CN111396604A - Bionic automatic urine collecting bag - Google Patents
Bionic automatic urine collecting bag Download PDFInfo
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- CN111396604A CN111396604A CN202010283173.4A CN202010283173A CN111396604A CN 111396604 A CN111396604 A CN 111396604A CN 202010283173 A CN202010283173 A CN 202010283173A CN 111396604 A CN111396604 A CN 111396604A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
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- A61M1/0023—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/69—Drainage containers not being adapted for subjection to vacuum, e.g. bags
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
- A61M1/743—Suction control by changing the cross-section of the line, e.g. flow regulating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/20—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a lift valve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Vascular Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The application provides a bionic automatic urine collection bag, which comprises an introducing pipe and a urine storage bag, and is characterized in that a control valve is arranged at the upper part of the urine storage bag, and the upper end of the control valve is communicated with the introducing pipe; the control valve is internally provided with a buoy, the outlet of the control valve is positioned at the lower part of the valve cavity where the buoy is positioned and is sealed in the urine storage bag, when the urine pressure rises to the biological urination pressure of a human body, the pressure overcomes the gravity of the buoy to automatically open the control valve, then the buoy keeps high under the dual actions of the urine pressure and the buoyancy, and the buoy falls back under the action of self weight and closes the control valve again after the urine is drained out, so that the product provided by the application can efficiently simulate the biological function of the human body, is convenient for a patient to use without sequela, and can also reduce the nursing burden of medical care personnel and family members of the patient, and the control valve is a non-electric pure mechanical product, is injection molded, has low cost and is favorable for popularization and application; in addition, the product is made of non-PVC material, and is healthy and harmless.
Description
Technical Field
The application relates to a urine collection bag, in particular to a bionic automatic urine collection bag capable of automatically simulating the biological function of natural urination of a human body.
Background
Most of urine collecting bags applied in the market at present adopt a water-stop clamp to lock and discharge urine, when a patient is in a coma state and can not independently control the urine discharge, the patient only can regularly discharge urine by a nursing staff and can not well match with the biological function of a human body, even if the patient can call the nursing staff to discharge the urine, the situation that the urine discharge is not timely or forgets secondary clamping exists, not only is the nursing troublesome, but also the patient is often painful and even has sequelae (such as urine retention, urinary incontinence and the like) caused by incomplete nursing, therefore, people can conceive that the autonomous urine discharge process is controlled by adopting a one-way valve, however, the common one-way valve only can play the role of opening the urine discharge at constant pressure, and along with the reduction of the urine pressure, the one-way valve can be automatically closed in advance, so that the patient can not completely discharge the urine and the biological function maintenance of the patient can be influenced, and if an electric control scheme (a power supply, a pressure sensor or an ultrasonic wave and, the effective urination of the patient is ensured, and the sequelae are reduced, but the cost of the electric control scheme is too high, so that the popularization and the application are difficult.
Therefore, how to provide a mechanical bionic automatic urine collection bag which has a simple structure and low cost and can achieve the effect of an electric control scheme has become a problem which needs to be solved by technical personnel in the field.
Disclosure of Invention
In view of the above shortcomings in the prior art, the present application aims to provide a mechanical bionic automatic urine collection bag, which adopts a pure mechanical structure to realize the bionic effect that can be achieved by an electric control scheme, has low cost, and is beneficial to popularization and application.
In order to achieve the above and other related objects, the present application provides a bionic automatic urine collection bag, which is characterized in that a control valve is arranged on the upper portion of the urine storage bag, a preposed channel is arranged on the upper portion of the control valve, the upper end of the preposed channel is communicated with an inlet tube, a valve core and a return spring are arranged right below the preposed channel, and the preposed channel, the valve core and the return spring form a one-way valve (the upper end surface of the valve core is in sealing fit with the lower end port of the preposed channel, and the lower end surface is the same) for plugging the lower end; the outer ring of the valve core is also provided with a guide sleeve and a float bowl, the outer wall of the guide sleeve is in clearance fit with the inner wall of the float bowl, the inner wall of the guide sleeve or the outer wall of the valve core is provided with a vertical diversion trench, the upper part of the vertical diversion trench is communicated with a lower port of the preposed channel, the lower end of the guide sleeve is provided with a horizontal diversion trench communicated with the vertical diversion trench, the horizontal diversion trench is communicated with a valve cavity where the float bowl is located, and an outlet of the control valve is located at; one or more horizontal through holes are formed in the upper portion of the guide sleeve corresponding to the top of the valve core, interlocking balls are arranged in the horizontal through holes, the effective radial size of each horizontal through hole is smaller than the diameter of the interlocking ball and larger than the radius of the interlocking ball, an avoiding groove is formed in the upper portion of the floating barrel corresponding to the position of the horizontal through hole, and the radial depth of the avoiding groove is smaller than the radius of the interlocking ball. When the urine pressure rises to the human biological urination pressure, the pressure overcomes the pressure of a return spring to open a valve core, the urine flows into a float valve cavity through a diversion trench and enables a float to float upwards, interlocking balls in a horizontal through hole in the upper portion of a guide sleeve are squeezed between the valve core and a front channel, a valve core reset path is locked, in the urination process, the float keeps high under the dual functions of the urine pressure and the buoyancy (the pressure is kept far smaller than the opening pressure, even only the buoyancy can be kept when the float is low in density), the valve core is continuously locked until the urine flows out, the float falls back under the action of self weight, the interlocking balls are squeezed back into an avoidance groove of the float under the action of the return spring, the valve core resets, the control valve is closed again, a patient can conveniently hold the urine again, the physical mechanism is kept not declined, and in addition, the one-way valve in the control valve has the function of. The product provided by the application can efficiently imitate the full-automatic opening and closing of the biological function of a human body, is convenient for a patient to use without sequela, can also reduce the nursing burden of medical care personnel and family members of the patient, and the control valve is a non-electric pure mechanical plastic product, is low in cost and is beneficial to popularization and application; in addition, the product is made of non-PVC material, and is healthy and harmless.
Preferably, the main structures of the control valve body, the valve core, the guide sleeve, the buoy and other components are all cylindrical, the control valve body is easy to process and good in structural integrity, the top of the valve core is provided with a sealing ball, and the diameter of the sealing ball is larger than that of a horizontal round outlet at the lower end of the preposed channel and is used for better plugging the round horizontal outlet at the lower end of the preposed channel; the outer diameter of the float bowl is in clearance fit with the inner diameter of the valve body, the outer diameter of the guide sleeve is in clearance fit with the inner diameter of the float bowl, the inner diameter of the guide sleeve is in clearance fit with the outer diameter of the valve core, and the inner wall of the guide sleeve is provided with a vertical diversion trench which is used for communicating with the lower port of the preposed channel and then flows into the urine storage bag through the outlet of; two horizontal through holes which are symmetrically distributed are formed in the upper portion of the guide sleeve corresponding to the top of the valve core, interlocking balls are arranged in the horizontal through holes, the interlocking balls can be stressed more evenly through the symmetrically distributed horizontal through holes, and the interlocking effect is better.
The clearance fit refers to a fit relation that the nominal size of the outer diameter (shaft) of the built-in part and the nominal size of the inner diameter (hole) of the outer sleeve part are the same, and the tolerance band of the hole is above the tolerance band of the shaft, and particularly, the minimum clearance of the clearance fit is larger than zero (the same below) unlike the clearance fit of the shaft hole of a general machine.
The effective radial size of the horizontal through hole refers to the radial distance between the outer wall of the guide sleeve at the horizontal through hole and the outer wall of the valve core, and when the outer wall of the valve core is provided with the diversion trench, the outer wall of the valve core refers to the minimum radius where the interlocking ball can reach.
When the inner wall of the guide sleeve is provided with the vertical guide groove, the inner wall (or the inner diameter) of the guide sleeve refers to the inner wall with the minimum radial dimension of the guide sleeve; when the outer wall of the valve core is not provided with the diversion trench and the inner diameter of the guide sleeve is in clearance fit with the outer diameter of the valve core, the effective radial size of the horizontal through hole is equal to the self radial size of the horizontal through hole, namely the wall thickness of the guide sleeve at the position of the horizontal through hole.
In order to achieve the same purpose, the application provides another bionic automatic urine collection bag which is characterized in that a control valve is arranged at the upper part of the urine storage bag, a preposed channel is arranged at the upper part of the control valve, the upper end of the preposed channel is communicated with an introducing pipe, and a valve core and a reset spring are arranged right below the preposed channel and used for plugging the lower end of the preposed channel; the outer ring of the valve core is also provided with a float bowl, the inner wall of the float bowl or the outer wall of the valve core is provided with a diversion trench, the diversion trench is respectively communicated with the lower port of the preposed channel and the outlet of the control valve, and the outlet of the control valve is positioned at the lower part of the valve cavity where the float bowl is positioned and is sealed in the urine storage bag; the buoy upper portion corresponds case top position and is equipped with one or more horizontal grooves, and the horizontal inslot disposes interlocking ball, and the horizontal groove below still is equipped with the vertical groove with horizontal groove intercommunication, and the effective radial depth more than or equal to of horizontal groove interlocking ball diameter, the effective radial depth of vertical groove are less than interlocking ball diameter and are greater than interlocking ball radius, and the radial depth difference of horizontal groove and vertical groove is less than interlocking ball radius. When the urine pressure rises to the human biological urination pressure, the pressure overcomes the pressure of the reset spring to open the valve core, the urine flows into the float valve cavity through the diversion trench and enables the float to float, the interlocking balls in the horizontal groove of the float automatically roll down between the vertical groove and the valve core and the preposed channel, the valve core resetting path is locked, in the urination process, the float keeps high under the dual functions of the urine pressure and the buoyancy, the valve core is continuously locked, the float falls back under the self-weight action until the urine completely flows, the interlocking balls are extruded into the horizontal groove of the float under the action of the reset spring, the valve core resets, and the control valve is closed again. This scheme can realize aforementioned all functions that are equipped with the guide pin bushing scheme, and the structure is simpler.
Preferably, the main structures of the control valve body, the valve core, the buoy and other parts are all cylindrical, so that the control valve is easy to process and has good structural integrity; the top of the valve core is provided with a sealing ball, and the diameter of the sealing ball is larger than that of the horizontal round outlet at the lower end of the preposed channel and is used for better plugging the round horizontal outlet at the lower end of the preposed channel; the inner and outer diameters of the float bowl are in clearance fit with the inner diameter of the valve body and the outer diameter of the valve core respectively, and the inner wall of the float bowl is provided with a diversion trench which is communicated with the lower port of the preposed channel and the outlet of the control valve respectively; the upper part of the float bowl is provided with two horizontal grooves which are symmetrically distributed corresponding to the top of the valve core, interlocking balls are arranged in the horizontal grooves, the interlocking balls are stressed more uniformly by the symmetrically distributed horizontal grooves, and the interlocking effect is better.
The effective radial depth of the horizontal groove or the effective radial depth of the vertical groove respectively refers to the radial distance from the outer wall of the valve core to the maximum radius position which can be reached by the interlocking ball when the interlocking ball is positioned in the horizontal groove or the vertical groove, and when the guide groove is arranged on the outer wall of the valve core, the outer wall of the valve core refers to the minimum radius position which can be reached by the interlocking ball.
Preferably, the inner wall of the float bowl is provided with a vertical diversion trench communicated with the lower port of the preposed channel and the outlet of the control valve, and when the inner wall of the float bowl is provided with the vertical diversion trench, the inner wall (or the inner diameter) of the float bowl refers to the inner wall with the smallest radial dimension of the float bowl.
The two solutions all use the return spring, the spring is a generalized concept, including but not limited to mechanical helical spring, rubber elastomer and other elastic resins, the return spring can be a pressure spring or a tension spring, and preferably, the return spring adopts a mechanical helical pressure spring, and has a simple structure and low cost.
In order to achieve the same purpose, the application also provides a bionic automatic urine collection bag which is characterized in that a control valve is arranged at the upper part of the urine storage bag, a backflow cavity with an upward outlet is arranged in the control valve, and the lower part of the backflow cavity is communicated with an inlet pipe; the control valve is also internally provided with a reversed barrel-shaped floating barrel, the shape of the lower surface of the upper part of the floating barrel is matched with the shape of the outlet at the upper end of the backflow cavity to form a sealing surface or a sealing line for completely sealing the outlet of the backflow cavity, and the outlet of the control valve is positioned at the lower part of the valve cavity where the floating barrel is positioned and is sealed in the urine storage bag. When the urine pressure rises to the human biological urination pressure, the gravity of the float bowl is overcome by the pressure, the float bowl floats upwards, the outlet at the upper end of the backflow cavity is opened, the urine flows into the urine storage bag through the diversion trench and the outlet at the lower part of the valve body, meanwhile, the float bowl is kept to float upwards continuously until the urine flows out, the float bowl falls back under the action of self weight, the outlet at the upper end of the backflow cavity is plugged by the lower surface of the upper part of the float bowl, and the control valve is closed again. This scheme is foretell two schemes relatively and has been saved check valve and interlocking ball, and the structure is simple more reliable.
When the inner diameter of the float bowl is larger than the outer diameter of the return flow cavity to form an inner ring channel, the plurality of guide grooves are circumferentially communicated to form an annular guide groove, and the guide effect of the annular guide groove is equivalent to that of the plurality of independent guide grooves.
Preferably, the upper part of the control valve is provided with a preposed channel, and the upper end of the preposed channel is communicated with the introducing pipe; the float bowl outer lane still is equipped with the spacer, the major structure of parts such as control valve body, spacer, flotation pontoon and backflow chamber is the cylinder, the spacer external diameter is less than the valve body internal diameter and forms an outer loop passageway in the spacer outer lane, spacer upper portion still is equipped with sealed baffle, sealed baffle top is equipped with radial passageway intercommunication preposition passageway lower extreme and outer loop passageway upper end, the spacer lower part is equipped with horizontal tunnel intercommunication backflow chamber lower part and outer loop passageway lower part, flotation pontoon external diameter and spacer internal diameter clearance fit, the flotation pontoon internal diameter is greater than the backflow chamber external diameter and forms an inner ring channel at the flotation pontoon inner circle, inner ring channel upper portion and backflow chamber upper port intercommunication, inner ring channel lower part and control valve export intercommunication, be equipped with sealed ball between flotation pontoon upper portion lower surface and the backflow chamber export, sealed ball diameter is greater than the circular export diameter of backflow chamber upper end level, used for plugging the outlet of the backflow cavity. When the urine pressure rises to the human biological urination pressure, the gravity of the float bowl and the sealing ball is overcome by the pressure, so that the float bowl and the sealing ball float upwards, the circular upper end outlet of the backflow cavity is opened, the urine flows into the urine storage bag through the inner ring channel of the valve body and the outlet at the lower part of the valve body, meanwhile, the urine in the valve body keeps the float bowl and the sealing ball to continuously float upwards, the float bowl and the sealing ball fall back under the action of self weight after the urine completely flows out, the upper end outlet of the backflow cavity is sealed by the sealing ball, and the control valve is closed again. The control valve with the circular spacer sleeve has the advantages of good structural integrity, easiness in control of assembly quality, small size, easiness in processing, low cost and the like.
The sealing ball can be embedded into the lower surface of the upper part of the float bowl and integrated with the lower surface of the upper part of the float bowl, and can also independently exist, but no matter whether the sealing ball independently exists, when the control valve is internally provided with a return flow cavity, the sealing ball is regarded as the lower surface of the upper part of the float bowl which is in sealing fit with the upper port of the return flow cavity.
Similarly, whether the sealing ball exists independently or not, when the valve core is arranged in the control valve, the sealing ball is regarded as the upper end surface of the valve core which is in sealing fit with the lower port of the preposed channel.
The up-down or high-low direction refers to the direction of each component when the bionic automatic urine collection bag is in a use state, namely the direction when the axis line of the control valve is in a vertical state, theoretically, the buoy vertically floats up and down, a floating path is allowed to slightly deflect in actual use, when the deflection degree does not exceed a self-locking angle, the use function of the product is not influenced, for convenience, the product is described and explained according to the vertical state, and the deflection state is not separately described.
The valve body, the spacer bush, the float bowl, the backflow cavity or the guide sleeve and the valve core of the control valve are all in a sleeve combination relationship, no matter whether the parts are circular or not, the symmetrical axes of the parts are taken as axes, the axes are in a vertical state in a working state, the direction parallel to the axes is defined as an axial direction, the direction perpendicular to the axes and intersected with the axes is defined as a radial direction, and particularly, for a horizontal through hole or a horizontal groove, the radial dimension of the horizontal through hole or the horizontal groove still refers to the radial dimension (horizontal dimension) of the control valve rather than the radial dimension (vertical dimension) of the horizontal through hole.
In some embodiments of the present application, the introducing pipe is inserted into the urine storage bag from a vertical passage at the side of the control valve port, and then bent by 90 degrees to communicate with the return flow cavity from the side of the lower part of the return flow cavity, or bent by 180 degrees to be inserted into the return flow cavity from the lower end of the control valve.
The above-mentioned structural scheme that adopts the bypass hose to connect the return flow chamber seems to be simpler than the scheme that is equipped with spacer sleeve and outer loop passageway in principle, but the sealed connection technology of bypass hose and urine storage bag is more complicated.
In fact, the outer ring channel can be regarded as a plurality of bypass hoses to be circumferentially communicated to form an annular bent pipe, the function of the annular bent pipe is equivalent to that of a plurality of independent bypass hoses, and the annular bent pipe is more suitable for large-scale batch production.
In certain embodiments of the present application, the forward passageway is an inner and outer sleeve structure, the inner sleeve is connected to the inlet tube at an upper end thereof, the inner sleeve is connected to the outer sleeve at a lower end thereof, and the outer sleeve is connected to the inlet tube at a middle portion thereof, and has a sidewall through hole connected to the urine storage bag. When the inner insertion tube is inserted to a position above the through hole of the side wall, the leading-in tube is directly communicated with the urine storage bag, the control valve does not work, and the urine storage bag is suitable for an operating room to reduce the abdominal cavity pressure of a patient in the operation; when the inner insertion tube is inserted to a position below the through hole of the side wall, the through hole of the side wall is sealed by the inner insertion tube, urine can only enter the urine storage bag through the control valve, the urine storage bag is suitable for being used after operation, and the urine collection bag has a bionic effect and is beneficial to the recovery of biological functions of a patient.
In certain embodiments of the present application, the forward passageway is an inner and outer sleeve structure, and the inner sleeve has a check valve flap at its lower end, wherein the check valve flap opens during normal use and closes to stop backflow when abnormal operation causes backflow of urine in the urine storage bag.
In some embodiments of the application, a belt hole or an integrated hook is reserved on the upper portion of the valve body and used for quickly hanging the urine storage bag beside a sickbed, and therefore medical staff can conveniently operate the bag in a high-efficiency and convenient manner. Preferably, the hook is a pair of symmetrical sheet hooks, the hook is manufactured by injection molding together with the upper valve body to be in a plane unfolding state so as to reduce the packaging volume, and when the hook is used, the hook upright post is twisted or the upper hook is bent by means of elastic deformation of the sheet structure, so that the hook head rotates by more than 60 degrees (more preferably 90 degrees) so as to be hung beside a patient bed.
In certain embodiments of the present application, the upper and lower valve bodies are either threaded or snap-fit sealed. The structure does not need welding, improves the assembly efficiency, ensures the quality, preferably adopts a buckle connection mode, and is more convenient and effective.
