39 results about "Replogle tube" patented technology

The invention discloses a venturi tube with an adjustable throat channel for a current limiting test. The venturi tube comprises a fluid pipe, annular groove is formed in inner wall, a lantern ring matched with the annular groove is embedded in the annular groove, a cavity ring is clamped between the annular groove and the lantern ring, and the section size of the cavity ring is larger than that of the annular groove. A first radial through hole and a second radial through hole which correspond to each other in position are formed in the pipe wall of the fluid pipe, the ring wall of the lantern ring and the ring wall of the cavity ring; the first radial through hole only penetrates through the ring wall on one side of the cavity ring; the second radial through hole penetrates through the ring walls on the two sides of the cavity ring; a first sleeve and a second sleeve are arranged in the first radial through hole and the second radial through hole, the outer wall of the second sleeveis provided with scales or connected with a displacement sensor, the connecting end between the second sleeve and the annular wall of the cavity ring is connected in a sealed mode, and sealing plugs are arranged between the first sleeve and the pipe wall of the fluid pipe and between the second sleeve and the pipe wall of the fluid pipe. The venturi tube is simple in structure and convenient to measure, and the size of the throat tube of the venturi tube in the tube body can be conveniently adjusted at any time.

The invention discloses a nasopharynx flushing device for head radiotherapy nursing. The device specifically comprises a medicine storage tube, a liquid medicine box, a movable column, an adjusting tube and an adjusting reed, an adjusting pipe is arranged in the middle of one end of the medicine storage pipe, a connecting part is fixed at the top end of the medicine storage pipe, a medicine conveying pipe is mounted at one end, far from the medicine storage pipe, of the adjusting pipe, a spray head is arranged at the top end of the medicine conveying pipe, a liquid medicine box is mounted at the top end of the connecting part, a medicine inlet valve is arranged in the middle of the bottom of the connecting part, a hand shank is installed at the end, away from the adjusting pipe, of the bottom of the medicine storage pipe, and a handheld groove is formed in the hand shank. According to the nasopharyngeal flushing device for head radiotherapy nursing, the movable column, a handle and thehand shank are arranged, when in use, the movable column can be pushed into the medicine storage tube by only tightly holding the handle and the hand shank, liquid medicine flows out, use is quite convenient, and compared with direct bottle pinching or air bag pinching, the flushing flow speed is more convenient to control, and the use comfort degree is higher.

The invention discloses a medical clinical obstetrics and gynecology drainage tube angle adjusting device, relates to the technical field of drainage adjusting devices, and solves the problems that when an existing drainage tube adjusting device is used, the heights of the two sides cannot be independently adjusted, when the use height of any side is changed, the use height of the other side is changed in a linkage mode, and adjustment is troublesome. The medical clinical obstetrics and gynecology drainage tube angle adjusting device comprises a mounting base; and a single adjusting base is fixedly connected to the side face of a main adjusting base. When the device is used, a single-side adjusting mechanism can independently adjust the use height of one side of a pipe body flow guide plate, the use height of the pipe body flow guide plate cannot be affected, use is flexible, operation is convenient, the pipe body flow guide plate can keep the use angle to vertically ascend and descend to change the use height through a synchronous adjusting rod, flexibility is high, and the use requirements of different angles of a drainage tube can be met.

Present invention is a tip adjustable stylet to be inserted into a tubular structure and to be pushed out its distal aperture to form curvatures. The device comprises a bendable member, a retracting string, an intersegment and a control handle. The bendable member has a control ring at its proximal end and a tip at its distal end. An operator can push the bendable member distally from the proximal end along the lumen of the tubular structure. Predetermined extensibility and length of the retracing string limit distance of the bendable member being pushed and hold the distal portion of the bendable member backward when the bendable member is been pushed forward outside of the tubular structure's distal aperture, thereby to bend the distal portion of the bendable member into the curves therefore to move its tip to a target location, such as patient's vocal cords opening.

