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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



Surgical stapling apparatus with control features operable with one hand
05/28/15 - 20150144678 - 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...

Surgical instruments employing sensors
05/14/15 - 20150129631 - 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...

Anvil assemblies with collapsible frames for circular staplers
05/07/15 - 20150122869 - Circular stapling instruments and anvil assemblies. The anvil assemblies may have collapsible anvil support members that may be inserted through an opening in a patient and then expanded to be attached to an anvil plate assembly that has a staple-forming surface thereon. The anvil support member is attachable to the...

Therapy delivery device for anastomotic joining of tissue
04/30/15 - 20150115014 - The present invention relates to circular anastomosis stapler kits that deliver a therapeutic agent followed by stapling of tissue. Each device has a stapling head with a shaft extending from said stapling head and a removable anvil and an interchangeable delivery head for delivering a therapeutic agent into the tissue....

Articulatable surgical device
04/02/15 - 20150090759 - Methods and devices are provided for controlling movement of a working end of a surgical device. In one embodiment, methods and devices are provided for moving an end effector on a distal end of a surgical fastening device. Movement can include rotational movement of the end effector about an axis...

Surgical stapler with rotary cam drive and return
03/26/15 - 20150083772 - A surgical circular stapler has a body, shaft, a stapling assembly, a motor, a cam assembly, and a firing assembly. The shaft extends distally from the body. The stapling assembly is secured to a distal end of the shaft. Longitudinal translation of the firing assembly causes the stapling assembly to...

Surgical stapling instrument with drive assembly having toggle features
03/26/15 - 20150083773 - An apparatus includes an end effector, a shaft assembly including a translating drive member, and a drive assembly. The end effector includes a distally advancing cutting member and staple driver. The translating drive member is operable to actuate the end effector. The drive assembly is in communication with the translating...

Control features for motorized surgical stapling instrument
03/26/15 - 20150083774 - An apparatus includes a body, a motorized end effector, and a control system. The end effector extends distally from the body and comprises a stapling assembly operable to drive staples into tissue. The control system is in communication with the end effector. The control system comprises a motor, a firing...

Surgical stapler with rotary cam drive
03/26/15 - 20150083775 - A surgical circular stapler has a handle assembly, a shaft, a stapling assembly, a motor, a drive assembly, and a firing assembly. The shaft extends distally from the handle assembly. The stapling assembly is secured to a distal end of the shaft. Longitudinal translation of the firing assembly causes the...

Guide tip introducer and method to create thereof
03/26/15 - 20150083776 - A guide tip introducer is provided as a compatible attachment for a wide range endoscopic staplers of different makes and models. The guide tip introducer mounts to the anvil of an existing endoscopic stapler in order to facilitate the positioning of the stapler beneath a target structure, reducing the amount...

Handle for electric surgical stapler
03/26/15 - 20150083777 - A handle for an electric surgical stapler. The electric surgical stapler includes an end effector. The handle includes a casing, a linear motor, a power transmission mechanism, and a quick change interface. The linear motor is disposed in the casing and configured to supply linear motion. The power transmission mechanism...

Adapter direct drive with manual retraction, lockout, and connection mechanisms for improper use prevention
03/19/15 - 20150076205 - A surgical device adapter for coupling an end effector to a handle assembly is provided. The surgical device adapter includes a housing and a drive mechanism disposed within the housing and couplable to the handle assembly and the end effector. The surgical device adapter also includes a drive coupling assembly...

Anvil assembly with sliding sleeve
03/12/15 - 20150069108 - An anvil assembly is provided. The anvil assembly includes an anvil center rod, a head assembly pivotally secured to the anvil center rod assembly from an operative position to a tilted position, and a sleeve slidably disposed about the anvil center rod. The sleeve is associated with the head assembly...

Hand held electromechanical surgical handle assembly for use with surgical end effectors, and methods of use
03/05/15 - 20150060516 - The present disclosure relates to hand held electromechanical powered surgical handle assemblies for use with surgical end effectors capable of clamping, cutting and/or stapling tissue and methods of use thereof. The surgical device includes a handle assembly and a drive unit assembly removably and selectively connectable to a selected first...

End effector detection systems for surgical instruments
02/26/15 - 20150053737 - A surgical instrument system can comprise a surgical instrument, a first end effector, and a second end effector, wherein the end effectors are attachable to the surgical instrument. The first end effector can comprise a first set of stored data pertaining to the first end effector, wherein the surgical instrument...

Shroud retention arrangement for sterilizable surgical instruments
02/26/15 - 20150053738 - A surgical instrument comprises a shaft, an end effector extending distally from the shaft, and a housing extending proximally from the shaft. The housing comprises a first shroud portion, a second shroud portion, a working assembly nested in the first shroud portion, wherein the working assembly is detachable from the...

Articulating surgical stapling instrument incorporating a two-piece e-beam firing mechanism
02/12/15 - 20150041518 - 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...

Tilt top anvil with torsion spring
02/12/15 - 20150041519 - 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...

Surgical instrument
02/05/15 - 20150034694 - A surgical instrument is disclosed. The surgical instrument includes a handle assembly, a body, a tool assembly and an articulation assembly. The articulation mechanism includes a receptacle, and a main shaft. A lower clutch is fixedly positioned within the receptacle and has a serrated portion including a plurality of serrations....

Stapler for mucosectomy
01/29/15 - 20150028079 - The head of a stapler for mucosectomy comprises an external goblet-shaped body (1) wherein an internal goblet-shaped body (2) is concentrically and slidingly located, at the edge of which a circular blade (3) is fixed. The internal goblet-shaped body (2) is provided with a central hole (5) wherein a rod...

Tissue stop for surgical instrument
01/08/15 - 20150008247 - A surgical instrument for surgically joining a tissue includes a handle assembly, an elongate portion extending distally from the handle assembly, a pair of opposed jaw members, and a tissue stop. The tissue stop is mechanically engaged with a first jaw member and is configured to retain the tissue between...

Articulating apparatus for endoscopic procedures with timing system
01/01/15 - 20150001272 - According to an aspect of the present disclosure, an endoscopic surgical device is provided. The surgical device includes a handle assembly including a drive mechanism actuatable by a trigger; and an endoscopic assembly including a proximal end portion extending from the handle assembly; a distal end portion pivotably connected to...

Surgical device
12/25/14 - 20140374463 - A surgical device includes a first jaw and a second jaw moveable relative to the first jaw between a first position, in which the first and second jaws are aligned within a plane, and a second position, in which the second jaw is in non-parallel correspondence to the plane. The...

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...