CN203988081U - A kind of blood returning type blood taking needle - Google Patents
A kind of blood returning type blood taking needle Download PDFInfo
- Publication number
- CN203988081U CN203988081U CN201420478477.6U CN201420478477U CN203988081U CN 203988081 U CN203988081 U CN 203988081U CN 201420478477 U CN201420478477 U CN 201420478477U CN 203988081 U CN203988081 U CN 203988081U
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- needle
- blood
- protecting sheathing
- venipuncture
- stand
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Abstract
The utility model discloses a kind of blood returning type blood taking needle; aim to provide a kind of blood returning type blood taking needle that can prevent that medical worker from being stabbed; its technical scheme main points are to be provided with telescopic protecting sheathing at vein puncture needle head; the shell protection needle point that can stretch; avoid needle point to expose, thereby reach the effect of protection.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, and more particularly, it relates to a kind of blood returning type blood taking needle.
Background technology
At present, application number is that the Chinese patent of CN201220359185.1 discloses a kind of safety type blood returning type blood taking needle, it comprises needle tubing, needle stand, resistance blood rubber sleeve, needle tubing is the two-way puncture needle of monoblock type, one end is venipuncture needle, and the other end is pipe close puncture needle, and needle stand is comprised of pipe close Paracentesis needle holder and venipuncture needle stand, venipuncture needle is provided with blood back micropore, and venipuncture needle stand is provided with folding venipuncture needle retaining clip.
Although this safety type blood returning type blood taking needle is provided with folding venipuncture needle retaining clip, the visible blood taking needle of this safety type in use retaining clip struts, and is unfavorable for the use of blood taking needle.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of visible blood taking needle with flexible venipuncture needle protective sleeve.
For achieving the above object, this utility model provides following technical scheme: a kind of blood returning type blood taking needle, comprise needle tubing, needle stand, resistance blood rubber sleeve, described needle tubing is the two-way puncture needle of monoblock type, the two-way puncture needle of monoblock type runs through needle stand, one end of the two-way puncture needle of monoblock type is venipuncture needle, the other end of the two-way puncture needle of monoblock type is pipe close puncture needle, needle stand comprises pipe close Paracentesis needle holder and is provided with the venipuncture needle stand of cavity, in cavity, be provided with blood back form sleeve pipe, it is outside that resistance blood rubber sleeve is set in pipe close puncture needle, the opening of resistance blood rubber sleeve is fixed on pipe close Paracentesis needle holder, needle tubing in blood back form cannula cavity is provided with blood back micropore, described venipuncture needle stand is provided with the telescopic protective cover for the protection of venipuncture needle.
By adopting technique scheme, it is more convenient that described flexible venipuncture needle protective sleeve is used blood taking needle, safety, and after using, protective sleeve stretches out protection venipuncture needle, prevents from stabbing medical worker when reclaiming, and prevents cross infection.
This utility model is further set to: described protective sleeve comprises protecting sheathing and for the protection of the retractor device of venipuncture needle, protecting sheathing one end is circular open, needle stand and circular open tabling, and retractor device is positioned at protecting sheathing inside.
By adopting technique scheme, described protective sleeve is realized protection venipuncture needle by inner retractor device, steady, safety while making blood taking needle work that protecting sheathing and needle stand are chimeric.
This utility model is further set to: described retractor device comprises spring, baffle plate and for preventing that blood taking needle from ejecting the limiting structure of protecting sheathing; baffle plate is positioned at a side relative to circular open on protecting sheathing; baffle plate center is provided with the through hole passing through for venipuncture needle; the venipuncture needle end of venipuncture needle stand offers annular groove; spring one end is entrenched in annular groove; the spring other end is connected with protecting sheathing baffle plate, and limiting structure is positioned at the inside of protecting sheathing circular open ends.
By adopting technique scheme; the through hole at described baffle plate center can make venipuncture needle pass through, and annular groove can fixing spring, baffle plate, spring and the Telescopic of realizing venipuncture needle coordinating of groove; limiting structure can prevent that blood taking needle from ejecting protecting sheathing when work, prevents from hurting sb.'s feelings.
