45 results about "Open surgery" patented technology

The present invention relates to matrix-forming cross-linked carboxyalkyl chitosan, to compositions comprising same, to a process for the preparation thereof and to various uses thereof, in particular in therapeutic, rheumatology, ophthalmology, cosmetic medicine, plastic surgery, open surgery, dermatology, gynecology or cosmetic fields. In particular, the invention relates to a substrate comprising at least one carboxyalkyl chitosan having glucosamine units, N-acetylglucosamine units and glucosamine units substituted with a carboxyalkyl group, expressed in the number of moles of N-acetyl groups relative to the number of moles of total glucosamine units, the acetylation degree of the carboxyalkyl chitosan is 40%-80%, and the carboxyalkyl chitosan is crosslinked through covalent bonds between carboxyalkyl chitosan chains.

Co-manipulation surgical systems having robot arms are described herein that may be used for assisting with surgical procedures including laparoscopic surgery. The co-manipulation surgical systems allow a surgeon to use commercially available surgical tools while providing benefits associated with surgical robotics. Advantageously, surgical tools having an elongated shaft may be seamlessly coupled to the robot arms using a disposable coupler while the reusable portions of the robot arm remain in a sterile drape. The co-manipulation surgical system further includes a universal adapter configured to removably coupled additional surgical tools to the robot arms to perform additional surgical procedures including open surgery.

The invention discloses a retractor fixing system for a surgical operation, and belongs to the technical field of medical instruments. In order to overcome the technical defects that an existing manual retractor needs full-time personnel to apply force continuously, and a mechanical retractor is insufficient in degree of freedom of adjustment (limited by plane adjustment of + / -15 degrees) and cannot adapt to instruments of multiple specifications, a modular solution is provided. Quick assembly and disassembly within 5 seconds are achieved, and the clamping force is larger than or equal to 500 N; the multi-direction adjusting module adopts a dual-mode universal damping ball head assembly (6) and supports a first connection mode and a second connection mode (parallel traction force distribution), and a hexagonal damping adjuster (601) can accurately control the traction force; according to the instrument adaptation module, a retractor adapter (7) is provided with an ISO 13485 standard interface (701) and an anti-disengagement clamping groove (702) and is compatible with retractors and tissue forceps with different diameters, a chamfer design (R is larger than or equal to 1 mm) supports a medical disinfection bag to wrap the system in a sterile mode, the surgical field exposure stability is remarkably improved (the tremor amplitude is reduced to be smaller than or equal to 0.1 mm), and the instrument adaptation module is suitable for complex anatomical structure adjustment of open surgery. The attached drawings of the abstract show the system assembly structure and the profile characteristics of the universal ball head assembly.

The utility model discloses a novel material thyroid open operation disposable trachea drag hook relates to the field of medical devices, this novel material thyroid open operation disposable trachea drag hook, including drag hook head and with the drag hook handle of drag hook head connection, the appearance of drag hook head is arc structure, the top surface of drag hook is concave arc surface, the head of drag hook head is obtuse circle of arc shape, the both sides of drag hook head all are formed protection side wing to the up cocking, two protection side wing and drag hook head smooth transition form arc surface. The obtuse circle and protection side wing of the utility model can reduce or avoid the cutting injury of drag hook head head and edge to the pulled tissue as far as possible, protect the tissue such as trachea of being pulled.

An illumination unit for illuminating an area of operation during open surgery. The illumination unit including: a body; a fiber bundle configured to guide light towards a distal end of the body, and a reflector body arranged at the distal end of the body. Where at least a part of the fiber bundle is guided inside the body along a longitudinal direction, the fiber bundle is split up into a plurality of optical fibers which form a fiber layer on an inner surface of the body, end faces of the plurality of optical fibers are arranged at the distal end of the body, the reflector body encloses the end faces of the plurality of optical fibers in a radial direction and extends distally beyond the distal end of the body in the longitudinal direction, and an inner surface of the reflector body is a reflective surface.

The application provides a temporomandibular joint distraction soft tissue traction device, which comprises an X-axis connecting mechanism and a Y-axis adjusting mechanism, the X-axis connecting mechanism further comprises an arch strip, an abutment structure and an arc-shaped abutment distraction mechanism for hooking the patient's jaw bone, the arch strip is vertically connected with the Y-axis adjusting mechanism, the abutment structure comprises two independent ladder blocks arranged above the arch strip, the upper surfaces of the two independent ladder blocks are sequentially provided with a U-shaped support for clamping sliding, a sliding rod, a clamping buckle and a limiting hole, wherein the U-shaped supports are respectively installed at the upper ends of the two independent ladder blocks, and the arch strip and the abutment structure are adopted to promote the middle-aged and old patients suffering from temporomandibular joint osteoarthritis to seek medical treatment, and an operable space is established during the open surgery of the temporomandibular joint (similar to the state of the bag opening being adapted), and the load bearing rod, the clamping buckle, the sliding rod and the specific sliding structure state can be used for the distraction of the temporomandibular joint region.

The utility model belongs to the technical field of surgical instruments, and particularly discloses a double-opening double-joint multi-angle thoracic surgical instrument which comprises a first movable head and a second movable head, the first movable head and the second movable head are hinged to the end of a fixed rod through a first pin, one end of the first movable head is fixedly connected with a first forceps head, and one end of the second movable head is fixedly connected with a second forceps head. The other end of the first movable head is hinged to one end of a first pull piece, the other end of the first pull piece is hinged to a first head of a movable rod, the other end of the second movable head is hinged to one end of a second pull piece, the other end of the second pull piece is hinged to a second head of the movable rod, and sliding grooves are formed in the first head and the second head of the movable rod. A guide rail pin is fixedly arranged at one end, close to the pin I, of the fixed rod; two ends of the guide rail pin are slidably connected in the chutes of the head I and the head II of the movable rod respectively. Due to the double-joint design, the device is suitable for surgical operation under an endoscope and a small incision; and the double-opening-closing design is adopted, so that the surgical operation under an endoscope can be met, and the surgical operation under an open surgery can be completed.

This invention provides an integrated multifunctional instrument for a surgical robot. The bipolar forceps includes two waist-shaped rings, one end of which is connected via a connecting end and a pin. The two waist-shaped rings are a fixed end and a movable end, respectively. A gap is provided at the end of each waist-shaped ring away from the connecting end. Electrode layers are provided on adjacent end faces of both the fixed and movable ends. The movable end can move axially along the pin. Parallel suction tubes are provided on the end face of the movable end away from the fixed end, and each suction tube is connected to a negative pressure device. This invention achieves bipolar electrocoagulation by placing an electrode layer between the two waist-shaped rings. When bleeding occurs, after clamping with the bipolar forceps, the suture can be pulled out from the gap during suturing, improving surgical safety. The negative pressure device, through the suction tubes, removes surgical waste blood, avoiding interruptions to the surgery or open surgery, shortening surgical time, and improving surgical efficiency and safety.

The present invention relates to a screw planning method and rod navigation method for spinal screw placement surgery. The method comprises: obtaining an initial screw position according to a screw planning algorithm, wherein the initial screw position includes the positions of multiple screws to be set; selecting a target screw rod path that meets preset preferred conditions based on the initial screw position and screw size, wherein the screw rod is used to pass through multiple screws; and determining a target screw position based on the target screw rod path. This method addresses the problem that screw planning algorithms in related technologies have certain errors, require manual adjustment during open surgery, and are difficult to apply to minimally invasive screw placement surgery.

1. The name of the design product: disposable wireless lighting retractor. 2. The use of the design product: used for open surgery to retract or expand tissue and provide local lighting. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 2 is designated as the basic design.

Disclosed is a working end of a surgical instrument for delivering heat energy to tissue and (RF) energy for cutting tissue of different modalities. The working end includes paired first and second metal jaw members movable between open and closed positions, with each jaw member defining a jaw body and jaw end-effecter for engaging and heating tissue for the sealing of the tissue or vessels, or welding and coagulation of the tissue and jaw structure capable of generating radiofrequency (RF) energy for cutting tissue. Jaw members contain a microwave emitter coupled to a microwave energy source, the emitter is located within the jaw end effecter, which effecter includes an insert made of a microwave energy absorbing material which converts microwave energy into the heat energy. Jaw members also contain electrodes located within the jaw effecter end coupled to a radiofrequency (RF) energy source for procedures including tissue cutting, etc.

Disclosed is a working end of a surgical instrument for delivering heat energy to tissue and (RF) energy for cutting tissue of different modalities. The working end includes paired first and second metal jaw members movable between open and closed positions, with each jaw member defining a jaw body and jaw end-effecter for engaging and heating tissue for the sealing of the tissue or vessels, or welding and coagulation of the tissue and jaw structure capable of generating radiofrequency (RF) energy for cutting tissue. Jaw members contain a microwave emitter coupled to a microwave energy source, the emitter is located within the jaw end effecter, which effecter includes an insert made of a microwave energy absorbing material which converts microwave energy into the heat energy. Jaw members also contain electrodes located within the jaw effecter end coupled to a radiofrequency (RF) energy source for procedures including tissue cutting, etc.

The present invention relates to crosslinked carboxyalkyl chitosan forming a matrix, to compositions comprising the same, to methods for the preparation thereof and to various applications thereof, in particular in the therapeutic, rheumatological, ophthalmic, cosmetic, plastic surgery, open surgery, dermatological, gynecological or aesthetic fields. The present invention in particular relates to a matrix comprising at least one carboxyalkyl chitosan having glucosamine units, N-acetylglucosamine units and glucosamine units substituted with carboxyalkyl groups, the degree of acetylation of said carboxyalkyl chitosan being comprised between 40% and 80%, expressed in number of moles of N-acetyl groups relative to the number of moles of total glucosamine units, said carboxyalkyl chitosan being crosslinked by covalent bonds between carboxyalkyl chitosan chains.

The utility model belongs to the technical field of medical instruments, and particularly relates to an electrocoagulation instrument with a probe assembly, which is mainly used in endoscope or open surgery and mainly comprises a shell, a probe assembly, a probe assembly and a probe assembly. The cutting part is arranged at one end of the shell; the probe assembly is arranged in the first chamber in a sliding manner; the pushing assembly is partially arranged in the first cavity and connected with the probe assembly, and the pushing assembly can be close to or far away from the cutting part in the first cavity in the direction of the cutting part, so that the probe assembly partially extends out of the first cavity and retracts into the first cavity; the problem that when an existing electrocoagulation instrument is used for separating soft tissue of a patient and blood vessels are contained in the tissue, the blood vessels are easily cut off, and the bleeding risk of the patient in an operation is increased is mainly solved.

The application discloses a disposable antibacterial surgical incision protective sleeve, which comprises a flexible inner ring, an elastic film sleeve, an outwardly folded sleeve, an antibacterial layer and a liquid absorption layer. The flexible inner ring is used for being placed into the incision to provide radial support; one end of the elastic film sleeve is connected with the inner ring and extends along the circumference of the inner ring, and the other end is outwardly folded to form the outwardly folded sleeve to cover the skin surface; the antibacterial layer is arranged on the surface of the film to achieve active sterilization; and the liquid absorption layer is arranged on the lower surface of the outwardly folded sleeve to absorb exudate. The antibacterial surgical incision protective sleeve has simple structure, and the operation time of the basic version is about 50 seconds, so that surgical site infection can be effectively prevented, and the antibacterial surgical incision protective sleeve is suitable for laparoscopic surgery, open surgery, contaminated surgery and emergency trauma surgery.

The present application belongs to the technical field of intelligent medical treatment and the field of computer vision, and particularly relates to a best lens intelligent prediction method and system for open surgery, which comprises setting at least 6 angle cameras in an open surgery scene, extracting video features from video frames through a deep convolutional neural network, and extracting semantic features from video frames through a target detection network; splicing the extracted video features and semantic features together as a joint feature vector; inputting the joint feature vector into a network stacked with multiple Time-Block modules to extract a time feature vector; obtaining a label probability distribution of each camera through a softmax layer from the normalized time feature vector, and pushing the camera with the highest probability as the best view angle. The present application can realize the ability of high-speed and seamless switching of view angles, thereby ensuring that the key information in the surgery process can be recorded and analyzed completely and clearly.

The present application relates to a kind of growing rod and orthopedic fixation system, the growing rod includes first rod, second rod and check valve, the first end of first rod is provided with accommodating cavity, accommodating cavity has first chamber and second chamber, the first end of second rod is provided with sliding seat, sliding seat is arranged in accommodating cavity along the axial direction of first rod, first chamber and second chamber are respectively arranged in the axial direction of sliding seat Two sides, second chamber is closer to the second end of first rod compared with first chamber, check valve is provided on sliding seat, when one of first rod and second rod is subjected to greater than preset traction force Traction force away from the other, check valve can allow the medium in first chamber to flow towards second chamber. The growing rod of the present application can be extended accordingly with the growth of the patient's spine, which is advantageous to reduce the risk of complications caused by repeated open surgery, and the spine orthopedic effect is better.

This invention discloses a carotid artery plaque biopsy device based on interventional angiography, comprising a fusion catheter, the distal end of which is fixedly connected to one end of a biopsy probe. A freely rotatable transmission tube is located within the fusion catheter. A biopsy blade and a drug-loaded balloon coated with a drug layer are located on the side wall of the distal end of the transmission tube. The drug-loaded balloon is connected to a balloon-pressurized catheter. A biopsy window is formed on the outer wall of the biopsy probe. The biopsy blade and the drug-loaded balloon are located within the biopsy probe at positions corresponding to the biopsy window. The transmission tube is rotatably connected to a limiting structure that restricts the axial movement of the transmission tube. The limiting structure is fixed to the biopsy probe. A biopsy filter is covered and connected to the distal end of the biopsy probe. A contrast marker is provided on the outer side of the distal end of the biopsy probe. This invention's device removes carotid artery plaques based on vascular intervention, eliminating the need for open surgery and significantly reducing the risks of infection, bleeding, and carotid artery rupture. The carotid artery plaque is treated using a drug-loaded balloon.

The invention provides a scoliosis minimally invasive surgery auxiliary system for recognizing vertebral body morphological changes based on AI, and relates to the technical field of medical instruments and artificial intelligence. The system comprises a multi-mode image input module for acquiring and preprocessing spine image data; the vertebral body segmentation and three-dimensional reconstruction module is used for automatically segmenting a vertebral body and reconstructing a three-dimensional surface model; the AI vertebral body micro-morphological change identification module is used for quantitatively analyzing the micro-morphological change of each vertebral body; the scoliosis comprehensive evaluation module is used for automatically measuring a Cobb angle, centrum rotation and trunk offset in combination with the tiny morphological change and the overall spine force line; the minimally invasive surgery planning and navigation module is used for automatically designing a minimally invasive surgery scheme according to the individualized centrum micro morphological characteristics, planning a filling part and material consumption and distribution, and providing intra-operative navigation support; the minimally invasive surgery scheme guides a doctor to fill, rest and correct the asymmetric part of the vertebral body by using a filling material under a minimally invasive condition. And on the basis of AI identification, minimally invasive open surgery is realized.

The present application relates to a screw planning method and a rod insertion navigation method for spinal screw placement surgery. The screw planning method comprises: according to a screw planning algorithm, planning and obtaining initial screw positions, wherein the initial screw positions comprise positions of a plurality of screws that need to be set; according to the initial screw positions and screw sizes, screening a target rod path meeting a preset preference condition, wherein a rod is configured for insertion through the plurality of screws; and determining a target screw position according to the target rod path. The screw planning method aims to solve the problems in the related art that the screw planning algorithm has certain errors, requires manual adjustment in open surgery, and is difficult to apply to minimally invasive screw placement surgery.

An illumination apparatus (1) for illuminating the operating field during open surgery with radiation to cause fluorescence, the apparatus including a main body (2) including an opening (3) configured to release the radiation (18), is characterized by an attachment unit or assembly (4) for removably attaching the main body (2) sideways to an endoscope (5).

The invention relates to a method for indicating and controlling suture force in surgical suture, and belongs to the technical field of mechanical structures. A corresponding force indication structure is selected according to the sewing requirement; according to the target suture force and the force-structure relation, a force indication structure or device is accurately manufactured; suturing force in surgical suturing is fed back and controlled through the force indicating structure. Through an integrated structure capable of generating physical signals, clear and visual suturing force feedback is provided for surgeons, so that standardized and precise control of suturing force is achieved, the risk of complications is reduced, and the device is suitable for various application scenes including open surgery, laparoscopic surgery and robotic surgery.

The application discloses a left auricle occluder for direct vision surgery, which belongs to the technical field of medical devices, and comprises a closing disc and an occluder. The lower end of the occluder is fixedly provided with an upper connecting pipe. The upper middle of the closing disc is fixedly provided with a lower connecting pipe. The middle of the lower connecting pipe and the upper connecting pipe is provided with a fixing cavity. The fixing cavity in the lower connecting pipe is fixedly provided with an extension pipe. The extension pipe extends to the upper side of the lower connecting pipe. The extension pipe is screw-connected with the fixing cavity of the upper connecting pipe. The upper end of the extension pipe is fixedly provided with an upper tooth. The upper end of the driving rod extends to the occluder. The upper end of the driving rod is fixedly connected with an upper screw rod. The upper screw rod is screw-connected with a dilating disc. The closing disc and the occluder can be automatically adjusted when being introduced into the atrium of a patient, so that the occluder is introduced into the atrium of the patient.

The utility model belongs to the technical field of electrocoagulation hooks, and particularly discloses an attractable and bendable open operation coarse electric hook with a low-temperature coating, which comprises an electric hook body, the electric hook body comprises a connecting part and a right-angle electric hook part which are integrally connected, irregular barbs are arranged on the periphery of the right-angle electric hook part, and the low-temperature coating is coated on the periphery of the right-angle electric hook part. The right-angle electric hook part is fixedly arranged on the end wall of one end of the connecting part, the other end of the connecting part is fixedly connected with one end of the copper hose, and the other end of the copper hose is fixedly connected with the steel pipe. By arranging the electric hook with the low-temperature coating, the temperature of the electric hook can be reduced, so that the heat pair injury of the electric hook is reduced, the formation of incrustation is reduced, and the formation of postoperative adhesion can also be reduced; and the copper hose is designed, so that the device can be bent in any direction, and the bending operation requirement of an open operation is met.

1. The name of the design product: disposable continuous titanium clip applier. 2. The use of the design product: mainly suitable for closing blood vessels or other tubular structures under surgical endoscopy or open surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the A part in the design 1 perspective view and the C part in the design 2 perspective view are transparent materials, the B part enlarged view is the enlarged view of the B part in the design 1 perspective view, and the D part enlarged view is the enlarged view of the D part in the design 2 perspective view.

The invention relates to the technical field of medical instruments, and provides a stent system used in open surgery, comprising: a first artificial blood vessel, the suture end of the first artificial blood vessel being provided with a U-shaped bending portion which is folded outwardly, the bending portion being used for at least partially extending into the blood vessel of the human body; one end of the stent is connected with the connecting end of the first artificial blood vessel, and the other end of the stent is arranged in a human blood vessel; the second artificial blood vessel is used for being arranged outside the position where the human blood vessel coincides with the suture end of the first artificial blood vessel in a sleeving mode. The anastomat is provided with a first nail outlet, a second nail outlet and a third nail outlet. According to the stent system used in the open surgery, damage to blood vessels of a human body during suturing can be reduced; moreover, the suturing depths of the suturing nails ejected from different nail outlets are different, so that the injury to the blood vessels of the human body can be reduced as far as possible on the premise of ensuring the suturing sealing performance and reducing the bleeding risk.

Nanoparticles are suspended in a fluid medium which is activated using an ultrasonic transducer in contact with the fluid medium. The fluid may be injected into a body cavity and ultrasonically activated to induce a cavitation effect. The body cavity may contain a natural or artificial hard surface, inflamed or with a biofilm harnessing bacteria, such as a bone, joint or implant, as well as the surrounding tissue. In an embodiment, a treatment device may be used before, during or after a procedure such as a minimally invasive or open surgery to disinfect the body cavity via irrigation with liquid containing suspended nanoparticles and ultrasonically activated. The irrigation device may supply the cavity with the liquid and include therein an ultrasonic transducer. The cleaning and disinfecting process may be performed as treatment of infection in absence of another surgical procedure.

1. The name of the design product: clip connected hair clipper (AH-3038). 2. The use of the design product: for endoscopy and open surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The left view has been embodied in the left view enlarged view, and the right view has been embodied in the right view enlarged view.

The invention relates to an arterization system for deep vein transcatheter, and belongs to the technical field of medical instruments, the arterization system comprises a blood vessel wall puncture device and a guide wire capturing device, a first guide wire is sleeved in the blood vessel wall puncture device for sliding along the first guide wire in an artery blood vessel, a puncture structure is further arranged in the blood vessel wall puncture device, and the guide wire capturing device is arranged in the puncture structure. The puncture structure can extend out of or retract into the blood vessel wall puncture device, a second guide wire is arranged in the puncture structure in a penetrating mode, and the puncture structure can puncture the arteriovenous wall; a first guide wire is arranged in the guide wire capturing device in a sleeved mode, the guide wire capturing device is used for sliding along the first guide wire in a vein blood vessel, a capturing and laying structure with the size capable of being expanded or contracted is arranged in the guide wire capturing device, the capturing and laying structure is used for capturing and laying a second guide wire, and the second guide wire is clamped by the capturing and laying structure; the device has the advantages that the arterial blood vessel and the vein blood vessel are communicated through the second guide wire, and the technical problem that the wound of the arteriovenous wall is large due to the fact that the arterial blood vessel is sewn to the vein blood vessel in an open operation in the past is solved.

The invention provides an intelligent operation camera shooting guidance system based on deep learning, and the system comprises the steps: constructing a patient individualized high-precision three-dimensional anatomical model through the intelligent preprocessing and fusion technology of a multi-modal image (CT / MRI / ultrasound / X-ray and the like); a self-adaptive dynamic registration engine (compatible with registration technologies such as an optical flow method, an ICP algorithm and a Transform architecture) is adopted to realize submillimeter-level real-time registration of an intraoperative image and a preoperative model. Based on a three-dimensional model, an operation path is generated and optimized through machine learning algorithms (including an extensible AI architecture) such as reinforcement learning and a graph neural network, multi-modal operation deduction and dynamic early warning of operation risks are performed in combination with a digital twinning / AR / VR technology, preoperative intelligent planning, intraoperative precise navigation and dynamic risk management and control are realized, and the system has a wide application prospect. The accuracy, the safety and the repeatability of the surgery are remarkably improved, and the method is suitable for various minimally invasive and open surgeries.