CN205568962U - Anti -pollution needle of drawing blood of surgery - Google Patents
Anti -pollution needle of drawing blood of surgery Download PDFInfo
- Publication number
- CN205568962U CN205568962U CN201620213384.XU CN201620213384U CN205568962U CN 205568962 U CN205568962 U CN 205568962U CN 201620213384 U CN201620213384 U CN 201620213384U CN 205568962 U CN205568962 U CN 205568962U
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- CN
- China
- Prior art keywords
- cylinder
- syringe
- sealing
- plug
- way valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an anti -pollution needle of drawing blood of surgery, including cylinder and sealing plug, the cylinder is a cylindrical section of thick bamboo, and cylinder one end is the opening form, the cylinder inside be equipped with with laminating of cylinder inner wall and sliding connection's piston, the piston is cylindrically, is equipped with the connecting rod in piston central authorities, the connecting rod other end stretches out the cylinder outside and installs the handle, blind end the place ahead of cylinder is equipped with the three -way valve, three -way valve one end and cylinder are inside to be linked together, and the other both ends of three -way valve are connected with exhaust duct and admission line respectively, exhaust duct and cylinder are orthogonal, are equipped with first check valve in exhaust duct, are equipped with sealed lid at the exhaust duct top, and this device structure is ingenious, avoids cylinder and blood direct contact, avoid polluting, consequently can used repeatedly, reduce the cost, and through the setting of three -way valve, first check valve and second check valve, guarantee to carry on the lasting negative pressure of the in vitro among the blood collection operation, assurance blood capacity taken, convenient to use.
Description
Technical field
This utility model relates to medical apparatus and instruments, specifically a kind of anti-pollution bloodletting needle of surgery.
Background technology
When surgery carries out treatment diagnosis, it is frequently necessary to patient gather blood sample to determine that patient is with or without other diseases etc., the blood taking instrument of hospital is disposable blood taking needle mostly now, when taking a blood sample, blood is internal with syringe directly contacts, cannot be carried out reusing, thus use cost is higher, if and when running into the situation needing to take a blood sample in a large number or same patient is repeatedly taken a blood sample, it is accomplished by using multiple disposable blood taking needle, disposable blood taking needle is after a procedure, can only being collected destroying, if processing incorrect, event can be polluted.
Utility model content
The purpose of this utility model is to provide a kind of anti-pollution bloodletting needle of surgery, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of anti-pollution bloodletting needle of surgery，Including syringe and sealing-plug，Described syringe is cylindrical tube，Syringe one end is opening-like，The piston fitted with syringe inwall and be slidably connected it is provided with inside syringe，Described piston is cylinder，It is provided with connecting rod at its centre，The described connecting rod other end stretches out syringe outside and is provided with handle，The blind end front of described syringe is provided with three-way valve，Described three-way valve one end is connected with inside syringe，The other two ends of three-way valve are connected to discharge duct and admission line，Described discharge duct is orthogonal with syringe，The first check valve it is provided with in discharge duct，Sealing lid it is provided with at discharge duct top，Described sealing lid is sleeved on discharge duct top and sealing lid is threadeded with discharge duct，Described admission line is L-shaped，The second check valve it is provided with in admission line，Sealing-plug body is run through in admission line lower end，Described sealing-plug is coniform in close up downwards，Sealing-plug is additionally provided with through hole，Described through hole runs through sealing-plug body，It is equipped with adsorptive pads at the upper and lower two ends of through hole，Described adsorptive pads is flexibly connected with sealing-plug.
As further program of the utility model: described piston is made up of elastomeric material.
