CN205228872U - Hemodialysis sample structure on jar of dispensing - Google Patents
Hemodialysis sample structure on jar of dispensing Download PDFInfo
- Publication number
- CN205228872U CN205228872U CN201520998890.XU CN201520998890U CN205228872U CN 205228872 U CN205228872 U CN 205228872U CN 201520998890 U CN201520998890 U CN 201520998890U CN 205228872 U CN205228872 U CN 205228872U
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- hole
- drug
- discharging tube
- connecting pipe
- solenoid
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Abstract
The utility model discloses a hemodialysis sample structure on jar of dispensing, including setting up play pencil, get it filled ware and the switching circuit on the transfer line of the jar that dispenses. The tip that is located the transfer line that goes out the pencil is provided with the block piece, and the telescopic link can remove in a pencil wall telescopic hole, and the tip that is located telescopic hole of telescopic link is provided with the permanent magnet, is provided with solenoid relatively at telescopic hole's bottom and permanent magnet, is provided with at the tip of keeping away from the transfer line of a pencil and extrudees the hole, and the bottom of extrudeing the hole sets up pressure sensor, it is used for stretching into out the connecting pipe in the pencil to get it filled to be provided with on the ware, the connecting pipe stretch into out behind the pencil with the through -hole intercommunication, on the ware of getting it filled and be located the other press section that is provided with of connecting pipe, the press section is used for the connecting pipe to stretch into out extrusion pressure sensor behind the pencil, the switching circuit includes comparator, switch triode and diode. The beneficial effect of the utility model: adopt no dead space structural connection, and made things convenient for the sampling to detect simultaneously.
Description
Technical field
The utility model relates to haemodialysis field of medical device, particularly relates to the sampling structure on haemodialysis dispensing canister.
Background technology
In prior art, the fluidsupply reservoir that haemodialysis central liquid supply system comprises dispensing canister and is connected with dispensing canister, the function of dispensing canister is mixed by liquid, the function of dispensing canister is that mixed liquid is mixed laggard row cache, liquid in dispensing canister supplies hemo system by woven hose, in the process of supply hemo system, liquid in order to ensure dispensing canister supply hemo system is the concentration needed, real-time sampling detection must be carried out, traditional necessary manual unlocking valve, then extraction liquid is carried out, troublesome poeration.
Utility model content
The purpose of this utility model is to provide the sampling structure on a kind of haemodialysis dispensing canister, have employed without dead space anatomical connectivity, and facilitates sample detecting simultaneously.
The purpose of this utility model realizes by the following technical solutions:
A sampling structure on haemodialysis dispensing canister, comprises the drug discharging tube be arranged on the woven hose of dispensing canister, drug taking device and opening and closing circuit, the through hole being communicated with woven hose is provided with in drug discharging tube, the end being positioned at woven hose of drug discharging tube is provided with the block sheet for opening and closing drug discharging tube, block sheet is provided with the expansion link stretching into drug tube wall, expansion link can move in drug tube wall telescopic hole, the end being positioned at telescopic hole of expansion link is provided with permanent magnet, solenoid is relatively set with in the bottom of telescopic hole and permanent magnet, the end away from woven hose of drug discharging tube is provided with extruded hole, and the bottom of extruded hole arranges pressure transducer, drug taking device is provided with the connecting pipe for stretching in drug discharging tube, connecting pipe is communicated with through hole after stretching into drug discharging tube, and drug taking device is positioned at that connecting pipe is other is provided with press section, and press section is used for connecting pipe and stretches into squeeze pressure sensor after drug discharging tube, opening and closing circuit comprises comparer, switch triode and diode, the first input end of comparer is connected with the output terminal of pressure transducer, the other end ground connection of comparer, when the input of pressure transducer is greater than zero, comparer exports 1v voltage, when the input of pressure transducer equals zero, comparer exports 0v voltage, the base stage of the output terminal connecting valve triode of comparer, the grounded emitter of switch triode, the collector of switch triode connects the negative electrode of diode, the anode of diode is connected with one end of solenoid, the other end of solenoid connects power supply, wherein, the permanent magnet on the energising rear telescopic rod of solenoid repels mutually.During the normal feed flow of the woven hose of dispensing canister, the Action of Gravity Field of block sheet and expansion link, what make block sheet be close to drug discharging tube is positioned on the end of woven hose, therefore liquid can not in woven hose out, the now output of pressure transducer is zero, and comparer exports as 0v voltage, and switch triode is equivalent to switch off state, solenoid is not communicated with power supply, and solenoid does not produce magnetic field, when the connecting pipe of drug taking device is inserted in through hole, press section also extend in extruded hole simultaneously, firmly drug taking device is up pushed up, pressure transducer is squeezed the pressure effect in portion, because the output voltage of pressure transducer is greater than zero, therefore the output of comparer becomes 1v voltage, switch triode is equivalent to switch closed condition, solenoid is energized, solenoid produces the power contrary with permanent magnet, solenoid repels permanent magnet, block sheet is to the end being positioned at woven hose away from drug discharging tube, liquid flows out in drug discharging tube, enter in drug taking device, realization is got it filled.The connection being positioned at the end of woven hose of block sheet and drug discharging tube have employed without dead space anatomical connectivity, and does not need manual unlocking valve simultaneously, facilitates sample detecting.
Preferably, iron core is provided with in solenoid.Iron core is set, when solenoid is not energized, permanent magnet absorption iron core, what block sheet can be made more to be close to drug discharging tube is positioned on the end of woven hose; When solenoid is energized, increase the magnetic field that solenoid produces, increase repulsive force, make block sheet aperture larger.
Owing to have employed technique scheme, the utility model has the following advantages:
The connection being positioned at the end of woven hose of block sheet and drug discharging tube have employed without dead space anatomical connectivity, and only needs the connecting pipe of drug taking device to stretch into through hole simultaneously, and firmly squeeze pressure sensor, does not need manual unlocking valve, facilitate sample detecting.
Accompanying drawing explanation
Fig. 1 is the cut-open view of the sampling structure on the utility model haemodialysis dispensing canister;
Fig. 2 is the circuit diagram of the sampling structure on the utility model haemodialysis dispensing canister.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect clearly and be easy to understand, below in conjunction with the drawings and specific embodiments, the utility model being further elaborated:
As shown in Figure 1, the sampling structure on a kind of haemodialysis dispensing canister, comprises the drug discharging tube 2 be arranged on the woven hose 1 of dispensing canister, drug taking device 3 and opening and closing circuit.
The through hole 21 being communicated with woven hose 1 is provided with in drug discharging tube 2, the end being positioned at woven hose 1 of drug discharging tube 2 is provided with the block sheet 22 for opening and closing drug discharging tube 2, block sheet 22 is provided with the expansion link 23 stretching into drug discharging tube 2 wall, expansion link 23 can move in drug discharging tube 2 wall telescopic hole 26, the end being positioned at telescopic hole 26 of expansion link 23 is provided with permanent magnet 24, solenoid 25 is relatively set with in the bottom of telescopic hole 26 and permanent magnet 24, the end away from woven hose 1 of drug discharging tube 2 is provided with extruded hole 27, and the bottom of extruded hole 27 arranges pressure transducer 28.
Drug taking device 3 is provided with the connecting pipe 31 for stretching in drug discharging tube 2, connecting pipe 31 is communicated with through hole 21 after stretching into drug discharging tube 2, drug taking device 3 is positioned at that connecting pipe 31 is other is provided with press section 32, and press section 32 stretches into squeeze pressure sensor 28 after drug discharging tube 2 for connecting pipe 31.
As shown in Figure 2, opening and closing circuit comprises comparer, switch triode and diode, the first input end of comparer is connected with the output terminal of pressure transducer 28, the other end ground connection of comparer, when the input of pressure transducer 28 is greater than zero, comparer exports 1v voltage, when the input of pressure transducer 28 equals zero, comparer exports 0v voltage, the base stage of the output terminal connecting valve triode of comparer, the grounded emitter of switch triode, the collector of switch triode connects the negative electrode of diode, the anode of diode is connected with one end of solenoid 25, the other end of solenoid 25 connects power supply, wherein, the permanent magnet 24 on the energising rear telescopic rod 23 of solenoid 25 repels mutually.Iron core is provided with in solenoid 25.
Principle of work of the present utility model: during the normal feed flow of the woven hose 1 of dispensing canister, the Action of Gravity Field of block sheet 22 and expansion link 23, block sheet 22 is made to be close on the end being positioned at woven hose 1 of drug discharging tube 2, therefore liquid can not in woven hose 1 out, the now output of pressure transducer 28 is zero, and comparer exports as 0v voltage, and switch triode is equivalent to switch off state, solenoid 25 is not communicated with power supply, and solenoid 25 does not produce magnetic field, when the connecting pipe 31 of drug taking device 3 is inserted in through hole 21, press section 32 also extend in extruded hole 27 simultaneously, firmly drug taking device 3 is up pushed up, pressure transducer 28 is squeezed the pressure effect in portion 32, because the output voltage of pressure transducer 28 is greater than zero, therefore the output of comparer becomes 1v voltage, switch triode is equivalent to switch closed condition, solenoid 25 is energized, solenoid 25 produces the power contrary with permanent magnet 24, solenoid 25 repels permanent magnet 24, block sheet 22 is to the end being positioned at woven hose 1 away from drug discharging tube 2, liquid flows out in drug discharging tube 2, enter in drug taking device 3, realization is got it filled.Block sheet 22 have employed without dead space anatomical connectivity with the connection being positioned at the end of woven hose 1 of drug discharging tube 2, and does not need manual unlocking valve simultaneously, facilitates sample detecting.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (2)
1. the sampling structure on haemodialysis dispensing canister, is characterized in that, comprises the drug discharging tube be arranged on the woven hose of dispensing canister, drug taking device and opening and closing circuit;
The through hole being communicated with woven hose is provided with in drug discharging tube, the end being positioned at woven hose of drug discharging tube is provided with the block sheet for opening and closing drug discharging tube, block sheet is provided with the expansion link stretching into drug tube wall, expansion link can move in drug tube wall telescopic hole, the end being positioned at telescopic hole of expansion link is provided with permanent magnet, solenoid is relatively set with in the bottom of telescopic hole and permanent magnet, the end away from woven hose of drug discharging tube is provided with extruded hole, and the bottom of extruded hole arranges pressure transducer;
Drug taking device is provided with the connecting pipe for stretching in drug discharging tube, connecting pipe is communicated with through hole after stretching into drug discharging tube, and drug taking device is positioned at that connecting pipe is other is provided with press section, and press section is used for connecting pipe and stretches into squeeze pressure sensor after drug discharging tube;
Opening and closing circuit comprises comparer, switch triode and diode, the first input end of comparer is connected with the output terminal of pressure transducer, the other end ground connection of comparer, when the input of pressure transducer is greater than zero, comparer exports 1v voltage, when the input of pressure transducer equals zero, comparer exports 0v voltage, the base stage of the output terminal connecting valve triode of comparer, the grounded emitter of switch triode, the collector of switch triode connects the negative electrode of diode, the anode of diode is connected with one end of solenoid, the other end of solenoid connects power supply,
Wherein, the permanent magnet on the energising rear telescopic rod of solenoid repels mutually.
2. the sampling structure on haemodialysis dispensing canister according to claim 1, is characterized in that, be provided with iron core in solenoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998890.XU CN205228872U (en) | 2015-12-03 | 2015-12-03 | Hemodialysis sample structure on jar of dispensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520998890.XU CN205228872U (en) | 2015-12-03 | 2015-12-03 | Hemodialysis sample structure on jar of dispensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228872U true CN205228872U (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520998890.XU Active CN205228872U (en) | 2015-12-03 | 2015-12-03 | Hemodialysis sample structure on jar of dispensing |
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| Country | Link |
|---|---|
| CN (1) | CN205228872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678740A (en) * | 2020-06-10 | 2020-09-18 | 河海大学 | Device capable of automatically collecting atmospheric sedimentation samples at different time intervals |
-
2015
- 2015-12-03 CN CN201520998890.XU patent/CN205228872U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678740A (en) * | 2020-06-10 | 2020-09-18 | 河海大学 | Device capable of automatically collecting atmospheric sedimentation samples at different time intervals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528451 1st Floor, 1st Floor, 4th Floor, No. 9, Perfect Road, South China Modern Traditional Chinese Medicine City, Nanlang Street, Zhongshan City, Guangdong Province Patentee after: Zhongshan Benshan Medical Technology Co.,Ltd. Address before: Room 7-13, Building 3-1, Longhu Ziducheng, No. 5 Yusong Branch Road, Longshan Street, Yubei District, Chongqing 401120 Patentee before: CHONGQING BENSHAN MEDICAL EQUIPMENT CO.,LTD. |
|
| CP03 | Change of name, title or address |