CN107485400A - One kind blood sampling needle part and blood lancet device - Google Patents
One kind blood sampling needle part and blood lancet device Download PDFInfo
- Publication number
- CN107485400A CN107485400A CN201710829920.8A CN201710829920A CN107485400A CN 107485400 A CN107485400 A CN 107485400A CN 201710829920 A CN201710829920 A CN 201710829920A CN 107485400 A CN107485400 A CN 107485400A
- Authority
- CN
- China
- Prior art keywords
- sealing
- plug
- blood sampling
- pin
- shell
- 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.)
- Granted
Links
- 238000010241 blood sampling Methods 0.000 title claims abstract description 46
- 239000008280 blood Substances 0.000 title claims abstract description 36
- 210000004369 blood Anatomy 0.000 title claims abstract description 36
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229960002897 heparin Drugs 0.000 claims abstract description 27
- 229920000669 heparin Polymers 0.000 claims abstract description 27
- 210000003462 vein Anatomy 0.000 claims abstract description 13
- 241000256852 Aculeata Species 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000001194 anti-hemostatic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150343—Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes
Abstract
The invention discloses one kind blood sampling needle part and blood lancet device, the blood lancet device includes blood sampling needle part, connecting tube and human vein puncture needle handle, one end of connecting tube is connected with blood sampling needle part, the other end is connected with human vein puncture needle, wherein described blood taking needle part includes shell, pin, spring, sliding shoe, sealing-plug, shell is hollow inner chamber, pin is located in the inner chamber of shell, spring housing is on pin, the needle tip of pin is inserted in sealing-plug, spring is fixed on sealing-plug, sealing-plug is fixed in sliding shoe, sliding shoe drives sealing-plug to be slid axially in the cavity of shell.The pin of the present invention can penetrate sealing-plug with the insertion of heparin tube, insert heparin tube and form blood sampling passage, it can depart from heparin tube with the extraction of heparin tube after having adopted blood, sealing-plug seals needle point, so as to avoid the outflow of blood in blood sampling passage, the multiple puncture that pin can be resistant to due to sealing-plug ensure that the sealing repeatedly taken a blood sample without revealing.
Description
Technical field
The present invention relates to medical instruments field, more particularly to one kind blood sampling needle part and blood lancet device.
Background technology
At present, it by one end is human body puncture needle and needle handle that the typical construction of blood taking needle, which is, and the other end is by intubation needle stand and inserts
Pipe pin and cannula needle gum cover composition is wrapped, it is middle to be connected by a flexible pipe.During blood sampling, hold needle handle operation puncture needle and carry out human body
Vascular puncture, after observation has blood back, vacuum blood collection tube inserts collection blood from cannula needle end, and blood sampling finishes, and extracts heparin tube, inserts
Pipe pin gum cover gum cover while heparin tube is extracted rebounds and wraps cannula needle, prevents blood from being flowed out from blood taking needle.Have very
More patients need once to gather three pipes in blood sampling, and four pipe even five pipe blood are used for analytical test, and cannula needle gum cover is more
Resilience is unable to after secondary use sometimes, the gum cover also having can not seal after repeatedly puncturing, and at this moment blood, which will flow out, pollutes.
The content of the invention
The present invention solves the technical problem of provide a kind of blood sampling needle part and blood lancet device, this blood lancet device
Pin heparin tube extraction after needle point can be sealed completely by sealing-plug, closing blood sampling passage, can anti-Hemostatic Oral Liquid spill pollution, guarantor
Demonstrate,prove blood sampling safely, effectively, prevent the risk of blood outflow after multiple heparin tube.
In order to solve the above technical problems, one aspect of the present invention is：A kind of blood sampling needle part is provided, including
Shell, pin, spring, sliding shoe, sealing-plug, the shell are hollow inner chamber, and the pin is located in the inner chamber of the shell, institute
Spring housing is stated on the pin, the needle tip of the pin is inserted in the sealing-plug, and the spring is fixed on the sealing-plug,
The sealing-plug is fixed in the sliding shoe, and the sliding shoe drives the sealing-plug axially to be slided in the cavity of the shell
It is dynamic.
In a preferred embodiment of the present invention, one end of the shell can be inserted for heparin tube.
In a preferred embodiment of the present invention, the blood sampling needle part also includes the first gear, the second gear and button,
First gear, second gear and the button are located at the intracavitary side of the shell, first gear, described
Two gears and the button are set gradually from back to front, and second gear and the button are disposed adjacent.
In a preferred embodiment of the present invention, the blood sampling needle part also includes buckle, and the buckle is arranged at described
On sliding shoe.
In a preferred embodiment of the present invention, the needle tip of the pin is inserted in the sealing-plug, and by the sealing
Plug is fully sealed, and the Aculeata of the pin is fixed in the shell inner cavity.
In a preferred embodiment of the present invention, one end of the spring is fixed on the sealing-plug, and the other end is fixed
In on shell, when there is responsive to axial force the side of the sealing-plug, spring can be compressed, spring energy after external force removes
Sealing-plug is promoted to rebound.
In a preferred embodiment of the present invention, the interior intracavitary of the shell is provided with a cavity for the sliding shoe in chamber
Slide axially in vivo.
In a preferred embodiment of the present invention, it is outer when there is axial force to promote sliding shoe and sealing-plug compression spring to slide into
When at the second gear on shell, the needle tip side of the pin is exposed, and the exposed length ensures that needle tip can pierce into blood sampling
Pipe.
A kind of blood lancet device, including above-mentioned blood sampling needle part, connecting tube and human vein puncture needle handle are provided, it is described
One end of connecting tube is connected with the blood sampling needle part, and the other end is connected with the human vein puncture needle.
In a preferred embodiment of the present invention, the blood lancet device also includes handle, and the handle is located at the company
Adapter and the junction of the human vein puncture needle.
The beneficial effects of the invention are as follows：The blood sampling needle part and blood lancet device of the present invention, its pin can be with heparin tube
Insert and penetrate sealing-plug, insertion heparin tube forms blood sampling passage, can depart from blood sampling with the extraction of heparin tube after having adopted blood
Pipe, sealing-plug seal needle point, so as to avoid the outflow of blood in blood sampling passage, because sealing-plug can be resistant to the multiple of pin
Puncture without revealing, ensure that the sealing repeatedly taken a blood sample.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 be the present invention the preferred embodiment of the blood lancet device one it is unused when structural representation；
Fig. 2 be described in Fig. 1 blood lancet device insertion heparin tube after take a blood sample when structural representation.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Fig. 1 and Fig. 2 are referred to, the embodiment of the present invention includes：
A kind of blood lancet device, including blood sampling needle part, connecting tube 6, human vein puncture needle 8 and handle 7.The connecting tube 6
One end with it is described blood sampling needle part be connected, the other end is connected with the human vein puncture needle 8, the handle 7 be located at described in
The junction of connecting tube 6 and the human vein puncture needle 8.It instead of the assembling of traditional cannula needle, intubation needle stand and gum cover
Mode.
It is described blood sampling needle part include shell 1, the first gear 101, the second gear 102, button 103, pin 2, sealing-plug 3,
Sliding shoe 4, buckle 401, spring 5.The shell 1 is hollow cavity, and one end of the shell 1 can be inserted for heparin tube.Institute
State pin 2 to be located in the inner chamber of the shell 1, the spring 5 is enclosed on the pin 2, and the needle tip of the pin 2 is inserted in the sealing
In plug 3, the spring 5 is fixed on the sealing-plug 3, and the sealing-plug 3 is fixed in the sliding shoe 4, the sliding shoe 4
The sealing-plug 3 is driven to be slid axially in the cavity of the shell 1.
First gear 101, second gear 102 and the button 103 are located at the intracavitary side of the shell 1,
First gear 101, second gear 102 and the button 103 are set gradually from back to front, second gear 102
It is disposed adjacent with the button 103.First gear 101 and second gear 102 can block the card on the sliding shoe 4
Button 401, ensure that sliding shoe 4 is locked at gear.When the buckle 401 of sliding shoe 4 is at the first gear 101, sealing-plug 3
Needle point 2 can be sealed up.When the buckle of sliding shoe 4 is at the second gear 102, it can guarantee that needle point 2 exposes appropriate length and worn
Saturating heparin tube 9.The button 103 is pressed when buckle 401 is in the second gear 102 can release buckle 401, and sliding shoe 4 is in bullet
Sealing-plug 3 is driven to be slid axially along needle tubing to needle point direction in the presence of spring 5.
The needle tip of the pin 2 is inserted in the sealing-plug 3, and is fully sealed by the sealing-plug 3, the pin of the pin 2
Afterbody is fixed in the inner chamber of shell 1, and forms blood sampling passage by shell 1 and human vein puncture needle 8.The spring 5
One end be fixed on the sealing-plug 3, the other end is fixed on shell 1, when there is responsive to axial force the side of the sealing-plug 3
When spring 5 can be compressed, the spring 5 can promote sealing-plug 3 to rebound after external force removes.
The interior intracavitary of the shell 1 is provided with a cavity and slid axially for the sliding shoe 4 in cavity.When sliding shoe 4
When being moved to sealing-plug 3 and sealing needle point, the buckle 401 on sliding shoe 4 can be rested at the first gear 101 of shell 1.When there is axle
To push the dynamic compression spring 5 of sliding shoe 4 and sealing-plug 3 along needle tubing outer wall slide at the second gear 102 on shell 1 when,
The needle tip side of the pin 2 can exposed suitable length, the exposed length can ensure that needle tip can pierce into heparin tube 9.
The buckle 401 is arranged on the sliding shoe 4, and the buckle 401 is in the shell 1 during off working state
At first gear 101.After when needing blood sampling, human vein punctures successfully, heparin tube 9 promotes close from the opening end insertion of shell 1
Blocking 3 and sliding shoe 4 drive first gear 101 of the buckle 401 by shell 1 along the axial movement of pin 2 and compression spring 5
Place is moved at the second gear 102.It is stuck and can not moves again when buckle 401 is moved at the second gear 102, this hour hand 2
Pierce into the formation blood sampling passage of heparin tube 9 to start to take a blood sample, button 103 on lower casing 1 is pressed in blood sampling completion makes buckle 401 depart from second gear
Position 102, sliding shoe 4 pushes needle point direction of the heparin tube 9 to pin 2 together with sealing-plug 3 in the presence of the screen resilience of spring 5
Mobile, until buckle 401 is moved at the gear 1 of shell 1 the stopping movement that is stuck, now sealing-plug 3 is just moved to
The tip position of pin 5 seals needle point, and heparin tube 9 also is completed to take a blood sample departing from pin 2 in moving process.
In use, hand-held human vein puncture needle 8 carries out conventional puncture, it is seen that latter hand of blood back holds shell 1, another
Hand inserts by a heparin tube 9 from the open end of shell 1, and heparin tube 9 promotes sliding shoe 4 and sealing-plug 3 to compress bullet along needle tubing
Spring 5 is moved ahead, and now the buckle 401 of sliding shoe 4 is moved from the first gear 101 of shell 1 to the second gear 102, when buckle 401 arrives
Hour hands pierce into heparin tube 9 and form blood sampling passage at up to the second gear 102, after blood sampling, press the button 103 on lower casing 1, block
Button 401 releases, and sliding shoe 4 pushes heparin tube 9 in the presence of spring 5 with sealing-plug 3 and moved together to needle point direction, works as cunning
When the buckle 401 of motion block 4 is moved at the first gear 101, sealing-plug 3 seals needle point, while heparin tube 9 is also pushed out completion and adopted
Blood process.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (10)
1. one kind blood sampling needle part, it is characterised in that including shell, pin, spring, sliding shoe, sealing-plug, the shell is hollow
Inner chamber, the pin is located in the inner chamber of the shell, and on the pin, the needle tip of the pin is inserted in described the spring housing
In sealing-plug, the spring is fixed on the sealing-plug, and the sealing-plug is fixed in the sliding shoe, the sliding shoe band
The sealing-plug is moved to slide axially in the cavity of the shell.
2. blood sampling needle part according to claim 1, it is characterised in that one end of the shell can be inserted for heparin tube.
3. blood sampling needle part according to claim 1, it is characterised in that it is described blood sampling needle part also include the first gear,
Second gear and button, first gear, second gear and the button are located at the intracavitary side of the shell, described
First gear, second gear and the button are set gradually from back to front, the second gear and button is adjacent sets
Put.
4. blood sampling needle part according to claim 1, it is characterised in that the blood sampling needle part also includes buckle, described
Buckle is arranged on the sliding shoe.
5. blood sampling needle part according to claim 1, it is characterised in that the needle tip of the pin is inserted in the sealing-plug
In, and be fully sealed by the sealing-plug, the Aculeata of the pin is fixed in the shell inner cavity.
6. blood sampling needle part according to claim 1, it is characterised in that the sealing-plug is fixed in one end of the spring
On, the other end is fixed on shell, and when there is responsive to axial force the side of the sealing-plug, spring can be compressed, when external force removes
The springs urge sealing-plug rebounds afterwards.
7. blood sampling needle part according to claim 1, it is characterised in that the interior intracavitary of the shell is provided with cavity confession
The sliding shoe slides axially in cavity.
8. blood sampling needle part according to claim 3, it is characterised in that promote sliding shoe and sealing-plug pressure when there is axial force
When at the second gear on contracting spring slide to shell, the needle tip side of the pin is exposed, and the exposed length ensures pin
Tip can pierce into heparin tube.
9. a kind of blood lancet device, it is characterised in that including blood sampling needle part, connecting tube and the human body described in claim 1-8
Venipuncture needle handle, one end of the connecting tube are connected with the blood sampling needle part, and the other end punctures with the human vein
Pin is connected.
10. blood sampling needle part according to claim 9, it is characterised in that the blood lancet device also includes handle, described
Handle is located at the junction of the connecting tube and the human vein puncture needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829920.8A CN107485400B (en) | 2017-09-15 | 2017-09-15 | Blood taking needle component and blood taking needle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829920.8A CN107485400B (en) | 2017-09-15 | 2017-09-15 | Blood taking needle component and blood taking needle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107485400A true CN107485400A (en) | 2017-12-19 |
| CN107485400B CN107485400B (en) | 2024-02-20 |
Family
ID=60652417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710829920.8A Active CN107485400B (en) | 2017-09-15 | 2017-09-15 | Blood taking needle component and blood taking needle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107485400B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549653A (en) * | 2019-01-11 | 2019-04-02 | 刘贞宽 | A kind of anti-needle thorn vein blood taking needle |
| CN109893142A (en) * | 2019-04-16 | 2019-06-18 | 上海金塔医用器材有限公司 | Flexible blood-taking device and rigid blood-taking device |
| CN112999465A (en) * | 2020-03-16 | 2021-06-22 | 湛江健力源医疗用品有限公司 | Closed syringe needle structure |
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| US20030004437A1 (en) * | 2001-06-20 | 2003-01-02 | Collins Margie M. | Blood collection safety device |
| JP2004113519A (en) * | 2002-09-26 | 2004-04-15 | Sefa Technology Kk | Vacuum blood collecting tube |
| JP2004141393A (en) * | 2002-10-24 | 2004-05-20 | Nipro Corp | Blood collecting set |
| JP2005245704A (en) * | 2004-03-03 | 2005-09-15 | Sekisui Chem Co Ltd | Adapter for blood sampling needle, holder for vacuum blood sampling and blood sampling needle for vacuum blood sampling |
| CN2936144Y (en) * | 2006-08-09 | 2007-08-22 | 刘余厚 | Blood-taking holder |
| CN104470435A (en) * | 2012-10-26 | 2015-03-25 | 张建铭 | Automatic needle withdrawing integral vacuum blood sampling apparatus with needle tip protective sleeve |
| CN208709901U (en) * | 2017-09-15 | 2019-04-09 | 顾虹 | A kind of blood sampling needle part and blood lancet device |
-
2017
- 2017-09-15 CN CN201710829920.8A patent/CN107485400B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030004437A1 (en) * | 2001-06-20 | 2003-01-02 | Collins Margie M. | Blood collection safety device |
| JP2004113519A (en) * | 2002-09-26 | 2004-04-15 | Sefa Technology Kk | Vacuum blood collecting tube |
| JP2004141393A (en) * | 2002-10-24 | 2004-05-20 | Nipro Corp | Blood collecting set |
| JP2005245704A (en) * | 2004-03-03 | 2005-09-15 | Sekisui Chem Co Ltd | Adapter for blood sampling needle, holder for vacuum blood sampling and blood sampling needle for vacuum blood sampling |
| CN2936144Y (en) * | 2006-08-09 | 2007-08-22 | 刘余厚 | Blood-taking holder |
| CN104470435A (en) * | 2012-10-26 | 2015-03-25 | 张建铭 | Automatic needle withdrawing integral vacuum blood sampling apparatus with needle tip protective sleeve |
| CN208709901U (en) * | 2017-09-15 | 2019-04-09 | 顾虹 | A kind of blood sampling needle part and blood lancet device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549653A (en) * | 2019-01-11 | 2019-04-02 | 刘贞宽 | A kind of anti-needle thorn vein blood taking needle |
| CN109893142A (en) * | 2019-04-16 | 2019-06-18 | 上海金塔医用器材有限公司 | Flexible blood-taking device and rigid blood-taking device |
| CN109893142B (en) * | 2019-04-16 | 2023-11-17 | 上海金塔医用器材有限公司 | Flexible blood sampling device and rigid blood sampling device |
| CN112999465A (en) * | 2020-03-16 | 2021-06-22 | 湛江健力源医疗用品有限公司 | Closed syringe needle structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107485400B (en) | 2024-02-20 |
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