tip at one end of the elongated body, a curved portion situated between said substantially straight portion and said end portion, at least two openings going through a wall of said substantially hollow tubular structure,

expanding means having at least two expanding members positioned within the hollow tubular structure, each said expanding member having an engaging portion to be guided by said openings, activating means partially situated within said hollow tubular structure for activating said expanding members, said expanding member has a base portion with upper and lower surfaces and the engaging portion is connected to the upper surface of the base portion, said activating means having a frusto-conical member, the lower surface of the base portion is adapted to closely receive and outside surface of the frusto-conical member, whereby, when said frusto-conical member is inserted between said engaging members, an outside surface of the frusto-conical member engages the lower surfaces of the base portion of each said expanding members, pressing said engaging portions to protrude beyond an outside surface of the elongated body.

28. A surgical tool according to claim 27 wherein said openings extending from said rounded tip to at least said end portion, guide means having at least one groove for guiding a suturing device, and at least an engaging portion of each said expanding member passes through said opening and protrudes beyond an outside surface of the elongated body.