CN113082390A - Concealed self-destruction syringe needle - Google Patents
Concealed self-destruction syringe needle Download PDFInfo
- Publication number
- CN113082390A CN113082390A CN202110330820.7A CN202110330820A CN113082390A CN 113082390 A CN113082390 A CN 113082390A CN 202110330820 A CN202110330820 A CN 202110330820A CN 113082390 A CN113082390 A CN 113082390A
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- China
- Prior art keywords
- needle
- cap
- protective cap
- guide sleeve
- tooth
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/3278—Apparatus for destroying used needles or syringes
Abstract
The invention relates to the technical field of injection needles, in particular to a hidden self-destruction needle, which comprises an injection needle and a hidden needle device, wherein the hidden needle device comprises a hidden needle cap, a protective cap, a guide sleeve and an elastic element; the first inclined plane matching structure and the second inclined plane matching structure are used for enabling the protective cap to rotate in the same direction while axially displacing, the locking groove is used for blocking a tooth column in the locking groove, and the protective cap cannot axially displace inwards.
Description
Technical Field
The invention relates to the technical field of injection needles, in particular to a hidden self-destruction needle.
Background
At present, the injection needle is generally protected by a needle sleeve to prevent workers from being accidentally punctured and prevent the injection needle from being damaged due to collision, and the injection needle mainly has the following defects:
1) in the injection process, the injection needle is directly exposed to the outside, so that the fear of a patient is easily caused, the psychological pressure is caused, the smooth injection is not facilitated, and particularly, when children are injected, the fear of the children is more common;
2) after injection, an operator usually cannot sleeve the needle sleeve on the injection needle again, and the injection needle is directly exposed outside, so that related personnel can be stabbed, and cross infection is caused;
3) after injection, the injection needle can not be self-destroyed, so that the possibility of being repeatedly utilized exists, and the spread of diseases is easily caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the defects in the prior art, a hidden self-destruction needle is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a hidden self-destruction needle comprises an injection needle and a hidden needle device, wherein the hidden needle device comprises a hidden needle cap, a protective cap, a guide sleeve and an elastic element, the guide sleeve is fixed on the injection needle, the protective cap is movably arranged on the guide sleeve, the hidden needle cap is slidably arranged on the protective cap, and one end of the injection needle is positioned in the protective cap; the protective cap is provided with a protective cap, and the protective cap is provided with a protective cap cover;
form first inclined plane cooperation structure when the outer end tip of tooth post contacts with the inner of latent needle cap, form second inclined plane cooperation structure when the outer end tip of tooth post contacts with the inner of partition portion, first inclined plane cooperation structure and second inclined plane cooperation structure all are used for making the protective cap rotate along same direction when axial displacement, elastic element is used for making the protective cap carry out outside axial displacement behind the inside axial displacement, the locking groove is used for blockking the tooth post in it, causes the unable inside axial displacement of protective cap.
When the concealed needle cap is utilized to generate inward axial displacement in the scheme, the first inclined plane matching structure can enable the tooth column of the protective cap to deflect from the inner end of the guide groove to the inner end of the partition part to form a second inclined plane matching structure, at the moment, the elastic element pushes the protective cap to reset axially, the tooth column deflects under the action of the second inclined plane matching structure to enter the locking groove, and finally the tooth column reaches the locking groove and is blocked by the locking groove, so that the protective cap is prevented from generating the inward axial displacement for the second time, the injection needle is automatically self-destructed after being used once, and the destruction is not required to be carried out by deliberate operation.
Furthermore, the end part of the outer end of the tooth column is provided with a first inclined plane, a plurality of second inclined planes matched with the first inclined planes are distributed at intervals at the inner end of the needle hiding cap, and a first inclined plane matching structure is formed when the first inclined planes and the second inclined planes are contacted with each other; through the mutual matching of the first inclined plane and the second inclined plane, when the protective cap is axially displaced, a component force enabling the protective cap to rotate exists, and therefore the protective cap is axially displaced and simultaneously rotates.
Furthermore, the inner end of the partition part is provided with a third inclined surface matched with the first inclined surface, and a second inclined surface matching structure is formed when the third inclined surface and the first inclined surface are contacted with each other; through the mutual matching of the first inclined plane and the third inclined plane, when the protective cap is axially displaced, a component force for rotating the protective cap also exists, and the protective cap is further rotated while being axially displaced.
Furthermore, a step surface for blocking the tooth column is arranged in the locking groove, and the step surface in the same clamping groove group is positioned on one side, far away from the guide groove, in the locking groove; in the process that the elastic element pushes the protective cap to reset axially, the tooth column is contacted with the inner end of the needle hiding cap again to form a first inclined plane matching structure after reaching the locking groove, the tooth column axially moves outwards in the locking groove and rotates towards the side where the step surface is located until the inner end of the tooth column is opposite to the step surface, so that the inward axial displacement of the tooth column through the step surface forms a barrier, and the protective cap is prevented from generating a second inward axial displacement.
Furthermore, the card slot group is provided with a plurality of tooth posts which are distributed on the guide sleeve at intervals along the circumferential direction of the guide sleeve, the tooth posts are provided with a plurality of tooth posts which are distributed on the protective cap at intervals along the circumferential direction of the protective cap, the tooth posts are in one-to-one correspondence with the guide sleeve, and the tooth posts are positioned in the guide slots of the card slot group corresponding to the tooth posts; by utilizing the design of the plurality of tooth columns and the plurality of clamping groove groups, the plurality of tooth columns can simultaneously drive the protective cap to rotate, the stability during rotation is ensured, and clamping stagnation caused by unbalanced stress during rotation of the protective cap is prevented.
Furthermore, an axial limiting structure for preventing the hidden needle cap from being separated from the guide sleeve is arranged between the hidden needle cap and the guide sleeve.
Furthermore, a sliding block protrudes from the needle hiding cap and is arranged in a guide groove of the card groove group in a sliding manner; therefore, the hidden needle cap is slidably arranged on the guide sleeve, and the compactness of the structure is improved; meanwhile, when the sliding block contacts with the end part of the outer end of the guide groove, the hidden needle cap can be prevented from being separated outwards from the guide sleeve, so that an axial limiting structure is formed.
In order to facilitate manufacturing and assembling, the guide sleeve is sleeved outside the needle hiding cap, the outer end of the protective cap is inserted into the needle hiding cap, the inner end of the protective cap is inserted into the guide sleeve, the clamping groove group is located on the inner ring wall of the guide sleeve, and the tooth column is located at the inner end of the outer peripheral surface of the protective cap.
Furthermore, the injection needle comprises a needle seat and a needle tube fixed in the needle seat, one end of the elastic element props against the protective cap, and the other end of the elastic element props against the needle seat.
Further, the elastic element is a spring.
Furthermore, the needle hiding devices are two and are respectively positioned at two ends of the injection needle head.
Furthermore, the needle hider further comprises a shell, and guide sleeves and an injection needle head in the two needle hider devices are fixed in the shell.
The invention has the beneficial effects that: the hidden self-destruction needle head can shield the injection needle head, realizes the hiding function of the injection needle head, can automatically lock and hide the injection needle head again after being used once, avoids being repeatedly utilized, realizes self-destruction, does not need to artificially provide extra destruction action, is convenient to operate, greatly improves the safety performance, and has good market prospect.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is an exploded view of the concealed self-destructive needle of the present invention;
FIG. 2 is a schematic cross-sectional view of the concealed self-destructive needle of the present invention;
FIG. 3 is a three-dimensional schematic view of a needle cap of the concealed self-destructive needle of the present invention;
FIG. 4 is a three-dimensional schematic view of a protective cap in the concealed self-destructive needle of the present invention;
FIG. 5 is a schematic three-dimensional cross-sectional view of a guide sleeve in the concealed self-destructive needle of the present invention;
FIG. 6 is a schematic cross-sectional view of a guide sleeve in the concealed self-destructive needle of the present invention;
FIG. 7 is a schematic bottom view of a guide sleeve in the concealed self-destructive needle of the present invention;
FIG. 8 is a schematic view showing the engagement between the slider and the guide groove before the use of the concealed self-destructive needle of the present invention;
FIG. 9 is a schematic view of the sliding block moving to the inner end of the guiding slot when the concealed self-destruction needle of the present invention is used for injection;
FIG. 10 is a schematic view showing the engagement of the slider and the partition during the process of restoring the protective cap after the injection of the concealed self-destructive needle according to the present invention;
FIG. 11 is a schematic view showing the case where the sliding block is locked by the locking groove after the concealed self-destruction needle of the present invention is injected.
In the figure: 1. an injection needle head 11, a needle seat 12 and a needle tube;
2. the hidden needle device 21, the hidden needle cap 21a, the second inclined surface 21b, the sliding block 22, the protective cap 22a, the tooth post 22a1, the first inclined surface 23, the guide sleeve 231, the card slot group 231a, the guide slot 231b, the partition 231b1, the third inclined surface 231c, the locking slot 231c1, the step surface 24 and the elastic element;
3. a housing.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention, and directions and references (e.g., upper, lower, left, right, etc.) may be used only to help the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1-11, a hidden self-destruction needle comprises an injection needle 1 and a hidden needle device 2, wherein the hidden needle device 2 comprises a hidden needle cap 21, a protective cap 22, a guide sleeve 23 and an elastic element 24, the guide sleeve 23 is fixed on the injection needle 1, the protective cap 22 is movably arranged on the guide sleeve 23, the hidden needle cap 21 is slidably mounted on the protective cap 22, and one end of the injection needle 1 is located in the protective cap 22; the guide sleeve 23 is provided with a slot group 231, the slot group 231 comprises a guide slot 231a and a locking slot 231c, the inner ends of the guide slot 231a and the locking slot 231c are communicated with each other, a partition 231b is formed between the guide slot 231a and the locking slot 231c, the protective cap 22 is provided with a tooth post 22a, and the tooth post 22a is positioned in the guide slot 231 a;
the outer end of the tooth post 22a contacts with the inner end of the needle hiding cap 21 to form a first inclined surface matching structure, the outer end of the tooth post 22a contacts with the inner end of the partition 231b to form a second inclined surface matching structure, the first inclined surface matching structure and the second inclined surface matching structure are both used for enabling the protective cap 22 to rotate along the same direction while axially displacing, the elastic element 24 is used for enabling the protective cap 22 to axially displace outwards after moving inwards, and the locking groove 231c is used for blocking the tooth post 22a in the locking groove to prevent the protective cap 22 from axially displacing inwards.
The outer end of the tooth column 22a is provided with a first inclined surface 22a1, the inner end of the needle hiding cap 21 is distributed with a plurality of second inclined surfaces 21a matched with the first inclined surfaces 22a1 at intervals, and the first inclined surfaces 22a1 and the second inclined surfaces 21a form a first inclined surface matching structure when contacting with each other; by the cooperation of the first inclined surface 22a1 and the second inclined surface 21a, a force component is generated which causes the protective cap 22 to rotate when the protective cap 22 is axially displaced, and thus the protective cap 22 is rotated simultaneously with the axial displacement.
The inner end of the partition 231b has a third inclined surface 231b1 matched with the first inclined surface 22a1, and the third inclined surface 231b1 and the first inclined surface 22a1 form a second inclined surface matching structure when contacting with each other; the cooperation of the first slope 22a1 and the third slope 231b1 allows a force component to be present which causes the protective cap 22 to rotate during the axial displacement of the protective cap 22, thereby allowing the protective cap 22 to rotate simultaneously with the axial displacement.
In the embodiment, the first inclined surface 22a1, the second inclined surface 21a, and the third inclined surface 231b1 are all inclined plane structures, and may also be arc-shaped surfaces.
The locking groove 231c is provided with a step surface 231c1 for blocking the tooth post 22a, and the step surface 231c1 in the same card groove group 231 is positioned at the side of the locking groove 231c far away from the guide groove 231 a; during the process that the elastic element 24 pushes the protective cap 22 to axially reset, after the tooth posts 22a reach the locking grooves 231c, they will again contact the inner end of the needle hiding cap 21 to form a first inclined surface matching structure, and the tooth posts 22a will rotate toward the side of the step surface 231c1 while moving axially outward in the locking grooves 231c until the inner ends of the tooth posts 22a are opposite to the step surface 231c1, so as to form a stop for the inward axial displacement of the tooth posts 22a through the step surface 231c1, and avoid the second inward axial displacement of the protective cap 22.
The plurality of card slot groups 231 are distributed on the guide sleeve 23 at equal intervals along the circumferential direction of the guide sleeve 23, the plurality of tooth posts 22a are distributed on the protective cap 22 at equal intervals along the circumferential direction of the protective cap 22, the tooth posts 22a correspond to the guide sleeve 23 one by one, and the tooth posts 22a are positioned in the guide slots 231a of the card slot groups 231 corresponding to the tooth posts 22 a; by utilizing the design of the plurality of tooth posts 22a and the plurality of clamping groove groups 231, the plurality of tooth posts 22a can simultaneously drive the protective cap 22 to rotate, thereby ensuring the stability during rotation and preventing the protective cap 22 from being clamped and stuck due to unbalanced stress during rotation.
An axial limiting structure for preventing the hidden needle cap 21 from being separated from the guide sleeve 23 is arranged between the hidden needle cap 21 and the guide sleeve 23.
A sliding block 21b is protruded on the hidden needle cap 21, and the sliding block 21b is slidably arranged in a guide groove 231a of the card groove group 231; therefore, the hidden needle cap 21 is slidably arranged on the guide sleeve 23, and the compactness of the structure is improved; meanwhile, when the sliding block 21b contacts with the outer end of the guiding groove 231a, the hidden needle cap 21 is prevented from being separated from the guiding sleeve 23 to form an axial limiting structure.
The guide sleeve 23 is sleeved outside the needle hiding cap 21, the outer end of the protective cap 22 is inserted into the needle hiding cap 21, the inner end of the protective cap 22 is inserted into the guide sleeve 23, the clamping groove group 231 is located on the inner ring wall of the guide sleeve 23, and the tooth post 22a is located at the inner end of the outer peripheral surface of the protective cap 22.
The injection needle 1 comprises a needle seat 11 and a needle tube 12 fixed in the needle seat 11, one end of the elastic element 24 is pressed against the protective cap 22, the other end is pressed against the needle seat 11, and the elastic element 24 can be a spring.
The two ends of the injection needle 1 are respectively a needle head end and a needle tail end, the needle head end is used for penetrating into a human body for injection, and the needle tail end is used for connecting an injector;
the hidden needle device 2 of the hidden self-destruction needle in this embodiment has one and is located at the needle end of the injection needle 1, i.e. the needle end of the injection needle 1 is located in the protective cap 22 of the hidden needle device 2; the working principle of the present invention will be described below by taking the hidden needle device 2 as an example when it is mounted on the needle end of the injection needle head 1:
before injection, as shown in fig. 8, the injection needle 1 is located in the protective cap 22, and the tooth posts 22a of the protective cap 22 are located in the guide grooves 231a of the bayonet group 231;
when the injection needle 1 penetrates into a human body, the hidden self-destruction needle approaches to the human body along with the injector, the hidden needle cap 21 at the needle end of the injection needle 1 abuts against the skin of the patient, the hidden needle cap 21 generates inward axial displacement relative to the guide sleeve 23, the elastic element 24 is correspondingly compressed, and due to the action of the guide groove 231a, the tooth post 22a initially moves along the guide groove 231a, namely, the hidden needle cap 21 and the protective cap 22 axially displace inward together, but the protective cap 22 does not rotate, and the needle end of the injection needle 1 is gradually exposed, as shown in fig. 9, when the tooth post 22a reaches the position where the guide groove 231a is communicated with the locking groove 231c, the circumferential blocking of the guide groove 231a is lost, and in addition, the characteristic that the hidden needle cap 21 can only axially move is realized, the first inclined surface 22a1 at the outer end part of the tooth post 22a and the second inclined surface 21a at the inner end part of the hidden needle cap 21 cooperate to form a first inclined, the protective cap 22 is rotated from the guiding groove 231a to the locking groove 231c, the projection of the first inclined surface 22a1 of the tooth post 22a is overlapped with the projection of the third inclined surface 231b1 of the partition 231b in the plane perpendicular to the axis of the protective cap 22, and finally, the injection needle 1 is inserted into the human body for injection;
after injection, as shown in fig. 10, the needle hiding cap 21 loses obstruction of human body, the protecting cap 22 moves axially outwards under the action of the elastic element 24, at this time, the first inclined surface 22a1 of the tooth post 22a contacts with the third inclined surface 231b1 of the partition 231b to form the second inclined surface matching structure, when the protecting cap 22 moves axially outwards, only the tooth post 22a rotates with the protecting cap 22 because the guiding sleeve 23 is fixed, the tooth post 22a rotates gradually into the locking groove 231c, as the protecting cap 22 continues to move axially outwards, the first inclined surface 22a1 of the tooth post 22a in the locking groove 231c contacts with the second inclined surface 21a at the inner end of the needle hiding cap 21 to form the first inclined surface matching structure, under the action of the first inclined surface matching structure, the tooth post 22a on the protecting cap 22 rotates towards the direction of the step surface 231c1 in the locking groove 231c, so that the protecting cap 22 rotates from the guiding groove 231a towards the locking groove 231c, until the inner ends of the teeth 22a are opposite to the step surfaces 231c1, the protective cap 22 is locked, as shown in fig. 11, when the needle hiding cap 21 is pressed inward again, the step surfaces 231c1 in the locking groove 231c will block the teeth 22a of the protective cap 22, and prevent the needle end of the injection needle 1 from being re-exposed out of the protective cap 22, thereby realizing the automatic hiding and self-destruction functions.
Example 2
Example 2 differs from example 1 in that: the hidden self-destruction needle has one hidden needle device 2 located at the needle tail end of the injection needle 1, i.e. the needle tail end of the injection needle 1 is located in the protective cap 22 of the hidden needle device 2; when the injection needle 1 is connected with the injector, the protective cap 22 at the needle tail end of the injection needle 1 is pushed inwards by the injector, and the hiding and self-destruction principle is the same as that of the embodiment 1, except that the protective cap 22 in the embodiment 1 realizes the axial inward displacement of the protective cap 22 when the protective cap is pressed against the human body, and the protective cap 22 in the embodiment realizes the axial inward displacement of the protective cap 22 when the protective cap is connected with the injector.
Example 3
Example 3 differs from example 1 in that: the number of the needle hiding devices 2 is two, and the two needle hiding devices 2 are respectively positioned at two ends of the injection needle head 1; the needle hider comprises a shell 3, and guide sleeves 23 and an injection needle 1 in two needle hider devices 2 are fixed in the shell 3; both ends of the injection needle head 1 are hidden, the safety of use is improved, and a better self-destruction effect is achieved.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (12)
1. A hidden self-destruction syringe needle is characterized in that: the needle hiding device (2) comprises a needle hiding cap (21), a protective cap (22), a guide sleeve (23) and an elastic element (24), wherein the guide sleeve (23) is fixed on the needle hiding cap (1), the protective cap (22) is movably arranged on the guide sleeve (23), the needle hiding cap (21) is slidably arranged on the protective cap (22), and one end of the needle hiding cap (1) is positioned in the protective cap (22); the guide sleeve (23) is provided with a clamping groove group (231), the clamping groove group (231) comprises a guide groove (231a) and a locking groove (231c) of which the inner ends are communicated with each other, a separation part (231b) is formed between the guide groove (231a) and the locking groove (231c), the protective cap (22) is provided with a tooth column (22a), and the tooth column (22a) is positioned in the guide groove (231 a);
the outer end of the tooth column (22a) is in contact with the inner end of the needle hiding cap (21) to form a first inclined plane matching structure, the outer end of the tooth column (22a) is in contact with the inner end of the separating part (231b) to form a second inclined plane matching structure, the first inclined plane matching structure and the second inclined plane matching structure are both used for enabling the protective cap (22) to rotate along the same direction while axially displacing, the elastic element (24) is used for enabling the protective cap (22) to axially displace outwards after moving inwards, and the locking groove (231c) is used for blocking the tooth column (22a) in the locking groove to cause the protective cap (22) to be incapable of axially displacing inwards.
2. The concealed self-destructing needle according to claim 1, characterized in that: the outer end of the tooth column (22a) is provided with a first inclined surface (22a1), the inner end of the needle hiding cap (21) is distributed with a plurality of second inclined surfaces (21a) matched with the first inclined surfaces (22a1) at intervals, and the first inclined surfaces (22a1) and the second inclined surfaces (21a) form a first inclined surface matching structure when contacting with each other.
3. The concealed self-destructing needle according to claim 1, characterized in that: the inner end of the partition (231b) is provided with a third inclined surface (231b1) matched with the first inclined surface (22a1), and a second inclined surface matching structure is formed when the third inclined surface (231b1) and the first inclined surface (22a1) are contacted with each other.
4. The concealed self-destructing needle according to claim 1, characterized in that: the locking groove (231c) is internally provided with a step surface (231c1) for blocking the tooth column (22a), and the step surface (231c1) in the same clamping groove group (231) is positioned on the side, far away from the guide groove (231a), in the locking groove (231 c).
5. The concealed self-destructing needle according to claim 1, characterized in that: the clamping groove group (231) is provided with a plurality of tooth posts (22a) which are distributed on the guide sleeve (23) at intervals along the circumferential direction of the guide sleeve (23), the tooth posts (22a) are distributed on the protective cap (22) at intervals along the circumferential direction of the protective cap (22), the tooth posts (22a) correspond to the guide sleeve (23) in a one-to-one mode, and the tooth posts (22a) are located in the guide grooves (231a) of the clamping groove group (231) corresponding to the tooth posts.
6. The concealed self-destructing needle according to claim 1, characterized in that: an axial limiting structure for preventing the hidden needle cap (21) from being separated from the guide sleeve (23) is arranged between the hidden needle cap (21) and the guide sleeve (23).
7. The concealed self-destructing needle according to claim 6, wherein: a sliding block (21b) is protruded on the hidden needle cap (21), and the sliding block (21b) is arranged in a guide groove (231a) of the card groove group (231) in a sliding mode.
8. The concealed self-destructing needle according to claim 1, characterized in that: the guide sleeve (23) is sleeved outside the needle hiding cap (21), the outer end of the protective cap (22) is inserted into the needle hiding cap (21), the inner end of the protective cap (22) is inserted into the guide sleeve (23), the clamping groove group (231) is located on the inner ring wall of the guide sleeve (23), and the tooth column (22a) is located at the inner end of the outer peripheral surface of the protective cap (22).
9. The concealed self-destructing needle according to claim 1, characterized in that: the injection needle (1) comprises a needle seat (11) and a needle tube (12) fixed in the needle seat (11), one end of the elastic element (24) props against the protective cap (22), and the other end props against the needle seat (11).
10. The concealed self-destructing needle according to claim 1, characterized in that: the elastic element (24) is a spring.
11. The concealed self-destructing needle according to claim 1, characterized in that: the number of the needle hiding devices (2) is two, and the two needle hiding devices (2) are respectively positioned at two ends of the injection needle head (1).
12. The concealed self-destructing needle according to claim 10, wherein: the needle hider also comprises a shell (3), and guide sleeves (23) and an injection needle head (1) in the two needle hider devices (2) are fixed in the shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330820.7A CN113082390B (en) | 2021-03-26 | 2021-03-26 | Concealed self-destroying needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330820.7A CN113082390B (en) | 2021-03-26 | 2021-03-26 | Concealed self-destroying needle |
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| Publication Number | Publication Date |
|---|---|
| CN113082390A true CN113082390A (en) | 2021-07-09 |
| CN113082390B CN113082390B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110330820.7A Active CN113082390B (en) | 2021-03-26 | 2021-03-26 | Concealed self-destroying needle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023001260A1 (en) * | 2021-07-23 | 2023-01-26 | 贝普医疗科技股份有限公司 | Safety anti-needling self-destruction injection needle |
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| CN107823761A (en) * | 2017-12-08 | 2018-03-23 | 宁波美生医疗器材有限公司 | A kind of new type of safe novopen, which is matched somebody with somebody, applies mechanically pin |
| CN110141733A (en) * | 2019-05-10 | 2019-08-20 | 山东连发医用塑胶制品有限公司 | A kind of safe injection of insulin syringe needle |
| CN110548202A (en) * | 2019-08-20 | 2019-12-10 | 山东连发医用塑胶制品有限公司 | Safe adjustable insulin syringe needle |
| CN211068474U (en) * | 2019-09-29 | 2020-07-24 | 江苏德尔福医疗器械有限公司 | Injection device with hidden needle function |
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2021
- 2021-03-26 CN CN202110330820.7A patent/CN113082390B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823761A (en) * | 2017-12-08 | 2018-03-23 | 宁波美生医疗器材有限公司 | A kind of new type of safe novopen, which is matched somebody with somebody, applies mechanically pin |
| CN110141733A (en) * | 2019-05-10 | 2019-08-20 | 山东连发医用塑胶制品有限公司 | A kind of safe injection of insulin syringe needle |
| CN110548202A (en) * | 2019-08-20 | 2019-12-10 | 山东连发医用塑胶制品有限公司 | Safe adjustable insulin syringe needle |
| CN211068474U (en) * | 2019-09-29 | 2020-07-24 | 江苏德尔福医疗器械有限公司 | Injection device with hidden needle function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023001260A1 (en) * | 2021-07-23 | 2023-01-26 | 贝普医疗科技股份有限公司 | Safety anti-needling self-destruction injection needle |
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| Publication number | Publication date |
|---|---|
| CN113082390B (en) | 2023-10-03 |
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