98results about How to "Meet surgical needs" patented technology

The invention relates to an operation positioning device and method and a robot operation system. The operation positioning device comprises a positioning ruler, an upper computer and a series-connection mechanical arm with at least six degrees of freedom. The upper computer is connected with the series-connection mechanical arm, the positioning ruler comprises two opposite surfaces allowing X-rays to transmit, the two opposite surfaces are fixedly connected through a connecting surface allowing X-rays to transmit, the two opposite surfaces are respectively provided with a group of marks, each group of marks comprise at least four mark points which are not located on the same straight line, and the mark points are X-ray-proof components. Any opposite surface or the connecting surface is fixedly connected with a ruler handle, and the ruler handle is connected with the tail end of the series-connection mechanical arm through a port. The upper computer adjusts the position of the positioning ruler by controlling movement of the series-connection mechanical arm, space positioning calculation is conducted according to the mark points in collected images, and a planning path is obtained. The device can achieve perspective positioning at any angle, and can eliminate system errors caused when an operation path is calculated, increase working space and improve the operation positioning accuracy.

The invention relates to a biocompatible bleed-stopping and bone healing promoting material and a preparation method thereof. The material is applied to the bone surface or bone section of a human body or an animal, and is characterized in that the biocompatible bleed-stopping and bone healing promoting material is modified starch prepared by modifying natural starch serving as a raw material, and comprises one or more than two of modified starch granules, modified starch sponges, modified starch films, modified starch foams or modified starch glues, wherein the molecular weight of the modified starch is 15,000 to 10,000,000, and the water absorption rate is 1 to 100 times; in the natural starch serving as the raw material, the content of the amylopectin is at least no less than 70 percent of the total amount of the raw material. The invention fulfills the aim of stopping bleeding through direct spraying, daubing and pasting the biocompatible bleed-stopping and bone healing promoting material to touch the bone bleeding surface of wound; meanwhile, the biocompatible bleed-stopping and bone healing promoting material has a function of promoting bone healing, and can be used in the bleed stopping in the sternotomy of Cardio-Thoracic Surgery, spinal surgeries and joint surgeries of orthopedics department, Craniotomy and maxillo-facial surgery and the bleed stopping in the process of trauma care.

The invention discloses a minimally invasive surgery robot and surgical equipment applying the same, and relates to the technical field of medical apparatus and instruments. The technical problem that an existing minimally invasive surgery robot usually cannot be flexibly applied to various endoscopic surgeries is solved. According to the minimally invasive surgery robot, a movable platform is used for driving the minimally invasive surgery robot to move among all operating rooms; a height adjusting mechanism is located in the movable platform and used for adjusting the height of the minimally invasive surgery robot to adapt to different operating bed heights; a position adjusting mechanism is connected with the height adjusting mechanism and located above the movable platform, and the position adjusting mechanism comprises a rotating joint in a horizontal plane and rotating joints in two vertical planes; a posture adjustment mechanism is connected with the position adjustment mechanism, and a dual parallelogram mechanism is adopted; a tail end actuating mechanism is connected with the posture adjustment mechanism and comprises a clamping part, a prismatic joint of driving device feed and a rotating joint, rotating around the axis of a driving device, of the driving device.

The invention relates to a novel orthopedics restoration device, comprising a bracket used for maintaining the bent-knee position of a suffered limb. The bracket comprises a panel, a substrate and a regulating element for regulating the included angle between the panel and the substrate, and the panel is thereon provided with a traction restoration module which is used for providing immediate traction and location of axial movement and circumferential movement of the limb. On the basis of stabilizing and supporting the suffered limb, the invention realizes the immediate traction of the limb along the axial direction and the circumferential direction and the restoration of the fracture caused by trauma of external force from a plurality of angles. The immediate traction along the circumferential direction solves the problems that precise restoration of the suffered limb can not be realized only by the traction along axial direction, the assistance of force applied by a doctor is required, the maintaining of stability is difficult and traction restoration is inaccurate, thus facilitating the precise restoration of the suffered limb and being convenient for operation.

The invention relates to a transurethral surgical robot and control system. The transurethral surgical robot and control system comprises a rack, the bottom of the rack is fixedly connected with a chassis, the top of the rack is connected with a support through a transmission chain, and the support is fixedly connected with a cystoscope and two surgical tools. Each surgical tool comprises a flexible continuous body mechanical arm and a mechanical arm driving device. The support comprises a cystoscope mounting seat and two surgical tool mounting seats. The cystoscope mounting seat is fixedly connected with the cystoscope. Each surgical tool mounting seat is connected with a vertical plate through a straight-line motion mechanism, the front side of each vertical plate is fixedly connected with a connecting outer cover, and the rear side of each vertical plate is fixedly connected with a plurality of first motors used for conducting turning control over the corresponding flexible continuous body mechanical arm. The transurethral surgical robot further comprises a control cabinet. The control cabinet comprises an industrial computer, an adapter plate, a plurality of motor drivers and a first displayer. The industrial computer is electrically connected with the adapter plate, and the adapter plate is electrically connected with the motor drivers and the first displayer. The motor drivers are electrically connected with the first motors correspondingly.

The invention relates to an ultrasonic debridement surgical system which comprises a main machine, a debridement handle and a backpedaling brake. The surgical system is characterized in that the main machine comprises an ultrasonic signal control system and a fluid concentration / rate control system, wherein the ultrasonic signal control system comprises an ultrasonic signal generator and a frequency measuring and controlling device; the fluid concentration / rate control system comprises a fluid concentration generator and a rate / concentration measuring and controlling device; and the debridement handle comprises a transducer, an amplitude transformer and an ultrasonic debridement tool bar. By controlling the concentration and the rate of flushing fluid and the size of ultrasonic energy, the system can effectively perform debridement according to patient's condition, and is convenient for different trauma operations.

The invention relates to a novel orthopedics restoration device, comprising a bracket used for maintaining the bent-knee position of a suffered limb. The bracket comprises a panel, a substrate and a regulating element for regulating the included angle between the panel and the substrate, and the panel is thereon provided with a traction restoration module which is used for providing immediate traction and location of axial movement and circumferential movement of the limb. On the basis of stabilizing and supporting the suffered limb, the invention realizes the immediate traction of the limb along the axial direction and the circumferential direction and the restoration of the fracture caused by trauma of external force from a plurality of angles. The immediate traction along the circumferential direction solves the problems that precise restoration of the suffered limb can not be realized only by the traction along axial direction, the assistance of force applied by a doctor is required, the maintaining of stability is difficult and traction restoration is inaccurate, thus facilitating the precise restoration of the suffered limb and being convenient for operation.

A robotic operating arm for a fundus retinal microsurgery relates to a minimally invasive actuator. The present invention solves the problem of poor accuracy and stability of the surgical instrumentsin surgical operations in the prior art. The robotic operating arm comprises a cantilever rotation module (1), and further comprises a link assembly (2), an end actuator assembly (3), a base (A), an X-axis linear guide module (B), a Y-axis linear guide module (C) and a Z-axis linear guide module (D). The X-axis linear guide module (B) is horizontally mounted on the base (A); the Y-axis linear guide module (C) is mounted on the X-axis linear guide module (B); the Z-axis linear guide module (D) is mounted on the Y-axis linear guide module (C); the cantilever rotation module (1) is mounted on theZ-axis linear guide module (D); a linkage rod assembly (2) is mounted on the cantilever rotation module (1); and the end actuator assembly (3) is attached to the linkage rod assembly (2). The roboticoperating arm is used in the fundus microsurgery.

The invention relates to an orthopedic robot navigation device and a positioning system. The orthopedic robot navigation device comprises a machine seat and a four-freedom degree biplane positioning mechanism, wherein the four-freedom degree biplane positioning mechanism is arranged on the machine seat and connected with the machine seat. The four-freedom degree biplane positioning mechanism comprises a first series connection mechanical arm, a second series connection mechanical arm and a straight lever-shaped guide device, wherein the first series connection mechanical arm comprises a firsthorizontal motion assembly, a first vertical motion assembly and a first cardan joint which are connected in series; the second series connection mechanical arm comprises a second horizontal motion assembly, a second vertical motion assembly and a second cardan joint which are connected in series; both the first horizontal motion assembly and the second first horizontal motion assembly are connected with the machine seat; and the straight lever-shaped guide device realizes the self positioning by being clamped with the first cardan joint and the second cardan joint respectively. The device isarranged at the side surface of the wounded limb, realizes the accurate positioning by the straight lever-shaped guide device and is suitable for a bone fixing operation of any wounded limb part, thereby more favorably meeting the requirement of the operation.

The invention relates to a transurethral surgical robot system which comprises a cabinet. The bottom of the cabinet is fixedly connected with a base plate, the top of the cabinet is connected with a support through a transmission chain, a cystoscope and two surgical tools are fixedly connected onto the support, the cystoscope comprises a cystoscope body and a cystoscope body driving unit, the cystoscope body comprises a high-definition camera with an illumination module, a fixed disk, two first structural bones, a second structural bone, a supporting component and a thin-walled tube, the two first structural bones and the second structural bone are triangularly and uniformly distributed, the front ends of the structural bones are jointly tightly connected to one side of the fixed disk, the other side of the fixed disk is fixedly connected with the high-definition camera, the supporting component is of a slender structure, the rear end of the supporting component is connected with the cystoscope body driving unit, a channel is arranged on the surgical supporting component, cables of the first structural bones, the second structural bone and the high-definition camera penetrate the channel, the rear ends of the two first structural bones and the second structural bone penetrate the supporting component and then is connected with the cystoscope body driving unit, and the thin-walled tube sleeves the outside of the supporting component.

The invention relates to an auxiliary device for hip joint replacement operation. The device comprises a bedstead and a bed plate, wherein the middle part of the top end of the bedstead is provided with a buttocks-supporting plate which can move back and forth and lift; the left and right sides of the bedstead are respectively and slidably connected to sliding plates capable of sliding forwards and backwards, the top end of each sliding plate is hinged to a working plate, the bottom of each working plate is provided with leg supporting rods with adjustable height, the inner sides of the working plates are provided with jacking plates capable of moving leftwards and rightwards and inclining forwards and backwards, and the top end of each jacking plate is provided with a push plate and a folding plate which can independently adjust the inclination angle and are hinged to each other; and the left and right sides of the rear end of the bedstead are hinged to telescopic lifting plates, thetop ends of the lifting plates are hinged to bridge plates, the inner ends of the two bridge plates are movably connected and slidably connected to a moving plate, a rotating plate capable of horizontally rotating and moving up and down is arranged on the moving plate, and two leg lifting clamps hinged to each other are arranged at the bottom end of the rotating plate. The device effectively solves the problems that: the body position cannot be changed in the prior hip joint replacement operation, the body position of a patient cannot be firmly fixed in the operation, and the part to be operated cannot be fully exposed.

The invention relates to a surgical robot and a mechanical arm connecting device for the surgical robot. The mechanical arm connecting device comprises a first pipe section and a second pipe section. The center axis of the first pipe section is perpendicular to the center axis of the second pipe section. A first flange plate is arranged at one end of the first pipe section, the other end of the first pipe section is perpendicularly connected with one end of the second pipe section, and a second flange plate is arranged at the other end of the second pipe section. The first flange plate is connected with a stand column of the surgical robot. The second flange plate is connected with a mechanical arm of the surgical robot. The mechanical arm connecting device allows the mechanical arm to move forwards, leftwards and rightwards within a wider range and larger space, and facilitates positioning of the mechanical arm before surgery, so that larger surgical space can be obtained. Mechanical arms can be installed on all four sides of the stand column, both independent use of one mechanical arm and simultaneous use of two, three or four mechanical arms can be achieved, and surgical requirements with different installation demands are met through various combinations of mechanical arms in different positions.

The invention relates to an orthopaedic robot guide needle positioner, a navigation unit and a positioning system. The orthopaedic robot guide needle positioner comprises a curved guide positioning device. The curved guide positioning device comprises a connecting rod and a support which are mutually connected, a sliding sleeve capable of sliding along the axis of the connecting rod is arranged on the connecting rod, a sleeve fixing structure is arranged on the support, a guide sleeve used for guiding a guide needle is fixedly disposed through the sleeve fixing structure, and the axis of the guide sleeve forms an angle ranging from 15 to 75 degrees with the axis of the connecting rod after the guide sleeve is disposed. By the arrangement of the curved guide positioning device, the guide needle for cooperation can be greatly shortened and is enabled to be far away from a mechanical arm of an orthopaedic robot, interference of the C-shaped arm and the guide needle is removed, and requirements on operation can be well met.

The invention relates to an advanced roller flow control valve and application. The advanced roller flow control valve is characterized by comprising a roller (1) and a roller slot (3), wherein a catheter (5) through which fluid passes is restricted between the roller and the roller slot so as to be used for performing advanced flow control and limiting lock of each step; an advanced limiting structure (7) is arranged in the roller slot (3) so as to be used for regulating the roller to enter each step and fixed at the position; therefore, the functions of flow control and fixation locking are realized. The advanced roller flow control valve disclosed by the invention can be widely applied to various medical apparatus so that the steady flow control is realized. The advanced roller flow control valve has the advantages of being simple in structure and safe and reliable.

The invention provides a flexible mechanical arm and a control method thereof. The flexible mechanical arm comprises a top end fixing device, a mechanical arm body, a base and a control device. The mechanical arm body is fastened between the top end fixing device and the base through a plurality of traction wires 6. The control device enables the mechanical arm body to complete preset deformation through the traction wires. By means of a hollow latex casing pipe, on the premise of keeping the structural characteristic of the flexible mechanical arm meeting the requirement of a medical mechanical arm, the higher deformability and the good recovery property are achieved, and more surgery requirements can be met. In addition, a sensor or other components can be mounted in the hollow latex casing pipe. The defect that a traditional flexible mechanical arm is solid is overcome, and large space is provided for the subsequent improvement.

The invention provides a big data based medical article dispensing method and system. The method comprises that a consumable request end or server identifies a request type of a medical article ordering request; according to the request type, the consumable request end or server obtains medical article reference information corresponding to each request type, and obtains first medical article historical data of medical staff and second medical article historical data of a patient in a present operation; according to the first and second medical article historical data, the medical article reference information is updated to obtain medical article information, and a dispensing request corresponding to the medical article information is sent; and a dispensing robot dispenses medical articlesaccording to the dispensing request. Thus, the medical articles can be prepared in higher efficiency, the prepared medical articles satisfy customized requirements of the medical staff and patient more, and labor consumption in the operation is reduced.

The invention provides a novel medical multi-point operating table, comprising a base, a support post, a bed and universal wheels. The support post is fixed in the middle of an upper surface of the base and comprises a fixed post, a first telescopic post located in the fixed post and a second telescopic post located in the first telescopic post. The bed is disposed at the top of the support post and comprises sequentially from left to right, a head bed, a trunk bed, a waist bed and a leg bed. The universal wheels lockable are evenly distributed on the lower surface of the base. The novel medical multi-point operating table is simple in structure and convenient to use; a multi-point component of the bed has freely adjustable height, and the surgical needs of different parts, such as the head, waist and trunk, are met; a slide slot and a slider are provided, parts to be mounted are chosen according to actual surgical needs, and surgical operating is facilitated; an anti-fouling layer and an absorbing layer are provided, effective absorption is given to blood stain and the like occurring in the operating process, bed contamination is prevented, and work difficulty is substantially reduced for medical staff.

The invention discloses a high cutting force medical water jet scalpel and an application thereof. The high cutting force medical water jet scalpel is used to cut biological tissue. The high cutting force medical water jet scalpel comprises a high pressure pipe, a liquid nozzle and a material mixing pipe, wherein a mixed material nozzle is arranged at one end of the material mixing pipe, a material mixing cavity is formed in a portion of the material mixing pipe, between the liquid nozzle and the mixed material nozzle, and a feed pipe which supplies biocompatibility particles into the material mixing cavity is arranged on the side wall of the material mixing cavity. When the high cutting force medical water jet scalpel is used, high pressure liquid enters the liquid nozzle through the high pressure pipe so as to form liquid jet flow, the biocompatibility particles added in the material mixing cavity through the feed pipe are continuously sucked into the material mixing cavity under action of negative pressure generated by the liquid jet flow, and then mixed with the high pressure liquid, and finally mixed material liquid jet flow formed by the biocompatibility particles and the high pressure liquid is sprayed out through the mixed material nozzle. Due to action of the biocompatibility particles in the mixed material liquid jet flow, the mixed material liquid jet flow generates cutting force several multiples or tens of multiples of cutting force generated by pure liquid high pressure jet flow, the purpose of incising and separating the human tissue can be achieved by using the high cutting force medical water jet scalpel, and furthermore the high cutting force medical water jet scalpel is wide in use range, and meets multiple surgical operation demands.

The invention discloses a carbon fiber composite skull repairing patch and a preparation method thereof. The skull repairing patch is formed by overlapping at least one layer of carbon fiber woven cloth and at least one layer of carbon fiber non-woven cloth. Carbon fibers of the carbon fiber woven fabric and the carbon fiber non-woven fabric are filled with matrix carbon and / or silicon carbide; the skull repairing patch has the characteristics of light weight, good biocompatibility, good chemical stability, mechanical properties similar to those of human bones, good fatigue, strong designability, no artifacts and the like, and is particularly suitable for skull repair.

The invention relates to an auxiliary robot system for ophthalmic microsurgery, and relates to a dual-arm robot system. The present invention aims to solve the problem of poor accuracy and stability of the surgical operation of surgical instruments in the prior art. The system includes a main operating table (6), the main operating table (6) is mounted on a workbench, the system also includes a 3Dvideo microscopic device (7), dual-motion arm robots (8) and a foot switch (9), the main operating table (6) is located between the dual-motion arm robots (8), the lower part of the main operating table (6) is integrated with the base of the dual-motion arm robots (8), the 3D video microscopic device (7) is hoisted above the intermediate portion of the dual-motion arm robots (8), and the foot switch (9) is connected to the 3D video microscopic device (7) and the dual-motion arm robots (8) via flexible cables and drag chains. The system is used for fundus microsurgery.

The invention discloses an adjustable three-dimensional guider for transdermal bone joint screw placement, which comprises a first arc-shaped rack and a second arc-shaped rack and a first linear rack and a second linear rack, wherein the first arc-shaped rack and the second linear rack are located in the same plane; the second arc-shaped rack and the first linear rack are connected and vertical with each other and located in the same plane; the first and second arc-shaped racks have the same radius of curvature and superposed centres of curvature; a first connector is arranged between the first arc-shaped rack and the second arc-shaped rack and is rotatably connected with the first and second arc-shaped racks; the first and second arc-shaped racks are engaged with the first and second gears on the first connector respectively; a second connector is arranged between the first linear rack and the second linear rack and is slidingly connected with the first and second linear racks; the first and second linear racks are engaged with the third and fourth gears on the second connector respectively; the first arc-shaped rack is connected with a guide sleeve, the central axis of the guidesleeve passes through a point O; the second linear rack is connected with a positioning sleeve, the central axis of the second linear rack is vertical with the central axis of the positioning sleeve mutually; and the guide sleeve and the positioning sleeve share the same plane with the first arc-shaped rack and the second linear rack.

The invention relates to a pair of reset pliers for spreading and lifting lumbar vertebral bodies, which is used for the reset of a vertebral body and the fusion and fixation of parallel vertebral bodies so as to reset the normal relation of the sagittal sequence and force line of a vertebral column. The head part of a lifting handle I and the head part of a closing handle II rotate around a rivet so as to form the rotation fit of a plier body, a threaded rod penetrates through a through hole on the side surface of the tail part of the closing handle II to form buckled movable fit with a triangular clamp groove on the tail part of the lifting handle I, a nut is embedded in the through hole of the closing handle II and forms spiral movable fit with the threaded rod, the lifting handle I is in a hollow tube slot structure, a telescopic lifting bar penetrates out of the head part of the lifting handle I and forms a telescopic lifting nozzle with the jaws of the head part of the closing handle II, and the tail part of the telescopic lifting bar penetrates through a spiral handle. The pair of reset pliers has the advantages that on the one hand, the purpose of lateral and longitudinal vertebral body resetting which is required by inter-lumbar vertebral body surgery is realized; and on the other hand, the pair of reset pliers for spreading and lifting the lumbar vertebral bodies can satisfy the surgical requirements of different vertebral damages, not only can satisfy large lifting motions, but also can accurately and finely adjust the vertebral column of a local sick body.

The invention relates to an obstetrics and gynecology dual-purpose operating table, and belongs to the field of medical equipment for the obstetrics and gynecology. The table divides a main body of anoperating bed into independent three parts of a backing board, a buttock supporting board and leg supporting boards, the three parts are connected through a flexible connecting portion, the backing board and the buttock supporting board are independently adjusted by a hydraulic cylinder, thereby achieving the function of adjusting to different postures according to actual needs, the two leg supporting boards are controlled by a position adjusting device, the height and inclination of the leg supporting boards are adjusted by the position adjusting device, cooperating with the buttock supporting board, the adjustment and transformation of various postures are achieved, different surgical and inspection items are met, the position adjusting device can also adjust the spacing of the leg supporting boards, and different surgical needs are met.

The invention discloses an abdomen expander for a spinal surgery. The abdomen expander comprises a support frame, wherein the support frame is formed by connecting four arc supports of which the sizesare one-fourth round end to end; two adjustment mechanisms and two guiding mechanisms are sequentially arranged at four connection parts of the support frame in the circumferential direction of the support frame; a base is arranged at the lower ends of the arc supports; statlocks adhered with the skin of a patient are arranged at the lower end of the base; T-shaped slots are formed in the arc supports in the circumferential direction; a plurality of circular arc limiting slots are formed in the side surfaces of the T-shaped slots; pull hook bases are arranged in the T-shaped slots; ejector blocks are arranged on the side surfaces of the pull hook bases; a spring is arranged between the corresponding ejector block and the corresponding pull hook base; support rods are arranged at the upperends of the pull hook bases in an extending manner; the support rods are matched and fixed with the circular arc limiting slots under an effect of the springs; sleeves are arranged at the upper endsof the support rod; one end of the corresponding sleeve is connected with an arc limiting block through a connecting rod; an adjusting sleeve is arranged between the corresponding sleeve and the corresponding arc limiting block; the adjusting sleeves are in threaded fit with pull hooks; guiding grooves are formed in the pull hooks; the guiding grooves are matched with guiding blocks arranged on the inner sides of the sleeves.

A knee shoulder operation elevating operation table comprises an underframe with lifting trundles; the underframe is provided with elevating rack having a bed surface; the bed surface is formed by splicing segmental bed boards, and comprises the following segments: a head segment; a back segment connected with the head segment through a connecting rod and a head portion telescopic sleeve; a butt leg segment arranged on the elevating rack; a foot segment movably connected with a corresponding shank segment. The foot segment comprises a sole movable rack movably connected with the bottom of the shank segment, a foot stool connected with the sole movable rack, and a foot pad. The knee shoulder operation elevating operation table can solve the problems that knee shoulder adjustment is hard on an existing operation table, can accurately adjust the knee shoulder positions of a patient, thus satisfying operation needs, and ensuring operation effect.

The invention discloses a skull repairing patch and a preparation method thereof. The skull repairing patch is formed by laminating one layer of carbon fiber knitted fabric and one or two layers of carbon fiber cloth, wherein the carbon fiber cloth is formed by overlapping carbon fiber woven cloth and carbon fiber non-woven cloth; matrix carbon and / or silicon carbide are / is filled between the carbon fibers of the carbon fiber knitted fabric and the carbon fiber cloth. The skull repair patch has the characteristics of light weight, good biocompatibility, good chemical stability, mechanical properties similar to those of human bones, good fatigue, strong designability, no artifacts and the like, and is particularly suitable for skull repair.

The invention discloses a sternum-clavicle integrated piece. The sternum-clavicle integrated piece comprises a sternum plate, a clavicle strip and a joint connecting the sternum plate and the claviclestrip. The sternum plate is in a sheet shape and comprises a layered object formed by twisted carbon fiber rope braid and carbon fiber nonwoven fabric through superposition and carbon matrix and / or silicon carbide arranged between carbon fibers in a filling mode; the clavicle strip is in a strip shape and comprises the twisted carbon fiber rope braid and carbon matrix and / or silicon carbide arranged between the carbon fibers in a filling mode, or comprises the layered object formed by the twisted carbon fiber rope braid and the carbon fiber nonwoven fabric through superposition and carbon matrix and / or silicon carbide arranged between the carbon fibers in a filling mode; and the joint is in a spring shape and comprises a spring body formed by weaving a twisted carbon fiber rope and the carbon matrix and / or silicon carbide arranged between the carbon fibers in a filling mode. The sternum-clavicle integrated piece has the characteristics of light weight, good biocompatibility, good chemical stability, mechanical properties close to human bones, good fatigue, high designability, no artifacts and the like, and is particularly suitable for reconstruction use.

The invention discloses hysteroscope and liquid collection minimally invasive mixed operating room equipment which comprises a rubber ball. An operation assembly is arranged on the right side of the rubber ball. According to the hysteroscope and liquid collection minimally invasive mixed operating room equipment, the expansion value of the rubber ball is not fixed, the rubber ball can continuouslyabut against the vagina of a patient, the sealing effect is ensured, the problem of overlarge stress between the rubber ball and the inner wall of the vagina of a patient is avoided, the problem of uterine distention liquid leakage due to expansion of the vaginal orifice of a patient is solved, and accurate metering of a uterine distention liquid during outflow is ensured. Through cooperation ofbolts, a first threaded rod, a support and a clamping groove, the expansion value of the rubber ball can be fixed, different operation requirements are met, whether the uterine distention liquid in the body of a patient flows out or not can be selected, and control by medical staff is facilitated. The hysteroscope and liquid collection minimally invasive mixed operating room equipment is convenient to fix, the fixing position is not limited to the body position of a patient, and time waste is reduced.

The invention discloses a retractor for spinal surgery, and relates to the field of spinal surgery. The retractor for the spinal surgery comprises a bottom plate; a supporting column is fixedly connected to the top of the bottom plate; a telescopic rod is slidably connected to the axis of the supporting column; a fixing head is fixed to the top of the side wall of the telescopic rod; two sets of square rods are fixedly connected to one side, away from a connecting rod, of the fixing head; the two sets of square rods are movably sleeved with square pipes; a fixing pipe is fixedly connected to the bottom of the square pipe; a square groove is formed in the bottom of the fixing pipe; a sliding rod is movably connected into the square groove of the fixing pipe in an inserted mode; a sleeve isfixedly connected to the bottom of the sliding rod; and a retraction cross rod is connected into the pipe cavity of the sleeve in an inserted mode. According to the retractor for the spine surgery inthe invention, the using effect of the retractor for a patient during the surgery is guaranteed; therefore, the surgery is convenient to carry out; the surgery risk is reduced; the retractor is easy and convenient to operate during using; time and labour are saved; and the usage requirements are satisfied.

A radio-frequency ablation clamp is provided with a holding portion, an expansion link, a clamp arm and a clamp body, wherein the clamp body is straight or cambered, and 5-7 cm long; and an included angle between the clamp body and the clamp arm is 90-110 degrees. The invention also provides an application of the radio-frequency ablation clamp as a medical instrument in venous ablation of atrial fibrillation treatment. According to the preceding medical device, the radian of the clamp body, the size of the opening of the clamp body, the angle of the clamp body with the clamp arm and the length of the clamp body are improved, so that the problems of the radio-frequency ablation clamp encountered in operation applications are solved and the radio-frequency ablation clamp well meets the requirements in operation. In use of the radio-frequency ablation clamp, only one radio-frequency ablation clamp is needed to complete double-side venous ablation; therefore, the number of the radio-frequency ablation clamp used can be reduced and the operation cost can be also saved for a patient. Besides, the radio-frequency ablation clamp is used with a new atrial fibrillation treatment operation method, so that the operation effect can be improved and operation wounds can be reduced.