CN112807550A - External bladder internal pressure maintaining device for catheter - Google Patents
External bladder internal pressure maintaining device for catheter Download PDFInfo
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- CN112807550A CN112807550A CN202110153162.9A CN202110153162A CN112807550A CN 112807550 A CN112807550 A CN 112807550A CN 202110153162 A CN202110153162 A CN 202110153162A CN 112807550 A CN112807550 A CN 112807550A
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- 210000002700 urine Anatomy 0.000 claims abstract description 90
- 238000012423 maintenance Methods 0.000 claims abstract description 17
- 230000002485 urinary effect Effects 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 10
- 230000036724 intravesical pressure Effects 0.000 claims abstract description 9
- 230000027939 micturition Effects 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 5
- 210000001503 joint Anatomy 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 210000000056 organ Anatomy 0.000 claims description 2
- 230000035790 physiological processes and functions Effects 0.000 abstract description 3
- 230000002980 postoperative effect Effects 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 abstract description 2
- 238000003032 molecular docking Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000474 nursing effect Effects 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 210000000626 ureter Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
-
- 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
- A61M2205/18—General characteristics of the apparatus with alarm
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
一种用于导尿管的体外式膀胱内压强维持装置，包括一输尿软管，所述输尿软管一端与所述导尿管的引出端口对接连通，另一端与外部的集尿袋对接连通；一压力维持模块，所述压力维持模块用于动态维持膀胱内压强，模拟膀胱正常排尿过程；一报警模块，所述报警模块用于提示更换处理集尿袋；一控制模块，所述控制模块用于接收并处理所述压力维持模块和所述报警模块发出的信号。本发明与导尿管的引流端口对接置于人体之外，不会对人体造成损害，并且能够形程一个可控的封闭环境，设置的压力维持模块能够在术后护理时使膀胱保持正常扩张和收缩，确保生理机能正常；本发明设置的报警模块能够判断集尿袋是否已满，通过声音提示以免忘记清理。
An extracorporeal intravesical pressure maintenance device for a urinary catheter, comprising a ureteral hose, one end of the ureteral hose is in butt communication with an outlet port of the urinary catheter, and the other end is connected to an external urine collection bag Docking and communication; a pressure maintenance module, which is used to dynamically maintain the intravesical pressure and simulate the normal urination process of the bladder; an alarm module, which is used to prompt the replacement of the urine collection bag; a control module, the The control module is used for receiving and processing signals from the pressure maintenance module and the alarm module. The invention and the drainage port of the urinary catheter are placed outside the human body, which will not cause damage to the human body, and can create a controllable closed environment, and the set pressure maintenance module can maintain the normal expansion of the bladder during postoperative care. and contraction to ensure normal physiological function; the alarm module provided by the present invention can judge whether the urine collection bag is full, and give a voice prompt to avoid forgetting to clean it.
Description
Technical Field
The invention belongs to the technical field of nursing equipment, and particularly relates to an in-vitro bladder internal pressure maintaining device for a catheter.
Background
In the prior art, for patients who have just performed an operation and other persons who cannot move temporarily, a urinary catheter is used for assisting urination in a conventional method. Because the existing catheter adopts a natural drainage mode, namely, the pressure in the bladder and the outside is equal, once urine is produced, the urine flows out automatically, the bladder keeps a contraction state all the time, and the temporary disorder of the bladder function can be caused in a period of time after the catheter is removed. Therefore, it is necessary to design an external auxiliary device for a urinary catheter, which can guide urine in the bladder out after the pressure of the bladder reaches a certain degree, so as to simulate the normal working process of the bladder.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an in-vitro bladder internal pressure maintaining device for a catheter, which has the following specific technical scheme:
an extracorporeal intravesical pressure maintenance apparatus for a urinary catheter, the intravesical pressure maintenance apparatus comprising:
one end of the urine conveying hose is in butt joint communication with the leading-out port of the catheter, and the other end of the urine conveying hose is in butt joint communication with an external urine collecting bag;
the pressure maintaining module is used for dynamically maintaining the pressure in the bladder and simulating the normal urination process of the bladder, and the pressure maintaining module is arranged at the urine inlet end of the urine conveying hose in series;
the alarm module is used for prompting the replacement and treatment of the urine collection bag, is arranged outside the urine outlet end part of the urine delivery hose and is detachably connected with the urine collection bag;
and the control module is used for receiving and processing signals sent by the pressure maintaining module and the alarm module, and is respectively connected with the pressure maintaining module and the alarm module through electric wires.
