CN201481433U - Split device for protecting needle core of blood taking needle - Google Patents
Split device for protecting needle core of blood taking needle Download PDFInfo
- Publication number
- CN201481433U CN201481433U CN2009201886279U CN200920188627U CN201481433U CN 201481433 U CN201481433 U CN 201481433U CN 2009201886279 U CN2009201886279 U CN 2009201886279U CN 200920188627 U CN200920188627 U CN 200920188627U CN 201481433 U CN201481433 U CN 201481433U
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- China
- Prior art keywords
- taking needle
- blood taking
- closing member
- nook closing
- blood
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Abstract
The utility model discloses a split device for protecting a needle core of a blood taking needle, which comprises a needle core sleeve (2) which is connected with a blood taking needle (1), and is characterized in that the needle core sleeve (2) is fixedly connected with the blood taking needle (1) by a material which is easily twisted off; and the other end of the needle core sleeve (2) is connected with a twist-off drive block (3). By the split arrangement of the protecting device, the blood taking needle can keep aseptic before the blood taking needle takes blood; when the blood is taken, the probability of polluting the blood is reduced; when the blood is tested, errors are decreased; and the split arrangement is beneficial for the industry to process and manufacture blood taking devices, and the assembly cost is lowered.
Description
Technical field
This utility model belongs to medical blood taking instrument field, is specifically related to a kind of split type blood taking needle nook closing member protector of blood taking needle.
Background technology
Automatic blood-taking needle is as a kind of small and exquisite, convenient, fast, safe blood sampling instrument in the prior art, and the employing of automatic blood-taking needle is more and more in the actual life.Use when particularly diabetics being carried out blood sugar monitoring, promptly measure blood sugar level in the blood samples of patients (BGLs), the result of record BGL helps to find its rule, so that determine insulin dose and make adjusting for the different phase of comings and goings and growth.Blood glucose and ketoboidies detect skin tips such as need puncturing finger tip and get a little liquid of bleeding.Generally need a Finger sting apparatus with blood taking needle.When using, puncture blood capillary with blood taking needle, treat that blood flows out naturally after, standby with the blood of micropipet absorption aequum.
Disclosed Chinese patent ZL01244520.7 discloses a kind of capping type safety automatic blood-taking needle on March 27th, 2002 in the prior art; comprise housing, blood taking needle and spring; be provided with ejection chamber in the housing; blood taking needle and spring place in the ejection chamber and connect into the Elastic Sliding structure on direction of ejections; housing is provided with the needle outlet consistent with direction of ejection; blood taking needle and case side between on the spring compressed path, be provided with card and penetrate structure; the head of blood taking needle is provided with the protection sleeve; one end of protection sleeve is socketed in the blood taking needle head, and the other end stretches out from needle outlet.Blood vessel local compression blood sampling effect was undesirable when this invention was taken a blood sample, and blood taking needle splits with protection sleeve and blood taking needle in this invention, during use, by pulling out the protection sleeve, just can effectively take a blood sample.
In addition, because blood taking needle adopts the protection sleeve to protect, the blood taking needle nook closing member is in the air ambient, can make the blood taking needle nook closing member be infected with more antibacterial, brings infection to the patient during blood sampling, even has influence on blood glucose, ketoboidies value.As before taking a blood sample the blood sampling nook closing member is cleaned or disinfection, can increase medical personnel's workload greatly, in actual life, also bring inconvenience.And a lot of automatic blood-taking needles is disposable, its nook closing member position hide with the automatic blood-taking needle structure in, be difficult to nook closing member is done sterilization comparatively completely, guarantee the sterile working of nook closing member.The present invention comes therefrom.
Summary of the invention
This utility model purpose is to provide a kind of split type blood taking needle nook closing member protector, problem such as solved in the prior art that the ineffective blood that causes taking a blood sample of blood taking needle protection subjects to pollute, the blood taking needle nook closing member need carry out could using after the cleaning-sterilizing aseptic process.
In order to solve these problems in the prior art, the technical scheme that this utility model provides is as follows:
A kind of split type blood taking needle nook closing member protector comprises the nook closing member sleeve that is connected with blood taking needle, it is characterized in that fixedlying connected by easily twisting off material between described nook closing member sleeve and blood taking needle, and the telescopic other end of nook closing member connects and twists off drive block.
Preferably, described blood taking needle comprises nook closing member, and described nook closing member is fixed on the blood taking needle pedestal, and described nook closing member sleeve is fixedlyed connected with the blood taking needle pedestal.
Preferably, described nook closing member sleeve comprise the socket part that is sleeved on the blood taking needle nook closing member with twist off the connecting portion that drive block is connected; Described socket part is the hollow circular tube structure, and described hollow circular tube structure one end is airtight, and material is airtight fixedlys connected the other end by easily twisting off with the blood taking needle pedestal.
Preferably, described nook closing member sleeve connecting portion is a bearing pin, on the described bearing pin limited block is set; Described drive block one end that twists off is provided with and connects pulloverly, and portion is managed in other end setting; The pullover cooperation with the pin shaft hole axle of connecting portion of described connection fixed.
Preferably, describedly manage portion and be connected pullover fixedly connectedly, on described connection is pullover spacing hole is set, described spacing hole cooperates spacing with the bearing pin limited block of connecting portion.
Split type blood taking needle nook closing member protector of the present invention is applied to disposable blood-taking device; like this; another object of the present invention is to provide a kind of disposable blood-taking device; comprise blood taking needle; described blood taking needle both sides are provided with the elastic clip of spacing blood taking needle; the deploying device that elastic clip discharges blood taking needle is opened in the setting of described elastic clip front end, it is characterized in that sheathed split type blood taking needle nook closing member protector on the described blood taking needle nook closing member.
Preferably, described elastic clip inboard is provided with limited impression, and described blood taking needle pedestal both sides are provided with positive stop and cooperate spacing with limited impression and the compression spring.
Preferably, described elastic clip front end is the inclined-plane, and described deploying device is a hollow structure, and its rear end is provided with the wedge shape drive block, and described wedge shape drive block cooperates with the front end inclined-plane of elastic clip and opens elastic clip.
Preferably, described deploying device front end is provided with the through hole for the blood taking needle turnover, and described nook closing member protector is set on the blood taking needle nook closing member by through hole, and the nook closing member sleeve of protector is fixedlyed connected with the blood taking needle pedestal.
Preferably, described blood taking needle rear end is connected with the body of blood-taking device by the compression spring, and described elastic clip is fixedlyed connected with body, and the fixing housing limited block of blood taking needle housing of arranged outside.
Preferably, described blood taking needle housing is sleeved on elastic clip and the blood taking needle, and its rear end is provided with buckle and cooperates spacing with the housing limited block.Preferably, described blood taking needle upper and lower end face is provided with axial feather key, and the inboard of described deploying device is provided with axial gathering sill; Described feather key cooperates the location blood sampling of sliding with gathering sill.
Preferably, described elastic clip rear end is fixed on the pedestal, and its front end has the inclined-plane that is obliquely installed; The both sides of described deploying device are that inclined ramp cooperates driving with elastic clip front end inclined-plane, and described deploying device front end is spacing to be wholely set on the housing of blood-taking device and with housing.
Blood taking needle nook closing member of the present invention is by the nook closing member sleeve set of split type blood taking needle nook closing member protector; owing to easily twisting off material, employing between nook closing member sleeve and blood taking needle pedestal fixes; make nook closing member keep aseptic condition always; when needs use, twist off and easily twist off material by twisting off drive block, nook closing member is separated with the nook closing member protector; the application of taking a blood sample then; guaranteed the aseptic of blood sampling operation like this, the infection of alien bacteria when having reduced blood sampling, the error of blood glucose, ketoboidies when reducing detection.
Preferably, when needs are taken a blood sample, the coupling part that twists off protector and blood taking needle by external force will soon easily twist off material and will twist off, this blood-taking device is placed on the skin tip that needs blood sampling, as the blood vessel that medically often adopts, by human body the retroaction of blood-taking device is promoted deploying device and expose front end in hull outside, described deploying device cooperates the promotion elastic clip to open to both sides by the inclined-plane, blood taking needle is owing to the retracting spring of compression spring excessively stretches out, the blood taking needle puncture vessel plays the purpose of blood sampling; When blood sampling finishes, spring since elastic return make blood taking needle be returned to spring and unclamp level.
This utility model advantage is:
1, in the technical scheme of the present invention by fixing suit protector in the blood taking needle nook closing member of the disposable blood-taking device outside; by aseptic in the suit protector nook closing member sleeve; by easily twisting off material and the blood taking needle pedestal is fixed; thereby guaranteed that blood taking needle before use, nook closing member keeps gnotobasis when using; germ contamination before preventing to take a blood sample has reduced the detection error.
2, adopting protector in the optimal technical scheme of the present invention is split type protector; by the nook closing member sleeve with twist off drive block two parts and form; because blood taking needle and nook closing member sleeve are fixed as one; adopt the industrial processes of dividing body structure conveniently to carry out blood taking needle, reduce the fussy degree of follow-up assembly working.And the telescopic socket part of nook closing member of the present invention one end is airtight, and the other end is fixedlyed connected with the blood taking needle pedestal, reduces the probability of environmental pollution nook closing member.
3, the nook closing member sleeve connecting portion that adopts in the optimal technical scheme of the present invention is a bearing pin, on the described bearing pin limited block is set, described bearing pin with twist off the pullover connection of being connected of drive block, and twist off drive block and the telescopic link position of nook closing member by the location that cooperates of limited block and spacing hole, connect and fix pullover the cooperation with the pin shaft hole axle, can twist off drive block driving needle core retainer plate tube coaxial rotation by twisting like this, thus twist off be connected with the blood taking needle pedestal easily twist off material.
4, the present invention also provides disposable blood-taking device, and this device has adopted above-mentioned protector, so this disposable blood-taking device has the effect of sterile blood sampling, when reducing blood sampling to the pollution of blood.This protector split is provided with the processing and manufacturing that the industry of being beneficial to is carried out blood sampling apparatus, reduces assembly cost.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further described:
Fig. 1 is the structural representation of the disposable blood-taking device of this utility model embodiment;
Fig. 2 is the internal structure sketch map of the disposable blood-taking device of this utility model embodiment;
Fig. 3 is the front view of the split type blood taking needle nook closing member of this utility model embodiment protector;
Fig. 4 is the left view of split type blood taking needle nook closing member protector;
Fig. 5 is the explosive view of split type blood taking needle nook closing member protector.
Wherein: 1 is blood taking needle, and 2 is the nook closing member sleeve; 3 for twisting off drive block, and 4 is deploying device, and 5 is body, and 6 is the blood taking needle housing;
11 is nook closing member; 12 is the blood taking needle pedestal; 13 is elastic clip, and 14 is limited impression; 15 are the compression spring; 16 is the housing limited block; 17 is feather key; 21 is the sleeve socket part; 22 is the sleeve connecting portion; 31 is pullover for connecting; 32 for managing portion; 41 is the wedge shape drive block; 42 is through hole; 43 is gathering sill; 61 is buckle.
The specific embodiment
For the technical scheme of more detailed statement foregoing invention, the following inventor lists specific embodiment and comes bright technique effect; It is emphasized that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.
Embodiment such as Fig. 1～5; this disposable blood-taking device; comprise blood taking needle 1; described blood taking needle both sides are provided with the elastic clip 13 of spacing blood taking needle; the deploying device 4 that elastic clip discharges blood taking needle, sheathed split type blood taking needle nook closing member protector on the described blood taking needle nook closing member are opened in the setting of described elastic clip front end.
The elastic clip inboard is provided with limited impression 14, and described blood taking needle pedestal both sides are provided with positive stop and cooperate spacing with limited impression and the compression spring.Described elastic clip front end is the inclined-plane, and described deploying device is a hollow structure, and its rear end is provided with wedge shape drive block 41, and described wedge shape drive block cooperates with the front end inclined-plane of elastic clip and opens elastic clip.
The deploying device front end is provided with the through hole 42 for the blood taking needle turnover, and described nook closing member protector is set on the blood taking needle nook closing member by through hole, and the nook closing member sleeve of protector is fixedlyed connected with the blood taking needle pedestal.Described blood taking needle rear end is connected with the body 5 of blood-taking device by compression spring 15, and described elastic clip is fixedlyed connected with body, and the fixing housing limited block 16 of blood taking needle housing 6 of arranged outside.
The blood taking needle housing is sleeved on elastic clip and the blood taking needle, and its rear end is provided with buckle 61 and cooperates spacing with the housing limited block.Described blood taking needle upper and lower end face is provided with axial feather key 17, and the inboard of described deploying device is provided with axial gathering sill 43; Described feather key cooperates the location blood sampling of sliding with gathering sill.Described elastic clip rear end is fixed on the pedestal, and its front end has the inclined-plane that is obliquely installed; The both sides of described deploying device are that inclined ramp cooperates driving with elastic clip front end inclined-plane.
This split type blood taking needle nook closing member protector comprises the nook closing member sleeve 2 that is connected with blood taking needle 1, and 1 of described nook closing member sleeve 2 and blood taking needle are fixedlyed connected by easily twisting off material, and the other end of nook closing member sleeve 2 connects and twists off drive block 3.
Blood taking needle comprises nook closing member 11, and described nook closing member is fixed on the blood taking needle pedestal 12, and described nook closing member sleeve 2 is fixedlyed connected with blood taking needle pedestal 12.
Nook closing member sleeve 2 comprise the socket part 21 that is sleeved on the blood taking needle nook closing member 11 with twist off the connecting portion 22 that drive block is connected; Described socket part 21 is the hollow circular tube structure, and described hollow circular tube structure one end is airtight, and material is airtight fixedlys connected the other end by easily twisting off with blood taking needle pedestal 12.Described nook closing member sleeve 2 connecting portions 22 are a bearing pin, on the described bearing pin limited block are set; Described drive block 3 one ends that twist off are provided with and connect pulloverly 31, and portion 32 is managed in other end setting; Described connection pullover 31 cooperates fixing with the pin shaft hole axle of connecting portion 22.Describedly manage portion 32 and be connected pullover 31 fixedly connectedly, in the described connection pullover 31 spacing hole is set, described spacing hole cooperates spacing with the bearing pin limited block of connecting portion 22.
When this blood-taking device is in original state, by protector protection blood taking needle, and the effect of the limited impression by positive stop and elastic clip, compress the spring behind the blood taking needle spacing.When needs are taken a blood sample, twist off the coupling part of protector and blood taking needle by external force, this blood-taking device is placed on the position that needs blood sampling, as the blood vessel that medically often adopts, by human body the retroaction of blood-taking device is promoted deploying device and expose front end in hull outside, described deploying device cooperates by the inclined-plane and promotes elastic clip and open to both sides, blood taking needle since the retracting spring of compression spring excessively stretch out, the blood taking needle puncture vessel plays the purpose of blood sampling; When blood sampling finishes, spring since elastic return make blood taking needle be returned to spring and unclamp level; Because the elastic clip elastic return, the elastic clip front end moves after stoping positive stop, has prevented the secondary utilization of blood-taking device.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (5)
1. split type blood taking needle nook closing member protector; comprise the nook closing member sleeve (2) that is connected with blood taking needle (1); it is characterized in that fixedlying connected by easily twisting off material between described nook closing member sleeve (2) and blood taking needle (1), and the other end of nook closing member sleeve (2) connects and twists off drive block (3).
2. split type blood taking needle nook closing member protector according to claim 1 is characterized in that described blood taking needle comprises nook closing member (11), and described nook closing member is fixed on the blood taking needle pedestal (12), and described nook closing member sleeve (2) is fixedlyed connected with blood taking needle pedestal (12).
3. split type blood taking needle nook closing member protector according to claim 1, it is characterized in that described nook closing member sleeve (2) comprise the socket part (21) that is sleeved on the blood taking needle nook closing member (11) with twist off the connecting portion (22) that drive block is connected; Described socket part (21) is the hollow circular tube structure, and described hollow circular tube structure one end is airtight, and material is airtight fixedlys connected the other end by easily twisting off with blood taking needle pedestal (12).
4. split type blood taking needle nook closing member protector according to claim 1 is characterized in that described nook closing member sleeve (2) connecting portion (22) is a bearing pin, is provided with limited block on the described bearing pin; Described drive block (3) one ends that twist off are provided with connection pullover (31), and portion (32) is managed in other end setting; Described connection pullover (31) cooperates fixing with the pin shaft hole axle of connecting portion (22).
5. split type blood taking needle nook closing member protector according to claim 1; it is characterized in that describedly managing portion (32) and to be connected pullover (31) fixedly connected; described connection is provided with spacing hole on pullover (31), and described spacing hole cooperates spacing with the bearing pin limited block of connecting portion (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886279U CN201481433U (en) | 2009-08-10 | 2009-08-10 | Split device for protecting needle core of blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886279U CN201481433U (en) | 2009-08-10 | 2009-08-10 | Split device for protecting needle core of blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201481433U true CN201481433U (en) | 2010-05-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201886279U Expired - Lifetime CN201481433U (en) | 2009-08-10 | 2009-08-10 | Split device for protecting needle core of blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201481433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103549964A (en) * | 2013-11-15 | 2014-02-05 | 柳新荣 | Disposable hemostix |
| CN111214246A (en) * | 2019-09-26 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking pen and needle seat for blood taking needle |
-
2009
- 2009-08-10 CN CN2009201886279U patent/CN201481433U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103549964A (en) * | 2013-11-15 | 2014-02-05 | 柳新荣 | Disposable hemostix |
| CN111214246A (en) * | 2019-09-26 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking pen and needle seat for blood taking needle |
| CN111214246B (en) * | 2019-09-26 | 2022-09-06 | 天津华鸿科技股份有限公司 | Blood taking pen and needle seat for blood taking needle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |