243 results about "Surgical positions" patented technology

The invention provides a surgical positioning error calculation method, a positioning error correction method and equipment. The method is applied to medical images. The method comprises the following steps: acquiring a preoperative two-dimensional medical perspective image of a patient and two-dimensional pixel coordinates and image parameters of a target point in the preoperative two-dimensional medical perspective image, wherein the image parameters comprise basic attributes of the medical perspective image and geometric parameters of an imaging system; calculating three-dimensional world coordinates of the target point according to the two-dimensional pixel coordinates and the image parameters; calculating the three-dimensional world coordinates of the light source points by using the target coordinate conversion matrix; calculating a three-dimensional world coordinate of a rotation center of the imaging system according to the three-dimensional world coordinate of the light source point and the three-dimensional world coordinate of the target point; and calculating an error vector of the three-dimensional world coordinate of the rotation center and the three-dimensional world coordinate of the target point. According to the invention, the error is accurately corrected, and the surgical treatment effect is improved.

The invention relates to the field of medical instruments, in particular to a multifunctional vagina operation dilator. Comprising an upper opening and closing structure, a lower opening and closing structure, an upper expansion part and a lower expansion part, the lower expansion part is provided with a bearing cavity, and the lower expansion part further comprises a grabbing part; an auxiliary device is arranged in the grabbing part, and the bearing cavity communicates with the auxiliary device through the continuous channel. The dilator is used for solving the problems that a dilator is single in function and cannot be matched with other functions, and an existing dilator is poor in use feeling. The dilator is kept sanitary before entering a vagina operation; cut objects or sampled objects in the operation process are received, and the operation efficiency is improved; the dilator is flexibly adapted to vaginas of different patients, so that the lower dilating part is adjusted as the optimal operation position, and the use feeling of the dilator is improved; by means of the auxiliary device, labor-saving fixing of the grabbing part is achieved, and the dilator can be matched with multiple functions under the condition that the installation space of tools does not need to be additionally increased.

The invention provides an endoscope capable of deflecting a joint endoscope camera in a narrow space, the endoscope comprises an insertion tube and a camera assembly, the camera assembly is rotatably connected to the front end of the insertion tube, the front end of the insertion tube is provided with an abdicating space for the camera assembly to rotate, and the endoscope further comprises a driving mechanism for driving the camera assembly to rotate. The device has the beneficial effects that the camera is arranged to be of a rotatable structure, so that the deflection precision of the camera is better than the bending precision of an original snake bone, the observation effect is good, the operation position or the space condition in equipment can be better and finely observed, the camera can rotate up and down in a narrow channel, and the operation efficiency is improved. Doctors or other technicians can conveniently observe, and the camera can be more accurately and finely rotated and adjusted.

Some embodiments of a medical device anchor system include an anchor device that receives a catheter (or other medical instrument) and secures the catheter in place relative to a skin penetration point. In some embodiments, the anchor device can secure the catheter in an operative position relative to the skin without the use of sutures or skin tapes. In particular embodiments, the anchor device can be adjusted to a folded condition so that subcutaneous anchors are partially rotated prior to removal from the skin penetration point.

The invention provides a supporting arm for a medical robot and an auxiliary puncture system, and belongs to the technical field of medical equipment, specifically, the supporting arm comprises supporting arm assemblies, the first ends of the supporting arm assemblies are provided with first rotating joints, and the two supporting arm assemblies are connected through second rotating joints; a damping assembly; an adjusting assembly; and a locking member. According to the damping supporting arm provided by the embodiment of the invention, in the adjusting process, an operator usually roughly adjusts a puncture robot to a certain position firstly, then fine adjustment is carried out according to an operation position, an operation position and the like, the supporting arm is locked after fine adjustment, and in the process from rough adjustment to fine adjustment, the supporting arm is locked after fine adjustment. The damping assembly can provide rotating damping at the first rotating joint and the second rotating joint, so that the rotating damping provided by the damping assembly can enable the surgical equipment to keep the current position and angle no matter where the puncture robot is rotated to by an operator, and the adjusting efficiency of the position of the surgical equipment is greatly improved.

The utility model discloses a bleeding expelling and stopping ring with a fixing support, and relates to the technical field of medical instruments. The hemostasis device comprises a hemostasis ring and a fixing support, one end of the fixing support is detachably and fixedly connected with the hemostasis ring, and the other end of the fixing support is detachably and fixedly connected with a diseased limb. The elastic contraction ring and the bleeding stopping ring are arranged and can be tightly attached to the diseased limb, the uniform and lasting bleeding stopping effect is achieved, complications caused by a conventional air pressure tourniquet are reduced, and the occurrence of lower limb deep vein thrombosis is reduced; the rod-rod fixing clamp is arranged, the angle and the position of the support can be adjusted according to the operation requirement and the change of the body position of the patient, and therefore the accurate control over the operation body position of the patient is achieved; the bleeding expelling and stopping ring and the fixing support are connected and combined for use, so that the risk that the operation operable area range is possibly reduced and the operation difficulty is increased when one end close to the operation part is fixed through an external support is avoided, and the operation success rate is increased.

The invention relates to the technical field of surgical instruments, and more particularly discloses a surgical space exposure device for laparoscopic rectal cancer surgery and a use method thereof.The surgical space exposure device comprises a supporting frame, a mechanical arm is connected to the upper end of the supporting frame, an annular bag-like mechanism is arranged at the tail end of the supporting frame, and a two-way pump and a one-way pump are fixedly connected in the supporting frame; a collecting mechanism is arranged at the position, close to the one-way pump, of the side portion of the supporting frame, the ring-like bag mechanism can be inflated and expanded through the two-way pump to form a ring-like structure, a connecting rod mechanism and an expansion mechanism are arranged in an inner cavity of the ring-like bag mechanism, and the ring-like bag mechanism surrounds a smoke removal mechanism. According to the utility model, the required operation position is exposed, so that the operation area can be seen more clearly, the operation field is improved, the smoke removal effect is enhanced, the function of collecting overflowing blood and tissue fluid is added, and the success rate and the safety of the operation are improved.

The application provides a supporting device for a binocular vision system, the binocular vision system comprising two cameras, the two cameras being suitable for collecting visual images of markers installed at a surgical site of a patient to locate a surgical position; the supporting device comprising: a connecting part, comprising a base and two flexible arms upwardly extending on opposite sides of the base, the base being installed on a bottom wall inside a housing of the binocular vision system to determine a relative position of the base relative to the bottom of the housing and being combined with the flexible arms to buffer mechanical vibration transmitted by the housing; and a supporting part, being installed on the two flexible arms and being clamped between the two flexible arms, the supporting part being configured to support and clamp a keel frame of the binocular vision system for installing the cameras to install the keel frame inside the housing and buffer mechanical vibration transmitted by the housing to the cameras.

The present invention discloses a cardiovascular intervention device, which belongs to the technical field of cardiovascular surgical instruments. The puncture catheter is pre-filled with liquid medicine. As the air pump inputs gas, the mesh stent is stretched and the contracted blood vessel position is expanded. As the air pump continues to inflate, the piston head extends the pointed part from the inflation port of the puncture catheter, punctures the end of the airbag, and the liquid medicine inside the airbag flows out and diffuses at the vascular surgical site. This device can be used to quickly diffuse immediate-acting drugs such as blood vessel recovery and inhibition of endothelial hyperplasia at the surgical site while performing cardiovascular dilation surgery. Compared with applying the drug directly to the mesh stent, this device can input more liquid medicine at one time, and the amount of liquid medicine is controllable. When the liquid medicine reaches the surgical site, it will not be consumed in other positions of the blood vessel, which is more conducive to the treatment of the patient's vascular surgical site. This intervention device is simple to operate, does not affect the progress of the dilation surgery, and has a better treatment effect.

The invention relates to the technical field of medical assistance, in particular to a surgical drape and a using method thereof.The surgical drape comprises a laying assembly used for laying the drape, a positioning assembly used for positioning the surgical position and a drainage assembly used for adsorbing hydrops; the laying assembly comprises a center rod and a controller. The center rod is sequentially sleeved with a main rotating plate and a plurality of auxiliary rotating plates from top to bottom. Guide rods are fixedly connected to the bottoms of the main rotating plate and the auxiliary rotating plate; the side wall of each auxiliary rotating plate is fixedly connected with a guide ring used for limiting the corresponding guide rod. Arc-shaped guide grooves are formed in the tops of the auxiliary rotating plates; the guide rods are in sliding fit with the guide grooves located in the same horizontal height with the guide rods. One side of the main rotating plate is detachably connected with the paving towel; a driving part is arranged on the main rotating plate, and the controller is used for controlling the driving part to operate so as to drive the main rotating plate to rotate around the center rod. The structure is complete, and the operation efficiency can be improved.

The utility model relates to the technical field of operation supporting, in particular to a supporting device for urinary surgery operation, which comprises a bottom plate and leg fixing mechanisms arranged on two sides of the bottom plate, a rail is arranged in the middle of the bottom plate, a sliding seat is arranged on the rail in a sliding mode, a genital organ fixing mechanism is arranged on the front side of the sliding seat, and the genital organ fixing mechanism is arranged on the bottom plate. According to the scheme, the characteristic that the sliding seat provided with the genital organ fixing mechanism can move back and forth on the sliding rail is utilized, and the position of the genital organ fixing hoop can be adjusted according to the operation position of a patient so that the genital organ fixing hoop can be matched with the operation position of the patient.

The invention discloses a visible drag hook for mandibular angle plastic surgery, relates to the technical field of drag hooks for mandibular angle plastic surgery, and solves the problems that an existing drag hook only adopts a lamplight illumination mode to light an operation part of a patient, then a blind area exists in the operation part, a doctor who operates a knife cannot observe the position of the blind area through sight, and the operation difficulty is high. The surgical retractor comprises a rod body, a ring body is fixedly mounted at the lower end of the rod body, a pair of handles is fixedly mounted at the lower end of the ring body, and a retractor plate is fixedly mounted at the upper end of the rod body. Through video recording of a pinhole camera, an image of an operation position is presented on an external display, then a good visual field is provided for a doctor, the total length of an extension plate and a retractor plate is adjusted through an adjusting assembly, and hooking and pulling of the side walls of different oral cavities with different lengths are facilitated.

The utility model relates to the technical field of medical devices, and in particular to an adjustable semi-sitting surgical position frame. The utility model includes an adjustable bed, a head circle, a head frame, a foot pedal assembly, and a symmetrical blocking assembly; the adjustable bed includes a support seat and a back push plate, a thigh push plate, and a calf push plate; the blocking assembly includes a first blocking subassembly, a second blocking subassembly, and a connecting telescopic plate; the first blocking subassembly includes a slide groove 1 opened on one side of the back push plate, a slider 1 sliding along the slide groove 1, and a shielding plate 1 hinged to the slider 1 at the bottom; the second blocking subassembly includes a slide groove 2 opened on one side of the thigh push plate, a slider 2 sliding along the slide groove 2, and a shielding plate 2 hinged to the slider 2 at the bottom; the two ends of the connecting telescopic plate rotate with the shielding plate 1 and the shielding plate 2 respectively. The device can limit the patient from both sides according to the patient's body shape to prevent the patient from moving between the limiting assemblies or even falling off the bed.

This invention discloses a smart mattress, monitoring system, and monitoring method based on fiber Bragg grating sensing technology, belonging to the field of fiber Bragg grating sensing technology. The smart mattress includes a mattress support structure, a first airbag column, a second airbag column, and a mattress cover arranged sequentially from bottom to top. The mattress support structure collects the patient's upper and lower body tilt angles, thus memorizing and marking surgical positions. The first airbag column collects the patient's weight. The mattress cover collects the pressure, temperature, and humidity of the skin in contact with the mattress, solving the problem of limited monitoring data in existing technologies. The second airbag column inflates or deflates based on the monitoring results of the mattress cover, addressing the issue that existing mattresses can only provide good preventative effects for short periods, thereby effectively preventing pressure sores in patients.

The invention discloses a laser positioning method and system for an ophthalmologic operation, medical equipment and a storage medium. The method comprises the following steps: acquiring a three-dimensional reconstruction model of a cornea; surgical parameters set for the cornea are obtained, and the surgical parameters comprise surgical position parameters and surgical planning parameters; based on the operation position parameter, positioning a corresponding operation position in the three-dimensional reconstruction model of the cornea; and generating a laser planning trajectory at the surgical position in the three-dimensional reconstruction model of the cornea based on the surgical planning parameters.

The invention provides an implanter for assisting an eyeball sclera posterior implant, which comprises two main body guide arms matched with each other, the main body guide arms extend forwards to form working parts, the main body guide arms extend backwards to form handheld parts, the two working parts are hinged and matched with each other, the front ends of the working parts are connected with clamping jaws, and the two clamping jaws are matched with each other. Wherein the head of one clamping jaw is provided with a micro camera, the clamping jaw is in an arc hook shape, and the main body guide arm is in a long curved rod shape; compared with an existing sclera posterior implant implanting device, the implanting device is provided with the long-curved-rod-shaped main body guide arm and the arc-hook-shaped clamping jaw, the main body guide arm and the clamping jaw can be attached to the internal space outline of the eye, and the micro camera at the head of the clamping jaw is matched, so that the implanting device can accurately move the implant to the operation position, and the operation efficiency is improved. The implanter does not need to be adjusted for many times, and the risk of operative complications is effectively reduced.

The invention discloses a voice prompt method and system for surgical position placement teaching, and the method comprises the steps: obtaining a surgical position placement step corresponding to a surgical name according to the surgical name to be teaching; generating a voice prompt sequence for surgical position placement teaching according to the surgical position placement step; based on the voice prompt sequence, voice prompts are carried out step by step according to role tasks of the participants for all the participants placed at the operative position, so that the participants execute corresponding steps according to the voice prompts; the current step executed by the participant is monitored in real time through image recognition and inductor induction, and a monitoring result is fed back in real time through voice, so that the participant conducts step correction according to the monitoring result; and after all the operative position placement steps are finished, an examination feedback result and a position placement score table of operative position placement teaching are generated. According to the embodiment of the invention, the efficiency and safety of operation teaching can be improved through intelligent voice prompt and real-time monitoring.

The utility model provides a spacing-adjustable integrated surgical retractor, which comprises an adjusting plate, one end of the adjusting plate is fixedly connected with a connecting plate, the surface of the adjusting plate is provided with a retractor plate, one end of the retractor plate is fixedly connected with a small hook, one end of the retractor plate far away from the small hook is fixedly connected with a large hook, and the other end of the retractor plate far away from the large hook is fixedly connected with the connecting plate. A bottom plate is arranged at the bottom of the adjusting plate, a bolt rod is fixedly connected to the surface of the bottom plate, and a fixing block is fixedly connected to the top of the bolt rod. According to the utility model, by designing the structures such as the adjusting plate and the bolt rod, aiming at the position requirements of different liver operations, the distance between the retractor plates is controlled through the position of the groove formed in the surface of the adjusting plate, and the liver operation position is expanded outwards, so that the operation part has enough space to be provided for a doctor to operate; outward force can be applied to the whole structure only by holding the adjusting plate and the connecting plate and pulling the adjusting plate and the connecting plate outwards, and the situation that the operation drag hooks are pulled one by one is reduced.

The utility model discloses a skin preparation knife with a lubricating function, which comprises a knife head and a knife handle, the knife head is detachably connected with the lower end of the knife handle, the knife handle comprises an upper handle and a lower handle, the upper handle is in threaded connection with the lower handle, a storage part for storing lubricating liquid is arranged in the lower handle, and a driving part for pushing and extruding the lubricating liquid is arranged in the upper handle. A guide column used for guiding lubricating liquid is arranged at the joint of the tool bit and the tool handle and attached to the lower end of the storage part. The scalpel has the advantages that the scalpel handle is divided into the upper handle and the lower handle, the liquid storage cavity used for storing lubricating liquid is arranged in the lower handle, the push rod used for pushing and extruding the lubricating liquid is arranged in the upper handle, the blade and the skin of a patient can be lubricated conveniently, and operation is easy and convenient; meanwhile, the lubricating liquid flows through the cutting edge of the blade after being guided and drips at the operation position, the blade can be lubricated, the skin of a patient can also be lubricated, and the pain feeling during skin preparation is reduced.

An intraoperative guidance approach for an image guided surgical robot performs intraoperative image registration and guidance based on a surgical target. A surgical imaging modality, such as US (ultrasound) or PA (photoacoustic), establishes a frame of reference based on a preoperative base imaging modality such as CT (computed tomography) or MRI (magnetic resonance imaging). A position reference of a surgical target, such as a tumor or neural structure, is established by the surgical imaging modality from the base imaging modality, computed based on a dense scan of the surgical region. Successive scans in the surgical image modality provide real-time guidance for a robotically actuated surgical instrument or probe based on the surgical target. An iteration of successive scans allows intramodal servoing concurrent with surgical instrument actuation towards a moving surgical target when a fixed surgical position in the frame of reference cannot be assured.

The utility model relates to the technical field of medical equipment, in particular to a finished hydraulic four-tail belt. Comprising a water bag attached to the skin on the outer side of the jaw bone, a water inlet and a water outlet are formed in the face, away from the jaw bone, of the water bag, and a connecting belt used for fixing is arranged on the water bag. According to postoperative conditions, ice water is added into the water bag for cold compress 24-48 hours after the surgery, local temperature is reduced, so that the effects of stopping bleeding and relieving edema can be achieved, hot water is added into the water bag for hot compress 48 hours later, local blood circulation is promoted, blood vessels are expanded, swelling dissipation can be accelerated, pain can be relieved, and according to surgical positions, the effects of stopping bleeding and relieving edema can be achieved. The water bag is attached to the upper portion or the lower portion of the lip, and the water bag is fixed and prevented from falling off through the connecting band behind the head.

The invention discloses an operating bed capable of adjusting an operative position, and relates to the field of medical instruments, the operating bed comprises a support column, the bottom of the support column is provided with a base; the bed body comprises a main bed board, a front bed board, a first rear bed board and a second rear bed board, the main bed board is assembled at the top ends of the supporting columns, the front bed board is hinged to one end of the main bed board, a driving mechanism for driving the front bed board to turn over up and down is arranged at the bottom of the main bed board, and the first rear bed board is hinged to the end, away from the front bed board, of the main bed board; the second rear bed board is hinged to one end of the first rear bed board away from the main bed board. The operating bed provided by the invention integrates upper body pitching lying angle adjustment, lower body lifting and falling angle adjustment, shank and thigh independent angle adjustment, overall height adjustment and overall pitching angle adjustment, has a multi-dimensional adjustment function, has high flexibility, and can meet the body position auxiliary requirements of different patients during operations.

The utility model provides an automatic intelligent adjusting infusion support for an operating bed, and relates to the technical field of infusion supports. A groove is formed in the middle of the upper end of the bearing plate; a circle of threaded groove is formed in the upper end of the bearing plate. Through accurate control of the electric rod, the position of the infusion bag can be adjusted according to the lying height of a patient, appropriate liquid pressure in the infusion process is ensured, too fast or too slow infusion can be avoided, safety and effectiveness of treatment are ensured, the electric rod can rapidly and stably adjust the height of the infusion bag, the height of the infusion bag is closely related to the infusion speed, and the infusion bag is convenient to use. The problems that the height of a hook on an infusion support needs to be automatically adjusted due to different body types or operation positions of patients, and otherwise an infusion bag on the hook is too high or too low and cannot be infused into the bodies of the patients at a proper speed are solved.

The utility model discloses a cervical cancer operation body position pad, particularly relates to the technical field of medical instruments, and solves the problems that an air cushion type body position pad easily causes pressure sores of a patient in an operation, and the pressure sores of the patient need to be kept in a slightly left-leaning position and a slightly right-leaning position in the operation process. And the left-leaning and right-leaning tendency of the body position of the patient cannot be adjusted. The lumbosacral position fixing cushion comprises a fixing cushion, body position liquid filling cushions are arranged on the fixing cushion in a bilateral symmetry mode, and the two body position liquid filling cushions are used for lifting the left lumbosacral position and the right lumbosacral position of a patient respectively. Each body position liquid filling pad is connected with a liquid filling control mechanism used for adjusting the height of the body position liquid filling pad. According to the device, an inflatable cushion is replaced with a liquid filling cushion, and pressure sores generated on a patient are effectively avoided through the flexibility of liquid. Secondly, different liquid filling control mechanisms are used for respectively controlling the liquid filling pads at different left and right positions to reach different heights, including but not limited to the overall lifting of the sacrococcygeal region and the slightly left-leaning and right-leaning positions.

The present teachings relate to surgical location marking. The 3D model of the organ includes cutting points forming a surgical trajectory. Each cutting point has 3D coordinates and a surface normal in the model space. When the cutting points are projected into the workspace, mapped cutting points are created using the mapped 3D coordinates and the mapped surface normals in the workspace. Some mapped cutting points are marked with a surgical instrument having a tip and having a force sensor attached thereto along a direction determined based on a reaction force sensed by the force sensor when the tip contacts the cutting point.

The utility model provides an operative position adjusting and supporting device which comprises a U-shaped clamping seat, and a fastening bolt is arranged at the lower end of the bottom wall of the clamping seat in a penetrating mode. The mounting block is fixed on the outer side wall, far away from the opening, of the C-shaped clamping seat; the fixing frame is in an inverted L shape, and the lower end of the fixing frame is connected to the mounting block; the supporting plate comprises a fixed plate fixed to the upper end of the fixed frame and a movable plate movably arranged at the upper end of the fixed plate, one side of the movable plate is hinged to one side of the fixed plate, and the other sides of the movable plate and the fixed plate are connected through an angle adjusting mechanism; an inflatable cushion is arranged on the upper surface of the movable plate, an arc-shaped groove is formed in the upper surface of the inflated inflatable cushion, and the outer side wall of the inflatable cushion is connected with a hand-pinched inflatable ball through an inflation pipe. The multi-body-position supporting device can support body parts under various different body positions, the multi-body-position supporting function is integrated, the space of an operating room is saved, resources can be saved, the practicability of the device is greatly improved, meanwhile, the position of the supporting plate in the height direction and the width direction can be adjusted, and use is more flexible.

This invention provides a lateral decubitus lower limb embedded positioning device, including a grooved support frame and an air supply tube. The grooved support frame includes a top support plate, a first support side plate, and a second support side plate. The first and second support side plates are connected to the two opposite long sides of the top support plate. The surface of the grooved support frame is covered with memory foam, and the surface of the memory foam is covered with a leather sleeve. The air supply tube is tightly wrapped with the memory foam and the leather sleeve at the corner connection between the inner surface of the top support plate and the first or second support side plate. The wall of the air supply tube has multiple air supply holes, one end of which is a closed end, and the other end is an open end used as an air inlet. The leather sleeve has multiple ventilation holes opposite to the air supply tube. This device can greatly shorten the lateral decubitus positioning time, put the patient in a comfortable and correct surgical position, effectively improve the success rate of surgery, reduce the occurrence of complications, and effectively warm the patient's lower limbs, reducing intraoperative hypothermia and the incidence of deep vein thrombosis.

The invention relates to a folding support device for smart doors, which comprises: a folding element (1) that can rotate between an inoperative position and an operative position, an attachment eleme