CN208892605U - Novel human-body arterial blood sample collector - Google Patents
Novel human-body arterial blood sample collector Download PDFInfo
- Publication number
- CN208892605U CN208892605U CN201820914244.4U CN201820914244U CN208892605U CN 208892605 U CN208892605 U CN 208892605U CN 201820914244 U CN201820914244 U CN 201820914244U CN 208892605 U CN208892605 U CN 208892605U
- Authority
- CN
- China
- Prior art keywords
- needle
- interconnecting piece
- syringe needle
- sliding block
- blood sample
- 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 a kind of novel human-body arterial blood sample collectors, including blood taking needle needle tubing and blood taking needle syringe needle, the blood taking needle needle tubing includes syringe needle interconnecting piece, tube body, pull rod and piston, syringe needle interconnecting piece be cylinder, sliding cavity is provided on syringe needle interconnecting piece, sliding is provided with sliding block in sliding cavity, elastic device is provided between sliding block and sliding cavity bottom, one end of sliding block is provided with press section, and press section is set in vertical through-hole by vertically fluting and press section bottom surface is connected with sealing-plug；Blood taking needle syringe needle includes needle body and the needle tubing interconnecting piece be connected with needle body, and syringe needle interconnecting piece accommodating cavity is provided in needle tubing interconnecting piece, is vertically arranged with sliding block briquetting in syringe needle interconnecting piece accommodating cavity.The sealing of arterial blood blood sample can be rapidly completed in the utility model after the completion of blood sampling, reduce arterial blood blood sample by the probability of air pollution.
Description
Technical field
The utility model relates to a kind of Medical Devices more particularly to a kind of novel human-body arterial blood sample collectors.
Background technique
Arterial blood gas analysis is a kind of clinically common blood testing, for flat to the soda acid inside patient body
Weighing apparatus carries out blood gas analysis.In blood gas analysis, since blood preparation will be contaminated after ingress of air, lead to blood gas analysis knot
Fruit mistake, therefore whether the acquisition and preservation of blood preparation are appropriate, having on measurement result greatly influences.Existing arterial blood sample
In collection process, medical staff mostly uses greatly common blood taking needle, and is injected into the blood sample in blood taking needle after the completion of blood sampling
In test tube, and sealed using sealing-plug.Either remove blood taking needle syringe needle, then with sealing cover by blood taking needle end closure.Due to
It is above-mentioned to be easy to cause blood sample to pollute since operating procedure is relatively complicated, cause blood gas analysis accuracy poor.
Utility model content
The purpose of the utility model is to provide a kind of novel human-body arterial blood sample collectors, can be after the completion of blood sampling quickly
The sealing of arterial blood blood sample is completed, and reduces arterial blood blood sample by the probability of air pollution.
The utility model adopts the following technical solutions:
Novel human-body arterial blood sample collector, including blood taking needle needle tubing and blood taking needle syringe needle, the blood taking needle needle tubing packet
Syringe needle interconnecting piece, tube body, pull rod and piston are included, piston is fixed on the front end of pull rod, and piston and pull rod are all set in tube body,
The syringe needle interconnecting piece is the cylinder that vertical through-hole is axially provided with along syringe needle interconnecting piece, is connected on syringe needle interconnecting piece along syringe needle
Socket part is axially additionally provided with sliding cavity from top to bottom, and sliding is provided with sliding block in sliding cavity, sets between sliding block and sliding cavity bottom
It is equipped with elastic device, vertical fluting is provided on syringe needle interconnecting piece inner wall, sliding cavity is connected by vertically fluting with vertical through-hole,
One end of sliding block is provided with press section, and press section is set in vertical through-hole by vertically fluting and press section bottom surface is connected with
Sealing-plug, under no external force, elastic device utilizes flexible drive sealing-plug by vertical through-hole bottom end seal；The blood sampling
Needle syringe needle includes needle body and the needle tubing interconnecting piece be connected with needle body, and syringe needle interconnecting piece accommodating cavity, needle are provided in needle tubing interconnecting piece
It is vertically arranged with sliding block briquetting in head interconnecting piece accommodating cavity, after blood taking needle syringe needle is connect with blood taking needle needle tubing, the pressing of sliding block briquetting
And press section is driven to move down, sealing-plug is separated with vertical through-hole bottom end.
The syringe needle interconnecting piece includes syringe needle interconnecting piece outer wall and syringe needle interconnecting piece inner wall, syringe needle interconnecting piece outer wall and needle
Head interconnecting piece inner wall is cylinder, and sliding cavity is arranged between syringe needle interconnecting piece outer wall and syringe needle interconnecting piece inner wall, sliding cavity
Horizontal cross-section be annular.
The sliding block be with the matched ring slider of sliding cavity, two press sections are symmetricly set on ring slider, press
Splenium is rectangle pressing plate, and sliding block is wholely set with press section.
The elastic device uses spring.
The sealing-plug is taper type sealing-plug.
The press section bottom surface is connected with sealing-plug by connecting rod.
There are two sliding block briquettings for vertically symmetrical setting in the syringe needle interconnecting piece accommodating cavity.
The lower end surface of the sliding block briquetting is higher than the lower end surface of needle tubing interconnecting piece.
Anti-coagulants coating is provided on the inboard wall of tube body.
The sealing-plug surface is provided with anti-coagulants coating.
The utility model in use, after blood taking needle syringe needle is connect with blood taking needle needle tubing, is pressed by sliding block briquetting
It presses and press section is driven to move down, so that sealing-plug is separated with vertical through-hole bottom end, form blood flow channel.When having taken a blood sample
Cheng Hou, medical staff pull up blood taking needle syringe needle, and under the action of the spring, sealing-plug, which will move upwards, holds out against vertical through-hole bottom end,
Blood taking needle needle tubing is effectively sealed, so that the sealing of arterial blood blood sample be rapidly completed after the completion of blood sampling, and reduces arterial blood
Blood sample is by the probability of air pollution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of blood taking needle needle tubing in the utility model；
Fig. 2 is the structural schematic diagram of blood taking needle syringe needle in the utility model；
Fig. 3 is the structural schematic diagram of syringe needle interconnecting piece in 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 to Figure 3, novel human-body arterial blood sample collector described in the utility model, including blood taking needle needle tubing
With blood taking needle syringe needle, blood taking needle needle tubing includes syringe needle interconnecting piece 1, tube body 2, pull rod 3 and piston 4, and piston 4 is fixed on pull rod 3
Front end, and piston 4 and pull rod 3 are all set in tube body 2, blood are drawn into blood taking needle needle tubing by pull pull rod 3, this is
The prior art, details are not described herein.In the utility model, syringe needle interconnecting piece 1 is to lead to vertically along axial be provided with of syringe needle interconnecting piece 1
The cylinder in hole 5, vertical through-hole 5 are used to provide the channel that blood flows into blood taking needle needle tubing from blood taking needle syringe needle.Syringe needle interconnecting piece 1
On be additionally provided with sliding cavity 6 from top to bottom along syringe needle interconnecting piece 1 is axial, sliding is provided with sliding block 7 in sliding cavity 6, in sliding cavity 6
In the sliding space of offer, sliding block 7 can carry out the movement of upper and lower certain amplitude.Sliding block 7 and sliding cavity are provided between 6 bottom
Elastic device 8, elastic device 8 are used to make sliding block 7 be returned to designated position by elastic force.It is arranged on the inner wall of syringe needle interconnecting piece 1
There is vertical fluting 9, sliding cavity 6 is connected by vertically fluting 9 with vertical through-hole 5, and one end of sliding block 7 is provided with press section 10, presses
Splenium 10 is set in vertical through-hole 5 by vertically fluting 9 and 10 bottom surface of press section is connected with sealing-plug 11.Vertical fluting 9
Match with the shape of press section 10, press section 10 is enabled to carry out fortune up and down in vertical fluting 9 under the drive of sliding block 7
Dynamic, i.e., press section 10 is able to drive the movement that sealing-plug 11 carries out certain amplitude up and down with sliding block 7.In the utility model,
Under no external force, elastic device 8 is moved upwards using flexible drive sealing-plug 11, by vertical 5 bottom end seal of through-hole.
