CN206120859U - Pjncture needle for medical treatment - Google Patents
Pjncture needle for medical treatment Download PDFInfo
- Publication number
- CN206120859U CN206120859U CN201620488495.1U CN201620488495U CN206120859U CN 206120859 U CN206120859 U CN 206120859U CN 201620488495 U CN201620488495 U CN 201620488495U CN 206120859 U CN206120859 U CN 206120859U
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- CN
- China
- Prior art keywords
- groove
- needle
- rod
- needle guard
- guard
- 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a pjncture needle for medical treatment, including the needle cover, be equipped with two first recesses on the inner wall of needle cover, two first recesses set up along the axis symmetry of needle cover, and first recess sets up perpendicularly, the parallel and level suitable for reading of suitable for reading and the needle cover of first recess, there is the second recess in the below UNICOM of first recess, and the second recess is circularly, and second recess level sets up on the inner wall of needle cover, there are two third recesses in the top UNICOM of second recess, and two third recesses set up along the axis of needle cover is symmetrical, and the third recess sets up perpendicularly, the utility model discloses the device need not the manual needle that pulls out, for linear motion when pulling out the needle, has prevented the artifical error that probably appears when pulling out the needle, the danger that has appeared when having avoided pulling out the needle, the utility model discloses the device has prevented reusing of pjncture needle for disposable device, has avoided cross infection's etc. Emergence.
Description
Technical field
This utility model is related to a kind of medical puncture needle, belongs to medical instruments field.
Background technology
At present, for the treatment of disease, drug administration, human transfusion and operative treatment etc. are all requisite treatment handss
Section, wherein when human transfusion is carried out, needing to use puncture needle carries out human body puncture, and puncture needle is disposable medical article, but
It is after using terminating, due to a variety of causes, the possibility that puncture needle is used again still to occur, result in cross infection etc.
Generation, greatly injury is caused to patient.
In addition, during puncture needle pulls out pin, need to carry out pulling out pin manually, it is possible that pull out the mistake such as direction during pin making
Into puncture needle broken needle, greatly harm is caused to patient, and during pin is pulled out or pulled out after pin terminates, all may go out
Existing needle body punctures again the danger of human body, is unfavorable for treating the carrying out of work.
Utility model content
The technical problems to be solved in the utility model is not enough for more than, there is provided a kind of medical puncture needle, with nothing
Be when need to manually pull out pin, pull out pin move along a straight line, prevent from pulling out occur during pin error, avoid occur when pulling out pin danger, prevent
The advantage for reusing and avoiding cross infection generation of puncture needle.
To solve above technical problem, this utility model is employed the following technical solutions：
A kind of medical puncture needle, including needle guard, the inwall of the needle guard is provided with two the first grooves, and two first recessed
Groove along needle guard axisymmetrical arrange, the first texturearunaperpendicular arrange, the suitable for reading and needle guard of the first groove it is suitable for reading concordant；
The second groove is linked with below first groove, the second groove is rounded, and the second groove is horizontally set on pin
On the inwall of set；
Two the 3rd grooves are linked with above second groove, two the 3rd grooves set along the axisymmetrical of needle guard
Put, the 3rd texturearunaperpendicular is arranged；
The 4th groove is linked with above 3rd groove, the cross sectional shape of the 4th groove is square；
The groove width of first groove, the second groove, the 3rd groove and the 4th groove is equal；
The groove depth of second groove and the 3rd groove is equal, and the groove depth of the second groove is 1.5 times of the first groove groove depth,
The groove depth of the 4th groove is 2 times of the first groove groove depth.
The following is the further optimization to such scheme：
Needle body is provided with the needle guard, needle body can be moved up and down along needle guard, the part that needle body is located in needle guard is provided with two
Locating rod, two locating rods are arranged along the axisymmetrical of needle body, and locating rod is horizontally disposed with.
The locating rod includes the outer body of rod, and one end of the outer body of rod is fixedly connected with the outer wall of needle body, and the other end is inserted with interior
The body of rod, is provided with the first spring between the outer body of rod and the interior body of rod, the interior body of rod can be along outer body of rod horizontal movement；
The interior body of rod is shaped as cylinder, and the bottom surface radius of circle of the interior body of rod is equal to the groove width of the first groove.
The interior body of rod can be inserted respectively in the first groove, the second groove, the 3rd groove and the 4th groove, when the interior body of rod
When in the 4th groove, the lower end of needle body is located at the inside of needle guard.
The upper outer of the needle guard is arranged with fixed cover, and needle guard is threadedly coupled with fixed cover；
The needle body is fixedly arranged above pressing plate, and needle body is located at below pressing plate and is linked with flexible pipe, needle body and fixed cover it
Between be provided with second spring, second spring is set in the outside of needle body, and second spring is fixed on the part of needle body under flexible pipe
Side.
First spring and second spring are compression spring.
This utility model is adopted after above technical scheme, compared with prior art, with advantages below：This utility model is filled
Put without the need for pulling out pin manually, be linear motion when pulling out pin, it is therefore prevented that manually pull out the error being likely to occur during pin, it is to avoid go out when pulling out pin
Existing danger；This utility model device is disposable apparatus, it is therefore prevented that puncture needle is reused, it is to avoid cross infection etc.
Occur.
This utility model is described in detail with reference to the accompanying drawings and examples.
Description of the drawings
Accompanying drawing 1 is the structural representation of this utility model device；
Accompanying drawing 2 is the partial enlarged drawing of A in accompanying drawing 1；
Accompanying drawing 3 is the sectional view of needle guard；
Accompanying drawing 4 is the other direction sectional view of needle guard；
In figure,
1- needle guards, the grooves of 11- first, the grooves of 12- second, the grooves of 13- the 3rd, the grooves of 14- the 4th, 2- needle bodies, 3- positioning
Bar, the outer bodies of rod of 31-, the body of rod in 32-, the springs of 33- first, 4- fixed covers, 5- pressing plates, 6- second springs, 7- flexible pipes.
Specific embodiment
Embodiment, as shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, a kind of medical puncture needle, including needle guard 1, needle guard
1 inwall is provided with two the first grooves 11, and two the first grooves 11 are arranged along the axisymmetrical of needle guard 1, and the first groove 11 hangs down
It is straight to arrange, the suitable for reading and needle guard 1 of the first groove 11 it is suitable for reading concordant；
The lower section of the first groove 11 is linked with the second groove 12, and the second groove 12 is rounded, and the second groove 12 is horizontally disposed with
On the inwall of needle guard 1；
The top of the second groove 12 is linked with two the 3rd grooves 13, axisymmetrical of two the 3rd grooves 13 along needle guard 1
Arrange, the 3rd groove 13 is vertically arranged；
The top of the 3rd groove 13 is linked with the 4th groove 14, and the cross sectional shape of the 4th groove 14 is square；
The groove width of the first groove 11, the second groove 12, the 3rd groove 13 and the 4th groove 14 is equal；
The groove depth of the second groove 12 and the 3rd groove 13 is equal, and the groove depth of the second groove 12 is the groove depth of the first groove 11
1.5 times, the groove depth of the 4th groove 14 is 2 times of the groove depth of the first groove 11.
Needle body 2 is provided with needle guard 1, needle body 2 can be moved up and down along needle guard 1, the part that needle body 2 is located in needle guard 1 is provided with two
Individual locating rod 3, two locating rods 3 are arranged along the axisymmetrical of needle body 2, and locating rod 3 is horizontally disposed with.
Locating rod 3 includes the outer body of rod 31, and one end of the outer body of rod 31 is fixedly connected with the outer wall of needle body 2, and the other end is inserted with
The interior body of rod 32, is provided with the first spring 33 between the outer body of rod 31 and the interior body of rod 32, the interior body of rod 32 can be along the horizontal movement of the outer body of rod 31；
The interior body of rod 32 is shaped as cylinder, and the bottom surface radius of circle of the interior body of rod 32 is equal to the groove width of the first groove 11.
The interior body of rod 32 can be inserted respectively in the first groove 11, the second groove 12, the 3rd groove 13 and the 4th groove 14, when
When the interior body of rod 32 is located in the 4th groove 14, the lower end of needle body 2 is located at the inside of needle guard 1.
The upper outer of needle guard 1 is arranged with fixed cover 4, and needle guard 1 is threadedly coupled with fixed cover 4.
Needle body 2 is fixedly arranged above pressing plate 5, and needle body 2 is located at the lower section of pressing plate 5 and is linked with flexible pipe 7, needle body 2 and fixed cover 4
Between be provided with second spring 6, second spring 6 is set in the outside of needle body 2, second spring 6 be fixed on the part of needle body 2 be located at it is soft
The lower section of pipe 7.
First spring 33 and second spring 6 are compression spring.
During installation, first needle body 2 is inserted in needle guard 1, in insertion process, the interior body of rod 32 is inserted into into the first groove 11
In, then the first spring 6 is fixed on needle body 2 and fixed cover 4, when the first 6 transfixion of spring, the lower end position of needle body 2
In needle guard 1.
When using, hand-held fixed cover 4 promotes pressing plate 5, and needle body 2 is released from needle guard 1 and is inserted in human body, works as interior bar
When body 32 is moved in the second groove 12, the interior body of rod 32 is fixed in the second groove 12, now by flexible pipe 7 to human transfusion,
After infusion-completed, hand-held fixed cover 4 simultaneously rotates needle guard 1, makes the interior body of rod 32 be located at the lower section of the 3rd groove 13, now stops operating
Needle guard 1, in the presence of second spring 6, needle body 2 is moved upwards to be extracted from human body, when the interior body of rod 32 enters into the 4th groove
When in 14, the lower end of needle body 2 is entered in needle guard 1, and now needle body 2 is in cannot mobile status, it is therefore prevented that puncture needle is again
Use, it is to avoid the generation of cross infection etc..
The above is the citing of this utility model preferred forms, wherein the part do not addressed in detail is this area
The common knowledge of those of ordinary skill.Protection domain of the present utility model is defined by the content of claim, any based on this reality
The equivalent transformation carried out with new technology enlightenment, also within protection domain of the present utility model.
Claims (5)
1. a kind of medical puncture needle, including needle guard (1), it is characterised in that：The inwall of the needle guard (1) is provided with two first
Groove (11), two the first grooves (11) are arranged along the axisymmetrical of needle guard (1), and the first groove (11) is vertically arranged, and first is recessed
The suitable for reading and needle guard (1) of groove (11) it is suitable for reading concordant；
The second groove (12) is linked with below first groove (11), the second groove (12) is rounded, the second groove (12)
It is horizontally set on the inwall of needle guard (1)；
Two the 3rd grooves (13) are linked with above second groove (12), two the 3rd grooves (13) are along needle guard (1)
Axisymmetrical is arranged, and the 3rd groove (13) is vertically arranged；
The 4th groove (14) is linked with above 3rd groove (13), the cross sectional shape of the 4th groove (14) is square；
The groove width of first groove (11), the second groove (12), the 3rd groove (13) and the 4th groove (14) is equal；
The groove depth of second groove (12) and the 3rd groove (13) is equal, and the groove depth of the second groove (12) is the first groove (11)
1.5 times of groove depth, the groove depth of the 4th groove (14) is 2 times of the first groove (11) groove depth.
2. a kind of medical puncture needle as claimed in claim 1, it is characterised in that：Needle body (2) is provided with the needle guard (1),
Needle body (2) can be moved up and down along needle guard (1), and part of the needle body (2) in needle guard (1) is provided with two locating rods (3), and two fixed
Position bar (3) is arranged along the axisymmetrical of needle body (2), and locating rod (3) is horizontally disposed with.
3. a kind of medical puncture needle as claimed in claim 2, it is characterised in that：The locating rod (3) is including the outer body of rod
(31), one end of the outer body of rod (31) is fixedly connected with the outer wall of needle body (2), and the other end is inserted with the interior body of rod (32), the outer body of rod
(31) the first spring (33) is provided between the interior body of rod (32), the interior body of rod (32) can be along the outer body of rod (31) horizontal movement；
The interior body of rod (32) is shaped as cylinder, and the bottom surface radius of circle of the interior body of rod (32) is equal to the groove of the first groove (11)
It is wide.
4. a kind of medical puncture needle as claimed in claim 3, it is characterised in that：The interior body of rod (32) can be inserted respectively into
In first groove (11), the second groove (12), the 3rd groove (13) and the 4th groove (14), when the interior body of rod (32) it is recessed positioned at the 4th
When in groove (14), the lower end of needle body (2) is located at the inside of needle guard (1).
5. a kind of medical puncture needle as claimed in claim 2, it is characterised in that：The upper outer of the needle guard (1) is arranged
There is fixed cover (4), needle guard (1) is threadedly coupled with fixed cover (4)；
The needle body (2) is fixedly arranged above pressing plate (5), and needle body (2) is linked with flexible pipe (7), needle body below pressing plate (5)
(2) second spring (6) is provided with and fixed cover (4) between, second spring (6) is set in the outside of needle body (2), second spring (6)
The part for being fixed on needle body (2) is located at the lower section of flexible pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488495.1U CN206120859U (en) | 2016-05-16 | 2016-05-16 | Pjncture needle for medical treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488495.1U CN206120859U (en) | 2016-05-16 | 2016-05-16 | Pjncture needle for medical treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206120859U true CN206120859U (en) | 2017-04-26 |
Family
ID=58560343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620488495.1U Expired - Fee Related CN206120859U (en) | 2016-05-16 | 2016-05-16 | Pjncture needle for medical treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206120859U (en) |
-
2016
- 2016-05-16 CN CN201620488495.1U patent/CN206120859U/en not_active Expired - Fee Related
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Legal Events
| 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: 20170426 Termination date: 20180516 |