CN220512854U - Blood sampling detention needle - Google Patents
Blood sampling detention needle Download PDFInfo
- Publication number
- CN220512854U CN220512854U CN202321826716.8U CN202321826716U CN220512854U CN 220512854 U CN220512854 U CN 220512854U CN 202321826716 U CN202321826716 U CN 202321826716U CN 220512854 U CN220512854 U CN 220512854U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- wall
- recess
- steel needle
- needle
- 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.)
- Active
Links
- 238000010241 blood sampling Methods 0.000 title abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 210000004369 blood Anatomy 0.000 claims description 15
- 239000008280 blood Substances 0.000 claims description 15
- 230000014759 maintenance of location Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 2
- 210000004204 blood vessel Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000001802 infusion Methods 0.000 description 2
- 101100074187 Caenorhabditis elegans lag-1 gene Proteins 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a blood sampling detention needle which comprises a connecting seat, a hose, a base and a steel needle, wherein one end of the connecting seat is fixedly connected with the hose, one end of the connecting seat, which is far away from the hose, is inserted with the base, one side of the base is fixedly connected with the steel needle, the steel needle is in contact connection with the hose, a cavity is formed in one end of the base, which is close to the connecting seat, a first groove is formed in the base, a protective sleeve is connected to the inner wall of the first groove in a sliding manner, a through hole is formed in the inner wall of the first groove, the through hole is communicated with the cavity, limiting paper is fixedly connected to the inner wall of the through hole, and one end of the limiting paper, which is far away from the cavity, is matched with the inner wall of the first groove.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to a blood sampling detention needle.
Background
The retention needle is a needle which can be penetrated into a blood vessel once and reused repeatedly when the infusion bottle is opened for a long time, so that the pain of patients caused by repeated injection can be relieved, and particularly for patients suffering from edema, the workload of clinical nurses is relieved on the other hand, and the infusion bottle is convenient and quick;
when the existing blood sampling detention needle is used, the detention needle needs to be used for penetrating blood vessels at thirty degrees, then the steel needle in the detention needle is taken out, only a hose is reserved, but when the steel needle is taken out, a nurse still needs to fix the detention needle, the taken out steel needle is not blocked at all because of the outside, the patient or the nurse is very easy to be penetrated for the second time, a plurality of patients have infectious diseases and can be transmitted through blood, and therefore the existing detention needle has high use risk for nurses.
For this purpose, we propose a blood collection retention needle.
Disclosure of Invention
The present utility model is directed to a blood collection retention needle to solve the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a blood sampling detains needle includes connecting seat, hose, base and steel needle, the one end fixedly connected with hose of connecting seat, the one end that the hose was kept away from to the connecting seat is pegged graft and is had the base, one side fixedly connected with steel needle of base, steel needle and hose contact connection, the base is close to the inside cavity of having seted up of one end of connecting seat, first recess has been seted up to the inside base, first recess inner wall sliding connection has the lag, the through-hole has been seted up to first recess inner wall, the through-hole is put through with the cavity, through-hole inner wall fixedly connected with spacing paper, the one end that the cavity was kept away from to spacing paper and the cooperation of first recess inner wall are installed, the one end of lag is equipped with stop device.
Preferably, the interior of the protective sleeve is hollow.
Preferably, the limiting device includes: the steel needle protection device comprises a first spring, a sliding groove and a sliding block, wherein the first spring is fixedly connected with the inside of a protection sleeve, one end of the first spring, which is far away from the steel needle, is fixedly connected with the inner wall of the first groove, the sliding groove is formed in the inner wall of the first groove, one end of the protection sleeve, which is far away from the steel needle, is fixedly connected with the sliding block, the sliding block is slidably connected with the sliding groove, a second groove is formed in one side of the sliding block, a second spring is fixedly connected with the inner wall of the second groove, one end of the second spring is fixedly connected with a sliding plate, which is far away from one side of the second spring, is fixedly connected with a clamping block, and a clamping groove is formed in the sliding groove, which is close to the inside of the steel needle.
Preferably, the position of the inner wall of the first groove corresponding to the through hole is provided with an avoidance groove, and the inner wall of the avoidance groove is fixedly connected with one end of the limiting paper.
Preferably, a rubber pad is fixedly connected to one side of the sliding plate.
Preferably, the length of the protective sleeve is longer than the length of the steel needle.
Preferably, the outer wall of the connecting seat is symmetrically and fixedly connected with the lug plate.
Preferably, the limiting paper is water-soluble paper.
Compared with the prior art, the utility model has the beneficial effects that:
when the protective sleeve is used, the detained needle can just penetrate into a blood vessel, blood return is formed, the blood return enters the cavity, the limiting paper is soaked to dissolve the blood return, at the moment, the protective sleeve is taken out and limited to slide downwards under the cooperation of the first spring, so that the protective sleeve covers the steel needle, when the steel needle is completely taken out, the protective sleeve completely covers the steel needle, and when the protective sleeve is matched with the clamping groove through the clamping block, the protective sleeve cannot retract.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a base structure according to the present utility model;
FIG. 3 is a schematic side cross-sectional view of the base of the present utility model;
FIG. 4 is a schematic view of a partial cross-sectional structure of a protective jacket according to the present utility model.
In the figure: 1. a connecting seat; 2. a hose; 3. a base; 4. a steel needle; 5. a cavity; 6. a first groove; 7. a protective sleeve; 8. a through hole; 9. limiting paper; 10. a limiting device; 11. an avoidance groove; 12. a rubber pad; 13. ear plates; 101. a first spring; 102. a chute; 103. a slide block; 104. a second groove; 105. a second spring; 106. a slide plate; 107. a clamping block; 108. a clamping groove.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a blood sampling detention needle is shown, including connecting seat 1, hose 2, base 3 and steel needle 4, the one end fixedly connected with hose 2 of connecting seat 1, the one end that hose 2 was kept away from to connecting seat 1 is pegged graft and is had base 3, one side fixedly connected with steel needle 4 of base 3, steel needle 4 is connected with hose 2 contact, cavity 5 has been seted up to the inside one end that is close to connecting seat 1 of base 3, first recess 6 has been seted up to the inside base 3, first recess 6 inner wall sliding connection has lag 7, through-hole 8 has been seted up to first recess 6 inner wall, through-hole 8 and cavity 5 switch-on, through-hole 8 inner wall fixedly connected with spacing paper 9, spacing paper 9 keeps away from the one end and the first recess 6 inner wall cooperation installation of cavity 5, the one end of lag 7 is equipped with stop device 10, the inside hollow design that is of lag 7, first recess 6 inner wall and through-hole 8 correspond the department has seted up groove 11, the one end fixedly connected with spacing paper 9 of dodging groove 11, the length of lag 7, the length that the length of plug-in that the water-soluble board is fixed connection is good at 1, the water-soluble board is fixed to the length of lag 1.
Referring to fig. 3-4, the limiting device 10 includes: the steel needle protection device comprises a first spring 101, a sliding groove 102 and a sliding block 103, wherein the first spring 101 is fixedly connected to the inside of the protection sleeve 7, one end of the first spring 101, far away from the steel needle 4, is fixedly connected with the inner wall of the first groove 6, the sliding groove 102 is formed in the inner wall of the first groove 6, one end of the protection sleeve 7, far away from the steel needle 4, is fixedly connected with the sliding block 103, the sliding block 103 is slidably connected with the sliding groove 102, a second groove 104 is formed in one side of the sliding block 103, a second spring 105 is fixedly connected to one end of the second spring 105, a sliding plate 106 is slidably connected with the second groove 104, one side, far away from the second spring 105, of the sliding plate 106 is fixedly connected with a clamping block 107, a clamping groove 108 is formed in the inside, close to the steel needle 4, and one side of the sliding plate 106 is fixedly connected with a rubber pad 12.
Working principle:
when the utility model is used, the detaining needle body is firstly penetrated into a blood vessel at an angle within thirty degrees, blood in the blood vessel enters a cavity 5 in a base 3 through a steel needle 4, finally, limiting paper 9 is soaked through a through hole 8, the limiting paper 9 does not provide tension because the limiting paper 9 is water-soluble paper, at the moment, the protecting sleeve 7 loses the blocking of the limiting paper 9, moves towards the steel needle 4 along a first groove 6 under the elastic force of a first spring 101 until the connecting seat 1 is reached, stops, then slowly takes out the steel needle 4, at the moment, the protecting sleeve 7 is static relative to the connecting seat 1 and moves relative to the base 3 and the steel needle 4, when the steel needle 4 is completely taken down, a clamping block 107 on the protecting sleeve 7 is clamped with a clamping groove 108 under the elastic force of a second spring 105, at the moment, the protecting sleeve 7 cannot move, and covers the whole steel needle 4, and the protecting sleeve 7 cannot be pricked for a second time because the length of the protecting sleeve 7 is longer than the steel needle 4.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A blood collection retention needle comprising: connecting seat (1), hose (2), base (3) and steel needle (4), the one end fixedly connected with hose (2) of connecting seat (1), the one end that hose (2) was kept away from to connecting seat (1) is pegged graft and is had base (3), one side fixedly connected with steel needle (4) of base (3), steel needle (4) are connected with hose (2) contact, its characterized in that: the base (3) is close to the inside cavity (5) of having seted up of one end of connecting seat (1), first recess (6) have been seted up to base (3) inside, first recess (6) inner wall sliding connection has lag (7), through-hole (8) have been seted up to first recess (6) inner wall, through-hole (8) are put through with cavity (5), through-hole (8) inner wall fixedly connected with spacing paper (9), the one end and the first recess (6) inner wall cooperation installation of cavity (5) are kept away from to spacing paper (9), the one end of lag (7) is equipped with stop device (10).
2. A blood collection retention needle according to claim 1, wherein: the interior of the protective sleeve (7) is hollow.
3. A blood collection retention needle according to claim 2, wherein: the limiting device (10) comprises: first spring (101), spout (102) and slider (103), inside fixedly connected with first spring (101) of lag (7), the one end and first recess (6) inner wall fixed connection of steel needle (4) are kept away from to first spring (101), spout (102) have been seted up to first recess (6) inner wall, one end fixedly connected with slider (103) of steel needle (4) are kept away from to lag (7), slider (103) and spout (102) sliding connection, second recess (104) have been seted up to one side of slider (103), second recess (104) inner wall fixedly connected with second spring (105), one end fixedly connected with slide (106) of second spring (105), slide (106) and second recess (104) sliding connection, one side fixedly connected with fixture block (107) of second spring (105) are kept away from to slide (106), draw-in groove (108) have been seted up near the inside of steel needle (4) in spout (102).
4. A blood collection retention needle according to claim 1, wherein: an avoidance groove (11) is formed in the position, corresponding to the through hole (8), of the inner wall of the first groove (6), and the inner wall of the avoidance groove (11) is fixedly connected with one end of the limiting paper (9).
5. A blood collection retention needle according to claim 3, wherein: one side of the sliding plate (106) is fixedly connected with a rubber pad (12).
6. A blood collection retention needle according to claim 1, wherein: the length of the protective sleeve (7) is longer than that of the steel needle (4).
7. A blood collection retention needle according to claim 1, wherein: the outer wall of the connecting seat (1) is symmetrically and fixedly connected with an ear plate (13).
8. A blood collection retention needle according to claim 1, wherein: the limiting paper (9) is water-soluble paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321826716.8U CN220512854U (en) | 2023-07-12 | 2023-07-12 | Blood sampling detention needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321826716.8U CN220512854U (en) | 2023-07-12 | 2023-07-12 | Blood sampling detention needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220512854U true CN220512854U (en) | 2024-02-23 |
Family
ID=89935524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321826716.8U Active CN220512854U (en) | 2023-07-12 | 2023-07-12 | Blood sampling detention needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220512854U (en) |
-
2023
- 2023-07-12 CN CN202321826716.8U patent/CN220512854U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0462814B1 (en) | Blood withdrawal apparatus | |
| EP0792657A3 (en) | Guidewire retention device | |
| CN220512854U (en) | Blood sampling detention needle | |
| CN204121525U (en) | Two safe type venous retaining needle | |
| CN210784375U (en) | Venous blood collection anti-reflux device and blood taking needle | |
| CN204484941U (en) | A kind of department of pediatrics remaining needle fixing device | |
| CN108744146B (en) | Needle-stick-preventing remaining needle | |
| CN213347203U (en) | Venous indwelling needle with anti-acupuncture protection device | |
| CN110338819A (en) | A kind of New medical needle and application method | |
| CN211798022U (en) | Closed needle-puncture-preventing remaining needle | |
| CN106390233B (en) | Disposable automatic pop-up medical needle | |
| CN211583180U (en) | Novel medical needle | |
| CN110075387B (en) | Needle-prick-preventing remaining needle capable of observing needle withdrawal distance | |
| CN210904412U (en) | Liquid fixing device of infusion apparatus | |
| CN216319249U (en) | Telescopic transfusion needle and transfusion structure | |
| CN204683625U (en) | The disposable vein blood taking needle that a kind of safety is higher | |
| CN211068436U (en) | Novel multifunctional remaining needle | |
| CN211068441U (en) | Indwelling needle with safety device | |
| CN210933137U (en) | Fixator of external infusion needle of remaining needle | |
| CN209826744U (en) | Anti-needle-prick disposable blood taking needle | |
| CN210056988U (en) | Remaining needle | |
| CN105561436B (en) | Special transfusion needle | |
| CN215194829U (en) | PTCD fixing device | |
| CN212415737U (en) | Puncture needle rebounding device | |
| CN220404561U (en) | Prevent remaining needle of puncture side opening feed liquor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |