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Surgical Stapler

Surgical Stapler patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

Related Categories:

Elongated-member-driving Apparatus


Surgical Stapler



Anvil assembly with sliding sleeve
12/18/14 - 20140367444 - An anvil assembly having a sliding sleeve is provided. The anvil assembly includes an anvil center rod assembly, a head assembly pivotally secured to the anvil center rod assembly, and a sleeve member slidably disposed about the anvil center rod assembly. The sleeve member is configured to slide relative to...

Surgical instruments employing sensors
11/27/14 - 20140346214 - According to an aspect of the present disclosure, a surgical instrument for operating on tissue is provided. The surgical instrument includes an end effector including a first tissue engaging member and a second tissue engaging member in juxtaposed relation to the first tissue engaging member; a gap determination element operatively...

Method and system to determine an optimal tissue compression time to implant a surgical element
11/20/14 - 20140339285 - An apparatus for determining an optimal amount of tissue compression for applying a surgical element to tissue is disclosed. The apparatus includes a device for compressing tissue which supports a measuring device adapted to detect a tissue parameter upon the compression of tissue. The measuring device communicates with an indicator....

Surgical stapling and cutting apparatus - deployment mechanisms, systems and methods
11/13/14 - 20140332578 - A surgical stapling device is configured for use in open and/or laparoscopic surgical procedures. The device includes a handle assembly, a shaft assembly coupled to the handle assembly, and an end-effector coupled to the shaft assembly. The end-effector comprises of a jaw assembly configured to clamp, staple, and/or cut a...

Reusable circular stapler handle with open assembly architecture
11/13/14 - 20140332579 - A circular stapling instrument is provided. The circular stapling instrument includes a handle forming a cavity, a reciprocating drive shaft, a carrier cover, and a shaft assembly. The reciprocating drive shaft is detachably secured within the cavity of the handle. The carrier cover covers a portion of the reciprocating drive...

Dissecting tip for surgical stapler
10/30/14 - 20140319197 - The present disclosure relates to a dissecting tip for use in a surgical stapler or instrument....

Stapler for endoscopes
10/30/14 - 20140319198 - A stapling device for a surgical endoscopic device provided with at least one flexible portion, comprising a staple-firing portion and an anvil portion, wherein one of the staple firing portions and one of the anvil portions are located longitudinally displaced from one another along the longitudinal axis of the endoscopic...

Surgical stapling apparatus with control features operable with one hand
10/16/14 - 20140305986 - A surgical stapling apparatus. Various embodiments include a rotatable elongated body that extends from a rotatable shroud on handle assembly and has a distal end configured for attachment to a disposable loading unit. The apparatus further includes a lockable rotation system for selectively locking the rotatable shroud to prevent rotation...

Anvil cap of a multiple umbrella type for circular staplers
10/02/14 - 20140291377 - An anvil cap providing secure anastomosis in the circular staplers having a main body, a clamping arm configured on the body, a punch section and a punch surface corresponding to the punch section; characterized in comprising a movable inner shaft on which a pulling movement is applied by means of...

Circular stapler having a foldable anvil
09/25/14 - 20140284370 - A foldable anvil provides secure anastomosis in circular staplers and has an anvil cap with a main body, a clamping arm configured on the main body, a punch section and a punch surface corresponding to the punch section. The anvil cap includes multiple foldable wings, a command wire connected with...

Control arrangements for a drive member of a surgical instrument
09/18/14 - 20140263537 - A surgical instrument is disclosed. The surgical instrument may be operated compensating for the effect of splay in flexible knife bands on transection length of a powered surgical instrument. The surgical instrument includes a processor and a memory. A relationship between articulation angle of an end effector and effective transection...

Sensor arrangements for absolute positioning system for surgical instruments
09/18/14 - 20140263538 - A surgical instrument is disclosed. The surgical instrument may include an absolute position sensor system. The absolute position sensor system includes a sensor element operatively coupled to a movable drive member of the surgical instrument. A position sensor is operably coupled to the sensor element and is configured to sense...

Control systems for surgical instruments
09/18/14 - 20140263539 - Surgical instruments and control systems therefor are disclosed. A surgical instrument can comprise: a power circuit comprising a power source and a switch, a microcontroller coupled to the power circuit, a handle comprising an attachment portion, and a control circuit in signal communication with the microcontroller. The attachment portion can...

Surgical stapler with expandable jaw
09/18/14 - 20140263540 - Jaw assemblies for a surgical stapler are provided. The jaw assemblies comprise a first jaw having a first clamping surface and a plurality of staples disposed therein and second jaw assembly having a second clamping surface. The jaw assemblies can be actuated from a closed configuration in which the first...

Pivoting screw for use with a pair of jaw members of a surgical instrument
09/11/14 - 20140252061 - A loading unit assembly includes a tool assembly having first and second jaw members and a pivot pin configured to pivotably couple the first and second jaw members. The first jaw member is movable with respect to the second jaw member between spaced and approximated positions, wherein the pivot pin...

Circular stapling device including buttress release mechanism
09/11/14 - 20140252062 - A circular stapling device includes a handle assembly, an elongated body, an end effector, and one or more buttress members. The elongated body extends from the handle assembly. The end effector is mounted on a distal end of the elongate body and supports the one or more buttress members. A...

End effector identification by mechanical features
09/11/14 - 20140252063 - According to one aspect of the present disclosure, a surgical instrument is disclosed. The instrument includes a handle portion, a body portion extending distally from the handle portion and defining a first longitudinal axis and a loading unit. The loading unit includes a tool assembly, the loading adapted to be...

Articulatable surgical instruments with conductive pathways for signal communication
09/04/14 - 20140246471 - A cover for an articulation joint that is supported in an elongate shaft assembly of a surgical instrument that is operably coupled to a surgical end effector that includes at least one end effector conductor therein. The cover includes at least one electrically conductive pathway that extends from the distal...

Rotary powered articulation joints for surgical instruments
09/04/14 - 20140246472 - An articulation joint for a surgical instrument. In at least one form, the articulation joint includes a proximal joint portion that is coupled to an elongate shaft assembly of the surgical instrument. A distal joint portion is movably coupled to the proximal joint portion and is configured to interface with...

Rotary powered surgical instruments with multiple degrees of freedom
09/04/14 - 20140246473 - A surgical instrument may comprise a drive system that is configured to electrically generate a plurality of discrete rotary control motions. In at least one form, the surgical instrument may include an elongate shaft assembly that is operably couplable to the drive system for receiving a first rotary control motion...

Electromechanical surgical device with signal relay arrangement
09/04/14 - 20140246474 - A surgical instrument configured to relay a low-power signal from an end effector to a remote device is disclosed. The surgical instrument may comprise a handle, a shaft extending distally from the handle, and an end effector attached to the distal end of the shaft. A sensor may be disposed...

Control methods for surgical instruments with removable implement portions
09/04/14 - 20140246475 - A surgical instrument for acting on tissue. The surgical instrument comprises at least one processor, at least one motor in communication with the processor and at least one actuation device. The processor is programmed to receive from a removable implement portion a first variable describing the removable implement. The processor...

Surgical instrument soft stop
09/04/14 - 20140246476 - A surgical instrument includes a drive member movable by a drive motor between a home position and an end of stroke. A mechanical stop is disposed at or near the end of stroke and is structured to increase resistance to movement of the drive member from a first position to...

Jaw closure feature for end effector of surgical instrument
08/28/14 - 20140239036 - An end effector for use with a surgical instrument includes a first jaw, a second jaw, and a closure ring. The second jaw is pivotable relative to the first jaw. The second jaw has a proximal end with a first ramped surface and a second ramped surface distal of the...

Staple forming features for surgical stapling instrument
08/28/14 - 20140239037 - An end effector for a surgical instrument comprises a first jaw and a second jaw. The first jaw is configured to receive a staple cartridge. The second jaw is movable relative to the first jaw and is configured to provide an anvil for forming staples. The anvil has staple forming...

Surgical instrument with multi-diameter shaft
08/28/14 - 20140239038 - An apparatus includes an end effector and a shaft having a longitudinal axis. The end effector includes a first jaw and second jaw. The first jaw is pivotable relative to the second jaw. The distal end of the shaft has an articulation joint that pivots the end effector from a...

Device and method for delivering shape-memory staples
08/28/14 - 20140239039 - An apparatus comprising a plurality of chambers for receiving an associated plurality of staples, each formed with a shape memory that allows the staple to adopt a straightened configuration, when placed in a stapler, and a deployed configuration for suturing when released from the stapler; and a sleeve moveable relative...

Electrically self-powered surgical instrument with cryptographic identification of interchangeable part
08/14/14 - 20140224856 - A surgical instrument includes a surgical end effector having a receiving portion for removably receiving therein an interchangeable part. The receiving portion has a communication connection. A handle connected to the end effector actuates the end effector. The handle has a controller electrically connected to the communication connection for authenticating...

Foam application to stapling device
07/31/14 - 20140209658 - A surgical stapling apparatus includes a cartridge assembly, an anvil assembly, a surgical buttress, and a low molecular weight bioabsorbable adhesive. The cartridge assembly includes a plurality of staples and a tissue contacting surface defining staple retaining slots. The anvil assembly includes a tissue contacting surface defining staple pockets for...

Surgical apparatus including surgical buttress
07/24/14 - 20140203061 - A surgical stapling apparatus includes a housing, an end effector, fasteners, and one or more surgical buttresses. The end effector is secured to the housing and has first and second jaw assemblies. The first jaw assembly defines slots and the second jaw assembly defines pockets. One or both of the...

Release tool for an end effector of a surgical stapling apparatus
07/24/14 - 20140203062 - A release tool is provided for an end effector with a pair of jaw members and a drive beam assembly configured for axial movement through the pair of jaw members. The release tool includes an elongate body member, a gripping assembly, and a release bar. The gripping assembly is secured...

Tilt top anvil with torsion spring
07/10/14 - 20140191011 - A tilt anvil assembly is disclosed which includes a center rod, a head assembly, and a torsion spring configured to pivot the head assembly relative to the center rod. The head assembly has a locking collar defining a locked position preventing pivotal movement of the head assembly, and an unlocked...

Microcutter stapling apparatus clamp and deploy mechanisms systems and methods
06/26/14 - 20140175146 - A surgical stapling apparatus configured to perform stapling and/or cutting operations on a target tissue of a patient. The surgical stapling apparatus comprises of a mode selection switch to place the apparatus in either a clamping operational phase or a deployment operational phase. In the clamping operational phase, various clamp...

Surgical stapler with reduced clamp gap for insertion
06/26/14 - 20140175147 - A surgical apparatus may include a staple holder, an anvil connected to and movable relative to the staple holder, and at least one axle extending outward from the anvil; and an overtube slidable relative to the end effector, the overtube including at least one slot defined therein; where each slot...

Electromechanical drive and remote surgical instrument attachment having computer assisted control capabilities
06/26/14 - 20140175148 - A medical tool comprising an electromechanical driver and a surgical instrument attachment for use in invasive surgery, including a handle coupled to a flexible sheath which is in turn coupled to a surgical attachment. The handle of the driver includes the electromechanical driver and at least one processor element which...

Motor driven rotary input circular stapler with lockable flexible shaft
06/19/14 - 20140166718 - A circular stapler apparatus and method for stapling tissue include a shaft assembly and an anvil. The anvil is configured to proximally retract toward the shaft assembly, which at least severs or staples tissue based on a single rotary input. The shaft assembly includes a plurality of joint segments, and...

Seal element for anastomosis
06/19/14 - 20140166719 - A seal element for sealing between tissue lumens includes a first material for allowing tissue ingrowth and a second sealant material....

Electrosurgical end effector with tissue tacking features
06/12/14 - 20140158741 - An apparatus is provided for operating on tissue. The apparatus includes an end effector having an upper jaw and lower jaw. The upper and lower jaws each include an electrode surface. The apparatus also includes a tissue tacking cartridge coupled to one of either the upper jaw or the lower...

Buttress and surgical stapling apparatus
06/12/14 - 20140158742 - Multilayer structures including a porous layer and a non-porous layer are useful as buttresses when associated with a surgical stapling apparatus....

Surgical fastener applying apparatus with controlled beam deflection
06/12/14 - 20140158743 - A surgical fastener applying apparatus including an anvil half-section having a distal end and a longitudinal axis; a cartridge receiving half-section having a distal end and operatively couplable with the anvil half-section such that the distal ends of the half-sections are in juxtaposed relation; and a deflection control system operatively...

Surgical stapling instrument
06/12/14 - 20140158744 - A surgical stapling instrument comprising a handle assembly having a proximal end, an elongated body portion extending distally from the handle assembly, a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The shell assembly includes a shell...

Surgical instrument with secondary jaw closure feature
06/05/14 - 20140151428 - An apparatus for operating on tissue includes an outer sheath, upper and lower jaws connected at a pivot point, and a firing beam comprising a distal pair of flanges. The firing beam is configured to be received within slots defined in the upper and lower jaws to close the jaws....

Trans-oral circular anvil introduction system with dilation feature
06/05/14 - 20140151429 - An anvil introduction system is operable to provide smooth insertion of an anvil of a surgical stapling device through a bodily lumen such as the esophagus. The anvil introduction system is coupled to the anvil and includes a dilation feature. The dilation feature has a collapsed position and an expanded...

Circular anvil introduction system with alignment feature
06/05/14 - 20140151430 - An apparatus is provided for stapling tissue. The apparatus includes an anvil and a trocar selectively coupled with the anvil. The anvil may have an inner opening and a plurality of staple pockets aligned around a surface of the anvil. The anvil may be inserted trans-orally through an esophagus prior...

Surgical staple with integral pledget for tip deflection
05/29/14 - 20140144968 - A circular stapler apparatus for stapling tissue includes a staple and pledget assembly and a circular staple head operable to drive staples toward an anvil. A staple of the staple and pledget assembly has a pair of legs disposed substantially perpendicular to a crown of the staple in a first...

Pivoting anvil for surgical circular stapler
05/29/14 - 20140144969 - A circular stapler apparatus for stapling tissue has a circular stapling head operable to drive staples toward an anvil to form the staples in a circular array. The anvil includes an anvil head, a proximal shaft extending proximally from the anvil head and having a proximal end disposed in a...

Slanted introducer for end-to-end anastomosis anvil
05/15/14 - 20140131415 - A surgical stapling device including an elongated body portion having a proximal end and a distal end, and defining a longitudinal axis therethrough is presented. The surgical stapling device further includes a handle assembly positionable adjacent the body portion at the proximal end thereof and an introducer assembly positioned at...

Surgical device
05/15/14 - 20140131416 - A surgical device is provided that includes a jaw portion with a first jaw and a second jaw moveable relative to the first jaw. The surgical device also includes a shaft portion coupled to a proximal end of the jaw portion. A driver is configured to cause relative movement of...

Knife bar for surgical instrument
04/17/14 - 20140103090 - A surgical instrument for surgically joining tissue includes a handle assembly, an elongate member extending distally from the handle assembly, an end effector disposed adjacent a distal portion of the elongate member, and an actuation assembly operatively associated with the handle assembly. The actuation mechanism includes a thrust bar disposed...

Staple pocket arrangement for surgical stapler
04/17/14 - 20140103091 - A staple pocket arrangement on the anvil portion of a surgical stapler device includes pairs of staple pockets corresponding to each one of a plurality of staples to be closed. Each respective staple leg is received at a longitudinal end of the staple pocket that provides a relatively wide target...

Surgical stapler with corrugated thermoplastic leaf spring
03/06/14 - 20140061278 - A surgical stapler can comprise: a housing having side walls an end wall, a front wall, and a upper side that define a channel; a trigger; and a thermoplastic leaf spring having a proximal end and a distal end, the leaf spring comprising a non-corrugated portion and a corrugated portion....

Surgical tilt anvil assembly
02/27/14 - 20140054353 - An anvil and anvil delivery system is provided which includes a head assembly and a center rod defining a longitudinal axis. The head assembly defines a transverse axis and is pivotally secured to the rod and movable from an operative position wherein the transverse axis is substantially perpendicular to the...

Surgical instruments employing sensors
02/13/14 - 20140042204 - According to an aspect of the present disclosure, a surgical instrument for operating on tissue is provided. The surgical instrument includes an end effector including a first tissue engaging member and a second tissue engaging member in juxtaposed relation to the first tissue engaging member; a gap determination element operatively...

Surgical stapling instrument
02/13/14 - 20140042205 - A surgical stapler can comprise an anvil comprising a staple pocket formed in a tissue contacting surface. The staple pocket can comprise a midline or centerline, a first forming cup, and a second forming cup. The first forming cup can comprise a first interior sidewall comprising a first vertical portion...

Method and apparatus for delivering a shape memory article to a surgical site
02/06/14 - 20140034702 - The invention pertains to a method and apparatus for delivering an article formed of a shape memory alloy to a surgical implantation site. The apparatus may include a body having a passage for receiving the proximal portion of the shape memory article, the passage being shaped to substantially prevent the...

Detachable buttress material retention systems for use with a surgical stapling device
01/30/14 - 20140027490 - Systems of releasably connecting staple line buttress material to the jaws of a surgical stapling instrument are provided. The systems include retainers configured to engage the buttress material and releasably retain the buttress material on the jaws of the surgical stapling instrument prior to stapling tissue. In certain embodiments, the...

Surgical instrument including a locking assembly
01/30/14 - 20140027491 - A surgical instrument including a handle portion, a body portion, an articulating tool assembly and a locking assembly is disclosed. The handle portion includes a movable handle. The body portion extends distally from the handle portion and defines a first longitudinal axis. The articulating tool assembly defines a second longitudinal...

Surgical device
01/23/14 - 20140021238 - A surgical device includes a first jaw and a second jaw disposed in opposed correspondence with the first jaw. The second jaw is mechanically coupled to the first jaw at a proximal end opposite a distal end. A cutting element is disposed within the second jaw, and a first driver...

Medical device having an improved coating
01/16/14 - 20140014704 - A medical device for use in surgery made of a metal having a first hard coating layer applied to the metal, a second PTFE coating layer applied to the hard coating, and a third soap based lubricant coating layer applied to the PTFE layer....

Surgical stapling instrument
01/16/14 - 20140014705 - A surgical stapler can comprise an anvil comprising a staple pocket formed in a tissue contacting surface. The staple pocket can comprise a midline or centerline, a first forming cup, and a second forming cup. The first forming cup can comprise a first interior sidewall comprising a first vertical portion...

Device and method for controlling compression of tissue
01/09/14 - 20140008410 - A method and device for controlling the compression of tissue include clamping tissue between a first clamping member and a second clamping member by driving at least one of the clamping members with an electric motor toward a predetermined tissue gap between the clamping members and, during the clamping, monitoring...

Surgical device
01/09/14 - 20140008411 - A surgical device includes a first jaw and a second jaw in opposed correspondence with the first jaw. A first driver is configured to cause relative movement of the first jaw and the second jaw in a plane. The first driver is configured to engage a drive shaft rotatable about...

Method and system to determine an optimal tissue compression time to implant a surgical element
01/02/14 - 20140001230 - An apparatus for determining an optimal amount of tissue compression for applying a surgical element to tissue is disclosed. The apparatus includes a device for compressing tissue which supports a measuring device adapted to detect a tissue parameter upon the compression of tissue. The measuring device communicates with an indicator....

Articulatable surgical instrument comprising a firing drive
12/19/13 - 20130334278 - A surgical instrument can comprise a handle, a shaft extending from the handle, and an end effector rotatably coupled to the shaft by an articulation joint. The surgical instrument can further include a staple cartridge positioned within the end effector and a firing drive operably coupled with a trigger wherein...

Spring loaded anvil retainer
12/19/13 - 20130334279 - A surgical stapling device including a handle assembly, a body portion extending distally from the handle assembly, a head portion including an anvil retainer and a shell assembly, the anvil retainer being movable in relation to the shell assembly between unapproximated and approximated positions, a tube surrounding a portion of...

Center cinch and release of buttress material
12/12/13 - 20130327807 - A buttressed anvil assembly is provided for use with a surgical stapling instrument. The buttressed anvil assembly generally includes an anvil member having a strip of buttress material attached thereto by a pair of sutures. A tensioning mechanism is provided to secure or tension the buttress material to the anvil...

Tilting anvil for annular surgical stapler
11/21/13 - 20130306701 - A surgical stapling instrument is disclosed, the instrument having a handle assembly, a body portion having a staple cartridge assembly, and an anvil assembly. The anvil assembly includes an anvil head, an anvil member, an anvil shaft, and a biasing member. The anvil shaft defines a longitudinal axis and the...

Battery powered surgical instrument
11/21/13 - 20130306702 - A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including...

Plication tagging device and method
11/14/13 - 20130299549 - An improvement in a stapling device and method designed to capture a tissue fold between first and second members in the device to staple and cut the fold to form a stapled tissue plication with a hole therein. The improvement includes an engagement assembly in the first member movable from...

Tissue stop for surgical instrument
11/14/13 - 20130299550 - A surgical instrument including a handle assembly, an elongate portion, a pair of opposed jaw members and a tissue stop is disclosed. The elongate portion extends distally from the handle assembly, and the pair of opposed jaw members extend distally from the elongate portion. The pair of opposed jaw members...

Energy stored in spring with controlled release
11/14/13 - 20130299551 - There is provided a surgical instrument including a handle having an elongated tubular member extending distally from the handle and one or more end effectors mounted on the distal end of the elongate tubular member. A driver is movably mounted within the handle and elongate tubular member in order to...

Articulation and firing force mechanisms
11/14/13 - 20130299552 - There is provided a surgical instrument incorporating driving force mechanisms capable of transmitting a driving force through an articulated section of the surgical instrument. In one embodiment, a series of racks connect with a transfer gear to pass forces around the articulated section. In an alternative embodiment a series of...

Circular stapler with controlled tissue compression
11/14/13 - 20130299553 - There are provided torque limiting mechanisms for use in tissue clamping surgical instruments. The torque limiting mechanisms generally include a driven member, engageable with an approximating mechanism of the surgical instruments, and having a driven surface and a driving member having a driving surface engageable with the driven surface of...