33 results about "Surgical anastomosis" patented technology

Apparatus for performing a surgical anastomosis are disclosed. The apparatus include a tubular body having a proximal end and a distal end, an onion sleeve portion formed near the distal end of the tubular body and an inner tube disposed within the tubular body. The inner tube includes at least one pair of longitudinally aligned needle passages formed below the onion sleeve portion of the tubular body. The apparatus further includes at least one needle assembly disposed within the at least one pair of longitudinally aligned needle passages and a firing assembly operatively coupled to the proximal end of the tubular body. The firing assembly is configured and adapted to eject the pair of needles from the apparatus.

Apparatus (100) for performing a surgical anastomosis include a tubular body (102) having an expandable anchor (114) operatively coupled near a distal end thereof. The apparatus further includes a sleeve (104) slidably received about the tubular body. The sleeve has an expandable anchor operatively coupled near a distal end thereof. The expandable anchor of the tubular body has an annular (116) ring concentric with a longitudinal axis defined by the tubular body.

Apparatus for performing a surgical anastomosis include a sleeve, a tubular body (220) configured and adapted to be slidably received within the sleeve, a firing head operatively coupled to a distal end of the tubular body and defining a plurality of needle passages (228), a radially expandable anchor (230) configured and adapted to be received within the distal end of the sleeve, a needle pusher assembly (270) including at least one push rod (272) slidably received within a respective needle passage; a lock collar (250) configured and adapted to be received in the central passage of the anchor and at least one needle anchor (280) slidably received in a respective needle passage.

Topical composition for the treatment of mucosal lesions It relates to a topical composition comprising specific amounts of: a) a hyaluronic acid or a pharmaceutically or veterinary acceptable salt thereof, b) one or more adhesive agents, and c) a non-absorbable antibiotic; to delivery devices comprising it; and to its uses in medicine, in particular, in the treatment and / or prevention of mucosal lesions; in the prevention of postpolypectomy syndrome; as adjuvant therapy to mechanical treatments in gastrointestinal perforations, and as sealant treatment in surgical anastomoses and leaks or fistulas in gastrointestinal tract.

Methods and apparatus for anastomosis of a lumen according to various aspects of the present invention operate in conjunction with an impermeable stent. The impermeable stent may comprise a scaffold and, if needed, a sealant, such as a membrane and / or adhesive. In one embodiment, the scaffold, membrane and / or adhesive comprise biocompatible materials suitable for bio-absorption and / or degradation.

The invention discloses a contractible and telescopic oral conveying staple anvil device, and relates to a surgical anastomosis device. The contractible and telescopic oral conveying staple anvil device comprises a contractible staple anvil, a guiding tube and a controller. The contractible staple anvil is provided with a staple anvil top, at least three contractible sheets and a staple anvil handle, the staple anvil top is connected with the staple anvil handle, and spring grooves and annular anastomat clamp grooves are respectively arranged on backs of the contractible sheets; the staple anvil handle is in the shape of a hollow tube and is provided with at least two telescopic staple anvil handles; control spring holes are arranged at the front end of the staple anvil handle, the tail end of the staple anvil handle is connected with the guiding tube, and a control switch hole is arranged on one side of the rear end of the staple anvil handle; and the controller is provided with control springs, a control lever and a control switch, the control lever is provided with at least two telescopic levers, the control springs are arranged at the front end of the control lever, the control lever is positioned inside the staple anvil handle and controls contraction of the contractible staple anvil, and the control switch is arranged at the tail end of the control lever and penetrates through the control switch hole arranged on the side of the rear end of the staple anvil handle. The contractible and telescopic oral conveying staple anvil device is simple in operation, and possibility of esophageal injury in an operation procedure is greatly reduced.

The present invention provides an apparatus for endoscopic manipulation. The surgical stapling apparatus includes a handle assembly, a shaft assembly extending distally from the handle assembly, and an end effector selectively detachable from the shaft assembly. The end effector includes a first jaw and a second jaw. The first jaw supports a lever that is pivotally movable relative to the first jaw between an extended position and a retracted position. The lever is in contact with the leaf spring, thereby biasing the lever spring to the extended position. The second jaw supports a drive beam that is selectively engageable with the lever to facilitate pivotal movement of the second jaw relative to the first jaw between a non-proximated state and an approximated state. The invention also discloses a power-driven surgical stapling device.

The invention discloses a suture needle asymmetric arrangement method for surgical anastomosis and a surgical anastomat. A first suture needle row comprises a plurality of first suture needles, and a second suture needle row comprises a plurality of second suture needles; on a surface parallel to the first suture needle row, the projection of the central line of the first suture needle at least partially overlaps with the projection of the second suture needle which is nearest to the first suture needle; and on a surface parallel to the second suture needle row, the projection of the central line of the second suture needle at least partially overlaps with the projection of the first suture needle which is nearest to the second suture needle. A needle bin of the anastomat is provided withat least two needle hole rows, wherein the first needle hole row comprises a plurality of first needle hole, and the second needle hole row comprises a plurality of second needle holes; on a surface parallel to the first needle hole row, the projection of the central line of the first needle hole at least partially overlaps with the projection of the second needle hole which is nearest to the first needle hole; and on a surface parallel to the second needle hole row, the projection of the central line of the second needle hole at least partially overlaps with the projection of the first needle hole which is nearest to the second needle hole.

An end effector comprising a mounting portion mounted to a surgical anastomosis device, a first jaw member and a second jaw member extending distally from the mounting portion, and the first jaw member and the second jaw member being able to Engaged drive beam and threaded drive screw. The first jaw member includes a first tissue engaging surface and the second jaw member supports the fastener cartridge. The fastener cartridge includes a second tissue-engaging surface defining a fastener retention slot that supports the fastener. The drive beam includes retaining feet formed from a first material. The retaining foot defines a threaded bore supporting a threaded insert formed from the second material. A threaded drive screw is threadably engaged with the threaded insertion portion and is rotatable to advance the drive beam distally along the threaded drive screw to fire and shape the fastener. The invention also discloses a compound driving beam for surgical anastomosis.

A magnetic ring for helping the surgical anastomose features that a pair of cylindrical magnetic rings is needed for surgical operation, and said magnetic ring has serveral open axial slots on its external circumference surface and symmetrical axial seams for dividing it into two halves. When surgical operation is performed, said two halves are magnetically connected. When the operation is finished, they can be taken away.

A sub-female surgical anastomosis magnetic ring, the sub-ring and the mother ring are oval or circular ring structures, the sub-ring and the mother ring are connected and positioned by more than two buckle structures arranged on the mother ring, A discontinuous groove is formed on the ring surface of the mother ring in contact with the sub-ring, and a pressing slope is formed on the outer periphery of the ring surface. The female ring has an oval or circular female ring sleeve and an oval or circular female magnetic ring made of magnetic material corresponding to the female ring sleeve. The female ring sleeve is a ring U-groove structure, and the female magnetic ring is embedded in the ring In the U-groove structure, the discontinuous groove, the pressing slope and the buckle structure are all formed on the corresponding sleeve surface of the female ring sleeve. The sub-ring has an elliptical or circular sub-ring sleeve and an oval or circular sub-magnetic ring made of magnetic material corresponding to the sub-ring sleeve. The sub-ring sleeve is an annular U-groove structure, and the sub-magnetic ring is embedded in the ring Inside the U-groove structure. The invention can prevent the magnetic force from becoming thinner as the tissue between the magnetic rings heals, and the magnetic rings will fall off prematurely due to the rapid increase of the magnetic force, and prevent the misalignment of the sub-rings and the main rings.

Apparatus for performing a surgical anastomosis include a tubular body having an onion portion formed near the distal end of the tubular body. The apparatus includes a sleeve having a radius sized and dimensioned to slidably receive the tubular body therein. The apparatus includes a plunger assembly sized and dimensioned to be slidably received within the central lumen of the tubular body. The plunger assembly includes a distal end configured and adapted to deploy the onion portion.

The present invention provides a surgical stapling device (stapler). The stapler includes a housing, an elongated member, and a reloader. The staple cartridge is configured to be selectively connected to the first jaw member of the reloader and includes one or more resilient members on the staple cartridge. An anvil operatively supported on the second jaw member of the reloader is configured to compress one or more fasteners ejected from the staple cartridge. The anvil includes one or more locking members thereon. The cutter is configured to translate through the staple cartridge and anvil when the first and second jaw members are in a closed configuration. Engagement between the cutter and the resilient member causes the resilient member to move from an initial configuration that allows the cutter to move distally past the locking member to a final configuration that allows the locking member to engage the cutter.

The invention discloses a medicine for promoting postoperative rehabilitation of facial nerve injury surgical anastomosis, which solves the postoperative rehabilitation problem of facial nerve injury surgical anastomosis. The medicine is characterized by being processed by a plurality of traditional Chinese medicines and comprises following raw materials by weight ratio: 10 to 20 parts of sunglo, 8 to 15 parts of filipendula palmate, 8 to 15 parts of herb of glabrous sarcandra, 6-10 parts of cineraria repanda, 6 to 10 parts of pawpaw, 8 to 15 parts of pangolin, 6 to 10 parts of cimicifugae foetidae, 3 to 6 parts of cassia twig and 3 to 6 parts of lithocholic acid. Clinical trials prove that the medicine for promoting postoperative rehabilitation of facial nerve injury surgical anastomosis has the characteristics of good curative effect and higher safety, and is worth to be clinically applied and popularized.

The invention relates to an anastomat applicable to a magnetic surgical department. The anastomat consists of a gun head and a gun body. The gun head comprises a first magnetic ring, a first magnetic shielding case, an outer connecting shell, an annular cutting edge, a second magnetic ring, a second magnetic shielding case and an inner connecting pipe; the gun body comprises a gun body shell, a cutting propelling device and a thread adjusting device. The first magnetic ring covers the first magnetic shielding case; the outer connecting shell sleeves the first magnetic shielding case and can slide relative to the first magnetic shielding case; the annular cutting edge is arranged on the inner side wall of the first magnetic ring and can slide relative to the first magnetic ring; the second magnetic shielding case covers the second magnetic ring, one end of the inner connecting pipe is provided with a clamping jaw, the other end of the inner connecting pipe is provided with a circular pipe, the inner connecting pipe is installed in a groove in the inner wall of the second magnetic ring through the clamping jaw, the circular pipe can be nested in the annular cutting edge, after the gun body shell is connected with the outer connecting shell, the surplus tissue can be cut by utilizing the cutting propelling device to push the annular cutting edge, the inner connecting pipe is pressed to be separated, the distance between the first magnetic ring and the second magnetic ring is adjusted by utilizing the thread adjusting device, and rapidness, safety and reliability in surgical anastomosis with no foreign matter and stitch remaining in an anastomotic stoma can be realized.