163results about How to "Facilitate surgery" patented technology

The invention discloses an intelligent thrombus suction and cutting system, and belongs to the field of medical instruments. According to the system, the design of double pressure sensors and the intelligent pressure feedback control technology are adopted, and the suction state (blood suction, thrombus suction or complete blockage) is accurately recognized by monitoring pressure changes in a negative pressure pump pipeline and a suction catheter in real time and combining historical data analysis. The system automatically adjusts parameters of a pipeline control valve, a negative pressure pump, a peristaltic pump and the like according to the parameters, and intelligent optimization control over the suction process is achieved. The innovative integrated design of the double-cavity catheter integrates the functions of suction and thrombus breaking, when the complete blockage state is judged, the thrombus breaking program can be automatically or manually started, thrombus is quickly broken through high-speed liquid impact or thrombolysis medicine injection, and long-time suction catheter blockage is effectively prevented. The system obviously improves the thrombus aspiration efficiency, reduces the blood loss amount of a patient, optimizes the operation process, and has a good clinical application prospect.

According to the valve type opening and closing hysteroscope, before examination or operation, when an opening and closing valve is in a closed state and reaches an examination position or an operation position, the opening and closing valve is opened through an opening and closing handle, the opening and closing valve can open the examination position or the operation position, and examination or operation is conducted through a micropore camera on an imaging seat; when tissue fluid or blood blocks an examination position or an operation position, the flushing fluid assembly pumps flushing fluid into the examination position or the operation position, after flushing, the vacuum extraction assembly is started to suck away mixed fluid of the tissue fluid or the blood and the flushing fluid through the negative pressure suction hole, and after examination or operation is completed, the opening and closing valve is closed through the opening and closing handle, and the flushing fluid or the flushing fluid is pumped into the examination position or the operation position. In this way, the problem that tissue fluid or blood flowing out of the human body blocks the view field of the hysteroscope can be effectively solved, and when the opening and closing valve is closed, the imaging assembly is in a streamline shape and can conveniently stretch into the hysteroscope for examination or operation.

The utility model discloses a measurable surgical suture needle storage box which comprises a box body with an opening at one end, the box body is provided with a needle seat extending along the width direction of the box body and used for arranging and fixing a plurality of surgical needles along the width direction of the box body, and a suture fixing area positioned on one side of the needle seat, length scale marks which extend in the length direction of the box body and can display scales and a plurality of suture line fixing pieces which can correspond to the scales on the length scale marks are arranged on the suture line fixing area, the suture line fixing pieces are arranged in a plurality of rows, and fixing parts are arranged on the suture line fixing pieces; during use, one end of a surgical needle is fixed on the needle seat, and the tail end of a suture line is clamped on the fixing part. When the surgical needles of various models and specifications are fixed on the needle seat, suture lines on the surgical needles can be fixed on the corresponding suture line fixing pieces one by one according to different lengths, the surgical needles and the suture lines are arranged in order, appropriate needles and sutures can be conveniently taken according to length scale marks, convenience is provided for an operation, and the operation is facilitated.

The present invention relates to a visual puncture device, which comprises a sheath tube assembly, a puncture rod and a camera assembly; the sheath tube assembly comprises an outer sheath tube penetrating from top to bottom, the puncture rod is arranged in the passage of the outer sheath tube; the camera assembly is arranged in the passage of the outer sheath tube and can rotate an angle in the passage of the outer sheath tube. The visual puncture device of the present invention can be used to establish a surgical channel, and its camera assembly can not only rotate an angle in the horizontal direction, but also move in the longitudinal direction. Therefore, the visual puncture device can observe the surgical scene at any time and adjust the shooting angle at any time according to actual needs, so that the surgery can be carried out better.

The invention discloses an ultrasonic positioning method for sentinel lymph nodes, and belongs to the field of sentinel lymph node localization. The ultrasonic positioning method for sentinel lymph nodes comprises the following steps: S1, preoperative preparation: preparing required instruments and medicines; s2, treating a part needing to be detected by using a contrast agent; s3, aligning the output end of the ultrasonic positioning auxiliary positioning to the to-be-detected part, then generating a laser signal, and transmitting the laser signal to the to-be-detected part; s4, after the laser signal is emitted in the step S1, observing whether a feedback ultrasonic signal is received on a display; a sentinel lymph node ultrasonic positioning auxiliary device comprises a device displayer, a detector is arranged on the side face of the displayer, a processor is fixed in the displayer, by means of the sentinel lymph node ultrasonic positioning method and the sentinel lymph node ultrasonic positioning auxiliary device, the lymph node position can be accurately positioned, and therefore an operation can be conducted more easily; meanwhile, the body of the patient cannot be damaged in the positioning process.

The present invention relates to the technical field of balloon catheters, and discloses a membrane rupture balloon catheter and a method for using the same. The technical solution thereof mainly comprises a catheter, a membrane rupture hole is formed on the catheter, a membrane rupture mechanism is arranged in the catheter, the membrane rupture mechanism comprises a guide part, the guide part is used to guide a membrane rupture device to the membrane rupture hole, when the membrane rupture device is extended into the catheter, the membrane rupture device moves toward one side of the balloon, the guide part changes the moving direction of the membrane rupture device, the membrane rupture device can be moved to the membrane rupture hole through the guide part, the membrane rupture device can be quickly extended out of the membrane rupture hole, the time for the membrane rupture device to search for the membrane rupture hole in the catheter is reduced, thereby reducing the overall operation time, and the guide groove can determine the direction of the membrane rupture device when it moves out of the membrane rupture hole, so that the operator can further change the direction of the membrane rupture device, and the operation is convenient.

The invention discloses a self-drip bipolar electrocoagulation forceps, which relates to the technical field of medical devices. The technical key points are as follows: the forceps handles are provided on both sides of the electrode seat, the forceps handles are connected with conductive tips, a flow guide tube is provided on the forceps handles, a control mechanism for controlling the flow guide tube is sleeved on the forceps handles, the control mechanism comprises a control shell sleeved on the forceps handles, a through hole for penetrating the flow guide tube is provided on the control shell, a control slot is provided on the control shell, a control rod is movably provided in the control slot, a pressing rod is provided at one end of the control rod facing the through hole, a control button is connected at the other end of the control rod, a first spring sleeved on the pressing rod is provided at one end of the control slot close to the through hole, an elastic limiting plate is provided on the control rod, a limiting block is provided at one end of the elastic limiting plate away from the control rod, and a closing slot connected to the control slot is provided outside the control shell; the invention realizes long-term self-sealing and self-connection of the flow guide tube, reduces the workload of doctors, and improves convenience of use.

The utility model discloses a head support for thyroid nodule minimally invasive treatment, which comprises a fixing support, two inclined planes are arranged on the upper side of the fixing support, the connecting position of the two inclined planes is the highest point of the fixing support, the two inclined planes respectively correspond to the shoulders and the head of a patient, and an opening is formed in the highest position of the upper side of the fixing support. A neck supporting mechanism is arranged on the fixing frame and comprises a neck pillow corresponding to the opening and a lifting assembly used for adjusting the height of the neck pillow. The device has the advantages that the fixing frame is arranged to support the shoulders of a patient, the supporting plate supports the head of the patient, the neck pillow is lifted through the lifting assembly, and after the neck of the patient is lifted, the head of the patient drives the head supporting mechanism to move, so that self-adaptive adjustment of the head supporting mechanism is achieved, operation of medical workers is omitted, the workload of the workers is reduced, and the working efficiency is improved. And the follow-up design can ensure that the distance between the head supporting mechanism and the neck supporting mechanism is most suitable for the posture of the patient.

The invention relates to the technical field of ophthalmologic instruments, in particular to an ophthalmologic eyelid examination spreader which comprises a mounting frame for a patient to wear, the mounting frame comprises a first mounting rod and a second mounting rod which are symmetrically arranged, and a plurality of supporting blocks are horizontally and slidably matched with the first mounting rod and the second mounting rod respectively; sliding rods are in vertical sliding fit between the supporting blocks and the first mounting block and between the supporting blocks and the second mounting block. A deformable contact block is arranged between every two adjacent supporting blocks. An adjusting mechanism for adjusting the distance between the adjacent contact blocks is arranged between the adjacent first mounting rod and second mounting rod; a skin adsorption mechanism used for assisting in pulling eyelids is further arranged on the sliding rod in a sliding fit mode. A liquid storage cavity and a liquid outlet hole are formed in the contact block; a hollow pipe is arranged in the sliding rod and communicates with an opening control mechanism used for controlling the size of the liquid outlet hole based on sliding of the sliding rod. The eyelid supporting device is used for keeping eyes moist in the eyelid supporting process, reducing discomfort of a patient and improving supporting stability.

The invention provides a preparation method of a balloon coating, the preparation method is used for preparing a nifedipine coating on a balloon, and the preparation method is characterized by comprising the following steps: S1, adding nifedipine and iopromide into an organic solvent according to the mass-volume ratio of nifedipine to iopromide being 30-80 mg / ml to 25-45 mg / ml to obtain a nifedipine mixed solution; and S2, coating the nifedipine mixed solution on a preset part of the balloon, and drying to obtain the nifedipine coating coated on the balloon. The invention further provides the medicine balloon prepared by the preparation method. As the balloon body is coated with the balloon coating containing nifedipine, on one hand, excitation-contraction coupling of blood vessels can be inhibited, the blood vessels at the contact part of the balloon body can be expanded, and the vasospasm state can be quickly relieved, so that the balloon is easy to pass through, and the subsequent operation can be smoothly carried out; on the other hand, nifedipine can effectively reduce platelet aggregation and prevent thrombus and arteriosclerosis plaque formation.

The utility model discloses an operation device with an anti-bite structure for small animals, which belongs to the technical field of veterinary operation tool equipment and comprises lock catches with an anti-bite function for small animal operation and an operation table for small animal operation, and four lock catches convenient to adjust are arranged above the operation table. The fixed parts of the lock catches are welded to the moving parts of the linear motors, the fixed parts of the linear motors are arranged on the inner side walls of the moving grooves, the moving grooves are formed in the two sides of the fixed plate, the two ends of the fixed plate are rotationally connected with two connecting blocks, and the bottoms of the connecting blocks are welded to the top of the operation table; a moving part facilitating adjustment of the telescopic column according to the height is welded to the bottom of the operation table, a fixed part of the moving column is welded to the top of the bottom plate, and the bottom of the bottom plate is connected with the ground. The four-limb fixing device not only can fix four limbs according to the body length of a small animal, but also can be turned over according to different surgical sites, so that the use safety of the device is improved.

The utility model provides a detachable infusion support for DSA equipment, which comprises an infusion support main body, the infusion support main body comprises a rod piece, a hook and an infusion pump tray, the hook is arranged at the top end of the rod piece, and the infusion pump tray is movably arranged on the rod piece; the fixing assembly comprises a movable transverse rod and a plurality of buckling pieces, and the rod pieces are movably installed on the movable transverse rod. When an operation needs to be carried out in a DSA equipment operating room, the buckle piece in the fixing assembly is fixed to a transverse rod on the side of a DSA equipment bed body, when a patient needs to be transferred, the buckle piece is installed on the transverse rod of a transfer bed to be transferred along with the patient, and in the transfer process, the hook and the infusion pump are static relative to a sickbed; the situation that a needle falls off due to relative movement of the infusion support and a sickbed in the transfer process is avoided; the device not only can be used for hanging liquid, but also can be used for placing an infusion pump, and can be detachably mounted on DSA equipment or a bed body, so that operations or transfer and the like are facilitated, and the situations that an infusion needle falls off and the like are reduced.

The utility model discloses a sternum fixing band which comprises a lock head, a band body and a metal hook fixedly connected with the band body, the lock head and the band body are integrally formed, a lock hole is formed in the lock head, first lock teeth are formed in the lock hole, a fixing part is arranged on the band body, second lock teeth are formed on the fixing part, and the metal hook is fixedly connected with the band body. The fixing part can be bent and penetrate into the lock hole, and the first lock tooth can be meshed with the second lock tooth to fix the lock head and the belt body; the metal hook is fixedly connected with the end, away from the lock head, of the belt body, and the metal hook enables the belt body to penetrate through the chest more conveniently in an operation. By arranging the lock head, the fixing part matched with the lock head and the metal hook fixedly connected with the belt body, the sternum can be fixed more conveniently in the suturing process, and damage to intercostal soft tissue is reduced.

The utility model provides an expansion type operation shelter, including lateral and top open main shelter body, top plate, upturning plate, downturning plate and flexible baffle body, the top plate is connected with the top of main shelter body through lifting mechanism, upturning plate is articulated with the outside of top plate, downturning plate is articulated with the outside of bottom plate of main shelter body, the flexible baffle body is articulated with the bottom plate of main shelter body. A first turnover mechanism for driving the upper turnover plate to rotate in the direction away from / close to the main cabin body is installed on the upper turnover plate, and the flexible blocking body surrounds the main cabin body and the unfolded top plate, the upper turnover plate and the lower turnover plate to form a closed cabin. Longitudinal and transverse expansion spaces are increased, and the requirement of medical staff for the operation height and the requirement of simultaneous operation of a plurality of patients are met.

This application provides an interface display control method and apparatus, a computer device and system, and a computer storage medium. The method includes: determining the current display area of ​​a target instrument in a surgical environment field of view; determining an empty field of view area in the surgical environment field of view based on the current display area of ​​the target instrument; obtaining the current position of an interface icon; and if the position determines that the interface icon is obstructing the field of view, adjusting the interface icon to the empty field of view area. This achieves real-time optimization of the position of the interface icon in the surgical environment field of view, supporting the display of a richer number of icons representing the positions and execution states of more types of instruments in the surgical environment field of view, while ensuring that the interface icons do not obstruct the surgeon's view during the operation, allowing the surgeon to perform the operation more effectively.

The utility model discloses a dilation catheter which comprises a catheter body, scale marks are fixedly arranged on the surface of the catheter body, a balloon is installed on one side of the surface of the catheter body in a sleeved mode, a pressure pump is fixedly installed on the other side of the catheter body, and a guide wire is movably installed in the catheter body. The scale marks are fixedly arranged on the surface of the catheter body, the catheter body can be used for conducting nephrostomy, then the depth of penetration of the catheter body can be known through the scale marks, and narrow blood vessels or channels can be expanded through the balloon so that blood can be better supplied to the kidney. Then the catheter body can be pressurized by using a pressure pump, so that the balloon is expanded to achieve the purpose of expanding a blood vessel or retaining a stent in the blood vessel, then a pipeline entering path can be formed in advance by using a guide wire, an operation is facilitated, and the puncture depth of the catheter body can be known through matched use.

The invention provides an automatic exposure method for near-infrared first-area fluorescence imaging, which comprises the following steps of: imaging an indocyanine green sample which excites near-infrared first-area rays by using different exposure levels to obtain a series of fluorescence image data under different exposure conditions, each exposure level is determined by a specific gain and shutter speed combination; establishing a mapping relation between the gray scale and the exposure level of the fluorescence image; predicting the performance of the current fluorescence image under any exposure level based on the established mapping relation; and according to the prediction result, selecting the exposure level capable of generating the optimal image quality under the current condition as the optimal exposure level. According to the method, the fluorescence imaging automatic exposure method is specifically constructed, the change of the exposure environment can be responded in real time in the process of near-infrared first-area fluorescence molecular image surgical navigation, and correct fluorescence imaging exposure is carried out.

The utility model relates to the technical field of urology department, in particular to an operation drag hook with a fixing function, which comprises an adjusting component, the adjusting component is connected between a first fixing plate and a second fixing plate, the distance between drag hooks is adjusted by the adjusting component, and the fixing component is connected onto the drag hooks. The positions of the drag hooks are fixed through the fixing assembly, the adjusting assembly is arranged and connected between the first fixing plate and the second fixing plate, the distance between the drag hooks is adjusted through the adjusting assembly, the adjusting assembly comprises a sliding groove, the sliding groove is formed in the first fixing plate, a sliding plate is connected into the sliding groove and connected with the second fixing plate, and an adjusting piece is connected to the sliding plate. The adjusting part is used for fixing the position of the sliding plate, the sliding plate can slide in the sliding groove according to the size of a wound of a patient, then the distance of the drag hook is adjusted, the wounds of different sizes are supported, the wounds of the patient are exposed in the view of medical staff, and an operation is conveniently conducted on the patient.

The present invention discloses a multifunctional near-infrared fluorescence intraoperative navigation system and navigation method, which relates to the field of surgical navigation technology, and the specific steps are: determining the surgical field; adjusting the inclination angle of the excitation light source and the white light source according to the surgical field, and determining the range of the light spot; obtaining the fluorescence signal emitted by the contrast agent, and converting it into a fluorescent image; projecting the fluorescent image to the surgical site in real time; obtaining the distance and degree of concavity of the target tissue from the imaging system, and correcting the excitation light source; obtaining the projected image of the surgical site, and adjusting the emission parameters of the projection laser light source according to the light intensity. The present invention integrates various light sources and imaging devices into an integrated operating panel, which improves the integration of the system, and can adjust the position and hover at will, which is conducive to the operation.

The utility model relates to a bipolar operation electrode with variable working width, which comprises an electrode tip end, two stainless steel tubes and a binding post which are sequentially connected along the front-back direction, and the binding post is also connected with a cable assembly; the stainless steel pipe comprises a first pipe section, a second pipe section and a transition pipe section used for connecting the first pipe section and the second pipe section. When the first pipe sections or the transition pipe sections are set to be subjected to external force, the distance between the first pipe sections or the transition pipe sections can be adjusted, and then the width of the electrode tip end can be adjusted. According to the utility model, under the condition that the diameter of the sheath tube of the resectoscope is not changed, the width of the tip end of the electrode is increased, so that the aim of improving the operation cutting efficiency is fulfilled.

The invention relates to the technical field of medical instruments, and discloses a breast lump minimally invasive rotary cutting fixing device which comprises a fixing block, connecting plates are slidably mounted on the two sides of the fixing block, and bedside fixing plates are fixedly mounted at the ends, away from the fixing block, of the two connecting plates. A sliding groove is formed in the surface of the bedside fixing plate, a sliding block is slidably mounted on the inner wall of the sliding groove, a first telescopic rod is fixedly mounted at the top of the sliding block, and a mounting block is fixedly mounted at the driving end of the first telescopic rod. By means of the fixing assembly, a doctor can conveniently conduct operation by a single person in the operation process, meanwhile, the breast position of a patient can be effectively fixed, damage caused by unnecessary movement in the operation process is avoided, meanwhile, through arrangement of an inflation air bag, a second gear and a first gear, the doctor can conveniently conduct real-time adjustment according to the actual situation in the operation, and the operation efficiency is improved. Therefore, the breast conditions of different patients can be better handled, and the whole operation process is simpler, more convenient and more efficient.

The utility model relates to the technical field of head treatment, in particular to a head fixing device for interventional embolization, which comprises a base and a clamping device, a headrest is arranged on the surface of the base, the clamping device is arranged on the surface of the headrest, the clamping device comprises a connecting rod, the connecting rod is fixedly connected with the headrest, the surface of the connecting rod is slidably connected with a head sleeve, and the head sleeve is fixedly connected with the base. A movable rod is fixedly connected to the surface of the headrest, a first hole is formed in the side, close to the movable rod, of the head sleeve, the movable rod is slidably connected with the first hole in one side of the head sleeve, an adjusting hole is formed in the surface of the movable rod, a rotary sleeve is rotationally connected to the surface of the connecting rod, and a clamping plate is fixedly connected to the surface of the rotary sleeve and clamped with the adjusting hole in the surface of the movable rod; by arranging the clamping device, the head of a patient can be conveniently fixed, the stability of the device is improved, the operation difficulty of the device is reduced, the stability of the device is improved, and an operation can be conveniently carried out.

The present invention relates to the field of medical devices, and specifically to a bipolar electrocoagulation forceps that can be cut and bent under laparoscope, comprising a fixed handle, a movable handle, an outer tube, a forceps head and an electrical connector, wherein the outer tube is arranged on the fixed handle, the distal end of the outer tube passes through the fixed handle, and the forceps head is arranged through a bending assembly, a forceps head pusher is arranged in the outer tube, one end of the forceps head pusher is slidably connected with the forceps head and the bending assembly, and the other end extends out of the outer tube and is located in the fixed handle, the movable handle is rotationally connected with the fixed handle, and the movable handle is transmission-connected with the forceps head pusher; the forceps head and the forceps head pusher are electrically connected to the electrical connector, and the electrical connector is located outside the fixed handle and is used to connect to a high-frequency electrosurgical unit. The present invention has a reasonable structure, good electrocoagulation effect, safe use, and the position of the forceps head can be adjusted, which is more conducive to surgery.

The utility model relates to a detachable balloon device, including the outer tube, the inner tube that can slide along the outer tube axial direction is arranged in the outer tube, the front portion of inner tube is connected with the detachable and front end installation has the clamping rod spare of balloon, the clamping rod spare can realize separation with the inner tube when the inner tube exposes the outer tube and pushes forward, the needle tube that can slide along the inner tube axial direction is arranged in the inner tube, the channel that the needle head of needle tube passes through and communicates the balloon is provided with the leakage-proof structure in the clamping rod spare. The device helps to fix the intestinal tract, reduces the intestinal peristalsis, reduces the operation time, prevents the fecal water and discharges downward, guarantees the clean of the wound surface, promotes the safety of the operation patient.

The utility model relates to the technical field of medical instruments, and provides a smoke suction light source telescopic type electrotome pen which comprises an electrotome pen handle, a tool bit assembly, an LED lamp and a negative pressure suction device, the electrotome pen handle is provided with a head end and a tail end which are oppositely arranged, the end face of the head end is provided with a smoke suction opening, and a smoke suction cavity communicated with the smoke suction opening is formed in the electrotome pen handle; the tool bit assembly is telescopically mounted at the head end; the LED lamp is connected to one side of the outer wall face of the head end of the electrotome pen handle and is flush with the end face of the head end. The negative pressure suction device is communicated with the smoke suction cavity through the tail end so that negative pressure can be formed at the smoke suction opening. According to the electric knife pen with the telescopic smoke suction light source, the LED lamp arranged on the single side is adopted on the mechanism of the electric knife pen handle for real-time illumination, the brightness of the operation view is effectively improved, and convenience is brought to an operation; meanwhile, through direct smoke suction, the harm of smoke in an operation area to medical staff can be effectively removed; the tool bit assembly can stretch out and draw back within a certain range, and the deep surgery operation convenience is improved.

The utility model discloses a laparoscopic operation is with hole towel, including hole towel body, the central part of hole towel body is provided with the rectangular operation hole, the upper surface of hole towel body is located the left and right sides symmetry of operation hole and is provided with the first hem, the upper surface of hole towel body is located the upper and lower sides symmetry of operation hole and is provided with the second hem, the lower surface of first hem is provided with a plurality of first sponge pad, the lower surface of second hem is provided with a plurality of second sponge pad, the upper surface of first hem is provided with a plurality of second magic tape hook face, the upper surface of second hem is provided with a plurality of third magic tape hook face. In the utility model, the blood that flows out from operation incision can be adsorbed by a plurality of first sponge pad and second sponge pad when spreading towards the periphery, so that the random flow of blood from operation incision can be avoided, and the position outside the first sponge pad and second sponge pad can be kept clean.

The invention discloses an auxiliary abdomen pressing device for enteroscopy, and belongs to the field of medical instruments, the auxiliary abdomen pressing device comprises a bed body, a mattress, a cotton towel, an auxiliary mechanism, a positioning track, an abdomen pressing mechanism and a leg supporting mechanism, the bed body comprises a bed board, first reserved openings and electric rollers, the first reserved openings are symmetrically formed in the two sides of the bed board, and the electric rollers are rotationally arranged in the first reserved openings; the mattress is arranged above the bed board, the cotton towel is arranged above the mattress, the two ends of the cotton towel are wound on the electric rollers respectively, the auxiliary mechanisms are symmetrically arranged on the two sides of the bed board, the positioning rails are arranged at the tops of the auxiliary mechanisms in a sliding mode, the abdomen pressing mechanism is arranged in the positioning rails in a sliding mode, and the leg supporting mechanism is arranged above the mattress. The device can effectively help a medical worker to press the abdomen of a patient and meanwhile can assist the patient in turning over, the medical worker only needs to adjust the pressing mechanism, physical output of the medical worker can be greatly reduced, and the pressure of the medical worker is reduced.

The utility model provides a tongue side draw hook, relates to oral cavity draw hook technical field, including main part and clamping mechanism, said main part one end is equipped with the clamping mechanism, the clamping mechanism increases the fixation of tongue, prevents the influence of slip to the normal operation, U-shaped frame provides support for other elements, and provides side wall pull force for tongue side pull, and the U-shaped frame is equipped with the clamping mechanism. An obtuse-angle cushion reduces damage of the U-shaped frame to the interior of the oral cavity, a rotating wheel is rotated to drive a threaded rod to rotate, so that the sleeve in threaded connection moves vertically, a limiting frame is connected with a clamping groove of the sleeve for limiting, deviation is prevented, a pressing plate moves downwards, the U-shaped frame clamps the tongue, an upper friction pad and a lower friction pad increase friction between the device and the tongue, and the sliding probability is reduced; the first rotary table and the connecting rod provide the steering function of the clamping mechanism, the second rotary table and the supporting rod provide the steering function of the rotating assembly, the operation convenience is improved, the operation view field is expanded, the device is integrally fixed by clamping a nearby object through the fixing clamp, and a user can conduct an operation conveniently.

The invention relates to the technical field of medical instruments, and discloses a postoperative nursing device for a patient with lower limb deep venous thrombosis in the vascular surgery department. The postoperative nursing device for the lower limb deep venous thrombosis patient in the vascular surgery department comprises a placing plate, a distraction device is installed on the placing plate, an adjusting mechanism is installed on the placing plate and located on the bottom side of the distraction device, a pre-fixing mechanism is connected to the adjusting mechanism, and an adapting mechanism is installed on the pre-fixing mechanism. Through the arrangement of a threaded rod, a semicircular ring, an arc-end rubber plate, a soft cushion and the like, the threaded rod can be conveniently adjusted according to the wounded swelling part of a patient, healthy limb parts on the two sides of the wounded part are fixed and clamped, the pain of the patient is relieved, after the limb parts are pre-fixed through the semicircular ring, the arc-end rubber plate adapts to the sizes of different limb parts of different patients, and the operation is convenient. Therefore, stable clamping and fixing are achieved, deviation or tearing of the distraction position caused by movement of the patient is prevented, the operation process is facilitated, and the comfort degree of placing the legs of the patient is increased.

The utility model discloses a carbon fiber fixing guider for a posterior ankle hollow nail. The carbon fiber fixing guider comprises a left bent plate, a right bent plate and a guide cylinder, a sliding block is arranged on the front side of the left bent plate, a fixing plate is arranged in the middle of the left bent plate, a connecting belt is arranged on the rear side of the left bent plate, a pull ring is arranged at the tail end of the connecting belt, a sliding groove is formed in the front side of the right bent plate, an extrusion plate is arranged in the middle of the right bent plate, a fixing belt is arranged on the rear side of the right bent plate, the sliding block is slidably connected with the sliding groove, and a hook-and-loop fastener rough surface is arranged in the middle of the fixing belt. A hook-and-loop fastener hook face is arranged at the tail end of the fixing belt, the fixing belt penetrates through the pull ring and then adheres to the hook-and-loop fastener loop face, and the guide cylinder is installed on the fixing plate in a sliding mode. The left bent plate and the right bent plate are fixed to the outer side of the rear ankle part, the guide cylinder is aligned to the position where the hollow needle needs to be inserted, then the short bolt is fixed into the positioning groove to fix the guide cylinder, the hollow needle can be inserted under the condition that the guide needle is not needed, and the conditions of displacement and bone damage caused when the guide needle is taken out are avoided.