Blood taking needle syringe needle includes that needle body 12 and the needle tubing interconnecting piece 13 with the conducting of needle body 12, needle tubing interconnecting piece 13 are used for and adopt
Blood needle needle tubing grafting is provided with syringe needle interconnecting piece accommodating cavity 14 in needle tubing interconnecting piece 13, and syringe needle interconnecting piece accommodating cavity 14 is for being
Syringe needle interconnecting piece 1 provides accommodating space, and generating frictional force is fixed in position blood taking needle needle tubing and blood taking needle syringe needle, syringe needle
Sliding block briquetting 15 is vertically arranged in interconnecting piece accommodating cavity 14, the position of sliding block briquetting 15 is adapted with the position of press section 10,
When blood taking needle syringe needle is connect with blood taking needle needle tubing, sliding block briquetting 15 presses and press section 10 is driven to move down, sealing-plug 11
It is separated with vertical 5 bottom end of through-hole, the blood being pumped into smoothly is flowed into tube body 2.
In order to further increase the practicability of the utility model, in the utility model, syringe needle interconnecting piece 1 includes syringe needle connection
Portion's outer wall 16 and syringe needle interconnecting piece inner wall 17, syringe needle interconnecting piece outer wall 16 and syringe needle interconnecting piece inner wall 17 are cylinder, sliding
Chamber 6 is arranged between syringe needle interconnecting piece outer wall 16 and syringe needle interconnecting piece inner wall 17, and the horizontal cross-section of sliding cavity 6 is annular, sliding
Open setting can be used above chamber 6, be easily installed.Match, sliding block 7 be with the matched ring slider 7 of sliding cavity 6, two
Press section 10 is symmetricly set on ring slider 7, and press section 10 is rectangle pressing plate, and sliding block 7 is wholely set with press section 10.Needle
Also there are two sliding block briquettings 15 for vertically symmetrical setting in head interconnecting piece accommodating cavity 14.Meanwhile elastic device 8 uses spring.
The spring of annular more matches the shape of ring-shaped slide chamber 6, while 7 stress of ring slider can be made more uniform,
To enable more efficiently vertical 5 bottom end of through-hole of closing of sealing-plug 11, prevent air from entering.In the present embodiment, sealing-plug
11 be taper type sealing-plug 11, and taper type sealing-plug 11 can effectively improve sealing effect.According to actual product design requirement, press
10 bottom surface of splenium can be connected with sealing-plug 11 by connecting rod 18, can also be direct by the way that the protruding portion extended downwardly is arranged
Connect sealing-plug 11.
Other are polluted in order to prevent, and the lower end surface of sliding block briquetting 15 is higher than the lower end surface of needle tubing interconnecting piece 13, reduce sliding block
Briquetting 15 is contacted with medical staff's hand.
Meanwhile in the utility model, anti-coagulants coating can be set on 2 inner wall of tube body, can also be set on 11 surface of sealing-plug
Set anti-coagulants coating.Enable the blood extracted uniformly through anti-coagulants coating, prevents blood clotting.Anti-coagulants coating can be adopted
With the figure layer of heparin or other anti-Trostin Ms.
When the utility model is used, blood taking needle syringe needle and blood taking needle needle tubing are attached by medical staff first, due to
Sliding block briquetting 15 can press and press section 10 is driven to move down, so that sealing-plug 11 is separated with vertical 5 bottom end of through-hole, be formed
Blood flow channel.Subsequent medical staff carries out arterial blood drawing to patient, and after the completion of blood sampling, medical staff pulls up blood taking needle needle
Head, under the action of the spring, sealing-plug 11, which will move upwards, holds out against vertical 5 bottom end of through-hole, carries out to blood taking needle needle tubing effectively close
Envelope.
