29 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 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.

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 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.

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.

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 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.

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.

A surgical instrument and use of a surgical instrument in open surgery. The instrument has two gripping limbs and a blocking element that releasably locks the gripping limbs relative to one another. The blocking element has a female locking assembly and a male locking assembly. The female locking assembly has a mechanical control device for locking and releasing a locking portion of the male locking assembly. A mechanical control assembly is assigned to the male locking assembly and moves the locking portion of the male locking assembly out of an end position that defines a neutral position into an end position that defines a functional position and, conversely, out of the end position that defines the functional position into the end position that defines the neutral position. The control assembly includes securing elements that secure the locking portion in both end positions.

The application relates to the field of interventional medical technology, in particular to a percutaneous interventional venous sinus puncture access device. The access device is formed by the mutual cooperation of a balloon catheter, a deflecting catheter and a puncture guide wire, can puncture into the subarachnoid cavity in the cranial cavity on the venous sinus without damaging the brain, break the dura mater and arachnoid, construct a stoma between the pontocerebellar angle pool and the inferior petrosal sinus, and make the cerebrospinal fluid flow from the subarachnoid cavity to the venous sinus, to the jugular vein and to the heart, and participate in blood circulation. The access device can also be used for delivering a shunt, so that the hydrocephalus which can only be effectively treated by operation in the past can be treated by a minimally invasive interventional method, the access device is not used for surgical open operation, the intraoperative trauma is reduced, the operation time is saved, and the possibility of postoperative infection is greatly reduced.

The invention relates to the technical field of medical instruments, in particular to an auxiliary guider in a spine open surgery. The auxiliary guider with an integrated structure is provided for solving the problems that in the spine posterior open surgery, soft tissue in an operation area is shielded, the instrument operation space is limited, and the posture of the guider is not easy to stabilize. The guider comprises a guider handle, a locking sleeve base, a splicing type sleeve locking cover and a soft tissue stopper, the locking sleeve base and the splicing type sleeve locking cover are matched to form a sleeve structure used for limiting the relative position of a surgical instrument, and the soft tissue stopper is arranged at one end of the guider handle and used for stopping soft tissue around a surgical area. And an angle indicating device is arranged on the guide device and is used for providing an angle reference for the overall posture of the guide device. The device is suitable for the spine posterior open surgery, and provides a relatively stable space condition for instrument operation.

The present invention provides a wirelessly powered electrical stimulation system. In one embodiment, the system comprises: a) a power transmitter comprising a wearable transmitting coil for wireless power transmission and a portable control circuit; and b) a wireless electrical stimulator comprising a power management module and a pulse stimulation module configured to apply electrical stimulation to a target tissue. In one embodiment, the wireless electrical stimulator further comprises a sensing module configured to monitor the motility or electrophysiological signals of the target tissue. In one embodiment, the wireless electrical stimulator is made of a flexible or pliable material. The wireless electrical stimulator is configured to be delivered through a natural orifice without open surgery. Related minimally invasive implantation methods are also provided.

Provided is a bile duct tube stent excellent in visibility from the outside of a bile duct and capable of surely specifying the position of the bile duct by a simple procedure at the time of open surgery or laparoscopic surgery. A bile duct tube stent 1 to be placed in a bile duct comprises a flexible tube member 1T. A part or the whole of the tube member 1T contains a fluorescent dye that emits fluorescence in a predetermined wavelength region by irradiation with excitation light.

The present application relates to the technical field of medical devices, in particular to a bipolar electrocoagulation separating forceps for open surgery. The handle of the present application is connected with an electrocoagulation forceps head, which comprises a first forceps head and a second forceps head connected movably like scissors. The handle comprises a first handle connected with the first forceps head and a second handle connected with the second forceps head. A blade pushing mechanism and a blade assembly are arranged in the first handle. The blade pushing mechanism is connected with the blade assembly. One end of the blade assembly is located in the first handle and the other end is located in the electrocoagulation forceps head. A forceps head connecting wire electrically connected with the first forceps head and the second forceps head is arranged in the second handle. The bipolar electrocoagulation separating forceps is easy to operate, has good effect on tissue electrocoagulation, and can effectively cut and separate the tissue after electrocoagulation, so that the operator can complete the tissue electrocoagulation and separation operation without changing other surgical instruments during the operation.

1. Name of the product in this design: Kirschner wire sterilization tube tool. 2. Purpose of this design: For sterilization of Kirschner wires after open surgery in spinal surgery and trauma orthopedics. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to a growing rod and an orthopedic fixing system, the growing rod comprises an inner core and a sleeve, the inner core is a memory metal component, a channel is arranged in the sleeve, the inner core is slidably arranged in the channel in a penetrating manner, the sleeve comprises a deformation section, and the deformation section can extend along the extension direction of the inner core under the action of external force. The growth rod can correspondingly extend along with the growth of the spine of a patient, so that the risk of complications and the like caused by repeated open operations can be reduced, and the spine orthopedic effect is better.

The invention discloses a lighting device (1) for illuminating a surgical area with radiation to cause fluorescence during open surgery, the device comprising a body (2) comprising an opening (3) configured to release radiation (18), characterized in that the lighting device laterally removably connects the body (2) to an endoscope (5) by means of a connecting device (4).