CN213075660U - Double-joint blood taking needle - Google Patents
Double-joint blood taking needle Download PDFInfo
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- CN213075660U CN213075660U CN202020512978.7U CN202020512978U CN213075660U CN 213075660 U CN213075660 U CN 213075660U CN 202020512978 U CN202020512978 U CN 202020512978U CN 213075660 U CN213075660 U CN 213075660U
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- clamping block
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- groove
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- 239000008280 blood Substances 0.000 title claims abstract description 68
- 210000004369 blood Anatomy 0.000 title claims abstract description 68
- 238000010241 blood sampling Methods 0.000 claims abstract description 30
- 238000001802 infusion Methods 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 16
- 230000009977 dual effect Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 2
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004159 blood analysis Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model provides a double-joint blood taking needle, include: a blood collection needle head; the main rubber tube is communicated with the blood sampling needle head; the return sleeve is of a circular truncated cone structure, a cylindrical channel penetrates through the return sleeve, and the return sleeve is arranged on the blood taking needle head and used for accommodating the blood taking needle head; the return sleeve comprises: the through groove is rectangular and is axially arranged on the side wall of the return sleeve, and one end of the through groove penetrates through one end of the wide surface of the return sleeve; the fixing block is arranged at the bottom of the through groove and used for fixing the blood sampling needle head; the adjusting blocks are axially arranged in the through groove at equal intervals, are positioned between the top surface of the through groove and the fixing block, and are used for adjusting the extending length of the needle point of the blood sampling needle head; the limiting block is arranged at the lower part of the through groove, is positioned between the fixing block and the adjusting block close to the fixing block, and is used for limiting the position of the blood sampling needle head; the needle head is provided with the return sleeve, and the needle head can be returned to the return sleeve when and after the needle is pulled out, so that the puncture is avoided.
Description
Technical Field
The utility model relates to a blood sampling technical field, more specifically, the utility model relates to a double-joint blood taking needle.
Background
Blood specimen detection and intravenous infusion are important means for clinical treatment in hospitals. However, when the condition of the blood vessel of the patient is extremely poor, the general blood sampling needle can not be completely extracted, and only the blood sampling needle can be used for extracting blood with a syringe of 5ml or 10ml, but the volume can not meet the dosage of all blood examination items, and the blood extraction needs to be repeated for 2-3 times, thereby increasing the workload of nurses and causing discomfort to the patient. After blood sampling is finished, the transfusion is carried out by venipuncture again, which is painful for nurses and patients.
Chinese utility model 201620125862.1 discloses a double joint artery blood taking needle, including the first syringe needle of connecting the flexible glue needle wing, main rubber tube is connected to the flexible glue needle wing, and main rubber tube tail end divide into first joint and second and connect, and first joint end connection has the needle cap, can connect blood gas needle or syringe, and second articulate second needle can the lug connection negative pressure blood drawing pipe, and first joint and second connect and all have airtight clamp between the rubber tube. Can connect blood gas needle and negative pressure respectively through two joints and take out the blood vessel, only need puncture once, utilize airtight clamp, in arterial blood can flow into blood gas needle and negative pressure respectively and take out the blood vessel, avoid puncture aggravation patient's discomfort many times, also reduced nurse's work load. However, the lancet needle is exposed and is particularly apt to be pricked when the needle is withdrawn and put into a sharps container.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a develop a double-joint blood taking needle, one of the purpose is provided with back the sleeve in syringe needle department, when pulling out the needle and pull out the homoenergetic after the needle and return the syringe needle to back in the sleeve, avoid pricking.
The other purpose is that the tail end of the main rubber tube is provided with a double joint which can be respectively connected with an infusion apparatus and a negative pressure blood drawing tube, so that the blood drawing tube and the infusion apparatus can share one channel, and the infusion apparatus can be connected for infusion after the blood drawing is finished, thereby not only reducing the discomfort of a patient, but also reducing the workload of a nurse.
The utility model provides a technical scheme does:
a dual hub blood collection needle comprising:
a blood collection needle head; and
the main rubber tube is communicated with the blood sampling needle head;
the return sleeve is of a circular truncated cone structure, a cylindrical channel penetrates through the return sleeve, and the return sleeve is arranged on the blood taking needle head and used for accommodating the blood taking needle head;
the bushing includes:
the through groove is rectangular and is axially arranged on the side wall of the return sleeve, and one end of the through groove penetrates through one end of the wide surface of the return sleeve;
the fixing block is arranged at the bottom of the through groove and used for fixing the blood sampling needle head;
the adjusting blocks are axially arranged in the through groove at equal intervals, are positioned between the top surface of the through groove and the fixing block, and are used for adjusting the extending length of the needle point of the blood sampling needle head;
the limiting block is arranged at the lower part of the through groove, is positioned between the fixing block and the adjusting block close to the fixing block, and is used for limiting the position of the blood sampling needle head;
in an initial state, the needle wing of the blood sampling needle head is arranged between the adjacent adjusting blocks; when blood is collected, the needle wing of the blood collecting needle head is arranged between the top surface of the through groove and the adjusting block close to the top surface of the through groove; when the blood sampling needle head is returned, the needle wing of the blood sampling needle head is arranged between the limiting block and the fixing block.
Preferably, the adjusting block includes:
the first adjusting clamping block and the second adjusting clamping block are symmetrically arranged, the opposite side surfaces of the first adjusting clamping block and the second adjusting clamping block are cambered surfaces, the opposite side surfaces of the first adjusting clamping block and the second adjusting clamping block are planes, and the first adjusting clamping block and the second adjusting clamping block are integrally connected with the corresponding side surfaces of the through grooves;
the distance between the opposite side surfaces of the first adjusting clamping block and the second adjusting clamping block is 0.8-1.2 mm.
Preferably, the stopper includes:
the upper parts of the opposite side surfaces of the first limiting clamping block and the second limiting clamping block are cambered surfaces, the lower parts of the first limiting clamping block and the second limiting clamping block are planes, the opposite side surfaces of the first limiting clamping block and the second limiting clamping block are planes, and the first limiting clamping block and the second limiting clamping block are integrally connected with the corresponding side surfaces of the through grooves;
the distance between the opposite side surfaces of the first limiting clamping block and the second limiting clamping block is 0.7-1 mm.
Preferably, the fixing block includes:
the first fixed clamping block and the second fixed clamping block are symmetrically arranged, the opposite side and the back side of the first fixed clamping block are planes, and the back side of the first fixed clamping block and the back side of the second fixed clamping block are integrally connected with the corresponding side of the through groove;
the upper surfaces of the first fixed clamping block and the second fixed clamping block are planes, the lower surfaces of the first fixed clamping block and the second fixed clamping block are cambered surfaces, and the distance between the opposite side surfaces of the first limiting clamping block and the second limiting clamping block is 0.3-0.5 mm.
Preferably, the method further comprises the following steps:
the anti-skid grooves are uniformly arranged on the outer side surface of the sleeve barrel in the circumferential direction and are arranged along the axial direction of the sleeve barrel;
the cover cap is detachably covered at the center of one end of the narrow surface of the return sleeve;
and one end of the connecting band is fixedly connected with the cap, and the other end of the connecting band is fixedly connected with the side wall of the return sleeve.
Preferably, the number of the adjusting blocks is 2.
Preferably, the method further comprises the following steps:
one end of the first joint is communicated with the tail end of the main rubber tube, and the other end of the first joint can be communicated with a negative pressure blood pumping tube;
one end of the second joint is communicated with the tail end of the main rubber tube, and the other end of the second joint can be connected with an infusion apparatus;
a first sealing clip disposed on the first joint;
a second sealing clip disposed on the second joint.
Preferably, the first joint includes:
the first sleeve is coaxially and integrally formed at the other end of the first connector and is used for connecting the negative pressure blood drawing tube;
the first pipe cap is detachably covered on the first sleeve and used for opening or covering the first sleeve;
the second joint includes:
the second sleeve is coaxially and integrally arranged at the other end of the second connector and is used for connecting the infusion apparatus;
and the second pipe cap is detachably covered on the second sleeve and is used for opening or covering the second sleeve.
Preferably, the lancet head includes:
a needle handle; and
the needle wing is vertically and integrally formed on one side of the needle handle;
the needle point is coaxially and fixedly connected with one end of the needle handle;
wherein, the main rubber tube is coaxially and fixedly connected with the other end of the needle handle.
