597 results about "Anastomosis coupler" patented technology

The present invention is directed to a circular anastomosis surgical stapler and methods of use. The circular anastomosis surgical stapler includes an operator control assembly, a tubular shaft having a distal end that is associated with a head portion, and an actuating head portion. The actuating head portion includes a detachable anvil portion with an axially extending stem portion. The anvil portion is engagable with the remainder of the head portion, which receives an array of staples. The head portion also includes an associated stapling portion with a stapling mechanism for firing an array of staples against the anvil portion. The anvil portion and the head portion matingly engage along a mating edge. The mating edge is defined by locations around the stem portion spaced from a particular position on the axis of the stem portion at axially and / or radially varying distances.

Apparatus for intratubular intussusception and anastomosis of a hollow organ portion including a cylindrical enclosure, coaxial intratubular intussusception device, for intussusception and clamping means. The apparatus also includes an intratubular anastomosis apparatus for joining organ portions after intussusception thereof with an anastomosis ring and crimping support element. The ring is formed of a shape memory alloy wire, for crimping adjacent organ portions against the crimping support element so as to cause anastomosis therebetween. The ring assumes a plastic or malleable state, at a lower temperature and an elastic state at a higher temperature. The apparatus further includes the crimping support element for intratubular insertion so as to provide a support for crimping the organ portions against the support element. The apparatus additionally includes a surgical excising means, for excising an intussuscepted organ portion, after crimping adjacent intussuscepted organ walls against the crimping support element with the anastomosis ring.

The present invention relates to a stapler apparatus, comprising a stapler having a proximal end, a distal end and a longitudinal axis, the stapler further comprising a trigger, an anvil docking pin aligned substantially parallel with the longitudinal axis of the stapler, and a stapling means, the anvil docking pin and stapling means being at the distal end of the stapler, and a detachable anvil, comprising an anvil head and an anvil shaft, wherein the anvil shaft is adapted to receive the anvil docking pin and operation of the trigger causes the stapling means to be actuated, characterised in that the length of the anvil shaft is at least 4 cm. The present invention also relates to a method of forming an anastomosis between two surfaces using the stapler apparatus of the invention and a method of forming a stoma trephine in a subject using the stapler apparatus of the invention. The present invention further relates to the use of the stapler apparatus or anvil for a stapler apparatus in such methods and a kit of parts comprising the stapler apparatus of the invention and additional components.

An anastomosis device. In one embodiment, the device includes a base member having a first end, a second end, and a body portion with a length defined between the first end and the second end. The body portion is formed with a first edge portion and a second edge portion, where the first edge portion and the second edge portion are apart from each other and defines a recess therebetween and an opening thereof. The device further include a stent member having a substantially tubular body with a longitudinal axis, A, and a lumen defined by the substantially tubular body, and projecting away from the base member such that to form an angle, α, between the base member and the longitudinal axis A of the substantially tubular body, where the lumen of the stent member is in fluid communication with the recess of the base member through the opening.

The invention relates to the field of surgical medical appliances, in particular to a linear cutting anastomat with double security mechanisms, which can be used for surgical sewing and cutting while loading linear cutting elements. The linear cutting anastomat comprises a closing security mechanism, a triggering security mechanism, a left side plate, a partition plate, a driving plate, a liner, a right side plate, a shell, a closing handle, a triggering handle component, a left support plate and a right support plate; the linear cutting anastomat can load or unload the linear cutting elements; the closing security mechanism comprises a push button, an ejector pin seat, a first pin, a closing security component, a torsional spring and an ejector pin; the closing security component is connected with the torsional spring via the first pin, and a hook on the closing security component stops movement of the partition plate by the aid of torsion of the torsional spring; the triggering security mechanism comprises a spring, a second pin and a triggering security block; and the triggering security block is connected with the spring via the second pin, and a hook on the triggering security block stops movement of the driving plate by the aid of spring force of the spring.

The invention relates to a disposable prepuce anastomat and belongs to the field of medical apparatus and instruments. The disposable prepuce anastomat is particularly suitable for conducting prepuce cutting and anastomotic surgery for the males due to redundant prepuce or phimosis. The anastomat comprises a butt nail base component transmission device, a nail bin fixing device, a push piece transmission device, a push piece reset spring, a cutting indicating device, a fixed handle and a movable handle; the butt nail component transmission device comprises a balanus cover, a pad knife ring, a screw rod, an adjusting nut, an adjusting nut blank cap and an adjusting nut pin; the nail bin fixing device comprises a nail bin, a nail bin sleeve and a nail bin sleeve pin; the push piece transmission device comprises an annular knife, a push piece, a push piece pushing base, connection blocks, a transmission block, a safety block, a handle connection part and a handle connection pin; the push piece is mounted in the nail bin sleeve, the push piece reset spring is arranged on the back of the push piece in a sleeving mode, the front end of the push piece reset spring abuts against the interior of the nail bin sleeve, and the back end of the push piece reset spring abuts against the front end of the push piece pushing device; the cutting indication device comprises a visual window, a pointer and a pointer spring.

A surgical instrument for creating an anastomosis includes a housing, a handle extending from the housing and a fastener support member extending distally from the housing. The fastener support member is configured and dimensioned to releasably support a plurality of surgical fasteners. The instrument further includes a tissue retaining mechanism which is selectively movable from a first position relative to the fastener support member to a second position in closer proximity with the fastener support member such that tissue disposed adjacent to the fastener support member is retained thereagainst. Upon actuation of the handle, a fastener firing mechanism simultaneously deforms the plurality of surgical fasteners to complete the anastomosis.

The invention provides an extra-cavity anastomotic method. The extra-cavity anastomotic method includes enabling two broken ends of a hollow organ to be anastomotic to penetrate from intermediate through holes from a nail bin and a base relatively and reversely overturning outwards to expose the anastomotic positions of the two broken ends, sewing the anastomotic positions of the two broken ends by sewing nails and excising the residual ectropion part of the hollow organ by a rotary cutter. The invention further provides an ectropion type extra-cavity anastomat. An outer casing is a three-way pipe, a nail bin is fixed in a nail bin connecting pipe, the base and the nail bin are coaxially and relatively arranged, and the axes of the nail bin and the base are parallel to the axis of a base connecting pipe; the nail bin and the base are annular, a ring cutter is mounted in the nail bin and embedded in the end face of the nail bin and can axially move in the nail bin, and the end face of the base is provided with a ring slot matched with the ring cutter. The nail bin and the base are not coaxial with the outer casing, the two broken ends of the hollow organ to be anastomotic conveniently penetrate the intermediate through holes of the nail bin and the base, and extra-cavity anastomosis is realized.

The invention provides an electric push percussion device for percussing anastomat and the electric anastomat. The electric push percussion device comprises a handle assembly, a shaft assembly extending distally from the handle assembly, and an end effector arranged at the distal section of the shaft assembly. The handle assembly includes an electric drive assembly, a closing assembly, a percussion assembly and a toggle assembly. The electric drive assembly can electrically drive the closing assembly and the percussion assembly to clamp, cut and suture tissue. The handle assembly also includesa gear mechanism, and can realize single-motor control on the closing and percussion actions of the electric anastomat. The end effector includes a nail propping seat and a nail bin. The toggle assembly realizes switching between closing and percussion actions. The invention also provides a cam structure connected to the electric drive assembly. The electric drive assembly uses longitudinal forcegenerated by rotation of the cam structure to drive the percussion assembly.

The invention relates to an endoscopic anastomat, comprising an adapter, staple magazine components and a control system. The adapter comprises a main housing, a rotary housing, a recognition push rod, a recognition connector, a recognizer and a photoelectric switch; the recognizer is provided with a grating. The staple magazine component is mounted on the adapter and pushes the recognition push rod to move; the recognition push rod pushes the recognition connector to move; the recognition connector pushes the recognizer to move. The staple magazine components having different suturing lengthshave different tail lengths and can be mounted on the adapter to push the recognition push rod to move by different distances. The photoelectric switch recognizes the grating on the recognizer and provides a recognition signal to the control system; the control system judges suturing lengths of the staple magazine components according to the recognition signal of the photoelectric switch. The endoscopic anastomat can recognize suturing lengths of the staple magazine components. Medical staff can confirm whether the installed staple magazine component is correct according to recognition results of the control system.

The invention discloses an electric anastomat and a control system thereof. The electric anastomat comprises an assembly recognition module, a position detection module and a control module, wherein the assembly recognition module is used for generating an effective signal of recognition when a cutting assembly is normally connected with an anastomat body; the position detection module is used forgenerating an effective signal of an initial point when the cutting assembly moves to the initial point; the control module is used for controlling the cutting assembly to execute cutting anastomosisoperation according to a first triggering signal output by a triggering switch after receiving the effective signal of recognition and the effective signal of the initial point. According to the electric anastomat and the control system thereof, whether the cutting assembly is normally connected with the anastomat body or not is judged through the assembly recognition module, whether the cuttingassembly reaches the initial position of a cutting stroke or not is judged through the position detection module, and the control module can respond to the first triggering signal output by the triggering switch after receiving the effective signals output by the assembly recognition module and the position detection module, so that misoperation or instrument damage caused by the triggering actionwhich is implemented under the condition that the cutting assembly is not installed or not correctly installed is prevented.

The invention discloses a disposable arc cutting anastomat. The disposable arc cutting anastomat comprises an anastomat body, wherein a connecting block is arranged at one end of the anastomat body, apush rod is connected to the connecting block through a guide sleeve, an arc splint is fixed to one end of the connecting block, a nail propping seat is welded and fixed to one end of the upper surface of the arc splint, and a positioning nail bin is arranged at the other end of the arc splint; and a handle is arranged on the lower surface of one end of the anastomat body, a firing rod is arranged on the lower surface of the anastomat body, and a rotating plate is connected to the front surface of the handle through a rotating rod. Through the arrangement of the rotating plate, a sliding block, a spacing slot, a second spacing block, a first spacing block and a mounting block, the situation that the firing rod is pulled by mistake to cause movement of a positioning pin in the positioningnail bin can be avoided, and increase of the use safety of the equipment is facilitated; and through the arrangement of a protection silica gel block, a groove and a clamping block, the surface of oneside of the nail propping seat is convenient to cover, and the situation that the surface of one side of the nail propping seat is directly exposed to air to be susceptible to outside bacteriologicalcontamination can be avoided.

The invention provides a magnetic force compressing anastomosis ring, comprising a pair of magnetic rings respectively accommodated in the fractured ends of two tissues to be anastomosed, wherein the two magnetic rings are sucked to tightly clamp the free margins of the fractured ends of the two tissues to be anastomosed. The two magnetic rings of the magnetic force compressing anastomosis ring are respectively placed in the fractured ends of the stomach (intestine), and pressure is tightly applied to the two fractured ends to realize anastomosis under the action of magnetic force, so that occlusion tissues are gradually necrotic because of ischemia, meanwhile, occlusion tissues at fractured ends of the stomach (intestine) gradually heal up through an inflammatory reparative process. Along with the gradual necrosis of the occlusion tissues, the two rings are close to each other gradually, and the magnetic force is further enhanced, so that tight anastomosis is maintained, and the necrosis of the occlusion tissues is sped up. The anastomosis is firm and tight, the operation is simple, the healing process is quick, scars are small, surfaces of wound are smooth, and the gastrointestinal cavity is unobstructed. The anastomosis ring can effectively reduce complications after anastomosis operation such as anastomosis leakage, stenosis and the like, and can guarantee good alimentary tract function after operation, thus being the most advanced alimentary tract anastomosis machinery at present.

The invention relates to an accurate closed space indicating device for an anastomat and a stitching instrument and an indication method of the indicating device, which are suitable for the anastomat and the stitching instrument. The indicating device comprises a support, a screw compartment, a nail compartment support, a support guiding pin, a casing, an indicating label, a support positioning hole, an indicating block, an indicating block pointer, a knob, an adjusting lead screw and a fixed handle, wherein the indicating block is mounted in the nail compartment support, the nail compartment is mounted at the front part of the nail compartment support; the adjusting lead screw is mounted at the rear part of the nail compartment support; the knob is mounted at the rear part of the adjusting lead screw; the nail compartment support is positioned into the support through the support guiding pin; the support positioning hole is formed on the support; the support is fixed with the casing; an indicating window is arranged on the casing; and the casing is matched and fixed with the fixed handle. At the time of closing, the fixed handle is held, the knob is rotated to drive the adjusting lead screw, the adjusting lead screw drives the nail compartment support to be closed toward the front part of the support, the nail compartment support drives the indicating block to slide in the support, the front part of the nail compartment support is closed, and the indicating block pointer accurately points to the closing scale line of the indicating window on the indicating window.

Aiming at the defects of the conventional tendon rupture repair process, the invention discloses a material for making a tendon anastomat, the tendon anastomat made of the material and a making method of the tendon anastomat. The material consists of 69 to 90 percent of polylactic acid, 8 to 30 percent of polycaprolactone and 0.5 to 2 percent of silicon oil and is prepared by adopting a melt blending modification technology; and the tendon anastomat is manufactured by adopting an injection molding technology. The invention also discloses the tendon anastomat. When the tendon repair operation is implemented, only the ruptured tendons are butted, the anastomat is wrapped at the joint of the ruptured tendons, the tendons are locked by using a self-locking mechanism, and the tendon repair operation can be completed. The tendon anastomat has the advantages of quick butting, efficient fixation, low tensile stress of tendon fractures, immediate exercise after the operation and the like, and can effectively improve the clinical operation efficiency, reduce the tendon adhesion risk and improve the treatment effect.

The invention relates to a nail cartridge base of a disposable intracavity incision anastomat. The nail cartridge base is a matched device of the disposable intracavity incision anastomat for arranging lines on the intracavity tissue and is provided with a circular-arc-shaped nail cartridge base body, wherein a nail cartridge installing groove is arranged on the inner side of the circular-arc-shaped nail cartridge base body. A cutting blade sliding groove is arranged on the circular arc face of the circular-arc-shaped nail cartridge base body, a cutting tool apron sliding groove is arranged on the outer side of the cutting blade sliding groove, nail cartridge fixing grooves are arranged on two sides of the circular-arc-shaped nail cartridge base body, a nail abutting-against seat positioning pin hole is arranged at the back end of the circular-arc-shaped nail cartridge base body, and nail abutting-against seat installing and positioning platforms are arranged on two sides of the back end of the circular-arc-shaped nail cartridge base body. A nail cartridge base locking step is arranged at the back end of the cutting tool apron sliding groove. Due to the fact that the nail cartridge base adopts the circular-arc-shaped nail cartridge base body, two side faces of the back portion of the nail cartridge base are provided with the nail abutting-against seat installing and positioning platforms, two side faces of a nail abutting-against seat and two side faces of the nail cartridge base are smooth, a puncture outfit sealing ring is not damaged by a cutting tool apron in the osculating tissue using process, and an osculating operation is ensured to be performed smoothly.

The invention provides an automatic elastic thread hemorrhoid ligation anastomat, which comprises a gun barrel assembly, a gun body, a percussion tangent gear shifting device, an elastic thread tightening device, a quick connecting device and a negative pressure suction device. The gun barrel assembly is connected with the gun body; the quick connecting device is arranged at the front end part ofthe gun body and the rear end part of the gun barrel assembly; the elastic thread tightening device is arranged on the lower portion in the gun body; a percussion device is arranged on the upper rearportion of the gun body; a gear shifting device is arranged on the side face of the gun body; the percussion device and the elastic thread tightening device are combined together through the gear shifting device; and a connector of the negative pressure suction device is arranged on the lower portion of the gun body. The automatic elastic thread hemorrhoid ligation anastomat is simple in structure, and a doctor can operate the automatic elastic thread hemorrhoid ligation anastomat with one hand. A target haemorrhoids tissue is adsorbed through the negative pressure suction device; then ligation is conducted on the target haemorrhoids tissue through the percussion device and the elastic thread tightening device; and after gear shifting, the elastic thread is cut off through a cutter threadcutting device. The automatic elastic thread hemorrhoid ligation anastomat is convenient to use.

Illustrated and described is an anastomotic device for forming anastomoses, in particular of intestine anastomoses, with an introducer sheath for insertion into a body lumen, wherein a thrust bearing part is provided for the head section and within the head section an extendable and retractable knife and a retaining pin are arranged. According to the invention at least the actuating part and the head section of inter-connected fluid supply channel and at the head section at least one fluid outlet connected with the fluid supply channel are provided for producing a fluidic connection between the actuating part and the head section while inserting the head section into the body lumen and / or when pushing the introducer sheath into the body lumen, in which the fluidic connection is configured for discharging an inflation liquid into the body lumen.

The invention provides an anorectal anastomat with a function of selectively excising anorectal tissues. The anastomat comprises a handle assembly, an osculating assembly, a nail propping seat assembly, a screw rod assembly, a push rod assembly and a clutch structure, a first nail pushing piece and a second nail pushing piece which can be spliced to form a nail pushing piece of a circular tube structure are arranged in a nail bin sleeve in a sliding mode, a first straight push rod for pushing the first nail pushing piece and a second straight push rod for pushing the second nail pushing pieceare arranged in a fixed handle, and a clutch structure for controlling the movable handle to be linked with the first straight push rod and / or the second straight push rod is arranged in the fixed handle. When in use, only the positions of a first sliding block and a second sliding block of the clutch structure need to be adjusted, a movable handle pulled, selective clearance on one of the first straight push rod and the second straight push rod can be realized, then one of the first nail pushing piece and the second nail pushing piece is triggered to push the anastomosis nail, the purpose ofselectively excising mucous membrane tissues on anorectal dentate lines of a patient is achieved, and operation risks are effectively reduced.

The invention relates to an endoscope surgical cutting anastomat capable of being quickly assembled, which comprises a machine body, a closing handle is hinged to the surface of the machine body, a supporting pipe is fixedly connected to the left side of the machine body, and a telescopic pipe is inserted into the left side of the supporting pipe; an adjusting pipe is arranged on the left side ofthe telescopic pipe, a nail abutting base is fixedly connected to the left side of the adjusting pipe, a detachable linear cutting element is fixedly connected to the front face of the nail abutting base, a first connecting plate is fixedly connected to the left side of the telescopic pipe, and a worm is rotatably connected to the inner wall of the first connecting plate, and the worm penetrates the first connecting plate and extends to the outside of the first connecting plate. By arranging the worm, an operator rotates the worm, the worm drives the worm wheel, the worm wheel drives the second connecting plate, the second connecting plate drives the adjusting pipe, and the adjusting pipe drives the nail abutting seat to rotate, so that the nail abutting seat is positioned more accurately.

The invention discloses an adjustable skin incision anastomat comprising two guide rails, wherein one guide rail is provided with a first base which can slide inside the guide rail, the first base is provided with a fixed rod, and the fixed rod is hinged with an adjustable rod; while the other guide rail is provided with a second base which can slide inside the guide rail, and the second base is provided with an adjustable seat which can fix the adjustable rod. The adjustable skin incision anastomat has the advantages of avoiding any traumatic operation to a wound and combining the adhesive force generated by the self-adhesive guide rails at two sides as well as the pull force between the guide rials to anastomose skins, instead of being directly contacted with the wound.

The invention discloses an anastomat with an automatic reset safety mechanism, for gastroenterology department, and belongs to the technical field of medical instruments. The anastomat comprises an operating handle, a rod body, a nail head assembly, a fixing assembly, a connecting assembly and a transmission rack, wherein a mounting sleeve is mounted at one end of the operating handle in a threaded mode, and a holding rod is fixedly mounted at the bottom of the operating handle. According to the anastomat, an inner sleeve shaft is mounted in a rod body penetrating into the operating handle, a safety reset spring is mounted outside the inner sleeve shaft, when the anastomat is used normally, an operating rod is directly pressed, the operating rod can drive a movable clamp to move, certain extrusion is generated on the safety reset spring, and the safety reset spring is compressed. At the moment, the inner sleeve shaft can drive the transmission rack to move, the nail head assembly is controlled to work through the gear meshing effect, when operation is not needed, the safety reset spring can automatically drive the structure to reset due to the reset effect of the safety reset spring, the good safety reset effect is achieved, manual adjustment reset is not needed, and the operation efficiency is improved.

The invention discloses a clutch safety device of an electric endoscope anastomat. The device comprises a clutch change-over unit, a clutch driving unit and the clutch safety unit; the clutch change-over unit achieves clutch switching of the anastomat between the percussion, close and open states and the left-right transmission state under the action of the clutch driving unit; the clutch safety unit comprises a safety sliding block, a guide rod and a clutch safety circuit board, the safety sliding block can be arranged on the guide rod in a sliding mode, a conductive elastic piece is arrangedon the upper portion of the safety sliding bock, a slideway is arranged on the clutch safety circuit board, the slideway is internally provided with a safety electrical contact end of the anastomat in the percussion, close and open states and a safety electrical contact end of the left-right transmission state, a driving hinge pin is arranged on the lower portion of the safety sliding block, thedriving hinge pin is connected with the clutch driving unit, and under the drive of the clutch driving unit, electrical switch of the anastomat in the two states is achieved. The invention further discloses the electric endoscope anastomat. Accordingly, consistent clutch control over mechanical engagement and electrical control is achieved, and safety and reliability are achieved.

The invention provides a suturing assembly of an anastomat and the anastomat. The suturing assembly of the anastomat comprises an installation base, a nail anvil base, a nail anvil assembly, a shell, a nail pushing assembly, a nail bin, a telescopic bin, a support assembly, a push rod, a screw assembly, a limiting assembly, a reset spring, an isolation assembly and a fixing screw. According to the invention, the relative positions of the telescopic bin and the push rod are adjusted, and the telescopic bin and the push rod are fixed together through the screw assembly; after the distance is changed, the push rod is not influenced to push the nail pushing assembly; the distance between the nail anvil assembly and the nail bin can be adjusted according to the thickness of tissue to be sutured in use, so that the moving distance of the nail bin is relatively short in suturing, and the deviation of the position of the nail bin in suturing is prevented; when the nail anvil assembly is not installed in place, an isolation block can be ejected to be blocked between the nail anvil assembly and the nail bin, so that the nail bin is prevented from making contact with the nail anvil base; and after the nail anvil assembly is installed, the isolation block is pressed downwards, and the movement of the nail bin cannot be hindered, so that the damage caused by misoperation due to no installation of the nail anvil base is avoided.

The invention relates to an in vivo degradable magnesium alloy anastomosis nail and a preparation method thereof. Used magnesium alloy comprises the following ingredients in percentage by mass: 2.0 to5.0 percent of Zn, 0.2 to 1.0 percent of Ca and the balance of Mg. The preparation method comprises the following steps of drying the used Mg, Zn and Ca; melting pure Mg in a vacuum induction meltingfurnace in which argon gas is introduced for protection; sequentially adding the Zn and the Ca according to the proportion; after stirring and heat insulation, performing casting to obtain a castingblank; machining the casting blank into a bar material; putting the bar material into a heat treatment furnace with the temperature of 400 DEG C; performing heat insulation for 12h; performing homogenization treatment; heating the bar material to 250 DEG C; putting the bar material into a preheated mold for extrusion at the extrusion ratio of 25; performing solid solution treatment on the bar material obtained through extrusion in the heat treatment furnace of 410 DEG C to 420 DEG C; performing heat insulation for 16h; drawing the treated bar material; obtaining a wire material through cooperation with an intermediate annealing process; and further processing the wire material to obtain the anastomosis nail for an anastomat.

The invention discloses a medical anastomat detection device. The medical anastomat detection device comprises a conveying guide rail, an electric measuring contact, an electric measuring contact moving mechanism, a shooting device, a third die holder blocking mechanism and a turnover plate mechanism, wherein the electric measuring contact comprises a contact pedestal, a plurality of pairs of electrodes corresponding to nail grooves in an anastomat die holder are fixedly arranged at the top of the contact pedestal, the bottoms of the electrodes are all fixed in the contact pedestal, and the tops of the electrodes extend out of the contact pedestal. According to the medical anastomat detection device, by arranging the electric measuring contact, the electric measuring contact is matched with anastomosis nails in an anastomat to form an equivalent capacitance circuit or a switch circuit, the embedding integrity of the anastomosis nails in the anastomat can be detected by measuring the equivalent capacitance value or the state of the switch circuit, the detection is reliable, and the efficiency is high.

The invention provides a knob assembly and a circular tube type anastomat with the knob assembly. The knob assembly comprises a knob body, and a slow threaded part and a locating plate detachably arranged in the knob body, wherein the locating plate is matched with the knob body so as to fix relative positions of the slow threaded part and the knob body. Compared with the prior art, the knob assembly and the circular tube type anastomat with the knob assembly are more convenient to assemble.

The invention discloses a minimally invasive endoscope anastomat with a safety catch. The minimally invasive endoscope anastomat comprises a handle, a locking mechanism and a support, wherein the front end surface of the handle is connected with a reset cap in a sliding manner; the locking mechanism is arranged inside the safety catch; the safety catch is connected to the lower end surface of the top of a fixed handle in a clamping manner; openings are formed in the left side and the right side of the safety catch; the support is connected to the inner side of a sleeve in a clamping manner through a bolt; the sleeve is fixed on the right side of the lower end surface of the handle; a rectangular supporting handle is fixed on the right end surface of the bottom of the support; an anti-skid sleeve sleeves the outer side of the rectangular supporting handle; the right end of the handle is rotationally connected with an adjusting shell; a steering knob is arranged at the top of the adjusting shell; a straight pipe is fixed at the right end of the adjusting shell; and a nail bin assembly clamp is arranged at the right end of the straight pipe. According to the minimally invasive endoscope anastomat with the safety catch, the safety catch plays a role in jacking a percussion handle, the percussion handle cannot be normally used, and the effect of preventing misoperation is conveniently achieved.

The invention discloses a linear cutting anastomat with a percussion driving connecting mechanism, belongs to the technical field of anastomats, and is characterized in that the linear cutting anastomat comprises a shell, a fixing block is fixedly connected to the bottom wall of the inner bottom of the shell, a limiting sleeve is fixedly connected to the left side of the inner wall of the shell, an unlocking mechanism is fixedly connected to the bottom wall inside the shell, the opposite sides of the unlocking mechanism and the fixing block are fixedly connected with a percussion mechanism, the percussion mechanism penetrates through the shell and extends to the outer portion of the shell, and a connecting mechanism is arranged in the percussion mechanism, by arranging a driving mechanism, when the percussion block moves leftwards, the left side of a retaining plate is driven to abut against a tooth mark on a driving rod, therefore, the driving rod is driven to move towards the left side, the slipping phenomenon caused by reduction of the friction coefficient between the driving rod and the driving mechanism is effectively prevented, the percussion driving stability of the anastomat is improved, and the service life of the anastomat is prolonged.

The invention discloses a handheld linear cutting anastomat and an assembly thereof. The handheld linear cutting anastomat comprises an anastomat main body, a handle, a third magnet, a positioning needle push button and an adjusting button, wherein an arc-shaped groove is formed in the lower end of the anastomat main body, an arc-shaped handle is arranged on a rotating rod, the handle is arranged at the lower end of the anastomat main body, the groove is formed in the right side of a percussion handle, the positioning block is arranged on a nail abutting seat frame, a screw is arranged on the nail abutting seat frame in a penetrating mode, the adjusting button is arranged at the right end of the anastomat main body, and the connecting frame is arranged in the anastomat main body in a penetrating mode. According to the handheld linear cutting anastomat and the assembly thereof, the limiting block is unscrewed to make contact with the arc-shaped handle, the angle of the arc-shaped handle is properly adjusted through the rotating rod, the auxiliary holding effect is conveniently achieved when the anastomat main body is operated, the stabilizing effect of the anastomat main body during operation is enhanced, and the limiting block is screwed to be detached from the rotating rod through a thread, and the arc-shaped handle is taken down from the rotating rod for maintenance and cleaning treatment.