CN210727785U - Auxiliary sampling backwashing device - Google Patents
Auxiliary sampling backwashing device Download PDFInfo
- Publication number
- CN210727785U CN210727785U CN201920963969.7U CN201920963969U CN210727785U CN 210727785 U CN210727785 U CN 210727785U CN 201920963969 U CN201920963969 U CN 201920963969U CN 210727785 U CN210727785 U CN 210727785U
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- valve
- liquid
- sampling
- liquid blocking
- supporting
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Abstract
The utility model relates to an auxiliary sampling back-flushing device. The technical scheme is as follows: the right-hand member of sample valve cavity is equipped with the valve gap through fixing bolt is fixed, the liquid outlet has been seted up at the middle part of valve gap, be equipped with the support step on the inside wall of sample valve cavity, the inside passageway that overflows of having seted up of sample valve cavity, the inside of sample valve cavity is equipped with the fender liquid valve, the left side butt of fender liquid valve is on the step of the inside inlet port department of sample valve cavity, the right side middle part welding of fender liquid valve is equipped with the stay tube, the outside cover of stay tube is equipped with first spring, the one end welding of first spring is on keeping off the liquid valve, the other end welding of first spring is on supporting the step. The beneficial effects are that: need not to break off the drainage tube and can take a sample the chemical examination when taking a sample, avoided cross contamination, avoided the hydrops backward flow to cause the surface of a wound infection, can also carry out the backwash, reuse prevents secondary pollution, improves work efficiency.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to auxiliary sampling back-flushing device.
Background
Negative pressure drainage is a treatment measure after operations of oral and maxillofacial, breast cancer, esophagus, cardia, gastrointestinal tract and the like, and can suck wound exudate and secretion in time by sufficient drainage so as to relieve edema and inhibit bacterial growth; can accelerate the healing of anastomotic stoma and skin wound and prevent various postoperative complications. Both the skin dilator implantation and the breast augmentation of orthopedics department are provided with prostheses, cavities can be formed under the skin of wound surfaces, and effective drainage is needed to reduce effusion, flap necrosis, infection and the like. For patients with empyema, the thoracic cavity pneumatosis and hydrops can be drained as soon as possible, pus can be discharged, the empyema cavity can be eliminated, the lung can be reopened as soon as possible, and the lung function can be recovered. Cervical lymph is cleaned one of the common operations of neck malignant tumor, the wound surface of this operation is great, oozing blood, weeping are more, the negative pressure drainage not only can prevent local hematocele, hydrops effectively, reduce the infection of incision, shorten wound healing time, but also has improved the flap and repaired the defective survival rate of tissue.
In the drainage process, drainage liquid is often required to be sampled and analyzed, the conventional operation is to disconnect a specific container for sampling the drainage tube, the drainage liquid is easy to splash outwards and cause cross infection when the drainage tube is disconnected, in addition, the operation of disconnecting the drainage tube is easy to cause effusion backflow to cause wound infection, and the clinical use risk is higher; in addition, the effusion discharged from the wound surface in different time periods is different, doctors need to observe the effusion in different time periods to determine the illness state of patients, and the disconnection and the connection operation of the drainage tube are complex, time-consuming and labor-consuming.
Disclosure of Invention
The utility model aims at providing an auxiliary sampling back flush device to the above-mentioned defect that prior art exists, need not to break off the drainage tube and can take a sample the chemical examination when taking a sample, avoided cross contamination, avoided the hydrops backward flow to cause the surface of a wound infection, can also carry out the backwash, reuse prevents secondary pollution, improves work efficiency.
The technical scheme is as follows: the utility model discloses a sample valve cavity, support step, fender liquid valve, first spring, stay tube, valve gap, fixing bolt, inlet, liquid outlet have been seted up at the left end middle part of sample valve cavity, the right-hand member of sample valve cavity is equipped with the valve gap through the fixing bolt is fixed, the liquid outlet has been seted up at the middle part of valve gap, be equipped with the support step on the inside wall of sample valve cavity, the inside passageway that overflows of having seted up of the cavity wall of sample valve cavity, the inside of sample valve cavity is equipped with keeps off the liquid valve, the left side butt of keeping off the liquid valve is on the step of the inside inlet department of sample valve cavity, the right side middle part welding of keeping off the liquid valve is equipped with the stay tube, the outside cover of stay tube is equipped with first spring, the one end welding of first spring is on keeping off the liquid valve, the other end welding.
The inlet is formed in the end part of the right end of the supporting tube, the upper side and the lower side of the end part of the right end of the supporting tube are connected with a liquid blocking plug through a connecting rod in an integrated mode, the liquid blocking plug is arranged at the outlet of the right end of the overflowing channel in a seat mode, a supporting block is formed in the middle of the inside of the supporting tube in an integrated mode, a liquid blocking valve rod is arranged inside the supporting tube, the liquid blocking valve rod is movably arranged on the right side of the supporting block, the supporting block and the liquid blocking valve rod are connected together through welding two sets of second springs, a through hole enabling the end part of the left end of the liquid blocking valve rod to movably penetrate is formed in the middle of the supporting block, the end part of the right end of the liquid blocking valve rod abuts.
The middle part of the liquid blocking valve is provided with a T-shaped groove, the left end part of the liquid blocking valve rod extends and movably penetrates through the liquid blocking valve to be integrally formed with a blocking block, and the blocking block is sealed at the left end opening of the T-shaped groove.
The upper end and the lower end of the cavity of the sampling valve are provided with drain outlets, a drain passage of the drain outlets is communicated with an overflowing passage, and the outer side end of the drain outlets is in threaded connection with a plug.
An elastic sealing gasket is arranged between the right end of the sampling valve cavity and the valve cover.
The upper side and the lower side of the right end of the supporting pipe are provided with communicating holes, and the communicating holes are provided with radial holes communicated with the overflowing channel relative to the inner side wall of the cavity of the sampling valve.
The utility model has the advantages that: the device is convenient to use, can carry out sampling, testing and analysis without disconnecting the drainage tube during sampling, avoids inconvenience brought to a patient due to spilling during sampling, reduces cross contamination brought to the drainage tube due to repeated disconnection and connection, avoids wound infection caused by effusion backflow due to disconnection of the drainage tube, can carry out sampling and analysis at any time during the drainage process, finds the effusion change condition of the patient in time, and lightens the labor intensity of medical personnel; can carry out the backwash after the sample, make the device can wash the convenient next use of disinfection through normal saline or antiseptic solution, prevent the secondary infection, recycle practices thrift the cost, need not interrupt the drainage process and can realize sample and device washing, improves work efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a state diagram of the utility model during negative pressure sampling;
FIG. 3 is a state diagram of the reverse cleaning of the present invention;
fig. 4 is a schematic structural view of a second embodiment of the present invention;
in the figure: the sampling valve comprises a sampling valve cavity 1, an overflowing channel 1.1, a radial hole 1.2, a supporting step 2, a liquid blocking valve 3, a first spring 4, a supporting pipe 5, a supporting block 6, a second spring 7, a liquid blocking valve rod 8, a connecting rod 9, a liquid blocking plug 10, a valve cover 11, a fixing bolt 12, an elastic sealing gasket 13, a liquid inlet 14, a liquid outlet 15, a sewage discharge outlet 16, a screw plug 17 and a blocking block 18.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The inlet is formed in the end part of the right end of the supporting pipe 5, the upper side and the lower side of the end part of the right end of the supporting pipe 5 are connected with a liquid blocking plug 10 through a connecting rod, the liquid blocking plug 10 is seated at the outlet of the right end of the overflowing channel 1.1, a supporting block 6 is integrally formed in the middle of the inside of the supporting pipe 5, a liquid blocking valve rod 8 is arranged in the supporting pipe 5, the liquid blocking valve rod 8 is movably arranged on the right side of the supporting block 6, the supporting block 6 and the liquid blocking valve rod 8 are connected together through welding two groups of second springs 7, a through hole through which the end part of the left end of the liquid blocking valve rod 8 movably penetrates is formed in the middle of the supporting block 6, the end part of the right end of the liquid blocking valve rod 8 abuts against the inlet of the end part of the right end of the supporting pipe.
The upper end and the lower end of the sampling valve cavity 1 are provided with drain outlets 16, a drain passage of the drain outlet 16 is communicated with an overflowing passage 1.1, the outer side end of the drain outlet 16 is in threaded connection with a plug 17, and accumulated liquid can be prevented from directly flowing away from the drain outlet when sampling is carried out by the plug.
The cushion between the right-hand member of above-mentioned sample valve cavity 1 and valve gap 11 is equipped with the elastic sealing pad 13, seals the sample valve cavity, prevents that gas leakage from leading to the not enough unable sample of atmospheric pressure, has also avoided the hydrops outflow to cause the pollution.
Intercommunicating pores are arranged on the upper side and the lower side of the right end of the supporting tube 5, and radial holes 1.2 communicated with the overflowing channel 1.1 are arranged on the inner side wall of the intercommunicating pores relative to the sampling valve cavity 1.
The utility model discloses a working process is: the liquid outlet is connected with a negative pressure suction device, when the negative pressure suction device is opened, the cavity of the sampling valve is in a negative pressure state, the liquid blocking valve rod is in a closed state under the action of negative pressure and the elastic force of a second spring, the liquid blocking valve overcomes the friction force and the elastic force of the first spring to move rightwards under the action of the negative pressure, the liquid passing channel is opened, the supporting tube moves through the movement of the liquid blocking valve, and the liquid blocking plug which is sealed at the end part of the liquid passing channel is moved away, so that sample liquid flows out of the liquid passing channel to finish the sampling process; closing the negative pressure suction device, recovering the pressure in the sampling valve cavity to normal, recovering the liquid blocking valve to the original position by the elastic force of the spring, sealing and blocking the end part of the overflowing channel by the liquid blocking and blocking seat, preventing the liquid from flowing back, only opening a screw plug, connecting a waste liquid drainage pipe at a sewage discharge port, connecting the waste liquid drainage pipe with a waste liquid collection box, injecting gas from a liquid outlet, increasing the pressure in the sampling valve cavity, ensuring that the gas cannot directly flow from the overflowing channel because the liquid blocking valve is in a closed state under the action of the elastic force of the first spring and the end part of the right end of the overflowing channel is also in a closed state, so that the gas pushes the liquid blocking valve rod to compress the second spring to move leftwards, and at the moment, the communication hole and the radial hole channel are opened, so that the gas injected into the sampling valve cavity can flow the residual sample liquid in the sampling valve cavity, Radial hole gets into and overflows the passageway, finally makes remaining appearance liquid flow in waste liquid collecting box from the drain discharge, and the disinfection treatment pollution abatement can be carried out alone to exhaust appearance liquid, can also pour into from the exit and use antiseptic solutions such as normal saline to carry out above-mentioned same operation to wash the disinfection to the sample valve cavity, make things convenient for sample next time to continue to use.
The inlet is formed in the end part of the right end of the supporting pipe 5, the upper side and the lower side of the end part of the right end of the supporting pipe 5 are connected with a liquid blocking plug 10 through a connecting rod, the liquid blocking plug 10 is seated at the outlet of the right end of the overflowing channel 1.1, a supporting block 6 is integrally formed in the middle of the inside of the supporting pipe 5, a liquid blocking valve rod 8 is arranged in the supporting pipe 5, the liquid blocking valve rod 8 is movably arranged on the right side of the supporting block 6, the supporting block 6 and the liquid blocking valve rod 8 are connected together through welding two groups of second springs 7, a through hole through which the end part of the left end of the liquid blocking valve rod 8 movably penetrates is formed in the middle of the supporting block 6, the end part of the right end of the liquid blocking valve rod 8 abuts against the inlet of the end part of the right end of the supporting pipe.
The middle of the liquid blocking valve 3 is provided with a T-shaped groove, the left end of the liquid blocking valve rod 8 extends to movably penetrate through the liquid blocking valve 3 to be integrally formed with a blocking block 18, and the blocking block 18 is sealed at the left end opening of the T-shaped groove.
The upper end and the lower end of the sampling valve cavity 1 are provided with drain outlets 16, a drain passage of the drain outlet 16 is communicated with an overflowing passage 1.1, the outer side end of the drain outlet 16 is in threaded connection with a plug 17, and accumulated liquid can be prevented from directly flowing away from the drain outlet when sampling is carried out by the plug.
The cushion between the right-hand member of above-mentioned sample valve cavity 1 and valve gap 11 is equipped with the elastic sealing pad 13, seals the sample valve cavity, prevents that gas leakage from leading to the not enough unable sample of atmospheric pressure, has also avoided the hydrops outflow to cause the pollution.
Intercommunicating pores are arranged on the upper side and the lower side of the right end of the supporting tube 5, and radial holes 1.2 communicated with the overflowing channel 1.1 are arranged on the inner side wall of the intercommunicating pores relative to the sampling valve cavity 1.
The utility model discloses a working process is: the liquid outlet is connected with a negative pressure suction device, when the negative pressure suction device is opened, the cavity of the sampling valve is in a negative pressure state, the liquid blocking valve rod is in a closed state under the action of negative pressure and the elastic force of a second spring, the blocking block is seated on the liquid blocking valve under the action of the elastic force of the second spring, the liquid blocking valve overcomes the friction force and the elastic force of the first spring to move rightwards under the action of the negative pressure, the liquid passing channel is opened, the supporting tube moves through the movement of the liquid blocking valve, and the liquid blocking plug seated at the end part of the liquid passing channel is moved away, so that sample liquid flows out of the liquid passing channel to finish the sampling process; the negative pressure suction device is closed, the pressure in the sampling valve cavity returns to normal, the liquid blocking valve returns to the original position by the elastic force of the spring, the liquid blocking seat is sealed at the end part of the overflowing channel for blocking, liquid backflow is prevented, at the moment, part of sample liquid which is not completely sucked exists in the sampling valve cavity, only the plug needs to be opened, the waste liquid drainage pipe is connected with the waste liquid collection box at the sewage discharge port, then gas is injected from the liquid outlet, the pressure in the sampling valve cavity is increased, the liquid blocking valve is in a closed state under the action of the elastic force of the first spring, the gas cannot directly flow from the overflowing channel when the end part of the right end of the overflowing channel is in a closed state, so that the gas pushes the liquid blocking valve rod to compress the second spring to move leftwards, the liquid blocking valve rod drives the blocking block to move leftwards, the blocking block seat is sealed on the step at, avoided because of keeping off the potential safety hazard that the sealed not tight hydrops refluence of liquid valve caused, at this moment, the intercommunicating pore, radial hole passageway is opened, gaseous sample liquid that remains in with the sample valve cavity body that flows through the intercommunicating pore to injecting into in the sample valve cavity body, radial hole gets into and overflows the passageway, finally make remaining sample liquid flow into the waste liquid collecting box from the drain discharge, exhaust sample liquid can carry out disinfection treatment pollution abatement alone, can also pour into from the exit and use antiseptic solutions such as normal saline to carry out above-mentioned same operation, thereby wash the disinfection to the sample valve cavity body, the sample continues to use next time conveniently.
The device is convenient to use, can carry out sampling, testing and analysis without disconnecting the drainage tube during sampling, avoids inconvenience brought to a patient due to spilling during sampling, reduces cross contamination brought to the drainage tube due to repeated disconnection and connection, avoids wound infection caused by effusion backflow due to disconnection of the drainage tube, can carry out sampling and analysis at any time during the drainage process, finds the effusion change condition of the patient in time, and lightens the labor intensity of medical personnel; can carry out the backwash after the sample, make the device can wash the convenient next use of disinfection through normal saline or antiseptic solution, prevent the secondary infection, recycle practices thrift the cost, need not interrupt the drainage process and can realize sample and device washing, improves work efficiency.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (6)
1. An auxiliary sampling back-flushing device is characterized in that: comprises a sampling valve cavity (1), a supporting step (2), a liquid blocking valve (3), a first spring (4), a supporting pipe (5), a valve cover (11), a fixing bolt (12), a liquid inlet (14) and a liquid outlet (15), wherein the middle part of the left end of the sampling valve cavity (1) is provided with the liquid inlet (14), the right end of the sampling valve cavity (1) is fixedly provided with the valve cover (11) through the fixing bolt (12), the middle part of the valve cover (11) is provided with the liquid outlet (15), the inner side wall of the sampling valve cavity (1) is provided with the supporting step (2), the inner part of the cavity wall of the sampling valve cavity (1) is provided with an overflowing channel (1.1), the inner part of the sampling valve cavity (1) is provided with the liquid blocking valve (3), the left side of the liquid blocking valve (3) is abutted against the step at the liquid inlet (14) inside the sampling valve cavity (1), the middle part of the right side of the, the outer side of the supporting tube (5) is sleeved with a first spring (4), one end of the first spring (4) is welded on the liquid blocking valve (3), and the other end of the first spring (4) is welded on the supporting step (2).
2. The auxiliary sampling backwashing device of claim 1, wherein: the device comprises a supporting pipe (5), wherein an inlet is formed in the end part of the right end of the supporting pipe (5), the upper side and the lower side of the end part of the right end of the supporting pipe (5) are connected with a liquid blocking plug (10) through connecting rods, the liquid blocking plug (10) is seated at the outlet of the right end of an overflowing channel (1.1), a supporting block (6) is formed in the middle of the inside of the supporting pipe (5), a liquid blocking valve rod (8) is arranged in the supporting pipe (5), the liquid blocking valve rod (8) is movably arranged on the right side of the supporting block (6), the supporting block (6) and the liquid blocking valve rod (8) are connected together through welding two groups of second springs (7), a through hole for enabling the left end part of the liquid blocking valve rod (8) to movably penetrate is formed in the middle of the supporting block (6), the end part of the liquid blocking valve rod (8) is abutted to the inlet of the end part of the supporting pipe (5), and the diameter of the end part of 5) An inner diameter.
3. An auxiliary sampling backwashing device according to claim 2, wherein: the middle part of the liquid blocking valve (3) is provided with a T-shaped groove, the left end of the liquid blocking valve rod (8) extends to movably penetrate through the liquid blocking valve (3) to be integrally formed and is provided with a blocking block (18), and the blocking block (18) is sealed at the left end opening of the T-shaped groove.
4. An auxiliary sampling backwash device as claimed in claim 2 or 3, wherein: and the upper end and the lower end of the sampling valve cavity (1) are provided with drain outlets (16), a drain passage of the drain outlets (16) is communicated with the overflowing passage (1.1), and the outer side end of the drain outlet (16) is in threaded connection with a plug (17).
5. An auxiliary sampling backwash device as claimed in claim 4, wherein: an elastic sealing gasket (13) is arranged between the right end of the sampling valve cavity (1) and the valve cover (11).
6. An auxiliary sampling backwash device as claimed in claim 2 or 3, wherein: the upper side and the lower side of the right end of the supporting tube (5) are provided with communicating holes, and the inner side wall of each communicating hole relative to the sampling valve cavity (1) is provided with a radial hole (1.2) communicated with the overflowing channel (1.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920963969.7U CN210727785U (en) | 2019-06-25 | 2019-06-25 | Auxiliary sampling backwashing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920963969.7U CN210727785U (en) | 2019-06-25 | 2019-06-25 | Auxiliary sampling backwashing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210727785U true CN210727785U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920963969.7U Expired - Fee Related CN210727785U (en) | 2019-06-25 | 2019-06-25 | Auxiliary sampling backwashing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210727785U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695555A (en) * | 2020-12-25 | 2021-04-23 | 刘俊燕 | Paper pulp cooking equipment |
| CN116672520A (en) * | 2023-06-08 | 2023-09-01 | 中国人民解放军总医院第五医学中心 | Piston type anti-blocking multifunctional drainage bag |
| CN116672520B (en) * | 2023-06-08 | 2024-04-26 | 中国人民解放军总医院第五医学中心 | Piston type anti-blocking multifunctional drainage bag |
-
2019
- 2019-06-25 CN CN201920963969.7U patent/CN210727785U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695555A (en) * | 2020-12-25 | 2021-04-23 | 刘俊燕 | Paper pulp cooking equipment |
| CN116672520A (en) * | 2023-06-08 | 2023-09-01 | 中国人民解放军总医院第五医学中心 | Piston type anti-blocking multifunctional drainage bag |
| CN116672520B (en) * | 2023-06-08 | 2024-04-26 | 中国人民解放军总医院第五医学中心 | Piston type anti-blocking multifunctional drainage bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20210625 |