Compared with prior art, the beneficial effects of the utility model are: this apparatus structure is ingenious, syringe is avoided directly to contact with blood, it is to avoid to pollute, therefore can reuse, reduce cost, by three-way valve, the first check valve and the setting of the second check valve, it is ensured that carry out the invisible spectro continuous negative pressure in blood collection procedure, it is ensured that blood sampling volume, easy to use, pollute little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
1-syringe in figure, 2-piston, 3-handle, 4-three-way valve, 5-discharge duct, 6-the first check valve, 7-seals lid, 8-admission line, 9-the second check valve, 10-sealing-plug, 11-adsorptive pads.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of anti-pollution bloodletting needle of surgery，Including syringe 1 and sealing-plug 10，Described syringe 1 is cylindrical tube，Syringe 1 one end is opening-like，The piston 2 fitted with syringe 1 inwall and be slidably connected it is provided with inside syringe 1，Described piston 2 is in cylinder，At piston 2, central authorities are provided with connecting rod，The described connecting rod other end stretches out syringe 1 outside and is provided with handle 3，The blind end front of described syringe 1 is provided with three-way valve 4，Described three-way valve 4 one end is internal with syringe 1 to be connected，The other two ends of three-way valve 4 are connected to discharge duct 5 and admission line 8，Described discharge duct 5 is orthogonal with syringe 1，The first check valve 6 it is provided with in discharge duct 5，Sealing lid 7 it is provided with at discharge duct 5 top，Described sealing lid 7 is sleeved on discharge duct 5 top and sealing lid 7 is threadeded with discharge duct 5，Described admission line 8 is L-shaped，The second check valve 9 it is provided with in admission line 8，Sealing-plug 10 body is run through in admission line 8 lower end，Described sealing-plug 10 is coniform in close up downwards，Sealing-plug 10 is made up of elastomeric material，Sealing-plug 10 is additionally provided with through hole，Described through hole runs through sealing-plug 10 body，It is equipped with adsorptive pads 11 at the upper and lower two ends of through hole，Described adsorptive pads 11 is flexibly connected with sealing-plug 10；
nullWhen using this device to carry out blood collection，Sealing-plug 10 is fixed on test tube，And the disposable aspiration needle with guiding tube is inserted in the through hole on sealing-plug 10，After syringe needle inserts blood vessel，Pull back handle 3，Piston 2 is slided along syringe 1 inwall，First check valve 6 is closed，Second check valve 9 is opened，Invisible spectro air enters in syringe 1，Negative pressure is produced in test tube，And then make blood enter in test tube，When trying overpressure reduction，Open sealing lid 7 and promote handle 3，Make piston 2 along syringe 1 inwall slid inward，First check valve 6 is opened，Second check valve 9 is closed，Air in syringe 1 is discharged from discharge duct 5，After air discharge in syringe 1 terminates，Sealing lid 7 is reinstalled on discharge duct 5，Repeat to pull back handle 3 and carry out work of taking a blood sample，During blood sampling，Admission line 8 and syringe 1 internal all without with contacting blood，Avoid polluting，Therefore can reuse，Reduce cost，When disposable aspiration needle is removed from sealing-plug 10，Blood on guiding tube can be drawn by adsorptive pads 11，Blood is avoided to contact with sealing-plug 10，Reduce pollution further.
Operation principle of the present utility model is: this apparatus structure is ingenious, syringe 1 is avoided directly to contact with blood, avoid polluting, therefore can reuse, reduce cost, by three-way valve the 4, first check valve 6 and the setting of the second check valve 9, ensure the invisible spectro continuous negative pressure carrying out in blood collection procedure, ensure blood sampling volume, easy to use, pollute little.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (2)
- null1. the anti-pollution bloodletting needle of surgery，Including syringe and sealing-plug，It is characterized in that，Described syringe is cylindrical tube，Syringe one end is opening-like，The piston fitted with syringe inwall and be slidably connected it is provided with inside syringe，Described piston is cylinder，It is provided with connecting rod at its centre，The described connecting rod other end stretches out syringe outside and is provided with handle，The blind end front of described syringe is provided with three-way valve，Described three-way valve one end is connected with inside syringe，The other two ends of three-way valve are connected to discharge duct and admission line，Described discharge duct is orthogonal with syringe，The first check valve it is provided with in discharge duct，Sealing lid it is provided with at discharge duct top，Described sealing lid is sleeved on discharge duct top and sealing lid is threadeded with discharge duct，Described admission line is L-shaped，The second check valve it is provided with in admission line，Sealing-plug body is run through in admission line lower end，Described sealing-plug is coniform in close up downwards，Sealing-plug is additionally provided with through hole，Described through hole runs through sealing-plug body，It is equipped with adsorptive pads at the upper and lower two ends of through hole，Described adsorptive pads is flexibly connected with sealing-plug.
- A kind of anti-pollution bloodletting needle of surgery the most according to claim 1, it is characterised in that described sealing-plug is made up of elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213384.XU CN205568962U (en) | 2016-03-21 | 2016-03-21 | Anti -pollution needle of drawing blood of surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213384.XU CN205568962U (en) | 2016-03-21 | 2016-03-21 | Anti -pollution needle of drawing blood of surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205568962U true CN205568962U (en) | 2016-09-14 |
Family
ID=56869649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620213384.XU Expired - Fee Related CN205568962U (en) | 2016-03-21 | 2016-03-21 | Anti -pollution needle of drawing blood of surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205568962U (en) |
-
2016
- 2016-03-21 CN CN201620213384.XU patent/CN205568962U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20170321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |