32results about How to "Meet the surgical requirements" patented technology

The invention provides a special-shaped vertebral body expansion balloon catheter, which relates to a surgical instrument used for treating compression fracture of the vertebral body and comprises a special-shaped expandable balloon, an inner catheter, an outer catheter, a Y-shaped handle, a development mark, a support wire and a support wire handle, wherein the inner catheter is arranged and inserted in the outer catheter, the back part of the outer catheter is arranged and inserted into the Y-shaped handle in a sealed way, the special-shaped expandable balloon is arranged at the front part of the outer catheter in a sealed way, the development mark is arranged in a position of the inner catheter positioned inside the special-shaped expandable balloon, the support wire is formed in the support wire handle through injection molding, is inserted and arranged in the inner catheter through the Y-shaped handle, and is used for supporting, and the inner catheter is prevented from deforming. The special-shaped expandable balloon consists of an expandable balloon and reinforcing ribs made of fiber, and the reinforcing ribs are formed inside the expandable balloon through injection molding. The reinforcing ribs of the special-shaped expandable balloon adopt carbon fiber, macromolecular polyethylene fiber, memory array wires or plastic nylon materials.

The invention discloses a novel processing technology for a root canal file and the root canal file and puts forward the root canal file processed with the composite blank body technology so as to overcome the defects of expensive materials, high processing costs and low processing efficiency of root canal files in the prior art. According to a blank of the root canal file, a composite blank bodyis formed through drawing and compositing of two or same materials, and then a handle, a connecting rod and a file body are processed at different parts of the composite blank body. The technology hasthe advantages that inner and outer materials can be matched flexibly, a metal tube and a metal bar of the composite blank body can be made of different materials, the use effect is not affected while materials of a file body meet operation requirements, and the cost is convenient to control. During screwing manufacturing of threads of file bodies, screwing manufacturing is performed on two connected composite blank bodies simultaneously, the two connected composite blank bodies are cut off in the middle finally, two root canal files are processed simultaneously, and thus the processing efficiency is improved.

The invention discloses an operation method, electronic device and storage medium of a comfortable anesthesia auxiliary control system. The method comprises the steps that a system collects and determines patient information and an operation type according to an operator; the system monitors IOC1, IOC2, EMG, BS, electromyographic index, heart rate, blood pressure and cerebral blood flow of the administration patient; a percutaneous electrical stimulation electrode slice is pasted to the Siguan acupoint of the patient before induced administration, and the electronic acupuncture instrument is made to be in a working state; a crystalline liquid subsystem is entered according to the monitoring parameters; calculation is conducted according to the conventional administration dosage, and when intubation is achieved through adjustment, the system can prompt a doctor to conduct intubation; before an operation is started, a doctor gives a starting instruction, the system adjusts the dosage according to a conventional operation and the patient information conditions, and the pumping speed of analgesic after operation skin cutting is started is determined; then the sedation degree is determined according to the size relation between the IOC1 and the IOC2; and in the anesthesia maintenance period, administration in the whole anesthesia process is completed by the system, and the balance between anesthesia (electroencephalogram) parameters and vital sign parameters of the surgical patient is achieved.

The invention relates to a double-motor clip applicator. The double-motor clip applicator comprises a working head as well as a first motor, a second motor, a first drive assembly, a second drive assembly and a clip bin assembly which are arranged in the working head, wherein the clip bin assembly comprises a clip bin for accommodating ligation clips and a clamp arranged on one side of the clip bin, a trigger rod and a clip pushing rod are also arranged in the working head, the trigger rod is connected with the clamp to open or trigger the clamp, the first drive assembly is connected with thetrigger rod and the first motor, the second drive assembly is connected with the clip pushing rod and the second motor, and the clip pushing rod pushes the ligation clips in the clip bin to enter theclamp. The double-motor clip applicator solves the problems that a traditional clip applicator needs a shaft to complete clip sending and trigger actions, has higher dependence and restriction relations and causes misoperation easily. Through double-motor control, the double-motor clip applicator is simpler to operate, has a higher degree of freedom and reduces the error rate.

The invention discloses a medical apparatus for muscle retraction. The medical apparatus for the muscle retraction comprises a base, a workbench arranged at the top end of the base, and a left vertical plate and a right vertical plate which are arranged on the workbench, wherein strip-shaped sliding slots are formed in the left vertical plate and the right vertical plate; a first traction device is arranged on the left vertical plate; a second traction device is arranged on the right vertical plate; a first sliding component and a second sliding component are arranged inside the strip-shaped sliding slots. The medical apparatus for the muscle retraction is easy to operate, muscles can be pulled slowly through the traction devices, and the muscle pulling width is adjusted, so that smooth operation of surgery is guaranteed; in addition, the sliding components can be adjusted up and down to adjust the muscle pulling height, so that requirements of the surgery are met and the progress of the surgery is greatly accelerated.

The invention discloses a positioning indwelling needle used for continuous peripheral nerve blocking. The positioning indwelling needle is composed of two components, namely a Y-shaped indwelling needle and a nerve positioning needle. The Y-shaped indwelling needle includes a needle base, an indwelling hose led out along the bottom surface of the needle base, and an injection guide pipe led out along the side surface of the needle base; the nerve positioning needle includes a needle body which can be inserted into an inner cavity of the indwelling hose, the needle body is installed on a needle handle which can be buckled with the needle base, and a wire used for connecting the needle body with a nerve stimulator is led out of the tail end of the needle handle; the needle body is made from conductive materials, the indwelling needle is made from insulating materials, and the tip of the needle body extends and is exposed outside the indwelling hose. When the positioning indwelling needle is in use, an electrode slice used for a positive electrode of the nerve stimulator is connected with limbs at the same side of a patient, the output end of the nerve stimulator is connected with the needle body of the nerve positioning needle through the wire, and according to the anatomical position of a to-be-blocked peripheral nerve, a puncturing and needle inserting point is determined. The positioning indwelling needle is cheap, accurate in anesthesia positioning, convenient and reliable in postoperative analgesia and few in complication, and the quality and safety of anesthesia is significantly improved.

The invention provides a disposable anorectum visual mucosa protection fixator, and relates to the field of medical instruments. The disposable anorectum visual mucosa protection fixator comprises an expansion cylinder, a pushing device and a protection structure, the expansion cylinder comprises a straight cylinder, four supporting plates are fixedly connected to one end of the straight cylinder at equal angles, the caliber of the other end, away from the straight cylinder, of the straight cylinder is linearly reduced, the inner walls of the supporting plates are fixedly connected with sliding rails, a pushing block is arranged in the straight cylinder, a notch is formed in the edge of the pushing block and matched with the sliding rails, the outer side wall of the supporting plate is wrapped with a silicon rubber sleeve, a through hole is formed in the silicon rubber sleeve and penetrates through the inner wall of the supporting plate, the pushing device comprises a rotating disc, a first screw rod is fixedly connected to the middle of one end of the rotating disc, and the other end of the first screw rod is rotationally connected with a push plate. The expansion cylinder, the pushing device and the protection structure are simple in structure and convenient to use.

The invention discloses a route adjusting device for a fracture surgery. The device consists of an up-and-down movement freedom degree component (1), a left-and-right movement freedom degree component (2), an up-and-down movement freedom degree component (3), a left-and-right movement freedom degree component (4), a route adjusting component (5) and a connecting piece (6), wherein the route adjusting component (5) is fixedly connected to the tails of the left-and-right movement freedom degree components (2) and (4) by screws; and the up-and-down movement freedom degree components (1) and (3) are connected with the left-and-right movement freedom degree components (2) and (4) and the connecting piece (6) respectively by screws. The up-and-down movement freedom degree components (1) and (3) have the same structure, the left-and-right movement freedom degree components (2) and (4) have the same structure, and the up-and-down movement freedom degree components (1) and (3) and the left-and-right movement freedom degree components (2) and (4) are connected together by the connecting piece (6). The route adjusting device for the fracture surgery is structurally designed in a miniaturized and modularized mode, contributes to disassembly and assembly and has a good application prospect in the technical field of medical devices.

The invention relates to the field of laser medical equipment, particularly to novel pulse thulium optical fiber laser medical equipment with an intraoperative detection function. According to the invention, the novel pulse thulium optical fiber laser medical equipment has the advantages of simple structure, high stability, laser output in double modes and the like; pulse or continuous laser is output through a switchable pulse / continuous thulium optical fiber laser and enters an optical fiber coupler, wherein pulse mode laser and continuous mode near-infrared laser can be switched and outputafter the pulse or continuous laser enters multimode energy transmission optical fiber in a coupling mode, the continuous laser is used for soft tissue gasification excision and hemostasis of large vessels and venous sinuses, and the pulse laser is used for soft tissue cutting so as to meet operation requirements, so that one machine has two purposes, and burdens of hospitals are greatly reduced.

The invention relates to a bending tong head former and a forming method thereof, and provides a technical scheme for solving the problem that there is no bending workpiece aiming at a tong head in the prior art, a bending tong head former comprises a handle, a base, a positioning plate, a pressing plate, a bending piece, a telescopic pressing rod and a blank cap; the positioning plate is fixed on the base; the top of the positioning plate is provided with a tong head bending groove; the pressing plate is arranged on the top of the base through a bolt; the bending piece is rotationally connected with the base; the lower edge of the end face of the bending piece facing the positioning plate is provided with an inclined plane for positioning; a cavity for installing the telescopic pressingrod is arranged in the bending piece; the telescopic pressing rod comprises a rod body, a spring and a limit nut; the rod body is connected with the inner wall of the cavity in a sliding way; one endof the rod body close to the positioning plate is provided with a tong head bending die cavity; and one end of the rod body far away from the positioning plate is connected with the limiting nut. Thebending tong head former has good forming effect on the tong head, and is practical, convenient and labor-saving.

The invention discloses a cutting knife detection method for a cutting anastomat. The method comprises the following steps: turning on a power supply, and electrifying and clearing a detection device;setting a maximum cutting force value for detection; fixing an object to be cut to a special clamp for the object to be cut; cutting the object to be cut with a cutting knife until cutting off, wherein an AD converter receives a signal from a sensor, then converts an analog signal into a digital signal and transmits the digital signal to a data processing module, and the data processing module outputs a detection result to a display module after calculating; and comparing the detection value with the set maximum cutting force value to determine whether the sharpness of the cutting knife meetsrequirements. According to the cutting knife detection method for the cutting anastomat, the sharpness of the cutting knife is tested through data acquisition and data processing, the cutting force is digitally displayed and recorded, whether the sharpness of the cutting edge of the whole cutting knife meets the requirements or not can be effectively detected, and a strong data support is provided for improving the performance of the cutting knife.

The invention discloses a sleeve loading type multi-gap electromagnetic hemostatic needle and belongs to the field of medical equipment.The sleeve loading type multi-gap electromagnetic hemostatic needle comprises an outer conductor (1) and an inner conductor (2).The outer conductor (1) is a hollow cylinder.The inner conductor (2) is arranged in the outer conductor (1).The space between the inner conductor (2) and the outer conductor is filled with a medium layer (3), the outer conductor (1) is provided with an annular gap (4), and the outer conductor (1) is sleeved with a metal sleeve (5) which is matched with the outer diameter of the outer conductor (1) and can slide in the axial direction of the outer conductor (1).By adjusting the position of the metal sleeve, the number of effective gaps can be adjusted to be one or larger freely by means of the electromagnetic shielding principle, and therefore the electromagnetic wave acting range and the effect shape are changed, a continuous ablation and bleeding stopping face is built according to specific requirement to perform liver resection, or a thermal ablation effect is concentrated within a round range to perform local ablation treatment.

The invention provides a surgical operation bed and a movable operation bed, and relates to the technical field of medical equipment. The surgical operation bed comprises a turnover bed body and a lifting device; the turnover bed body comprises a supporting frame, a bed body and a first driving mechanism; the bed body is arranged on the supporting frame, the output end of the first driving mechanism is connected with the bed body, and under the driving effect of the first driving mechanism, the bed body and the support frame can relatively move, so that the bed body is turned over; the top ofthe lifting device is connected with the bottom of the supporting frame, and under the driving effect of the lifting device, the turnover bed body can lift or fall in the vertical direction. The movable operation bed comprises the surgical operation bed. The invention aims at providing the surgical operation bed to solve the problems in the prior art that a turnover operation bed is complicated instructure, vibration is generated in the turnover process, the height is inconvenient to adjust, and the movement is inconvenient.

The invention discloses a kit for micro-incision laparoscopic surgery. The kit includes an electrocoagulation needle and a double sheath cannula. The sheath tube, the left sheath tube and the right sheath tube are both semicircular pipes, the two arc surfaces are opposite and hinged at the top by a hinge, the left side of the upper end of the left sheath tube is provided with a left air inlet, and the right sheath tube The right side of the upper end of the upper end is provided with a right air inlet, the left sheath above the left air inlet is provided with a left anti-leakage valve, and the right sheath above the right air inlet is provided with a right anti-leakage valve; The electrocoagulation needle includes a needle tail and a needle point, and the needle tail is connected with an electrocoagulation wire. Cooperating with the electrocoagulation needle and the double sheath cannula of the present invention, only one incision of 10 mm and one or two 2 mm incisions are required. On the premise that the difficulty of the operation does not increase significantly, the incisions are few and small, and the 2 mm incisions are restored. Incision scars are barely visible, and patients experience significantly less postoperative incision pain.

The invention discloses a water-cooled electromagnetic bleeding-stopping needle, belonging to the field of medical devices. The water-cooled electromagnetic bleeding-stopping needle comprises an outer conductor (1), an inner conductor (2), a medium layer (3) and a water guide pipe (5), wherein the outer conductor (1) is a hollow cylinder, the inner conductor (2) is arranged in the outer conductor (1), the space between the inner conductor (2) and the outer conductor (1) is filled with the medium layer (3), the inner conductor (2) is a hollow cylinder, the water guide pipe (5) is arranged in the inner conductor (2), and placed along the axial direction of the inner conductor (2), and a gap is reserved between the water guide pipe (5) and the inner conductor (2). The water-cooled electromagnetic bleeding-stopping needle is ingenious in structure, while the problems existing in the water-cooling circulating systems of the traditional electromagnetic bleeding-stopping needles are solved, the size of the water-cooled electromagnetic bleeding-stopping needle provided by the invention is effectively reduced, further, by adjusting the position of a metal sleeve, the number of effective gaps is randomly regulated from one to more according to the electromagnetic shielding principle, so that the actuating range and effect shape of electromagnetic waves are changed.

The invention discloses a nozzle frosting prevention based rapid cooling device for liquid CO2 flash mist spray. The device comprises a high-pressure nitrogen gas cylinder, a high-pressure carbon dioxide storing tank, a cooling circulating system, a solenoid valve and a nozzle, wherein an outlet of the high-pressure nitrogen gas cylinder is connected to an inlet of the carbon dioxide storing tank;the outlet of the carbon dioxide storing tank is connected to one end of a high-pressure hose; a middle section of the pass of the high-pressure hose is connected to tube side inlet of a sleeve typeheat exchanger; a tube side outlet of the sleeve type heat exchanger is connected to the high-pressure hose; the other end of the high-pressure hose is connected to the solenoid valve; a stainless straight-tube type double-liquid nozzle provided with a heat insulated vacuum layer is mounted at the output end of the solenoid valve. The device can be matched with a laser probe of any laser to use, and the purpose of efficiently and selectively cooling normal epidermal tissue of a patient in a vascular and pigmented skin diseases laser operation can be achieved; the heat loss of epidermis is prevented, and the treatment effect is improved.

The invention discloses a sleeve loading type multi-gap electromagnetic hemostatic needle and belongs to the field of medical equipment.The sleeve loading type multi-gap electromagnetic hemostatic needle comprises an outer conductor (1) and an inner conductor (2).The outer conductor (1) is a hollow cylinder.The inner conductor (2) is arranged in the outer conductor (1).The space between the inner conductor (2) and the outer conductor is filled with a medium layer (3), the outer conductor (1) is provided with an annular gap (4), and the outer conductor (1) is sleeved with a metal sleeve (5) which is matched with the outer diameter of the outer conductor (1) and can slide in the axial direction of the outer conductor (1).By adjusting the position of the metal sleeve, the number of effective gaps can be adjusted to be one or larger freely by means of the electromagnetic shielding principle, and therefore the electromagnetic wave acting range and the effect shape are changed, a continuous ablation and bleeding stopping face is built according to specific requirement to perform liver resection, or a thermal ablation effect is concentrated within a round range to perform local ablation treatment.

The invention provides a magnetic resonance imaging compatible needle knife, which comprises a needle knife handle, a needle knife body and a needle knife head. The needle knife body and the needle knife head are made of a paramagnetic metal material, and a layer of diamagnetic metal material coat is coated on the paramagnetic metal material. In the needle knife, because the diamagnetic metal material coat can counteract the magnetization effect of an external magnetic field on the paramagnetic metal material, the paramagnetic metal material does not cause the magnetic distortion of magnetic resonance equipment, and meanwhile does not produce artifacts in scanned images. Moreover, because the paramagnetic and diamagnetic metal materials consist of metal elements, the mechanical propertiesof the needle knife body and the needle knife head can be ensured so as to meet the requirement of needle knife operations.