This utility model is further set to: described limiting structure comprise be located at protecting sheathing inwall L-type draw-in groove and be located at the bayonet lock on needle stand, bayonet lock is entrenched in the L-type draw-in groove on protecting sheathing inwall.
By adopting technique scheme, described bayonet lock and protecting sheathing inwall tabling have prevented that blood taking needle and needle stand from departing from mutually, make the connection of protecting sheathing and needle stand more compact, firm, safer while making blood taking needle use.
Accompanying drawing explanation
Fig. 1 is the cutaway view of this utility model blood returning type blood taking needle embodiment;
Fig. 2 is the protecting sheathing figure of this utility model blood returning type blood taking needle embodiment.
Reference numeral: 1, needle stand; 2, protecting sheathing; 3, two-way puncture needle; 4, blood back window pipe box; 5, spring; 6, resistance blood rubber sleeve; 11, venipuncture needle stand; 12, pipe close Paracentesis needle holder; 13, bayonet lock; 14, annular groove; 21, L-type draw-in groove; 22, through hole; 31, blood back micropore.
The specific embodiment
Referring to figs. 1 through Fig. 2, this utility model blood returning type blood taking needle embodiment is described further.
As shown in Figure 1 to Figure 2, a kind of blood returning type blood taking needle, comprise needle tubing, needle stand 1, resistance blood rubber sleeve 6, described needle tubing is the two-way puncture needle 3 of monoblock type, the two-way puncture needle 3 of monoblock type runs through needle stand 1, one end of the two-way puncture needle 3 of monoblock type is venipuncture needle, the other end of the two-way puncture needle 3 of monoblock type is pipe close puncture needle, needle stand 1 comprises pipe close Paracentesis needle holder 12 and is provided with the venipuncture needle stand 11 of cavity, in cavity, be provided with blood back form sleeve pipe 4, resistance blood rubber sleeve 6 is set in pipe close puncture needle 12 outsides, the opening of resistance blood rubber sleeve 6 is fixed on pipe close Paracentesis needle holder 12, needle tubing in blood back form sleeve pipe 4 inner chambers is provided with blood back micropore 31, described venipuncture needle stand 11 is provided with the telescopic protective cover for the protection of venipuncture needle.
It is more convenient that described flexible venipuncture needle protective sleeve is used blood taking needle, safety, and after using, protective sleeve stretches out protection venipuncture needle, prevents from stabbing medical worker when reclaiming, and prevents cross infection.
Described protective sleeve comprises protecting sheathing 2 and for the protection of the retractor device of venipuncture needle, protecting sheathing 2 one end are circular open, needle stand 1 and circular open tabling, and retractor device is positioned at protecting sheathing 2 inside.
Described protective sleeve passes through inner retractor device and realizes protection venipuncture needle, steady, safety when protecting sheathing 2 makes blood taking needle work with needle stand 1 is chimeric.
Described retractor device comprises spring 5, baffle plate and for preventing that blood taking needle from ejecting the limiting structure of protecting sheathing 2; baffle plate is positioned at a side relative to circular open on protecting sheathing 2; baffle plate center is provided with the through hole 22 passing through for venipuncture needle; the venipuncture needle end of needle stand 1 offers annular groove 14; spring 5 one end are entrenched in annular groove 14; spring 5 other ends are connected with protecting sheathing 2 baffle plates, and limiting structure is positioned at the inside of protecting sheathing 2 circular open ends.
The through hole 22 at described baffle plate center can make venipuncture needle pass through; annular groove 14 can fixing spring 5; baffle plate, spring 5 and the Telescopic of realizing venipuncture needle coordinating of groove 14, limiting structure can prevent that blood taking needle from ejecting protecting sheathing when work, prevents from hurting sb.'s feelings.
Described limiting structure comprises and is located at the L-type draw-in groove 21 of protecting sheathing 2 inwalls and is located at the bayonet lock 13 on needle stand 1, and bayonet lock 13 is entrenched in the L-type draw-in groove 21 on protecting sheathing 2 inwalls.
