Surgical instrument for applying fasteners having tissue locking means for maintaining the tissue in the instrument while applying the fasteners (case I)

• US 4,607,636 A
• Filed: 07/16/1984
• Issued: 08/26/1986
• Est. Priority Date: 07/16/1984
• Status: Expired due to Term

• Current Assignee: Ethicon Incorporated (Johnson & Johnson)
• Original Assignee: Ethicon Incorporated (Johnson & Johnson)
• Inventors: Kula, John, Miksza, Anthony S. Jr.
• Primary Examiner(s): NOT, DEFINED
• Application Number:
  US06/631,121
• Time in Patent Office: 771 Days
• Field of Search: 128/334 R, 128/334 C, 227/DIG. 1
• US Class Current: 227/181.1
• CPC Class Codes: A61B 17/072 for applying a row of staples in a single action , e.g. the staples being applied simultaneously
• CPC Class Codes: A61B 2017/07214 Stapler heads
• CPC Class Codes: A61B 2017/0725 with settable gap between anvil and cartridge, e.g. for different staple heights at different shots

Abstract

A surgical instrument for applying tissue fasteners. The instrument includes a stationary jaw and a movable jaw mounted on a support body. The jaws are placed on the opposite sides of the tissue to be joined. The instrument includes means for holding the tissue between the jaws while the fasteners are being applied and to provide rigidity between the jaws.

Claims

1. A surgical instrument for stitching tissue by means of staples, said instrument comprising:

a support body, a pair of jaws mounted at one end of said support body, a staple housing mounted in one of said jaws, means mounted on said support body for moving said jaw containing said staple housing towards the other jaw to close the gap and clamp tissue placed therebetween, drive means mounted on said support body for driving the staples from the jaw on which the staple housing is mounted towards the opposite jaw, actuating means mounted at the end of said support body opposite said end on which the jaws are mounted for actuating said staple drive means, and means cooperating with the open end of said jaws to hold tissue placed therebetween while said staples are being driven, said means providing rigidity between said jaws.

2. A surgical instrument according to claim 1 including means for preventing movement of the jaw containing the staple housing to close the gap between the jaws unless the jaws are properly aligned.

3. A surgical instrument in accordance with claim 1 including means for preventing actuation of the staple drive means unless the jaws are properly aligned.

4. An instrument according to claim 1 wherein the means cooperating with the open end of said jaws to hold tissue is automatically released when the drive means has been actuated.

5. A surgical instrument according to claim 1 wherein the interlock is automatically released after the drive means has been actuated.

6. A surgical instrument according to claim 4 including means for preventing movement of the jaw containing the staple housing to close the gap between the jaws unless the jaws are properly aligned.