Furthermore, the pressure maintaining module comprises a one-way valve, an injector and an electromagnetic valve which are sequentially arranged on the ureter in series, wherein one end of the one-way valve is in butt joint communication with the urine inlet port of the ureter, and the other end of the one-way valve is in butt joint communication with the outlet port of the catheter; the needle cylinder of the injector is communicated with the urine conveying hose, a return spring is sleeved on a piston core rod of the injector, one end of the return spring is connected with the needle cylinder of the injector, and the other end of the return spring is connected with a piston handle of the injector; the electromagnetic valve is connected with the control module through an electric wire, a photoelectric switch is arranged on the electromagnetic valve,
the photoelectric switch is used for detecting and obtaining an elongation signal of the piston core rod of the injector pushed out by the pressure in the bladder and feeding back the elongation signal to the control module, and the control module receives the signal transmitted by the photoelectric switch to control the opening and closing of the electromagnetic valve.
Further, the alarm module comprises a spring scale, a travel switch and a buzzer, the spring scale is vertically suspended through a support, the urine collecting bag is detachably hung on a hook of the spring scale, the travel switch is arranged on the support and is located right below a movable end of the spring scale, the travel switch is connected with the control module through an electric wire, and the buzzer is arranged on the control module; when the urine collection bag is full of urine, the movable end of the spring scale touches the travel switch, the control module collects signals of the travel switch, the buzzer is driven to send out alarm sound, and the urine collection bag is prompted to be processed as soon as possible.
Furthermore, the control module adopts an Arduino mainboard and is powered by a rechargeable lithium battery.
Furthermore, a first pipe fitting tee joint is connected and communicated with the urine conveying hose in series, and a needle cylinder of the injector is detachably and hermetically inserted into a vertical port of the first pipe fitting tee joint.
Furthermore, the pressure maintaining device in the bladder also comprises a detection module, wherein the detection module is positioned between the pressure maintaining module and the urine collecting bag and is communicated with the urine conveying hose in series; the detection module comprises a flow pump and a PH meter, the flow pump is communicated with the urine delivery hose in series, and the flow pump is connected with the control module through an electric wire; the urine conveying hose is serially communicated with a second pipe fitting tee joint, and the PH meter is detachably connected with a vertical port of the second pipe fitting tee joint in an inserting mode.
Further, a water injection soft valve is arranged at one end of the catheter, a water bag is arranged at the other end of the catheter, and the water injection soft valve is located close to the outlet port of the catheter.
The invention has the beneficial effects that:
the pressure maintaining module can keep the bladder expanded and contracted normally during postoperative care, so that the normal physiological function is ensured; the alarm module provided by the invention can judge whether the urine collection bag is full, and the cleaning is avoided being forgotten through sound prompt.
Drawings
FIG. 1 shows a schematic of the overall structure of the present invention;
fig. 2 shows a schematic view of the structure of the invention after docking with a catheter;
fig. 3 shows a design principle wire frame diagram of the present invention.
Shown in the figure: 1. a urinary catheter; 2. a pressure maintenance module; 21. a one-way valve; 22. an injector; 221. a first pipe tee; 23. a return spring; 24. an electromagnetic valve; 25. a photoelectric switch; 3. an alarm module; 31. a spring scale; 32. a travel switch; 33. a buzzer; 4. a urine collection bag; 5. a control module; 6. a detection module; 61. a flow pump; 62. a pH meter; 621. a second pipe tee; 7. a support; 8. a urinary catheter; 81. an outlet port; 82. a water injection soft valve; 83. a water bag.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, an extracorporeal intravesical pressure maintenance apparatus for a urinary catheter, the intravesical pressure maintenance apparatus comprising:
one end of the urine conveying hose 1 is in butt joint communication with the leading-out port 81 of the catheter 8, and the other end of the urine conveying hose 1 is in butt joint communication with the external urine collecting bag 4;
the pressure maintaining module 2 is used for dynamically maintaining the pressure in the bladder and simulating the normal urination process of the bladder, and the pressure maintaining module 2 is arranged at the urine inlet end part of the urine conveying hose 1 in series;
the alarm module 3 is used for prompting the replacement and treatment of the urine collection bag 4, and the alarm module 3 is arranged outside the urine outlet end part of the urine delivery hose 1 and is detachably connected with the urine collection bag 4;
and the control module 5 is used for receiving and processing signals sent by the pressure maintaining module 2 and the alarm module 3, and the control module 5 is respectively connected with the pressure maintaining module 2 and the alarm module 3 through electric wires.
Through the technical scheme, the device is butted with the drainage port 81 of the catheter 8 and is arranged outside a human body, so that the human body is not damaged, a controllable closed environment can be formed, the arranged pressure maintaining module 2 can keep the bladder to be expanded and contracted normally during postoperative care, and the normal physiological function is ensured; the alarm module 3 that sets up can judge whether collection urine bag 4 is full, through sound prompt in order not to forget the clearance.
As shown in fig. 2, the pressure maintaining module 2 includes a one-way valve 21, an injector 22 and an electromagnetic valve 24 sequentially and serially arranged on the ureteral hose 1, wherein one end of the one-way valve 21 is in butt joint communication with a urine inlet port of the ureteral hose 1, and the other end is in butt joint communication with an outlet port 81 of the urinary catheter 8; the needle cylinder of the injector 22 is communicated with the urine hose 1, a return spring 23 is sleeved on a piston core rod of the injector 22, one end of the return spring 23 is connected with the needle cylinder of the injector 22, and the other end of the return spring is connected with a piston handle of the injector 22; the electromagnetic valve 24 is connected with the control module 5 through an electric wire, the electromagnetic valve 24 is provided with a photoelectric switch 25, the photoelectric switch 25 is used for detecting and obtaining an elongation signal that the plunger rod of the injector 22 is pushed out through the pressure in the bladder and feeding back the elongation signal to the control module 5, and the control module 5 receives the signal transmitted by the photoelectric switch 25 to control the opening and closing of the electromagnetic valve 24.
By adopting the technical scheme, the injector 22 is matched with the return spring 23, so that the urine in the bladder can be drained out after the pressure of the bladder reaches a certain degree, and the normal urination process of the bladder is simulated; urine in the bladder enters the device through the catheter 8, and the one-way valve 21 is arranged between the catheter 8 and the device, so that the urine can only flow in one way, and the backflow is avoided; when urine in the bladder continuously accumulates, as the bladder is communicated with the injector 22, the pressure intensity is the same, the pressure intensity in the injector 22 can be controlled by controlling the pushing force and the length of the piston core rod of the injector 22 through the return spring 23, and the pressure intensity in the bladder is controlled; the photoelectric switch 25 is arranged to detect the length of the plunger rod of the injector 22 pushed out, when the length reaches a preset value, the control module 5 opens the electromagnetic valve 24, the plunger rod of the injector 22 is pulled by the return spring 5 to recover, and the urine in the injector 22 and the bladder flows to the urine collection bag 4 through the electromagnetic valve 24; the whole process is reasonable in design, external power does not need to be utilized, and energy is saved.
Preferably, an emergency stop switch is provided, which is pressed to open the solenoid valve 24 when an emergency situation occurs in the control module 5, and the solenoid valve 24 is no longer controlled by the control module 5.
Through the technical scheme, the damage to the human body caused by the fact that the bladder is full of urine due to the fact that the electromagnetic valve 24 is not opened for a long time can be prevented.
As shown in fig. 1, the alarm module 3 includes a spring scale 31, a travel switch 32 and a buzzer 33, the spring scale 31 is vertically suspended by a support 7, the urine collection bag 4 is detachably suspended on a hook of the spring scale 31, the travel switch 32 is arranged on the support 7, the travel switch 32 is located right below a movable end of the spring scale 31, the travel switch 32 is connected with the control module 5 through an electric wire, and the buzzer 33 is arranged on the control module 5; when collection urine bag 4 collects full urine, spring balance 31 expansion end touches travel switch 32, control module 5 gathers travel switch 32's signal, drive bee calling organ 33 sends out alarm sound, the suggestion is handled collection urine bag 4 as early as possible.
Through the technical scheme, the spring scale 31 and the travel switch 32 are arranged, when the urine collection bag 4 collects urine fully, the movable end of the spring scale 31 is driven to sink under the action of weight, the travel switch 32 is triggered to act, and the control module 5 drives the buzzer 33 to give out an alarm sound; the whole process is reasonable in design and easy to operate.
Preferably, the control module 5 is implemented using an Arduino motherboard and is powered by a rechargeable lithium battery.
By adopting the technical scheme, the required control function can be realized by adopting the Arduino mainboard through simple and easily learned graphical programming; the lithium battery does not need an external power supply to supply power, so that the use is influenced.
As shown in fig. 1, a first tube tee 221 is connected in series and communicated with the urine hose 1, and a syringe of the injector 22 is detachably and hermetically inserted into a vertical port of the first tube tee 221.
Through the technical scheme, the needle cylinder of the injector 22 is detachably and hermetically inserted into the vertical port of the first pipe fitting tee 221, so that the pressure intensity is not influenced, and the injector 22 can be conveniently replaced.
As shown in fig. 1, the pressure maintaining device in bladder further comprises a detecting module 6, wherein the detecting module 6 is positioned between the pressure maintaining module 2 and the urine collecting bag 4 and is communicated with the urine conveying hose 1 in series; the detection module 6 comprises a flow pump 61 and a PH meter 62, the flow pump 61 is communicated with the urine hose 1 in series, and the flow pump 61 is connected with the control module 5 through an electric wire; the urine hose 1 is provided with a second pipe fitting tee 621 in series connection and communication, and the pH meter 62 is detachably connected with a vertical port of the second pipe fitting tee 621 in an inserting mode.
By the technical scheme, when urine flows through the flow pump 61 and the PH meter 62, the accumulated flow and the PH value of the urine are respectively detected, so that the recording during nursing is facilitated, the re-sampling detection is not needed, and the nursing link is saved; the PH meter 62 is detachably connected with the vertical port of the second three-way pipe 621 in an inserting manner, so that replacement is facilitated.
As shown in fig. 2, the catheter 8 is provided with a soft water filling valve 82 at one end and a water bladder 83 at the other end, and the soft water filling valve 82 is located adjacent to the outlet port 81 of the catheter 8.
Through above-mentioned technical scheme, adopt conventional catheter 8, be convenient for use with this device butt joint.
The working principle of the invention is as follows:
when the device is used, the leading-out end 81 of the placed catheter 8 is connected to the one-way valve 21 of the device, the urine collecting bag 4 is connected to the urine outlet of the device, the power supply of the control module 5 is turned on, the device automatically works, urine in the bladder is slowly filled, the pressure in the bladder is transmitted to the device through the urine conveying hose 1, the pressure in the injector 22 and the pressure in the bladder are always in a dynamic balance process, the piston core rod of the injector 22 is slowly pushed out under the action of the pressure, when a certain elongation is reached, the photoelectric switch 25 is triggered, the control module 5 turns on the electromagnetic valve 24, the urine in the bladder is naturally discharged into the urine collecting bag 4, and the accumulated flow and the PH value are displayed; after a period of time, the electromagnetic valve 24 is closed, the pressure in the bladder is gradually generated again, and the process is repeated; when the urine collection bag 4 is full of urine, the movable end of the spring scale 31 is driven to sink under the action of the weight to trigger the travel switch 32 to act, the control module 5 acquires a signal of the travel switch 32 and drives the buzzer 33 to give an alarm sound to prompt that the urine collection bag 4 is processed as soon as possible; in case of emergency, the emergency stop switch is pressed, the electromagnetic valve 24 is opened unconditionally, and urine is discharged all the time.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An extracorporeal intravesical pressure maintenance device for a urinary catheter, the intravesical pressure maintenance device comprising:
one end of the urine conveying hose (1) is in butt joint communication with the leading-out port (81) of the catheter (8), and the other end of the urine conveying hose (1) is in butt joint communication with an external urine collecting bag (4);
the pressure maintaining module (2) is used for dynamically maintaining the pressure in the bladder and simulating the normal urination process of the bladder, and the pressure maintaining module (2) is serially arranged at the urine inlet end of the urine conveying hose (1);
the alarm module (3) is used for prompting the replacement and treatment of the urine collection bag (4), and the alarm module (3) is arranged on the outer side of the urine outlet end of the urine delivery hose (1) and is detachably connected with the urine collection bag (4);
the control module (5) is used for receiving and processing signals sent by the pressure maintaining module (2) and the alarm module (3), and the control module (5) is respectively connected with the pressure maintaining module (2) and the alarm module (3) through electric wires.
2. An extracorporeal bladder pressure maintenance apparatus for a urinary catheter according to claim 1, wherein: the pressure maintaining module (2) comprises a one-way valve (21), an injector (22) and an electromagnetic valve (24) which are sequentially arranged on the ureteral hose (1) in series, one end of the one-way valve (21) is in butt joint communication with a urine inlet port of the ureteral hose (1), and the other end of the one-way valve is in butt joint communication with a lead-out port (81) of the catheter (8); the needle cylinder of the injector (22) is communicated with the urine conveying hose (1), a return spring (23) is sleeved on a piston core rod of the injector (22), one end of the return spring (23) is connected with the needle cylinder of the injector (22), and the other end of the return spring is connected with a piston handle of the injector (22); the electromagnetic valve (24) is connected with the control module (5) through an electric wire, a photoelectric switch (25) is arranged on the electromagnetic valve (24), the photoelectric switch (25) is used for detecting and obtaining an elongation signal of a piston core rod of the injector (22) pushed out through the pressure in the bladder and feeding back the elongation signal to the control module (5), and the control module (5) controls the opening and closing of the electromagnetic valve (24) by receiving the signal transmitted by the photoelectric switch (25).
3. An extracorporeal bladder pressure maintenance apparatus for a urinary catheter according to claim 1, wherein: the alarm module (3) comprises a spring scale (31), a travel switch (32) and a buzzer (33), the spring scale (31) is vertically suspended through a support (7), a hook of the spring scale (31) is detachably connected with the urine collection bag (4) in a hanging mode, the travel switch (32) is arranged on the support (7), the travel switch (32) is located right below a movable end of the spring scale (31), the travel switch (32) is connected with the control module (5) through an electric wire, and the buzzer (33) is arranged on the control module (5); when collection urine bag (4) collection is full of urine, spring balance (31) expansion end touching travel switch (32), control module (5) are gathered travel switch (32)'s signal, drive bee calling organ (33) send alarm sound, suggestion processing collection urine bag (4) as early as possible.
4. An extracorporeal bladder pressure maintenance apparatus for a urinary catheter according to claim 1, wherein: the control module (5) adopts an Arduino mainboard and is powered by a rechargeable lithium battery.
5. An extracorporeal intravesical pressure maintenance apparatus for a urinary catheter according to claim 2, wherein: the urine conveying hose (1) is serially communicated with a first pipe fitting tee joint (221), and a needle cylinder of the injector (22) is detachably and hermetically inserted into a vertical port of the first pipe fitting tee joint (221).
6. An extracorporeal bladder pressure maintenance apparatus for a urinary catheter according to claim 1, wherein: the pressure maintaining device in the bladder further comprises a detection module (6), wherein the detection module (6) is positioned between the pressure maintaining module (2) and the urine collecting bag (4) and is communicated with the urine conveying hose (1) in series; the detection module (6) comprises a flow pump (61) and a PH meter (62), the flow pump (61) is communicated with the urine hose (1) in series, and the flow pump (61) is connected with the control module (5) through an electric wire; the urine conveying hose (1) is provided with a second pipe fitting tee joint (621) in serial connection and communication, and the PH meter (62) is detachably connected with a vertical port of the second pipe fitting tee joint (621) in an inserting mode.
7. An extracorporeal bladder pressure maintenance device for a urinary catheter according to any one of claims 1 to 6, wherein: one end part of the catheter (8) is provided with a water injection soft valve (82), the other end part of the catheter is provided with a water bag (83), and the water injection soft valve (82) is positioned at a position close to an outlet port (81) of the catheter (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110153162.9A CN112807550A (en) | 2021-02-03 | 2021-02-03 | External bladder internal pressure maintaining device for catheter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110153162.9A CN112807550A (en) | 2021-02-03 | 2021-02-03 | External bladder internal pressure maintaining device for catheter |
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| CN202110153162.9A Pending CN112807550A (en) | 2021-02-03 | 2021-02-03 | External bladder internal pressure maintaining device for catheter |
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| CN204501839U (en) * | 2015-04-02 | 2015-07-29 | 中国人民解放军总医院 | For the saucer of body fluid drainage bag |
| CN207101553U (en) * | 2017-02-27 | 2018-03-16 | 中国医科大学附属盛京医院 | Intelligent pressure catheter |
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Application publication date: 20210518 |