CN201481428U - Disposable blood sampling device - Google Patents
Disposable blood sampling device Download PDFInfo
- Publication number
- CN201481428U CN201481428U CN2009201886211U CN200920188621U CN201481428U CN 201481428 U CN201481428 U CN 201481428U CN 2009201886211 U CN2009201886211 U CN 2009201886211U CN 200920188621 U CN200920188621 U CN 200920188621U CN 201481428 U CN201481428 U CN 201481428U
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- blood
- taking needle
- blood taking
- driving device
- pedestal
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Abstract
The utility model discloses a disposable blood sampling device, which comprises a blood taking needle (1) of which the rear end stores energy, and is characterized in that: two sides of a blood taking needle base (11) are provided with lugs (12); wedged blocks (2) are arranged fixedly outside the blood taking needle; the front end of the blood taking needle is provided with a driving device (3) driving the blood taking needle to move backwards; and when the blood taking needle moves backwards, the wedged blocks (2) are contacted with the lugs to drive the lugs to break so as to release the blood taking needle to eject for taking blood. After the device is used, the lugs are broken, so that the secondary use of the device is prevented, and potential cross infection opportunities are avoided.
Description
Technical field
This utility model belongs to medical blood taking instrument field, is specifically related to a kind ofly only for nonrecoverable disposable blood-taking device, can prevent the secondary utilization of disposable blood-taking device.
Background technology
In the medical inspection process, need to carry out blood sample collection and test, so that the present situation and the etiological study of disease are investigated.Owing to need prevent patient or crowd's mutual infection, what present stage research was many is disposable blood taking needle.The blood collection needle pin mostly is injection needle and syringe formation greatly in the prior art at present, and for taking a blood sample and standardize solution, blood sampling needs both hands to operate by the people, and this blood-taking device is used comparatively inconvenient concerning user or medical personnel.Automatic blood-taking needle is laborsaving but also timesaving effect not only.Only needing the skin that blood taking needle be pressed close to user taken a blood sample gets final product, and can carry out one-handed performance.Adopt the automatic blood-taking needle blood sampling on average to shorten 1.5min, improved work efficiency, alleviated patient's psychological burden than blood collection needle method blood sampling time.And automatic blood-taking needle is small and exquisite, convenient, is easy to carry about with one, the convenient check of taking a blood sample under various environment.
Because these advantages of automatic blood-taking needle, the employing of automatic blood-taking needle more and more widely in the actual life.Disclosed Chinese patent ZL01244520.7 discloses a kind of capping type safety automatic blood-taking needle as 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.Yet,, penetrate structure by card and can continue to use after spacing because this blood taking needle uses the back by the protection sleeve blood taking needle to be moved backward.Automatic blood-taking needle just can repeatedly use like this, thus the potential problem that has cross-contamination.The present invention comes therefrom.
Summary of the invention
This utility model purpose is to provide a kind of disposable blood-taking device, solved in the prior art blood-taking device reusable, have problems such as potential cross-contamination.
In order to solve these problems in the prior art, the technical scheme that this utility model provides is as follows:
A kind of disposable blood-taking device comprises the blood taking needle of rear end accumulation of energy it is characterized in that described blood taking needle pedestal both sides are provided with the ear seat, and the described blood taking needle outside fixedly installs wedge, and described blood taking needle front end is provided with and drives the driving device that blood taking needle moves backward; When moving behind the blood taking needle, described wedge and ear seated connection touch driving ear seat fracture release blood taking needle and launch blood sampling.
Preferably, described device also comprises pedestal, is fixed with the compression spring on the described pedestal, and the described compression spring other end connects the blood taking needle pedestal.
Preferably, described blood taking needle comprises the nook closing member and the fixing blood taking needle pedestal of nook closing member, and described blood taking needle pedestal both sides are provided with first feather key, and the rear end of described feather key is provided with the ear seat, and described nook closing member front end is provided with protector.
Preferably, described driving device is a hollow tubular structure, and first gathering sill that the inwall setting of described driving device cooperates with feather key, the front end of described driving device are provided with the through hole that launches out for blood taking needle; Described driving device rear end cooperates spacing with the ear seat of blood taking needle.
Preferably, described protector comprises that the socket part of an end suit nook closing member and the other end drive the grip part of outwarding winding, described socket part inner hollow and nook closing member fitted seal, and upper end, described socket part is provided with limited block; Spacing hole and socket part limited block fitted seal blood taking needle are offered in described driving device rear end.
Preferably, described device also comprises housing, and described pedestal upper end is provided with buckle, offers housing groove on the described housing, and described buckle cooperates fixing with housing groove.
Preferably, described driving device tube wall arranged outside second feather key, described housing inboard is provided with second gathering sill, and described second feather key cooperates with second gathering sill and endwisely slips.
Preferably, described housing inboard is provided with guide rail, offers the 3rd gathering sill on the described driving device tube wall outer wall, and described guide rail cooperates slip with the 3rd gathering sill.
Preferably, the rear end of the front end of described wedge and ear seat is the inclined-plane, and both inclined-planes cooperate contact.
Among the present invention, when this blood-taking device is in original state, be arranged with protector on the blood taking needle nook closing member, because the effect of the spacing hole of protector socket part limited block and driving device, the blood taking needle nook closing member is in the sterile vacuum state; The compression spring of blood taking needle rear end does not carry out compress energy storage yet; When needs are taken a blood sample; make it break away from blood taking needle after protector rotated to an angle; the through hole that the blood sampling site of user is pressed activation point; move behind the driving device, the compression spring compress energy storage of blood taking needle rear end, when after when moving on to a certain degree; the ear seat of blood taking needle pedestal both sides is the wedge extrusion fracture; blood taking needle, makes blood taking needle be returned to spring and unclamps level because the compression spring recovers because the release of compression spring is launched out through hole and taken a blood sample.
This utility model advantage is:
1, in the technical scheme of the present invention by the ear seat being set in blood taking needle pedestal both sides, launch blood sampling by making wedge and cooperating of ear seat ear seat fracture back blood taking needle.More specifically, mobile backward by the driving device of blood taking needle front end, promote the ear seat and move backward; The wedge and the ear seated connection that are fixedly installed on the pedestal touch, and make ear seat extrusion fracture to the inside; Because the fracture of ear seat discharges the compression spring of blood taking needle rear end accumulation of energy, drive blood taking needle and launch out the through hole operation of taking a blood sample; When the compression spring reaches greatest length, compress spring energy-storage and make its retraction; The blood taking needle resilience separates with blood sampling site.Finish the release of blood taking needle because the ear seat of blood taking needle pedestal ruptures in the whole process, owing to do not exist the ear seat can't carry out the secondary use, so fundamentally solved blood taking needle and reused the problems such as cross infection that cause after the blood sampling operation.
2, adopt the inclined-plane to cooperate in the preferred technical solution of the present invention between wedge and ear seat, act radially on the ear seat by fixed wedge, it is radial stressed and the ear seat is ruptured that axial driving device actuation movement is transformed into; Blood taking needle is that the compression spring that the rear end is provided with promotes can launch blood sampling down.Also first feather key is set in the optimized technical scheme, offers first gathering sill that cooperates slip with feather key in the driving device inboard, thereby guarantee the direction of ejection of blood taking needle, realize that better take a blood sample in the location in blood taking needle pedestal both sides.
3, buckle is set in the preferred technical solution of the present invention on pedestal, the housing rear end is provided with the housing groove with buckle.By at driving device arranged outside feather key, gathering sill is set, guarantee the assembling uniqueness of housing and driving device in the housing inboard; Can slide along gathering sill when driving device moves in addition, prevent moving or turn of other directions of driving device.
4, connect protector at blood taking needle nook closing member front end in the optimal technical scheme of the present invention, be tightly connected by protector socket part hollow and nook closing member, can keep nook closing member to be in gnotobasis, antibacterial enters in prevent to take a blood sample preceding or the blood collection procedure; Limited block fitted seal blood taking needle is set in the socket part, prevents that blood taking needle from moving etc. in the process blood taking needle in transportation and ejecting and lost efficacy.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further described:
Fig. 1 is the overall structure sketch map 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 another internal structure sketch map of the disposable blood-taking device of this utility model embodiment;
Fig. 4 is the structural representation of the blood taking needle of the disposable blood-taking device band of this utility model embodiment protector;
Fig. 5 is the structural representation of the disposable blood-taking device housing of this utility model embodiment.
Wherein: 1 is blood taking needle, and 2 is wedge; 3 is driving device, and 4 is pedestal; 5 are the compression spring, and 6 is protector, and 7 is housing;
11 is the blood taking needle pedestal; 12 is the ear seat; 13 is nook closing member; 14 is first feather key; 31 is first gathering sill; 32 is through hole; 33 is spacing hole; 34 is second feather key; 35 is the 3rd gathering sill; 41 is buckle; 61 is the socket part; 62 is the grip part; 63 is limited block; 71 is housing groove; 72 is second gathering sill; 73 is guide rail.
The specific embodiment
For the technical scheme of more detailed statement foregoing invention, the following inventor lists specific embodiment technique effect is described; 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. 1～3, this disposable blood-taking device comprises blood taking needle 1, pedestal 4 and the housing 7 of rear end accumulation of energy, and described blood taking needle pedestal 11 both sides are provided with ear seat 12, the described blood taking needle outside fixedly installs wedge 2, and described blood taking needle front end is provided with and drives the driving device 3 that blood taking needle moves backward; When moving behind the blood taking needle, described wedge 2 touches driving ear seat fracture release blood taking needle with the ear seated connection and launches blood sampling.Be fixed with compression spring 5 on the described pedestal, described compression spring 5 other ends connect blood taking needle pedestal 11.
Blood taking needle comprises the nook closing member 13 and the fixing blood taking needle pedestal 11 of nook closing member, and described blood taking needle pedestal both sides are provided with first feather key 14, and the rear end of described feather key is provided with ear seat 12, and described nook closing member front end is provided with protector 6.Driving device 3 is a hollow tubular structure, and first gathering sill 31 that the inwall setting of described driving device cooperates with feather key 14, the front end of described driving device are provided with the through hole 32 that launches out for blood taking needle.Protector 6 comprises that the socket part 61 of an end suit nook closing member and the other end drive the grip part 62 of outwarding winding, described socket part inner hollow and nook closing member fitted seal, and upper end, described socket part is provided with limited block 63; Spacing hole 33 and socket part limited block 63 fitted seal blood taking needles are offered in described driving device rear end.
The pedestal upper end is provided with buckle 41, offers housing groove 71 on the described housing, and described buckle 41 cooperates fixing with housing groove 71.Described driving device 3 tube wall arranged outside second feather key 34, described housing 7 inboards are provided with second gathering sill 72, and described second feather key 34 cooperates with second gathering sill 72 and endwisely slips.Described housing inboard is provided with guide rail 73, offers the 3rd gathering sill 35 on the described driving device tube wall outer wall, and described guide rail 73 cooperates slip with the 3rd gathering sill.The rear end of the front end of described wedge and ear seat is the inclined-plane, and both inclined-planes cooperate contact.
When this blood-taking device is in original state, be arranged with protector on the blood taking needle nook closing member, because the effect of the spacing hole of protector socket part limited block and driving device, the blood taking needle nook closing member is in the sterile vacuum state; The compression spring of blood taking needle rear end does not carry out compress energy storage yet; When needs are taken a blood sample; make it break away from blood taking needle after protector rotated to an angle; the through hole that the blood sampling site of user is pressed activation point; move behind the driving device, the compression spring compress energy storage of blood taking needle rear end, when after when moving on to a certain degree; the ear seat of blood taking needle pedestal both sides is the wedge extrusion fracture; blood taking needle, makes blood taking needle be returned to spring and unclamps level because the compression spring recovers because the release of compression spring is launched out through hole and taken a blood sample.Can't continue to use owing to use back ear seat to rupture, prevent the secondary utilization of blood-taking device like this.
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 (9)
1. disposable blood-taking device, the blood taking needle (1) that comprises the rear end accumulation of energy, it is characterized in that described blood taking needle pedestal (11) both sides are provided with ear seat (12), the described blood taking needle outside fixedly installs wedge (2), and described blood taking needle front end is provided with and drives the driving device (3) that blood taking needle moves backward; When moving behind the blood taking needle, described wedge (2) touches driving ear seat fracture release blood taking needle with the ear seated connection and launches blood sampling.
2. disposable blood-taking device according to claim 1 is characterized in that described device also comprises pedestal (4), is fixed with compression spring (5) on the described pedestal, and described compression spring (5) other end connects blood taking needle pedestal (11).
3. disposable blood-taking device according to claim 1; it is characterized in that described blood taking needle comprises the nook closing member (13) and the fixing blood taking needle pedestal (11) of nook closing member; described blood taking needle pedestal both sides are provided with first feather key (14); the rear end of described feather key is provided with ear seat (12), and described nook closing member front end is provided with protector (6).
4. disposable blood-taking device according to claim 1, it is characterized in that described driving device (3) is a hollow tubular structure, first gathering sill (31) that the inwall setting of described driving device cooperates with feather key (14), the front end of described driving device are provided with the through hole (32) that launches out for blood taking needle; Described driving device rear end cooperates spacing with the ear seat of blood taking needle.
5. disposable blood-taking device according to claim 1, it is characterized in that described protector (6) comprises that the socket part (61) of an end suit nook closing member and the other end drive the grip part (62) of outwarding winding, described socket part inner hollow and nook closing member fitted seal, upper end, described socket part is provided with limited block (63); Spacing hole (33) and socket part limited block (63) fitted seal blood taking needle are offered in described driving device rear end.
6. disposable blood-taking device according to claim 1, it is characterized in that described device also comprises housing (7), described pedestal upper end is provided with buckle (41), offers housing groove (71) on the described housing, and described buckle (41) cooperates fixing with housing groove (71).
7. disposable blood-taking device according to claim 1, it is characterized in that described driving device (3) tube wall arranged outside second feather key (34), described housing (7) inboard is provided with second gathering sill (72), and described second feather key (34) cooperates with second gathering sill (72) and endwisely slips.
8. disposable blood-taking device according to claim 1 is characterized in that described housing inboard is provided with guide rail (73), offers the 3rd gathering sill (35) on the described driving device tube wall outer wall, and described guide rail (73) cooperates slip with the 3rd gathering sill.
9. disposable blood-taking device according to claim 1 is characterized in that the front end of described wedge and the rear end of ear seat are the inclined-plane, and both inclined-planes cooperate contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886211U CN201481428U (en) | 2009-08-10 | 2009-08-10 | Disposable blood sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201886211U CN201481428U (en) | 2009-08-10 | 2009-08-10 | Disposable blood sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201481428U true CN201481428U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201886211U Expired - Fee Related CN201481428U (en) | 2009-08-10 | 2009-08-10 | Disposable blood sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201481428U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599917A (en) * | 2012-03-28 | 2012-07-25 | 浙江大学 | Disposable blood sampling device with pre-coded two-dimensional barcodes |
| CN102697512A (en) * | 2012-06-04 | 2012-10-03 | 上海金塔医用器材有限公司 | Disposable safely-retracting blood taking needle |
| CN105496425A (en) * | 2015-01-20 | 2016-04-20 | 胡绍勤 | Safety blood taking needle structure |
| CN105640571A (en) * | 2015-01-20 | 2016-06-08 | 胡绍勤 | Safety blood taking needle structure |
| WO2016116015A1 (en) * | 2015-01-20 | 2016-07-28 | 胡绍勤 | Safe blood lancet structure |
| CN109646019A (en) * | 2019-02-15 | 2019-04-19 | 苏州施莱医疗器械有限公司 | Modified tail portion push type disposable safe hemostix |
| CN115868988A (en) * | 2021-09-28 | 2023-03-31 | 天津华鸿科技股份有限公司 | Blood taking needle |
-
2009
- 2009-08-10 CN CN2009201886211U patent/CN201481428U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102599917A (en) * | 2012-03-28 | 2012-07-25 | 浙江大学 | Disposable blood sampling device with pre-coded two-dimensional barcodes |
| CN102697512A (en) * | 2012-06-04 | 2012-10-03 | 上海金塔医用器材有限公司 | Disposable safely-retracting blood taking needle |
| CN105496425A (en) * | 2015-01-20 | 2016-04-20 | 胡绍勤 | Safety blood taking needle structure |
| CN105640571A (en) * | 2015-01-20 | 2016-06-08 | 胡绍勤 | Safety blood taking needle structure |
| WO2016116015A1 (en) * | 2015-01-20 | 2016-07-28 | 胡绍勤 | Safe blood lancet structure |
| WO2016115989A1 (en) * | 2015-01-20 | 2016-07-28 | 胡绍勤 | Safe blood lancet structure |
| CN105496425B (en) * | 2015-01-20 | 2019-04-09 | 广州市酷跑计算机科技有限公司 | A kind of safety type blood collecting needle construction |
| CN109646019A (en) * | 2019-02-15 | 2019-04-19 | 苏州施莱医疗器械有限公司 | Modified tail portion push type disposable safe hemostix |
| CN109646019B (en) * | 2019-02-15 | 2021-07-20 | 苏州施莱医疗器械有限公司 | Improved tail pressing type disposable safety hemostix |
| CN115868988A (en) * | 2021-09-28 | 2023-03-31 | 天津华鸿科技股份有限公司 | Blood taking needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120810 |