Source: http://www.google.es/patents/US7828186?hl=es&dq=flatulence
Timestamp: 2013-06-20 05:06:51
Document Index: 23834567

Matched Legal Cases: ['Application No. 200601986', 'Application No. 06253226', 'Application No. 06253224', 'Application No. 06251960', 'Application No. 06254005', 'Application No. 06253759', 'Application No. 06', 'Application No. 06250869', 'Application No. 06253759', 'Application No. 06254005', 'Application No. 06251959', 'Application No. 06253226', 'Application No. 06253224']

Patente US7828186 - Surgical instrument incorporating a fluid transfer controlled articulation ... - Google PatentesB�squeda Im�genes Maps Play YouTube Noticias Gmail Drive M�s » B�squeda avanzada de patentes | Historial web | Iniciar sesi�n B�squeda avanzada de patentesPatentesA surgical instrument particularly suited to endoscopic use articulates an end effector by including a fluid transfer articulation mechanism that is proximally controlled. A fluid control, which is attached to a proximal portion, transfers fluid through the elongate shaft through a first fluid passage...http://www.google.es/patents/US7828186?utm_source=gb-gplus-sharePatente US7828186 - Surgical instrument incorporating a fluid transfer controlled articulation bladder and method of manufacture N�mero de publicaci�nUS7828186 B2Tipo de publicaci�nConcesi�n N�mero de solicitud11/239,528 Fecha de publicaci�n9 Nov 2010 Fecha de presentaci�n28 Sep 2005 Fecha de prioridad18 Feb 2005Tambi�n publicado comoCA2536915A1, DE602006004375D1, EP1693008A1, EP1693008B1, US7455208, US7559450, US20060190028, US20060190031, US20060190032 N�mero de publicaci�n11239528, 239528, US 7828186 B2, US 7828186B2, US-B2-7828186, US7828186 B2, US7828186B2 InventoresKenneth S. Wales Cesionario originalEthicon Endo-Surgery, Inc.Citas de patentes (116), Otras citas (37), Citada por (2), Clasificaciones (11) Enlaces externos: USPTO, Cesi�n de USPTO, EspacenetSurgical instrument incorporating a fluid transfer controlled articulation bladder and method of manufactureUS 7828186 B2 Resumen A surgical instrument particularly suited to endoscopic use articulates an end effector by including a fluid transfer articulation mechanism that is proximally controlled. A fluid control, which is attached to a proximal portion, transfers fluid through the elongate shaft through a first fluid passage to a first fluid actuator that responds by articulating an articulation joint. Two opposing fluid actuators may respond to differential fluid transfer to effect articulation. Thereby, design flexibility is achieved by avoiding the design constraints of transferring a mechanical motion through the tight confines of the elongate shaft sufficient to effect articulation.
a second actuating bladder in fluid communication with the second conduit and positioned distally therefrom within the second bladder cavity in the elongate implement portion, wherein the second actuating bladder is configured to actuate against the motive surface of the actuating member in a second direction along an axis lateral to the longitudinal axis in opposition to the first direction in response to longitudinal fluid transfer from the second conduit. Descripci�n
CROSS REFERENCE TO RELATED APPLICATIONS The present invention is a continuation-in-part application of commonly owned U.S. patent application Ser. No. 11/061,908 entitled �SURGICAL INSTRUMENT INCORPORATING A FLUID TRANSFER CONTROLLED ARTICULATION MECHANISM� to Kenneth Wales and Chad Boudreaux filed on 18 Feb. 2005, the disclosure of which is hereby incorporated by reference in its entirety.
More recently, U.S. patent application Ser. No. 10/443,617, �SURGICAL STAPLING INSTRUMENT INCORPORATING AN E-BEAM FIRING MECHANISM� to Shelton IV et al., filed on 20 May 2003, which is hereby incorporated by reference in its entirety, describes an improved �E-beam� firing bar for severing tissue and actuating staples. Some of the additional advantages include affirmatively spacing the jaws of the end effector, or more specifically a staple applying assembly, even if slightly too much or too little tissue is clamped for optimal staple formation. Moreover, the E-beam firing bar engages the end effector and staple cartridge in a way that enables several beneficial lockouts to be incorporated.
BRIEF SUMMARY OF THE INVENTION The invention overcomes the above-noted and other deficiencies of the prior art by providing a surgical instrument having an implement portion that incorporates fluid bladders in the implement portion that reliably expand and contract in response to fluid transfer from a handle.
BRIEF DESCRIPTION OF THE FIGURES The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and, together with the general description of the invention given above and the detailed description of the embodiments given below, serve to explain the principles of the present invention.
DETAILED DESCRIPTION OF THE INVENTION Overview of articulating shaft. Turning to the Drawings, wherein like numerals denote like components throughout the several views, FIG. 1 depicts a surgical instrument, which in the illustrative versions is more particularly a surgical stapling and severing instrument 10, that is capable of practicing the unique benefits of the present invention. In particular, the surgical stapling and severing instrument 10 is sized for insertion, in a nonarticulated state as depicted in FIG. 1, through a trocar cannula passageway to a surgical site in a patient (not shown) for performing a surgical procedure. Once an implement portion 12 is inserted through a cannula passageway, an articulation mechanism 14 incorporated into a distal portion of an elongate shaft 16 of the implement portion 12 may be remotely articulated, as depicted in FIG. 1, by an articulation control 18. An end effector, depicted in the illustrative version as a staple applying assembly 20, is distally attached to the articulation mechanism 14. Thus, remotely articulating the articulation mechanism 14 thereby articulates the staple applying assembly 20 from a longitudinal axis of the elongate shaft 16. Such an angled position may have advantages in approaching tissue from a desired angle for severing and stapling, approaching tissue otherwise obstructed by other organs and tissue, and/or allowing an endoscope to be positioned behind and aligned with the staple applying assembly 20 for confirming placement.
An illustrative multi-stroke handle portion 22 for the surgical stapling and severing instrument 10 of FIG. 1 is described in greater detail in the co-pending and commonly-owned U.S. patent application entitled �SURGICAL STAPLING INSTRUMENT INCORPORATING A MULTISTROKE FIRING POSITION INDICATOR AND RETRACTION MECHANISM� to Swayze and Shelton IV, Ser. No. 10/374,026, the disclosure of which is hereby incorporated by reference in its entirety, with additional features and variation as described herein. While a multi-stroke handle portion 22 advantageously supports applications with high firing forces over a long distance, applications consistent with the present invention may incorporate a single firing stroke, such as described in co-pending and commonly owned U.S. patent application �SURGICAL STAPLING INSTRUMENT HAVING SEPARATE DISTINCT CLOSING AND FIRING SYSTEMS� to Frederick E. Shelton IV, Michael E. Setser, and Brian J. Hemmelgarn, Ser. No. 10/441,632, the disclosure of which is hereby incorporated by reference in its entirety.
Implement portion (articulating elongate shaft and staple applying assembly). In FIGS. 1-3, the implement portion 12 advantageously incorporates the multiple actuation motions of longitudinal rotation, articulation, closure and firing within a small diameter suitable for endoscopic and laparoscopic procedures. The staple applying assembly 20 (�end effector�) has a pair of pivotally opposed jaws, depicted as an elongate channel 40 with a pivotally attached anvil 42 (FIG. 1). Closure and clamping of the anvil 42 to the elongate channel 40 is achieved by longitudinally supporting the elongate channel 40 with a frame assembly 44 (FIG. 3) rotatingly attached to the handle portion 22 over which a double pivot closure sleeve assembly 46 longitudinally moves to impart a closing and opening respectively to a distal and proximal motion to the anvil 42, even with the staple applying assembly 20 articulated as in FIG. 2.
A distal end (�rack�) 112 of the T-bar 104 engages to pivot a proximally directed gear segment 115 of an articulated distal frame member 114 of the articulation mechanism 14. An articulating closure ring 116 encompasses the distal frame member 114 and includes a horseshoe aperture 118 that engages the anvil 42. A double pivoting attachment is formed between the closure straight tube 52 and articulating closure ring 116 over the articulating mechanism 14, allowing longitudinal closure motion even when the articulation mechanism 14 is articulated. In particular, top and bottom distally projecting pivot tabs 119, 120 on the closure straight tube 52 having pin holes 122, 124 respectively are longitudinally spaced away from corresponding top and bottom proximally projecting pivot tabs 126, 128 on the articulating closure ring 116 having pin holes 130, 132 respectively. An upper double pivot link 134 has longitudinally spaced upwardly directed distal and aft pins 136, 138 that engage pin holes 130, 122 respectively and a lower double pivot link 140 has longitudinally spaced downwardly projecting distal and aft pins 142, 144 that engage pin holes 132, 124 respectively
The articulation lock mechanism 200 is described in greater detail in the commonly-owned U.S. patent application Ser. No. 11/194,437, �Surgical Instrument with an Articulation Shaft Locking Mechanism� to Wales et al., filed 1 Aug. 2005, the disclosure of which is hereby incorporated by reference in its entirety.
In use, a laterally moving articulation mechanism 230 is shown schematically in FIGS. 4-7 and includes a fluid control system 235 having fluid filled parallel left and right fluid bladders 236, 238 extending longitudinally therein that move a lateral member or T-bar 240 laterally by the movement of fluids 242. All directions are in reference to the longitudinal axis. Referring to the unarticulated view of FIGS. 4 and 5, the distally located end effector 232 pivots about pin 244 and has a gear segment 246 at a proximal end. Pivot pin 244 is attached to a frame (not shown). A rack 248 at a distal end of the T-bar 240 operably engages gear segment 246. T-bar 240 and rack 248 are laterally moveable along axis A-A. A distal portion of the long left and right fluid bladders 236, 238 lies laterally to the laterally moveable T-bar 240 and are laterally constrained within a closure sleeve 250 and vertically constrained by a frame 252 below and a spacer 254 above. Left actuating fluid bladder 236 is filled with fluid 242 and has left distal actuating bladder 256, left fluid passageway 258, and a left proximal reservoir bladder 260. Right fluid bladder 238 contains fluid 242 and has a right distal actuating bladder 262, right fluid passageway 264, and right proximal reservoir bladder 266. A fixed divider 270 extends from the frame 252 and separates the bladders 260, 266 and the fluid passageways 258, 264. The fixed divider 270 and the closure sleeve 250 constrain the fluid passageways 258, 264 and prevent expansion in the fluid passage sections 258, 264 of the bladders 236, 238. A laterally moveable �C�-shaped compression member 272 is included in articulation control mechanism 230 for the compression of one of the proximal reservoir bladders 260, 266 and the articulation of the end effector 232. In addition, other components such as a firing bar 274 passing through a firing bar slot 276 in the frame 252 may be incorporated (FIGS. 5, 7).
In FIG. 12, a fluid control assembly 1000 may be assembled from a flaccid bladder 1002 that communicates via a rigid conduit 1004 to a deformable bladder 1006. The deformable bladder 1006 may be advantageously formed of a shape memory alloy (SMA) which are metals, such as NiTi (Nickel-Titanium), CuZnAl, and CuAlNi. SMAs exhibit two very unique properties: shape memory effect and pseudo-elasticity, made possible through a solid state phase change, that is a molecular rearrangement, which occurs in the shape memory alloy. In most SMAs, a temperature change of only about 10� C. is necessary to initiate a phase change between Martensite and Austenite.
For example, a single reservoir bladder may serve as both a left and right actuating bladder as described in the aforementioned and incorporated U.S. patent application Ser. No. 11/061,908 entitled �SURGICAL INSTRUMENT INCORPORATING A FLUID TRANSFER CONTROLLED ARTICULATION MECHANISM� to Kenneth Wales and Chad Boudreaux filed on 18 Feb. 2005.
For another example, reservoir and/or actuating bladders may be incorporated into a surgical instrument for purposes other than articulation, such as for opening and/or closing an anvil of a stapling and severing end effector as described in commonly owned and co-pending U.S. patent application Ser. No. 11/165,094, entitled �SURGICAL INSTRUMENT HAVING FLUID ACTUATED OPPOSING JAWS� to Wales et al., filed 23 Jun. 2005, the disclosure of which is hereby incorporated by reference in its entirety.
As yet a further example, fluids used in a laterally moving device may be either compressible or incompressible. As used herein, the term �fluid� comprises liquids, gases, gels, microparticles, and any other material which may be made to flow between a pressure gradient. While any fluid may be used, sterilized solutions such as saline, mineral oil or silicone are illustrative flowable materials.
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Citada por Patente citante Fecha de presentaci�n Fecha de publicaci�n Solicitante T�tuloUS8113409 *31 Mar 200914 Feb 2012Tyco Healthcare Group LpSurgical stapling apparatus with clamping assemblyUS818655714 Oct 201129 May 2012Tyco Healthcare Group LpSurgical stapling apparatus with clamping assembly* Citada por examinadorClasificaciones Clasificaci�n de EE.UU.227/175.1, 227/19, 227/176.1 Clasificaci�n internacionalA61B17/072 Clasificaci�n cooperativaA61B1/0051, A61B17/00234, A61B2017/00557, A61B17/07207, A61B2017/2927 Clasificaci�n europeaA61B17/072B, A61B17/00EGirarImagen originalP�gina principal de Google - Sitemap - Descargas masivas de USPTO - Pol�tica de privacidad - Condiciones de servicio - Acerca de Google Patentes - Danos tu opini�nDatos proporcionados por IFI CLAIMS Patent Services©2012 Google