Claims (10)
1. novel human-body arterial blood sample collector, including blood taking needle needle tubing and blood taking needle syringe needle, the blood taking needle needle tubing include
Syringe needle interconnecting piece, tube body, pull rod and piston, piston is fixed on the front end of pull rod, and piston and pull rod are all set in tube body,
Be characterized in that: the syringe needle interconnecting piece is the cylinder that vertical through-hole is axially provided with along syringe needle interconnecting piece, syringe needle interconnecting piece
On along syringe needle interconnecting piece be axially additionally provided with sliding cavity from top to bottom, sliding is provided with sliding block, sliding block and sliding cavity in sliding cavity
It is provided with elastic device between bottom, vertical fluting is provided on syringe needle interconnecting piece inner wall, sliding cavity is by vertically fluting and erects
Clear opening conducting, one end of sliding block are provided with press section, and press section is set in vertical through-hole by vertically fluting and press section
Bottom surface is connected with sealing-plug, and under no external force, elastic device is close by vertical through-hole bottom end using flexible drive sealing-plug
Envelope；The blood taking needle syringe needle includes needle body and the needle tubing interconnecting piece be connected with needle body, and syringe needle company is provided in needle tubing interconnecting piece
Socket part accommodating cavity is vertically arranged with sliding block briquetting in syringe needle interconnecting piece accommodating cavity, after blood taking needle syringe needle is connect with blood taking needle needle tubing,
Sliding block briquetting presses and press section is driven to move down, and sealing-plug is separated with vertical through-hole bottom end.
2. novel human-body arterial blood sample collector according to claim 1, it is characterised in that: the syringe needle interconnecting piece packet
Syringe needle interconnecting piece outer wall and syringe needle interconnecting piece inner wall are included, syringe needle interconnecting piece outer wall and syringe needle interconnecting piece inner wall are cylinder, sliding
Dynamic chamber is arranged between syringe needle interconnecting piece outer wall and syringe needle interconnecting piece inner wall, and the horizontal cross-section of sliding cavity is annular.
3. novel human-body arterial blood sample collector according to claim 2, it is characterised in that: the sliding block be and sliding
The matched ring slider of chamber, two press sections are symmetricly set on ring slider, and press section is rectangle pressing plate, sliding block and pressing
Portion is wholely set.
4. novel human-body arterial blood sample collector according to claim 1, it is characterised in that: the elastic device uses
Spring.
5. novel human-body arterial blood sample collector according to claim 1, it is characterised in that: the sealing-plug is frustum
Shape sealing-plug.
6. novel human-body arterial blood sample collector according to claim 1, it is characterised in that: the press section bottom surface
Sealing-plug is connected with by connecting rod.
7. novel human-body arterial blood sample collector according to claim 3, it is characterised in that: the syringe needle interconnecting piece holds
Setting intracavitary vertically symmetrical setting, there are two sliding block briquettings.
8. novel human-body arterial blood sample collector according to claim 7, it is characterised in that: under the sliding block briquetting
End face is higher than the lower end surface of needle tubing interconnecting piece.
9. novel human-body arterial blood sample collector according to claim 1, it is characterised in that: set on the inboard wall of tube body
It is equipped with anti-coagulants coating.
10. novel human-body arterial blood sample collector according to claim 1, it is characterised in that: the sealing-plug surface
It is provided with anti-coagulants coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914244.4U CN208892605U (en) | 2018-06-13 | 2018-06-13 | Novel human-body arterial blood sample collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914244.4U CN208892605U (en) | 2018-06-13 | 2018-06-13 | Novel human-body arterial blood sample collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208892605U true CN208892605U (en) | 2019-05-24 |
Family
ID=66566612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820914244.4U Expired - Fee Related CN208892605U (en) | 2018-06-13 | 2018-06-13 | Novel human-body arterial blood sample collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208892605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477931A (en) * | 2019-08-09 | 2019-11-22 | 王立盼 | A kind of blood collection device that clinical examination is easy to use |
| CN110711288A (en) * | 2019-11-25 | 2020-01-21 | 周静 | Venous transfusion anti-seepage indwelling needle for operating room nursing |
-
2018
- 2018-06-13 CN CN201820914244.4U patent/CN208892605U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110477931A (en) * | 2019-08-09 | 2019-11-22 | 王立盼 | A kind of blood collection device that clinical examination is easy to use |
| CN110711288A (en) * | 2019-11-25 | 2020-01-21 | 周静 | Venous transfusion anti-seepage indwelling needle for operating room nursing |
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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 |
Granted publication date: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |