U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Suturing assembly and method

Patent 4809695 Issued on March 7, 1989. Estimated Expiration Date: Icon_subject February 25, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1520861

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2881762

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Inventors

Assignee

Application

No. 07/018662 filed on 02/25/1987

US Classes:

227/175.1, SURGICAL STAPLER227/19WITH MEANS TO ASSEMBLE PLURAL PIECES OF WORK

Examiners

Primary: Pinkham, Richard C.
Assistant: Jackson, Gary

Attorney, Agent or Firm

International Classes

A61B 17/12 (20060101)
A61B 17/122 (20060101)
A61B 17/064 (20060101)
A61B 17/072 (20060101)
A61B 17/068 (20060101)

Abstract

A tissue suturing assembly (10) and method involves C-shaped suturing staples (16) embedded in a cartridge (14) formed of a carrier (18) and opposite cartridge jaws (20 and 22). The opposite cartridge jaws are moved linearly along a track in the carrier to bend the C-shaped staples into spiraling overlapping loops by a separate elongated pliers-like clamping tool (12). The cartridge jaws selectively engage the pliers-like tool jaws (90) so that a loaded cartridge can be mounted on the pliers-like tool, the suturing staples mounted therein can be rolled up from their ends to thereby pass through tissues positioned in mouths of the staples, the cartridge can be removed from the pliers-like tool jaws, and a new loaded cartridge can be mounted on the pliers-like tool jaws to repeat this process. An equalizer mechanism (84) is included on the pliers-like tool to cause opposite jaws of the pliers-like tool to move correspondingly uniformed distances.

Other References

  • Surgery Annual 1970, Philip Cooper, M.D. and Stephen Tolins, "Stapling as a Method of Suturing Tissues"
  • Division of Instrumentation, "The Technical Aspects of the Vascular Stapler", R. F. Mallina, Foundation for Medical Technology, New York, NY
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