CN209695207U - Safety blood taking needle with automatic needle return function - Google Patents
Safety blood taking needle with automatic needle return function Download PDFInfo
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- CN209695207U CN209695207U CN201822127080.3U CN201822127080U CN209695207U CN 209695207 U CN209695207 U CN 209695207U CN 201822127080 U CN201822127080 U CN 201822127080U CN 209695207 U CN209695207 U CN 209695207U
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- Prior art keywords
- needle
- test tube
- back stitching
- vein
- automatic
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Abstract
The utility model provides a safe blood taking needle with automatic needle return, which comprises a vein needle assembly, a hose and a test tube needle assembly, wherein the vein needle assembly comprises a needle return protective cylinder, a needle return switch shell, a vein needle sheath, a butterfly needle wing, a vein needle seat, a central hard straight tube and an automatic needle return mechanism; the automatic needle returning mechanism comprises a fixing ring, a movable ring, a spring, a press switch and an elastic sheet, and can realize the automatic needle returning function. The safety blood taking needle with automatic needle return of the utility model is disposable, simple in structure and low in manufacturing cost; convenient operation uses with the cooperation of vacuum test tube commonly used, only needs the single hand to hold the press switch of both sides after the blood sampling is accomplished, and the spring can be released by compression state, drives vein needle and vein needle file and moves to back needle protection section of thick bamboo in, realizes automatic back needle, the dead function of vein needle file and vein needle card after the back needle, reduces the risk that medical personnel's acupuncture was hindered, guarantees the security.
Description
Technical field
The utility model relates to medical instruments field more particularly to a kind of safe blood-taking needles of automatic back stitching.
Background technique
The blood that acquisition patient is frequently necessary in medical inspection is tested, currently, in order to which medical safety is considered, blood taking needle
Be it is disposable, avoid that bring cross-infection is used for multiple times.But if syringe needle does not take safeguard measure after blood sampling,
Still there can be the risk for stabbing medical staff.Needle stab be the most serious that clinical staff is faced occupational hazards it
One, 1,000,000 accidental needle sticks wounds at least occur every year for disease prevention and control center, U.S. monitoring report, every year because haematogenous passes
Broadcasting disease and causing medical staff's death toll is more than tens of thousands of people.In view of the above problems, some blood taking needles use the needle of extension type
Head, the needle that medical staff is effectively reduced after the completion of blood sampling stab risk.Existing extension type syringe needle generally has manual back stitching
Mode and automatic back stitching mode, the blood taking needle of manual back stitching mode need both hands compounding practice, and use is more inconvenient；Automatic back stitching
The blood sampling needle construction of mode is complex, and manufacturing cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of safe blood-taking needles of automatic back stitching, and structure is simple, singlehanded after blood sampling
It can trigger push switch, the syringe needle of intravenous needle can retract automatically, and the needle for effectively reducing medical staff stabs risk, and raising is adopted
Blood safety.
To achieve the above object, the utility model adopts the technical scheme that
A kind of safe blood-taking needle of automatic back stitching, including intravenous needle assemblies, hose and test tube needle assemblies, the hose connection
Between the intravenous needle assemblies and the test tube needle assemblies, the intravenous needle assemblies include back stitching protection cylinder, back stitching switch housing
Body, vein needle shield, the butterfly needle wing, intravenous needle, vein needle stand, in hard-hearted straight tube and automatic back stitching mechanism.
The back stitching protection cylinder has opposite inner end and outer end, the inner end and the fixed company of the back stitching switch case
It connects, the vein needle shield is sheathed on the outer end；The butterfly needle wing is set in the back stitching protection cylinder；The intravenous needle
It is fixed on the vein needle stand, the intravenous needle is located at the inside of the vein needle shield；Hard-hearted straight tube is located in described
The inside of the back stitching protection cylinder, the back stitching switch case, it is described in one end of hard-hearted straight tube be fixedly connected with the intravenous needle
Seat, it is described in the other end of hard-hearted straight tube connect the hose, the intravenous needle, the vein needle stand, it is described in hard-hearted straight tube,
The inside of the hose is connected to.
