Articulating surgical stapling instrument incorporating a two-piece e-beam firing mechanism

a firing mechanism and surgical stapling technology, applied in the field of surgical instruments, can solve the problems of complicated approaches to articulating surgical stapling and severing instruments, and achieve the effects of reducing cross sectional area and the ability to flex, enhancing use of articulating surgical instruments, and ensuring the accuracy of articulation
US20110147433A1Inactive Publication Date: 2011-06-23CILAG GMBH INT
104 Cites 1677 Cited by

Patent Information

Authority / Receiving Office
US Ā· United States
Patent Type
Applications(United States)
Current Assignee / Owner
CILAG GMBH INT
Publication Date
2011-06-23
Estimated Expiration
Not applicable Ā· inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

A surgical severing and stapling instrument, suitable for laparoscopic and endoscopic clinical procedures, clamps tissue within an end effector of an elongate channel pivotally opposed by an anvil. An E-beam firing bar moves distally through the clamped end effector to sever tissue and to drive staples on each side of the cut. The E-beam firing bar affirmatively spaces the anvil from the elongate channel to assure properly formed closed staples, especially when an amount of tissue is clamped that is inadequate to space the end effector. In particular, an upper pin of the firing bar longitudinally moves through an anvil slot and a channel slot is captured between a lower cap and a middle pin of the firing bar to assure a minimum spacing. Forming the E-beam from a thickened distal portion and a thinned proximal strip enhances manufacturability and facilitates use in such articulating surgical instruments.
Need to check novelty before this filing date? Find Prior Art

Description

[0001] The present application is a continuation of and claims the benefit from U.S. patent application Ser. No. 11 / 538,154, filed Oct. 3, 2006, entitled ā€œARTICULATING SURGICAL STAPLING INSTRUMENT INCORPORATING A TWO-PIECE FIRING MECHANISMā€, to Shelton, IV et al. which claims the benefit of the U.S. provisional patent application entitled ā€œSURGICAL INSTRUMENT INCORPORATING AN ELECTRICALLY ACTUATED ARTICULATION MECHANISMā€, to Shelton, Ser. No. 60 / 591,694, filed on 28 Jul. 2004 and which is a continuation-in-part patent application of the U.S. nonprovisional patent application entitled ā€œSURGICAL STAPLING INSTRUMENT INCORPORATING AN E-BEAM FIRING MECHANISMā€ to Shelton et al., Ser. No. 10 / 443,617, filed on 20 May 2003, the disclosures of which are each hereby incorporated by reference in their respective entireties.FIELD OF THE INVENTION

[0002] The present invention relates in general to surgical instruments that are suitable for endoscopically inserting an end effector that is actuated by...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More