CN202761284U - Safe blood taking needle cylinder - Google Patents
Safe blood taking needle cylinder Download PDFInfo
- Publication number
- CN202761284U CN202761284U CN 201220307524 CN201220307524U CN202761284U CN 202761284 U CN202761284 U CN 202761284U CN 201220307524 CN201220307524 CN 201220307524 CN 201220307524 U CN201220307524 U CN 201220307524U CN 202761284 U CN202761284 U CN 202761284U
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- CN
- China
- Prior art keywords
- cylindrical shell
- position location
- needle
- blood taking
- safety sleeve
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- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a safe blood taking needle cylinder which comprises a cylinder body and a needle head; the needle head comprises an injection needle and a connector; one end of the connector is fixed with the injection needle, and the other end of the connector is in threaded connection with the cylinder body; the connector comprises an upper connector tube and a lower connector, wherein one end of the connector tube is used for fixing the injection needle, the lower connector is in threaded connection with the cylinder body, and the upper connector tube is sleeved on the lower connector; and a buckling cover used for closing the cylinder body is formed at the lower end of the cylinder body, one end of the buckling cover is hinged with the cylinder body, and the other end of the buckling cover is in buckle connection with the cylinder body. The blood taking needle cylinder can solve the problem that chemical examination can not be carried out until the conventional blood taking needle cylinder is transferred into a test tube after blood taking, and can allow the needle head to be concealed in a safe sleeve so as not to cause damage to personnel.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of blood sampling syringe.
Background technology
When Hospitals at Present is taken a blood sample chemical examination to patient, usually use disposable blood taking device to take a blood sample, after existing disposable blood taking device is taken a blood sample, usually the blood sample that gathers need to be transferred in vitro and then to blood sample chemically examining of chemical examination usefulness.Like this, blood sample is being transferred to chemical examination from hemostix with the process of test tube, in case careless manipulation easily produces the pollution to blood sample.
In addition, disposable blood taking device can be discarded behind sheathed plastic bushing on the entry needle after crossing, but the common defective tightness that cooperates of plastic bushing and entry needle, injection needle still easily is exposed to the outside, will cause like this syringe needle that is exposed because of carelessness of cleanup crew of medical worker or cleaning Biohazard Waste to be stabbed, serious also can cause wound infection.
Summary of the invention
For this reason, first technical problem to be solved in the utility model is to need to transfer to the problem that in vitro just can chemically examine after blood sampling of the prior art is taken a blood sample with syringe;
Second technical problem to be solved in the utility model is still easily to be exposed to outside problem after entry needle uses.
For solving the problems of the technologies described above, this utility model discloses a kind of safety blood taking syringe, and it is used in conjunction with the push rod that slides along described cylinder inboard wall, realizes blood sampling.It comprises cylindrical shell; Syringe needle, described syringe needle comprises entry needle and joint, and described joint one end is fixed described entry needle, and the other end is threadedly connected on the described cylindrical shell; Described joint is comprised of the top connection pipe of the fixing described entry needle of an end and the lower contact that is threadedly connected on the described cylindrical shell, and described top connection pipe box is located in the described lower contact;
The lower end of described cylindrical shell forms be used to the fastening lid of closing described cylindrical shell, and described fastening covers an end and described cylindrical shell is articulated and connected, and the other end is connected with described cylindrical shell buckle.
Be arranged with safety sleeve on the described syringe needle, the relatively described syringe needle of described safety sleeve is provided with the first position location and the second position location, and when described safety sleeve was in the first position location, described entry needle was exposed to outside the described safety sleeve; When described safety sleeve was in the second position location, described entry needle was hidden in the described safety sleeve.
Place, described the second position location is provided with a latch-up structure, and described latch-up structure comprises the draw-in groove that is arranged at the circumferential extension in edge on the described safety sleeve, and is arranged at the projection on the described joint, and it is inner that described projection is suitable for snapping in described draw-in groove.
Described safety sleeve is provided with the opening of rectangle between the first position location and the second position location, the bottom of described opening is communicated with described draw-in groove, and described projection can be slided along described opening.
Place, described the second position location is provided with a locking structure, and it comprises the lockhole that takes shape on the described safety sleeve, and described lockhole and described draw-in groove are on same circumferential surface, and its size is suitable for inserting described projection.
The technical solution of the utility model has following useful technique effect compared to existing technology:
(1) blood sampling of the present utility model forms the fastening lid of closing described cylindrical shell in the lower end of cylindrical shell with syringe, the joint of syringe needle is divided into top connection pipe and lower contact two joints, take a blood sample complete after, at first take out the top connection pipe, with a seal cover lower contact is covered, this syringe is turned over turnback, extract the push rod that is arranged in the cylindrical shell, with fastening the lower end that covers cylindrical shell; Can directly the blood transfer in the cylindrical shell be detected to laboratory like this, not need again with blood transfer to other in vitro.
(2) further, sheathed safe sleeve pipe arranges locking mechanism between sleeve pipe and the syringe needle on the syringe needle of the present utility model, like this, after the use, the projection on the syringe needle can be slipped into the inside grooves of locking mechanism, prevent that syringe needle is exposed to syringe outside and causes the problem of being stabbed by syringe needle.
(3) further, this second position location also arranges locking mechanism, is about to molding lockhole on the safe sleeve pipe, and the projection on the syringe needle enters behind the lockhole then again resilience and goes out.Syringe needle was retracted to safety sleeve inside after disposable blood sampling syringe was used, and can not resilience go out, and used safer.
Description of drawings
For this utility model is more clearly understood, below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.Wherein,
Fig. 1 is the cutaway view of safety blood taking syringe of the present utility model;
Fig. 2 is the structural representation of safety sleeve of the present utility model.
Reference numeral is expressed as among the figure:
The 1-cylindrical shell, 11-fastens lid, 2-syringe needle, 21-entry needle, 22-top connection pipe, 221-projection, 3-safety sleeve, 31-draw-in groove, 32-lockhole, 33-opening.
The specific embodiment
Fig. 1 is safety blood taking syringe of the present utility model, and it comprises cylindrical shell 1, is connected in the syringe needle 2 on the described cylindrical shell 1, and is sheathed on the safety sleeve 3 on the described syringe needle 2.
Wherein, the lower end of described cylindrical shell 1 forms be used to the fastening lid 11 of closing described cylindrical shell 1, and described fastening covers 11 1 ends and described cylindrical shell 1 is articulated and connected, and the other end is connected with described cylindrical shell 1 buckle.
Described syringe needle 2 comprises entry needle 21 and fixing entry needle 21 and be threadedly connected to joint on the described cylindrical shell 1; Wherein, described joint is comprised of the top connection pipe 22 of the fixing described entry needle 21 of an end and the lower contact 23 that is threadedly connected on the described cylindrical shell 1, and described top connection pipe 22 is sheathed in the described lower contact 23; Be arranged with safety sleeve 3 on the described syringe needle 2, the relatively described syringe needle 2 of described safety sleeve 3 is provided with the first position location and the second position location, and when described safety sleeve was in the first position location, described entry needle 21 was exposed to outside the described safety sleeve 3; When described safety sleeve 3 was in the second position location, described entry needle 21 was hidden in the described safety sleeve 3.
Place, described the second position location is provided with a latch-up structure, described latch-up structure comprises the draw-in groove 31 that is arranged at the circumferential extension in edge on the described safety sleeve 3, and be arranged at projection 221 on the described top connection pipe 22, described protruding 221 are suitable for snapping in described draw-in groove 31 inside.
Described safety sleeve 3 is provided with the opening 33 of rectangle between the first position location and the second position location, the bottom of described opening 33 is communicated with described draw-in groove 31, and described protruding 221 can slide along described opening 33.
In the present embodiment, described opening 33 forms a L-type draw-in groove with described draw-in groove 31, and described protruding 221 along described opening 33 slips, when sliding into the second position location, slips into and making described entry needle 21 lockings in the described draw-in groove 31.
For the projection 221 of the blood sampling syringe after preventing from using slides to the first position location along described opening 33, place, described the second position location is provided with a locking structure, it comprises the lockhole 32 that takes shape on the described safety sleeve 3, described lockhole 32 and described draw-in groove 31 are on same circumferential surface, and its size is suitable for inserting described protruding 221.
When using this safety blood taking syringe, at first make described protruding 221 to be arranged at the first position location, described entry needle 21 is exposed to outside the described safety sleeve 3, opens described fastening lid 11, is equipped with in the push rod of described cylindrical shell 1 inside and draws blood; Draw blood complete after, be arranged at the second position location with described protruding 221, described protruding 221 slide in the described draw-in groove 31, be that described syringe needle 2 is hidden in the described safety sleeve 3, take out top connection pipe 22, with a seal cover lower contact 23 is covered, this syringe is turned over turnback, extract the push rod that is arranged in the cylindrical shell, cover 11 lower ends that cover cylindrical shell 1 with fastening; Directly cylindrical shell 1 being delivered to laboratory detects.
Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive, and the apparent variation of being extended out thus or change still are in this utility model and create among the protection domain of claim.
Claims (5)
1. a safety blood taking syringe comprises
Cylindrical shell (1);
Syringe needle (2), described syringe needle (2) comprises entry needle (21) and joint, and described joint one end is fixed described entry needle (21), and the other end is threadedly connected on the described cylindrical shell (1);
It is characterized in that:
Described joint is comprised of the top connection pipe (22) of the fixing described entry needle (21) of an end and the lower contact (23) that is threadedly connected on the described cylindrical shell (1), and described top connection pipe (22) is sheathed in the described lower contact (23);
The lower end of described cylindrical shell (1) forms be used to the fastening lid (11) of closing described cylindrical shell (1), and described fastening lid (11) one ends and described cylindrical shell (1) are articulated and connected, and the other end is connected with described cylindrical shell (1) buckle.
2. safety blood taking syringe according to claim 1 is characterized in that:
Be arranged with safety sleeve (3) on the described syringe needle (2), the relatively described syringe needle of described safety sleeve (3) (2) is provided with the first position location and the second position location, when described safety sleeve was in the first position location, described entry needle (21) was exposed to outside the described safety sleeve (3); Described safety sleeve (3) is when being in the second position location, and described entry needle (21) is hidden in the described safety sleeve (3).
3. safety blood taking syringe according to claim 2 is characterized in that:
Place, described the second position location is provided with a latch-up structure, described latch-up structure comprises the draw-in groove (31) that is arranged at described safety sleeve (3) the circumferential extension in upper edge, and being arranged at projection (221) on the described top connection pipe (22), described projection (221) is suitable for snapping in described draw-in groove (31) inside.
4. safety blood taking syringe according to claim 3 is characterized in that:
Described safety sleeve (3) is provided with the opening (33) of rectangle between the first position location and the second position location, the bottom of described opening (33) is communicated with described draw-in groove (31), and described projection (221) can be slided along described opening (33).
5. safety blood taking syringe according to claim 3 is characterized in that:
Place, described the second position location is provided with a locking structure, and it comprises the lockhole (32) that takes shape on the described safety sleeve (3), and described lockhole (32) and described draw-in groove (31) are on same circumferential surface, and its size is suitable for inserting described projection (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307524 CN202761284U (en) | 2012-06-28 | 2012-06-28 | Safe blood taking needle cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307524 CN202761284U (en) | 2012-06-28 | 2012-06-28 | Safe blood taking needle cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202761284U true CN202761284U (en) | 2013-03-06 |
Family
ID=47767898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220307524 Expired - Lifetime CN202761284U (en) | 2012-06-28 | 2012-06-28 | Safe blood taking needle cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202761284U (en) |
-
2012
- 2012-06-28 CN CN 201220307524 patent/CN202761284U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210218 Address after: Luohe City, Henan province 462331 Yuanhui District Riverside Metro Xiangjiang Road Patentee after: Henan Shuguang Jianshi Industrial Development Co.,Ltd. Address before: Luohe City, Henan province 462331 Yuanhui District Riverside Metro Xiangjiang Road Patentee before: HENAN SHUGUANG JIANSHI MEDICAL EQUIPMENT GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |