Abstract: An assembly including a positioning tool that includes a probe affixed to a portion of a grasping tool, wherein a distal tip of the probe protrudes distally from the grasping tool a distance corresponding to a position for placing a magnet with the grasping tool.

Abstract: Various embodiments of the present invention provide a conduit device including an attaching device configured for defining a helical pathway through a tissue wall and complementary ring in cooperation for securing the device within an aperture defined in the tissue wall. Some embodiments of the present invention further provide a system for implanting a conduit device in a tissue wall. More specifically, some embodiments provide a system including a coring device for defining an aperture in a tissue by removing and retaining a tissue core and securely implanting a conduit device therein so as to provide fluid communication between a first and second surface of the tissue wall via the conduit device.

Abstract: A method for performing a coronary artery bypass graft procedure on a patient to connect a bypass vessel to a target vessel includes the steps of creating an opening in the patient that communicates with the thoracic cavity of the patient; providing a bypass vessel having a lumen and at least one free end; passing the free end of the bypass vessel from the thoracic cavity through the opening to a position outside the body of the patient; attaching a connector to the free end of bypass vessel while the free end of the bypass vessel is outside the body of the patient; passing the free end of the bypass vessel from the position outside the body of the patient through the opening and into the thoracic cavity; and connecting the free end of the bypass vessel to a target vessel with the connector.

Abstract: Systems and methods for fastening tissue include a hollow element and an elongate insertion element. The insertion element has a delivery device including a cone, suture, and needle at a delivery end, and an anchor at an opposite end. The hollow element includes an engagement structure in its interior surface that permits movement of the insertion element through the hollow element in a first direction, and prevents movement of the insertion element through the hollow element in a second direction opposite the first direction. The engagement structure may include a braid or mesh that operates on a finger-trap principle. The hollow element may include an elongate element with a cone, suture, and needle at a delivery end, and an anchor at an opposite end. Alternatively, the hollow element may include a button that incorporates the braid or mesh.

Abstract: A total aortic arch reconstruction graft, including a first, hollow cylindrical segment in the shape of an aortic arch, a second, hollow cylindrical segment having a first end joined to the second end of the first segment, and a second end adapted to be inserted into the descending aorta of a patient, the second segment having an expandable outer wall covered with an expandable stent, and a collar having a diameter larger than the diameter of said first segment, the collar located at a juncture where the first end of the second segment is joined to the second end of the first segment, with a plurality of separate, non-absorbable double-armed sutures pre-attached to the collar. A surgical procedure for total replacement of a patient's aortic arch is also disclosed.

Abstract: A vascular anastomosis device of an aspect of the presently disclosed subject matter can include: a head portion that is provided on a distal side of an insertion portion and is capable of projecting a joining member and a cutting member from a distal surface thereof; an anvil configured to deform the joining member projecting from the head portion at a position where the anvil faces the distal surface of the head portion; and a connection member that can be installed so as to be able to project from and retract into the head portion. The anvil can be connected to the distal end of the connection member. The connection member can be configured to allow, along an axial direction, a portion thereof to be separated and ends of the remaining portion to be joined together.

Abstract: An anastomotic device, particularly a positioning device (24) extending along a longitudinal axis (30) comprises a first component, or proximal component (26) and a second component, or distal component (28). The proximal and distal components are suitable to lock an elastic ring (52) in a deformed configuration therebetween. The proximal component (26) has a substantially cylindrical outer structure with a cavity (32) for receiving a proximal end (52a) of the elastic ring (52). The distal component (28) comprises a head (42) and a stem (44) developing along the longitudinal axis (30). The head (42) has a cone or truncated-cone shape.

Abstract: A stent and a method for implanting a stent for decompression and anastomosis formation are provided. The stent includes a non-expandable, generally tubular body having a proximal portion and a distal portion, a lumen extending through at least a portion of the body, a distal opening in the distal portion in fluid communication with the lumen and a proximal opening in the proximal portion in fluid communication with the lumen. The stent further includes a first magnetic element positioned on the distal portion of the tubular body and a second magnetic element movably positionable on the proximal portion of the tubular body. The second magnetic element is configured to surround and move over the proximal portion of the tubular body towards the first magnetic element.

Abstract: An implantable device monitors a pressure of fluid within an inflatable portion of a gastric band. The implantable device comprises a tube defining a lumen, and a pressure sensor positioned within at least one of the lumen or the tube. The pressure sensor is configured to sense the pressure of the fluid within the inflatable portion of the gastric band. The pressure sensor is also configured to transmit a pressure signal based on the pressure to a microcontroller, which transmits the pressure signal to a remote control device. The pressure sensor confers strain relief upon at least a portion of the tube, and the pressure sensor shields at least a portion of the tube from puncture by a needle.

Abstract: A method and devices for accomplishing the successful anastomosis of two hollow organ structures are disclosed. The method includes bringing the structures together, applying at least one fastener to hold the structures together and form a connection site, and applying, as alternatives or in conjunction, an adhesive, a wrap and/or a buttress about the connection site. Various examples of fasteners, fastener appliers, adhesives, adhesive initiators and buttress rings also are disclosed.

Abstract: Methods and apparatus for the endoluminal revision of previously performed obesity procedures which have failed are described. One or more endoluminal instruments may be advanced per-orally into the previously formed failed pouch where a number of different procedures can be performed. One or more tissue folds can be formed and secured to reduce the size of the pouch, or the stoma connecting the pouch to the intestinal tract can be reduced in size using endoluminally deployed tissue anchors. These procedures can be performed entirely from within the pouch lumen or upon the exterior surface of the pouch via transgastric entry of the instruments into the peritoneal cavity of a patient. Alternatively, the interior tissue within the pouch can be injured or sclerosed to shrink the pouch lumen. In another alternative, a length of the Roux limb can be shortened endoluminally to create a malabsorptive region.

Abstract: Methods and devices for providing a minimally-invasive placement of a mechanical structure for reducing the volume of a hollow body organ. Anchors may be secured within the hollow body organ and then cinched together using a tensioning member to form a stricture within the hollow body organ. In another embodiment a tensioning member may be threaded along the hollow body organ and then cinched to reduce the volume. The strictures may be placed anywhere within the hollow body organ, and more than one stricture may be formed within the hollow body organ.

Abstract: Prosthetic devices are provided used for anastomosis of extremity with lateral, extremity with extremity and lateral with lateral without clamping and sutureless or with quick clamping sutureless, in which the graft is inserted in at least one of the intraluminal parts of the tubular member of the insertable prosthesis, the flanges including lateral inserts allowing the configuration of different prosthesis sets. The present invention also describes a board of prostheses including one flange with multiple holes through which intraluminal parts or occluders will be inserted, according to the need of the anastomosis to be carried out. The invention also includes prostheses in which the grafts cover only externally their extraluminal parts.

Abstract: A surgical instrument, for forming an anastomosis between first and second lumens in a patient, includes a first catheter, a second catheter, a hollow needle, a guide wire, an inflatable member, and a hollow sleeve. The first catheter includes at least one first opening, which may be configured to slidably receive the hollow needle and the guide wire, which may be disposed within the hollow portion of the needle, and at least one second opening. The hollow needle includes a rotary needle. The inflatable member is mounted near the distal end of the first catheter and is in fluid communication with the second opening. The magnet is polarized such that magnetic attraction occurs perpendicular to an axis of the cylindrical body. The hollow sleeve is configured to retain at least a portion of the inflatable member, the guide wire, the hollow needle, and the magnet.

Abstract: Methods and apparatus for creating an anastomosis or fistula between the gallbladder and an adjacent organ are disclosed. First, a parent magnet, typically a permanent magnet, is deployed in the stomach, small intestine, or another organ adjacent to the gallbladder, and a mating daughter material is deployed in the gallbladder in order to create a magnet-compression anastomosis. The gallbladder may then be ablated or otherwise functionally inactivated through the anastomosis. Another aspect of the invention relates to an all-in-one surgical kit that contains all the necessary specialized tools for a surgeon to perform the procedure.

Abstract: A system for performing vascular surgery includes a first retractor blade and a second retractor blade and a fulcrum device. The first retractor blade includes a first grasping bar, and the second retractor blade comprises a second grasping bar. The first retractor blade and the second retractor blade are adapted to engage opposing edges of a subcostal incision in a patient. The fulcrum device includes a first fulcrum slot and a second fulcrum slot formed through opposing edges of the fulcrum device. The first fulcrum slot is adapted to receive the first grasping bar and the second fulcrum slot is adapted to receive the second grasping bar, such that the fulcrum device is adapted to apply leverage from the first retractor blade and the second retractor blade to spread the edges of the incision and to allow access to a chest cavity of the patient.