The automatic back stitching mechanism includes fixed ring, loose collar, spring, push switch and elastic slice, and the fixed ring is fixed
In the inside of the outer end of the back stitching protection cylinder, the loose collar is fixed on the bottom end of the vein needle stand, the spring
One end be fixed in the fixed ring, the other end is fixed on the loose collar；The push switch is correspondingly arranged at described return
In needle switch case, the two sides of the back stitching switch case are equipped with switch aperture, and the outside of the push switch is opened by described
It closes aperture and stretches out the back stitching switch case；One end of the elastic slice is fixedly connected with the fixed ring, presses described in other end connection
It compresses switch, and one end for connecting with the fixed ring of the elastic slice corresponds to the inside of the spring；Close to institute on the elastic slice
It states and is provided with buckle at loose collar, the junction of the push switch is provided with the card slot being recessed inwardly on the elastic slice.
Preferably, the test tube needle assemblies include the first test tube needle stand, the second test tube needle stand, test tube needle, test tube needle Capsule
With test tube needle shield, the first test tube needle stand is connect with the hose, and the second test tube needle stand is inserted in first examination
In pipe needle stand, the test tube needle is fixed on the second test tube needle stand, and the test tube needle Capsule is sheathed on the test tube needle
On, the junction of the second test tube needle stand and the test tube needle is equipped with external thread section, and the test tube needle shield is sheathed on described
On the external thread section of second test tube needle stand, and the test tube needle is in the interior of the test tube needle shield with the test tube needle Capsule
Portion.
Preferably, the first test tube needle stand and the second test tube needle stand are split type structure.
Preferably, the butterfly needle wing includes the flank section of cylindric central part and two sides, is provided with U on the central part
Type groove.
Preferably, the surface of the flank section is equipped with anti-skid bulge.
Preferably, the outer end of the back stitching protection cylinder be equipped with needle wing mounting groove, the structure of the needle wing mounting groove with
The structure of the central part matches；Also set up U-shaped piece in the needle wing mounting groove, U-shaped piece of the structure and the U-type groove
Structure match.
Preferably, the vein needle shield is cylindrical, and multiple arc-shapeds are arranged in the inside of the vein needle shield
Convex surface, the protrusion direction on the convex surface of the multiple arc-shaped is towards the center of the vein needle shield.
Preferably, the length of the back stitching protection cylinder is greater than the total length of the intravenous needle and the vein needle stand.
Preferably, the internal diameter of hard-hearted straight tube is equal to the internal diameter of the hose in described
Compared with prior art, the utility model provides a kind of safe blood-taking needle of automatic back stitching, matches with vacuum blood collection tube
It closes and uses, easy to operate, the needle that medical staff can be effectively reduced stabs risk, guarantees safety when blood sampling；Intravenous needle group
Automatic back stitching mechanism is equipped in part, automatic back stitching mechanism includes fixed ring, loose collar, spring, push switch and elastic slice, initial shape
Under state, spring is in compressive state, and the buckle on elastic slice plays position-limiting action to loose collar and spring, and the outside of push switch is logical
It crosses switch aperture and stretches out back stitching switch case；After blood sampling, the push switch of two sides is pinched, elastic slice is adjacent under force
In hard-hearted straight tube, snap into the inside of spring, no longer there is position-limiting action, spring extends after being discharged by compressive state, drives
Loose collar movement, so that vein needle stand and intravenous needle be driven to move to the inside of back stitching protection cylinder, loose collar is moved at card slot
It can be stuck in card slot, thus by vein needle stand and the stuck function of intravenous needle after realizing automatic back stitching, back stitching, it is disposable,
Guarantee safety.The blood sampling needle construction of the automatic back stitching of the utility model is simple, easy to operate, solves existing blood taking needle and uses
Inconvenient, the higher problem of cost.
Detailed description of the invention
Fig. 1 is the structural representation under a kind of safe blood-taking needle original state of automatic back stitching of an embodiment of the present invention
Figure；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the enlarged diagram in Fig. 1 at B；
Fig. 4 is a kind of automatic back stitching mechanism initial shape of the safe blood-taking needle of automatic back stitching of an embodiment of the present invention
Structural schematic diagram under state；
Fig. 5 is a kind of structural representation of the butterfly needle wing of the safe blood-taking needle of automatic back stitching of an embodiment of the present invention
Figure；
Fig. 6 is a kind of outer end knot of the back stitching protection cylinder of the safe blood-taking needle of automatic back stitching of an embodiment of the present invention
Structure schematic diagram；
Fig. 7 is a kind of vertical view of the vein needle shield of the safe blood-taking needle of automatic back stitching of an embodiment of the present invention
Figure；
After the automatic back stitching of intravenous needle of the Fig. 8 for a kind of safe blood-taking needle of automatic back stitching of an embodiment of the present invention
The structural schematic diagram of intravenous needle assemblies；
Fig. 9 is the automatic back stitching after a kind of automatic back stitching of safe blood-taking needle of automatic back stitching of an embodiment of the present invention
The structural schematic diagram of mechanism.
Specific embodiment
To make to have further understanding to the purpose of this utility model, construction, feature and its function, hereby cooperate embodiment
Detailed description are as follows.
Incorporated by reference to referring to Fig. 1 to Fig. 4, Fig. 1 is a kind of safe blood-taking needle of automatic back stitching of an embodiment of the present invention
Structural schematic diagram under original state, Fig. 2 are the enlarged diagram in Fig. 1 at A, and Fig. 3 is the enlarged diagram in Fig. 1 at B, figure
4 be the structure under a kind of automatic back stitching mechanism original state of the safe blood-taking needle of automatic back stitching of an embodiment of the present invention
Schematic diagram.A kind of safe blood-taking needle of automatic back stitching of an embodiment of the present invention includes intravenous needle assemblies 100, hose 200
With test tube needle assemblies 300, hose 200 is connected between intravenous needle assemblies 100 and test tube needle assemblies 300, the utility model and often
Vacuum blood collection tube is used cooperatively, and carries out venipuncture using intravenous needle assemblies 100.
Intravenous needle assemblies 100 include back stitching protection cylinder 11, back stitching switch case 12, vein needle shield 13, the butterfly needle wing 14,
Intravenous needle 15, vein needle stand 16, in hard-hearted straight tube 17 and automatic back stitching mechanism 18.
Back stitching protection cylinder 11 has opposite inner end 111 and outer end 112, inner end 111 and the fixed company of back stitching switch case 12
It connects, vein needle shield 13 is sheathed on outer end 112；The butterfly needle wing 14 is set in back stitching protection cylinder 11；Intravenous needle 15 is fixed at
On vein needle stand 16, intravenous needle 15 is located at the inside of vein needle shield 13；In hard-hearted straight tube 17 be located at back stitching protection cylinder 11, back stitching
The inside of switch case 12, in one end of hard-hearted straight tube 17 be fixedly connected with vein needle stand 16, in the other end of hard-hearted straight tube 17 connect
Connect hose 200, intravenous needle 15, vein needle stand 16, in hard-hearted straight tube 17, hose 200 inside connection.In use, the butterfly needle wing
14 for facilitating medical staff to carry out venipuncture procedure.
Automatic back stitching mechanism 18 includes fixed ring 181, loose collar 182, spring 183, push switch 184 and elastic slice 185, Gu
Determine the inside that ring 181 is fixed on the outer end 112 of back stitching protection cylinder 11, loose collar 182 is fixed on the bottom end of vein needle stand 16, spring
183 one end is fixed in fixed ring 181, and the other end is fixed on loose collar 182；Push switch 184 is correspondingly arranged at back stitching and opens
It closes in shell 12, the two sides of back stitching switch case 12 are equipped with switch aperture 121, and the outside of push switch 184 passes through switch aperture
121 stretch out back stitching switch case 12；One end of elastic slice 185 is fixedly connected with fixed ring 181, and the other end connects push switch 184, and
One end that elastic slice 185 is connect with fixed ring 181 corresponds to the inside of spring 183；It is arranged at loose collar 182 on elastic slice 185
There is a buckle 1851, the junction of push switch 184 is provided with the card slot 1852 being recessed inwardly on elastic slice 185.
Incorporated by reference to referring to Fig. 1 to Fig. 4, under original state, vein needle shield 13 is sheathed on the outer end of back stitching protection cylinder 11
112, spring 183 is in compressive state, and 1851 pairs of loose collars 182 of buckle and spring 183 of elastic slice 185 play position-limiting action, press
Compress switch 184 outside by switch aperture 121 stretch out back stitching switch case 12；When blood sampling, vein needle shield 13 is removed, benefit
Venipuncture is carried out with intravenous needle assemblies 100, test tube needle assemblies 300 are used cooperatively with vacuum blood collection tube, operation that blood was collected；It adopts
After the completion of blood, vacuum blood collection tube is removed, pinches the push switch 184 of 12 two sides of back stitching switch case, work of the elastic slice 185 in power
Hard-hearted straight tube 17 in being adjacent under, buckle 1851 enter the inside of spring 183, no longer have position-limiting action, spring 183 is by compressing
State release, drives loose collar 182 to move towards the inner end of back stitching protection cylinder 11 111, drives intravenous needle 15 and vein needle stand 16
To the internal motion of back stitching protection cylinder 11, automatic back stitching function is realized；The safe blood-taking needle of the automatic back stitching of the utility model
Buckle 1851 is sized to guarantee the position-limiting action to loose collar 182 in the initial state, and can press in triggering
It compresses switch and enters spring inner after 184 and spring will not be blocked；Incorporated by reference to referring to Fig. 8 and Fig. 9, Fig. 8 is the utility model one
The structural representation of intravenous needle assemblies 100 after a kind of automatic back stitching of intravenous needle of the safe blood-taking needle of automatic back stitching of embodiment
Figure, Fig. 9 are the automatic back stitching mechanism after a kind of automatic back stitching of safe blood-taking needle of automatic back stitching of an embodiment of the present invention
18 structural schematic diagram.It can be stuck in card slot 1852 when loose collar 182 moves at card slot 1852, to limit loose collar
182 move up and down, and realize vein needle stand 16 and the stuck function of intravenous needle 15, intravenous needle 15 and vein needle stand 16 are protected
The inside of back stitching protection cylinder 11 avoids needle from stabbing risk, guarantees safety.It, can also be by vein to further increase safety
Needle shield 13 is set in the outer end 112 of back stitching protection cylinder 11 again.The blood sampling needle construction of the automatic back stitching of the utility model is simple, system
It makes at low cost；It is easy to use, only need the singlehanded push switch 184 that can trigger to carry out automatic back stitching operation；Two sides be equipped with by
Compress switch 184 and elastic slice 185, needs when automatic back stitching simultaneously all to pinch the push switch 184 of two sides, when avoiding blood sampling due to
Maloperation and cause intravenous needle retract automatically influence blood sampling operation.
Referring to Figure 1, as the preferred embodiment of the utility model, test tube needle assemblies 300 include the first test tube needle stand 31,
Second test tube needle stand 32, test tube needle 33, test tube needle Capsule 34 and test tube needle shield 35, the first test tube needle stand 31 connect with hose 200
It connects, the second test tube needle stand 32 is inserted in the first test tube needle stand 31, and test tube needle 33 is fixed on the second test tube needle stand 32, test tube
Needle Capsule 34 is sheathed on test tube needle 33, and the junction of the second test tube needle stand 32 and test tube needle 33 is equipped with external thread section 321, test tube
Needle shield 35 is sheathed on the external thread section 321 of the second test tube needle stand 32, and test tube needle 33 and test tube needle Capsule 34 are in test tube
The inside of needle shield 35.Preferably, the first test tube needle stand 31 and the second test tube needle stand 32 are split type structure.Test tube needle assemblies
300 are used cooperatively with common vacuum blood collection tube, easy to operate.
Fig. 5 is referred to, Fig. 5 is a kind of butterfly needle wing of the safe blood-taking needle of automatic back stitching of an embodiment of the present invention
14 structural schematic diagram.As the preferred embodiment of the utility model, the butterfly needle wing 14 includes cylindric central part 141 and two
The flank section 142 of side is provided with U-type groove 1411 on central part 141.Fig. 6 is referred to, Fig. 6 is the one of an embodiment of the present invention
112 structural schematic diagram of outer end of the back stitching protection cylinder 11 of the safe blood-taking needle of the automatic back stitching of kind.As the preferred of the utility model
Embodiment, the outer end 112 of back stitching protection cylinder 11 are equipped with needle wing mounting groove 113, the structure and the butterfly needle wing 14 of needle wing mounting groove 113
The structure of central part 141 match；U-shaped piece 114 is also set up in needle wing mounting groove 113, U-shaped piece 114 of structure and U-type groove
1411 structure matches.Preferably, the surface of flank section 142 is equipped with anti-skid bulge 1421, is conducive to venipuncture procedure.
Fig. 7 is referred to, Fig. 7 is a kind of intravenous needle shield of the safe blood-taking needle of automatic back stitching of an embodiment of the present invention
The top view of set 13.As the preferred embodiment of the utility model, vein needle shield 13 is cylindrical, and vein needle shield 13
Inside is arranged the convex surface 131 of multiple arc-shapeds, and the protrusion direction on the convex surface 131 of multiple arc-shapeds is towards in vein needle shield 13
The heart, the convex surface 131 of multiple arc-shapeds can enhance close when vein needle shield 13 is set in the outer end 112 of back stitching protective jacket
Property, prevent vein needle shield 13 from falling off, the safety for guaranteeing storage and using.
As the preferred embodiment of the utility model, the length of back stitching protection cylinder 11 is greater than intravenous needle 15 and vein needle stand 16
Total length, to guarantee after automatic back stitching that vein needle stand 16, all by protection, avoids stabbing medical staff with intravenous needle 15.
As the preferred embodiment of the utility model, in the internal diameter of hard-hearted straight tube 17 be equal to the internal diameter of hose 200, be conducive to
Blood sampling operation.
The needle point of the intravenous needle 15 of the puncture needle of the automatic back stitching of the utility model passes through silicidation, can in blood sampling
Substantially reduce the feeling of pain of patient；Hose 200 is flexible plastic material, and soft and elastic is good, is conducive to blood sampling operation；Test tube needle 33
Needle point pass through silicidation, be used cooperatively with vacuum blood collection tube, can reduce penetration Resistance, facilitate promoted blood sampling efficiency.
The utility model provides a kind of safe blood-taking needle of automatic back stitching, is used cooperatively with vacuum blood collection tube, easy to operate,
The needle that medical staff can be effectively reduced stabs risk, guarantees safety when blood sampling；Automatic return is equipped in intravenous needle assemblies 100
Needle mechanism 18, after blood sampling, by pinching the push switch 184 of 12 two sides of back stitching switch case, automatic 18 energy of back stitching mechanism
It enough realizes vein needle stand 16 and the stuck function of intravenous needle after automatic retracted needle, back stitching；The automatic back stitching of the utility model
Safe blood-taking needle be it is disposable, structure is simple, and manufacturing cost is low；Easy to use, automatic return can be realized in one-handed performance
Needle can effectively avoid medical staff by needlestick injuries, guarantee safety.
The utility model is described by above-mentioned related embodiment, however above-described embodiment is only to implement the utility model
Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, not departing from this
It is changed and retouched made by the spirit and scope of utility model, belongs to the scope of patent protection of the utility model.
Claims (9)
1. a kind of safe blood-taking needle of automatic back stitching, including intravenous needle assemblies, hose and test tube needle assemblies, the hose are connected to
Between the intravenous needle assemblies and the test tube needle assemblies, it is characterised in that: the intravenous needle assemblies include back stitching protection cylinder, return
Needle switch case, vein needle shield, the butterfly needle wing, intravenous needle, vein needle stand, in hard-hearted straight tube and automatic back stitching mechanism；
The back stitching protection cylinder has opposite inner end and outer end, and the inner end is fixedly connected with the back stitching switch case, institute
Vein needle shield is stated to be sheathed on the outer end；The butterfly needle wing is set in the back stitching protection cylinder；The intravenous needle is fixed
On the vein needle stand, the intravenous needle is located at the inside of the vein needle shield；Hard-hearted straight tube is located at described in described
The inside of back stitching protection cylinder, the back stitching switch case, it is described in one end of hard-hearted straight tube be fixedly connected with the vein needle stand, institute
The other end of hard-hearted straight tube connects the hose in stating, the intravenous needle, the vein needle stand, it is described in hard-hearted straight tube, described
The inside of hose is connected to；
The automatic back stitching mechanism includes fixed ring, loose collar, spring, push switch and elastic slice, and the fixed ring is fixed on institute
State the inside of the outer end of back stitching protection cylinder, the loose collar is fixed on the bottom end of the vein needle stand, and the one of the spring
End is fixed in the fixed ring, and the other end is fixed on the loose collar；The push switch is correspondingly arranged at the back stitching and opens
It closes in shell, the two sides of the back stitching switch case are equipped with switch aperture, and the outside of the push switch passes through the switch hole
Mouth stretches out the back stitching switch case；One end of the elastic slice is fixedly connected with the fixed ring, and other end connection is described by pressing off
It closes, and inside of the one end that is connect with the fixed ring of the elastic slice corresponding to the spring；Close to the work on the elastic slice
It is provided with buckle at rotating ring, the junction of the push switch is provided with the card slot being recessed inwardly on the elastic slice.
2. the safe blood-taking needle of automatic back stitching as described in claim 1, it is characterised in that: the test tube needle assemblies include first
Test tube needle stand, the second test tube needle stand, test tube needle, test tube needle Capsule and test tube needle shield, the first test tube needle stand with it is described soft
Pipe connection, the second test tube needle stand are inserted in the first test tube needle stand, and the test tube needle is fixed at second examination
On pipe needle stand, the test tube needle Capsule is sheathed on the test tube needle, the connection of the second test tube needle stand and the test tube needle
Place is equipped with external thread section, and the test tube needle shield is sheathed on the external thread section of the second test tube needle stand, and the test tube needle
The inside of the test tube needle shield is in the test tube needle Capsule.
3. the safe blood-taking needle of back stitching as claimed in claim 2 automatic, it is characterised in that: the first test tube needle stand with it is described
Second test tube needle stand is split type structure.
4. the safe blood-taking needle of automatic back stitching as described in claim 1, it is characterised in that: the butterfly needle wing includes cylindrical shape
Central part and two sides flank section, be provided with U-type groove on the central part.
5. the safe blood-taking needle of automatic back stitching as claimed in claim 4, it is characterised in that: the surface of the flank section is equipped with anti-
Sliding protrusion.
6. the safe blood-taking needle of back stitching as claimed in claim 4 automatic, it is characterised in that: the back stitching protection cylinder it is described outer
End is equipped with needle wing mounting groove, and the structure of the needle wing mounting groove and the structure of the central part match；The needle wing mounting groove
U-shaped piece is inside also set up, the structure of U-shaped piece of the structure and the U-type groove matches.
7. the safe blood-taking needle of automatic back stitching as described in claim 1, it is characterised in that: the vein needle shield is in cylinder
Shape, and the convex surface of multiple arc-shapeds, the protrusion direction on the convex surface of the multiple arc-shaped is arranged in the inside of the vein needle shield
Towards the center of the vein needle shield.
8. the safe blood-taking needle of automatic back stitching as described in claim 1, it is characterised in that: the length of the back stitching protection cylinder is big
In the total length of the intravenous needle and the vein needle stand.
9. the safe blood-taking needle of automatic back stitching as described in claim 1, it is characterised in that: the internal diameter etc. of hard-hearted straight tube in described
In the internal diameter of the hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822127080.3U CN209695207U (en) | 2018-12-18 | 2018-12-18 | Safety blood taking needle with automatic needle return function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822127080.3U CN209695207U (en) | 2018-12-18 | 2018-12-18 | Safety blood taking needle with automatic needle return function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209695207U true CN209695207U (en) | 2019-11-29 |
Family
ID=68637740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822127080.3U Expired - Fee Related CN209695207U (en) | 2018-12-18 | 2018-12-18 | Safety blood taking needle with automatic needle return function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209695207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110251A (en) * | 2020-01-13 | 2020-05-08 | 广州阳普医疗科技股份有限公司 | Safety blood taking needle |
-
2018
- 2018-12-18 CN CN201822127080.3U patent/CN209695207U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110251A (en) * | 2020-01-13 | 2020-05-08 | 广州阳普医疗科技股份有限公司 | Safety blood taking needle |
| CN111110251B (en) * | 2020-01-13 | 2022-11-11 | 广州阳普医疗科技股份有限公司 | Safety blood taking needle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 Termination date: 20211218 |