15 results about "Decompression operation" patented technology

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 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 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 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 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.