1892results about "Wound clamps" patented technology

The invention discloses a thoracoscope minimally invasive cardiac surgery navigation system based on multi-modal image fusion, and the system comprises the steps: constructing a 5D heart digital twin containing an anatomical structure, a soft tissue boundary, metabolic activity and electrophysiological information through fusing preoperative CT, MRI, PET and intraoperative ultrasonic images; real-time dynamic registration is realized by using an electrocardio gating driven biomechanical model; superposing the multi-color coding navigation information to the visual field of the thoracoscope through a wavelength selection type spectroscope; a dynamic risk scoring model is constructed based on the distance, the speed and the tissue vulnerability, and three-level grading intervention is triggered; a miniature force feedback actuator is integrated to realize closed-loop control; and pre-operation virtual drilling and post-operation federal learning optimization are supported. The system remarkably improves the surgical precision and safety, and is suitable for high-difficulty heart minimally invasive surgeries such as mitral valve repair and atrial fibrillation ablation.

The utility model discloses a closing clip capable of preventing tissue from being torn, and belongs to the field of medical hemostatic clips. The closing clamp capable of preventing the tissue from being torn comprises a first clamping arm and a second clamping arm, the near ends of the first clamping arm and the second clamping arm are connected through a connecting part, and the far end of the first clamping arm and the far end of the second clamping arm are respectively provided with a locking structure which can be buckled and locked together. The clamping faces of the first clamping arm and the second clamping arm are each divided into an anti-skid tooth face and a clamping smooth face in the width direction, and the anti-skid tooth face and the clamping smooth face of the first clamping arm and the anti-skid tooth face and the clamping smooth face of the second clamping arm are arranged in a one-to-one correspondence mode or in a crossed correspondence mode. According to the utility model, the clamping surfaces of the two clamping arms of the closing clamp are divided into the anti-slip tooth surfaces and the clamping smooth surfaces, so that the clamping pressure of the closing clamp on vascular tissues during closing is reduced, unnecessary damage to the tissues in the process of closing the tissues is effectively avoided, and hemostasis failure caused by tearing of the vascular tissues is prevented.

The embodiments of the present specification provide a clip device. The clip device comprises a sheath, a clip arm and a receiving tube, the receiving tube is releasably connected with the sheath, the clip arm comprises at least two clamping parts, the proximal ends of the at least two clamping parts are movably arranged in the receiving tube, the clip arm is opened when the clip arm moves distally relative to the receiving tube, the clip arm is closed when the clip arm moves proximally relative to the receiving tube, and the receiving tube is further used for locking the clip arm.

A surgical anchor device for being anchored on the mucous membrane of the inner wall of the intestine, the device having a temporary anchor element presenting anchoring that can be modified in a controlled manner and having a first substantially cylindrical multiply-perforated wall presenting properties of radial elasticity whereby the first wall presents an outer diameter that can be varied in controlled manner, wherein a portion of the inner surface of the first wall is lined with an independent leakproof inner sheath having only its longitudinal ends fastened to the anchor element to define a suction chamber between the inner sheath and the first wall, the temporary anchor element being coupled to a flexible or semi-rigid tube extending outside the anchor element, an open end of the injection-suction tube opening out into the suction chamber enabling air to be injected into or sucked out from the suction chamber.

A clip may be configured to close the portion of the heart, to reduce blood flow therethrough as well as passage of clots or other undesired materials. The clip may be configured to close the left atrial appendage (LAA). The closure of the LAA may reduce the possibility of stroke or other maladies stemming from fluid flow with the LAA. Delivery systems may comprise expansion apparatuses for a left atrial appendage clip. The expansion apparatuses may include retention mechanisms for retaining the clip.

According to the method and device for the endoscope to automatically follow the instruments, the electronic equipment and the storage medium, the actual focusing center and the real-time video of the endoscope are firstly obtained, then the real-time video is processed, the current operation stage is recognized, the real-time position information and the weight of each instrument in the real-time video are obtained, and the real-time position information and the weight of each instrument in the real-time video are obtained; the weights of the instruments and the corresponding position information are subjected to weighted fusion, the semantic attention center of the endoscope is obtained, and finally the focus center of the endoscope is adjusted according to the actual focus center and the semantic attention center. According to the technical scheme, the weight and the semantic attention center of each instrument are calculated by fusing the multi-dimensional features of the basic data, and finally, the logic of the focusing center of the endoscope is dynamically adjusted, so that intelligent following in a multi-instrument collaborative scene is realized, the defects of single instrument tracking and lack of semantic adaptation in the prior art are overcome, and the tracking efficiency is improved. And the flexibility and the accuracy of the automatic following instrument of the endoscope are improved.

A clip applier and method provide for surgically minimizing or eliminating a tissue appendage of the patient using an occlusion clip. An end effector of the clip applier has first and second channels that respectively receive / engage first and second elongate beams of the clip. The clip includes strand(s) that forms a loop through the first and the second elongate beams. Terminal segments of the strand(s) extend proximally through a clip setting mechanism of the occlusion clip. An opening between first and second elongate beams of the occlusion clip are positioned around a tissue appendage. A closure mechanism of the clip applier is actuated to proximally draw the terminal segments of the strand(s) to close the occlusion clip and to close the end effector. A release mechanism of the occlusion clip is actuated, allowing the end effector to open away from the occlusion clip in a clamped state.

A clip applier configured to apply a surgical clip. The clip applier can include a first jaw member and a second jaw member, wherein the first jaw member is configured to pivot between an open configuration and a closed configuration. The clip applier can also include a first leaf spring configured to bias the first jaw member into the open configuration and a tubular member configured to be advanced over the first jaw member to cam actuate the first jaw member into the closed configuration against the bias of the first leaf spring. The clip applier can further include a second leaf spring configured to bias the second jaw member into the open configuration and a tubular member configured to be advanced over the second jaw member to cam actuate the second jaw member into the closed configuration against the bias of the second leaf spring.

Systems and subsystems for cutting and stapling tissue are disclosed. More specifically, the present disclosure relates to systems, devices, and subsystems for attachments for robotic surgeries. The surgical instrument is a robotic attachment including a roll subsystem. The roll subsystem comprises a rotatable shaft having a longitudinal axis, a roll input puck engageable with a roll robotic output, a worm gear coupled to and rotatable by the roll input puck, and a worm follower coupled to the rotatable shaft. Rotation of the roll input puck causes the worm gear to rotate the worm follower and thereby roll the rotatable shaft about its longitudinal axis.

The invention belongs to the technical field of digital surgery, and particularly relates to a hysteroscope surgical robot control method and system based on multi-modal perception. The method comprises the steps of collecting multi-modal input signals such as visual, auditory, tactile, force sense and pose signals, uniformly performing time synchronization and perception track construction, and combining semantic behavior intention inference and tactile opportunity judgment to realize multi-dimensional consistency verification of operation instructions. And after the judgment result is valid, extracting control execution parameters, driving the mechanical arm to perform accurate operation, recording an execution process and updating a control threshold value to optimize feedback performance. The system comprises an input signal acquisition module, a six-dimensional force sensor module, a semantic inference module, a modal fusion module and the like, a closed-loop structure from sensing to control is constructed, and the operation precision, the interaction stability and the safety response capability of the hysteroscope robot in an operation are remarkably improved.

A clipping system includes an adapter, a clip and a first extending member. The clip includes first and second jaws which are movable between an insertion configuration and an initial deployed configuration. The jaws are biased toward the initial configuration. The first member is releasably coupled to the clip and movably connected to the adapter. The first member includes a distal end releasably coupled to the first jaw such that longitudinal movement of the first member relative to the adapter moves the clip between the insertion configuration, the initial configuration and a review configuration. The first member is operable to retract the clip proximally over the adapter so that the clip is forced open as the clip is retracted over the adapter. A first releasable link connects the first member to the clip and releases when the first member is subject to a force exceeding a predetermined threshold value.

A clipping device includes a clip including a capsule and a pair of clip arms movable between an open configuration and a closed configuration. A tension member includes a distal portion and a proximal portion, a pair of protrusions extending from opposing surfaces of the proximal portion to be received within openings extending through proximal ends of the clip arms, the proximal portion including a relief to define a pair of fingers separated from one another at proximal ends thereof. A yoke including a central portion including a recess formed at a distal end thereof, the recess sized and shaped to releasably receive the pair of fingers of the tension member, the pair of fingers configured to flex toward one another when a predetermined force is exerted thereon to release the pair of fingers from the recess and disengage the tension member from the yoke during deployment of the clip.

The utility model provides an endoscope needle tube puncturing and suturing device. The endoscope needle tube puncturing and suturing device comprises a mounting shell, a needle tube assembly, a driving assembly and a suturing assembly. The control piece controls the driving piece to rotate relative to the mounting shell, and the driving piece drives the connecting piece to move relative to the mounting shell, so that the connecting piece drives the arc-shaped puncture needle tube to rotate relative to the mounting shell. The control piece directly drives the arc-shaped puncture needle tube to be opposite to the mounting shell through matching of the driving piece and the connecting piece. The influence of the length of the needle tube assembly and the elastic tube, the stress bending of the elastic tube and the friction between the needle tube assembly and the mounting shell on the puncture force borne by the arc-shaped puncture needle tube is small, that is, the acting force of the control piece is effectively converted into the puncture force of the arc-shaped puncture needle tube through the matching of the driving piece and the connecting piece; and the arc-shaped puncture needle tube has enough puncture force, so that the arc-shaped puncture needle tube can quickly penetrate through human tissues, and the suture efficiency and implementation reliability of the product are improved.

Provided are tissue repair and sealing devices, and methods for the use of tissue repair and sealing devices, for use in both minimally invasive surgical (MIS) procedures and open, non-MIS procedures to rapidly repair tissue fenestrations and create a pressure-resistant, watertight seal in a tissue barrier. Tissue repair and sealing devices disclosed herein comprise an integrated graft and deployable clasp assembly and an applicator assembly having a graft-clasp lock cylinder that is slidably connected to a folded, deployable clasp. The applicator assembly places a graft on a tissue inner surface and a deployable clasp on a tissue outer surface to secure the graft to the tissue inner surface to, thereby, repair a tissue fenestration and create a watertight barrier.

The invention discloses a uniformly-stressed wound closer and a mounting device thereof, and belongs to the technical field of medical instruments, the uniformly-stressed wound closer comprises an annular tension reducing paste and further comprises a self-locking closing assembly; a plurality of groups of self-locking closing assemblies are distributed at equal intervals at the upper end of the annular post reduction sticker in a circumferential array; the self-locking closing assembly comprises a movable traction module and a limiting module. The movable traction module and the limiting module are symmetrically distributed on the two sides of the upper end of the annular tension reducing sticker; the device further comprises a fixing disc and a multidirectional synchronous screwing mechanism. And a multidirectional synchronous screwing mechanism is mounted in the fixed disc. By means of the mode, the device can close a round wound on a patient, and the phenomenon that the wound is unevenly closed in the wound healing process is avoided.

An orthopedic implant system can be used to fixate two bones (e.g., to portions of a single bone) relative to each other during a surgical procedure. In some configurations, the implant system includes a staple having at least two legs separated by a bridge. The staple can include at least two couplings on either side of the bridge accessible through a top surface of the staple connectable to two corresponding coupling shafts. The coupling shafts can attach through the top surface of the staple without extending below an underside of the staple. The coupling shafts can be used to bias the at least two legs of the staple away from each other for insertion into holes formed into two bones. By attaching the coupling shafts through the top of the staple, the staple can be inserted flush with the two bones before releasing the shafts.

A surgical instrument including a power assist device, and its method of use for deploying surgical fasteners, is disclosed. The surgical instrument may include a handle, an elongated shaft extending from the handle, and a surgical fastener deployment system including a driveshaft. The driveshaft is actuatable between at least a first proximal position and a second distal position. A striker is movable relative to the driveshaft and an impact surface is associated with the driveshaft. The impact surface is constructed and arranged to be struck by the striker member to displace the driveshaft to the second distal position and deploy the surgical fastener.

This disclosure provides a skin-adhesive device for promoting wound healing, comprising a base beam, an adhesive plate, and plastic screws. The base beam includes a first base beam and a second base beam, both having elongated holes along their length. Multiple plastic screws are present, one end of which passes through the elongated hole in the first base beam, and the other end of which passes through the elongated hole in the second base beam. A first limiting block and a first nut are provided at the end of the plastic screw closest to the first base beam, and a second limiting block and a second nut are provided at the end closest to the second base beam. The adhesive plate includes a first adhesive plate fixed to the first base beam and a second adhesive plate fixed to the second base beam. This disclosure solves the problem that traditional skin-adhesive devices cannot meet the requirement of flexible adaptation to bent body parts, and simultaneously allows for adjustment according to the size of the wound, thereby reducing secondary injury.

Medical device bending devices and methods of use are disclosed herein. An embodiment includes a body, a handle in rotatable relationship with the body, and a head that is coupled with the handle in such a way that when the handle is rotated the head is drawn at least partially into the body and towards the handle. A terminal end of the body that is opposite of the handle and the head cooperate as a vise that bends opposing arms of a surgical staple from an inwardly angled configuration to a parallel configuration (or at angles therebetween) when a crown of the surgical staple is clamped in the vise.

The invention relates to the technical field of minimally invasive treatment surgical medical instruments, and discloses a magnetic anchoring traction device, which comprises an outer magnetic mechanism, an inner magnetic mechanism, an inner magnetic mechanism, a traction mechanism, a traction mechanism and a traction mechanism, and is characterized in that the outer magnetic mechanism is configured to be arranged outside an organism and comprises an outer magnet with magnetism or capable of generating magnetism; the inner attraction body is made of a material which does not have magnetism and can be magnetized close to the magnet, the inner attraction body is configured to be arranged inside a living body, and the upper end of the inner attraction body is used for facing the lower end of an outer magnetic mechanism located outside the living body, so that the inner attraction body and the outer magnet attract each other; and the upper end of the tractor is connected with the lower end of the inner aspirator, and the lower end of the tractor comprises a connecting part and is used for dragging tissues or organs in a living body or is connected with an in-vivo catheter. By means of the internal attraction body which is not magnetic and is made of a material which is close to the magnet and can be magnetized, the influence of magnetic force on an instrument in a living body can be reduced, high-temperature disinfection of the internal attraction body is facilitated, and therefore the safety of minimally invasive treatment surgery is improved.

An endoscope treatment instrument may comprise a sheath, a conductive rod extending from a distal end of the sheath, an electrode connected to a distal end of the rod, an insulator positioned distally relative to the electrode; and an insulating element covering at least part of an outer circumferential surface of the rod.

A fiber optic treatment tool system according to the present invention comprises: a treatment tool that treats tissue of an observation target site; a light-emitting unit that emits light in a wavelength band that excites a fluorescent reagent contained in a drug bound to the observation target site; a light guide part that is configured using an optical fiber and that guides light between one end and the other end thereof; a light-receiving unit that detects return light from the treatment tool or the observation target site incident on the light guide part; and a control unit that controls the intensity of the light emitted by the light-emitting unit. The light guide unit has one end located at the end of the treatment tool on the observation target site side and the other end connected to the light-emitting unit and the light-receiving unit. The control unit reduces the light emission intensity of the light-emitting unit when the intensity value of the return light acquired from the light-receiving unit is equal to or greater than a preset threshold value.

A method for bone fixation using a compression staple system may include loading a compression staple including legs into an inserter, positioning a drill guide proximate first and second bone portions, using the drill guide and a drill to create a first and second hole in the first and second bone portions, wherein the first and second holes may be configured to receive the legs of the staple, using the drill guide and a first and second drill pin, driving the first and second drill pins into the first and second bone portions, withdrawing the drill guide and leaving the drill pins in the first and second bone portions, guiding the inserter and the staple over the first and second drill pins, inserting the legs of the staple into the first and second holes, actuating the inserter to release the staple, withdrawing the inserter, and removing the drill pins.

The present application relates to the field of model construction, in particular to a kind of construction method of vertebral artery compression rat model, the inner diameter and blood flow velocity of normal rat vertebral artery are obtained by ultrasonic detection;Anesthetize rat, skin preparation, disinfection, incision, expose vertebral artery;According to the required compression degree, select the tissue clip of corresponding specification, fix on vertebral artery, keep vertebral artery in compression state;Suture incision, disinfection, bandage;After rat awakens, daily care, feed, until incision healing;Ultrasonic detection is carried out, the inner diameter and blood flow velocity of the vertebral artery of rat model are obtained, compared with the inner diameter and blood flow velocity of the vertebral artery of the same age healthy rat or rat before modeling, whether it meets the standard of successful modeling is judged.

A surgical instrument for applying a surgical clip to tissue includes an end effector having a first jaw and a second jaw movable between an open position and a closed position. The end effector is rotatably coupled to the shaft about at least one axis substantially perpendicular to the shaft. The instrument includes a drive member configured for translation from an axial distal end into the end effector to deliver one or more clips to the first jaw and the second jaw. The instrument allows a surgeon to deliver one or more surgical clips onto tissue or blood vessels, for example, without having to replace the instrument or alter the orientation of the jaws during clip advancement, which reduces interference with the surgeon's workflow.

A spinal endoscope and a driving apparatus for a surgical instrument thereof, relating to the technical field of surgery. A rotating platform (12) of the driving apparatus is rotatably mounted on a base (13), and an encoder (8) is mounted at one end of the base (13). A first motor (10) is configured for driving the rotating platform (12) to rotate. A guide rail (11), a second motor (17), and a third motor (14) are all fixedly mounted on the rotating platform (12). The third motor (14) is configured for driving an endoscope lead screw (15) to rotate. An endoscope clamping apparatus (2) is in a screw fit with the endoscope lead screw (15) and can slide along the guide rail (11). An endoscope (3) is fixedly mounted on the endoscope clamping apparatus (2). A working sleeve (1) is fixedly mounted on the base (13), and the central axis coincides with the rotation axis of the rotating platform (12). The second motor (17) is configured for driving an actuator lead screw (16) to rotate. An actuator driving platform (6) is in a screw fit with the actuator lead screw (16). The actuator driving platform (6) is mounted on the guide rail (11) in a sliding fit manner and configured for mounting an actuator (5) and a motor driving module (7). The actuator (5) and a working channel of the endoscope (3) are coaxially arranged.

To provide devices for closing a wound, such as a tissue defect resulting from an endoscopic mucosal resection or endoscopic submucosal dissection procedure.SOLUTION: A device for closing a wound includes a closure element 100 having a delivery configuration and a deployed configuration, the closure element configured to be disposed about an endcap 120 of an endoscope in the delivery configuration. A release filament 102 may have a distal end 102d releasably coupled to the closure element, and a proximal end extending within the endcap. The closure element may be configured to substantially close about the wound in the deployed configuration.SELECTED DRAWING: Figure 1B

The utility model discloses a surgical clip applier, which comprises a detachable clip head, a clip rod, a handle part, a driving piece and a connecting piece, wherein the connecting piece is sleeved in the clip rod and is used for detachably connecting the driving piece and the clip head; the connecting piece is detachably connected with the tong head and the driving piece. The connecting piece comprises a push rod sleeving the forceps rod, a push rod joint arranged at the front end of the push rod and connected with the forceps head, and a forceps rod joint arranged at the rear end of the push rod and connected with the driving piece; the forceps rod is connected with the handle part through the rotating wheel; the driving piece comprises a threaded rod and a threaded rod seat arranged at the tail end of the threaded rod; the front end of the threaded rod is detachably connected with the forceps rod connector through the forceps rod connecting sleeve. The pair of forceps has the advantages that the forceps heads are convenient to disassemble and replace, and the use cost is relatively low.

This invention discloses a variable stiffness flexible surgical robot platform based on a lock-shaped structure, comprising a drive unit and an access carrier. The drive unit controls the access carrier to switch between a flexible state and a rigid state via a drive rope and a variable stiffness rope. Multiple joints of the access carrier are sequentially hinged together by joint connectors, allowing relative rotation. Each joint connector includes a connecting shaft, a spring, and an engagement end cap. One end of the spring is bonded to a joint ear plate, and the other end is bonded to the inside of the engagement end cap, with the inside of the engagement end cap embedded in a groove on the ear plate. The mating surfaces of the connecting shaft and the engagement end cap have meshing teeth. In the flexible state, the engagement end cap is supported by the spring, and the teeth on the connecting shaft and the engagement end cap are in a separated state, allowing adjacent joints to rotate freely. In the rigid state, the variable stiffness rope engages the teeth on the connecting shaft and the engagement end cap, converting the tension of the variable stiffness rope into a resisting torque between the joints, thus making the access carrier rigid.

The utility model provides an arthroscopic surgery liquid collecting bag capable of preventing liquid from overflowing, which is characterized in that the back surface of the liquid collecting bag is connected with a drape, the back surface of the liquid collecting bag is provided with a liquid collecting opening, the front surface of the liquid collecting bag is provided with an unfolding part, the top of the unfolding part is fixedly provided with an adjustable aluminum strip capable of supporting the unfolding part, and the edge of the unfolding part is fixedly provided with a fixed aluminum strip in a surrounding manner. The fixed aluminum strip and the adjustable aluminum strip jointly keep the unfolding part to form a three-dimensional liquid collecting area; the lower end of the liquid collecting bag is provided with a liquid discharging pipe, the liquid discharging pipe is provided with a sealing plug, and the sealing plug is matched with the inner diameter of an outer port of the liquid discharging pipe; a plurality of reinforcing patches are fixed to the top end of the back face of the liquid collecting bag and matched with the hole towel in an adhering mode. By improving the liquid collecting structure, providing a flexible discharging mechanism and enhancing the stability of the bag body, the environment cleanliness, the operation stability and the equipment use convenience in the operation process are improved, and the use effect is good.