CN209809136U - Drainage device for neurosurgery operation - Google Patents
Drainage device for neurosurgery operation Download PDFInfo
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- CN209809136U CN209809136U CN201920313085.7U CN201920313085U CN209809136U CN 209809136 U CN209809136 U CN 209809136U CN 201920313085 U CN201920313085 U CN 201920313085U CN 209809136 U CN209809136 U CN 209809136U
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- sterilizer
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Abstract
The utility model discloses a drainage device for neurosurgery, which comprises a first valve, a first buffer sterilizer, a second valve, a conduit, a solenoid valve, a vacuum pump, an exhaust pipe, an absorption bottle, a buffer bottle, a third valve, a second buffer sterilizer, a fourth valve, a three-end flow guide pipe and a pressure sensor; the utility model can rapidly detect and control the air pressure, so that stable negative pressure is generated in the buffer bottle, and the parallel buffer sterilizers are used for alternative work, thereby avoiding blockage and eliminating potential safety hazards; the device has the advantages of high reliability, uninterrupted operation and convenient use.
Description
Technical Field
The invention relates to the field of drainage devices, in particular to a drainage device for neurosurgery.
Background
The drainage device is a necessary device in and after the neurosurgery operation, is used for discharging pus, blood, effusion and the like in tissues or cavities to the outside of the body, can balance the internal pressure, prevent infection and accelerate healing because many patients are treated by the drainage device, and the disposable negative pressure suction bag or the mechanical suction device is usually used for draining body fluid to the outside of the body in the current markets at home and abroad, but the negative pressure generated by the traditional mode is unstable, the air tightness is not ideal, and the back flow is easy to cause the secondary infection of the patients; in addition, the existing drainage device is easy to be blocked by bloody pus, and is difficult to be dredged quickly after being blocked, thereby bringing potential safety hazards to patients.
Disclosure of Invention
The invention aims to provide a drainage device for neurosurgery.
In order to achieve the purpose, the technical solution of the invention is as follows: a drainage device for neurosurgery comprises a first valve, a first buffer sterilizer, a second valve, a guide pipe, an electromagnetic valve, a vacuum pump, an exhaust pipe, an absorption bottle, a buffer bottle, a third valve, a second buffer sterilizer, a fourth valve, a three-end guide pipe and a pressure sensor.
The buffer bottle is provided with a pressure sensor, the pressure sensor is electrically connected with an electric controller, the buffer bottle is connected with an electromagnetic valve through a guide pipe, the other end of the electromagnetic valve is connected with a liquid inlet of a vacuum pump through the guide pipe, a liquid outlet of the vacuum pump is connected with an absorption bottle through the guide pipe, the absorption bottle is provided with an exhaust pipe, the buffer bottle is further connected with a second valve and a fourth valve through the guide pipe respectively, the other end of the second valve is connected with a first buffering sterilizer through the guide pipe, the other end of the first buffering sterilizer is connected with a first valve, the other end of the fourth valve is connected with a second buffering sterilizer through the guide pipe, the other end of the second buffering sterilizer is connected with a third valve, the other port of the third valve is connected with a first port of a three-port guide pipe, the other port of the first valve is connected with a second port of the three-port guide.
The drainage device for the neurosurgery operation further comprises an electric controller, wherein the electric controller comprises a signal conditioning unit, an A/D conversion unit, a single chip microcomputer, an expansion parallel port, a first output relay, a second output relay, an acousto-optic alarm unit and a touch screen; the pressure sensor is electrically connected with the signal conditioning unit, the signal conditioning unit is electrically connected with the A/D conversion unit, the single chip microcomputer is electrically connected with the A/D conversion unit, the touch screen is electrically connected with the single chip microcomputer, the parallel expansion port is electrically connected with the first output relay and the second output relay respectively, the first output relay is electrically connected with the electromagnetic valve, the second output relay is electrically connected with the vacuum pump, and the sound and light alarm unit is electrically connected with the single chip microcomputer.
The working principle of the invention is as follows: when the device is used, a third port of a three-port flow guide tube is connected with an operation flow guide cannula, a power supply is connected, the device is clicked to enter a touch screen interface, the organ operation type and a threshold air pressure value in a buffer bottle are selected, a first valve and a second valve are respectively opened, a third valve and a fourth valve are respectively closed, a first buffer sterilizer carries out pre-stage sterilization, filtration and isolation treatment on liquid in a passing patient cavity, a pressure sensor collects air pressure signals in the buffer bottle, the air pressure signals are processed by a signal conditioning unit and converted by an A/D conversion unit and then are output to a single chip microcomputer, the single chip microcomputer displays the pressure value through the touch screen, the single chip microcomputer detects the air pressure in the buffer bottle once every 30s through the pressure sensor and dynamically controls a vacuum pump to drain body fluid so as to ensure stable negative pressure in the bottle, and when the air pressure in an air pressure detection container is greater than the set threshold, the body fluid is transmitted to a first output relay through the expanded parallel port, the first output relay is connected with a power supply, the electromagnetic valve is opened, the single chip microcomputer simultaneously sends out a starting instruction, the starting instruction is transmitted to a second output relay through the expanded parallel port, the second output relay is connected with the power supply, the vacuum pump works to prevent the instantaneous backflow phenomenon, and the body fluid is injected into the absorption container; the absorption container effectively absorbs body fluid from the buffer scale container and neutralizes acidity, and the exhaust pipe is used for preventing the internal pressure of the absorption container from being excessively large. When the first buffer sterilizer is blocked, the third valve and the fourth valve are respectively opened, then the first valve and the second valve are respectively closed, the liquid in the cavity of the patient passing through the second buffer sterilizer is subjected to pre-stage sterilization, filtration and isolation treatment, and the drainage is continued, and if necessary, the first buffer sterilizer or the second buffer sterilizer can be replaced, and the first buffer sterilizer and the second buffer sterilizer can alternately work.
The beneficial effects of the invention are: the invention can quickly detect and control the air pressure, so that stable negative pressure is generated in the buffer bottle, and the parallel buffer sterilizers are used for alternately working, thereby avoiding blockage and eliminating potential safety hazards; the device has the advantages of high reliability, uninterrupted operation and convenient use.
Drawings
The invention is further described with reference to the following figures and detailed description.
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a block diagram showing the structure of an electrical controller according to the present invention.
In the figure: 1. the device comprises a first valve, a second valve, a first buffer sterilizer, a second valve, a first valve, a second valve, a third valve, a fourth valve, a third flow guide pipe, a fourth valve, a.
Detailed Description
As shown in fig. 1, the drainage device for neurosurgery comprises a first valve 1, a first buffer sterilizer 2, a second valve 3, a conduit 4, an electromagnetic valve 5, a vacuum pump 6, an exhaust pipe 7, an absorption bottle 8, a buffer bottle 10, a third valve 11, a second buffer sterilizer 12, a fourth valve 13, a three-end draft tube 14 and a pressure sensor 15; a pressure sensor 15 is arranged on a buffer bottle 10, the pressure sensor 15 is electrically connected with an electric controller 9, the buffer bottle 10 is connected with an electromagnetic valve 5 through a conduit 4, the other end of the electromagnetic valve 5 is connected with a liquid inlet of a vacuum pump 6 through the conduit 4, a liquid outlet of the vacuum pump 6 is connected with an absorption bottle 8 through the conduit 4, the absorption bottle 8 is provided with an exhaust pipe 7, the buffer bottle 10 is also respectively connected with a second valve 3 and a fourth valve 13 through the conduit 4, the other end of the second valve 3 is connected with a first buffer sterilizer 2 through the conduit 4, the other end of the first buffer sterilizer 2 is connected with a first valve 1, the other end of the fourth valve 13 is connected with a second buffer sterilizer 12 through the conduit 4, the other end of the second buffer sterilizer 12 is connected with a third valve 11, the other port of the third valve 11 is connected with a first port of a three-port flow guide pipe 14, the other port of the first valve 1 is connected with a second port of, the third port of the three-port delivery tube 14 is connected with a surgical flow guide cannula;
as shown in fig. 2, the drainage device for neurosurgery further comprises an electric controller 9, wherein the electric controller 9 comprises a signal conditioning unit, an a/D conversion unit, a single chip microcomputer, an expansion parallel port, a first output relay, a second output relay, an audible and visual alarm unit and a touch screen; the pressure sensor is electrically connected with the signal conditioning unit, the signal conditioning unit is electrically connected with the A/D conversion unit, the single chip microcomputer is electrically connected with the A/D conversion unit, the touch screen is electrically connected with the single chip microcomputer, the parallel expansion port is electrically connected with the first output relay and the second output relay respectively, the first output relay is electrically connected with the electromagnetic valve, the second output relay is electrically connected with the vacuum pump, and the sound and light alarm unit is electrically connected with the single chip microcomputer.
Furthermore, the first output relay and the second output relay are relays with the model number of G6RN-1-DC 12V;
the pressure sensor is an X-type silicon pressure sensor;
the single chip microcomputer is of the type STM32F 103;
the touch screen is a capacitive touch screen with the model number of HK70DR 2065;
the expansion parallel port is an expansion parallel port with the model number of EPM 7128;
the A/D conversion unit is an A/D converter unit with the model number of TLC 2543N;
the signal conditioning unit is a conditioning circuit consisting of a preamplifier of type LM224 and an optical coupling isolator of type HCPL-261A.
The acousto-optic alarm unit is an acousto-optic alarm module with the model number of JSM-TC809A 1059.
When in use, the third port of the three-port flow guide tube 14 is connected with the surgical flow guide cannula, the power supply is switched on, the three-port flow guide tube is clicked to enter the touch screen interface, the organ surgical type and the threshold air pressure value in the buffer bottle 10 are selected, the first valve 1 and the second valve 3 are respectively opened, the third valve 11 and the fourth valve 13 are respectively closed, the first buffer sterilizer 2 carries out pre-stage sterilization, filtration and isolation treatment on liquid in the cavity of a passing patient, the pressure sensor 15 acquires an air pressure signal in the buffer bottle 10, the air pressure signal is processed by the signal conditioning unit and converted by the A/D conversion unit and then is transmitted to the singlechip, the singlechip displays the pressure value through the touch screen, the singlechip detects the air pressure in the buffer bottle 10 every 30s through the pressure sensor 15, and dynamically controls the vacuum pump to drain body fluid so as to ensure the stable negative pressure in the bottle, when the air pressure in the air pressure detection, the single chip microcomputer sends a starting instruction, the starting instruction is transmitted to the first output relay through the expanded parallel port, the first output relay is connected with a power supply, the electromagnetic valve 5 is opened, the single chip microcomputer simultaneously sends the starting instruction and is transmitted to the second output relay through the expanded parallel port, the second output relay is connected with the power supply, the vacuum pump 6 works to prevent the instantaneous backflow phenomenon, and body fluid is injected into the absorption container 8; the absorption vessel 8 effectively absorbs body fluid from the buffer scale vessel 11 and neutralizes acidity, and the exhaust pipe 7 serves to prevent an excessive internal pressure of the absorption vessel 8. When the first buffer sterilizer 2 is blocked, the third valve 11 and the fourth valve 13 are respectively opened, then the first valve 1 and the second valve 3 are respectively closed, the liquid in the cavity of the patient passing through is subjected to pre-stage sterilization, filtration and isolation treatment by using the second buffer sterilizer 12, and the drainage is continued, if necessary, the first buffer sterilizer 2 or the second buffer sterilizer 12 can be replaced, and the first buffer sterilizer 2 and the second buffer sterilizer 12 can alternately work.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (2)
1. A drainage ware for neurosurgery, characterized by: the drainage device for neurosurgery comprises a first valve, a first buffer sterilizer, a second valve, a guide pipe, an electromagnetic valve, a vacuum pump, an exhaust pipe, an absorption bottle, a buffer bottle, a third valve, a second buffer sterilizer, a fourth valve, a three-end guide pipe and a pressure sensor;
the buffer bottle is provided with a pressure sensor, the pressure sensor is electrically connected with an electric controller, the buffer bottle is connected with an electromagnetic valve through a guide pipe, the other end of the electromagnetic valve is connected with a liquid inlet of a vacuum pump through a guide pipe, a liquid outlet of the vacuum pump is connected with an absorption bottle through a guide pipe, the absorption bottle is provided with an exhaust pipe, the buffer bottle is also respectively connected with a second valve and a fourth valve through guide pipes, the other end of the second valve is connected with a first buffer sterilizer through a guide pipe, the other end of the first buffer sterilizer is connected with a first valve, the other end of the fourth valve is connected with a second buffer sterilizer through a guide pipe, the other end of the second buffer sterilizer is connected with a third valve, the other port of the third valve is connected with a first port of a three-port flow guide pipe, the other port of the first valve is connected with a second port of the three-port flow;
the drainage device for the neurosurgery operation further comprises an electric controller, wherein the electric controller comprises a signal conditioning unit, an A/D conversion unit, a single chip microcomputer, an expansion parallel port, a first output relay, a second output relay, an acousto-optic alarm unit and a touch screen; the pressure sensor is electrically connected with the signal conditioning unit, the signal conditioning unit is electrically connected with the A/D conversion unit, the single chip microcomputer is electrically connected with the A/D conversion unit, the touch screen is electrically connected with the single chip microcomputer, the parallel expansion port is electrically connected with the first output relay and the second output relay respectively, the first output relay is electrically connected with the electromagnetic valve, the second output relay is electrically connected with the vacuum pump, and the sound and light alarm unit is electrically connected with the single chip microcomputer.
2. A neurosurgical drainage device as claimed in claim 1, wherein: the first output relay and the second output relay are relays with the model number of G6RN-1-DC 12V;
the pressure sensor is an X-type silicon pressure sensor;
the single chip microcomputer is of the type STM32F 103;
the touch screen is a capacitive touch screen with the model number of HK70DR 2065;
the expansion parallel port is an expansion parallel port with the model number of EPM 7128;
the A/D conversion unit is an A/D converter unit with the model number of TLC 2543N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313085.7U CN209809136U (en) | 2019-03-13 | 2019-03-13 | Drainage device for neurosurgery operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313085.7U CN209809136U (en) | 2019-03-13 | 2019-03-13 | Drainage device for neurosurgery operation |
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| Publication Number | Publication Date |
|---|---|
| CN209809136U true CN209809136U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920313085.7U Expired - Fee Related CN209809136U (en) | 2019-03-13 | 2019-03-13 | Drainage device for neurosurgery operation |
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| CN (1) | CN209809136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298209A (en) * | 2019-12-25 | 2020-06-19 | 武汉三鹰生物技术有限公司 | Ascites collecting device, method and application thereof |
-
2019
- 2019-03-13 CN CN201920313085.7U patent/CN209809136U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111298209A (en) * | 2019-12-25 | 2020-06-19 | 武汉三鹰生物技术有限公司 | Ascites collecting device, method and application thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20210313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |