436 results about "Anastomosis coupler" patented technology

A high-performance near-pure zinc alloy, a preparation method therefor and a use thereof, relating to the technical field of zinc alloys. The alloy component is that the content of Zn is greater than or equal to 99.5%, and the remaining trace alloy elements include at least two of the following 14 elements: Mg, Mn, Li, Cu, Ag, Ca, Sr, Fe, Zr, Ti, Al, C, Ga, and Si. The alloy has the yield strength ≥ 250 MPa, the tensile strength ≥ 320 MPa, the elongation ≥ 25%, the mechanical property change during one year of room-temperature storage ≤ 5%, the maximum bending force ≥ 2 kN, the stress corrosion sensitivity factor ≤ 15%, the size of corrosion pits after 60 days of immersion ≤ 15 μm, and the standard deviation of the size of corrosion pits ≤ 3 μm. The alloy is suitable for the preparation of biodegradable stents, bone implant devices, medical staplers or anastomotic nails for intestines, blood vessels or nerves, vascular clamps, guided bone or tissue regeneration membranes, heart valve protheses, dura mater repair membranes, soluble bridge plugs and fracturing balls for oil drilling, zinc alloy die castings, electroplated zinc materials, building zinc materials, battery-grade zinc, printing-grade zinc, and zinc-based brazing alloys.

The utility model discloses a hand-operated wrench assembly, a hand-operated knife return device and an electric anastomat, the hand-operated wrench assembly comprises a hand-operated wrench handle, a hand-operated wrench shaft sleeve and a hand-operated wrench rotating shaft, and the hand-operated knife return device comprises a hand-operated wrench assembly, a knife return gear shaft, a knife return transmission gear, a motor gear and a rack. The tool retracting gear shaft and the tool retracting transmission gear can be driven to move upwards by rotating the manual wrench assembly, the tool retracting transmission gear is separated from the motor gear, the rack can be driven to retract through the tool retracting transmission gear by continuously rotating the manual wrench assembly, manual tool retracting is achieved, and the electric anastomat comprises a manual tool returning device. By means of the mode, when the electric gear is rotated upwards through the lower half section of the wrench assembly, the middle section of the wrench is kept static, the tool retracting transmission gear can be easily pulled out, the wrench is further used as a torsion input tool after being pulled out, manual tool retracting is achieved, operation difficulty and failure risks are reduced, large torque is generated with small force, and the tool retracting transmission gear can be pulled out easily. And rapid manual tool retracting is achieved.

The invention relates to the technical field of medical instruments, and provides a control method and a control system of an electric anastomat, and the control method comprises the following steps: executing a self-checking instruction; triggering the cutting knife to trigger the switch; detecting a motor operation rotating speed, a motor operation current and a motor operation voltage for driving the cutting knife in real time; calculating a motor operation torque according to the motor operation rotating speed, the motor operation current and the motor operation voltage; the cutting difficulty degree is judged according to the motor operation torque; and according to the cutting difficulty degree, the operation rotating speed of the motor is controlled. According to the control method of the electric anastomat, by setting the self-checking mode and indirectly calculating the running torque, the technical problems of high equipment production cost and high use cost are solved, and meanwhile it can be ensured that bleeding is reduced.

The invention discloses a titanium nail assembling device, and relates to the field of medical instrument production. The mechanism comprises an anastomat carrier provided with an anastomat, a moving mechanism used for finely adjusting the position of the carrier, a plurality of sets of feeding and assembling clamping jaws and a multi-jaw opening and closing mechanism integrating a cam transmission assembly and a press-fitting assembly. The cam transmission assembly converts up-and-down movement of the Z-axis driving mechanism into synchronous opening and closing actions of the multiple sets of clamping jaws through cooperation of an installation frame body, symmetrical cam opening and clamping blocks, special-shaped guide through grooves in the symmetrical cam opening and clamping blocks, first idler wheels, sliding pins, guide sliding blocks and springs. The press-fitting assembly drives a strip-shaped pressing needle through a pressing air cylinder, synchronous pressing is conducted when the clamping jaw clamps the titanium nail, and precise assembling is completed. Synchronous taking and placing, accurate positioning and cooperative press fitting of multiple sets of titanium nails are achieved, the problems of low efficiency and poor consistency caused by single-claw sequential operation in the prior art are solved, and the automation level, the assembly precision and the production efficiency of anastomat titanium nail assembly are remarkably improved.

An anastomotic coupler is provided. A ring is aligned with a cartridge in that at least a portion of the cartridge is disposed within a lumen of the first tubular structure and the ring is positioned external of the first tubular structure. The cartridge is operable to engage with the ring to secure the ring and the cartridge with the first tubular structure and allow a lumen of a second tubular structure to be in fluid communication with the lumen of the first tubular structure via a hole formed in a wall of the first tubular structure.

The invention provides an anastomat body and an anastomat. The anastomat body comprises a first gear, a rotating head, a second gear and a power assembly. The first gear includes a first tooth portion. The second gear includes a second tooth portion engaged with the first tooth portion. The rotating head is connected with the nail bin assembly. The staple cartridge assembly comprises a jaw and a cutting knife. The power assembly drives the first gear to rotate, and the first gear drives the second gear to rotate. The rotating head defines a containing space, and at least part of the second gear is located in the containing space and connected with the rotating head so as to drive the rotating head to rotate. The rotating head drives the nail bin assembly to circumferentially rotate around the center shaft of the nail bin assembly. Circumferential rotation of the nail bin assembly is controlled in an electric mode, operation is convenient, and the operation precision and efficiency of an operation are improved.

The utility model discloses an automatic assembly device of anastomat sleeve, including processing platform, the both sides symmetry of processing platform top is equipped with moving frame, two moving frame top all are equipped with limit component, the utility model has the beneficial effect that through the cooperation of external spring type telescopic link in limit component and rubber resistance block, can provide stable clamping force, can also adapt to different specifications sleeve, combines telescopic guide rod, slide bar etc.

The utility model relates to the technical field of clamping forceps, and discloses a pair of circular anastomat anvil head clamping forceps which comprises a clamping assembly, the clamping assembly comprises two main rods hinged to each other, forceps heads are arranged at the ends of the two main rods, clamping grooves are formed in the sides, close to each other, of the two forceps heads, and the two main rods are hinged to each other through the clamping grooves. An adjustable handle is arranged at the end, away from the forceps head, of the main rod and comprises two grab handles hinged to the main rod, and a connecting disc is arranged between the two grab handles. Through cooperative use of the clamping assembly, the adjustable handle and the limiting plate, hinging of the grab handle and the clamping assembly is achieved through the connecting disc and the forceps handle, the angle of the grab handle relative to the main rod can be adjusted according to needs, the clamping angle can be conveniently adjusted according to the operation habit of a doctor, the clamping accuracy is improved, and after clamping, the clamping angle can be adjusted conveniently. And the clamping position is locked through the limiting plate and the clamping column, loosening caused by misoperation is prevented, and the effects of flexible operation and stable clamping are achieved.

The utility model relates to a device for preventing empty percussion of a surgical instrument, which comprises an anastomat body and a nail abutting seat assembly arranged at a front end opening of the anastomat body, the nail abutting seat assembly comprises an anvil head used for forming anastomosis nails and a connecting shaft sleeve arranged on the rear side of the anvil head, an infrared detection device is arranged in the anastomat body, and the connecting shaft sleeve is arranged on the rear side of the anvil head. The infrared detection device is connected with a control circuit of the anastomat body, an infrared transceiver is arranged on the infrared detection device, and when the infrared transceiver receives reflected infrared rays, the control circuit disconnects the drive motor circuit; and when the infrared transceiver cannot receive the reflected infrared rays, the control circuit closes the driving motor circuit. The electric anastomat has the advantages that the coating capable of absorbing infrared rays is arranged on the outer wall of the connecting shaft sleeve, the light source of the infrared transceiver and the signal receiver are arranged in the anastomat body, whether the anvil block head is installed in place or not can be detected under the condition that the strength and the function of the structure are not affected, and mistaken percussion operation of the electric anastomat is prevented.

The application provides an electric endoscope anastomat, and relates to the technical field of cutting anastomosers.The device comprises a support, and further comprises: a jaw turning transmission mechanism, which is installed on the support and is driven by a main motor; a cutting knife feeding transmission mechanism, which is installed on the support and is in transmission connection with the jaw turning transmission mechanism; and a rack locking mechanism, which is installed between the jaw turning transmission mechanism and the cutting knife feeding transmission mechanism, and the jaw turning transmission mechanism and the cutting knife feeding transmission mechanism are sequentially driven through the rack locking mechanism. The application can realize the functions of jaw turning and cutting knife advancing / retracting through the driving of only one set of main motor, and the overall structure is simple and reliable.

The invention discloses a novel structure for preventing a cutting assembly from shaking. The novel structure comprises a driving assembly, the cutting assembly rotationally connected with the driving assembly and a damping structure arranged on the driving assembly. The damping structure comprises an inserting groove formed in the driving positioning rod, a limiting piece installed in the inserting groove and a rough surface arranged on the outer surface of the first driving rod, the limiting piece makes contact with the rough surface to generate constant friction damping, and stable damping is provided after the cutting assembly and the driving assembly rotate to preset positions so as to restrain shaking and ensure accurate positioning; a first driving rod and a second driving rod are arranged in the driving assembly and are respectively meshed with a first rotating part and a second rotating part of the cutting assembly through connecting rods to realize multi-angle adjustment; on the premise that complex parts are not added, friction formed by the rough texture and the silica gel limiting piece is utilized, the positioning and resetting reliability of the cutting assembly is remarkably improved, the manufacturing process is simplified, the cost is reduced, and the safety and accuracy of surgical operation of the endoscope anastomat are enhanced.

1. The name of the design product: wound anastomat. 2. The use of the design product: for wound dressing and suture. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Other circumstances that need to be explained: design 1 is the basic design.

The utility model provides a tubular anastomat, and relates to the technical field of medical instruments. The tubular anastomat comprises an anastomosis assembly, an osculating assembly and a connecting assembly, a first anastomosis piece in the anastomosis assembly is arranged on the inner side of a second anastomosis piece, a leakage-proof barrel is arranged on the inner side of the first anastomosis piece, and the near end of the leakage-proof barrel extends out of the near end of the first anastomosis piece; a first osculating piece in the osculating assembly is arranged on the inner side of a second osculating piece, and part of the connecting assembly can be limited to the osculating assembly. The osculating assembly is pushed in the direction close to the anastomosis assembly, so that the osculating assembly is arranged at the near end of the leakage-proof cylinder in a sleeving manner, and the other part of the connecting assembly is connected to the anastomosis assembly in a limiting manner, so that the first intestinal tract and the second intestinal tract are anastomosed between the anastomosis assembly and the osculating assembly. According to the tubular anastomat, the anastomosis effect can be improved, and the probability that the first intestinal tract and the second intestinal tract are broken due to separation between the anastomosis assembly and the osculating assembly is reduced; meanwhile, the leakage-proof effect is improved, and the risk of anastomotic stoma leakage is reduced.

This utility model discloses an anti-accidental activation structure for a stapler, including a stapler body and a cutting blade disposed within the stapler body; a protective lock is rotatably mounted at the tail end of the stapler body; a limiting mechanism is provided on the inner side of the protective lock to limit the tail end of the cutting blade; an anti-rotation mechanism is provided on the protective lock to lock the stapler body; and a reset mechanism is provided between the protective lock and the stapler body for resetting the protective lock after accidental activation. The protective lock, limiting mechanism, anti-rotation mechanism, and reset mechanism of this utility model work together to form a three-layer anti-accidental activation protection; the limiting mechanism directly locks the cutting blade position to prevent accidental activation; the anti-rotation mechanism ensures the protective lock is stably locked; and the reset mechanism automatically restores the protective lock to its initial position after accidental activation, thereby avoiding damage to the stapler due to misalignment of the protective structure after docking with the instrument.

The utility model provides a haemorrhoids loop ligature anastomat with a limiting structure, and belongs to the technical field of anastomats. The haemorrhoids loop ligature anastomat with the limiting structure comprises a haemorrhoids loop ligature anastomat part and a limiting assembly. The ligation tube part is mounted at the front end of the handle part; the top ends of the two arc-shaped clamping plates are both fixedly connected with lug plates, a rotating shaft is arranged between the two lug plates in a rotating mode, the rotating shaft is sleeved with a spring piece, the extending end of the spring piece makes contact with and abuts against the opposite faces of the two lug plates, and the two arc-shaped clamping plates are detachably arranged on the outer side of the ligation tube part in a clamped mode. Under the action of an arc-shaped clamping plate, an ear plate and a spring piece, the ligation tube part can be limited, so that an operator can find that the ligation tube part moves towards the interior of the anus or slides towards the exterior of the anus in time during operation, remedy can be carried out, and the error rate of an operation is reduced.

According to the anastomat with the self-detection function, a main body of the anastomat is the anastomat, and a linkage assembly, a motor, a rotating unit, a self-detection control module, a switching assembly, a power module and a trigger are arranged in a percussion handle of the anastomat; the anastomat comprises a standby mode, a self-checking mode and a percussion mode. In a standby mode, the motor is disconnected from the power supply module; when the power supply module is powered on to supply power to the motor, the anastomat enters a self-checking mode from a standby mode: the switching assembly is controlled to realize connection of the rotating unit and the linkage assembly, and the anastomat enters an excitation mode from the self-checking mode. Whether a product can work normally or not can be automatically detected at the beginning of equipment electrification, after detection is completed, pouch beating can be conducted through mode switching, whether an instrument is bad or not is detected in advance, whether the instrument can be used for operation or not is judged, and then the risk is reduced.

The utility model discloses an anastomat cutting knife detection device which comprises a vertical driving assembly, a transverse driving assembly, a cutting knife testing assembly and a suture line clamp, the cutting knife testing assembly comprises a pressure sensor and a connector unit used for installing an anastomat cutting knife, and the connector unit is assembled at the lifting end of the vertical driving assembly. The suture line clamp comprises a balancing weight, a plurality of threading columns for a suture line to penetrate through and a pressing driver for pressing the suture line, and the transverse driving assembly drives the suture line clamp to move, so that one threading column corresponds to the connector unit; the vertical driving assembly drives the anastomat cutting knife on the connector unit to cut the suture line on the suture line clamp, and the cutting force borne by the anastomat cutting knife is measured through the pressure sensor, so that a manual detection mode can be replaced, and the sharpness performance of the anastomat cutting knife can be accurately, conveniently and reliably detected.

The utility model belongs to the field of anastomats, and particularly relates to an anorectal anastomat with a lighting function. The anorectal anastomat comprises an anorectal anastomat body, a plurality of mounting grooves are formed in the outer side wall of a center rod of the anorectal anastomat body in the circumferential direction of the anorectal anastomat body, a plurality of illuminating lamps are mounted in each mounting groove, a plurality of light shielding plates are fixed in each mounting groove, and connecting grooves are formed in the outer side wall of the center rod in the circumferential direction of the center rod. Transparent isolating layers are arranged in all the mounting grooves and the connecting grooves, and a connecting assembly is arranged on the anorectal anastomat body. During an operation, when the central rod completely extends out of the handle and is inserted into the anus of a patient, the connecting assembly enables all the illuminating lamps to be electrically connected with the power supply, so that the power supply provides electric energy for each illuminating lamp, the illuminating lamps can illuminate an operation area in the anus, the visual definition of a doctor during the operation is improved, an external illuminating device is not needed, and the operation is convenient. A doctor can have a larger activity space, and the surgical operation can be more convenient and flexible.

This invention discloses a stapler with status indication and automatic safety, belonging to the field of medical device technology. The stapler with status indication and automatic safety includes an indicator slidably disposed within a fixed handle, the indicator having a firing indicator and a locking indicator; a guide fixedly disposed within the fixed handle, the guide having a guide groove extending along a first direction; a safety linkage, the first end of the safety linkage hinged to the firing handle, the second end of the safety linkage located within the guide groove; an adjusting member slidably disposed within the fixed handle, one end of the adjusting member having a lever for locking or unlocking the safety linkage against the inner wall of the guide groove; and an adjusting seat fixedly sleeved on a lead screw, both the indicator and the adjusting member being kinetically connected to the adjusting seat, the adjusting seat for moving the indicator and the adjusting member along the first direction. This invention combines status indication and automatic unlocking for firing, reducing the failure rate of the stapler.

1. The name of the design product: hernia anastomat. 2. The use of the design product: the design product is used for tissue suture in hernia repair. 3. The design points of the design product: the shape of the design product. 4. The picture or photo that best shows the design points: perspective view.

The utility model relates to the technical field of endoscopic cutting anastomat guiding devices, in particular to an endoscopic cutting anastomat guiding device which comprises a guiding part, a connecting part and a positioning part, the guiding part, the connecting part and the positioning part are integrally connected to form a hollow cylinder, the guiding part and the positioning part are connected through the connecting part, and the hollow cylinder is arranged at the front end of a nail plate in a sleeved mode. A positioning rod is arranged at the front end of the top plate, bosses are arranged at the front part and the middle part of the positioning rod, and steps matched with the bosses are arranged in the connecting part and the positioning part; a button and a spring are arranged on the rear side of the step, the spring is arranged above the positioning part, the button is arranged below the positioning part, and the button and the positioning part are located at the same vertical position. The device is easy to disassemble and assemble, can be repeatedly used and is convenient to clean.

The present application relates to a kind of anastomosis equipment.The anastomosis equipment includes repair assembly and anastomat;Repair assembly includes at least one patch, various the patch is respectively used for different operation;Anastomat includes shaft assembly, anvil and nail bin, anvil and nail bin are connected to shaft assembly, anvil and nail bin can be relatively closed, various patch is used to install in anvil or nail bin, anvil and nail bin are configured to operate to anastomosis position, and patch is applied to corresponding anastomosis to achieve occlusion and reinforcement by operation.This application at least one patch, so as to cooperate with anvil and nail bin, so that various patch is adhered to corresponding anastomosis under its corresponding operation, so as to reduce the proportion of stomal fistula and bleeding at incision, improve the reliability and adaptability of anastomosis equipment.

The embodiment of the invention provides an anastomat which is configured to reduce fluid resistance at an anastomotic stoma and comprises a nail anvil assembly and a nail bin assembly, and the nail anvil assembly comprises a nail anvil provided with a first patch; the staple cartridge assembly comprises a staple cartridge assembled with a second patch, the first patch is provided with a first pore part and a first cutting position, and the second patch is provided with a second pore part and a second cutting position. When the end surface of the nail anvil and the end surface of the nail bin are in a state of clamping the first patch and the second patch, the first pore part is overlapped with the second pore part; and the first cutting position is overlapped with the second cutting position. The first patch and the second patch are cut in response to an annular knife of the staple cartridge, the inner annular edges of the first patch and the second patch being toothed. The inner diameter tooth-shaped structure can enable the cut anastomotic stoma to be in a state that the periphery of the caliber is relatively relaxed, the circumferential pressure of the anastomotic stoma is weakened, and the fluid resistance of the anastomotic stoma is reduced.

This invention provides a stapler, including a stapler cartridge, an anvil, a drive assembly, and a sensing assembly. The anvil is connected to the stapler cartridge. The drive assembly includes a drive member and a connecting block. The connecting block includes a first end and a second end disposed opposite to each other. The first end is movably connected to the movable end of the anvil, and the second end is drively connected to the drive member. The drive member drives the anvil to move closer to or away from the stapler cartridge via the connecting block. The sensing assembly is configured to detect the deformation of the anvil and includes a transmitter and a receiver connected by a signal connection. The transmitter is disposed on the side of the first end facing the anvil, and the receiver is disposed on the anvil and is used to receive the signal emitted by the transmitter. Compared with the prior art, the stapler of this invention can monitor the deformation of the anvil in real time through the sensing assembly.

The application provides an anastomat body and an anastomat. The anastomat body comprises a limiting piece, a first pushing piece and a second pushing piece. The limiting piece is provided with a receiving space and a plurality of sliding grooves which are communicated with the receiving space in the circumferential direction. The second pushing piece comprises a plurality of sliding blocks which are sequentially arranged in the circumferential direction. When the jaws are opened, at least part of the second pushing piece is located in the receiving space, and the sliding blocks are located in the sliding grooves. In this state, the first pushing piece is forced to abut against the second pushing piece, and after the sliding blocks move along the sliding grooves and move out of the sliding grooves, the second pushing piece rotates and abuts against the limiting piece, so that the jaws are switched and locked in the closed state. When the jaws are closed, the first pushing piece is forced to abut against the second pushing piece to make it rotate, so that the sliding blocks enter the sliding grooves, and the jaws are switched to the opened state. By making the first pushing piece abut against the second pushing piece to make it advance and retreat, when the second pushing piece abuts against the limiting piece after advancing, the jaws can be locked in the closed state, and the anastomat body has a simple structure.

The application discloses a safe firing anastomat and belongs to the technical field of medical devices. The safe firing anastomat further comprises a hook piece, a limiting boss is arranged on the mounting section, the bending direction of the first arc-shaped section is opposite to the bending direction of the second arc-shaped section, the mounting section is arranged on the firing handle and can swing along with the firing handle; the fixed handle is fixedly arranged on the anastomat main body and located on the swing track line of the hook piece, the fixed handle has a containing cavity, the first opening and the second opening are arranged on the fixed handle and in communication with the containing cavity, the first retreat-stop platform is arranged on the inner bottom wall of the fixed handle and close to the first opening, the guide strip-shaped part is arranged on the inner side wall of the fixed handle and close to the second opening, and the outer side surface of the guide strip-shaped part and the inner side wall of the fixed handle surround to form the handle reset sliding groove. The firing handle can be reset only after the firing handle is gripped in place, and the success rate of operation is improved.

The application provides an electric endoscope anastomat device, and relates to the technical field of cutting anastomat. The device comprises a support, and further comprises: a jaw opening and closing transmission mechanism, which is installed on the support and is driven by a motor; a cutting knife feeding transmission mechanism, which is installed on the support and is in transmission connection with the jaw opening and closing transmission mechanism; and a rack locking mechanism, which is installed between the jaw opening and closing transmission mechanism and the cutting knife feeding transmission mechanism, and the jaw opening and closing transmission mechanism and the cutting knife feeding transmission mechanism are sequentially driven through the rack locking mechanism. Overall, the application has simple structure, is stable and reliable, and realizes two functions of jaw opening and closing and cutting knife feeding / retracting of the electric anastomat through a group of motors.

Provided is an anastomosis set for anastomosing a first anastomotic target portion of a first tubular organ and a second anastomotic target portion of a second tubular organ. The anastomosis set includes: a first anastomosis device connected to the first anastomotic target portion and having a first extension through-hole penetrable by the first tubular organ; and a second anastomosis device connected to the second anastomotic target portion and having a second extension through-hole penetrable by the second tubular organ. The first anastomosis device is connected to the second anastomosis device, allowing the first anastomotic target portion and the second anastomotic target portion to be anastomosed to each other.