The invention discloses an inflorescence-shaped electrophysiological mapping catheter device. The inflorescence-shaped electrophysiological mapping catheter device comprises a catheter, a handle device, electrodes and a connector, wherein the catheter comprises an adjusting tube, a plurality of first branch tubes and a plurality of second branch tubes, one ends of the first branch tubes are connected with the adjusting tube, the other ends of the first branch tubes are distributed in a staggered mode and are in a divergent shape, and each first branch tube is provided with one electrode; one ends of the second branch tubes are connected with the adjusting tube, the other ends of the second branch tubes are distributed in a staggered mode and are in a divergent shape, the included angle between each second branch tube and the adjusting tube is smaller than that between each first branch tube and the adjusting tube, each second branch tube is provided with one electrode, and the handle device can adjust the bending angle of the far end of the adjusting tube. The connector is arranged on the handle device and electrically connected with the electrodes. The inflorescence-shaped electrophysiological mapping catheter device can adapt to a heart cavity with an irregular three-dimensional space, and can record electrophysiological signals of a large number of wrinkles or loose gulliesexisting on the inner surface of the heart cavity.

The invention relates to the technical field of respiratory department sputum suction nursing equipment, and particularly discloses a respiratory department nursing sputum suction device which comprises a bottom plate and an electric push rod, the bottom plate is provided with a sleeve, the sleeve is provided with a positioning bolt, the sleeve is provided with a sliding rod, the sliding rod is provided with a positioning hole, the positioning bolt is in sliding connection with the positioning hole, and the sliding rod is provided with a first supporting plate. The first supporting plate is provided with a connecting structure, the connecting structure is provided with a hydrops bottle, the hydrops bottle is provided with a second cap, the second cap is provided with an air outlet pipe anda connecting pipe, the air outlet pipe is provided with a first one-way valve, the connecting pipe is provided with a second one-way valve, the connecting pipe is provided with a needle tube, and theneedle tube is provided with a first cap provided with an electric push rod, the electric push rod is provided with a first piston, the needle tube is provided with a rubber tube, and a third one-wayvalve, an adjusting tube and a suction tube are arranged on the rubber tube. According to the sputum suction device, sputum can be scattered through the suction pipe, the volume is reduced, suction of the suction pipe is facilitated, the suction pipe is prevented from being blocked by the sputum, meanwhile, the suction pipe is conveniently driven to suck the sputum at different positions, and thesuction effect is improved.

The invention discloses a Venturi tube with a variable throat tube section size. The venturi tube comprises a rigid outer tube, a first-layer tubular cavity and a second-layer tubular cavity are formed in the rigid outer tube, a first-layer tubular spacer bush is arranged between the first-layer tubular cavity and the second-layer tubular cavity, a second-layer tubular spacer bush is arranged on the outer ring side of the second-layer tubular cavity, the first-layer tubular spacer bush and the second-layer tubular spacer bush are each divided into an elastic middle section and two rigid side sections which are connected with each other, the first-layer tubular cavity is filled with a magnetofluid liquid, the second-layer tubular cavity is filled with an electrorheological fluid, and two isolated conductive layers are attached to the two sides of the inner surface of the second layer tubular cavity. And conductive layers are connected with electrodes, a plurality of sets of electromagnetic coils are further arranged outside a rigid outer pipe, and the multiple sets of electromagnetic coils and the wires are connected with a controller. The Venturi tube has the characteristics that the section size of the throat tube of the venturi tube in the tube body can be adjusted at any time for flow limiting according to the actual flow limiting requirement of the throat tube part of the venturi tube, and so on.

The invention relates to a multifunctional stomach irrigator, which is characterized in that a design of a Y-shaped joint and a liquid pouring funnel is adopted, and a suction function and a gastric lavage function are combined. One-way valves different in directions are respectively arranged at the front end and the rear end of an air bag, and thus, persistent pressurization can be realized, and backflow can be avoided; through three specially arranged regulating tubes, a proper pressure range can be reached; by adopting a drainage bag with a drawing-type outlet, liquid can conveniently outflows. The multifunctional stomach irrigator has the effects that the liquid backflow cannot be easily caused during operation, and negative pressure in a negative-pressure system can be continuously increased to enhance suction; through a special pressure control device, the negative pressure can be controlled to be within a proper range; meanwhile, the multifunctional stomach irrigator is simple in operation and low in manufacturing cost, has good economic benefit, and is energy-saving and free of noise, not limited by environmental conditions, used in a one-to-one manner, capable of avoiding cross infection, and is safe and reliable.

The invention relates to a novel urinary surgical flushing device and method. The device comprises a urinary tract. The urinary tract comprises a tract body. The tract body is an elastic tube body. A water inlet and a water outlet are formed in the side wall of the tail end of the tract body. A waterway located in the side wall of the tract body is arranged between the water inlet and the water outlet. The head end of the tract body is provided with a liquid outlet. A flange is arranged at the liquid outlet. A hard plate is arranged on the inner side of the flange. The inner end of the hard plate is attached to the end, close to the axis of the tract body, of the flange. Warm water is injected to the waterway through a water inlet valve, a water inlet valve and a water outlet valve are adjusted, the flow of the water inlet is larger than that of the water outlet, the tract wall of the tract body in the length direction under the hydraulic pressure effect is tensioned, and the length and the diameter of the tract body can be changed and regulated, so that length and diameter regulation is performed as needed, use is more convenient, the injected warm water has the heat preservation effect, flushing fluid can be kept at the certain temperature, and the phenomenon that due to the fact that the temperature is not proper, and a patient feels discomfortable is avoided.

The invention discloses a cannula puncture device for laparoscopic surgery. The cannula puncture device comprises a puncture cannula and a puncture needle arranged in the puncture cannula in a penetrating mode; a cannula head cover is arranged at the top of the puncture cannula, and a positioning groove is formed in the cannula head cover; a contact is arranged at the top of the puncture needle, and a positioning rod is arranged at the bottom of the contact; the contact is connected with the cannula head cover through corresponding insertion of the positioning rod and the positioning groove; and an internal thread is arranged on the inner wall of the open end of the puncture cannula and is in threaded rotating connection with the outer wall of an adjusting pipe to adjust the inner diameterof the puncture cannula. According to the cannula puncture device, the adjusting pipe connected into the puncture cannula is adopted, the adjusting pipes with different inner diameters can be freelyrotated to be connected with the puncture cannula according to the aperture of skin needing to be punctured in an actual surgery, on the basis that the puncture cannula is not replaced, the puncture effect of the puncture needles with different diameters is achieved, and the operation burden of the laparoscopic surgery is greatly reduced.

The invention discloses a female vagina washing device and relates to a medical instrument. The device comprises a liquid storage bag, a drainage tube and a washing head, and the liquid storage bag is connected with the washing head through the drainage tube; the drainage tube comprises a first drainage tube which is connected with the liquid storage bag and a second drainage tube which is connected with the washing head, a transition cavity is formed between the first drainage tube and the second drainage tube, stop slide valves are both arranged on the first drainage tube and the second drainage tube, and a voltage stabilizing tube which is communicated with atmosphere is arranged on the top of the transition cavity; the device further comprises a liquid level regulating tube, the upper end of the liquid level regulating tube is communicated with the liquid storage bag, and a water suction tube is connected to the lower end of the liquid level regulating tube; the water suction tube extends into the bottom of the transition cavity, a piston which can slide up and down is arranged in the liquid level regulating tube, and a one-way valve is arranged on the piston. According to the female vagina washing device, the height of the liquid column in the transition cavity is changed so that the water pressure of the washing head can be changed, accordingly, the height of the liquid storage bag is not needed to be changed, and the liquid storage bag can be directly suspended on a rack.

The invention discloses a eustachian tube examination and treatment device which comprises an adsorption mechanism, the adsorption mechanism comprises a body, a first cavity is formed in the body, a negative pressure plate is connected in the first cavity in a sealed and sliding mode, a threaded rod is fixedly connected to the upper end of the negative pressure plate, and the threaded rod is sleeved with a threaded sleeve in a threaded mode; the upper end of the threaded sleeve is fixedly connected with the inner side wall of the first cavity, the main body is rotationally sleeved with a rotating ring, the rotating ring and the threaded sleeve are in transmission connection through a gear set, the lower end of the body is fixedly connected with a pipe body, and the upper end of the pipe body fixedly penetrates through the body and communicates with the first cavity. The pipe body is sleeved with an adjusting pipe, and the upper end of the adjusting pipe is fixedly connected with the body. By means of the eustachian tube, blockages in the eustachian tube can be conveniently cleaned, medicine applying is easy, repeated tube insertion is not needed, the infection risk is reduced, and safety is high.

The invention relates to the technical field of urinary surgery catheters, and particularly relates to a urinary surgery clinical catheter assembly device. The catheter assembly device is composed of a main fixing tube and an adjusting tube, wherein the tube body diameter of the main fixing tube is the same as that of the adjusting tube, the corresponding ends of the main fixing tube and the adjusting tube are connected through a movable adjusting part, the movable adjusting part is composed of a fixing base and a spherical tube, the spherical tube is embedded in a through groove in the inner side of the fixing base, a connecting tube is led out of the side, facing the adjusting tube, of the spherical tube, and the connecting tube is in butt joint with the adjusting tube. The problems that the angle adjusting range of a catheter is small, and use limitation exists are solved. By means of the catheter assembly, the integral catheter is optimized into the split design, the guiding direction of the catheter can be obviously enlarged, directional adjustment can be achieved according to actual needs, the use range is obviously enlarged, the catheter is inserted very conveniently, and convenience can be provided for manual adjustment.

The invention discloses an adjustable infusion device based on children, relates to the field of medical instruments, and aims to solve problems that when an existing infusion apparatus is used for children, the children are vigorous, adhesive tape is easy to tear off, and a needle head is easy to take out, which casing that infusion fails. The adjustable infusion device comprises a protective shell, wherein a front surface of the protection shell is fixedly connected with an adjusting tube, two adjusting blocks are fixedly connected to a right end of the adjusting pipe, the outer wall of theadjusting pipe is sleeved with a threaded sleeve in a threaded mode, the sides, away from each other, of the two adjusting blocks abut against the threaded sleeve, an infusion pipe is movably arrangedin the adjusting pipe in a sleeved mode, and an infusion needle is fixedly connected to the left end of the infusion pipe; a right end of the infusion tube is fixedly sleeved with a drip cup, and thetop of the drip cup is fixedly sleeved with a bottle stopper puncture device. According to the adjustable infusion device, a needle head is effectively prevented from being moved and taken out by a child during infusion, and meanwhile, the acupuncture part is shielded, so the psychological pressure of the child during infusion is reduced.

The invention discloses a built-in laryngeal mask catheter and laryngeal mask combined ventilation device for general anesthesia. The combined ventilation device comprises a laryngeal mask catheter, atelescopic device and a laryngeal mask, wherein the telescopic device is arranged inside the laryngeal mask catheter and is used for adjusting the length of a pipeline; the laryngeal mask is arrangedat one end of the laryngeal mask catheter and is used for sealing a throat; a semicircular boss is arranged on the upper surface of the laryngeal mask; a joint is arranged at one end of the telescopic device; and an inflation and deflation device is connected to the laryngeal mask and the telescopic device. According to the invention, a tracheal catheter and the laryngeal mask catheter are overlapped, so that repeated intubation operation is avoided; and meanwhile, the laryngeal mask at one end of the laryngeal mask catheter and a tracheal sealing capsule on the tracheal catheter are used fordouble sealing, so that sealing performance is improved, air leakage is avoided, and safe operation is ensured.

The invention discloses an ultrasonic puncture instrument capable of rotationally sampling, which comprises a needle tube assembly and an adjusting assembly used for adjusting the position of a needle tube; the needle tube assembly comprises an outer sheath tube and an inner rotating needle; the inner rotating needle is arranged in the outer sheath tube; the adjusting assembly comprises a position adjusting structure and a power assembly used for driving the needle tube assembly to rotate; the power assembly is arranged in the position adjusting structure and connected with the position adjusting structure; the inner rotating needle is connected with the power structure; the position adjusting structure comprises a front-end adjusting tube and a middle adjusting tube; the outer sheath tube is connected with the front-end adjusting tube; and the inner rotating needle is connected with the middle adjusting tube. The design scheme has the beneficial effects that (1) the outer sheath tube and the inner rotating needle are combined for sampling, so that the injury to other organs during an operation is reduced; (2) the inner rotating needle can rotate, so that a target area can be accurately sampled.

A patient tube securement apparatus is disclosed that may be used for oral or nasal intubation of a patient.The apparatus may comprise an endotracheal tube securement apparatus for securing an endotracheal tube to a patient, the apparatus comprising a dermal patch arranged to be positioned on the skin of the patient, and at least one tube holder on the dermal patch.The apparatus may comprise a patient tube securement apparatus for securing a patient tube to a patient, the apparatus comprising a dermal patch arranged to be positioned on the skin of the patient, and at least one tube holder on the dermal patch.Examples are provided in which the tube holder is adjustably mounted on the dermal patch such that the position of the tube holder on the dermal patch can be adjusted without removing the dermal patch from the skin of the patient.

A bronchoscope interventional therapy device comprises a bronchoscope, a bottom pipe, a height adjusting pipe, a rotating frame, a U-shaped clamping plate, an upper tooth bracket, a lower tooth bracket, a waste liquid box, a lavage liquid box and a clamping assembly. And the upper tooth bracket, the lower tooth bracket and the clamping assembly are respectively arranged at the upper end of the rotating stand. And an intubation tube is arranged on the bronchoscope. The intubation tube is slidably arranged at the upper end of the rotating frame. The rotating frame is arranged at the upper end of the height adjusting pipe. And the height adjusting pipe is arranged in the bottom pipe. And the bottom pipe is arranged above the U-shaped clamping plate. And a tooth roller assembly is arranged at the upper end of the rotating stand and is respectively meshed with the upper tooth bracket and the lower tooth bracket. An L-shaped supporting pipe is arranged at the upper end of the height adjusting pipe, and a transverse adjusting pipe is arranged in the L-shaped supporting pipe. A rotating pipe is arranged at the tail end of the transverse adjusting pipe. And the bronchoscope is communicated with the lavage fluid box. According to the invention, upper and lower teeth can be supported, so that an oral cavity keeps a required opening degree; and delay of diagnosis and treatment due to cannula displacement can be prevented.

The invention belongs to the technical field of left atrial appendage occlusion devices, in particular to a delivery system of a left atrial appendage occlusion device, comprising a delivery sheath tube, a dilator, and a regulating tube arranged on the outer surface of the delivery sheath tube. The outer surface of the regulating tube is integrally formed with Adjustment seat, the outer surface of the adjustment seat is provided with several limit grooves, the inner wall of the limit groove is integrally formed with a connecting block, the adjustment pipe is fixedly connected with a trapezoidal limit block through the connecting block, and the outer surface of the adjustment pipe is screwed with a fixed The outer surface of the fixing ring is provided with anti-skid stripes. At the same time, several trapezoidal limit blocks are elastically connected to the inner wall of the limit groove inside the adjustment tube through several connecting blocks, and are screwed on the outer surface of the adjustment tube. The fixing ring enables the fixing ring to be screwed together on the outer surface of the adjusting tube, so that the fixing ring can tightly squeeze and fix the delivery sheath inside the adjusting tube by squeezing the trapezoidal limit block, so that the fixing ring and the trapezoidal limiting block can be tightly squeezed and fixed. The bit block facilitates securing the delivery sheath.

The invention discloses a hysteroscope endometrial tissue curettage and suction integrated device which comprises a regulation and control assembly, a tube cavity assembly, a fixing clamping sleeve, an inflation and suction pump, a fixing tube, a suction and adjustment tube, an outer tube sleeve, an air bag sleeve and a suction soft head. Secondly, the inflation and aspiration pump can inflate the outer pipe sleeve and the air bag sleeve, the air bag sleeve can expand leftwards, conversely, when the inflation and aspiration pump sucks air, the air bag sleeve can contract rightwards, and in conclusion, by means of the telescopic effect of the air bag sleeve, the air bag sleeve can stretch into the uterine cavity of a patient; finally, the suction adjusting tube can slide left and right along the interior of a fixing tube in the adjusting and controlling assembly, position adjustment is achieved, in addition, the suction adjusting tube can be connected with an external negative pressure device such as a negative pressure drainage bottle, and the purpose that hydrops in the uterine cavity of a patient is drained outwards from the suction soft head through the suction adjusting tube is achieved.

A tracheotomy catheter, belonging to the field of medical devices, comprising a hollow tube body, one end of the tube body is connected to a tube cap for opening or closing the port of the tube body through rotation, and the tube cap includes a cap body for blocking The blocked part of the pipe body, the blocked part is provided with holes A , a matching part is set in the position corresponding to the blocking part in the body of the tube, and a hole is set on the matching part B ; After the cap is rotated at a certain angle, the hole A with hole B They can overlap each other, so as to ensure the communication between the inside of the tube and the outside air. This design has a simple structure, which solves the problem that the patient cannot breathe completely through the nose when he just recovers, and needs the help of a tracheostomy tube to increase the inhalation of air, and the patient can adjust the air volume of the tube according to his needs . The operation of opening or closing the tube body is also very simple.

The invention discloses a novel urinary catheterization device for urinary surgery, and belongs to the technical field of medical instruments. Scale marks and a diversion trench are arranged on the surface of the catheter, a through hole is formed in the bottom of the diversion trench, and one end of the through hole is communicated with a catheterization hole; one end of the catheter is in threaded connection with a handle tube, and the surface of the handle tube is fixedly sleeved with an anti-slip ring; a connecting hole is formed in one end of the handle tube, and the inner wall of the connecting hole is connected with an adjusting pipe through threads. The novel urinary catheterization device for the urinary surgery is provided with the limiting pad and the scale marks which can be adjusted in position; the insertion length of the catheter can be quickly and accurately adjusted, so that the use convenience of the catheterization device is greatly improved; the urethral catheter, the handle tube, the liquid suction tube and the limiting pad have the function of manual separation and combination; the urinary catheterization device is convenient to disassemble, clean and disinfect, the cleaning and disinfecting time is greatly shortened, and the utilization efficiency of the urinary catheterization device is improved.

A patient tube securement apparatus is disclosed that may be used for oral or nasal intubation of a patient.The apparatus may comprise an endotracheal tube securement apparatus for securing an endotracheal tube to a patient, the apparatus comprising a dermal patch arranged to be positioned on the skin of the patient, and at least one tube holder on the dermal patch.The apparatus may comprise a patient tube securement apparatus for securing a patient tube to a patient, the apparatus comprising a dermal patch arranged to be positioned on the skin of the patient, and at least one tube holder on the dermal patch.Examples are provided in which the tube holder is adjustably mounted on the dermal patch such that the position of the tube holder on the dermal patch can be adjusted without removing the dermal patch from the skin of the patient.

The invention relates to a tire-absorbing midwifery device, comprising: a handle tube provided with two handles, a suction cup connected with a negative pressure suction hole connected to the inner hole of the handle tube and connected to the lower end of the handle tube, and a rotating shaft arranged outside the suction cup The auxiliary device is a negative pressure regulating device located at the upper end of the handle pipe. When the described tire-suction midwifery device is in use, the inner hole of the regulating tube communicates with the negative pressure device; during childbirth, the suction cup sucks the head of the fetus under the action of negative pressure for midwifery; by rotating the negative pressure adjustment device, it can Adjust the negative pressure to deliver the fetus with the minimum suction; pull the handle, the handle tube drives the suction cup to rotate, and the upper and lower ends of the suction cup rotate synchronously through the rotation auxiliary device, so that the fetus is delivered smoothly and the fetus is not easily damaged.

The invention belongs to the technical field of stomach stoma tubes, and particularly relates to a multifunctional stomach stoma tube which comprises a tube opening fixing piece, a fixing band, a stomach drainage tube, a jejunum nutrition tube and a pressure adjusting tube, and is characterized in that the fixing band is fixed on the tube opening fixing piece, an opening and closing port of the fixing band is fixedly connected with an insertion opening, and the insertion opening and the other end of the fixing band are connected in an inserted mode; a concave hole is formed in the end surface of the fixing band; a knob matched with the concave hole is in threaded connection with the socket; a stoma tube body is fixedly connected in the tube opening fixing piece in a penetrating mode, a mushroom head is arranged at the tail end of the stoma tube body, and the stomach drainage tube, the jejunum nutrition tube and the pressure adjusting tube are all arranged in the stoma tube body. The stomach pressure adjusting device has the advantages that the stomach pressure can be effectively adjusted during stomach drainage operation, so that the stomach pressure adjusting device is suitable for the body of a patient, meanwhile, gastrointestinal tube operation can be synchronously carried out, and the stomach pressure adjusting device has good multifunctionality.

The invention relates to a novel vertebral bone tissue biopsy instrument which comprises a cutting assembly, an adjusting assembly and an outer tube assembly which are sequentially arranged from inside to outside in a sleeving mode, wherein the cutting assembly comprises a cutting piece and a handle, the near end of the cutting piece is fixedly connected with the handle, the adjusting assembly comprises an adjusting tube and an adjusting handle, the near end of the adjusting tube is fixedly connected with the adjusting tube handle, the adjusting tube can slide in the axial direction of the cutting piece by operating the adjusting tube handle to achieve recovery and release of the far end part of the cutting piece, the outer tube assembly comprises an outer tube and an outer tube handle, the near end of the outer tube is fixedly connected with the outer tube handle, and the outer tube can move axially with the adjusting tube and the cutting piece by operating the outer tube handle.

The invention provides a male urine sampler and its use and installation method, belonging to the field of medical devices. It solves the problem of troublesome sampling with existing samplers. The male urine sampler includes a urine cup. The urine cup includes a cup tube, a funnel-shaped top plate and a circular bottom plate. The top and bottom ends of the cup tube are fixed to the large end of the top plate and the outer edge of the bottom plate. There are two adjustment holes on the wall of the cup tube. , also includes an adjustment tube with both ends fixed to the adjustment hole, and an adjustment rod that passes through the adjustment tube. The adjustment rod is provided with an adjustment chamber, and the adjustment rod is provided with a liquid inlet hole and a liquid outlet hole. , the inner wall of the adjustment tube and the rod wall of the adjustment rod are provided with a chute and a slider, and also includes a return spring sleeved on the adjustment rod. The wall of the hole is provided with a limit groove, and also includes a stop rod with a baffle plate fixed on the top, a limit block is arranged on the wall of the stop rod, the stop rod passes through the two stop holes, and the limit block slides on the limit slot. The urine receiving device is more convenient for hygienic sampling.

The invention discloses a ventricular drainage device capable of being accurately adjusted, and relates to the technical field of medical instruments. The ventricular drainage device comprises a drainage bottle, one end of a liquid inlet pipe is fixedly connected in the upper surface of the drainage bottle, and the other end of the liquid inlet pipe is fixedly connected with a left side connecting ring. According to the ventricular drainage device capable of being accurately adjusted, a second adjusting plate is fixedly connected to the inner wall of an adjusting pipe, a plurality of adjusting holes are regularly formed in the second adjusting plate, so that a doctor can conveniently use a first adjusting plate to block the appropriate number of the adjusting holes to reduce the flow of the adjusting pipe, then the doctor can accurately adjust the ventricular drainage amount of the patient according to the condition of the patient, the treatment effect of the device on the patient is improved, and the problems that the treatment effect is poor due to the fact that the drainage amount is inconvenient to accurately adjust according to the condition of the patient when an existing ventricular drainage device is used, and meanwhile, the patient is infected caused by incomplete cleaning due to the fact that the existing drainage device is inconvenient to disassemble and clean after being used are solved.