25 results about "Decompression operation" patented technology

The invention belongs to the technical field of radial artery compression haemostat, and relates to an intelligent control system and method for a radial artery compression haemostat, and the method comprises the steps: determining the adaptive initial pressure of the radial artery compression haemostat for a target patient through combining the individual medical representation angle and historical experience reference angle of the target patient; the initial hemostasis effect of the radial artery compression hemostat on the target patient is evaluated, the adaptive initial pressure is continuously corrected until the initial hemostasis effect reaches the expectation, and then the hemostasis condition of the target patient is monitored in real time to judge whether the preset decompression decision condition is met or not; the method comprises the following steps: executing pressure reduction operation of the radial artery compression hemostat, evaluating and feeding back the pressure reduction operation reasonability of the radial artery compression hemostat for a target patient, and executing wearing release prompt operation of the radial artery compression hemostat when the pressure balance state of the radial artery compression hemostat lasts for a preset duration. And highly intelligent and personalized management of the radial artery compression hemostat is realized.

The invention relates to a nickel-titanium alloy stent for limiting brain bulging and flap sinking after skull flap removal and a preparation method of the nickel-titanium alloy stent, and relates to the field of biomedical materials, the stent is of an elastic net-shaped structure which is arranged according to the radian of a missing flap on a bone window and is provided with a plurality of reserved gaps; the stress deformation pressure of the bracket ranges from 103.085 kPa to 103.285 kPa, and the stress deformation pressure of the bracket ranges from 103.085 kPa to The stent comprises a plurality of polygonal grid units which are uniformly distributed, the plurality of polygonal grid units are connected to form a net-shaped structure, and pores in the middles of the polygonal grid units are reserved gaps; and each polygonal grid unit consists of a plurality of S-shaped edge wires which are connected end to end. In a deboning decompression operation, the nickel-titanium alloy stent provided by the invention is placed on a bone window to solve the problems of early-stage brain bulging and later-stage skin flap sinking after a skull flap is removed; the prepared nickel-titanium alloy stent is excellent in mechanical property, high in biological safety and high in clinical adaptability.

The invention relates to a control method and system of an artery compression device, and solves the problem that compression parameters are not matched with actual hemostasis requirements due to the fact that depth correlation with blood vessel characteristics and individual conditions is not established no matter whether unified parameter setting of a mechanical fixing mode or simple feedback logic of a primary electronic adjusting mode is adopted. The method comprises the following steps: collecting the current pressure intensity and accumulated duration of a compression unit in real time during timing, and when the accumulated duration reaches a preset time interval of a curve, executing pressure reduction operation according to a pressure reduction value corresponding to a personalized pressure reduction curve; if the deviation between the current pressure intensity and the theoretical value of the curve is larger than a preset deviation value, the pressure reduction amplitude is corrected synchronously according to the deviation value, the correction is in positive correlation with the vascular elastic parameters, and when the accumulated duration reaches the total compression time set by the curve, the preset duration is adjusted and maintained according to the termination pressure intensity set by the curve. The method has the following effects that personalized precise compression is achieved, and the hemostasis safety and the comfort of a patient are improved.

The application relates to a control method and system of an arterial compression device, and solves the problem that neither unified parameter setting of a mechanical fixed mode nor simple feedback logic of a primary electronic regulation mode establishes deep connection with blood vessel characteristics and individual conditions, leading to mismatching of compression parameters and actual hemostasis requirements, the method comprising the following steps: real-time acquisition of current pressure of a compression unit and cumulative duration during timing, when the cumulative duration reaches a time interval of a preset curve, a decompression operation is performed according to a corresponding decompression value of a personalized decompression curve; if the current pressure deviates from a theoretical value of the curve by more than a preset deviation value, the decompression amplitude is simultaneously corrected according to the deviation value, and the correction amount is positively correlated with a blood vessel elasticity parameter; when the cumulative duration reaches a total compression time set by the curve, the termination pressure set by the curve is regulated and maintained for a preset duration. The application has the following effects: individualized precise compression is realized, and hemostasis safety and patient comfort are improved.

The utility model discloses a diabetic foot decompression device which comprises a bottom plate, a fixing frame is installed at one end of the top of the bottom plate, and when a movable block moves outside a threaded rod, cylindrical blocks at the two ends of the outside can be synchronously driven to slide inside a sliding groove; when the two cylindrical blocks slide, the two cylindrical blocks drive the adjusting plate to rotate through the supporting rods connected with the outer parts of the cylindrical blocks to adjust the angle, so that the diabetic patient can be massaged and decompressed when lying or sitting. On the basis that the foot angle of the pressure reduction operation can be adjusted, a specific massage pressure reduction mode is carried out according to the characteristics of the arch and toe areas, and meanwhile the temperature of the sole in the process can be detected.

The application discloses an intracranial ventricle temporal horn-frontal horn bypass shunt pipeline, which comprises a three-way flow guide pipe, a frontal horn liquid passage pipe and a connecting joint, the first end of the three-way flow guide pipe is arranged in the ventricle temporal horn, the second end of the three-way flow guide pipe is detachably connected with one end of the frontal horn liquid passage pipe through the connecting joint, the connecting joint is used for blocking / communicating the second end of the three-way flow guide pipe and the frontal horn liquid passage pipe, the other end of the frontal horn liquid passage pipe is arranged in the ventricle frontal horn, and the third end of the three-way flow guide pipe is used for connecting a liquid storage bag under the scalp or leading out of the scalp. The bypass shunt pipeline of the application adopts the three-way flow guide pipe, the third end of the three-way flow guide pipe is used for connecting the liquid storage bag or leading out of the scalp, the third end of the three-way flow guide pipe can be used for taking cerebrospinal fluid samples for testing, thereby assisting clinical diagnosis; meanwhile, the end can be used for implementing liquid pumping and pressure reduction operation, so as to reduce intracranial pressure.

The present invention belongs to the technical field of radial artery compression hemostatic devices, and relates to an intelligent control system and method for a radial artery compression hemostatic device. By combining the perspectives of the individual medical performance of the target patient and the reference of historical experience, the initial pressure suitable for the target patient of the radial artery compression hemostatic device is determined to perform the pressing operation of the radial artery compression hemostatic device, evaluate the initial hemostatic effect of the radial artery compression hemostatic device on the target patient, continuously correct the initial pressure suitable until the initial hemostatic effect reaches the expectation, then monitor the hemostatic condition of the target patient in real time to determine whether the preset decompression decision condition is met, so as to perform the decompression operation of the radial artery compression hemostatic device, evaluate and feedback the rationality of the decompression operation of the radial artery compression hemostatic device on the target patient. After the pressure balance state of the radial artery compression hemostatic device lasts for a preset time, perform the prompt operation for removing the wearing of the radial artery compression hemostatic device, realizing the highly intelligent and personalized management of the radial artery compression hemostatic device.

The utility model discloses a variable bone hook and depth limiting type spinal minimally invasive decompression operation robot belongs to medical instrument technical field. The robot passes through multiaxis mechanical arm drive guide connecting block, drives depth limiting equipment dynamic regulation cutting tool device and the working depth of detection device. Detection device adopts the variable bone hook structure of memory alloy bone hook subassembly or mechanical lever control, and cutting tool device retreats the knife, and through low temperature trigger mode switching or angle adjustment realizes safe separation, avoids secondary trauma. Cooperation elastic adjusting device real -time compensation vertebral plate outer surface safety height fluctuation, prevents the knife of cutting tool device and installs the knife and excessively invades the spinal canal. Control equipment coordinates multiaxis mechanical arm, guide motor and depth adjusting mechanism, realizes automatic positioning and dynamic limiting. The utility model has the functions of cutting tool safety feed, high accuracy positioning, self -adaptation depth compensation and safe knife withdrawal, can reduce minimally invasive spinal decompression operation risk.

The invention discloses a blood sampling auxiliary bolster integrating automatic pressurization and cushion towel replacement functions. The blood sampling auxiliary bolster comprises a flexible supporting cushion layer, an upper arm automatic pressurization air bag, a gas guide pipe, a disposable cushion towel, a cushion towel replacement mechanism, an operation control area and a power supply assembly. The control area is operated to control inflation and deflation of the air bag, and automatic pressurization and decompression operation on the upper limbs of a patient is achieved. The pad towel is automatically replaced through the storage reel and the guide roller, the operation efficiency is improved, and the risk of cross infection is reduced. The bolster structure supports detachable cleaning, and the high-frequency use requirement under the medical scene is met. Optionally, the device further comprises a recycling reel, a closed-loop pressure control module and a data communication module, and synchronous recycling of the used pad towel, pressure closed-loop adjustment and wireless uploading of blood sampling information are achieved. The automatic blood sampling device is reasonable in structural design, convenient to operate, capable of reducing the nursing work intensity and improving the standardization and automation degree of the blood sampling process, and suitable for various scenes such as outpatient service, sickrooms and mobile blood sampling.

The utility model discloses an improved gastrointestinal decompression tube which comprises a decompression tube body, one end of the decompression tube body is fixedly connected with a silica gel contact head, an open groove is formed in the outer ring of the decompression tube body, an equipment pipeline penetrates through the outer ring of the decompression tube body, and a pressure sensor is arranged at one end of the equipment pipeline. And the outer ring of the pressure sensor is fixedly connected with a temperature sensor. By means of the silica gel contact head fixedly connected to one end of the decompression tube, due to the flexibility and biocompatibility of silica gel materials, damage and stimulation to the inner wall of the gastrointestinal tract can be reduced, the comfort level of a patient is improved, and the slotting design of the outer ring of the decompression tube is beneficial to improving the flexibility and adaptability of the tube body; the decompression tube can be better attached to the gastrointestinal tract in shape, compression on surrounding tissue is reduced, so that discomfort of a patient is reduced, the design that an equipment pipeline penetrates through the decompression tube allows pressure monitoring and decompression operation to be conducted at the same time, invasion to the body of the patient is reduced through the integrated design, and the operation process is simplified.

The invention is suitable for the technical field of gastrointestinal instruments, and provides a gastrointestinal decompression device which comprises a base plate. The universal wheels are symmetrically fixed at the bottom of the base plate; the box body is arranged on the base plate; the mounting frame is fixed on the base plate; the negative pressure shell is fixed on the mounting frame; the connecting tube is fixedly communicated with the liquid inlet end of the negative pressure shell; a stomach tube is mounted at one end, far away from the negative pressure shell, of the connecting tube; the liquid guide pipe is fixedly communicated with the liquid outlet end of the negative pressure shell, and the end, away from the negative pressure shell, of the liquid guide pipe extends into the box body. According to the gastrointestinal decompression device provided by the scheme, the motor is matched with the speed regulator, power is provided for the negative pressure generation mechanism and the switching mechanism, manual operation is reduced, and the workload of medical staff is reduced; by means of linkage of the at least two collection bottles and the switching mechanism, the collection bottles can be replaced without a pause device, the continuity of pressure reduction operation is effectively maintained, and the problem that an existing device depends on manual dumping and cannot continuously run is solved.

A device for measuring intracranial blood flow comprises a first flexible metal electrode and a second flexible metal electrode, the first flexible metal electrode is fixedly embedded in the middle of a first silica gel sheet, and the second flexible metal electrode is fixedly embedded in the middle of a second silica gel sheet; a flexible ultrasonic probe array is installed between the first flexible metal electrode and the second flexible metal electrode, and the two sides of the flexible ultrasonic probe array are connected with the first flexible metal electrode and the second flexible metal electrode respectively. A flexible connector is arranged between the first silica gel sheet and the second silica gel sheet; and the outer side of the flexible connector is connected with external data processing equipment through a data transmission line. The device overcomes the defects in the prior art, is tightly attached to an operation area of a patient after the osteoclavicular decompression operation during use, can dynamically monitor the blood vessel and blood perfusion condition of the brain in the operation area in real time for a long time, forms a visual cerebral perfusion function diagram, and is convenient for observing the postoperative condition of the patient more visually and conveniently.

A hemostatic device capable of performing decompression operation of an inflatable member and a reinjection operation of a fluid into the inflatable member without requiring a dedicated instrument includes an inflatable member configured to compress a puncture site, a band and a hook-and-loop fastener that function as a securing member to secure the inflatable member to the puncture site, and an injection member to inject fluid into a lumen of the inflatable member. The injection member includes a connector portion for injecting fluid, a main body portion including a tube connecting the connector portion and the inflatable member lumen, and a control unit that controls fluid flow through a lumen of the injection member. The control unit includes a first valve member, a second valve member located closer to the inflatable member than the first valve member, and a fluid storage portion located between the first and second valve members.

Provided is a hemostatic device capable of performing a decompression operation of an expansion member and a re-injection operation of fluid to the expansion member with simple operations without using a separate dedicated device relative to the hemostatic device. A hemostatic device (100) includes an expansion member (30) configured to compress a puncture site of a patient; a belt (10) and a hook-and-loop fastener (20) functioning as a fixing member configured to fix the expansion member (30) to the puncture site of the patient; and an injection member (50) configured to be able to inject gas (fluid) into a lumen of the expansion member (30), the injection member (50) including a connector portion (first protruding portion (71g)) for injecting the gas, a main body portion including a tube (60) connecting the connector portion and the lumen of the expansion member (30), and a control portion (70) controlling the flow of the gas passing through the lumen of the injection member (50), the control portion (70) including a first valve member (71), a second valve member (72) located on the expansion member (30) side compared to the first valve member (71), and a fluid storage portion (73) located between the first valve member (71) and the second valve member (72).

The invention belongs to the technical field of medical instruments, and particularly provides a diabetic foot decompression device which comprises a box body, a partition plate is arranged in the middle of the box body, the partition plate divides the interior of the box body into symmetrical decompression cavities, an overturning massage cover is rotationally arranged on the upper portion of the box body, and a seesaw type circulation decompression assembly is arranged in each decompression cavity; according to the seesaw type circulating pressure reduction assembly, the lever principle and the pre-acting principle are adopted, in the process that a patient lifts the heel or the tiptoe, the height of a lifting disc is dynamically adjusted by driving a seesaw, and the pressure reduction operation of the lifting disc is dynamically controlled through the relative position of a driving plate and a blocking plate; the lifting type pressure reduction mechanism can be adaptively adjusted according to the movement of the foot of the patient, so that the pressed part of the foot is prevented from being rubbed, and the skin of the foot is prevented from being injured; by adopting the separation pad made of flexible waterproof fibers, the device is convenient to clean, water can be injected for foot cleaning and nursing, and the use is convenient.

The intracranial ventricular temporal angle-frontal angle bypass pipeline comprises a three-way flow guide pipe, a frontal angle hydrotubation pipe and a connector, the first end of the three-way flow guide pipe is arranged in a ventricular temporal angle, and the second end of the three-way flow guide pipe is detachably connected with one end of the frontal angle hydrotubation pipe through the connector; the connecting joint is used for blocking / communicating the second end part of the three-way flow guide tube and the frontal angle hydrotubation tube, the other end of the frontal angle hydrotubation tube is arranged in the frontal angle of the ventricle, and the third end of the three-way flow guide tube is used for being connected with a liquid storage bag below the scalp or being led out of the scalp. According to the bypass pipeline for the bypass surgery, the three-way flow guide pipe is adopted, the third end of the three-way flow guide pipe is used for being connected with the liquid storage bag or leading out the scalp, and a cerebrospinal fluid sample can be reserved for testing by means of the third end of the three-way flow guide pipe, so that clinical diagnosis is assisted; meanwhile, the end can be used for implementing liquid pumping and pressure reducing operation so as to reduce intracranial pressure.

The utility model relates to the technical field of skull repair, in particular to a skull supporting and repairing bag which comprises a main bag body and a fixing portion, a cavity is arranged inside the main bag body, an injection port communicated with the cavity and the outside is arranged on the side wall of the main bag body, and the fixing portion is fixedly arranged at the bottom of the main bag body. By means of the skull closing device, rapid skull closing can be achieved after a skull flap removal decompression operation without affecting postoperative intracranial pressure, and in the waiting period of skull repair operation, symptoms such as postural headache, sensory abnormality and cranial nerve paralysis caused by the fact that the brain of a patient is exposed to atmospheric pressure can be avoided; and in the later-stage skull repair operation, a plastic material can be directly injected to form a bone sheet, so that the operation efficiency is greatly improved.

The invention belongs to the technical field of medical instruments, and particularly relates to gastrointestinal decompression equipment for gastrointestinal surgery, which comprises a liquid storage mechanism, an insertion tube and an infusion pump, and the infusion pump generates negative pressure to guide dissolved substances in the stomach of a patient into the liquid storage mechanism to complete decompression operation; the insertion tube comprises a hose, a liquid suction head and a lubricating mechanism, a lining piece is arranged in the hose to prevent deformation, and the hemispherical design of the liquid suction head is matched with the lubricating mechanism to reduce insertion resistance and reduce discomfort of a patient; the liquid storage mechanism prevents gastric soluble substances from flowing back through a backflow piece and a limiting pipe, and the operation safety is improved; the equipment is compact in structure and convenient to mount and dismount, and ensures that the whole pressure reduction process is smooth, stable and safe.

The utility model discloses a hemostasis device for emergency treatment, which relates to the technical field of hemostasis and comprises an upper ring, a lower ring is hinged to one end of the upper ring, a first bonding layer is arranged on the inner side of the upper ring and the inner side of the lower ring, an air bag is bonded on the inner side of the first bonding layer, and a pump is fixedly connected to one side of the upper ring. A first hose is arranged at one end of the pump machine, a rotary joint is installed at one end of the first hose, a connector is installed at one end of the rotary joint, an inner thread sleeve is fixedly connected to one end of the connector, and a through groove is formed in one side of the upper ring. The pressure on the arms of the patient can be automatically adjusted, compression hemostasis is conducted on the arms of the patient, medical workers do not need to conduct decompression operation, and the device is convenient to use.

The utility model relates to the technical field of medical instruments, in particular to a time reminding type duplex radial ulnar artery compression hemostasis device which comprises a connecting band, a mounting block is fixedly connected to the middle of the upper end of the connecting band, a clamping groove is formed in the upper end of the mounting block, and limiting holes are formed in the left portion and the right portion of the outer surface of the mounting block. The upper end of the mounting block is detachably connected with a timing mechanism, the lower end of the connecting belt is flexibly and fixedly connected with two compression mechanisms, the left part of the upper end of the connecting belt is fixedly connected with a magic tape hook surface, and the right part of the lower end of the connecting belt is fixedly connected with a magic tape rough surface. According to the time reminding type duplex radial ulnar artery compression hemostasis device, a medical worker can carry out timing through the electronic timer, an alarm is given out to remind the medical worker to carry out decompression operation on the compressor in time after the appointed time is reached, meanwhile, the two compression air bags are arranged, and therefore the compression hemostasis effect is greatly improved. The compression hemostasis device can be used for radial artery and ulnar artery duplex combination compression hemostasis.

The utility model belongs to the technical field of hemostasis devices, particularly relates to a pressing hemostasis device, and aims to solve the problems that in the process of driving a pressing plate to move downwards through a threaded rod, the pressing degree of the device on a wound of a patient is inconvenient to judge, and medical workers are difficult to decompress the wound step by step. In order to solve the problems that in the prior art, in the prior art, in the prior art, the device is fixed to the skin of a patient through a self-adhesive non-woven fabric bandage, the device is difficult to take down, and in the uncovering process, fine hair of the patient is dragged, and the pain of the patient is aggravated, the following scheme is provided: the device comprises a U-shaped mounting plate, and two sides of the U-shaped mounting plate are fixedly provided with a first fixing band and a second fixing band respectively; and a cylindrical barrel is fixedly arranged in the center of the U-shaped mounting plate. The compression degree observation assembly is arranged, so that medical staff can visually judge the compression degree and carry out decompression operation step by step, in addition, the device further adopts the design of the U-shaped comfortable pad, the buffer gasket and the like, and the wearing comfort of a patient is improved.

The utility model discloses a kind of anus tube integrating intestinal flushing, drainage and exhaust, belong to medical instrument technical field, specifically including a anus tube and second anus tube, the middle part side of a anus tube is provided with a branch pipe passage, second anus tube is inserted inside branch pipe passage, and the front end of second anus tube extends from the proximal end of a anus tube outside a anus tube, the front end outside of second anus tube is equipped with second balloon, the middle part pipe wall of a anus tube is also equipped with a cover connection port for being connected with connecting pipe connection.This utility model is composed of two anus tubes, two anus tubes are sleeved and cooperated at front end, by front, rear staggered fixed mode, discharge and decompression operation of intestinal excrement are isolated above anastomotic mouth, block secretion and excrement directly contact anastomotic mouth, reduce the nursing difficulty of anus, alleviate the pain of patient.

The invention discloses a split fusion cage compatible with direct decompression and end plate conformal bone grafting of an anterior spinal flexible robot. The split fusion cage comprises a first main body section, a second main body section and a third main body section, the first main body section is L-shaped and comprises a longitudinal supporting part and a transverse supporting part, and a first connecting part is arranged at the end, away from the longitudinal supporting part, of the transverse supporting part; the first main body section is provided with an inlet side parallel to the transverse supporting part and an outlet side parallel to the longitudinal supporting part, and the first main body section is used for enabling the flexible mechanical arm to enter and penetrate out of a spinal canal to extend into the spinal canal for direct pressure reduction operation; the second main body section is detachably connected to the first connecting part, and a U-shaped structure with a bone grafting cavity is defined by the second main body section and the first main body section; the third main body section is of a plate-shaped structure, and an O-shaped structure is defined by the third main body section, the second main body section and the first main body section. A split structure is adopted, an access channel and an operation space are provided for the flexible mechanical arm, direct pressure reduction operation is facilitated, in-vivo bone grafting can be carried out, and the adaptation of a bone grafting object and an end plate in shape is increased.

The invention relates to the technical field related to puncture drainage, in particular to a tension pneumothorax puncture drainage device for crush injury patients. The puncture needle is inserted into the inner side of the drainage tube and penetrates through the drainage tube; the arc-shaped tube is arranged on the outer side of the drainage tube; the cover body is arranged at the bottom end of the drainage tube; when the puncture needle is pulled out, the pull rod is pushed, the clamping block is inserted into the clamping groove, meanwhile, the puncture needle is still located in the cover body, at the moment, after the bottom of the drainage tube is blocked, the puncture needle is pulled outwards again to be separated from the drainage tube, follow-up drainage or pressure reduction operation is facilitated, the baffle can be limited by inserting the limiting block into the limiting groove, and the puncture needle is prevented from falling off. The tension pneumothorax puncture drainage device can be conveniently inserted into a cylindrical barrel mechanism subsequently, auxiliary drainage and pressure reduction treatment are carried out, the application range of the device is enlarged, and the problem that an existing tension pneumothorax puncture drainage device for crush injury patients does not have good adjusting and sealing protection effects is solved.

The present invention discloses a needle turning mechanism for an intelligent flat knitting machine, comprising a needle bed for the intelligent flat knitting machine, a substrate fixedly connected to one side of the needle bed, a needle turning cam adjustable on the upper part of the substrate, a plurality of needle grooves provided on the upper part of the needle bed, a hook needle slidably installed inside the needle groove; a main airway provided inside the substrate, a plurality of branch airways provided in a vertical direction of the main airway of the substrate, the plurality of branch airways respectively connected and connected with the main airway; a pneumatic rod slidably installed inside the branch airway, the hook needle fixedly installed at one end of the pneumatic rod away from the substrate. The air pressure of the branch airway is affected by the needle turning cam to perform pressurization or decompression operation, and the hook needle is affected by the negative pressure of the branch airway to perform retraction action. In the present invention, when the needle turning cam moves to drive the hook needle to move synchronously, the air pressure regulating device in the airway system will be triggered, so that the air pressure in the bronchial passage will change accordingly. When the hook needle completes the needle turning action, the hook needle is no longer constrained by the needle turning cam, and the air pressure in the bronchial passage sucks the pneumatic rod and the hook needle to retract quickly to the initial position.