CN104545944A - Disposable blood taking needle - Google Patents
Disposable blood taking needle Download PDFInfo
- Publication number
- CN104545944A CN104545944A CN201410816368.5A CN201410816368A CN104545944A CN 104545944 A CN104545944 A CN 104545944A CN 201410816368 A CN201410816368 A CN 201410816368A CN 104545944 A CN104545944 A CN 104545944A
- Authority
- CN
- China
- Prior art keywords
- housing
- blood taking
- plunger
- slideway
- disposable blood
- 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.)
- Pending
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
- A61B5/1405—Devices for taking blood samples
- A61B5/1411—Devices for taking blood samples by percutaneous method, e.g. by lancet
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a disposable blood taking needle which comprises a shell, a pushing plug and a needle head, wherein the pushing plug is arranged in the shell; the needle head is arranged in the pushing plug; the shell is provided with a cavity and a slide rail; a spring is arranged in the cavity; the spring sleeves the needle head; one end of the spring is connected with the shell while the other end is connected with the pushing plug; the pushing plug is composed of a pushing plug body and a handle part; the pushing plug is arranged in the cavity; the handle part extends out of the shell from the slide rail; when the handle part is moved along the slide rail, the needle head arranged in the pushing plug can stretch out of the cavity or can be stored in the shell. The spring, the slide rail, a flange structure of the handle part of the pushing plug and a groove structure of a rear end cover are adopted by the disposable blood taking needle, so that the disposable blood taking needle is safe and convenient to use, the structure is simple, more components can be reused and the environmental protection purpose is achieved.
Description
Technical field
The present invention relates to medical instruments field, more specifically, relate to a kind of disposable blood taking needle.
Background technology
At present, the disposable blood taking needle that market uses, mostly there is a common problem, the needle point being exactly disposable blood taking needle exposes, and especially after blood sampling, its danger is higher, and easy scathing, may cause cross infection; Meanwhile, the part that the disposable blood taking needle on market can reuse is lower, both causes waste, result in again the pollution of environment.
Summary of the invention
The present invention is intended at least solve one of problems of the prior art.
For this reason, the object of one aspect of the present invention is to provide that a kind of structure is simple, the disposable blood taking needle of use safety.
For achieving the above object, the embodiment of one aspect of the present invention provides a kind of disposable blood taking needle, the syringe needle comprising housing, be arranged on the plunger in described housing and be arranged in described plunger, described housing, there is cavity and slideway, in described cavity, be provided with spring; Described spring housing is on described syringe needle, and described housing is made up of front and rear; Have flanged structure in the cavity of the front portion of described housing, one end of described spring is connected on the flanged structure of described housing; Described plunger, is made up of described plunger body and shank, and described plunger is arranged in the cavities, and described shank extends described housing by described slideway; Move described shank along described slideway, the syringe needle be arranged in described plunger can be made to be stretched out by described cavity or receive out described housing.
Adopt the disposable blood taking needle structure of said structure simple, as required, contraction syringe needle can be carried out.
As the improvement of disposable blood taking needle of the present invention, also include drive end bearing bracket, described drive end bearing bracket grafting or be threaded in the front portion of described housing; Described drive end bearing bracket has the through-hole structure that can hold the turnover of described syringe needle.
Further, also include rear end cap, described rear end cap is sleeved on the rear portion of described housing.
Adopt the disposable blood taking needle of said structure, the cleaning of syringe needle can be kept on the one hand as far as possible, after syringe needle uses on the other hand, the through hole of described drive end bearing bracket may be caused to pollute, now only need change or sterilize drive end bearing bracket and syringe needle, reusable component is many, reaches the object of environmental protection.
As a further improvement on the present invention, described slideway is V-arrangement slideway, and described V-arrangement slideway one side slideway is longer than opposite side slideway; Promoting described plunger shank makes syringe needle stretch out housing, shank is slipped into the side that V-arrangement slideway length is short, the state that syringe needle can be kept to stretch out, uses convenient.
Improve as another kind of the present invention, described rear end cap has groove structure, the shank of described plunger has the flanged structure that can coordinate with described groove structure, the shank flanged structure size of described plunger, slightly larger than the groove structure of described rear end cap, makes the shank flanged structure of described plunger be embedded in described groove structure along described slideway direction and described groove structure opposite position place's elastic deformation.
When the flanged structure of described plunger shank and the groove structure of described rear end cap cooperate together, syringe needle can be made to be contracted in housing, not easily to stretch out housing, add safety in utilization, play the effect of safety cock.
In sum, beneficial effect of the present invention is to provide a kind of disposable blood taking needle, this blood taking needle has used spring, slideway and the flanged structure of plunger shank and the groove structure of rear end cap to be connected, and make this blood taking needle use safety, convenience, and structure is simple; Reusable component is many, reaches the object of environmental protection.
In description of the invention, term " suit ", " connection ", " grafting " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be direct connection, also can be indirectly connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Accompanying drawing explanation
The advantage of the above-mentioned and/or additional aspect of the present invention will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structure sectional view of the disposable blood taking needle described in one embodiment of the invention;
Fig. 2 is the structural front view of the disposable blood taking needle described in one embodiment of the invention.
Corresponding relation wherein in Fig. 1 to Fig. 2 between Reference numeral and component names is:
1 housing, 2 plungers, 3 syringe needles, 4 springs, 5 drive end bearing brackets, 6 rear end caps, 11 cavitys, 12 slideways, 13 housings are anterior, 14 housing rear portions, 21 plunger bodies, 22 plunger shanks, 51 through-hole structures, the groove structure of 61 rear end caps, 121V shape slideway, the flanged structure of 131 housings, the flanged structure of 221 plunger shanks.
Detailed description of the invention
In order to can clearer understanding above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention be further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can be combined with each other.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from mode described here to implement, therefore protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 is the structure sectional view of the disposable blood taking needle described in one embodiment of the invention.
The syringe needle 3 that the invention provides a kind of disposable blood taking needle, comprise housing 1, be arranged on the plunger 2 in described housing 1 and be arranged in described plunger 2, described housing 1, has cavity 11 and slideway 12, is provided with spring 4 in described cavity 11; Described spring 4 is enclosed within described syringe needle 3, and described housing 1 is made up of anterior 13 and rear portion 14; Have flanged structure 131 in the cavity 11 of the front portion 13 of described housing 1, one end of described spring 4 is connected on the flanged structure 131 of described housing 1; Described plunger 2, is made up of described plunger body 21 and shank 22, and described plunger 2 is arranged in cavity 11, and described shank 22 extends described housing 1 by described slideway 12; Move described shank 22 along described slideway 12, the syringe needle 3 be arranged in described plunger 2 can be made to be stretched out by described cavity 11 or receive out described housing 1.
Adopt the disposable blood taking needle structure of said structure simple, as required, contraction syringe needle 3 can be carried out, reach the object of use safety.
In embodiments of the present invention, also include drive end bearing bracket 5, described drive end bearing bracket 5 grafting or be threaded in described housing front portion 13; Described drive end bearing bracket 5 has the through-hole structure 51 that can hold the turnover of described syringe needle 3.
In embodiments of the present invention, also include rear end cap 6, described rear end cap 6 is sleeved on described housing rear portion 14.
Adopt the disposable blood taking needle of said structure, the cleaning of syringe needle 3 can be kept on the one hand as far as possible, after syringe needle uses on the other hand, the through-hole structure 1 of described drive end bearing bracket 5 may be caused to pollute, now only need change or sterilize drive end bearing bracket and syringe needle 3, reusable component is many, reaches the object of environmental protection.
Fig. 2 is the structural front view of the disposable blood taking needle described in one embodiment of the invention.
In embodiments of the present invention, described slideway 12 is V-arrangement slideway 121, and described V-arrangement slideway 121 1 side slideway is longer than opposite side slideway; Promoting described plunger shank 22 makes syringe needle 3 stretch out housing 1, shank 22 is slipped into the side that V-arrangement slideway 121 length is short, the state that syringe needle 3 can be kept to stretch out, uses convenient.
In embodiments of the present invention, described rear end cap 6 has groove structure 61, the shank 22 of described plunger 2 has the flanged structure 221 that can coordinate with described groove structure 61, flanged structure 221 size of described plunger shank 22, slightly larger than the groove structure 61 of described rear end cap 6, makes the flanged structure 221 of described plunger shank 22 be embedded in described groove structure 61 along described slideway 12 direction and the place's elastic deformation of described groove structure 61 opposite position.
When the flanged structure 221 of described plunger shank 22 cooperates together with the groove structure 61 of described rear end cap 6, syringe needle 3 can be made to be contracted in housing 1, not easily to stretch out housing 1, add safety in utilization, play the effect of safety cock.
The invention provides a kind of disposable blood taking needle, this blood taking needle has used the flanged structure 221 of spring 4, slideway 12 and plunger shank to be connected with the groove structure 61 of rear end cap, make this blood taking needle use safety, convenience, and structure is simple; Reusable component is many, reaches environmental protection more.
Claims (7)
1. a disposable blood taking needle, the syringe needle comprising housing, be arranged on the plunger in described housing and be arranged in described plunger, is characterized in that:
Described housing, has cavity and slideway, is provided with spring in described cavity;
Described spring housing is on described syringe needle, and described spring one end is connected with described housing, and the other end connects described plunger;
Described plunger, is made up of described plunger body and shank, and described plunger is arranged in the cavities, and described shank extends described housing by described slideway;
Move described shank along described slideway, the syringe needle be arranged in described plunger can be made to be stretched out by described cavity or receive out described housing.
2. disposable blood taking needle according to claim 1, is characterized in that, described housing is made up of front and rear; Have flanged structure in the cavity of the front portion of described housing, one end of described spring is connected on the flanged structure of described housing.
3. disposable blood taking needle according to claim 2, is characterized in that, also includes drive end bearing bracket, described drive end bearing bracket grafting or be threaded in the front portion of described housing; Described drive end bearing bracket has the through-hole structure that can hold the turnover of described syringe needle.
4. disposable blood taking needle according to claim 3, is characterized in that, also includes rear end cap, and described rear end cap is sleeved on the rear portion of described housing.
5. according to the disposable blood taking needle in claim 1-4 described in any one, it is characterized in that, described slideway is V-arrangement slideway, and described V-arrangement slideway one side slideway is longer than opposite side slideway.
6. disposable blood taking needle according to claim 5, is characterized in that, described rear end cap has groove structure, and the shank of described plunger has the flanged structure that can coordinate with described groove structure.
7. disposable blood taking needle according to claim 6, it is characterized in that, the shank flanged structure size of described plunger, slightly larger than the groove structure of described rear end cap, makes the shank flanged structure of described plunger be embedded in described groove structure along described slideway direction and described groove structure opposite position place's elastic deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816368.5A CN104545944A (en) | 2014-12-24 | 2014-12-24 | Disposable blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816368.5A CN104545944A (en) | 2014-12-24 | 2014-12-24 | Disposable blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104545944A true CN104545944A (en) | 2015-04-29 |
Family
ID=53063796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410816368.5A Pending CN104545944A (en) | 2014-12-24 | 2014-12-24 | Disposable blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104545944A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2477138Y (en) * | 2001-05-08 | 2002-02-20 | 施国平 | Disposable safety automatic blood taking needle |
| CN201431469Y (en) * | 2009-07-03 | 2010-03-31 | 山东省立医院 | Blood collecting bottle for detecting blood |
| CN102178538A (en) * | 2011-06-07 | 2011-09-14 | 天津九安医疗电子股份有限公司 | Blood drawing pen |
| CN201996546U (en) * | 2010-12-31 | 2011-10-05 | 杨俊红 | Blood sampling needle |
| CN202154687U (en) * | 2011-07-19 | 2012-03-07 | 中国人民解放军第三军医大学第一附属医院 | Novel blood taking needle |
| CN202505360U (en) * | 2012-05-02 | 2012-10-31 | 王建俊 | Blood taking needle |
-
2014
- 2014-12-24 CN CN201410816368.5A patent/CN104545944A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2477138Y (en) * | 2001-05-08 | 2002-02-20 | 施国平 | Disposable safety automatic blood taking needle |
| CN201431469Y (en) * | 2009-07-03 | 2010-03-31 | 山东省立医院 | Blood collecting bottle for detecting blood |
| CN201996546U (en) * | 2010-12-31 | 2011-10-05 | 杨俊红 | Blood sampling needle |
| CN102178538A (en) * | 2011-06-07 | 2011-09-14 | 天津九安医疗电子股份有限公司 | Blood drawing pen |
| CN202154687U (en) * | 2011-07-19 | 2012-03-07 | 中国人民解放军第三军医大学第一附属医院 | Novel blood taking needle |
| CN202505360U (en) * | 2012-05-02 | 2012-10-31 | 王建俊 | Blood taking needle |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |
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| RJ01 | Rejection of invention patent application after publication |