Described bayonet lock 13 and protecting sheathing 2 inwall tablings have prevented that blood taking needle and needle stand 1 from departing from mutually, make the connection of protecting sheathing 2 and needle stand 1 more compact, firm, safer when blood taking needle is used.
Described protecting sheathing 2 can arrange the opening of observing blood back form, and described opening can clearly be seen blood back phenomenon.
Described protecting sheathing 2 can consist of transparent material, and the protecting sheathing 2 of transparent material can clear, multi-angle observation blood back form, can make medical worker more convenient, and the present embodiment preferably adopts the protecting sheathing 2. of transparent material
The above makes preferred implementation of the present utility model, does not depart from for the person of ordinary skill of the art under the prerequisite of this utility model principle, can also make some modification and improvement, and these also should be considered as protection domain of the present utility model.
Claims (4)
1. a blood returning type blood taking needle, comprise needle tubing, needle stand, resistance blood rubber sleeve, described needle tubing is the two-way puncture needle of monoblock type, the two-way puncture needle of monoblock type runs through needle stand, one end of the two-way puncture needle of monoblock type is venipuncture needle, the other end of the two-way puncture needle of monoblock type is pipe close puncture needle, needle stand comprises pipe close Paracentesis needle holder and is provided with the venipuncture needle stand of cavity, in cavity, be provided with blood back form sleeve pipe, it is outside that resistance blood rubber sleeve is set in pipe close puncture needle, the opening of resistance blood rubber sleeve is fixed on pipe close Paracentesis needle holder, needle tubing in blood back form cannula cavity is provided with blood back micropore, it is characterized in that: described venipuncture needle stand is provided with for protecting the telescopic protective cover of venipuncture needle.
2. blood returning type blood taking needle according to claim 1; it is characterized in that: described protective sleeve comprises protecting sheathing and for the protection of the retractor device of venipuncture needle; protecting sheathing one end is circular open, needle stand and circular open tabling, and retractor device is positioned at protecting sheathing inside.
3. blood returning type blood taking needle according to claim 2; it is characterized in that: described retractor device comprises spring, baffle plate and for preventing that blood taking needle from ejecting the limiting structure of protecting sheathing; baffle plate is positioned on protecting sheathing the side with respect to circular open; baffle plate center is provided with the through hole passing through for venipuncture needle; the venipuncture needle end of needle stand offers annular groove; spring one end is entrenched in annular groove; the spring other end is connected with protecting sheathing baffle plate, and limiting structure is positioned at the inside of protecting sheathing circular open ends.
4. blood returning type blood taking needle according to claim 3, is characterized in that: described limiting structure comprises and be located at the L-type draw-in groove of protecting sheathing inwall and be located at the bayonet lock on needle stand, and bayonet lock is entrenched in the L-type draw-in groove on protecting sheathing inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478477.6U CN203988081U (en) | 2014-08-22 | 2014-08-22 | A kind of blood returning type blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478477.6U CN203988081U (en) | 2014-08-22 | 2014-08-22 | A kind of blood returning type blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203988081U true CN203988081U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478477.6U Active CN203988081U (en) | 2014-08-22 | 2014-08-22 | A kind of blood returning type blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203988081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548282A (en) * | 2015-01-12 | 2015-04-29 | 江苏磐宇科技有限公司 | Production technology of anti-puncturing protection device |
-
2014
- 2014-08-22 CN CN201420478477.6U patent/CN203988081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104548282A (en) * | 2015-01-12 | 2015-04-29 | 江苏磐宇科技有限公司 | Production technology of anti-puncturing protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 246400 Anqing, Taihu Province Economic Development Zone, Guanyin Road, No. 2, No. Patentee after: Hongyu Anhui Wuzhou medical instrument Limited by Share Ltd Address before: 246400 Anqing, Taihu Province Economic Development Zone, Guanyin Road, No. 2, No. Patentee before: ANHUI HONGYU WUZHOU MEDICAL EQUIPMENT CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |