Stapler device particularly useful in medical suturing

• US 5,520,700 A
• Filed: 11/10/1993
• Issued: 05/28/1996
• Est. Priority Date: 11/13/1992
• Status: Expired due to Fees

• Current Assignee: Ams Research Corporation (Endo International PLC)
• Original Assignee: TECHNION RESEARCH AND DEVELOPMENT FOUNDATION, LTD.
• Inventors: Beyar, Mordechai, Foux, Amnon
• Primary Examiner(s): Pellegrino, Stephen C.
• Assistant Examiner(s): SCHMIDT, JEFFREY
• Application Number:
  US08/150,517
• Time in Patent Office: 930 Days
• Field of Search: 606/213, 606/219, 606/220, 606/232, 606/215, 606/151, 606/148, 606/144, 606/139, 606/75, 606/99, 606/100, 227/902, 227/175, 227/176, 227/178, 227/179, 227/180, 227/181, 227/19, 604/60, 604/61
• US Class Current: 606/139
• CPC Class Codes: A61B 17/0401 Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors A61B17/0642 takes precedence; fixation devices for tendons or ligaments A61F2/0811
• 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 2017/00535 pneumatically or hydraulically operated A61B2017/22051, A61B2090/401 take precedence
• CPC Class Codes: A61B 2017/00805 Treatment of female stress urinary incontinence
• CPC Class Codes: A61B 2017/0409 Instruments for applying suture anchors for applying suture clamps, clips or locks A61B2017/0488
• CPC Class Codes: A61B 2017/0414 having a suture-receiving opening, e.g. lateral opening lateral eyelet for attaching suture to needle A61B2017/06019
• CPC Class Codes: A61B 2017/0454 the anchor being crimped or clamped on the suture

Abstract

A stapler device includes a manually grippable handle containing a drive and a trigger to activate the drive mechanism, a barrel fixed to the handle, a guide for holding a staple to be ejected and formed to accommodate a suture thread fixed to the staple, and an ejector driven by the drive through the barrel for ejecting a staple out through the guide into a bone to enable the suture, so anchored to the bone, to be used for various medical operations.

Claims

1. A device for implanting a self-tapping staple having attached suture thread into the bone of a patient comprising:

a handle;

a barrel having a proximal end and a distal end, said proximal end being secured to said handle;

a staple guide for holding a staple, said staple guide being secured to said distal end of said barrel, the outer end of said staple guide being formed with a bore and a recess, said bore receiving a staple and said recess in communication with said bore physically accommodating the suture thread;

a power drive means for generating staple-ejecting and driving force into a bone, said force being sufficient to completely implant the staple into the bone and under the surface of the bone of a patient without predrilling a hole in the bone;

an ejector pin in communication with said power drive means and transmitting said force from said power drive means to the staple held in said staple guide; and

,

a trigger connected to said power drive means.

2. A device as claimed in claim 1, wherein said ejector pin is initially spaced from the staple immediately prior to activation of said trigger and constantly contacts the staple during ejecting and implanting the staple into the bone after activation of said trigger.

3. A device as claimed in claim 1, wherein said ejector pin has a from end for contact with the staple and said ejector pin contacts the staple without said front end coming into contact with the suture thread.

4. A device as claimed in claim 1, wherein said power drive means is pneumatic.

5. A device as claimed in claim 1, wherein said barrel is flexible.

6. A device as claimed in claim 1, wherein said recess comprises an axially extending slot.

7. A device as claimed in claim 1, wherein said recess comprises a pair of opposed axially extending slots for receiving a section of the suture thread.

8. A device as claimed in claim 1, wherein said recess extends to the outside surface of said barrel.

9. A device as claimed in claim 1, wherein said staple guide is separable from said barrel.

10. A device as claimed in claim 1, wherein said device comprises two parallel barrels each having a staple guide, each of said barrels also having an ejector pin connected to said power drive.

11. A device as claimed in claim 10, wherein each of said ejector pins is activated by a separate trigger, said triggers activating said ejector pins.

12. A device as claimed in claim 11, wherein said triggers sequentially activate each of said ejector pins.

13. A device as claimed in claim 10, wherein said ejector pins are activated by a single trigger.

14. A device as claimed in claim 10, wherein said single trigger activates both of said ejector pins simultaneously.

15. A device as claimed in claim 1, wherein said device further comprises a staple having a suture thread secured thereto.

16. A device as claimed in claim 15, wherein said staple is formed from an elastic material which changes shape when no longer held by said staple guide.

17. A device as claimed in claim 1, wherein said force comprises a single pulse.

18. A method of treating a female patient for urinary stress incontinence, comprising:

inserting a bone anchor comprising a suture thread secured thereto through the vaginal wall of the patient to enter the pubic bone, and using said suture thread for securing soft tissue of the peri-urethral area to the posterior wall of the pubic bone to thereby adjust the anatomic position of the bladder neck and the urethra of the patient.

19. A method as claimed in claim 18, wherein said soft tissue comprises the vaginal wall.

20. A method as claimed in claim 18, further comprising the steps of forming a hole in said public bone by said step of inserting said bone anchor.

21. A method as claimed in claim 18, wherein said bone anchor is provided with a leading tip and a trailing, driven end and a longitudinal axis extending between said tip and said driven end and wherein the step of inserting said bone anchor results in a change of shape of said longitudinal axis.

22. A method as claimed in claim 21, wherein the shape of said longitudinal axis is changed by the use of a bone anchor formed from elastic material.

23. A method as claimed in claim 18, further comprising the steps of changing the orientation of said bone anchor as said bone anchor is inserted into the bone.

24. A method as claimed in claim 23, wherein said orientation is changed by the use of a bone anchor formed from elastic material.

25. A method as claimed in claim 18, wherein at least two bone anchors inserted into the pubic bone, and said step of using said suture thread comprises tying the suture threads of separate bone anchors together to secure said soft tissue to the posterior wall of said pubic bone.

26. A method as claimed in claim 25, wherein four bone anchors are inserted into the pubic bone.

27. A method as claimed in claim 18, wherein said step of inserting comprises ejecting and implanting of said bone anchor.