In some embodiments of this application, the valve body is sealed wholly or partly and is arranged in storage urine bag upper end port portion, valve body or local valve body appearance are ship shape structure, and the convenience is with valve body lug weld in storage urine bag upper end port portion, the local ship mouthful structure of valve body can be located the arbitrary high position of valve body, and the preferred upper portion appearance that only the valve body is ship type structure, can simplify the product structure, beautifies the outward appearance, reduce cost.
In some embodiments of the present application, the lower end of the urine storage bag is further provided with a discharge valve, the upper part of the discharge pipe of the discharge valve is also of a boat-shaped structure, the welding is convenient for the lower port part of the urine storage bag, the production efficiency is improved, and the lower end of the discharge pipe is provided with a discharge switch.
In certain embodiments of the present application, the control valve disposed at the upper portion of the urine storage bag is displaced to the lower portion of the inlet tube, the upper portion of the control valve is provided with a front channel communicating with the inlet tube, and the lower portion of the control valve is provided with a rear channel communicating with the upper end of the urine storage bag through the inlet tube by gathering the outlet of the control valve into one tube connector. In another way, a control valve with a bionic automatic function is connected in series to the lower part of the leading-in pipe close to the upper end of the urine storage bag, so that the bionic automatic control valve is suitable for upgrading the traditional urine storage bag without the bionic automatic function.
The bionic automatic urine collection bag comprises an introducing pipe and a urine storage bag, and is characterized in that a control valve is arranged at the upper part of the urine storage bag, and a front channel at the upper part of the control valve is communicated with the introducing pipe; still be equipped with the flotation pontoon in the control valve, the control valve export is located flotation pontoon place valve pocket lower part and seals and arrange in the urine storage bag, and when urine pressure rose to human biological urination pressure, this pressure overcomes flotation pontoon gravity and opens the control valve automatically, and then, the flotation pontoon keeps high-order (keeping pressure and far being less than opening pressure) under urine pressure and buoyancy dual function, and after the urine ran out, the flotation pontoon fell back under the dead weight effect, closes the control valve again.
The beneficial effect of this application is: the biological function of the human body is efficiently simulated, the use of the patient is convenient, sequela is not left, and the nursing burden of medical care personnel and family members of the patient can be reduced; the control valve is a non-electric pure mechanical plastic product, process optimization is performed, automatic welding can be realized, production efficiency is improved, cost is further reduced, and popularization and application are facilitated; in addition, the product is made of non-PVC material, and is healthy and harmless.
Drawings
Fig. 1 is a cross-sectional view of a first embodiment of the bionic automatic urine collection bag of the present application.
Fig. 2 is a diagram illustrating a valve opening state of the control valve of fig. 1.
Fig. 3 is a cross-sectional view of a second embodiment of the bionic automatic urine collection bag of the present application.
Fig. 4 is a diagram illustrating a valve opening state of the control valve of fig. 3.
Fig. 5 is a cross-sectional view of a third embodiment of the bionic automatic urine collection bag of the present application.
Fig. 6 is a diagram showing a valve opening state of the control valve of fig. 5.
Fig. 7 is a cross-sectional view of a fourth embodiment of the bionic automatic urine collection bag of the present application.
Fig. 8 is a left side view of fig. 7.
Fig. 9 is a closed state diagram of the control valve of fig. 7.
Fig. 10 is a left side view of fig. 9.
Fig. 11 is a top view of fig. 7.
Fig. 12 is a cross-sectional view of a fifth embodiment of the bionic automatic urine collection bag of the present application.
Fig. 13 is a sectional view of the bionic automatic urine collection bag according to the sixth embodiment of the present application.
In the figure, 1, an inlet pipe, 2, a front channel, 3, a valve core, 4, a guide sleeve, 5, a buoy, 6, a urine storage bag, 7, a backflow cavity, 8, a spacer, 9, a discharge valve and 10, a rear channel are arranged;
11. the valve comprises an upper valve body, a lower valve body, a control valve outlet, a control valve bypass hole, a valve body buckle, a tie-up hole and an integrated hook, wherein the upper valve body is 12, the lower valve body is 13, the control valve outlet is 14, the control valve bypass hole is 15, the valve body buckle is 16, and the tie-up hole is 17;
21. the lower port of the front channel, 22. a sealing ball, 23. an inner insert tube, 24. an outer sleeve, 25. a side wall through hole, 26. a check valve clack;
31. a return spring, 32. an interlocking ball;
41. horizontal through holes, 42 vertical diversion trenches, 43 horizontal diversion trenches;
51. an avoidance groove, 52 horizontal grooves, 53 vertical grooves, 54 buoy diversion grooves, 55 inner ring channels;
71. an upper port of the backflow cavity;
81. outer ring channel, 82 sealing partition, 83 radial channel, 84 horizontal tunnel;
91. and a discharge pipe 92, a discharge switch.
Detailed Description
The following description of the embodiments of the present application is provided for illustrative purposes, and other advantages and capabilities of the present application will become apparent to those skilled in the art from the present disclosure. In the following description, reference is made to the accompanying drawings that describe several embodiments of the application. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present disclosure. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present application is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Fig. 1 is a sectional view of a first embodiment of the bionic automatic urine collection bag of the present application, and fig. 2 is a view illustrating a valve opening state of the control valve of fig. 1. As shown in the figure, the upper part of the urine storage bag 6 is provided with a control valve, the upper part of the control valve is provided with an upper valve body 11 with a ship-shaped structure so as to be welded at the upper end of the urine storage bag 6 in a sealing way, the upper part of the control valve is provided with a preposed channel 2, the upper end of the preposed channel is communicated with an introducing pipe 1, and a valve core 3 and a return spring 31 are arranged right below the preposed channel; the preposed channel 2, the valve core 3 and the return spring 31 form a one-way valve (the upper end surface of the valve core 3 is in sealing fit with the preposed channel lower port 21, the lower end is the same) for plugging the preposed channel lower port 21; in order to prevent the one-way valve from being closed early after the urine pressure is reduced and ensure complete urination (urine exhaustion), the outer ring of the valve core 3 is also provided with a guide sleeve 4 and a float bowl 5, the outer wall of the guide sleeve is in clearance fit with the inner wall of the float bowl, the inner wall of the guide sleeve 4 is provided with a vertical diversion trench 41, the upper part of the vertical diversion trench is communicated with the lower port 21 of the preposed channel, the lower end of the guide sleeve 4 is provided with a horizontal diversion trench 42 communicated with the vertical diversion trench 41, the horizontal diversion trench is communicated with a valve cavity where the float bowl 5 is located, and an outlet 13 of the control valve is located at the; one or more horizontal through holes 43 are formed in the upper portion of the guide sleeve 4 corresponding to the top of the valve core 3, the interlocking balls 32 are arranged in the horizontal through holes, the effective radial size of the horizontal through holes 43 is smaller than the diameter of the interlocking balls 32 and larger than the radius of the interlocking balls 32, avoidance grooves 51 are formed in the upper portion of the float 5 corresponding to the horizontal through holes 43, and the radial depth of the avoidance grooves is smaller than the radius of the interlocking balls 32. As shown in fig. 2, when the urine pressure rises to the human body biological urination pressure, the pressure overcomes the pressure of the return spring 31 to open the valve core 3, the urine flows into the valve cavity where the float 5 is located through the diversion grooves 41 and 42 to float the float, meanwhile, the interlocking ball 32 in the horizontal through hole 43 at the upper part of the guide sleeve 4 is squeezed between the valve core 3 and the lower port 21 of the preposed channel, the resetting path of the valve core 3 is locked (see fig. 2), in the urination process, the float 5 keeps high (the pressure is kept far less than the opening pressure) under the dual action of the urine pressure and the buoyancy, so as to continuously lock the valve core 3, until the urine is drained, the float 5 falls under the action of the self-gravity, the interlocking ball 32 is squeezed back into the avoiding groove 51 of the float 5 under the action of the return spring 31, the valve core 3 resets, the bionic automatic control valve is closed again (returns to the state shown in fig. 1), in addition, the one-way valve in the bionic automatic control valve has the function of a reverse check valve. The bionic automatic control valve can efficiently imitate the full-automatic opening and closing of the biological function of a human body, is convenient for a patient to use without sequela, can also reduce the nursing burden of medical care personnel and family members of the patient, is a non-electric pure mechanical plastic product, has low cost, and is beneficial to popularization and application; in addition, the product is made of non-PVC material, and is healthy and harmless.
As shown in fig. 1 and 2, it is preferable that the main structures of the control valve upper valve body 11, the lower valve body 12, the valve core 3, the guide sleeve 4, the float 5 and other components are all cylindrical, which is not only easy to process, but also has good structural integrity, the top of the valve core 3 is provided with a sealing ball 22, and the diameter of the sealing ball is greater than that of the horizontal circular outlet 21 at the lower end of the pre-channel, so as to better block the horizontal circular outlet 21 at the lower end of the pre-channel; the outer diameter of the float bowl 5 is in clearance fit with the inner diameters of the upper valve body 11 and the lower valve body 12, the outer diameter of the guide sleeve 4 is in clearance fit with the inner diameter of the float bowl 5, the inner diameter of the guide sleeve 4 is in clearance fit with the outer diameter of the valve core 3, all parts in circular clearance fit are beneficial to reducing the size of the control valve, the motion guidance of the valve core and the float bowl can be improved, meanwhile, the float bowl can be guaranteed to float upwards and keep smoothly, a vertical diversion trench 41 is formed in the inner wall of the guide sleeve 4 and used for being communicated with a lower port 21 of the preposed channel, and a horizontal diversion trench 42 communicated with the; two horizontal through holes 43 which are symmetrically distributed are formed in the upper portion of the guide sleeve 4 corresponding to the top of the valve core 3, interlocking balls 32 are arranged in the horizontal through holes, the interlocking balls are stressed more evenly through the symmetrically distributed horizontal through holes, and the interlocking effect is better.
Fig. 3 is a sectional view of a bionic automatic urine collection bag according to a second embodiment of the present application, and fig. 4 is a diagram illustrating a valve opening state of the control valve in fig. 3. As shown in the figure, the upper part of the urine storage bag 6 is provided with a control valve, the upper part of the control valve is provided with an upper valve body 11 with a ship-shaped structure so as to be welded at the upper end of the urine storage bag 6 in a sealing way, the upper part of the control valve is provided with a preposed channel 2, the upper end of the preposed channel is communicated with an introducing pipe 1, a valve core 3 and a return spring 31 are arranged right below the preposed channel, and the preposed channel 2, the valve core 3 and the return spring 31 form a one-way valve for plugging a lower port 21 of the prepos; in order to prevent the one-way valve from closing early after the urine pressure is reduced and ensure complete urination (urine is exhausted), the outer ring of the valve core 3 is also provided with a float bowl 5, the inner wall of the float bowl is provided with a diversion trench 54, the diversion trench is respectively communicated with the lower port 21 of the preposed channel and a control valve outlet 13, and the control valve outlet is positioned at the lower end of the valve cavity where the float bowl 5 is positioned and sealed in the urine storage bag 6; the upper portion of the buoy 5 is provided with one or more horizontal grooves 52 corresponding to the top of the valve core 3, interlocking balls 32 are arranged in the horizontal grooves, vertical grooves 53 communicated with the horizontal grooves 52 are further formed below the horizontal grooves, the effective radial depth of the horizontal grooves 52 is larger than or equal to the diameter of the interlocking balls 32, the effective radial depth of the vertical grooves 53 is smaller than the diameter of the interlocking balls 32 and larger than the radius of the interlocking balls 32, and the radial depth difference between the horizontal grooves 52 and the vertical grooves 53 is smaller than the radius of the interlocking balls 32. As shown in fig. 4, when the urine pressure rises to the human body biological urination pressure, the pressure overcomes the pressure of the return spring 31 to open the valve core 3, the urine flows into the valve cavity of the float bowl 5 through the diversion trench 54 and enables the float bowl to float upwards, the interlocking ball 32 in the horizontal trench 52 of the float bowl automatically rolls down between the vertical trench 53 and the lower port 21 of the preposed channel, the reset path of the valve core 3 is locked (see fig. 4), during the urination, the float bowl 5 keeps high (the pressure is kept far less than the opening pressure) under the dual action of the urine pressure and the buoyancy, so as to continuously lock the valve core 3, until the urine is drained, the float bowl 5 falls back under the action of the self-weight, the interlocking ball 32 is squeezed into the horizontal trench 52 of the float bowl under the action of the return spring 31, the valve core 3 resets, the bionic automatic control valve is closed again (the state shown in fig. 3), so that the patient, the one-way valve in the bionic automatic control valve has the function of a reverse check valve. This scheme can realize all functions of aforementioned first embodiment, and the structure is simpler.
As shown in fig. 3 and 4, it is preferable that the main structures of the control valve upper valve body 11, the control valve lower valve body 12, the valve core 3, the float bowl 5 and other components are all cylindrical, which is not only easy to process, but also has good structural integrity, and the top of the valve core 3 is provided with a sealing ball 22, the diameter of the sealing ball is greater than that of the horizontal circular outlet 21 at the lower end of the pre-channel, so as to better block the horizontal circular outlet 21 at the lower end of the pre-channel; the outer diameter of the float bowl 5 is in clearance fit with the inner diameters of the upper valve body 11 and the lower valve body 12, the inner diameter of the float bowl 5 is in clearance fit with the outer diameter of the valve core 3, all parts in circular clearance fit are beneficial to reducing the size of the control valve, the motion guidance of the valve core and the float bowl can be improved, meanwhile, the float bowl is beneficial to ensuring to float upwards and keep smoothly, and the inner wall of the float bowl 5 is provided with a diversion trench 54 which is respectively communicated with the lower port 21 of the preposed channel and; two horizontal grooves 52 which are symmetrically distributed are formed in the upper portion of the buoy 5 corresponding to the top of the valve core 3, the interlocking balls 32 are arranged in the horizontal grooves, and the interlocking balls 32 can be stressed more evenly and are better in interlocking effect due to the symmetrically distributed horizontal grooves 52.
As shown in fig. 3, it is preferable that a pair of symmetrically distributed tie holes 16 is disposed at the upper end of the upper valve body 11 for quickly hanging the urine storage bag at the bedside, so as to facilitate efficient and convenient operation of medical staff.
Fig. 5 is a sectional view of a bionic automatic urine collection bag according to a third embodiment of the present application, and fig. 6 is a view illustrating a valve opening state of the control valve in fig. 5. As shown in the figure, the upper part of the urine storage bag 6 is provided with a control valve, the upper part of the control valve is provided with an upper valve body 11 with a ship-shaped structure so as to be welded at the upper end of the urine storage bag 6 in a sealing way, a backflow cavity 7 is arranged in the control valve, the backflow cavity is provided with an upward outlet 71, and the lower part of the backflow cavity 7 is communicated with the introducing pipe 1; the control valve is also internally provided with a reversed barrel-shaped floating barrel 5, the shape of the lower surface of the upper part of the floating barrel is matched with the shape of the upper port 71 of the backflow cavity to form a sealing surface or a sealing line for completely sealing the upper port 71 of the backflow cavity, the inner wall of the floating barrel 5 is provided with a diversion trench 54, the diversion trench is respectively communicated with the upper port 71 of the backflow cavity and the control valve outlet 13, and the control valve outlet 13 is positioned at the lower end of the valve cavity where the floating barrel 5 is positioned and sealed in the urine storage bag 6. As shown in fig. 6, when the urine pressure rises to the human body biological urination pressure, the pressure overcomes the gravity of the float bowl 5 to float the float bowl 5 upwards, the upper port 71 (see fig. 6) of the backflow cavity is opened, the urine flows into the urine storage bag 6 through the diversion trench 54 and the outlet 13 at the lower part of the valve body, during the urination process, the float bowl 5 keeps high (the pressure is kept far less than the opening pressure) under the dual action of the urine pressure and the buoyancy, until the urine runs out, the float bowl 5 falls back under the action of self-gravity, the lower surface at the upper part of the float bowl 5 seals the upper port 71 of the backflow cavity, and the control valve is closed again (the state shown in fig.. This scheme has saved check valve and interlocking ball for aforementioned two embodiments relatively, and the structure is simple more reliable. In this embodiment, the inlet tube 1 is connected to the urine storage bag 6 through the port on one side of the control valve, and is connected to the lower end of the backflow cavity 7 after the urine storage bag 6 is bent 180 degrees, and during mass production, the inlet tube 7 connected in advance is not favorable for welding the port of the control valve and the upper port of the urine storage bag 6, which affects mass production efficiency, and is not a preferred scheme.
Fig. 7 is a sectional view of the biomimetic automatic urine collection bag of the present application in a fourth embodiment, fig. 8 is a left side view of fig. 7, fig. 9 is a closed state diagram of the control valve of fig. 7, and fig. 10 is a left side view of fig. 9. As shown in the figure, the upper part of the urine storage bag 6 is provided with a control valve, the upper part of the control valve is provided with an upper valve body 11 with a ship-shaped structure so as to be welded at the upper end of the urine storage bag 6 in a sealing way, an outlet 13 of the control valve is sealed in the urine storage bag 6, a backflow cavity 7 is arranged in the control valve, the backflow cavity is provided with an upward outlet 71, and the lower part of the backflow cavity 7 is communicated with the introducing pipe 1; still be equipped with back-off tubbiness flotation pontoon 5 in the control valve, be equipped with sealed ball 22 between flotation pontoon upper portion lower surface and the chamber 7 export that flows backward, sealed ball diameter is greater than the diameter of the circular horizontal export 71 in chamber upper end that flows backward for shutoff chamber export 71 that flows backward. In order to improve the problem that the aforementioned third embodiment (see fig. 5 and 6) is not beneficial to the sealing welding of the control valve port and the upper port of the urine storage bag 6, and further affects the batch production efficiency, a front channel is arranged at the upper part of the control valve, the outer ring of the float 5 is further provided with a spacer 8, the main structures of the upper valve body 11, the lower valve body 12, the float 5, the backflow cavity 7, the spacer 8 and other components of the control valve are all cylindrical (see fig. 11), the outer diameter of the spacer 8 is smaller than the inner diameter of the valve body, an outer ring channel 81 is formed at the outer ring of the spacer, a sealing partition plate 82 is further arranged at the upper part of the spacer 8, a radial channel 83 is arranged above the sealing partition plate and is communicated with the lower port 21 of the front channel and the upper end of the outer ring channel 81, a horizontal tunnel 84 is further arranged at the lower part of the spacer 8 and is communicated with the lower part of the backflow, thus, the inlet pipe does not need to be connected in advance, and the batch production efficiency of the sealing welding of the control valve and the urine storage bag is improved. The external diameter of the float bowl 5 is in clearance fit with the internal diameter of the spacer sleeve 8, the internal diameter of the float bowl 5 is larger than the external diameter of the backflow cavity 7, an inner ring channel 55 is formed in the inner ring of the float bowl 5, the upper part of the inner ring channel is communicated with the upper port 71 of the backflow cavity, the lower part of the inner ring channel 55 is communicated with the outlet 13 of the control valve, and the outlet of the control valve is positioned at the lower end of the valve cavity where the float bowl 5 is positioned and sealed in the urine. When the urine pressure rises to the human body biological urination pressure, the pressure overcomes the gravity of the float bowl 5 and the sealing ball 22, so that the float bowl 5 and the sealing ball 22 float upwards, the circular upper end outlet 71 of the backflow cavity is opened, the urine flows into the urine storage bag 6 through the inner ring channel 55 and the outlet 13 at the lower part of the valve body, meanwhile, the urine in the valve body keeps the float bowl 5 and the sealing ball 22 to continuously float upwards, the float bowl 5 and the sealing ball 22 fall back under the self-weight action after the urine flows out, the sealing ball 22 blocks the upper end outlet 71 of the backflow cavity (see 9 and 10), and the control valve is closed again.
As shown in fig. 7 to 10, it is preferable that the front channel is of an inner and outer sleeve structure, and includes an inner sleeve 23 and an outer sleeve 24, wherein the upper end of the inner sleeve 23 is communicated with the inlet tube 1, the lower end of the inner sleeve 23 is inserted into the outer sleeve 24 and is in sealing fit with the outer sleeve 24, the side wall of the outer sleeve 24 is provided with a through hole 25, the through hole of the side wall is communicated with the upper valve body bypass hole 14, and the upper valve body bypass hole is communicated with the urine storage bag 6. When the lower end of the inner insertion tube 23 is positioned at the upper side of the side wall through hole 25 (see fig. 9 and 10), the control valve is not required to be opened, the introducing tube 1 is directly communicated with the urine storage bag 6 through the side wall through hole 25 and the upper valve body bypass hole 14, and the control valve is in a normally open state and is suitable for reducing the abdominal pressure of a patient in the operation process; when the lower end of the inner insertion tube 23 is positioned below the side wall through hole 25 (see fig. 7 and 8), the side wall through hole 25 of the outer sleeve is sealed by the inner insertion tube 23, the introducing tube 1 can be communicated with the urine storage bag 6 only after the control valve is opened, and the control valve is in a bionic automatic state, is suitable for postoperative use and is beneficial to the recovery of biological functions of a patient. Just so can solve the problem that two kinds of environment of bionical automatic collection urine bag compatibility art of this application were used with the postoperative.
As shown in fig. 7 to 10, it is preferable that the lower end of the inner insertion tube 23 is provided with a check valve flap 26, and the valve flap 26 is opened in normal use, and if abnormal operation causes reverse flow of urine in the urine storage bag 6, the valve flap 26 is closed to stop the reverse flow.
As shown in figures 7 to 10, it is preferable that the upper end of the upper valve body 11 is further provided with a pair of symmetrically distributed integrated hooks 17 for the nursing staff to fix the urine storage bag 6 to the bedside, the hooks are of a thin sheet structure and are integrally injection-molded with the upper valve body to be in a plane unfolding state during manufacturing so as to reduce the packaging volume, and when in use, the hook heads are rotated by about 90 degrees by twisting the hook columns or bending the upper hooks through the elastic deformation of the thin sheet structure so as to be hung on the bedside
As shown in fig. 7 to 10, it is preferable that the lower valve body 12 and the upper valve body 11 are fastened together by the valve body fastener 15, the outer sleeve 24, the float 5, the sealing ball 22, and the spacer 8 are sequentially installed in the upper valve body 11, the lower valve body 12 is used to fasten the above components in the upper valve body 11, and finally the inner insert 23 is inserted into the outer sleeve 24 to complete the assembly of the control valve.
As shown in fig. 7 to 10, it is preferable that the lower end of the urine storage bag 6 is further provided with a discharge valve 9, including a discharge pipe 91 and a discharge switch 92, so as to facilitate repeated use of the urine collection bag, reduce the use cost, optimize the resource utilization rate, and reduce the economic burden of patients.
Fig. 11 is a top view of fig. 7. As shown, the upper portion of the upper valve body 11 and the upper portion of the discharge pipe 91 are each formed in a boat-shaped configuration, which facilitates the welding and sealing of the control valve and the discharge valve with the upper and lower ports of the urine storage bag 6.
Fig. 12 is a cross-sectional view of a fifth embodiment of the bionic automatic urine collection bag of the present application. As shown in the figure, the upper part of the urine storage bag 6 is provided with a control valve, and the lower part of the control valve is provided with a lower valve body 12 of a boat-shaped structure so as to be hermetically welded at the upper end of the urine storage bag 6, wherein the bionic control function and the solution of the control valve in the embodiment are the same as those in the first embodiment (see figure 1 and figure 2).
Fig. 13 is a sectional view of the bionic automatic urine collection bag according to the sixth embodiment of the present application. As shown in the figure, the upper part of the control valve is provided with a front channel 2 which is communicated with an introducing pipe 1, the lower part of the control valve is provided with a rear channel 10 which is used for collecting the outlet of the control valve into a pipe joint and then communicated with the upper end of a urine storage bag 6 through the introducing pipe 1, and the bionic control function and the solution of the control valve in the embodiment are the same as those of the first embodiment (see fig. 1 and 2). Put another way, the present embodiment is equivalent to the first embodiment in which the control valve disposed at the upper part of the urine storage bag is shifted to the lower part of the inlet tube, i.e. a control valve with bionic control function is connected in series to the lower part of the inlet tube 1 near the upper end of the urine storage bag 6, and this solution is suitable for upgrading the traditional urine storage bag.
In summary, the bionic automatic urine collection bag provided by the application comprises an introducing pipe and a urine storage bag, and is characterized in that a control valve is arranged at the upper part of the urine storage bag, and a front channel at the upper part of the control valve is communicated with the introducing pipe; still be equipped with the flotation pontoon in the control valve, the control valve export is located flotation pontoon place valve pocket lower part and seals and arrange in the urine storage bag, and when urine pressure rose to human biological urination pressure, this pressure overcome flotation pontoon gravity and opens the control valve automatically, and then, the flotation pontoon keeps the high level under urine pressure and buoyancy dual function, and after the urine ran out, the flotation pontoon fell back under the dead weight effect, closes the control valve again. The product provided by the application can efficiently imitate the biological function of the human body, is convenient for a patient to use without sequela, and can simultaneously reduce the nursing burden of medical care personnel and family members of the patient; the control valve is a non-electric pure mechanical plastic product, process optimization is performed, automatic welding can be realized, production efficiency is improved, cost is further reduced, and popularization and application are facilitated; in addition, the product is made of non-PVC material, and is healthy and harmless.
Claims (9)
1. A bionic automatic urine collecting bag comprises an introducing pipe and a urine storing bag, and is characterized in that a control valve is arranged at the upper part of the urine storing bag, a preposed channel is arranged at the upper part of the control valve, the upper end of the preposed channel is communicated with the introducing pipe, and a valve core and a reset spring are arranged right below the preposed channel; the outer ring of the valve core is also provided with a guide sleeve and a float bowl, the outer wall of the guide sleeve is in clearance fit with the inner wall of the float bowl, the inner wall of the guide sleeve or the outer wall of the valve core is provided with a vertical diversion trench, the upper part of the vertical diversion trench is communicated with a lower port of the preposed channel, the lower end of the guide sleeve is provided with a horizontal diversion trench communicated with the vertical diversion trench, the horizontal diversion trench is communicated with a valve cavity where the float bowl is located, and an outlet of the control valve is located at; one or more horizontal through holes are formed in the upper portion of the guide sleeve corresponding to the top of the valve core, interlocking balls are arranged in the horizontal through holes, the effective radial size of each horizontal through hole is smaller than the diameter of the interlocking ball and larger than the radius of the interlocking ball, an avoiding groove is formed in the upper portion of the floating barrel corresponding to the position of the horizontal through hole, and the radial depth of the avoiding groove is smaller than the radius of the interlocking ball.
2. The bionic automatic urine collection bag according to claim 1, wherein the main structure of the control valve body, the valve core, the guide sleeve and the float bowl is cylindrical, the top of the valve core is provided with a sealing ball, the diameter of the sealing ball is larger than the diameter of the horizontal circular outlet at the lower end of the front channel, the outer diameter of the float bowl is in clearance fit with the inner diameter of the valve body, the outer diameter of the guide sleeve is in clearance fit with the inner diameter of the float bowl, the inner diameter of the guide sleeve is in clearance fit with the outer diameter of the valve core, the upper part of the guide sleeve is provided with two horizontal through holes which are symmetrically distributed and correspond.
3. A bionic automatic urine collecting bag comprises an introducing pipe and a urine storing bag, and is characterized in that a control valve is arranged at the upper part of the urine storing bag, a preposed channel is arranged at the upper part of the control valve, the upper end of the preposed channel is communicated with the introducing pipe, and a valve core and a reset spring are arranged right below the preposed channel; the outer ring of the valve core is also provided with a float bowl, the inner wall of the float bowl or the outer wall of the valve core is provided with a diversion trench, the diversion trench is respectively communicated with the lower port of the preposed channel and the outlet of the control valve, and the outlet of the control valve is positioned at the lower part of the valve cavity where the float bowl is positioned and is sealed in the urine storage bag; the buoy upper portion corresponds case top position and is equipped with one or more horizontal grooves, and the horizontal inslot disposes interlocking ball, and the horizontal groove below still is equipped with the vertical groove with horizontal groove intercommunication, and the effective radial depth more than or equal to of horizontal groove interlocking ball diameter, the effective radial depth of vertical groove are less than interlocking ball diameter and are greater than interlocking ball radius, and the radial depth difference of horizontal groove and vertical groove is less than interlocking ball radius.
4. The bionic automatic urine collection bag according to claim 3, wherein the main structures of the control valve body, the valve core and the float bowl are all cylindrical, the top of the valve core is provided with a sealing ball, the diameter of the sealing ball is larger than the diameter of a horizontal circular outlet at the lower end of the preposed channel, the inner diameter and the outer diameter of the float bowl are in clearance fit with the inner diameter of the valve body and the outer diameter of the valve core respectively, two horizontal grooves are symmetrically distributed at the upper part of the float bowl corresponding to the top of the valve core, and interlocking balls are arranged in the horizontal grooves.
5. A bionic automatic urine collection bag comprises an introducing pipe and a urine storage bag, and is characterized in that a control valve is arranged at the upper part of the urine storage bag, a backflow cavity with an upward outlet is arranged in the control valve, and the lower part of the backflow cavity is communicated with the introducing pipe; the outer ring of the backflow cavity is also provided with an inverted barrel-shaped floating barrel, the shape of the lower surface of the upper part of the floating barrel is matched with the shape of the outlet at the upper end of the backflow cavity to form a sealing surface or a sealing line for completely sealing the outlet of the backflow cavity, and the outlet of the control valve is positioned at the lower part of the valve cavity where the floating barrel is positioned and sealed in the urine storage bag.
6. The bionic automatic urine collection bag according to claim 5, wherein the control valve is provided with a preposed channel at the upper part, and the upper end of the preposed channel is communicated with the introducing pipe; the float bowl outer ring is also provided with a spacer bush, the main body structures of the control valve body, the spacer bush, the float bowl, the return flow cavity and other parts are all cylindrical, the outer diameter of the spacer bush is smaller than the inner diameter of the valve body, an outer ring channel is formed on the outer ring of the spacer bush, a sealing clapboard is arranged at the upper part of the spacer bush, a radial channel is arranged above the sealing baffle plate and is communicated with the lower end of the preposed channel and the upper end of the outer ring channel, a horizontal tunnel is arranged at the lower part of the spacer sleeve and is communicated with the lower part of the return cavity and the lower part of the outer ring channel, the outer diameter of the float bowl is in clearance fit with the inner diameter of the spacer sleeve, the inner diameter of the float bowl is larger than the outer diameter of the return cavity, and an inner ring channel is, the upper part of the inner ring channel is communicated with the upper port of the backflow cavity, the lower part of the inner ring channel is communicated with the outlet of the control valve, and a sealing ball is arranged between the lower surface of the upper part of the floating cylinder and the outlet of the return cavity, and the diameter of the sealing ball is larger than that of the horizontal circular outlet at the upper end of the return cavity.
7. The bionic automatic urine collection bag according to claim 2, 4 or 6, wherein the front passage is an inner and outer sleeve structure, the lower part of the inner sleeve is inserted into the outer sleeve and is in sealing fit with the inner sleeve, the upper end of the inner sleeve is communicated with the inlet tube, the lower end of the inner sleeve is provided with a check valve flap, and the middle part of the outer sleeve is provided with a through hole of the side wall communicated with the urine storage bag.
8. The bionic automatic urine collection bag according to claim 2, 4 or 6, wherein the upper part of the valve body of the control valve is provided with an integrated hook, the hook is of a thin-sheet structure, and the elastic twisting angle in the vertical direction is larger than 60 degrees and/or the elastic bending angle in the horizontal direction is larger than 60 degrees.
9. The bionic automatic urine collection bag according to claim 2, 4 or 6, wherein the control valve disposed on the upper part of the urine storage bag is shifted to the lower part of the introducing tube, the upper part of the control valve is provided with a front channel which is communicated with the introducing tube, the lower part of the control valve is provided with a rear channel which is used for collecting the outlet of the control valve into a tube joint and is communicated with the urine storage bag through the introducing tube.
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| CN202010283173.4A CN111396604A (en) | 2020-04-02 | 2020-04-02 | Bionic automatic urine collecting bag |
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| CN202010283173.4A CN111396604A (en) | 2020-04-02 | 2020-04-02 | Bionic automatic urine collecting bag |
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| CN102095000A (en) * | 2010-12-22 | 2011-06-15 | 东莞正扬电子机械有限公司 | Automatic type air valve of urea box |
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| CN206342722U (en) * | 2016-08-04 | 2017-07-21 | 中南大学湘雅三医院 | A kind of urethral catheterization device able to drawing air |
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