Abstract: The present disclosure relates to surgical instruments, structures and methods for enhancing the properties of tissue to be repaired or joined. According to an aspect of the present disclosure, a surgical stapling apparatus is provided including a wound treatment material dispersion system for delivering wound treatment material to a target surgical site. The dispersion system includes an aperture formed in the anvil assembly oriented to dispense wound treatment material in an outward direction; and a source of wound treatment material in fluid communication with the aperture of the anvil assembly.

Abstract: A device for occluding a septal defect is provided. In general, the occluding device has a contracted state that allows the occluding device to be received within a delivery device for deployment to the site of the defect and an expanded state that is achieved when the occluding device is deployed from the delivery device. The occluding device has a proximal portion, which may be substantially circular, a distal portion, which may be substantially ovaloid, and a connecting portion extending between the two. The distal portion may define first and second outer parts at opposite ends of the major axis, which may be bent or curved. The configuration of the proximal and distal portions allow the occluding device to securely engage the septal wall and be kept in position at the septal defect without causing substantial interference with the functioning of adjacent heart structures.

Abstract: A medical instrument includes a first grasping member and a second grasping member that approach and separate from each other, a rotating body that is rotatably installed on a rotation shaft fixed to the first grasping member, an open-close link whose first end is rotatably connected to a first rotation shaft provided on the second grasping member and whose second end is rotatably connected to a second rotation shaft provided on the rotating body at a distance from the rotation shaft, and a manipulating member rotating the rotating body. When the rotating body is rotated in a predetermined direction, the first grasping member and the second grasping member approach each other while the second rotation shaft approaches an imaginary straight line connecting axes of the rotation shaft and the first rotation shaft.

Abstract: A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a cartridge when in an open position. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The cartridge further receives a matrix including glue beads suspended in the matrix. The staples are driven through the matrix to secure the matrix to tissue. The glue beads are activated when the matrix is secured to the tissue, such that the activated adhesive further secures the staple line in the tissue.

Abstract: The invention is an implantable magnetic anastomosis device having an exoskeleton that directs self-assembly. The design allows the device to be delivered in a linear configuration using a minimally-invasive technique, such as endoscopy or laparoscopy, whereupon the device self-assembles into, e.g., a polygon. A coupled set of polygons define a circumscribed tissue that can be perforated, or the tissue can be allowed to naturally necrose and perforate. The device can be used to create anastomoses in a variety of tissues, such as tissues found in the gastrointestinal, renal/urinary, and reproductive tracts. New procedures for using anastomoses, e.g., surgical bypass are also disclosed.

Abstract: A device for producing anastomoses between a first hollow organ and a second hollow organ including a sheath and an adhesive applicator that can be positioned next to the sheath in order to apply an adhesive to the adhesive bonding section. A method for producing anastomoses between a first hollow organ and a second hollow organ includes folding the first hollow organ over a sheath, positioning the second hollow organ over the first hollow organ, producing a first connection between the hollow organs by applying a high frequency (RF) voltage, and producing a second connection between the hollow organs by applying a tissue adhesive.

Abstract: 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 device, with at least a part of said flexible portion between them. The parts of the stapling device are in correct working relationship when one or more alignment and/or locking pins or screws that are stored in one of the staple firing portions or one of the anvil portions are extended and engage and lock or screw into receptacles that have been provided on the other of the staple firing portion or of the anvil portion.

Abstract: A vascular closure device includes both a mechanical component and a biological component for sealing an arteriotomy. The mechanical component reduces the size or closes the arteriotomy. The biological component covers and fills any spaces or cracks present after the arteriotomy has been mechanically reduced in size. An exemplary embodiment includes a suture or clip to approximate the edges of the arteriotomy, and a smooth rounded plug is advanced along the suture towards the closed arteriotomy. In situ, the plug transforms to a flowable or gel state and fills and covers any cracks and spaces along the closed arteriotomy.

Abstract: Surgical instruments and procedures for performing a circular anastomosis of a tubular organ. The surgical instruments may include selectively deployable tissue acquisition members configured to puncture through a portion of the tubular organ and position the portion of the organ adjacent to a fastener face of a staple cartridge supported in the instrument. At least one cutting member may be radially deployed and rotated to sever the positioned portion of organ from a distal portion of the organ. An anvil may be employed to draw another portion of the organ adjacent to the portion of organ positioned adjacent to the fastener face of the staple cartridge. The staples may then be deployed through the adjacent portions of organ and an annular knife may be advanced through the adjacent organ portions to complete the anastomosis.

Abstract: Surgical instruments are disclosed. Various non-limiting embodiments may include an elongated shaft that has a distal end portion that is configured to operably support a circular staple cartridge therein. A tissue acquisition shaft may be rotatably supported within said elongated shaft and have a distal portion that protrudes distally beyond the distal end portion of the elongated shaft. At least one tissue acquisition member may be pivotally attached to the distal end portion of the tissue acquisition shaft such that the tissue acquisition members are selectively pivotable from a retracted position to deployed positions upon application of a deployment motion thereto. A rotatable cutting member may be operably supported adjacent to the tissue acquisition member and being selectively rotatable about the central axis upon application of a cutting actuation motion thereto.

Abstract: This invention provides an improved method for connecting a conduit to a hollow organ/structure and a unique device consisting of an expandable metallic mesh and a bio-compatible graft material.

Abstract: The present invention, the ASD, is a mechanical device for anchoring hollow tube-like structures in the human body, such as blood vessels and ureters. It facilates positioning needles or catheters in blood vessels and it prevents those from dropping out of the vessel or from “wandering off” in the vessel. The ASD can be used in every interventional medical situation for diagnostic or therapeutic purposes. The ASD is very easy to fix onto the vessel wall. Screwing is a fast technique saving operating time and requiring only basic microsurgical skills. The manufacturing is easy. It should be understood that the foregoing is illustrative and nor limiting, and that modifications may be made by those skilled in the art, without departing from the scope of the invention.

Abstract: The present invention relates to a device for intermittently obstructing a bodily opening, such as a gastric opening, and includes a proximal member connected to a distal member by a tether. The proximal member includes an apron member surrounding a first occluding member, which is formable from an elongated and narrower configuration to a contracted or expanded but wider configuration. When employed in the stomach, the device of the present invention is arranged transluminally, with the distal member disposed in the duodenum and the proximal member disposed against the pyloric valve, intermittently occluding the pyloric valve and preventing or delaying the flow of gastric contents through the pyloric valve. In certain embodiments, a reservoir may be included for releasing a substance of interest, for example for releasing insulin from a reservoir disposed in the distal member. Sensors, actuators, and data transmission devices may also be included.

Abstract: A bypass device for influencing blood pressure, including an implant with a volumetric chamber, having a connector or connecting means for connecting the volumetric chamber to a natural cardiovascular system, and having an adaptor or adaptation means, by which a change in volume of a volume of the volumetric chamber is enabled or effected upon a pressure change in the cardiovascular system or in the volumetric chamber. According to this invention, a change in volume in a lower pressure range between 50 mmHg and a pressure threshold value amounting to at least 100 mmHg amounts to at most 10 cm3, and in an upper pressure range between the pressure threshold value and 150 mmHg amounts to at least 10 cm3. With the device according to this invention, high blood pressure can be reduced in a carefully directed way.

Abstract: The present invention relates to an anastomotic device (10) comprising a first ring (20) having a first contact surface (21) and a second ring (30) having a second contact surface (31). The rings (20, 30) are suitable to be approached in the axial direction (X) such as to move said contact surfaces (21; 31) towards each other. The anastomotic device is characterized in that the contact surfaces (21, 31) have an undulated shape relative to a plane (?) perpendicular to the axis (X) of the rings (20, 30). According to another aspect thereof, the invention also relates to an apparatus (60) for the implantation of the anastomotic device (10). According to a further aspect thereof, the invention relates to a kit comprising an anastomotic device (10) and an apparatus (60) for the implantation of the same.

Abstract: The present disclosure is directed to devices for approximating body vessels and method for performing the same. In accordance with one aspect of the present disclosure, the device includes an inner member having a first expandable anchor operatively coupled near a distal end thereof, an outer member having a second expandable anchor, and a sleeve disposed about at least a portion of the inner member and the outer member.

Abstract: The present disclosure is directed to devices for approximating body vessels and method for performing the same. In accordance with one aspect of the present disclosure, the device includes an inner member having a first expandable anchor operatively coupled near a distal end thereof, an outer member having a second expandable anchor, and a sleeve disposed about at least a portion of the inner member and the outer member.

Abstract: Methods and apparatus for making an anastomotic connection between an opening at an end of a graft conduit and an aperture in a side wall of a body tissue conduit using a hollow connector assembly are provided, wherein the cross-sectional area of the anastomotic connection is larger than that of the graft conduit. The tissue about the opening is introduced about and retained by first members of a distal portion of the connector assembly held by a loading tool. A delivery tool then collapses a proximal portion defined by second members of the connector assembly and delivers the second members into the lumen of the body tissue conduit via the aperture. Upon inserting the second members into the body tissue conduit, the delivery tool is disemployed and the second members expand such that they press against the interior wall of the body tissue conduit and such that the first members are held within the aperture against a medial wall of the body tissue conduit.

Abstract: A system for performing anastomosis includes a plurality of staples, an annular staple support having structure for holding the staples, and a staple closing device for closing the staples to secure the canal ends together. A method for performing anastomosis and staples for performing anastomosis are also disclosed.

Abstract: Provided is an anastomosis device including a first head holding a first anastomosis ring, a second head holding a second anastomosis ring, a first guide bar connected to the first head and switching a release position and a standby position to each other, wherein the first guide bar includes a first rotation groove, a second guide bar connected to the second head and switching the release position and the standby position to each other, wherein the second guide bar includes a second rotation groove, and a rotation driver moving approximately in a parallel direction to the first and second guide bars and including a first guide protrusion and a second guide protrusion, which move along the first and second rotation grooves, respectively.

Abstract: A connector for joining a first hollow structure to the side wall of a second hollow structure, the connector comprising a first component comprising an inner collar; a hollow body; and a graft mounted to the inner collar and forming a conduit through the hollow body and the inner collar; and a second component comprising an outer collar and a hollow body, the hollow body of the second component being sized for coaxial disposition over the hollow body of the first component so that the outer collar of the second component can be adjustably positioned relative to the inner collar of the first component and so that the conduit of the graft provides fluid communication between (i) the region beyond the inner collar, and (ii) the region beyond the hollow body of the first component.

Abstract: Disclosed is a medical device for shaping a vessel accommodated therein in a predetermined form, wherein said vessel includes a vein and an artery which are connected at a artifactual vascular junction thereof. The device includes an external vascular support (100) having at least one vascular support wall for accommodating an exterior vessel wall of a vessel therein when implanted. The support includes an arterial portion (1304) for apposition with said artery when accommodated therein, and/or a venous portion (1302) for apposition with said vein when accommodated therein. The venous portion (1302) and/or said arterial portion (1304) are shaped at a junction thereof to provide a vessel rounding to at least a portion of said vessel junction when in apposition with the latter upon implantation of said device for said vessel shaping. Corresponding methods are also disclosed. Thus dysfunction or failure of a vessel of the artifactual vascular junction may be reduced, minimized, or eliminated.

Abstract: Apparatus and methods for endoscopic colectomy are described herein. A colectomy device having a first and a second tissue approximation device is mounted on a colonoscope separated from one another. During deployment of the colectomy device, a diseased portion of the colon is positioned inbetween the tissue approximation devices. The tissue approximation devices are radially expanded such that they contact and grasp the colon wall at two sites adjacent to the diseased portion of the colon. The diseased portion is separated from the omentum and is transected using a laparoscope or is drawn into the colonoscope for later removal. The tissue approximation devices are then urged towards one another over the colonoscope to approximate the two free edges of the colon into contact together where they are fastened to one another using the tissue approximation device as a surgical stapler to create an end-to-end anastomosis.

Abstract: Disclosed are devices and methods suitable for application of a curable fluid composition to a bodily organ, such as to a lower portion of a bodily organ. The device comprises a monolithic piece of material having a lower surface, two spaced-apart sides, and two spaced-apart walls connecting the two spaced-apart sides. A receptacle for containing the curable fluid composition is defined by the lower surface, the two sides, and the two walls. At least a portion of the height of the two walls is less than the height of at least a portion of the two sides. The device is deployable underneath the bodily organ such that a lower portion of the bodily organ is supported by at least a portion of each of the two walls.

Abstract: Described are methods and devices relating to reconnecting the urethra and bladder after a radical prostatectomy, wherein the devices incorporate tissue approximating structure to maintain contact between a severed bladder neck tissue and a severed urethral stump tissue, preferably without the use of sutures.

Abstract: A power management system provides wireless power to operate components of a remotely adjustable gastric banding system. The power management system comprises an external power component transmitting power, and an implantable power management component receiving power and converting the power for use in powering one or more components of the remotely adjustable gastric banding system, such as a pump. The internal power management component and the external power component may be tunable. By utilizing the power management system, implantable batteries may be eliminated.

Abstract: An anastomosis procedure utilizes a self-retaining suture to secure one vessel to another vessel. One or more self-retaining sutures are deployed around the interface between the vessels. The self-retaining sutures have tissue-grasping surface features which allow passage of the sutures in one direction through tissue, but not in the opposite direction. The self-retaining sutures may be deployed using a needle attached to the end of the sutures. The anastomosis technique may be performed without using knots.

Abstract: The present disclosure relates to a surgical fastener including a backspan with a first and second legs depending from each opposed end of the backspan and at least one pulse generating layer coupled to a portion of the fastener. The pulse generating layer may be coupled to a portion of the first and second legs, a portion of the backspan of the fastener, or the entire surgical fastener. The fastener may include a titanium and/or silver material. The fastener may include a first and second pulse generating layers with a dielectric portion separating the first and second pulse generating layers. The pulse generating layer may be a nanomaterial capable of embedding battery and capacitor technology to deliver a low amperage pulsed current.

Abstract: A gastric reduction pouch of a stomach is formed by gathering stomach tissue circumferentially from within the stomach to form a reduced diameter stomach section. A plurality of fasteners are deployed within the gathered stomach tissue to maintain the reduced diameter stomach portion. The gathering step may include folding the stomach tissue to produce a plurality of stomach tissue folds. A device is disclosed that is particularly adapted to permit such gastric reduction of a previously formed gastric reduction pouch.

Abstract: A method for suturing a perforation comprises the steps of: observing an area around the perforation from an inside of a hollow organ by an observation device inserted from a natural opening of a living body; observing the area around the perforation from a body cavity side of the hollow organ by an observation device inserted from the natural opening of the living body; thrusting a needle of a suture unit inserted from the natural opening of the living body into a tissue around the perforation of the hollow organ to make a suture thread puncture the tissue via the needle; and closing the perforation by tightening up the suture thread puncturing the tissue.

Abstract: A device for assisting in a vascular procedure is provided that includes a handle and one or more legs that are operable to move in response to a force being applied to the handle. The legs are operable to extend and to contract in order to manipulate a conduit. In a more particular embodiment, the device can be used in conjunction with a stand operable to receive the conduit such that the conduit can be removed from the stand by the device. The stand may include one or more graduations that indicate the size of the conduit once it is positioned on the stand.

Abstract: The present invention provides devices for closing septal defects, such as a patent foramen ovale (PFO). The closure devices include a proximal anchor member, a distal anchor member, and at least one flexible center joint connecting the two anchor members. According to some embodiments, the proximal and/or distal anchor members may include a generally cylindrical member split along the central portion of its length to form an elongate oval. The proximal and/or distal anchor members may further include a tissue scaffold. At least some of the closure devices according to the present invention are repositionable and retrievable.

Abstract: 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 (6) is slidingly inserted, at the end (7) of which an anvil (8; 8?) is fixed. One or more annular grooves (11), which are parallel and suitably spaced one from the other, are formed on the lateral surface of the rod (6) perpendicularly to the axis thereof. Said grooves (11) are intended to receive a portion of mucosa (9a) which is included in a purse string suture as the mucosa is tied around the rod (6). By retracting the rod (6) in the central hole (5) of the stem (2a) of the internal goblet-shaped body (2) the mucosa to be removed is carried into the internal goblet-shaped body (2).

Abstract: 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 to the chambers between a first position, in which the staples are trapped by the sleeve within the chambers in the straightened configuration, and a second position, whereby the staples are freed to adopt the deployed configuration, wherein the sleeve is adapted to move between the first and second positions by rotating relative to the chambers.