Preferably, the distance between adjacent adjusting blocks, the distance between the top surface of the through groove and the adjusting block close to the top surface of the through groove, the distance between the limiting block and the fixing block and the distance between the limiting block and the adjusting block close to the limiting block are all 4-7 mm.
Beneficial effect:
the utility model relates to a double-joint blood taking needle of development is provided with back the sleeve in syringe needle department, when pulling out the needle and pull out the homoenergetic after the needle and return the syringe needle to back in the sleeve, avoid pricking. And the tail end of the main rubber tube is provided with the double joints which can be respectively connected with an infusion apparatus and a negative pressure blood drawing tube, so that the blood drawing tube and the infusion apparatus can share one channel, and the infusion apparatus can be connected for infusion after the blood drawing is finished, thereby not only reducing the discomfort of a patient, but also reducing the workload of a nurse.
Drawings
Fig. 1 is a schematic structural view of the double-joint blood taking needle of the present invention.
Fig. 2 is a schematic structural view of the double-joint blood taking needle of the present invention.
FIG. 3 is a schematic view of a half-section structure of the double-joint blood taking needle of the present invention.
Fig. 4 is a schematic structural view of the blood sampling needle and the return sleeve of the present invention.
Fig. 5 is a schematic structural view of the blood sampling needle and the return sleeve of the present invention.
Fig. 6 is a schematic structural view of the blood sampling needle and the return sleeve half-section.
Fig. 7 is a schematic structural view of the blood sampling needle and the return sleeve half-section.
Fig. 8 is a schematic structural view of the return sleeve of the present invention.
Fig. 9 is a schematic structural view of the return sleeve according to the present invention.
Fig. 10 is a schematic structural view of the return sleeve according to the present invention.
Description of the reference numerals
110. A blood collection needle head; 111. a needle handle; 112. a needle wing; 113. a needle tip; 120. a main rubber pipe; 121. a first joint; 1211. a first sleeve; 1212. a first cap; 122. a second joint; 1221. a second sleeve; 1222. a second cap; 123. a first sealing clip; 124. a second sealing clip; 130. returning the sleeve; 131. a through groove; 132. a fixed block; 1321. a first fixed clamping block; 1322. a second fixed clamping block; 133. an adjusting block; 1331. a first adjusting clamping block; 1332. a second adjustable clamping block; 134. a limiting block; 1341. a first limiting clamping block; 1342. a second limiting clamping block; 135. an anti-slip groove; 136. capping; 137. and a connecting belt.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein but rather as being provided for the purpose of providing a thorough and complete disclosure. In the drawings, the size and relative sizes of structures and regions may be exaggerated for clarity.
As shown in fig. 1 to 10, the utility model provides a double-joint blood taking needle, which comprises a blood taking needle 110, a main rubber tube 120 communicated with the blood taking needle 110, and a return sleeve 130 arranged on the blood taking needle 110, wherein the return sleeve is of a circular truncated cone structure and is internally provided with a cylindrical channel for accommodating the blood taking needle 110.
The blood sampling needle 110 includes a needle handle 111, and a needle wing 112 is vertically and integrally formed with one side of the needle handle 110. A needle point 113 is coaxially and fixedly connected with one end of the needle handle 111, and the main rubber tube 120 is coaxially and fixedly connected with the other end of the needle handle 111.
The sleeve return pipe 130 comprises a through groove 131 which is rectangular and is axially arranged on the side wall of the sleeve return pipe 130, and one end of the through groove 131 penetrates through one end of the wide surface of the sleeve return pipe 130. A fixing block 132 is provided at the bottom of the through groove 131 to fix the lancet head 110 when the lancet head 110 is retracted into the return sleeve 130. A plurality of adjusting blocks 133, preferably 2, are axially and equally spaced in the through groove 131, and are located between the top surface of the through groove 131 and the fixing block 132, for adjusting the protruding length of the needle tip of the lancet head 110. A stopper 134 is disposed at a lower portion of the through groove 131 between the fixing block 132 and the regulating block 133 adjacent to the fixing block 132 to limit the position of the lancet head 110. Specifically, in the initial state, the needle wing of the lancet head 110 is disposed between the adjacent adjusting blocks 133; during blood collection, the needle wing 112 of the blood collection needle 110 is arranged between the top surface of the through groove 131 and the adjusting block 133 which is close to the top surface of the through groove 131; when the lancet head 110 is withdrawn, the needle wing 112 of the lancet head 110 is disposed between the stopper 134 and the fixing block 132.
The adjusting block 133 comprises a first adjusting clamping block 1331 and a second adjusting clamping block 1332 which are symmetrically arranged, opposite side surfaces of the first adjusting clamping block 1331 and the second adjusting clamping block 1332 are cambered surfaces, opposite side surfaces of the first adjusting clamping block 1331 and the second adjusting clamping block 1332 are planes, and the first adjusting clamping block 1331 and the second adjusting clamping block 1332 are integrally formed and connected with corresponding side surfaces of the through groove 131, and the distance between the opposite side surfaces is 0.8-1.2 mm.
The limiting block 134 comprises a first limiting clamping block 1341 and a second limiting clamping block 1342 which are symmetrically arranged, the upper parts of the opposite side surfaces of the limiting block are cambered surfaces, the lower parts of the limiting block are planes, the opposite side surfaces of the limiting block are planes, and the limiting block is integrally connected with the corresponding side surfaces of the through grooves 131, and the distance between the opposite side surfaces of the first limiting clamping block 1341 and the second limiting clamping block 1342 is 0.7-1 mm.
The fixing block 132 includes a first fixing clamping block 1321 and a second fixing clamping block 1322, which are symmetrically disposed, and opposite side surfaces and back side surfaces of the fixing clamping blocks are both planar, and the back side surfaces are integrally formed with corresponding side surfaces of the through slots 131. The upper surfaces of the first fixed clamping block 1321 and the second fixed clamping block 1322 are planes, the lower surfaces of the first fixed clamping block 1321 and the second fixed clamping block 1322 are cambered surfaces, and the distance between the opposite side surfaces of the first limiting clamping block 1321 and the second limiting clamping block 1322 is 0.3-0.5 mm.
A plurality of anti-slip grooves 135 are uniformly arranged on the outer side surface of the return sleeve 130 in the circumferential direction, and each anti-slip groove 135 is axially arranged along the return sleeve 130 to play an anti-slip role. A cap 136 is detachably covered at the center of one end of the narrow surface of the loop casing 130, and the cap 136 is fixedly connected with the side wall of the loop casing 130 through a connecting band 137. When the lancet head 110 is completely retracted to the retraction sleeve 130, the cap 130 is closed, which is safer and prevents the risk of being pricked by the lancet tip 113 of the lancet head 110 during handling.
The tail end of the main rubber tube 120 is communicated with a first connector 121, one end of the first connector is communicated with the tail end 120 of the main rubber tube, and the other end of the first connector can be communicated with a negative pressure blood drawing tube, so that continuous blood collection is facilitated. The tail end of the main rubber tube 120 is also communicated with a second connector 122, one end of the second connector is communicated with the tail end of the main rubber tube 120, the other end of the second connector can be connected with an infusion apparatus, so that blood drawing and infusion can share one channel, the second connector can be connected with the infusion apparatus for infusion after blood drawing is finished, discomfort of a patient is relieved, and workload of a nurse is reduced. The first joint 121 is provided with a first sealing clamp 123, the second joint is provided with a second sealing clamp 124, and blood sampling and transfusion operations are realized by controlling the first sealing clamp 123 and the second sealing clamp 124.
The first connector 121 includes a first sleeve 1211, which is coaxially and integrally formed at the other end of the first connector 121 for connecting to a negative pressure blood drawing tube. And a first tube cap 1212 for opening or closing the first tube 1211 to prevent the first tube 1211 from being contaminated is detachably provided on the first tube 1211. That is, when blood is not being drawn, the first cap 1212 is closed over the first sleeve 1211 while the first connector 121 is clamped by the first sealing clip 123. When blood is drawn, the first cap 1212 is opened, a negative pressure blood drawing tube is connected to the first sleeve 1211, and the first sealing clip 123 is released to perform a blood drawing operation.
The second connector 122 includes a second cannula 1221, which is coaxially and integrally formed at the other end of the second connector 122, and is used for connecting an infusion apparatus to perform an infusion operation. And a second tube cap 1222 for opening or closing the second tube 1211 to prevent the second tube 1221 from being contaminated is detachably provided on the second tube 1221. I.e. when no infusion is to be performed, the second cap 1222 is closed over the second sleeve 1211 while clamping the second connector 121 by means of the second sealing clamp 124. When the infusion is performed, the second cap 1222 is opened, an infusion set is connected to the second cannula 1221, and the second sealing clip 124 is released to perform the infusion operation.
The distance between adjacent adjusting blocks 133, the distance between the top surface of the through groove 131 and the adjusting block 133 close to the top surface of the through groove 131, the distance between the limiting block 134 and the fixed block 132 and the distance between the limiting block 134 and the adjusting block 133 close to the limiting block 134 are all 4-7 mm.
Because the blood taking needle is disposable structure, when the encapsulation blood taking needle, set up the needle wing between adjacent regulating block, the needle point of blood taking syringe needle only exposes partly, when puncturing, upwards promotes the needle wing for the needle wing is located and leads to between groove top surface and the regulating block, and the needle point stretches out completely, because the opposite flank of regulating block is the cambered surface, is convenient for promote the needle wing. Then, the first sealing clamp 123 and the first sealing clamp 123 are controlled, so that blood sampling and transfusion operations are realized. When blood drawing or transfusion is finished, the needle wing can be directly retracted downwards to complete the extraction of the needle point, or the needle wing can be retracted after the needle point is extracted firstly, so that the needle wing is positioned between the limiting block and the fixing block, namely, the needle head is completely arranged in the sleeve, and the cap is covered. Because the upper portion of the opposite side of stopper is the cambered surface for the needle wing can continue to return downwards, and upper portion is the plane, and when the needle wing withdrawed between stopper and the fixed block promptly, the needle wing then can not upwards be released, simultaneously because the upper surface of fixed block is the plane, when the needle wing withdrawed between stopper and the fixed block, the needle wing can not continue to return downwards, so stopper and fixed block have accomplished the fixed of needle wing, make the blood sampling syringe needle completely and stably be in back the sleeve.
The utility model relates to a double-joint blood taking needle of development is provided with back the sleeve in syringe needle department, when pulling out the needle and pull out the homoenergetic after the needle and return the syringe needle to back in the sleeve, avoid pricking. And the tail end of the main rubber tube is provided with the double joints which can be respectively connected with an infusion apparatus and a negative pressure blood drawing tube, so that the blood drawing tube and the infusion apparatus can share one channel, and the infusion apparatus can be connected for infusion after the blood drawing is finished, thereby not only reducing the discomfort of a patient, but also reducing the workload of a nurse.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (10)
1. A double junction blood collection needle, comprising:
a blood collection needle head; and
the main rubber tube is communicated with the blood sampling needle head;
the return sleeve is of a circular truncated cone structure, a cylindrical channel penetrates through the return sleeve, and the return sleeve is arranged on the blood taking needle head and used for accommodating the blood taking needle head;
the return sleeve comprises:
the through groove is rectangular and is axially arranged on the side wall of the return sleeve, and one end of the through groove penetrates through one end of the wide surface of the return sleeve;
the fixing block is arranged at the bottom of the through groove and used for fixing the blood sampling needle head;
the adjusting blocks are axially arranged in the through groove at equal intervals, are positioned between the top surface of the through groove and the fixing block, and are used for adjusting the extending length of the needle point of the blood sampling needle head;
the limiting block is arranged at the lower part of the through groove, is positioned between the fixing block and the adjusting block close to the fixing block, and is used for limiting the position of the blood sampling needle head;
in an initial state, the needle wing of the blood sampling needle head is arranged between the adjacent adjusting blocks; when blood is collected, the needle wing of the blood collecting needle head is arranged between the top surface of the through groove and the adjusting block close to the top surface of the through groove; when the blood sampling needle head is returned, the needle wing of the blood sampling needle head is arranged between the limiting block and the fixing block.
2. A dual hub lancet according to claim 1, wherein the adjustment block comprises:
the first adjusting clamping block and the second adjusting clamping block are symmetrically arranged, the opposite side surfaces of the first adjusting clamping block and the second adjusting clamping block are cambered surfaces, the opposite side surfaces of the first adjusting clamping block and the second adjusting clamping block are planes, and the first adjusting clamping block and the second adjusting clamping block are integrally connected with the corresponding side surfaces of the through grooves;
the distance between the opposite side surfaces of the first adjusting clamping block and the second adjusting clamping block is 0.8-1.2 mm.
3. A dual hub lancet as recited in claim 2, wherein the stopper comprises:
the upper parts of the opposite side surfaces of the first limiting clamping block and the second limiting clamping block are cambered surfaces, the lower parts of the first limiting clamping block and the second limiting clamping block are planes, the opposite side surfaces of the first limiting clamping block and the second limiting clamping block are planes, and the first limiting clamping block and the second limiting clamping block are integrally connected with the corresponding side surfaces of the through grooves;
the distance between the opposite side surfaces of the first limiting clamping block and the second limiting clamping block is 0.7-1 mm.
4. A dual hub lancet according to claim 3, wherein the fixing block comprises:
the first fixed clamping block and the second fixed clamping block are symmetrically arranged, the opposite side and the back side of the first fixed clamping block are planes, and the back side of the first fixed clamping block and the back side of the second fixed clamping block are integrally connected with the corresponding side of the through groove;
the upper surfaces of the first fixed clamping block and the second fixed clamping block are planes, the lower surfaces of the first fixed clamping block and the second fixed clamping block are cambered surfaces, and the distance between the opposite side surfaces of the first limiting clamping block and the second limiting clamping block is 0.3-0.5 mm.
5. A dual hub lancet according to claim 1, 2, 3 or 4, further comprising:
the anti-skid grooves are uniformly arranged on the outer side surface of the sleeve barrel in the circumferential direction and are arranged along the axial direction of the sleeve barrel;
the cover cap is detachably covered at the center of one end of the narrow surface of the return sleeve;
and one end of the connecting band is fixedly connected with the cap, and the other end of the connecting band is fixedly connected with the side wall of the return sleeve.
6. A dual hub lancet according to claim 5, wherein the number of said adjustment blocks is 2.
7. A dual hub lancet according to claim 1, 2, 3, 4 or 6, further comprising:
one end of the first joint is communicated with the tail end of the main rubber tube, and the other end of the first joint can be communicated with a negative pressure blood pumping tube;
one end of the second joint is communicated with the tail end of the main rubber tube, and the other end of the second joint can be connected with an infusion apparatus;
a first sealing clip disposed on the first joint;
a second sealing clip disposed on the second joint.
8. A dual hub lancet according to claim 7,
the first joint includes:
the first sleeve is coaxially and integrally formed at the other end of the first connector and is used for connecting the negative pressure blood drawing tube;
the first pipe cap is detachably covered on the first sleeve and used for opening or covering the first sleeve;
the second joint includes:
the second sleeve is coaxially and integrally arranged at the other end of the second connector and is used for connecting the infusion apparatus;
and the second pipe cap is detachably covered on the second sleeve and is used for opening or covering the second sleeve.
9. A dual hub lancet according to claim 8, wherein the lancet head comprises:
a needle handle; and
the needle wing is vertically and integrally formed on one side of the needle handle;
the needle point is coaxially and fixedly connected with one end of the needle handle;
wherein, the main rubber tube is coaxially and fixedly connected with the other end of the needle handle.
10. The dual junction lancet of claim 8 or 9, wherein a distance between adjacent regulating blocks, a distance between the top surface of the through groove and the regulating block adjacent to the top surface of the through groove, a distance between the stopper and the fixed block, and a distance between the stopper and the regulating block adjacent to the stopper are all in the same range of 4 to 7 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020512978.7U CN213075660U (en) | 2020-04-10 | 2020-04-10 | Double-joint blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020512978.7U CN213075660U (en) | 2020-04-10 | 2020-04-10 | Double-joint blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213075660U true CN213075660U (en) | 2021-04-30 |
Family
ID=75600263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020512978.7U Expired - Fee Related CN213075660U (en) | 2020-04-10 | 2020-04-10 | Double-joint blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213075660U (en) |
-
2020
- 2020-04-10 CN CN202020512978.7U patent/CN213075660U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |