CN104146717A - Disposable arterial blood taking needle - Google Patents
Disposable arterial blood taking needle Download PDFInfo
- Publication number
- CN104146717A CN104146717A CN201410356222.7A CN201410356222A CN104146717A CN 104146717 A CN104146717 A CN 104146717A CN 201410356222 A CN201410356222 A CN 201410356222A CN 104146717 A CN104146717 A CN 104146717A
- Authority
- CN
- China
- Prior art keywords
- syringe
- needle
- head
- needle head
- arterial 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
Links
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a disposable arterial blood taking needle and relates to the technical field of medical equipment. The disposable arterial blood taking needle comprises a syringe, a needle head, a needle cap, a piston and a mandrel, a needle head seat with a thread is arranged at the front end of the syringe, the needle head is connected with the syringe through the needle head seat, the needle cap covers the needle head, the mandrel with the front provided with the piston is arranged in the syringe, the needle head is provided with a needle head protective cover which is a plastic drum with one end open and the other end closed, a cylindrical rubber plug is arranged in the needle head protective cover and is close to the closed end of the plastic drum, the inner wall of the open end of the plastic drum is a screwed socket, the outer wall of a round plastic head at the tail of the needle head is provided with a thread, and the needle head is connected with the plastic drum through the thread of the round plastic head at the tail. The needle head protective cover can seal the needle head and can also serve as a cap of the blood taking needle, and the blood taking needle with the cap and a protective rubber head of the needle head combined is simple and convenient to use.
Description
?
Technical field
The present invention relates to technical field of medical instruments, be specifically related to a kind of disposable arterial blood drawing pin.
Background technology
Needs along with hospital patient blood letting, hospital is widely used disposable arterial blood drawing pin now, for human body artery blood, gathers, and carries out blood sample analysis, the patent of invention that China's application number is 200920030045.8 discloses a kind of arterial blood drawing pin, this blood taking needle is easy for operation, can avoid blood sample to contact with air, but after this blood taking needle blood sampling finishes, there is no needle protection device, security performance is not high, and blood taking needle lid is not set yet, and inconvenience is preserved.
Summary of the invention
The object of the present invention is to provide a kind of disposable arterial blood drawing pin, to solve the above-mentioned multinomial defect causing in prior art.
A kind of disposable arterial blood drawing pin, comprise syringe, syringe needle, pin cap, piston, core bar, described syringe front end is provided with threaded needle holder, described syringe needle is connected with syringe by needle holder, described pin cap is on syringe needle, it in described syringe, is the anterior core bar that piston is installed, it is characterized in that, described syringe needle is provided with needle shield, described needle shield is the plastic cylinder of end opening one end sealing, the internal diameter of described plastic cylinder is identical with the round plastic head external diameter of syringe needle afterbody, in described needle shield, be provided with a cylindrical rubber plug, the length of described rubber stopper is 1/3rd of needle length, diameter is identical with the internal diameter of plastic cylinder, described rubber stopper is near the blind end of plastic cylinder, the inwall of described plastic cylinder opening one end is screw socket, the round plastic head outer wall of described syringe needle afterbody is provided with screw thread, described syringe needle is connected with plastic cylinder by the round plastic head thread of afterbody.
Preferably, the top of the round plastic head of described syringe needle afterbody connects a short circular syringe, and the length of short circular syringe is half of syringe length, the internal diameter of short circular syringe and the external diameter of syringe just as.
Preferably, the outer wall of described short circular syringe is provided with anti-skidding striped.
The invention has the advantages that: a kind of disposable arterial blood drawing pin, comprise syringe, syringe needle, pin cap, piston, core bar, syringe front end is provided with threaded needle holder, syringe needle is connected with syringe by needle holder, pin cap is on syringe needle, it in syringe, is the anterior core bar that piston is installed, syringe needle is provided with needle shield, needle shield is the plastic cylinder of end opening one end sealing, the internal diameter of plastic cylinder is identical with the round plastic head external diameter of syringe needle afterbody, in needle shield, be provided with a cylindrical rubber plug, the length of rubber stopper is 1/3rd of needle length, diameter is identical with the internal diameter of plastic cylinder, rubber stopper is near the blind end of plastic cylinder, the inwall of plastic cylinder opening one end is screw socket, the round plastic head outer wall of syringe needle afterbody is provided with screw thread, syringe needle is connected with plastic cylinder by the round plastic head thread of afterbody, needle shield both can be after blood sampling have finished, seal syringe needle, can be used as again the lid of blood taking needle, this device that lid and needle protection Rubber end are combined, use simple and convenient.
The top of the round plastic head of syringe needle afterbody connects a short circular syringe, the length of short circular syringe is half of syringe length, the internal diameter of short circular syringe and the external diameter of syringe just as, can be in the situation that not needing to catch contact pilotage head, by rotating short circular syringe, syringe needle is taken down, the outer wall of short circular syringe is provided with anti-skidding striped, can prevent from skidding when getting syringe needle.
Accompanying drawing explanation
Fig. 1 is the front view of embodiment 1.
Fig. 2 is the front view of medicated pillow protective cover in embodiment 1.
Fig. 3 is the front view of embodiment 2 short-and-medium circular syringes.
Wherein: 1-syringe, 2-syringe needle, 3-pin cap, 4-piston, 5-core bar, 6-needle holder, 7-needle shield, 8-round plastic head, 9-rubber stopper, 10-short circular syringe, 11-anti-skidding striped.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the present invention.
embodiment 1:
As shown in Figure 1, a kind of disposable arterial blood drawing pin, comprise syringe 1, syringe needle 2, pin cap 3, piston 4, core bar 5, syringe 1 front end is provided with threaded needle holder 6, syringe needle 2 is connected with syringe 1 by needle holder 6, pin cap 3 covers on syringe needle 2, it in syringe 1, is the anterior core bar 5 that piston 4 is installed, syringe needle 2 is provided with needle shield 7, needle shield 7 is the plastic cylinder of end opening one end sealing, the internal diameter of plastic cylinder is identical with round plastic head 8 external diameters of syringe needle 2 afterbodys, in needle shield 7, be provided with a cylindrical rubber plug 9, the length of rubber stopper 9 is 1/3rd of syringe needle 2 length, diameter is identical with the internal diameter of plastic cylinder, rubber stopper 9 is near the blind end of plastic cylinder, the inwall of plastic cylinder opening one end is screw socket, round plastic head 8 outer walls of syringe needle 2 afterbodys are provided with screw thread, syringe needle 2 is connected with plastic cylinder by round plastic head 8 screw threads of afterbody, needle shield 7 both can be after blood sampling have finished, seal syringe needle 2, can be used as again the lid of blood taking needle, this device that lid and syringe needle 2 proof rubber heads are combined, use simple and convenient.
embodiment 2:
As shown in Figure 2, all the other are identical with embodiment 1, difference is, the top of the round plastic head 8 of syringe needle 2 afterbodys connects a short circular syringe 10, and the length of short circular syringe 10 is half of syringe 1 length, the external diameter of the internal diameter of short circular syringe 10 and syringe 1 just as, can be in the situation that not needing to catch contact pilotage head, by rotating short circular syringe 10, syringe needle 2 is taken down, the outer wall of short circular syringe 10 is provided with anti-skidding striped 11, can prevent from skidding when getting syringe needle 2.
More than show and described ultimate principle and principal character and the advantage of the present invention of invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; description in above-described embodiment and description just illustrates principle of the present invention; do not departing under the prerequisite of the present invention's spirit scope; the present invention also has various variations and improvement; these changes and improvements are all in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. a disposable arterial blood drawing pin, comprise syringe, syringe needle, pin cap, piston, core bar, described syringe front end is provided with threaded needle holder, described syringe needle is connected with syringe by needle holder, described pin cap is on syringe needle, it in described syringe, is the anterior core bar that piston is installed, it is characterized in that, described syringe needle is provided with needle shield, described needle shield is the plastic cylinder of end opening one end sealing, the internal diameter of described plastic cylinder is identical with the round plastic head external diameter of syringe needle afterbody, in described needle shield, be provided with a cylindrical rubber plug, the length of described rubber stopper is 1/3rd of needle length, diameter is identical with the internal diameter of plastic cylinder, described rubber stopper is near the blind end of plastic cylinder, the inwall of described plastic cylinder opening one end is screw socket, the round plastic head outer wall of described syringe needle afterbody is provided with screw thread, described syringe needle is connected with plastic cylinder by the round plastic head thread of afterbody.
2. a kind of disposable arterial blood drawing pin according to claim 1, it is characterized in that: the top of the round plastic head of described syringe needle afterbody connects a short circular syringe, the length of short circular syringe is half of syringe length, the internal diameter of short circular syringe and the external diameter of syringe just as.
3. a kind of disposable arterial blood drawing pin according to claim 2, is characterized in that: the outer wall of described short circular syringe is provided with anti-skidding striped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356222.7A CN104146717A (en) | 2014-07-24 | 2014-07-24 | Disposable arterial blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410356222.7A CN104146717A (en) | 2014-07-24 | 2014-07-24 | Disposable arterial blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104146717A true CN104146717A (en) | 2014-11-19 |
Family
ID=51872506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410356222.7A Pending CN104146717A (en) | 2014-07-24 | 2014-07-24 | Disposable arterial blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104146717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495674A (en) * | 2015-11-27 | 2018-09-04 | 赛诺菲-安万特德国有限公司 | Injection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2287463Y (en) * | 1997-01-03 | 1998-08-12 | 孙善初 | Disposable blood sampling and serum separator |
| CN2404484Y (en) * | 1999-12-23 | 2000-11-08 | 杭州市第二人民医院 | Disposable sampler for arterial blood |
| CN201320173Y (en) * | 2008-12-10 | 2009-10-07 | 刘毓和 | Blood gas analysis needle |
| CN201609369U (en) * | 2010-02-10 | 2010-10-20 | 林燕 | Hemostix |
| CN201949016U (en) * | 2010-10-09 | 2011-08-31 | 刘文浩 | Arterial blood sample collector |
-
2014
- 2014-07-24 CN CN201410356222.7A patent/CN104146717A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2287463Y (en) * | 1997-01-03 | 1998-08-12 | 孙善初 | Disposable blood sampling and serum separator |
| CN2404484Y (en) * | 1999-12-23 | 2000-11-08 | 杭州市第二人民医院 | Disposable sampler for arterial blood |
| CN201320173Y (en) * | 2008-12-10 | 2009-10-07 | 刘毓和 | Blood gas analysis needle |
| CN201609369U (en) * | 2010-02-10 | 2010-10-20 | 林燕 | Hemostix |
| CN201949016U (en) * | 2010-10-09 | 2011-08-31 | 刘文浩 | Arterial blood sample collector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495674A (en) * | 2015-11-27 | 2018-09-04 | 赛诺菲-安万特德国有限公司 | Injection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205041448U (en) | Blood is bone marrow puncture draw -out device for internal medicine | |
| CN104146717A (en) | Disposable arterial blood taking needle | |
| CN204863220U (en) | Disposable antivacuum heparin tube | |
| CN205041362U (en) | Puncture sheath base pin of peritoneoscope | |
| CN207356327U (en) | A kind of Anti-stabbing type syringe | |
| CN104399152A (en) | Medical injector | |
| CN201481935U (en) | Disposable safety injection syringe with automatic retractable and replaceable needle head | |
| MX370463B (en) | Huber needle assembly with safety capture device. | |
| CN110812604B (en) | Fixed needle puncture-proof syringe | |
| CN206391294U (en) | A kind of remaining needle with safety device | |
| CN207886484U (en) | A kind of syringe | |
| CN204092689U (en) | A kind of intestine moistening gel instrument for defecation | |
| CN206391308U (en) | A kind of safe injection needle | |
| CN205031274U (en) | Can prevent for internal medicine blood collection system of blood that needle body deviates from | |
| CN206473422U (en) | A kind of experimental rat holder | |
| CN203576462U (en) | Speculum protection sleeve | |
| CN105105868B (en) | Disposable breast prosthesis injector | |
| CN204813908U (en) | Blood ware is store in disposable blood sampling | |
| CN203043178U (en) | Filtering type syringe | |
| CN207202917U (en) | A kind of new puncture needle for hypodermic tunnel syringe needle | |
| CN205514695U (en) | Disposable brain biopsy needle | |
| CN203183426U (en) | Medical blocking-type bottle with good sealing performance | |
| CN203852360U (en) | Novel blood collecting apparatus | |
| CN208212258U (en) | A kind of inlet anti-dropout anti-contamination transfusion apparatus | |
| CN102688147B (en) | Medicine bottle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141119 |
|
| RJ01 | Rejection of invention patent application after publication |