CN207886490U - A kind of disposable needle tubing of broken needle - Google Patents
A kind of disposable needle tubing of broken needle Download PDFInfo
- Publication number
- CN207886490U CN207886490U CN201721210038.7U CN201721210038U CN207886490U CN 207886490 U CN207886490 U CN 207886490U CN 201721210038 U CN201721210038 U CN 201721210038U CN 207886490 U CN207886490 U CN 207886490U
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- CN
- China
- Prior art keywords
- needle
- syringe
- nipple
- card slot
- disposable
- 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 kind of disposable needle tubings of broken needle, belong to medical instruments field, being intended to provide one kind being capable of the self-destructed disposable syringe of broken needle, its key points of the technical solution are that a kind of disposable needle tubing of broken needle, including syringe, nipple, syringe needle and needle guard, syringe needle is fixedly connected with nipple, piston and core bar are equipped in syringe, nipple is equipped with a circle annular thin wall, annular thin wall is located at syringe needle with nipple junction close to nipple side, card slot is set on needle guard, needle guard is elastic material, the syringe needle is nested in card slot with nipple, card slot inner wall is equipped with the cambered blade vertical with card slot inner wall.
Description
Technical field
The utility model is related to a kind of disposable syringe, more particularly to a kind of disposable needle tubing of broken needle.
Background technology
Syringe is a kind of common medical instruments.Early in the 15th century, Italian's Ka Di Nellies just propose syringe
Principle is mainly extracted with syringe needle and either injects gas or liquid.
Notification number is that the Chinese patent of CN205108582U discloses a kind of self-destructed disposable syringe, it includes syringe needle
Seat, injection tube, rubber stopper and injection rod；The needle holder is fixed on injection tube front end, and injection rod front end is by being arranged block
It is connected with rubber stopper, block is arranged inside rubber stopper；The block front end is provided with the bar to match with needle holder endoporus
Head, block are arranged the first V-groove with head junction and form the first easy breakpoint, be provided in the needle holder and carried out to head
The fixed mechanism of limit；It is provided with the second V-groove on the injection rod and forms the second easy breakpoint.
This self-destructed disposable syringe is by being arranged the first easy breakpoint and the second easy breakpoint, on completion of an injection,
By fixing first easy breakpoint one end, the first easy breakpoint other end is reversed, piston and a part of injection rod are stayed in syringe, is led to
It crosses manpower and breaks the disconnected second easy breakpoint, realize self-destruction.
The utility model lies in that providing another kind can be reduced by the disposable syringe of the secondary possibility used.
Utility model content
The purpose of this utility model is to provide a kind of disposable needle tubing of broken needle, secondary with that can reduce disposable syringe
The advantages of possibility used.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of disposable needle tubing of broken needle, including syringe, nipple, syringe needle and needle guard, the syringe needle is fixedly connected with nipple, described
Piston and core bar are equipped in syringe, described core bar one end is equipped with cylinder, and the cylinder is equipped with block, and piston one end is equipped with and gear
The groove of block cooperation, the nipple are equipped with a circle annular thin wall, and the annular thin wall is located at syringe needle and nipple junction is close
Nipple side；
Card slot is arranged in one end of the needle guard, and the needle guard is elastic material, and the syringe needle is nested in card slot with nipple
Interior, the card slot inner wall is equipped with the cambered blade vertical with card slot inner wall；
When pinhead sleeve is on needle guard, cambered blade is corresponding with annular thin wall position.
By using above-mentioned technical proposal, used disposable syringe is placed in card slot, syringe needle is pricked into protrusion
In, by syringe close to nipple one end fixed position, position is squeezed by pressing, so that cambered blade is cut off annular thin wall, by syringe needle
It stays in card slot.
Further, core bar is equipped with cylinder, and cylinder upper edge body length direction, which is gone into battle, shows 2 to 3 blocks.
By using above-mentioned technical proposal, by using polylith circle fixture block, comparison is using one piece of round fixture block, polylith circle
The connection of the piston and core bar of shape fixture block is more secured.
Further, the piston is cone close to one end of nipple.
By using above-mentioned technical proposal, comparison piston crown is set as coniform and piston crown is plane, circular cone
More liquids can be released needle bucket by the piston crown of shape, and more liquids is made to enter human body.
Further, the core bar is fixedly connected with thumb rings far from nipple one end, and the syringe is far from nipple one end
Wall is fixedly connected with finger ring, the axis perpendicular of the axis and syringe of the finger ring, and two finger rings about syringe pair
Claim.
By using above-mentioned technical proposal, by being arranged finger ring and thumb rings, when operating syringe, human hand is to syringe
Control it is simpler, stablize.
Further, the card slot bottom is equipped with the protrusion being made of elastic material, bottom and the card slot bottom of the protrusion
Portion is fixedly connected, and the protrusion is less than the length that nipple is added with syringe needle to card slot mouth distance.
By using above-mentioned technical proposal, the needle portion of syringe needle can be fixed in protrusion by the protrusion of card slot, make needle
The sharp parts of head are not exposed to outer.
Further, the raised outer wall is equipped with annular baffle.
By using above-mentioned technical proposal, raised outer wall is equipped with annular baffle, when syringe needle being made to be pricked in groove into protrusion, no
Protrusion can be pricked out, broken syringe needle can be made parallel with card slot.
Further, it is provided with volume graduation apparatus on the syringe.
By using above-mentioned technical proposal, it can clearly pass through the easy graduation mark of observation syringe outer wall, it is thus understood that into
Enter the amount of the liquid of human body.
Further, the card slot outer wall is provided with the extruding position being recessed inwardly, and the extruding is in positioned at cambered blade
The same horizontal position.
By using above-mentioned technical proposal, being arranged on card slot outer wall has apparent extruding position, makes when operation is by position is squeezed,
Operating position can be specified, keeps operation simpler clear.
In conclusion the utility model has the advantages that：
1. using needle guard uses elastic material, cambered blade is set in groove, annular thin wall is set on nipple, by squeezing
Pressing covers outer wall, so that cambered blade is cut off annular thin wall, to generate self-destructed effect；
2. using finger ring and thumb rings, when operating disposable syringe, hand can more easily grasp syringe,
To generate in the disposable injection of operation, the effect of the possibility for syringe of not holding steadily is reduced；
3. the cooperation of multilayer block and the groove on piston is used, to generate the contact surface for increasing core bar and piston,
Improve the effect of the bonding strength between core bar and piston.
Description of the drawings
Fig. 1 is in the present embodiment for embodying overall structure diagram；
Fig. 2 is in the present embodiment for embodying internal structure schematic diagram；
Fig. 3 is the enlarged drawing in the portions A in Fig. 2.
In figure, 1, syringe；11, piston；111, groove；12, core bar；121, cylinder；122, block；13, finger ring；14、
Thumb rings；15, volume graduation apparatus；2, nipple；21, annular thin wall；3, syringe needle；4, needle guard；41, card slot；411, raised；412, ring
Shape catch；413, cambered blade；42, position is squeezed.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of disposable needle tubing of broken needle, as shown in Fig. 2, including syringe 1, nipple 2, syringe needle 3 and needle guard 4.
As shown in Fig. 2, syringe needle 3 is fixedly connected with nipple 2, annular thin wall 21 is equipped on nipple 2, annular thin wall 21 is located at
Far from 3 one end of syringe needle, tube wall is the 1/2 of 2 normal tube wall of nipple at annular thin wall 21, and nipple 2 is fixedly connected with syringe 1, needle guard 4
It is made of elastic material, one end of needle guard 4 is installed with card slot 41, and needle guard 4 can be nested on syringe needle 3, and needle guard 4 and breast
First 2 is mutually chimeric.
As shown in Fig. 2, being equipped with piston 11 and core bar 12 in syringe 1,12 one end of core bar is inserted into syringe 1, and the other end stretches out
Syringe 1, the one end in syringe 1 of core bar 12 are equipped with cylinder 121, and cylinder 121 is gone into battle along its axial direction shows 3 collar stops
122, piston 11 be equipped with 122 matched groove 111 of rounded stops, core bar 12 and piston 11 by rounded stops 122 with
Groove 111 is clamped, and the one end of piston 11 far from core bar 12 is pyramid type, passes through 3 rounded stops 122 on cylinder 121
With the cooperation of groove 111, the connection of core bar 12 and syringe 1 can be enhanced, pass through the conical structure on piston 11, it is possible to reduce
The residual quantity of 1 inner liquid medicine of syringe when injection.
As shown in Figure 1,1 outer wall of syringe is equipped with volume graduation apparatus 15；Understanding note can be observed by volume graduation apparatus 15
The dosage penetrated.
As shown in Figure 1, syringe 1 is far from nipple 2（Referring to Fig. 2）One end on the outside of be fixedly connected with finger ring 13, finger ring
13 are annulus and are set as two.The axis perpendicular of the axis and syringe 1 of finger ring 13, and two finger rings 13 are about syringe
1 is symmetrical.The one end of core bar 12 far from syringe 1 is equipped with thumb rings 14.By the way that finger ring 13 and thumb rings 14 are arranged, injected in operation
When device, no matter to being pushed forward or pull back and singlehanded can complete operation.
As shown in Fig. 2, the internal diameter of card slot 41 is adapted to nipple 2, card slot 41 is equipped with cambered blade close to the inner wall of opening
413,41 bottom of card slot is equipped with protrusion 411, and 411 outside of protrusion is equipped with annular baffle 412, and protrusion 411 arrives the distance of 41 mouthfuls of card slot
The length being added with syringe needle 3 less than nipple 2.The present embodiment protrusions 411 are made of rubber material, so that the point of syringe needle 3
End can be embedded in protrusion 411, increase the stability connected between sleeve 4 and nipple 2 and syringe needle 3.
As shown in Fig. 2, 41 outer wall of card slot be equipped with cambered blade 413 be in the same horizontal position be recessed inwardly to be formed it is crowded
Position 42 is pressed, when needle guard 4 is sleeved on nipple 2, cambered blade 413 is corresponding with 21 position of annular thin wall, and it is flat to squeeze position 42
Oval shallow slot.
Specific implementation process：Broken needle disposable syringe is taken out, index finger is inserted into two circles of finger ring 13 with middle finger respectively
In ring, thumb is inserted into thumb rings 14, and piston 11 is pushed into 1 bottom of syringe, and thumb moves up, and core bar 12 is driven to pull back, and is taken out
Taking liquid is drawn into enough liquids and then stops by observing volume graduation apparatus 15.
Upward by syringe needle 3, thumb rings 14 are gently pushed by thumb, so that core bar 12 is moved to the direction of syringe needle 3, until work
After air between plug 11 and nipple 2 is drained, syringe needle 3 is penetrated in human body, liquid is pushed into human body, is extracted after completing injection
Syringe needle 3.
Syringe needle 3 is put into needle guard 4, since 411 outer walls of protrusion have one layer of rigid plastics annular baffle 412, works as syringe
Complete injection after, syringe needle 3, which returns, to be inserted among needle guard 4, when syringe when moving, syringe needle 3 prick protrusion 411 in, card slot 41
It is chimeric with nipple 2.Position 42 is squeezed by flicking at this time so that cambered blade 413 is contacted with nipple 2, when mobile syringe, sense
Feel that increasing passes through cambered blade 413 and cut off nipple to the power of extruding position 42 when having significant change to squeezing the power that position 42 applies
Annular thin wall 21 on 2, syringe needle 3 are stayed in a part of nipple 2 in needle guard 4, and syringe is broken at nipple 2, avoids secondary make
Possibility, while reducing the possibility that syringe needle 3 stabs personnel.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of disposable needle tubing of broken needle, including syringe (1), nipple (2), syringe needle (3) and needle guard (4), the syringe needle (3) and breast
Head (2) is fixedly connected, and piston (11) and core bar (12) are equipped in the syringe (1), it is characterized in that：
The nipple (2) is equipped with annular thin wall（21）, the annular thin wall（21）On nipple (2) and close to syringe (1)
Side；
One end of the needle guard (4) is equipped with card slot (41), and the needle guard (4) is made of elastic material, the syringe needle (3) and breast
Head (2) is nested in card slot (41), and Circle-Array shows two panels cambered blade (413) on card slot (41) inner wall；
When syringe needle (3) is sleeved on needle guard (4), cambered blade (413) is corresponding with annular thin wall (21) position.
2. the disposable needle tubing of a kind of broken needle according to claim 1, it is characterized in that：The core bar（12）It is equipped with cylinder
(121), it in axial direction goes into battle on the cylinder (121) and shows 2 to 3 blocks (122)；
The piston（11）It is equipped with and block (122) matched groove（111）.
3. the disposable needle tubing of a kind of broken needle according to claim 1, it is characterized in that：The piston (11) is close to nipple（2）
One end be cone.
4. the disposable needle tubing of a kind of broken needle according to claim 1, it is characterized in that：The core bar（12）Far from nipple（2）
One end is fixedly connected with thumb rings (14), and the syringe (1) is fixedly connected with finger ring (13) far from nipple (2) one end side wall,
The finger ring（13）Axis and syringe（1）Axis perpendicular, and two finger rings（13）About syringe（1）Symmetrically.
5. the disposable needle tubing of a kind of broken needle according to claim 1, it is characterized in that：Card slot (41) bottom is equipped with by bullet
Property material constitute protrusion (411), the protrusion（411）Bottom and card slot（41）Bottom is fixedly connected, the protrusion (411)
It is less than the length that nipple (2) is added with syringe needle (3) to card slot (41) mouth distance.
6. the disposable needle tubing of a kind of broken needle according to claim 5, it is characterized in that：Described protrusion (411) outer wall is equipped with ring
Shape catch (412), the annular baffle（412）It is embedded in protrusion（411）With card slot（41）Between.
7. the disposable needle tubing of a kind of broken needle according to claim 1, it is characterized in that：Syringe (1) outer wall is provided with appearance
Product graduation apparatus (15).
8. the disposable needle tubing of a kind of broken needle according to claim 1, it is characterized in that：Card slot (41) outer wall be provided with to
The extruding position (42) of sunken inside, the extruding position (42) are in the same horizontal position in cambered blade (413).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210038.7U CN207886490U (en) | 2017-09-19 | 2017-09-19 | A kind of disposable needle tubing of broken needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721210038.7U CN207886490U (en) | 2017-09-19 | 2017-09-19 | A kind of disposable needle tubing of broken needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207886490U true CN207886490U (en) | 2018-09-21 |
Family
ID=63547660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721210038.7U Expired - Fee Related CN207886490U (en) | 2017-09-19 | 2017-09-19 | A kind of disposable needle tubing of broken needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207886490U (en) |
-
2017
- 2017-09-19 CN CN201721210038.7U patent/CN207886490U/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: 20180921 Termination date: 20190919 |