CN209450543U - Novel serum separate type vacuum blood sampler - Google Patents
Novel serum separate type vacuum blood sampler Download PDFInfo
- Publication number
- CN209450543U CN209450543U CN201820942392.7U CN201820942392U CN209450543U CN 209450543 U CN209450543 U CN 209450543U CN 201820942392 U CN201820942392 U CN 201820942392U CN 209450543 U CN209450543 U CN 209450543U
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- insertion needle
- vacuum
- tube body
- wall
- outer tube
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of novel serum separate type vacuum blood samplers, the lower end of rubber stopper is provided with inner pipe wall accommodation groove and outer tube wall accommodation groove, the upper end of vacuum interior tube body is fastened in inner pipe wall accommodation groove, the upper end of vacuum outer tube body is fastened in outer tube wall accommodation groove, vacuum interior tube body is arranged in vacuum outer tube body, vacuum interior tube body uses filtering network management of the filter opening diameter less than 1 micron, is provided with coagulant coating on the inner wall of vacuum interior tube body；Head cap is fastened on the outside of rubber stopper, and the top of head cap is provided with insertion needle accommodating cavity, and insertion needle accommodating cavity is located on the upside of rubber stopper, and the upper wall and lower wall of insertion needle accommodating cavity are provided with the flexible insertion section for insertion needle disengaging.The utility model can guarantee good serum separating effect, while can also effectively collect the part blood overflowed at insertion needle after blood collection needles insertion patient vessel, avoid the malpractices such as environmental pollution and infection.
Description
Technical field
The utility model relates to a kind of medical instruments, more particularly to a kind of novel serum separate type vacuum blood collection dress
It sets.
Background technique
Vacuum blood collection tube is one of the medical instrument of most common blood collection and blood test.And the blood of one of vacuum tube
Clear separating pipe, since serum mask work can be completed directly in vacuum blood collection tube, using also gradually popularizing.Existing vacuum
Heparin tube has vacuum interior tube body, vacuum outer tube body, rubber stopper and head cap to constitute mostly, nozzle of the rubber stopper plug in vacuum tube, head
Cap sleeve is located at outside the rubber stopper on the outside of nozzle, and the setting of vacuum interior tube body realizes blood by independent strainer in vacuum outer tube body
Sorting from.But existing serum separate type vacuum blood collection tube is at work, since separated structure uses the independent strainer of sunk type,
Cause strobe utility unreasonable, blood easily solidifies, and the blood clot after solidifying easily blocks strainer, leads to serum separating effect not
It is ideal.
In addition, blood collection needles are first inserted into patient vessel by medical staff during existing vacuum blood collection, to blood taking needle
When head overflows blood samples of patients by the insertion needle that hose connects, then by insertion needle insertion vacuum blood collection tube, utilize vacuum
Negative pressure in heparin tube completes entire blood collection procedure in the blood sucking vacuum blood collection tube in patient vessel.If blood collection needles
It not spilling over blood and is just inserted directly into vacuum blood collection tube, the air in hose connecting with blood collection needles will enter vacuum blood collection tube,
Specified negative pressure in vacuum blood collection tube, which will be will lead to, can not suck the blood of rated capacity.And it is inserted into after blood collection needles insertion patient vessel
The part blood overflowed at syringe needle will cause environmental pollution, will lead to the malpractices such as various infection when serious.
Utility model content
The purpose of the utility model is to provide a kind of novel serum separate type vacuum blood samplers, can guarantee good blood
Clear separating effect, while the part blood overflowed at insertion needle after blood collection needles insertion patient vessel can also be effectively collected,
Avoid the malpractices such as environmental pollution and infection.
The utility model adopts the following technical solutions:
A kind of novel serum separate type vacuum blood sampler, including vacuum interior tube body, vacuum outer tube body and setting are in vacuum
Sealing structure at tube mouth, the sealing structure include head cap and rubber stopper, and the lower end of rubber stopper is provided with inner tube pipe
Wall accommodation groove and outer tube wall accommodation groove, the upper end of vacuum interior tube body are fastened in inner pipe wall accommodation groove, vacuum outer tube body
Upper end is fastened in outer tube wall accommodation groove, and vacuum interior tube body is arranged in vacuum outer tube body, and vacuum interior tube body is straight using filter opening
Filtering network management of the diameter less than 1 micron is provided with coagulant coating on the inner wall of vacuum interior tube body；Head cap is fastened on outside rubber stopper
Side, the top of head cap are provided with insertion needle accommodating cavity, and insertion needle accommodating cavity is located on the upside of rubber stopper, insertion needle accommodating cavity
Upper wall and lower wall be provided with for insertion needle disengaging flexible insertion section.
The head cap is the tubular of upper and lower opening, and the insertion needle that the upper opening of head cap is provided with hollow cylindrical holds
Body is set, the inner cavity of cylindrical insertion needle accommodating body is insertion needle accommodating cavity；The upper wall and lower wall of insertion needle accommodating body
It is provided with the flexible insertion section for insertion needle disengaging.
The upper wall and lower wall of the insertion needle accommodating body offer circular through hole, are provided with and are used in circular through hole
The flexible insertion section of insertion needle disengaging.
The flexible insertion section uses butyl rubber piece.
The insertion needle accommodating body is made of transparent medical PVC.
The insertion needle accommodating body is connect in such a way that card is set or is threadedly coupled with head cap top.
The upper wall of the insertion needle accommodating body extends outward to form operation portion, and the lower surface of operation portion is located at head cap
On the upside of upper surface.
The rubber stopper uses butyl rubber bung, is provided with cylindrical fluting in the middle part of rubber stopper.
The inner pipe wall accommodation groove and outer tube wall accommodation groove are using the annular groove being coaxially disposed.
The insertion needle accommodating cavity being arranged in the utility model is inserted into needle after capable of collecting blood collection needles insertion patient vessel
The part blood that head place is overflowed, while can also be used as after the completion of blood sampling the holding part of insertion needle, to prevent cyclic border dirt
The malpractices such as dye and various infection.After blood flows into vacuum interior tube body, under the action of coagulant coating, inner tube is flowed into
Blood quickly solidifies, and comes out serum quick separating, and the serum come is then demultiplex out and passes through filter opening of the diameter less than 1 micron, from
Vacuum outer tube body, and the substances such as blood clot in blood are flowed into vacuum interior tube body, then are stayed in vacuum interior tube body.Blood sampling finishes
Afterwards, the utility model is placed on special blood-drawing pipe support, is convenient for subsequent use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is made with detailed description below in conjunction with drawings and examples:
As shown in Figure 1, novel serum separate type vacuum blood sampler described in the utility model, including vacuum interior tube body 1,
Vacuum outer tube body 2 and the sealing structure being arranged at vacuum tubings nozzle, the interior setting of vacuum interior tube body 1, vacuum outer tube body 2 are useful
In the negative pressure of sucking blood, blood flows into vacuum outer tube body 2 after the filtering of vacuum interior tube body 1, and sealing structure is used for vacuum
Interior tube body 1 and vacuum outer tube body 2 are sealed, to guarantee the stabilization of negative pressure.
The sealing structure includes head cap 3 and rubber stopper 4, the lower end of rubber stopper 4 be provided with inner pipe wall accommodation groove and
Outer tube wall accommodation groove, the upper end of vacuum interior tube body 1 are fastened in inner pipe wall accommodation groove, and the upper end card of vacuum outer tube body 2 is set
In outer tube wall accommodation groove.To guarantee rubber stopper 4 and vacuum interior tube body 1 and vacuum outer tube body 2 is mutual is stably connected with.Vacuum
Interior tube body 1 is arranged in vacuum outer tube body 2, and vacuum interior tube body 1 uses filtering network management of the filter opening diameter less than 1 micron, for hindering
The substances such as the blood clot in blood are kept off, while making serum quickly through the purpose of realization serum separation.Vacuum interior tube body 1 it is interior
It is provided with coagulant coating on wall, to promote the blood for flowing into inner tube quickly to solidify, comes out serum quick separating, blood promotees solidifying
Agent belongs to medical field routine techniques, and details are not described herein.Head cap 3 is fastened on 4 outside of rubber stopper, and the top of head cap 3 is provided with
Insertion needle accommodating cavity 5, insertion needle accommodating cavity 5 are located at 4 upside of rubber stopper, and the upper wall and lower wall of insertion needle accommodating cavity 5 are equal
It is provided with the flexible insertion section 6 for insertion needle disengaging.
After blood collection needles are inserted into patient vessel, then insertion needle is passed through into flexible insertion section 6 and is inserted into insertion needle accommodating
In chamber 5, after being inserted into syringe needle spilling blood samples of patients, being further continued for for insertion needle being downwardly into makes insertion needle be inserted into vacuum inner tube
In body 1, using the negative pressure in vacuum interior tube body 1, blood was collected.Vacuum can be set in insertion needle accommodating cavity 5, in order to blood
Inflow, the setting of insertion needle accommodating cavity 5 can collect the portion overflowed at insertion needle after blood collection needles insertion patient vessel
Divide blood, while can also be used as the holding part of insertion needle after the completion of blood sampling, to prevent cyclic border from polluting and various infection
Etc. malpractices.After blood flows into vacuum interior tube body 1, under the action of coagulant coating, the fast rapid hardening of blood of inner tube is flowed into
Gu coming out serum quick separating, the serum come is then demultiplex out by filter opening of the diameter less than 1 micron, from vacuum interior tube body 1
Interior inflow vacuum outer tube body 2, and the substances such as blood clot in blood, then stay in vacuum interior tube body 1.After blood sampling, it incite somebody to action this
Utility model is placed on special blood-drawing pipe support, is convenient for subsequent use.
In order to further increase the practicability of the utility model, in the utility model, head cap 3 is the tubular of upper and lower opening,
The upper opening of head cap 3 is provided with the insertion needle accommodating body 7 of hollow cylindrical, cylindrical insertion needle accommodating body 7 it is interior
Chamber is insertion needle accommodating cavity 5；The upper wall and lower wall of insertion needle accommodating body 7 are provided with the flexibility for insertion needle disengaging
Insertion section 6.The insertion needle accommodating body 7 being separately provided is single by insertion needle accommodating body 7 after use convenient for medical staff
It solely takes out, convenient for the development of the subsequent work such as raise one's hat, analyze, the insertion needle accommodating body 7 individually taken out can be used for storing blood sampling
Syringe needle and insertion needle, and handled as Biohazard Waste.In the present embodiment, the upper wall and lower wall of insertion needle accommodating body 7 are equal
Circular through hole is offered, the flexible insertion section 6 for insertion needle disengaging is provided in circular through hole.Flexible insertion section 6 uses
Butyl rubber piece has good leakproofness and passability.Insertion needle accommodating body 7 is made of transparent medical PVC, is convenient for
Medical staff directly observes whether insertion needle has blood from overflowing by vision.
In the utility model, insertion needle accommodating body 7 can directly be fastened on 3 top of head cap, insertion needle accommodating body 7
It can be connect by screw thread with 3 upper interior portion of head cap, be removed after acquisition convenient for medical staff.In the present embodiment, insertion
The upper wall of syringe needle accommodating body 7 extends outward to form operation portion 8, and the lower surface of operation portion 8 is located on the upside of the upper surface of head cap 3.Behaviour
Make the setting in portion 8 to hold convenient for medical staff, to smoothly take out insertion needle accommodating body 7.The side of operation portion 8 can be set
Non-slip groove is set, to increase frictional force.Rubber stopper 4 uses butyl rubber bung 4, is provided with cylindrical fluting in the middle part of rubber stopper 4.In order to
It can guarantee there is uniform space to carry out blood retention and filtering, inner pipe wall between vacuum interior tube body 1 and vacuum outer tube body 2
Accommodation groove and outer tube wall accommodation groove are using the annular groove being coaxially disposed.
Claims (7)
1. a kind of novel serum separate type vacuum blood sampler, it is characterised in that: including vacuum interior tube body, vacuum outer tube body and set
The sealing structure at vacuum tubings nozzle is set, the sealing structure includes head cap and rubber stopper, the lower end setting of rubber stopper
There are inner pipe wall accommodation groove and outer tube wall accommodation groove, the upper end of vacuum interior tube body is fastened in inner pipe wall accommodation groove, vacuum
The upper end of outer tube body is fastened in outer tube wall accommodation groove, and vacuum interior tube body is arranged in vacuum outer tube body, and vacuum interior tube body is adopted
Filtering network management with filter opening diameter less than 1 micron is provided with coagulant coating on the inner wall of vacuum interior tube body；Head cap is fastened on rubber
On the outside of rubber plug, the top of head cap is provided with insertion needle accommodating cavity, and insertion needle accommodating cavity is located on the upside of rubber stopper, insertion needle
The upper wall and lower wall of accommodating cavity are provided with the flexible insertion section for insertion needle disengaging.
2. novel serum separate type vacuum blood sampler according to claim 1, it is characterised in that: the head cap is upper
The tubular of under shed, the upper opening of head cap are provided with the insertion needle accommodating body of hollow cylindrical, cylindrical insertion needle
The inner cavity of accommodating body is insertion needle accommodating cavity；The upper wall and lower wall of insertion needle accommodating body be provided with for insertion needle into
Flexible insertion section out.
3. novel serum separate type vacuum blood sampler according to claim 2, it is characterised in that: the insertion needle
The upper wall and lower wall of accommodating body offer circular through hole, and the flexible insertion for insertion needle disengaging is provided in circular through hole
Portion.
4. novel serum separate type vacuum blood sampler according to claim 3, it is characterised in that: the flexible insertion
Portion uses butyl rubber piece.
5. novel serum separate type vacuum blood sampler according to claim 2, it is characterised in that: the insertion needle
Accommodating body is made of transparent medical PVC.
6. novel serum separate type vacuum blood sampler according to claim 2, it is characterised in that: the insertion needle
Accommodating body is connect in such a way that card is set or is threadedly coupled with head cap top.
7. novel serum separate type vacuum blood sampler according to claim 2, it is characterised in that: the insertion needle
The upper wall of accommodating body extends outward to form operation portion, and the lower surface of operation portion is located on the upside of the upper surface of head cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942392.7U CN209450543U (en) | 2018-06-19 | 2018-06-19 | Novel serum separate type vacuum blood sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942392.7U CN209450543U (en) | 2018-06-19 | 2018-06-19 | Novel serum separate type vacuum blood sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209450543U true CN209450543U (en) | 2019-10-01 |
Family
ID=68035541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820942392.7U Active CN209450543U (en) | 2018-06-19 | 2018-06-19 | Novel serum separate type vacuum blood sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209450543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2731909C1 (en) * | 2019-11-20 | 2020-09-09 | Гаррий Дмитриевич Иващенко | Device for blood collection during operation |
-
2018
- 2018-06-19 CN CN201820942392.7U patent/CN209450543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2731909C1 (en) * | 2019-11-20 | 2020-09-09 | Гаррий Дмитриевич Иващенко | Device for blood collection during operation |
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