US 8,025,199 B2 · Surgical cutting and stapling device

Abstract

The present invention, in accordance with various embodiments thereof, relates to a surgical device for at least one of cutting and stapling a section of tissue. The surgical device includes a housing including at least two drivers. The surgical device also includes an anvil mechanically attachable to the housing and moveable relative to the housing between an open position and a closed position. The first driver operates to move the anvil relative to the housing to an intermediate position between the open position and the closed position. The second driver operates to move at least a portion of the housing relative to the anvil between the intermediate position and the closed position.

Drawings

Drawings are temporarily unavailable. Open the PDF at USPTO

Drawings

Claims7

Dependent claims

A surgical device for at least one of cutting and stapling a section of tissue, comprising:

a housing for staples, the housing defining a bore and having a distal end, the housing further having an inner surface, the housing including a central rear endcap sleeve extending from a proximal end being spaced radially inward of the inner surface of the housing, the rear endcap sleeve defining a central bore and a radially inwardly-extending rim;
a trocar shaft disposed through the bore of the housing so as to be moveable relative to the housing, the trocar shaft including a trocar and defining a reduced diameter region proximal of the trocar;
an anvil attachable to the trocar shall and configured to be moveable relative to the housing by movement of the trocar shall, the anvil including:
an anvil sleeve extending proximally from the anvil and defining a bore and at least a pair of axially extending slots defined in a proximal end portion thereof and extending through a proximal end thereof, the anvil sleeve having a circumferential recess channel formed in an outer surface thereof and extending radially therearound, such that when the anvil sleeve is disposed in the bore of the housing, the circumferential recess channel is configured to receive the rim of the endcap sleeve to releasably axially secure the anvil sleeve in the bore of the housing and to axially lock the anvil in a predetermined position relative to the housing;
an anvil rod slidably disposed in the bore of the anvil sleeve, the anvil rod defining a proximal bore therein and a longitudinally extending trocar receiving slot formed through a proximal end of the anvil rod and defining an enlarged distal opening sized to receive the trocar therein from a side thereof:
and
an anvil sleeve guide having one or more keyways disposed on an interior surface and a lip disposed on an exterior surface, such that a proximal portion of the anvil sleeve guide has a greater radius than a distal portion of the anvil sleeve guide;
and
an outer housing sleeve having one or more openings distally disposed and a radially inwardly-extending lip proximally disposed, such that the outer housing sleeve slidably receives a staple pusher carriage element for actuating a stapler pusher and a staple cartridge;
wherein at least a portion of the trocar shall that is extendable distally relative to a clamping face at the distal end of the housing and that is extendable between the clamping face and the anvil is flexible.

7 more elements

Dependencies are inferred from the claim text.

Description27,042 words

Summary1,948 words

#This application relates to U.S. patent application Ser. No. 09/324,452, filed on Jun. 2, 1999 and issued as U.S. Pat. No. 6,443,973, U.S. application Ser. No. 09/723,715, filed on Nov. 28, 2000, U.S. application Ser. No. 09/324,451, filed on Jun. 2, 1999 and issued as U.S. Pat. No. 6,315,184, U.S. application Ser. No. 09/351,534, filed on Jul. 12, 1999 and issued as U.S. Pat. No. 6,264,087, U.S. application Ser. No. 09/510,923, filed on Feb. 22, 2000 and issued as U.S. Pat. No. 6,517,565, U.S. application Ser. No. 09/510,927, filed on Feb. 22, 2000, U.S. application Ser. No. 09/510,932, filed on Feb. 22, 2000 and issued as U.S. Pat. No. 6,491,201, U.S. application Ser. No. 09/836,781, filed on Apr. 17, 2001, U.S. patent application Ser. No. 09/887,789, filed on Jul. 22, 2001, each of which is expressly incorporated herein in its entirety by reference.

#The present invention relates to an electromechanical surgical system, and more particularly to a surgical attachment of an electromechanical surgical system for clamping, cutting and stapling tissue in the body of a patient.

#There are many surgical procedures that require a surgical instrument to be introduced into an orifice of a body. One example of such is a surgical procedure to resect a cancerous or anomalous tissue from an oral passage by the introduction, e.g., insertion, of a circular clamping, cutting and stapling instrument via a patient's oral cavity.

Brief description of the drawings43 figures

#FIG. 1 is a perspective view of an electro-mechanical surgical system, according to one embodiment of the present invention.

#FIG. 2 is a perspective view of a remote power console, according to one embodiment of the present invention.

#FIG. 3 is a side elevational view, partially in section, of a flexible shaft of the electromechanical surgical system illustrated in FIG. 1.

Detailed description24,127 words

#The present invention is directed to an electro-mechanical surgical system. FIG. 1 is a perspective view of an electromechanical surgical system 10 according to one embodiment of the present invention.

#As shown in FIG. 1, the electro-mechanical surgical system 10 includes a remote power console 12 having a flexible shaft 20 extending therefrom. The flexible shaft 20 includes at least a first rotatable drive shaft 30 and a second rotatable drive shaft 32. Additional details of the remote power console 12 are described and shown in connection with, e.g., FIG. 2. Additional details of the flexible shaft 20 are described and shown in connection with, e.g., FIGS. 3 to 6.

#Attached, or attachable, to a coupling 26 at the distal end 24 of the flexible cable 20 is a surgical attachment 100. The surgical attachment 100 is configured to perform a surgical operation. For the purposes of example only, the surgical attachments are described hereinbelow as being circular clamping, cutting and stapling devices that are configured to perform, e.g., an anastomosis procedure. However, it should be recognized that the surgical attachments may be any suitable type of surgical device. Furthermore, for the purposes of example only, the surgical attachments described hereinbelow are described as being employed within an oral passage of a patient. However, it should be recognized that the surgical attachments may be employed within any type of orifice or passage of a patient. Advantageously, the surgical attachments described hereinbelow have a relatively small cross-sectional area, thereby facilitating its passage into, e.g., the oral passages, of a patient.

Facts

Application

10/785,672Filed 23 Feb 2004

Published

US 2005/0187576 A125 Aug 2005

Granted

27 Sep 2011

Term ended

23 Feb 2024

Estimated · how

20 years from earliest known nonprovisional domestic filing plus recorded patent term adjustment. Maintenance-fee lapses, terminal disclaimers and statutory extensions have not been checked. The continuity chain may be incomplete; this is not an enforceability determination.

Classification11 codes

A61B 17/068
Surgical instruments, devices or methods: surgical staplers , e.g. containing multiple staples or clamps
A61B 17/115
For performing anastomosis; Buttons for anastomosis: staplers for performing anastomosis, e.g. in a single operation
A61B 17/1155
Staplers for performing anastomosis, e.g. in a single operation: circular staplers comprising a plurality of staples
A61B 17/32053
Excision instruments: punch like cutting instruments, e.g. using a cylindrical or oval knife

Timeline

23 Feb 2004Application filedUS 10/785,672
16 Dec 2004Assigned to Power Medical Interventions, Inc.assignment of assignor's interest
25 Aug 2005PublishedUS 2005/0187576 A1
7 Dec 2005Assigned to General Electric Capital Corporationsecurity agreement
22 Mar 2007Assigned to Power Medical Interventions, Inc.release of security interest
2 Apr 2007Assigned to The Bank of New Yorksecurity agreement
1 Oct 2009Assigned to Power Medical Interventions, LLCmerger
19 Nov 2009Assigned to Power Medical Interventions, LLCrelease of security interest
29 Apr 2011Assigned to Tyco Healthcare Group LPassignment of assignor's interest
27 Sep 2011GrantedUS 8,025,199 B2
2 Oct 2012Assigned to Covidien LPchange of name
23 Feb 2024Term endedEstimated

Surgical cutting and stapling device

Life of this patent

Surgical cutting and stapling device

Life of this patent

Life of this patent

Abstract

Drawings

Drawings

Claims7

Description27,042 words

Drawings

Classification11 codes

Life of this patent

Description27,042 words