1217results about How to "Trauma" patented technology

The invention discloses a micro instrument terminal based on module joints and used for a minimally invasive surgery robot. The micro instrument terminal comprises a rotary module of a first four-bar mechanism consisting of a module top end part, a module bottom end part, a lower support and first left and right connection pieces, and a rotary module of a second four-bar mechanism consisting of amodule top end part, a rotary connection shaft, an upper support and second left and right connection pieces; two ends of a first steel wire rope are connected with the top surfaces of the module topend parts, and the other two ends of the first steel wire rope are sequentially connected with a first rotary actuating device through the module bottom end part; two ends of a second steel wire ropeare connected with a rotary connecting shaft, and the other two ends of the second steel wire rope are sequentially connected with the first rotary actuating device through the module top end parts and the module bottom end part; and the upper part of the rotary connecting shaft is inserted into the central hole of a rotary rod and is in clearance and running fit with the rotary rod, and the rotary rod is connected with a surgery apparatus. Complex surgery can be more flexibly completed by adopting the device.

The invention relates to the technical field of clinical medicines, and particularly relates to a cell preservation solution and a preparation method and applications thereof. The cell preservation solution comprises albumin, glucose, vitamin C and basic preservation liquid, wherein the basic preservation liquid is a mixture of compound electrolyte injection and compound amino acid injection. The cell preservation solution disclosed by the invention achieves a good maintaining effect on the viability and morphology of more than two kinds of seed cells, and can preserve the seed cells for a long time, and maintain the biological characteristics of the seed cells, thereby significantly improving the therapeutic effect of the seed cells.

The invention discloses a robot for accurate diagnosis and treatment of maxillofacial diseases and belongs to the technical field of minimally invasive medical instruments. The robot comprises a robot supporting mechanism, a robot body mechanism, a universal joint and a control system. The robot supporting mechanism is used for realizing position adjustment of the robot body mechanism relative to an operating bed, namely relative to a patient, and primary positioning of a treatment portion of the patient is achieved through the position adjustment. The robot body mechanism realizes adjustment of three degrees of freedom in space, so that accurate positioning of the treatment portion of the patient is achieved by means of tail mechanisms. The universal joint is used for connecting three tail mechanisms for operative treatment. The robot can be connected with three different operative tail mechanisms to complete three different operations, is convenient to detach and flexible to operate, and has effects of reducing wounds, improving treatment effect with high accuracy and good repeatability while reducing radiation to medical staff and lowering workload thereof.

The invention provides a cable-free air bag type robot system which comprises a monitoring computer, a singlechip microprocessor, a wireless communication receiving and sending device, a wireless energy emitting circuit and a cable-free air bag type robot, wherein the singlechip microprocessor is respectively connected with the monitoring computer, the wireless communication receiving and sending device and the wireless energy emitting circuit, and the cable-free air bag type robot is in communication connection with the wireless communication receiving and sending device and is in energy exchange with the wireless energy emitting circuit. The cable-free air bag type robot system has the advantages of small trauma, safety and reliability, high movement efficiency, and wide application range.

The invention provides a balloon guide catheter, and in particular relates to the technical field of medical apparatus and instruments. The catheter is a composite pipe composed of an outer tube, an inner tube, and a suction tube positioned at the far end of the catheter which are coaxial, and a flexible balloon capable of realizing the full or contraction state is connected to the outer layer ofthe far end of the outer tube; an annular cavity between the inner tube and the outer tube forms a balloon filling cavity; the far end of the inner tube is welded to the near end of the suction tube;an inner cavity of the inner tube is connected with the inner cavity of the suction tube in series to form a guide cavity of the catheter, namely, a thrombus suction cavity; a main inner hole of a Y-shaped joint communicates with the inner cavity of the inner tube to form a wire guide cavity and the thrombus suction cavity; and the axis of side holes of the Y-shaped joint and the axis of the maininner hole of the Y-shaped joint have intersection at the near end direction of the catheter to form an acute angle, and the side holes of the Y-shaped joint and a gap between the outer wall of the inner tube and the inner wall of the outer tube communicate to form the balloon filling cavity. For the balloon guide catheter, during the interventional treatment process, blood flow can be blocked, sothat small broken thrombus is prevented from blocking the far end, and meanwhile, large thrombus blocks at the near end can be sucked, so that the surgery effect is greatly improved.

The invention provides a biological 3D printing apparatus, comprising a printing frame.A 3D biological printing pen device is disposed on the printing frame and comprises a pen barrel shell and a removable printing pen inside the pen barrel shell, the bottom end of the printing pen includes a printing nib, and a connecting sheet sleeves the pen barrel shell and is connected with the printing frame.An upper end of the printing pen is connected with an air pump hose, a nozzle casing sleeves the pen barrel shell, the top of the nozzle sleeve is provided with a rotary L-shaped fixing bolt, the L-shaped fixing bolt can be rotated to the top end of the printing pen to limit the printing pen, and after the L-shaped fixing bolt is rotated outside the printing pen, the printing pen is available for removal.The biological 3D printing apparatus forms an open space, the printing pen can be removed for handheld operation, and real-time minimally invasive in-situ printing for tissues or organs is facilitated.

The invention provides a hydrogel compound, a preparation method and the application. The preparation method comprises the following steps: (1), preparing a hyaluronic acid solution; (2), preparing aldehyde-based modified hyaluronic acid; (3), preparing hydrazide derivatization hyaluronic acid; (4), mixing the aldehyde-based modified hyaluronic acid and the hydrazide derivatization hyaluronic acidinto hydrogel. The method ensures that a final product can be matched with a clinical arthroscopy on the basis of guaranteeing excellent biocompatibility through modification on hyaluronic acid, ensures that hydrogel is rapidly formed in any defective parts through one-time minimally invasive injection, can be further tightly adhered to the defective parts, so as to reduce burden of patients as far as possible, and achieve the effect of promotion of cartilage repair.

The present application relates to a prosthetic valve prosthesis with an anchor, includes a bracket body having a passage for supplying blood flow and at least one fixing member, the fixing member isconnected with the bracket body, the fixing member includes a lower extension section and an upper extension section, one end of the lower extension section is connected with the bracket body as a fixed end, the other end of the lower extension extends proximally along the axis of the bracket body, extending distally in the opposite direction after passing through the bent region and connected tothe upper extension. The upper extension section is located on the outer side of the lower extension section, and a leaf receiving cavity is formed between the lower extension section and the upper extension section. The fixing member is further provided with a lamination device, and when the fixing member is completely released, the self-body leaf is stacked in the leaf receiving cavity. The clamping force of the fixation part of the prosthetic valve prosthesis is not influenced by the space between the stent body and the fixation part, and the influence on the blood outflow channel after thestent body is released is greatly reduced.

The invention discloses a manufacturing method of a digital jaw surgical guide plate and the digital jaw surgical guide plate. The digital jaw surgical guide plate comprises an osteotomy line mark part, a neurovascular bundle running mark part, a dental germ position mark part and a plate body, wherein the osteotomy line mark part, the neurovascular bundle running mark part and the dental germ position mark part are arranged on the plate body. According to the digital jaw surgical guide plate, a surgical design scheme is completely realized, tissue wound is reduced, the surgery time is shortened, the risk of abnormal injury in surgery is reduced, and accuracy and safety of a jaw shaping surgery are comprehensively improved.

The invention provides an artificial dental abutment, an artificial dental multi-part implanting system and an implanting method. A crown connection section and an implant connection section are respectively arranged at two ends of the artificial dent abutment, wherein the included angle of the axis of the crown connection section and the axis of the implant connection section is 10-30 degrees. The artificial dental abutment can adapt to various oral implanting conditions and angles. An artificially implanted tooth has a harmonious and beautiful repairing effect with surrounding tissues and remained dentition by adopting the abutment. The invention discloses an artificial dental multi-part implanting system comprising the artificial dental abutment, wherein the implant is a multi-part and nonsubmerged technology combined implant, is high in stability and strength, and can adapt to various oral implanting conditions and angles, can be used for effectively reducing the local stress, shortening the healing time and reducing the hurt of patients.

The invention discloses a long bone resetting robot in series-parallel connection, which comprises a serial connection part and a parallel connection part, wherein the serial connection part comprises a near-end fixing mechanism and a far-end fixing mechanism which are connected or disconnected through a positioning rod; each of the near-end fixing mechanism and the far-end fixing mechanism comprises a fixing plate, a locking bolt, a connecting rod, a connecting rod mounting base, a bracket rod and a latch clamping mechanism; the latch clamping mechanism comprises a connecting bolt and a latch; the parallel connection part comprises a far-end platform panel, a far-end platform connecting plate, a far-end platform pressing plate, a near-end platform panel, a near-end platform connecting plate, a near-end platform pressing plate and a stretching rod mechanism; and the stretching rod mechanism comprises a connecting hinge, a sleeve and a connecting rod. The long bone resetting robot in series-parallel connection is mainly used for realizing a function of assisting the resetting of long bone fracture by the robot under a closed condition. The long bone resetting robot in series-parallel connection has the characteristics of flexible mechanism, large work space, convenience in operation, and the like, and has an excellent application prospect.

The invention discloses a total temporomandibular joint prosthesis. The total temporomandibular joint prosthesis comprises a mandible prosthesis, a condyloid process head prosthesis, a glenoid fossa bottom prosthesis and a glenoid fossa fossa prosthesis; the mandible prosthesis comprises a head part, a neck part and a lifting and supporting fixing part; the condyloid process head prosthesis is of a hollow ball body, and the hollow part is in a shape of a circular platform in match with the head part of the mandible prosthesis, and thus the head part of the mandible prosthesis is perfectly connected with the condyloid process head prosthesis; the glenoid fossa bottom prosthesis comprises a zygomatic arch fixing part and a connecting part; the glenoid fossa fossa prosthesis is cuboid, and clamping strips are arranged at the left side edge and the right side edge of the glenoid fossa fossa prosthesis; the clamping strips are connected with clamping slots in the fossa surface at a connecting part of the glenoid fossa bottom prosthesis by an inserting and drawing manner; the bottom surface of the glenoid fossa fossa prosthesis is a circular concave surface and is clung to the condyloid process head prosthesis. With the adoption of the total temporomandibular joint prosthesis, the postoperative wound can be reduced; the stability is high; the characteristic that the glenoid fossa of Chinese people is deeper than that of occidental; the articular tubercle is avoided grinding which leads to damage to basis cranii in operation.

The invention discloses a reinforced compound sheathing canal, a preparation method and application thereof. The reinforced compound sheathing canal sequentially comprises an inner layer, a reinforced layer and an outer layer from interior to exterior, wherein the reinforced layer comprises axial reinforcing elements and a spiral reinforcing element, the spiral reinforcing element is a single spiral element or is formed by combining two or more spiral elements, the axial reinforcing elements are disposed on the inner side or outer side of the spiral element, or are inserted between the spiral elements, and various axial reinforcing elements are uniformly arranged in the circumference direction of the sheathing canal. The reinforced compound sheathing canal provided by the invention has the advantages of thin wall, high axial strength, high radial strength, high torque transitivity and the like, can be applied to a transport system for transporting medical device implants needed in a minimally invasive treatment and can reduce the outer diameter of the transport system, so that the medical device implants are easy to arrive at lesion positions, damage to the blood vessel of a patient is reduced, and sufficient technical support is provided for reliable, successful and safe transport and implantation of the medical device implants by the transport system.

A slow-releasing high-molecular microsphere of analgesic is prepared from high-molecular material and analgesic through emulsifying, cross-linking, thermal setting, and volatilizing solvent. It can be implanted in cavum epidurale or operation incision for slow releasing.

The invention relates to a magnetic resonance compatible puncture needle which comprises an outer needle and an inner needle, wherein the inner needle is embedded in the outer needle. The magnetic resonance compatible puncture needle is characterized in that the outer needle is made of pure titanium, and the inner needle is made of titanium alloy. The outer needle of the magnetic resonance compatible puncture needle is made of the pure titanium material, and the inner needle is made of the titanium alloy material, thereby reducing the size of the puncture needle under magnetic resonance imaging and being convenient for better judging the position of the puncture needle.

The invention provides a volume reduction device for a left ventricle. The volume reduction device comprises a supporting frame which is made of shape memory alloy, and the supporting frame is covered with a polymeric membrane. When the supporting frame is released into the left ventricle from the cardiac apex of the left ventricle, the shape of the released supporting frame is matched with the inner wall of the left ventricle. A supporting end which extends outwards is arranged at the end, far away from the cardiac apex, of the supporting frame, and the supporting end is clamped on the inner wall of the left ventricle. A connecting sleeve which is detachably connected with a push rod is arranged at the end, close to the cardiac apex, of the supporting frame. According to the volume reduction device for the left ventricle, the ventricle area without functions can be isolated, the volume contraction and expansion are reduced, the tension of the left ventricle is lowered, and the cardiac function of left ventricle reconstitution and heart failure patients is improved. An intervention way is adopted, the design of minimally invasive cardiac apex passing is created, and the trauma is lowered to the minimum. Through the design that the diameter of a transferring sheath is decreased in the cardiac apex passing way or the intervention way, the risk of damaging blood vessels, cardiac valves and the like is avoided. The design of a positioning base, a cardiac apex positioner and the like is adopted, positioning is good, and the attaching tension is high.

The invention discloses a laser lipolysis system. The system comprises a laser module, a controller, a cooling component, an operation optical fiber device and an optical fiber connector, wherein the laser module comprises a first laser component and a second laser component; a first laser is a visible wavelength laser for indicating a radiation region, a second laser is an infrared wavelength laser for lipolysis, and the wavelength of the first laser is different from that of the second laser. The laser lipolysis system can be used for outputting lasers with two wavelengths, and an elliptical laser beam output by utilizing a flat round optical fiber can be used for quickly, smoothly and safely dissolving fat in a thin fat layer. By means of an optical fiber identification system, initial data in a radio frequency transmission memory can be inquired through a radio frequency reader-writer, the manufacture and state of an operation optical fiber can be identified, new data is saved according to use records, and disposable use of the optical fiber can be identified and controlled by the controller, so that cross infection can be avoided.