CN114176552B - Abdominal cavity pressure measuring device with exhaust function - Google Patents
Abdominal cavity pressure measuring device with exhaust function Download PDFInfo
- Publication number
- CN114176552B CN114176552B CN202111621102.1A CN202111621102A CN114176552B CN 114176552 B CN114176552 B CN 114176552B CN 202111621102 A CN202111621102 A CN 202111621102A CN 114176552 B CN114176552 B CN 114176552B
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- Prior art keywords
- pipe
- catheter
- plug
- tube
- cavity
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
- A61B5/036—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs by means introduced into body tracts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/20—Measuring for diagnostic purposes; Identification of persons for measuring urological functions restricted to the evaluation of the urinary system
- A61B5/202—Assessing bladder functions, e.g. incontinence assessment
- A61B5/205—Determining bladder or urethral pressure
Abstract
The invention discloses an abdominal cavity pressure measuring device with an exhaust function, which comprises a catheter, wherein the tail end of the catheter is inserted with an abdominal cavity pressure measuring structure, the abdominal cavity pressure measuring structure comprises an insertion head, an end pipe, a first through pipe, a second through pipe, a drainage pipe and a pressure sensor, the first through pipe is connected with a first injector, and the pressure sensor is connected with a second injector. According to the invention, through the plug connector and the end tube arranged on the abdominal pressure measurement structure, when the on-off valve is opened and the three-way valve is shifted to enable the second through tube to be communicated with the drainage tube, physiological saline in the first syringe can be injected into the plug connector through the first through tube and then enter the end tube and flow into the catheter and flow from the second through tube to the drainage tube, so that air in the catheter can be discharged, the condition that air reserved in the catheter can influence bladder pressure measurement data is prevented, and the accuracy of abdominal pressure measurement is increased.
Description
Technical Field
The invention belongs to the technical field of abdominal pressure measurement, and particularly relates to an abdominal pressure measurement device with an exhaust function.
Background
The abdominal cavity is a closed cavity, any increase in volume of any organ beyond a certain limit can cause intra-abdominal high pressure, and the increased intra-abdominal pressure can cause inter-abdominal compartment syndrome, which leads to dysfunction of various organs, and when nursing a patient, the abdominal pressure of the patient needs to be measured. Currently, there are direct measurement and indirect measurement methods for measuring abdominal pressure, wherein when indirect abdominal measurement is performed on a patient, the abdominal pressure is generally measured indirectly using a bladder pressure detection method.
When the urinary bladder pressure of a patient is measured, the urinary catheter is usually placed into the urethra of the patient, then the physiological saline is injected into the urinary catheter, the pressure of the urinary bladder can be measured by detecting the pressure of the injected physiological saline, so that the abdominal pressure of the patient is indirectly obtained.
Disclosure of Invention
The invention aims to provide an abdominal cavity pressure measuring device with an exhaust function, which is used for solving the problem of inaccurate measurement of abdominal cavity pressure in the prior art.
In order to achieve the above purpose, the invention provides an abdominal pressure measurement device with an exhaust function, which comprises a catheter, wherein one end of the catheter is inserted with an abdominal pressure measurement structure, the abdominal pressure measurement structure comprises an insertion head, a sleeve end pipe, a first through pipe, a second through pipe, a drainage tube and a pressure sensor, the insertion head is inserted with the catheter, the end pipe is sleeved on the insertion head, the second through pipe of the first through pipe is respectively connected with two sides of the insertion head, the drainage tube and the pressure sensor are both connected with the second through pipe, the first through pipe is connected with a first injector, and the pressure sensor is connected with a second injector.
In an embodiment of the invention, a tail seat is integrally formed at one end of the plug, which is far away from the catheter, a long convex end and a short convex end are integrally formed at the other end of the plug, a first through cavity is formed in the long convex end, a second through cavity is formed in the short convex end, the first through cavity and the second through cavity are both communicated into the tail seat, and the first through cavity and the second through cavity are not communicated.
In an embodiment of the present invention, a first connection protruding pipe and a second connection protruding pipe are respectively disposed on two sides of the tailstock, the first connection protruding pipe is communicated with the first through cavity, the second connection protruding pipe is communicated with the second through cavity, the first through pipe is communicated with the first connection protruding pipe, and the second through pipe is communicated with the second connection protruding pipe.
In one embodiment of the invention, the end tube is in a hollow tubular structure, one end of the end tube, which is far away from the plug, is plugged into the catheter, the end part of the end tube is in a closed shape, the tube wall is provided with a plurality of water outlet holes, and the other end of the end tube is sleeved on the long convex end.
In one embodiment of the invention, the first through pipe is connected with a first plug-in end through an on-off valve, and the first injector is plugged with the first plug-in end.
In one embodiment of the present invention, the second through pipe is connected with a three-way valve, and the drainage pipe and the pressure sensor are both connected with the three-way valve.
In one embodiment of the invention, the pressure sensor is connected with a three-way joint, one end of the three-way joint is connected with a second plug-in end, the second injector is plugged with the second plug-in end, and the three-way joint is connected with the other end of the three-way valve.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, through the plug and the end tube arranged on the abdominal pressure measuring structure, when the on-off valve is opened and the three-way valve is shifted to enable the second through tube to be communicated with the drainage tube, physiological saline in the first syringe can be injected into the plug through the first through tube and then enter the end tube and flow into the catheter and flow from the second through tube to the drainage tube, so that air in the catheter can be discharged, the condition that air reserved in the catheter can influence bladder pressure measuring data is prevented, and the accuracy of abdominal pressure measurement is increased.
2. In the invention, when the on-off valve is closed and the three-way valve is shifted to enable the second plug end to be communicated with the drainage tube, physiological saline in the second syringe can be injected into the drainage tube and discharged from the end part of the drainage tube, so that air between the second plug end and the three-way valve is discharged, air reserved in the abdominal pressure measurement structure can be discharged, the condition that air in the abdominal pressure measurement structure influences the measurement of bladder pressure is prevented, and the accuracy of abdominal pressure measurement is further increased.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a block diagram of an abdominal cavity pressure measurement structure in accordance with the present invention;
FIG. 3 is a schematic view of the installation of an end tube according to the present invention;
FIG. 4 is a cross-sectional view of a connector of the present invention;
FIG. 5 is a schematic illustration of the flow of saline exiting a catheter in accordance with the present invention;
FIG. 6 is a flow chart of physiological saline in the present invention when the remaining air in the abdominal cavity pressure measuring structure is exhausted;
FIG. 7 is a schematic diagram showing the flow of physiological saline when the physiological saline is injected into the bladder in the present invention.
Reference numerals illustrate:
1-a urinary catheter; 2-abdominal pressure measurement structure; 21-a plug; 211-tailstock; 212-long convex ends; 2121-a first through cavity; 213-short convex ends; 2131-a second lumen; 214-a first connecting male pipe; 215-a second connecting male tube; 22-end tube; 221-water outlet holes; 23-a first tube; 231-opening and closing the valve; 232-a first plug end; 24-a second through pipe; 241-three-way valve; 25-drainage tube; 26-a pressure sensor; 261-three-way joint; 262-a second plug end; 3-a first syringe; 4-a second syringe.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
Referring to fig. 1-7, the abdominal pressure measuring device with the exhaust function comprises a catheter 1, wherein the tail end of the catheter 1 is inserted with an abdominal pressure measuring structure 2, the abdominal pressure measuring structure 2 comprises an insertion joint 21, an end pipe 22, a first through pipe 23, a second through pipe 24, a drainage tube 25 and a pressure sensor 26, the insertion joint 21 is inserted with the catheter 1, the end pipe 22 is sleeved on the insertion joint 21, the first through pipe 23 and the second through pipe 24 are respectively connected with two sides of the insertion joint 21, the drainage tube 25 and the pressure sensor 26 are both connected with the second through pipe 24, the first through pipe 23 is connected with a first injector 3, the pressure sensor 26 is connected with a second injector 4, and the installation work of the abdominal pressure measuring structure 2 can be completed by installing the catheter 1 into the urethra of a patient and inserting the insertion joint 21 into the end part of the catheter 1.
In the invention, a tail seat 211 is integrally formed at one end of a plug connector 21, a long convex end 212 and a short convex end 213 are integrally formed at the other end of the plug connector 21, a first through cavity 2121 is formed in the long convex end 212, a second through cavity 2131 is formed in the short convex end 213, the first through cavity 2121 and the second through cavity 2131 are communicated into the tail seat 211, the first through cavity 2121 and the second through cavity 2131 are complementary and identical, and when the plug connector 21 is inserted into the end part of a catheter 1, the long convex end 212 and the short convex end 213 extend into the catheter 1.
Specifically, the two sides of the tailstock 211 are integrally formed with a first connecting convex pipe 214 and a second connecting convex pipe 215, the first connecting convex pipe 214 is communicated with the first through cavity 2121, the second connecting convex pipe 215 is communicated with the second through cavity 2131, the first through pipe 23 is connected with the first connecting convex pipe 214, the long convex end 212 is communicated with the first through pipe 23, the second through pipe 2 is connected with the second connecting convex pipe 215, and the short convex end 213 is communicated with the second through pipe 24, so that the first through pipe 23 and the second through pipe 24 can be communicated with the catheter 1 through the plug 21.
Further, the end tube 22 is in a hollow tubular structure, one end of the end tube 22 far away from the plug-in connector 21 is plugged into the interior of the catheter 1, the end is in a closed shape, a plurality of water outlet holes 221 are formed in the peripheral surface, the other end of the end tube 22 is sleeved on the long convex end 212, the first through tube 23 is connected with an on-off valve 231, the on-off valve 231 is connected with a first plug-in end 232, the head of the first injector 3 is plugged with the first plug-in end 232, when the on-off valve 231 is opened and the first injector 3 is plugged into the first plug-in end 232, physiological saline can be injected into the plug-in connector 21 through the first through tube 23, so that the physiological saline can enter the end tube 22 and flow into the catheter 1 from the water outlet holes 221, and as the head of the end tube 22 can extend into the head of the catheter 1, the physiological saline flowing out of the water outlet holes 221 can gradually fill the catheter 1 from the head of the catheter 1, so that air in the catheter 1 is extruded by the physiological saline, and the purpose of discharging air in the catheter 1 is achieved.
The second through pipe 24 is connected with a three-way valve 241, the drainage tube 25 and the pressure sensor 26 are both connected with the three-way valve 241, when the three-way valve 241 is shifted to enable the second through pipe 24 to be communicated with the drainage tube 25, physiological saline injected along with the first syringe 3 enters the catheter 1, so that the physiological saline in the catheter 1 can flow into the second through pipe 24 through the short convex end 213, finally the physiological saline can be discharged from the drainage tube 25, the purpose of discharging air in the catheter 1, which is discharged by the physiological saline, is achieved, and when the on-off valve 231 is opened and the three-way valve 241 is shifted to enable the second through pipe 24 to be communicated with the drainage tube 25, the physiological saline in the first syringe 3 can be injected into the plug-in end 232 through the first through pipe 23, then enters the end pipe 22 and flows into the catheter 1 and flows from the second through pipe 24 to the drainage tube 25, so that the air in the catheter 1 is discharged.
The pressure sensor 26 is connected with a three-way joint 261, one end of the three-way joint 261 is connected with a second plug-in end 262, the head of the second syringe 4 can be inserted into the second plug-in end 262, the three-way joint 261 is connected with a three-way valve 241, when the on-off valve 231 is closed and the three-way valve 241 is shifted to enable the second plug-in end 262 to be communicated with the drainage tube 25, physiological saline in the second syringe 4 can be injected into the drainage tube 25 and discharged from the end of the drainage tube 25 through inserting the second syringe 4 into the second plug-in end 262, and air between the second plug-in end 262 and the three-way valve 241 is discharged.
After the air in the catheter 1 and the abdominal pressure measuring structure 2 is exhausted, the on-off valve 231 is closed and the three-way valve 241 is shifted to enable the second plugging end 262 to be communicated with the second through tube 24, and at this time, the second syringe 4 is continuously used for injecting physiological saline, so that the physiological saline can be injected into the plugging end 21 along the second through tube 24 and into the catheter 1 through the short convex end 213, so that the physiological saline can be injected into the bladder, and the pressure sensor 26 can be used for measuring the bladder pressure to indirectly measure the abdominal pressure.
The invention relates to an abdominal cavity pressure measuring device with an exhaust function, which specifically comprises the following working principles:
firstly, the on-off valve 231 is opened and the three-way valve 241 is shifted, after the second through pipe 24 is communicated with the drainage tube 25, the physiological saline is injected from the first plug end 232 by using the first injector 3, namely, the physiological saline is injected into the plug 21 through the first through pipe 23 and then enters into the end pipe 22 and flows into the catheter 1 and flows into the drainage tube 25 from the second through pipe 24, the purpose of exhausting the air in the catheter 1 is achieved, then the on-off valve 231 is closed and the three-way valve 241 is shifted, after the second plug end 262 is communicated with the drainage tube 25, the physiological saline is injected from the second plug end 262 by using the second injector 4, the physiological saline is injected into the drainage tube 25 and is exhausted from the end part of the drainage tube 25, the air between the second plug end 262 and the three-way valve 241 is exhausted, the purpose of expelling the residual air in the abdominal cavity pressure measurement structure 2 is achieved, finally, the on-off valve 231 is closed, the three-way valve 241 is shifted to enable the second plug end 262 to be communicated with the second through pipe 24, at the moment, the second injector 4 is continuously used for injecting normal saline, the normal saline can be injected into the plug 21 along the second through pipe 24 and into the catheter 1 through the short convex end 213, the normal saline can be injected into the bladder, the pressure sensor 26 is used for measuring the bladder pressure, so as to indirectly measure the abdominal cavity pressure, and the measured bladder pressure data can reflect the real pressure of the bladder of a patient due to the fact that the air in the catheter 1 and the abdominal cavity pressure measurement structure 2 are expelled in advance by the normal saline, so that errors generated in abdominal cavity pressure measurement of the patient are reduced.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (2)
1. An abdominal cavity pressure measuring device with exhaust function, which is characterized in that: the novel catheter comprises a catheter (1), wherein one end of the catheter (1) is inserted with an abdominal pressure measurement structure (2), the abdominal pressure measurement structure (2) comprises an insertion joint (21), an end pipe (22), a first through pipe (23), a second through pipe (24), a drainage pipe (25) and a pressure sensor (26), the insertion joint (21) is inserted with the catheter (1), the end pipe (22) is sleeved on the insertion joint (21), the first through pipe (23) and the second through pipe (24) are respectively connected with two sides of the insertion joint (21), the drainage pipe (25) and the pressure sensor (26) are connected with the second through pipe (24), a first injector (3) is connected onto the first through pipe (23), and a second injector (4) is connected onto the pressure sensor (26);
the catheter comprises a catheter body, a plug connector (21), a tail seat (211) and a long convex end (212) and a short convex end (213) which are integrally formed at one end of the plug connector (21) far away from the catheter body (1), wherein a first through cavity (2121) is formed in the long convex end (212), a second through cavity (2131) is formed in the short convex end (213), the first through cavity (2121) and the second through cavity (2131) are both communicated into the tail seat (211), and the first through cavity (2121) and the second through cavity (2131) are not communicated;
the end tube (22) is of a hollow tubular structure, one end of the end tube (22) far away from the plug-in connector (21) is plugged into the catheter (1), the end part of the end tube is in a closed shape, a plurality of water outlet holes (221) are formed in the tube wall, and the other end of the end tube (22) is sleeved on the long convex end (212);
the first through pipe (23) is connected with a first plug-in end (232) through an on-off valve (231), and the first injector (3) is plugged with the first plug-in end (232);
the second through pipe (24) is connected with a three-way valve (241), and the drainage pipe (25) and the pressure sensor (26) are connected with the three-way valve (241);
the pressure sensor (26) is connected with a three-way joint (261), one end of the three-way joint (261) is connected with a second plug-in end (262), the second injector (4) is plugged with the second plug-in end (262), and the three-way joint (261) is connected with the other end of the three-way valve (241);
the physiological saline is injected from the first plug-in end (232) by using the first injector (3), namely the physiological saline can be injected into the plug-in connector (21) through the first through pipe (23) and then enters the end pipe (22), flows into the catheter (1) and flows into the drainage pipe (25) from the second through pipe (24), so that the aim of exhausting the air in the catheter (1) is fulfilled;
after the opening and closing valve (231) is closed and the three-way valve (241) is shifted to enable the second plug-in end (262) to be communicated with the drainage tube (25), the second injector (4) is used for injecting normal saline from the second plug-in end (262), the normal saline can be injected into the drainage tube (25) and discharged from the end part of the drainage tube (25), and air between the second plug-in end (262) and the three-way valve (241) is discharged, so that the purpose of exhausting residual air in the abdominal cavity pressure measuring structure (2) is achieved;
the on-off valve (231) is closed, the three-way valve (241) is shifted to enable the second plug-in end (262) to be communicated with the second through pipe (24), at the moment, the second injector (4) is continuously used for injecting normal saline, the normal saline can be injected into the plug-in connector (21) along the second through pipe (24) and is injected into the catheter (1) through the short convex end (213), so that the normal saline can be injected into the bladder, and the pressure sensor (26) is used for measuring the bladder pressure.
2. The abdominal pressure measuring device with a degassing function as set forth in claim 1, wherein: the two sides of the tailstock (211) are respectively provided with a first connecting convex pipe (214) and a second connecting convex pipe (215), the first connecting convex pipe (214) is communicated with the first through cavity (2121), the second connecting convex pipe (215) is communicated with the second through cavity (2131), the first through pipe (23) is communicated with the first connecting convex pipe (214), and the second through pipe (24) is communicated with the second connecting convex pipe (215).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621102.1A CN114176552B (en) | 2021-12-28 | 2021-12-28 | Abdominal cavity pressure measuring device with exhaust function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621102.1A CN114176552B (en) | 2021-12-28 | 2021-12-28 | Abdominal cavity pressure measuring device with exhaust function |
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| Publication Number | Publication Date |
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| CN114176552A CN114176552A (en) | 2022-03-15 |
| CN114176552B true CN114176552B (en) | 2023-10-03 |
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| CN202111621102.1A Active CN114176552B (en) | 2021-12-28 | 2021-12-28 | Abdominal cavity pressure measuring device with exhaust function |
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| CN215084043U (en) * | 2021-01-18 | 2021-12-10 | 彭绍鹏 | Air exhaust type balloon catheter kit for brain surgery |
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| US8052671B2 (en) * | 2004-10-11 | 2011-11-08 | Abviser Medical, Llc | Intra-abdominal pressure monitoring device and method |
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| CN114176552A (en) | 2022-03-15 |
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