339 results about "Urethra" patented technology

The invention relates to the technical field of intelligent urethral surgical instruments, and particularly discloses a urethral dilation path planning system integrating visual SLAM and force perception, which synchronously acquires image data of the internal environment of the urethra and contact force data between the instrument and tissues through an image sensor and a force sensing unit integrated at the front end of the dilation instrument; constructing a three-dimensional environment model in the urethra by utilizing a visual SLAM technology, and positioning the position of an instrument in real time; the force data and the three-dimensional model are fused to generate a dynamic force distribution diagram, and a safe expansion path is planned based on the distribution diagram and the current position of the instrument; dynamically adjusting the advancing direction and the expansion force of the instrument through a closed-loop control system to enable the instrument to move along a planned path; meanwhile, path deviation and force abnormity are detected in real time through a monitoring mechanism, and model updating and path re-planning are triggered.

The visual balloon type urethral dilation device comprises a urethral endoscope and a balloon dilator arranged in the urethral endoscope in a penetrating mode, and the urethral endoscope and the balloon dilator are matched with the urethra of the human body. The observation field of view of the urethra endoscope covers the dilation balloon of the balloon dilator, and visual dilation of the dilation balloon is achieved. The balloon dilator is provided with an independently-controlled fixing balloon, the fixing balloon and a balloon-shaped cavity in the urethra endoscope probe form a detachable fixing structure, the balloon dilator can penetrate through a middle shaft of the probe to move axially when fixing is removed, and the guiding function of the probe is achieved. The balloon dilator can be used in a disposable mode, and cross infection is prevented. And the probe is provided with a panoramic camera and a light supplementing lamp which are symmetrical, so that the visualization precision is improved. The urethra dilatation operation accuracy, safety and diagnosis and treatment efficiency are greatly improved from the aspects of high visualization, dilatation precision adjustment and the like.

The invention relates to the technical field of medical instruments, and provides a medical urinary surgery dilation drainage device which comprises a dredging rod, a balloon mechanism and a clamping mechanism, the end, away from an air bag, of a ureter is detachably connected with a main body of a Y-shaped handle, and the dredging rod is made of soft elastic materials and is arranged in a three-section mode; the balloon mechanism is used for expanding in the urethra to extrude the urethra, the end, fixedly connected with the dredging rod, of the balloon mechanism extends out of the end, away from the Y-shaped handle, of the ureter, the balloon mechanism and the dredging rod extend out of the Y-shaped handle at the two branches of the Y-shaped handle correspondingly, and when the dredging rod and the balloon mechanism slide relatively, the balloon mechanism can expand to expand the urethra. The ureter can be pushed to move by pushing the Y-shaped handle, the dredging rod and the balloon mechanism can be pulled out of the ureter, and by means of the technical scheme, the problem that in the prior art, when urinary tract drainage is conducted, the urethra can be damaged many times in the urinary tract expansion process is solved.

A catheter insertable into a urethra for installation in a user's bladder and urethra, the catheter comprising: a urine conduit comprising a first urine inlet and a urine outlet; and an inlet protector extending outwardly from the urine conduit from a position between the first urine inlet and the urine outlet, where the inlet protector functions to protect the urine inlet by separating it from contact with the bladder wall and thus keeping it out of contact with tissue.

The invention discloses a perineal pelvic floor color ultrasound examination system and a use method thereof, and relates to the technical field of color ultrasound examination.An image optimization module automatically adjusts gain, contrast, filtering and tissue harmonic imaging modes, and a three-dimensional imaging module is used for capturing changes of pelvic floor muscles in resting and moving states; the data analysis module combines the optimized ultrasonic image data and muscle dynamic information to intelligently evaluate the image quality, automatically calculates the bladder neck activity, the urethra rotation angle and the pelvic floor muscle thickness in a high-quality image, and provides an abnormal marking prompt; the user interaction module realizes visual display of ultrasonic images and analysis results, supports a doctor to input patient information, and improves operation convenience and diagnosis accuracy; the whole system optimizes the visualization ability of an anatomical structure, reduces artifact interference, improves the evaluation accuracy of pelvic floor dysfunction, provides more reliable data support for a personalized treatment scheme, and finally improves the clinical diagnosis and treatment efficiency.

The invention relates to the technical field of scientific demonstration teaching aids, in particular to a urethral catheterization complication simulation and emergency treatment training robot which comprises a dummy body and further comprises an elastic body and a water tank, the elastic body is arranged on one side of the interior of the dummy body, and a through hole is formed in the side wall of the dummy body and the face, attached to the elastic body, of the dummy body in a penetrating mode; the water tank is arranged on one side in the dummy body and is distributed front and back with the elastic body; a plurality of telescopic cavities are formed in the elastic body, the telescopic cavities are expanded by injecting water into the telescopic cavities so as to extrude the simulation prosthesis and the urethra, the diseases of urethra lumen distortion and walking deviation caused by bladder pressure increase can be simulated, and therefore the emergency treatment capacity of an operator for coping with the conditions can be trained.

The gynecological urethral catheterization pain management integrated workstation comprises a main control terminal, a self-adaptive urethral catheterization support with force feedback, a three-dimensional navigation module, a consumable management module and a complication early warning system. The main control terminal is connected with the self-adaptive urinary catheterization support, the three-dimensional navigation module, the consumable management module and the complication early warning system through a network. By means of the AR dynamic navigation and pressure feedback linkage function, the operation time is effectively shortened, the operation efficiency is improved, and the qualified rate of independent operation of new nurses is increased. In the aspect of pain management, the individualized NRS evaluation module evaluates the pain, timely intervention is performed, and the pain of the patient is reduced. The complication prevention and control effect is obvious, the damage to the urethra is reduced, and the urinary tract infection incidence rate is reduced. Meanwhile, complete tracing of consumables is achieved through the RFID consumable management and electronic medical record docking function, and data support is provided for continuous improvement of nursing quality.

The utility model relates to technical field of ureteral stent solves the technical problem that ureteral stent still needs special operation to take out, especially to a kind of ureteral stent of operation-free convenient to take out, including as the support base ureteral stent body, the ureteral stent body outside is provided with the limiting component for increasing its limiting capacity, the ureteral stent body bottom end is provided with the convenient component for taking out from the patient's body, the convenient component includes the fixed seat fixedly connected in the bottom of ureteral stent body both sides, the utility model discloses because the setting of convenient component, the process of ureteral stent body can be taken out from human body inside more convenient, and will not hurt patient urethra, so that patient oneself can also take out, need not suffer the harm of secondary operation, can also alleviate the burden of doctor simultaneously.

The application relates to the technical field of medical devices, and relates to an anti-leakage and anti-blocking urinary catheter and an application method thereof.The urinary catheter comprises a urinary catheter body, a first air bag and a second air bag, the urinary catheter body is provided with a liquid outlet cavity, the liquid outlet cavity is provided with a liquid inlet hole, a flushing and medicine injection pipe is connected to the outer wall of the urinary catheter body, the flushing and medicine injection pipe is connected with a sealing plug, the urinary catheter body is provided with an air inlet cavity, the outer wall of one side of the urinary catheter body is connected with an air inflation pipe, the air inflation pipe is connected with an air inflation interface, the first air bag is connected to the outer periphery of the urinary catheter body, the air inlet cavity is provided with a first air inlet hole, the second air bag is connected to the outer periphery of the urinary catheter body, the second air bag is located on the side, away from the liquid inlet hole, of the first air bag, and the air inlet cavity is provided with a second air inlet hole.The first air bag is inflated to abut against the inner wall of a bladder, so that the urinary catheter is prevented from sliding out, the second air bag is inflated to adhere to the inner wall of a urethra, so that the possibility of urine leakage is reduced, liquid medicine is introduced into the liquid outlet cavity and the bladder through the flushing and medicine injection pipe, so that the possibility of blood clots and sundries blocking the urinary catheter is reduced, and the reliability of the urinary catheter is improved.

The present invention relates to a medical instrument that is an examination instrument for measuring the internal pressure of the bladder that requires no externally connected catheter or externally connected cable. The technical problems addressed by the present invention are that existing conventional urodynamic bladder pressure measuring devices require externally connected catheters and cables, the non-closed-loop structures of existing wireless bladder pressure measuring devices involve the risk of the end heads entering the urethra and becoming dislodged, and the tubular structures uniform in diameter in existing wireless bladder pressure measuring devices fail to balance good flexibility and a large capacity. The present invention provides an annular wireless bladder pressure measuring instrument for measuring the internal pressure of the bladder that requires no externally connected catheter or externally connected cable, can be placed in the bladder, and features good flexibility and a large capacity. The present invention is of an annular structure and is made of an elastic material, so that the present invention can be flattened and elongated under external pressure and automatically springs back into an annular shape when no external pressure is applied. The annular structure comprises a folding section and a loading section; the folding section is relatively thin and can be bent and straightened easily, and the loading section is relatively thick and has a large internal space that can accommodate elements such as a power supply, a circuit board, and a pressure sensor. The bladder pressure measuring instrument can be wirelessly interconnected to other devices. Data from the pressure sensor can be wirelessly transmitted. The operation of the bladder pressure measuring instrument can be regulated wirelessly.

The invention relates to the field of traditional Chinese medicines and discloses a traditional Chinese medicine composition for treating damp-heat downward flow type balanitis and urinary tract infection as well as a preparation method and application of the traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from the following raw materials in parts by mass: 8 to 12 parts of rhizoma anemarrhenae, 8 to 12 parts of cortex phellodendri, 8 to 12 parts of honeysuckle flower, 13 to 17 parts of radix scrophulariae, 8 to 12 parts of rhizoma paridis, 4 to 6 parts of radix gentianae, 4 to 6 parts of radix angelicae, 5 to 7 parts of cicada slough, 25 to 35 parts of semen coicis, 5 to 7 parts of wintersweet flower, 8 to 12 parts of cortex moutan, 13 to 17 parts of radix paeoniae rubra, 8 to 12 parts of cyrtomium rhizome, 13 to 17 parts of herba patriniae, 8 to 12 parts of radix pulsatillae and 8 to 12 parts of liquorice root. The traditional Chinese medicine composition can effectively improve symptoms such as red and swollen glans penis, astringent and painful urination and scorching urethra, remarkably improve the treatment effective rate and effectively control infection, has good safety and low cost, and is suitable for long-term or repeated attack patients to use.

The invention discloses a double-elbow type seminal vesicle supporting indwelling catheter which comprises a base body straight pipe, a head bent pipe, a tail bent pipe and a wire, the head bent pipe is arranged at one end of the base body straight pipe and used for being automatically bent in a seminal vesicle during indwelling, and the tail bent pipe is arranged at the other end of the base body straight pipe. The tail bent pipe is arranged at the other end of the base straight pipe and used for being automatically bent in a prostate small bag in the indwelling period, a through wire penetrating channel is formed among the base straight pipe, the head bent pipe and the tail bent pipe, and the wire can extend out of the body along the urethra from the tail bent pipe in the indwelling period to be pulled. Through the collaborative design of double-end stable fixing and line body pulling simplification, the core problems that an existing seminal vesicle supporting device is unstable in supporting and difficult to pull out are thoroughly solved, a safer and more efficient medical instrument solution is provided for postoperative rehabilitation of a seminal vesicle endoscope operation, and the medical seminal vesicle supporting device has extremely high clinical popularization value.

The ureteral stent tube retracting device comprises a hollow outer tube and an inner tube, one end of the outer tube is provided with a first opening allowing a ureteral stent tube to be inserted, the other end of the outer tube is provided with a second opening, and the inner tube can extend into the outer tube from the second opening and is used for pushing the ureteral stent tube inserted into the first opening out of the first opening. The outer tube is inserted into the urethra, the ureteral stent tube is inserted into the first opening, and the outer tube can push the ureteral stent tube. And when the outer tube is continuously inserted into the urethra, the ureteral stent tube is pushed back into the bladder by the outer tube through the urethra. And the outer tube can ensure that the ureteral stent tube can be smoothly retracted into the bladder. Meanwhile, the inner tube is inserted into the outer tube from the second opening, the ureter support tube is pushed out of the first opening, and the outer tube and the inner tube can be pulled out together. The ureter stent tube and the outer tube can be easily separated through the inner tube, and the situation that the ureter stent tube is displaced due to unsuccessful retraction and unsuccessful separation is avoided.

The invention provides a drainage tube with a balloon, and relates to the technical field of medical instruments. The drainage tube with the balloon comprises a drainage tube and a containing hose, one end of the drainage tube is fixedly connected with an inlet head, and a large one-way valve is fixedly arranged at the position, away from the inlet head, of a tube body of the drainage tube. According to the drainage tube with the balloon, through the combination of the positioning air bag and the blocking annular air bag, it is ensured that the drainage tube is stably positioned, slipping and urine leakage are prevented when a patient moves, then through the arrangement of the supporting plate and the flow guide tube, even if urine leakage occurs, urine can be effectively guided out, meanwhile, the device introduces the continuous disinfection function, and the drainage tube is convenient to use. Disinfectant is sprayed to the annular non-woven fabric through the micro-flow tube, lasting disinfection of the urethral outlet is achieved, the infection risk is reduced, the daily use experience of a patient is improved through the design improvements, nursing operation is facilitated, and the urethral catheter is a great progress in clinical application.

Systems, devices, and methods are provided for the delivery of an implant into the prostatic urethra. Embodiments of delivery systems can include a delivery device for insertion into the patient and a proximal control device for use in controlling release of the implant from the delivery device.

The utility model discloses an anti-pulling catheter, and belongs to the technical field of medical instruments. Comprising an inner tube, an outer tube arranged outside the inner tube in a sleeving mode and an insertion body fixed to the head end of the inner tube and communicated with the inner tube, the outer tube and the inner tube are connected in a sealed mode to form a partition cavity, a balloon is arranged at the position, located at the partition cavity, of the outer tube, and a liquid injection tube is communicated with the interior of the balloon and penetrates out of the partition cavity; the inner tube comprises an end tube connected with an insertion body and a tail tube in the other direction, the end tube and the tail tube are in sealed communication connection through a connector structure, the connector structure is located in the balloon, and the connector structure is used for breaking connection between the end tube and the tail tube when being subjected to axial tension; when a user pulls the catheter accidentally, the end tube and the tail tube are disconnected at the connector structure, liquid in the balloon can enter the tail tube and be rapidly discharged from the tail tube, the balloon is shrunk, at the moment, the catheter cannot be left in the bladder or pulled out, and damage to the bladder and the urethra is prevented.

An implantable constriction device (10) for constricting a urethra (U) of a patient. The implantable constriction device (10) comprises at least one operable hydraulic constriction element (101a) configured to be inflated to constrict the urethra (U) for restricting the flow of urine therethrough, and a controller for controlling the inflation of the at least one operable hydraulic constriction element (101a).

The present disclosure provides a balloon-free, self-retainable and threadable urethral catheter that contains special external markings to guide insertion, and that could be indwelled easily and safely. Through various experiments and the structural configuration, the balloon-free, self-retainable and threadable urethral catheter of the present disclosure can make insertion of a mushroom-tip urethral catheter easily performed by primary care medical professionals, instead of previously only been done by senior urologists with a semi-rigid stainless-steel stylet. This disclosure leads to better urine drainage and reduces irritation to the posterior wall of the bladder. With the special design of this disclosure, minor urethral structure can be overcome to insert this catheter safely.

The utility model relates to a urethra traction device, and belongs to the technical field of medical instrument structures. The device comprises a traction frame and a fixer, and is characterized in that the traction frame is formed by sequentially and vertically connecting a first telescopic rod, a second telescopic rod and a third telescopic rod, a first pulley is mounted at one end of the first telescopic rod, the other end of the first telescopic rod is vertically connected with one end of the second telescopic rod, and the other end of the second telescopic rod is vertically connected with the third telescopic rod; the top end of the third telescopic rod is provided with a second pulley, the third telescopic rod is fixedly connected with a fixator through a bridge plate, and the side face of the fixator is provided with a third pulley. The postoperative traction device is scientific and reasonable in structure and easy to operate, can provide continuous and stable traction force for the indwelling catheter needing to be pulled after the surgery, achieves the effects of compression hemostasis and infection prevention, can adjust the length of the telescopic rod, is suitable for patients of various body types, can keep warm for the patients and protect privacy, and solves the problems that no available equipment is available for traction after the urinary surgery, and the traction cost is low. And the discomfort of the patient is increased by using gauze.

The invention provides a prostate cyst excision device based on ultrasonic guidance, and belongs to the technical field of medical instruments. Comprising a mounting plate mounted on an operating bed, a first positioning plate is fixedly connected to the top of the operating bed, a second positioning plate is slidably connected to the top of the first positioning plate, and a third positioning plate is slidably connected to one side of the second positioning plate; the ultrasonic probe and the resectoscope are installed on the first positioning plate and the third positioning plate respectively. By arranging the positioning assembly, the efficiency of medical staff for placing the ultrasonic probe and the resectoscope into the body of a patient can be improved, the positioning assembly can open a wide operation channel in the rectum of the patient, the convenience of placing the ultrasonic probe into the body of the patient is improved, the operation view is wider, and the operation efficiency is improved. And the positioning assembly can clamp and fix the glans penis of the patient, so that the efficiency of placing the resectoscope into the urethra of the patient is further improved.

The invention relates to the technical field of medical instruments, and particularly discloses a urethra dosing device which comprises an external reserving part, a tube body and a tube head which are connected in sequence, and further comprises an external lubricating mechanism, the external lubricating mechanism is slidably mounted on the outer side of the pipe body and can lubricate the outer wall of the pipe body; an internal lubrication mechanism; the internal lubricating mechanism is mounted on the external part, the internal lubricating mechanism can lubricate the urethra of the patient, the external lubricating mechanism can uniformly lubricate the outer wall of the catheter body, the catheter body entering smoothness is improved, the pain of the patient is reduced, and the external lubricating mechanism can lubricate the urethra of the patient; furthermore, the pain of the patient in the administration process can be further relieved.

The utility model relates to a kind of self-urination metal catheter, it includes the catheter body woven by metal wire, the distal end of catheter body is provided with bending anti-off structure to prevent the distal end of catheter body from being outwardly off from bladder in indwelling state, the proximal end of catheter body is close to external sphincter after passing through prostate area, the proximal end of catheter body is connected with fixed anchor placed in urethra by connecting line, fixed anchor is located at the outside of external sphincter and cannot slide to prostate area inwardly by the block of external sphincter, one end of fixed anchor is connected with traction rope, the other end of traction rope is stretched to patient's outside through urethra.The advantages are that new structure and material are used, infection risk can be effectively reduced, catheter indwelling time is prolonged, and stimulation to urethra or other urinary tissues is reduced;Catheter indwelling period does not need to use urine bag, and patient can self-control urination, improve life quality;Catheter body woven by metal wire is moderately soft and hard, and has good self-adaptability.

Aspects of the present invention relate to a delivery device for locating an expandable implant for treating BPH within the prostatic urethra of a patient. The delivery device comprises an inner tube and an outer sleeve movable relative to the inner tube between a stored position and a deployed position. The outer sleeve surrounds the inner tube to define an annulus therebetween and the expandable implant is retained within the annulus when the outer sleeve is in the stored position.

The invention provides urethral administration equipment, and belongs to the field of urinary surgery equipment.The urethral administration equipment mainly comprises a cleaning assembly, the cleaning assembly comprises a cleaning bottle, a cleaning hole, a cleaning column and a rotating sleeve, the cleaning bottle is used for providing cleaning liquid, the cleaning column is fixedly connected with the cleaning bottle, the cleaning column is provided with the cleaning hole, and the rotating sleeve is rotationally connected with the cleaning column; the collecting bottle is fixedly connected with the cleaning column, the sliding column is driven to move through movement of the push rod, so that cleaning liquid in the cleaning bottle enters the rotating sleeve, and the cleaning liquid flows out of the cleaning hole due to rotation of the rotating sleeve and enters the collecting bottle through the first collecting pipe, so that the effects of cleaning and collecting the cleaning liquid are achieved; then the push handle is pushed to enable liquid medicine in the medicine feeding bottle to enter the medicine feeding pipe, and due to the fact that the medicine feeding column is provided with the medicine feeding holes, the liquid medicine achieves the medical effect on the affected part through the medicine feeding holes. According to the invention, the affected part is cleaned, and the treatment effect is improved.

The application discloses a catheter structure capable of controlling the releasing position of medicine liquid and belongs to the technical field of catheters. The catheter structure comprises a catheter main body, a plurality of medicine-feeding air bags are arranged on the surface of the catheter main body, a plurality of medicine-feeding holes are arranged on the side of the medicine-feeding air bags facing the outside of the human body, a plurality of medicine-feeding channels matched with the number of the medicine-feeding air bags are arranged in the catheter, one end of the medicine-feeding channels is arranged in the end of the catheter main body in a flush manner and is communicated with the outside, the depth of the other end of the medicine-feeding channels in the catheter main body is respectively corresponding to the position of the medicine-feeding air bags, and the other end is respectively communicated with the medicine-feeding air bags, a medicine-feeding hose is arranged at one end of the medicine-feeding channel on the end of the catheter main body, and one end of the medicine-feeding hose is connected with the end of the medicine-feeding channel. The technical scheme is used to solve the problem that it is difficult to realize accurate medicine feeding in the urethra when medicine liquid is injected into the urethra through the catheter in the prior art.

The urethra minimally invasive knife comprises an insertion rod body, a cutting blade and an injection device, a containing groove is formed in one side of the insertion rod body in the length direction of the insertion rod body, one end of the insertion rod body is a closed end, the other end of the insertion rod body is an open end, the cutting blade is rotationally contained in the containing groove, and the injection device is arranged in the containing groove. The containing groove is communicated with an inner cavity of the insertion rod body, and the injection device is connected with the open end of the insertion rod body, so that liquid is injected into the insertion rod body through the injection device, and therefore the cutting blade is driven to rotate and be exposed out of the opening portion of the containing groove. The inserting rod body can carry the cutting blade to be inserted into the narrow pet urethra more smoothly, then liquid is injected into the inserting rod body through the injection device so that the cutting blade can be driven to rotate and be exposed out of the opening of the containing groove, then the narrow blocked part of the pet urethra can be cut through an operation, the structure is simple, operation is easy, and practicability is high. And the surgical cutting difficulty is effectively simplified.

The urinary catheterization device for the pediatric urology department comprises pocket cloth, the two end sides of the pocket cloth are connected to form an underpants structure to be fixed below the waist, a containing cavity is formed in the position, corresponding to the private part, of the pocket cloth, and a protective cover is connected to the position, corresponding to the containing cavity, of the outer side of the pocket cloth; the input end of the catheter extends into the human body through the urethra; the input end of the connecting catheter is communicated with the output end of the catheter, the output end of the connecting catheter extends out through a via hole in the end face of the protective cover, and a limiting baffle is arranged on the connecting catheter and matched with the inner wall of the protective cover; and the valve body is positioned in the connecting catheter and is directly communicated with the output end of the catheter. The two end sides of the pocket cloth are connected to form the underpants structure, the legs do not need to make corresponding actions when the underpants are put on and taken off, discomfort caused by touching the urethral catheterization device is reduced, the corresponding length of the urethral catheter can be cut according to different patients, the urethral catheter located on the outer side of the urethra does not need to be kept too long, and influences on behavior actions are avoided.

The application is a urethral catheter with conductive structure, which comprises a flexible catheter, the flexible catheter enters the human bladder through the urethra, the outer surface of the flexible catheter is partially provided with a conductive structure, the conductive structure is arranged at the prostate part of the outer distal end of the flexible catheter to assist freezing and electric ablation, the flexible catheter is internally provided with a liquid guide channel and a liquid guide opening is arranged at the distal end of the flexible catheter, the urethral catheter has a temperature protection effect, a temperature protection channel is divided into a liquid inlet channel and a liquid outlet channel by an inner sleeve and an outer sleeve, a surface electrode on the outer wall of the inner sleeve is connected to the circuit of a host, and the conductive structure only conducts electricity and does not have an electrochemical reaction. The application is used for cooperating to complete electric effect or electric ablation diagnosis and treatment effect and freezing, radio frequency and microwave and other thermal ablation, can avoid cold and hot damage or electric damage to the urethra or the prostate, has a temperature adjusting function and a simple structure and is easy to adjust and control.

The utility model relates to a variable-color pressure-measuring catheterization device, and relates to the technical field of pressure-measuring catheterization devices.The variable-color pressure-measuring catheterization device comprises a catheter and a pressure-measuring tube, one end of the catheter is connected with a urine bag, and a first communicating valve is arranged at the end, close to the urine bag, of the catheter; the end, close to the urethra, of the urethral catheter is communicated with a first connecting pipe and a second connecting pipe, the first connecting pipe is used for inputting normal saline into the urethral catheter, the second connecting pipe is used for being communicated with the pressure measuring pipe, the first connecting pipe is provided with a second communicating valve, and the second connecting pipe is provided with a second communicating valve. A third communication valve is arranged at the end, away from the end connected with the second connecting pipe, of the pressure measuring pipe, and a connecting assembly connected with the pressure measuring pipe is arranged on the second connecting pipe. The pressure measuring device has the advantages that the pressure of a patient can be conveniently measured, the discomfort of the patient caused by the pressure measuring device is reduced, and meanwhile the pressure measuring device can be conveniently detached.