58 results about "Hand surgery" patented technology

The invention relates to a medical device, in particular to an oblique slip screwdriver operating rod for hand surgery. The operating rod is composed of a grab handle, a spring fixing disk, an unlocking spring, a movable lever, a movable block, an oblique fork, a locking spring, a spring case, a locking block, an unlocking cavity, a replacement head, a locking hole, an operating rod and a spring hole, wherein, the bottom end of the operating rod is equipped with a blind hole which is concentric with the operating rod; a base of the replacement head is positioned in the blind hole on the bottom end of the operating rod; the top surface of the operating rod is equipped with the longitudinal spring hole; the unlocking cavity positioned on the side wall of the operating rod is arranged just below the spring hole, and the unlocking cavity is a strip space with a rectangular cross section; the lower end of the spring fixing disk is equipped with the movable lever which is integrated and concentric with the spring fixing disk; the lower end of the movable lever is integrated with the movable block in the unlocking cavity through a circular hole on the bottom of the spring hole; and the lower end of the movable block is equipped with the oblique fork which is integrated with the movable block.

The invention provides an auxiliary rehabilitation device, system and method for hand surgery rehabilitation training. The auxiliary rehabilitation device comprises: a glove main body worn by a user and provided with finger parts; pressure sensors used for detecting pressure numerical values at the fingertips of the finger parts in real time; bending angle sensors used for detecting the bending degree of the finger parts in real time; and a central processing unit which is in communication connection with the pressure sensors and the finger bending angle detection sensors, is used for processing the pressure values and the finger bending degree to obtain denoised effective data, and transmits the effective data to a doctor data end and a patient data end. According to the auxiliary rehabilitation device, the pressure sensors and the finger bending angle detection sensors are arranged on a traditional pressure glove to obtain active rehabilitation training time and real-time hand movement data of the patient, and the patient can be helped to be trained regularly in a targeted mode.

The invention discloses a rehabilitation nursing exercise device for the hand surgery. The rehabilitation nursing exercise device comprises a bottom plate, a first lock catch, a first fixing belt, a sub sticking belt, an inflation sleeve, an air cylinder, a joint exercise massage sleeve and the like. A hand of a patient is put into the device, the palm is wrapped through inflation of the inflationsleeve, acupoint protruding blocks are arranged inside and can press acupoints, the surface air cylinder pushes a three-link mechanism to move, fixation is achieved through buckles, the three-link component is connected with the inflation sleeve and the joint exercise massage sleeve, bending is achieved through a plurality of movable shafts on the three-link mechanism, the air cylinder retracts to straighten the three-link mechanism, the air cylinder pushes the three-link mechanism back and forth to achieve the purpose of moving palm joints of a patient, and positive effects are achieved on rehabilitation of the palm of the patient. An electric heater in the arranged joint exercise massage sleeve drives an electric heating wire to heat so that fingers of the patient cannot feel cold whenentering the joint exercise massage sleeve, and the problem that the fingers are cold due to long-time placement is solved; and a first motor drives a sliding block on a lead screw to move, and a second motor on the sliding block drives massage balls to rotate to massage the fingers of the patient.

The invention relates to the technical field of hand surgery operation tables, and discloses a multi-freedom-degree adjustable hand surgery operation table. The hand surgery operation table comprises an operation table base, a multi-freedom-degree platform support, a ball stand column, a multi-freedom-degree hand fixing platform, a pressing cover and a clamping mechanism. The multi-freedom-degree platform support is fixedly installed at the upper end of the operation table base, and a hemispherical nest groove is formed in the upper end of the multi-freedom-degree platform support. The ball stand column capable of rotating in a universal mode is arranged inside the hemispherical nest groove. The hand surgery operation table is reasonable and compact in structure and convenient to use. The multi-freedom-degree hand fixing platform can rotate by 360 degrees in a three-dimensional and multi-freedom-degree mode along with the ball stand column inside the hemispherical nest groove in the multi-freedom-degree platform support, the rotating angle is large, and flexibility is high; a doctor can adjust the angle of the multi-freedom-degree hand fixing platform at any time according to operation requirements, in this way, a hand wound is exposed within the visual range of the doctor to facilitate the operation, the adjusting difficulty is lowered, working intensity in the operation is lowered for the doctor, and the success rate of the operation is increased.

The invention relates to the technical field of revascularization and vascular repair and discloses a rat model for replantation after vascular injury. A process includes: step one, model selection; step two, rat anesthesia; step three, femoral artery cutting; step four, femoral artery suture; step five, postoperative management. The invention further discloses an assessment method of the rat model for replantation after vascular injury. The rat model which is convenient and quick in modeling, economical, low in cost and extensive in application range is provided for the field of vascular injury and repair research. An extensive platform is provided for researching specialized clinical therapeutic methods for hand surgery, plastic surgery, reparative and reconstructive surgery and the like, application to observation of curative effects of related medicines used after vascular injury is realized, and whether endangium, smooth muscle cells and related vascular activating factors participate in a repair process or not and related mechanisms in a vascular injury and repair process can be explored.

The invention discloses an osteoporosis prevention exerciser for the hand surgery. The exerciser comprises a placing plate, a fixing mechanism, and multiple exercising mechanisms; the fixing mechanism is mounted on one side of the placing plate and used for fixing the placing plate to the wrist of a user; the multiple exercising mechanisms are all installed on one side of the placing plate; when the fingers of a user are inserted into the corresponding exercising mechanisms respectively and bend, the exercising mechanisms rotate, so that the finger joint parts of the user are subjected to bending exercising. With the exerciser of the invention adopted, the single finger of the user can be exercised; and in the exercising process, the strength of the user can be adjusted through elastic mechanisms, so that the exerciser can be used by different users conveniently; finger grip strength exercising can be achieved, finger opening force exercising can be achieved, and the left hand and the right hand of the user can be both exercised.

The invention discloses a hand recovering and training device for hand surgery medical care and nursing. The hand recovering and training device comprises a main body, a finger rod telescopic structure and a finger rod transmission structure, wherein a hand groove is formed in the upper end surface of the main body; a loop adhering layer is arranged at the tail end of the hand groove; a hook adhering layer is connected to the left side of the loop adhering layer; a drive plate is arranged on the left side of the main body; an interlayer is arranged in the hand groove; an electrode piece is arranged on the right side of the interlayer; the finger rod telescopic structure is arranged in the inner part of the upper end of the hand groove; a finger rod connecting structure is arranged in the finger rod telescopic structure; and the finger rod transmission structure is arranged on the outer side of the finger rod connecting structure. According to the hand recovering and training device disclosed by the invention, through the finger rod telescopic structure, adjustment can be performed in accordance with the situation that the lengths of the hand fingers are not the same, so that the situation that people of different hand shapes can use the device can be guaranteed; and finger tips are arranged, and during using, a user can conveniently sleeve the top ends of the fingers in the finger tips, so that during rotating, the fingers cannot be separated from the training device can be guaranteed.

The invention provides a screwdriver containing a clamp pin in hand surgery, comprising a step shaft type screwdriver rod 11, a hollow step shaft type clamping head 12 and a hollow step shaft type clamping sleeve 13, wherein, the left end of the step shaft type screwdriver rod 11 is a connecting part, the right end thereof is a screwdriver and the middle section thereof is a larger diameter section; the inner hole of the hollow step shaft type clamping head 12 is a step hole, the larger hole diameter section of the right end thereof is matched with the larger diameter section of the screwdriver rod, and the right end of the hollow step shaft type clamping head 12 is provided with a ring groove; the left end of the outer wall of the clamping head is convexly provided with a handle, the right end thereof is a conical head part which is expanded toward the end, and the middle section thereof is a larger outer diameter section; the wall of a shaft cylinder of the right end of the clamping head is processed with a plurality of long grooves; and the inner hole of the hollow step shaft type clamping sleeve 13 is a step hole, and the larger hole diameter section of the left end thereof is matched with the larger diameter section of the clamping head. The screwdriver has the beneficial effects of being capable of holding a medical screw stably and firmly, having simple and convenient operation, bringing convenience for use of doctors, having simple structure and being convenient to carry out production and manufacture, thus controlling cost.

The invention relates to a medical appliance, in particular to a backwards-turnable type hand surgery quick-assembling handle. The backwards-turnable type hand surgery quick-assembling handle consists of a base, a positioning groove, an anti-rotation groove, a sleeve, a positioning block, a snap ring, a tail disk, a spring, a handle, a raised strip and a replaceable head, wherein the base is cylindrical; an n-shaped positioning groove is formed on a side wall of the base; the positioning block is a cubic bulge positioned on a side wall of the left end of the handle; the positioning block and the handle are formed into a whole; and the positioning block is positioned in the positioning groove and is movably matched with the positioning groove. Compared with the prior art, the backwards-turnable type hand surgery quick-assembling handle fully avoids stripping between a screw driver or a screw tap and a handle by adopting the n-shaped positioning groove to lock the base of the replaceable head and the handle when used, is stable, and can be conveniently and quickly assembled and disassembled at the same time.

The invention discloses a vascular stretching device used for microsurgery in the hand surgery department, and relates to the technical field of vascular stretching devices. The vascular stretching device comprises a bottom frame, a vertical plate is arranged on the upper surface of the bottom frame, a first through hole and a second through hole are formed in the front side of the vertical plate,and a driving motor is arranged on the inner wall of the first through hole. According to the vascular stretching device used for the microsurgery in the hand surgery department, through the mutual cooperation of supporting plates, placement plates, ring sleeves, an air bag, threaded columns, thread caps and the driving motor, at this moment, the air bag is inflated, blood vessels can be simply positioned, at this time, the driving motor can be controlled to work to drive the threaded columns to rotate, the thread caps drive the supporting plates and the ring sleeves to move, the two ring sleeves move close to each other, and it can be achieved that the blood vessels on the two sides are stretched; the situation that in the blood vessel stretching process, the vascular stretching device shakes and the blood vessels on the two sides are misplaced can be prevented, and it can be ensured that the blood vessel suture process is smoothly carried out to a certain extent.

The invention discloses an osteoporosis prevention exerciser for the hand surgery department. The exerciser comprises a hollow shell; four functional through grooves are formed in the top of the hollow shell at equal intervals in a penetrating mode; adjustable finger pressing components which can synchronously change the magnitude of elastic exercise force in real time according to needs in a real-time exercise process and are matched with the four functional through grooves are arranged in the hollow shell. The osteoporosis prevention exerciser for the hand surgery department is different from the prior art in that the osteoporosis prevention exerciser can change the real-time pressing force at a limit pressing position in the real-time pressing process through the real-time pressing of the adjustable finger pressing components and the transmission fit of the structural characteristics of the osteoporosis prevention exercise, and therefore, the flexibility of the use of the finger force device can be effectively improved, a user can adjust the proper exercise pressing force in real time according to the health condition of the fingers of the user in the real-time exercise process.The osteoporosis prevention exerciser is ingenious in structure, convenient to use, flexible and efficient, and effectively improves the exercise use experience of osteoporosis prevention of patientsin the hand surgery department.

The invention relates to the technical field of medical instruments, and discloses a hand surgery rehabilitation exercise device. The hand surgery rehabilitation exercise device comprises a limiting plate, wherein a first rotating rod is movably connected to the bottom of the limiting plate, a first rotating disc rotates to drive an ejector block to move up and down along a supporting rod, cross rods of the first rotating rod get close to each other and then get away from each other, the limiting plate changes between the horizontal direction and the vertical direction, when the limiting plateis horizontally placed, the limiting plate automatically moves to the upper surface of the palm to limit the palm, so that when the hand is exercised, the palm has a moving space, muscle strain caused by direct fixation is avoided, after exercising is completed, the palm is automatically released from being limited, the operation is more convenient and faster, a loop bar inner pipe drives a second connecting rod to rotate to enable a second ejector rod to move up and down, the second rotating rod is driven to rotate, so that a supporting plate of the second rotating rod continuously changes between a vertical state and a horizontal state, joints between fingers and a palm continuously bend and stretch, the hand is automatically exercised, and the recovery of the hand is promoted.

The invention discloses a hand surgery functional position bolster, and belongs to the field of medical rehabilitation care instruments and equipment. According to the invention, an upper arm supporting pad is movably connected to one side of the end of a forearm supporting pad. A snap rotation mechanism is horizontally arranged on the upper arm supporting pad along the middle of the side of the forearm supporting pad. A snap support connection plate is arranged between an arm support placement base plate and a forearm support rotation plate. The ends of the upper and lower sides of the snap support connection plate are respectively hinged to the forearm support rotation plate and the arm support placement base plate. A support plate adjusting mechanism is arranged between the arm supportplacement base plate and the forearm support rotation plate. Forearm limit mechanisms are arranged on the two sides of the forearm support rotation plate. A rehabilitation training mechanism is arranged on the upper side of an end of the forearm support rotation plate. The hand surgery functional position bolster provided by the invention has the advantages of reasonable structural design and convenient operation. With the bolster, a supporting position can be highly efficiently and conveniently adjusted according to patient arm medical care needs, such that patient arms can be stably and comfortably placed and supported. The bolster also has an arm rehabilitation training function, meeting medical care needs.

The invention relates to a finger fixator for hand surgery microsurgery. The finger fixator comprises a base plate and a plurality of supporting columns. The multiple supporting columns are tightly arranged and evenly cover the working face of the base plate. The supporting columns are used for supporting fingers and the bottom of a palm of a patient in a microsurgery, so that the relative positions of the fingers and the palm of the patient are fixed; the finger fixator further comprises at least one fixing handle, and the fixing handles are matched with the supporting columns and used for buckling and tightly pressing the fixing portions of the fingers and the palm of the patient. Wherein the bottom of the base plate and the supporting end of the supporting column are filled with an electrorheological fluid, when a finger or a palm of a patient is placed on the base plate, the supporting column and the supporting end are in a free moving state, and after the position of the finger or the palm of the patient is adjusted, working voltage is applied to the electrorheological fluid, and the electrorheological fluid acts on the supporting column. The base of the base plate and the supporting end are hardened, so that the fingers or the palm of the patient is fixed.

The invention discloses an arm supporting frame used for hand surgery. The arm supporting frame comprises a table board sucking disk, an outer rod cover, a positioning pin, an inner rod cover and a U-shaped arm supporting plate, wherein the top end of the inner rod cover is movably connected with the U-shaped arm supporting plate; two sides of the bottom end of the U-shaped arm supporting plate are independently provided with a positioning insertion plate; the U-shaped arm supporting plate is provided with a binding belt group, and the binding belt group consists of binding belts which are inlongitudinal array distribution; and two ends of the binding belt group are independently provided with an auxiliary hook and loop fastener. The binding belts which penetrate through two sides of theU-shaped arm supporting plate are arranged on the U-shaped arm supporting plate, two ends of each binding belt are independently provided with the auxiliary hook and loop fastener, the bottom end of the U-shaped arm supporting plate is provided with the positioning insertion plate with main hook and loop fasteners corresponding to the auxiliary hook and loop fasteners, so that the binding belts can be easily installed and disassembled so as to be convenient replacement and cleaning. By use of the arm supporting frame, the U-shaped arm supporting plate is set into a rotation type along the inner rod cover, and rotates to an electronic control type so as to be favorable for regulating an arm angle according to a wound position, and the arm supporting frame is convenient and quick and is favorable for improving operation efficiency.

A surgical probe has a housing (10) extending along a longitudinal extent from a proximal end to a distal end. A longitudinal cavity (14) is provided inside the housing and extends along a proximal-distal direction inside the housing, the cavity being open at a proximal front face and being closed at a distal front face. The housing includes an aperture (11) provided in a distal region of the housing and through which the longitudinal cavity is in communication with the exterior of the housing at a circumferential position of the housing, such that the longitudinal cavity (14) is open at a circumferential position through the aperture (11). A blade (31) has a cutting edge (311) and an actuation transmission mechanism (32) inside the housing and in the longitudinal cavity, and the blade (31) is disposed distal of the actuation transmission mechanism (32). The blade is displaceable in the cavity such as to move the blade between a retracted position in which the blade is entirely contained inside the housing and an operative position in which the cutting edge of the blade is provided at least partially outside the housing. The actuation transmission mechanism is operatively connected to the blade such that an actuation of the actuation transmission mechanism causes displacement of the blade, wherein the blade (31) and the actuation transmission mechanism (32) are integrally provided with each other to form an integral blade unit. The probe may in particular be suitable for hand surgery, for an instance for carpal tunnel, trigger finger or de Quervain's tenosynovitis release

The invention relates to an arm bracket after hand surgery, belonging to the technical field of medical equipment. The arm bracket comprises an upper arm bracket and a forearm bracket, wherein a position adjusting plate is arranged at one end of the upper arm bracket; multiple limiting clips are arranged on the position adjusting plate; a turning wheel is also arranged on the upper arm bracket and is movably connected with the forearm bracket; a support rod is arranged below the forearm bracket; when the support rod is clamped on different limiting clips, different angles can be kept between the upper arm bracket and the forearm bracket; and hydrogel blocks are arranged on the upper surfaces of the upper arm bracket and the forearm bracket.

The invention discloses a hand bracket special for hand surgery, which comprises an arc-shaped supporting plate and an arc-shaped cover plate, the arc-shaped cover plate is rotated into a cavity from an opening or rotated out of the cavity to form an enclosure with the other end of the arc-shaped supporting plate, and the supporting mechanism is arranged below the hand bracket and is used for supporting the hand bracket and adjusting the angle of the hand bracket. Through the effect of the arc-shaped supporting plate, the arc-shaped supporting plate is used for supporting arms of a patient and is used in cooperation with the arc-shaped cover plate, the arc-shaped cover plate and the arc-shaped supporting plate can be used for defining a cylinder according to requirements, the arms of the patient are fixed in the hollow cylinder, and the arc-shaped supporting plate is used for limiting movement of the arms of the patient and improving stability in the treatment process. The movable shielding plate is used for shielding, the through holes are opened according to requirements, treatment work such as infusion can be conveniently carried out on the arm, infusion pipelines and the like can be clamped and fixed through the notches in the shielding plate, the pipelines are prevented from being mutually crossed and disordered, and the treatment safety is improved.

The invention belongs to the technical field of operating tables, and particularly relates to a debridement operating table for the hand surgery department. An arc-shaped guide opening is formed in the table top, the bottom end of the guide opening is connected with a collecting cavity with the arc-shaped section, a liquid outlet is formed in the middle of the bottom end of the collecting cavity, a collecting pipe is connected to the liquid outlet, the top end of the collecting cavity is connected with an arc-shaped containing plate through a connecting rod, and a set of liquid leakage openings are formed in the containing plate. An arc-shaped cavity is rotationally connected to the side, corresponding to the top end of the collecting cavity, of the table top, a flushing head is arranged on the inner wall of the arc-shaped cavity, and a magnetic block capable of attracting the flushing head is arranged on the outer wall of the arc-shaped cavity. According to the operating table, the situation that the external environment is polluted due to the fact that flushing fluid splashes everywhere when a wound is flushed can be effectively reduced, and the using effect of the operating table is greatly improved.

The invention provides a hand surgery department surgery operation desk. The hand surgery department surgery operation desk comprises a positioning plate provided with multiple leakage holes, the positioning plate is provided with a finger positioning device, the finger positioning device comprises multiple slide grooves and multiple finger positioning buckles, the multiple parallel slide grooves and the multiple finger positioning buckles are parallel, the multiple slide grooves are formed in the positioning plate, the multiple finger positioning buckles are arranged on the positioning plate, the finger positioning buckles comprise slide sheet parts which are provided with center holes and arc parts, the arc parts extend upward, the arc parts are matched with cylindrical surfaces of fingers, the finger positioning buckles are arranged in the slide grooves through bolt sleeves in a sleeved mode, and interval sizes and extending angles of the multiple slide grooves are matched with the naturally flatwise spreading states of five fingers of a person. The hand surgery department surgery operation desk is applicable to finger fixation of hand shapes with all sizes and surgery of left and right hands and the metacarpal dorsal side, and has the advantages that one plate has multiple purposes; the hand surgery department surgery operation desk is easy and reliable to operate, and flexible and convenient in intraoperative adjustment; the exposure of operation field is benefited, and the operation time is shortened; the hand surgery department surgery operation desk further has the advantages of being convenient to disinfect and capable of being repeatedly utilized.

The application discloses a finger fixator for hand surgery. The finger fixator comprises a fixing plate, wherein palm patterns are symmetrically formed on two side surfaces of the fixing plate respectively, and a plurality of finger fixing holes are formed in the positions on the two sides of each finger of the palm patterns, of the surface of the fixing plate respectively. An interval space is formed between every two adjacent fingers of each palm pattern, finger hoops are also arranged, and one side of each finger hoop is detachably fixed to a corresponding finger fixing hole through a finger fixing nail. All fingers are separately fixed, fixation is firm and reliable, and the surgical field and operation of an operator are not hindered. After fixation is performed, the operation visualfield in the whole operation process basically cannot influence the operation of an operator due to the change of finger positions, particularly when the finger fixator is used for fine operations such as internal fixation of anastomotic blood vessels, nerves, tendons and fracture steel plates.

The invention relates to the field of hand surgery exercise equipment, in particular to an osteoporosis prevention exercise device for hand surgery. The device comprises an exercise device, the exercise device at least comprises a silica gel wrist guard, a supporting plate is fixedly connected to the upper side of the right surface of the silica gel wrist guard, a fixing block is fixedly connected to the middle of the upper surface of the supporting plate, a sliding groove is formed in the right wall of the fixing block, and a sliding block is slidably connected into the sliding groove; a supporting block is fixedly connected to a right arm of the sliding block, a plurality of pull holes are formed in the right side of the upper surface of the supporting block, elastic rubber strips are slidably connected into the pull holes, fingerstalls are fixedly connected to the bottom walls of the elastic rubber strips, and the fingerstalls are of a left-right communicating circular truncated cone structure. The osteoporosis cannot be prevented due to the fact that people cannot take exercises with large strength or take exercises with small strength.

The invention discloses a blood vessel retractor for hand surgery microsurgery, and relates to the technical field of blood vessel retractors. The blood vessel retractor comprises a supporting device,an up-down moving device, a left-right sliding device, a driving device, a positioning device and an executing device; the supporting device comprises a supporting column, and the up-down moving device comprises a moving ring and a fixing ring; the driving device comprises a motor and a driving rod, the lower surface of the motor is connected with the upper surface of the sliding support, the positioning device comprises a first rotating arm and a second rotating arm, the lower end of the first rotating arm is rotationally matched with the upper end of the driving rod, and the executing device comprises a first rotating column with two ends connected with the inner surface of the second rotating arm. According to the blood vessel tractor for the hand surgery microsurgery, the design thatthe blood vessel tractor is combined with the mechanical arm is adopted, more accurate positioning can be conducted, operation can be more stable, and therefore doctors can be assisted to a certain extent, and the workload of the doctors is reduced.

The invention discloses a blood vessel traction device used for hand surgery department microsurgery. The blood vessel traction device comprises a movable element, two groups of circumferential fixingelements, a power component and a driving component, wherein the movable element is fixed on the upper end of a traction element; the two groups of circumferential fixing elements are independently arranged on two sides of the movable element; the power component is connected to the circumferential fixing elements; and the driving component is installed on the movable element and is connected with the power component. The traction device can drive a rack to move through an air cylinder so as to drive a gear to rotate, has a self-locking function and is high in safety, a rotary shaft is driventhrough the gear to rotate, and the rotary utilizes gear speed reduction to drive a rotation ring and runners arranged on the circumference to deflect for an angle; and after the runner and an arc-shaped clamping element are separated, a pressure spring is cooperated with a casing pipe and a telescopic element to drive the arc-shaped clamping element to mutually gather to clamp blood vessels, theblood vessels of different diameters can be clamped, and the movable element then drives the whole blood vessels to move to realize a traction function.