CN201469282U - Disposable automatic blood sampling device with protection mechanism - Google Patents
Disposable automatic blood sampling device with protection mechanism Download PDFInfo
- Publication number
- CN201469282U CN201469282U CN2009201425431U CN200920142543U CN201469282U CN 201469282 U CN201469282 U CN 201469282U CN 2009201425431 U CN2009201425431 U CN 2009201425431U CN 200920142543 U CN200920142543 U CN 200920142543U CN 201469282 U CN201469282 U CN 201469282U
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- blood
- protection mechanism
- needle
- taking needle
- blood taking
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Abstract
The utility model discloses a disposable automatic blood sampling device with a protection mechanism. The disposable automatic blood sampling device comprises a blood sampling needle (1), and is characterized in that a protection mechanism (2) is sleeved on the body (11) of the blood sampling needle, and is fixedly connected with the blood sampling needle. Through fixing the blood sampling needle of a protection device, the asepsis of the blood sampling device before use is guaranteed, and the blood sampling device is prevented from failing in advance. The blood sampling device with blood sampling needle preparation has the characteristics of automatic blood sampling effect, can carry out the fixation blood sampling, and prevents secondary utilization.
Description
Technical field
This utility model belongs to medical blood taking instrument field, is specifically related to a kind of disposable automatic blood-taking device with protection mechanism.
Background technology
Adopt syringe to take a blood sample and have certain risk, inappropriate operation can cause cross infection.So blood collection needle requires user to have certain technical requirements.Automatic blood-taking needle more and more is subjected to liking of medical personnel as a kind of small and exquisite, convenient, fast, safe blood sampling instrument in the prior art, has improved the submissiveness of user.。
Because the advantage of automatic blood-taking needle, the employing of automatic blood sampler gets more and more in the actual life, especially in nursery work.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.Blood taking needle and protection sleeve and blood taking needle split in this invention, during use, by pulling out the protection sleeve, just can effectively take a blood sample.Yet in actual life, this blood taking needle usually lost efficacy owing to blood taking needle before using launches out.Confirm that after deliberation this blood-taking device causes protecting sleeve to come off easily in processes such as transporting, place, move, as long as and blood taking needle is ejected because blood-taking device is subjected to less pressure.The present invention therefore.
Summary of the invention
This utility model purpose is to provide a kind of disposable automatic blood-taking device with protection mechanism, solved the ineffective blood taking needle problems such as having certain potential safety hazard that lost efficacy easily, takes a blood sample that causes of the blood taking needle protection of blood-taking device in the prior art.
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 automatic blood-taking device with protection mechanism comprises blood taking needle, it is characterized in that being arranged with protection mechanism on the needle body of described blood taking needle, and described protection mechanism is fixedlyed connected with blood taking needle.
Preferably, described protection mechanism rear end is a hollow tubular structure, is sleeved on the blood taking needle needle body and with the blood taking needle needle stand and fixedlys connected.
Preferably, described protection mechanism front end is a rotating handles, and described rotating handles is provided with non-slip nosing.
Preferably, described blood taking needle rear end is connected with the pedestal of blood-taking device by the compression spring, and the setting of described blood taking needle both sides cooperates spacing elastic clip with blood taking needle.
Preferably, the inboard of described elastic clip is provided with limited impression, and described blood taking needle needle stand both sides are provided with positive stop, and described positive stop cooperates spacing with limited impression.
Preferably, the tubular structure of described protection mechanism and blood taking needle needle stand are fixedlyed connected by the hollow pipe that easily twists off material and make, and between described tubular structure and rotating handles locating piece are set.
Preferably, described elastic clip and blood taking needle arranged outside have drive shell, and the rear end of described drive shell is provided with that the fixed stroke limit piece that is arranged on the elastic clip outside cooperates spacing on buckle and the pedestal; The front end of described drive shell is provided with the through hole for the blood taking needle turnover.
Preferably, described drive shell is a hollow structure, is sleeved on elastic clip and the blood taking needle; Described drive shell middle part is provided with the wedge shape drive block, and the inclined-plane of described wedge shape drive block cooperates with elastic clip and opens elastic clip.
Preferably, described blood taking needle needle stand upper and lower end face is provided with axial feather key, and the setting of medial surface up and down of described drive shell cooperates the directed gathering sill that slides with feather key.
Preferably, described through hole is the reducing through hole, described protection mechanism rear end is fixed on the blood taking needle needle stand by the hollow pipe that easily twists off material and make, and front end passes the reducing through hole, and the locating piece that the protection mechanism both sides are provided with cooperates positioning limit with the less internal diameter of reducing through hole; Described through hole peripheral distribution is provided with a plurality of massage projections.
Preferably, the containing cavity of protector is the sterile vacuum chamber outside the described needle body.
Preferably, described elastic clip rear end is fixed on the pedestal, and its front end has the inclined-plane that is obliquely installed; The wedge shape drive block both sides of described drive shell are that inclined ramp cooperates driving with elastic clip front end inclined-plane.
Preferably, described elastic clip arranged outside stroke limit piece, described stroke limit piece and elastic clip are fixed, and the setting of described drive shell rear inside cooperates the buckle of spacing stroke with the stroke limit piece.
This blood-taking device adopts the limited impression inboard of blood taking needle positive stop and elastic clip to cooperate spacing compression spring; Positive stop moves cooperate the prevention limited block with the elastic clip front end after.When this blood-taking device was in original state, protector was because be to solidify blood taking needle, and the effect of the limited impression by positive stop and elastic clip, compressed 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 the retroaction promotion drive shell of human body to blood-taking device, described drive shell cooperates the promotion elastic clip to open to both sides by wedge shape drive block inclined-plane, and 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; 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.
This utility model advantage is:
1, the blood taking needle of disposable blood-taking device adopts fixedly suit protector of the needle body and the outside in the technical scheme of the present invention, has guaranteed that from the position blood taking needle can't eject with spacing the fixing reducing through hole by protector under untapped state; And, make the needle body of blood taking needle, needle tubing keep gnotobasis by the rear end inner chamber purification of protector, the germ contamination before preventing to take a blood sample by the suit protector.
2, adopting the protector front end in the optimal technical scheme of the present invention is that flat forms rotating handles; The surface of described rotating handles is provided with non-slip nosing.Because the through hole that the drive shell front end is offered for blood taking needle ejaculation and retraction is the reducing through hole; behind rotating handles rotation protection device certain angle; the material that easily twists off of protector and needle stand fixing seal twists off; protector takes out than large diameter by through hole, and blood taking needle is a serviceable condition.Owing to locating piece is set on the protector, by the cooperate axially-movable that limit blood taking needle of locating piece, play a protective role with the less internal diameter of through hole, can prevent in the unusual fluctuation of blood taking needle under the situation such as transporting, move.
3, at the drive shell medial surface gathering sill is set in the preferred technical solution of the present invention, described gathering sill cooperates slip with the feather key that blood taking needle axially is provided with, and can prevent that blood taking needle from moving radial, can realize locating preferably blood sampling.In addition, the inventor has also designed a kind of measure that increases the blood sampling effect through studying for a long period of time, offers through hole that penetrates for blood taking needle and the projection that is used to massage blood vessel in through hole distribution on every side as what adopt in the optimal technical scheme of the present invention at the housing front end; By the massage effect of projection, can play better blood sampling purpose, and reduce the pain when taking a blood sample blood vessel; Even some are showed unsharp blood vessel can take a blood sample.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further described:
Fig. 1 is the protection mechanism sketch map of the disposable automatic blood-taking device blood taking needle of this utility model embodiment; Wherein protection mechanism is in the front;
Fig. 2 is the protection mechanism sketch map of the disposable automatic blood-taking device blood taking needle of this utility model embodiment; Wherein protection mechanism is in the side;
Fig. 3 is the structural representation of the disposable automatic blood-taking device of this utility model embodiment;
Fig. 4 is the disposable automatic blood-taking device deploying device front-end view of Fig. 3.
Wherein: 1 is blood taking needle, and 2 is protector, and 3 is spring, and 4 is pedestal, and 5 is elastic clip; 6 is limited impression; 7 is drive shell; 11 is needle body, and 12 is needle stand, and 13 is positive stop, and 14 is feather key; 21 is tubular structure; 22 is rotating handles; 23 is hollow pipe; 24 is locating piece; 25 is non-slip nosing;
71 is buckle; 72 is the stroke limit piece; 73 is through hole; 74 is the wedge shape drive block; 75 is gathering sill; 76 are the massage projection.
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. 1～4, this a kind of disposable automatic blood-taking device with protection mechanism comprises blood taking needle 1, is arranged with protection mechanism 2 on the needle body 11 of described blood taking needle, described protection mechanism is fixedlyed connected with blood taking needle.
The protection mechanism rear end is a hollow tubular structure 21, is sleeved on the blood taking needle needle body and with blood taking needle needle stand 12 to fixedly connected.Described protection mechanism front end is a rotating handles 22, and described rotating handles is provided with non-slip nosing 25.The tubular structure of described protection mechanism and blood taking needle needle stand are fixedlyed connected by the hollow pipe 23 that easily twists off material and make, and locating piece 24 is set between described tubular structure and rotating handles.
The blood taking needle rear end is connected with the pedestal 4 of blood-taking device by compression spring 3, and the setting of described blood taking needle both sides cooperates spacing elastic clip 5 with blood taking needle.The inboard of described elastic clip is provided with limited impression 6, and described blood taking needle needle stand both sides are provided with positive stop 13, and described positive stop cooperates spacing with limited impression.Described blood taking needle needle stand upper and lower end face is provided with axial feather key 14, and the setting of medial surface up and down of described drive shell cooperates the directed gathering sill 75 that slides with feather key.
Elastic clip and blood taking needle arranged outside have drive shell 7, and the rear end of described drive shell is provided with that the fixed stroke limit piece 72 that is arranged on the elastic clip outside cooperates spacing on buckle 71 and the pedestal; The front end of described drive shell is provided with the through hole 73 for the blood taking needle turnover.Described drive shell is a hollow structure, is sleeved on elastic clip and the blood taking needle; Described drive shell middle part is provided with wedge shape drive block 74, and the inclined-plane of described wedge shape drive block cooperates with elastic clip and opens elastic clip.
Through hole is a reducing through hole 73, and described protection mechanism rear end is fixed on the blood taking needle needle stand by the hollow pipe that easily twists off material and make, and front end passes the reducing through hole, and the locating piece that the protection mechanism both sides are provided with cooperates positioning limit with the less internal diameter of reducing through hole; Described through hole peripheral distribution is provided with a plurality of massage projections 76.
This blood-taking device adopts the limited impression inboard of blood taking needle positive stop and elastic clip to cooperate spacing compression spring; Positive stop moves cooperate the prevention limited block with the elastic clip front end after.When this blood-taking device was in original state, protector was because be to solidify blood taking needle, and the effect of the limited impression by positive stop and elastic clip, compressed 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 the retroaction promotion drive shell of human body to blood-taking device, described drive shell cooperates the promotion elastic clip to open to both sides by wedge shape drive block inclined-plane, and 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; 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 (10)
1. the disposable automatic blood-taking device with protection mechanism comprises blood taking needle (1), it is characterized in that being arranged with protection mechanism (2) on the needle body (11) of described blood taking needle, and described protection mechanism is fixedlyed connected with blood taking needle.
2. the disposable automatic blood-taking device with protection mechanism according to claim 1 is characterized in that described protection mechanism rear end is hollow tubular structure (21), is sleeved on the blood taking needle needle body and with blood taking needle needle stand (12) and fixedlys connected.
3. the disposable automatic blood-taking device with protection mechanism according to claim 1 is characterized in that described protection mechanism front end is rotating handles (22), and described rotating handles is provided with non-slip nosing (25).
4. according to claim 2 or 3 described disposable automatic blood-taking devices with protection mechanism; the tubular structure that it is characterized in that described protection mechanism and blood taking needle needle stand are fixedlyed connected by the hollow pipe (23) that easily twists off material and make, and locating piece (24) is set between described tubular structure and rotating handles.
5. the disposable automatic blood-taking device with protection mechanism according to claim 1; it is characterized in that described blood taking needle rear end is connected with the pedestal (4) of blood-taking device by compression spring (3), the setting of described blood taking needle both sides cooperates spacing elastic clip (5) with blood taking needle.
6. the disposable automatic blood-taking device with protection mechanism according to claim 5; the inboard that it is characterized in that described elastic clip is provided with limited impression (6); described blood taking needle needle stand both sides are provided with positive stop (13), and described positive stop cooperates spacing with limited impression.
7. the disposable automatic blood-taking device with protection mechanism according to claim 5, it is characterized in that described elastic clip and blood taking needle arranged outside have drive shell (7), the rear end of described drive shell is provided with that the fixed stroke limit piece (72) that is arranged on the elastic clip outside cooperates spacing on buckle (71) and the pedestal; The front end of described drive shell is provided with the through hole (73) for the blood taking needle turnover.
8. the disposable automatic blood-taking device with protection mechanism according to claim 7 is characterized in that described drive shell is a hollow structure, is sleeved on elastic clip and the blood taking needle; Described drive shell middle part is provided with wedge shape drive block (74), and the inclined-plane of described wedge shape drive block cooperates with elastic clip and opens elastic clip.
9. the disposable automatic blood-taking device with protection mechanism according to claim 7; it is characterized in that described blood taking needle needle stand upper and lower end face is provided with axial feather key (14), the setting of medial surface up and down of described drive shell cooperates the directed gathering sill (75) that slides with feather key.
10. the disposable automatic blood-taking device with protection mechanism according to claim 7, it is characterized in that described through hole is reducing through hole (73), described protection mechanism rear end is fixed on the blood taking needle needle stand by the hollow pipe that easily twists off material and make, front end passes the reducing through hole, and the locating piece that the protection mechanism both sides are provided with cooperates positioning limit with the less internal diameter of reducing through hole; Described through hole peripheral distribution is provided with a plurality of massage projections (76).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201425431U CN201469282U (en) | 2009-04-22 | 2009-04-22 | Disposable automatic blood sampling device with protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201425431U CN201469282U (en) | 2009-04-22 | 2009-04-22 | Disposable automatic blood sampling device with protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201469282U true CN201469282U (en) | 2010-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201425431U Expired - Fee Related CN201469282U (en) | 2009-04-22 | 2009-04-22 | Disposable automatic blood sampling device with protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201469282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103330973A (en) * | 2013-06-08 | 2013-10-02 | 赵磊 | Injection device and preparation method thereof |
| CN111214244A (en) * | 2019-09-17 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking needle and blood taking pen with same |
-
2009
- 2009-04-22 CN CN2009201425431U patent/CN201469282U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103330973A (en) * | 2013-06-08 | 2013-10-02 | 赵磊 | Injection device and preparation method thereof |
| CN111214244A (en) * | 2019-09-17 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking needle and blood taking pen with same |
| CN111214244B (en) * | 2019-09-17 | 2022-09-13 | 天津华鸿科技股份有限公司 | Blood taking needle and blood taking pen with same |
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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: 20100519 Termination date: 20120422 |