CN220833782U - Needle seat core with retractable needle tip - Google Patents
Needle seat core with retractable needle tip Download PDFInfo
- Publication number
- CN220833782U CN220833782U CN202321811310.2U CN202321811310U CN220833782U CN 220833782 U CN220833782 U CN 220833782U CN 202321811310 U CN202321811310 U CN 202321811310U CN 220833782 U CN220833782 U CN 220833782U
- Authority
- CN
- China
- Prior art keywords
- movable plate
- fixed seat
- fixed
- needle
- guide part
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Links
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 210000002445 nipple Anatomy 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 239000003814 drug Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a needle seat core with a retractable needle point, which relates to the technical field of medical equipment and comprises a fixed seat, wherein one end of the fixed seat is provided with an opening for fixing a nipple at the end part of a syringe, the other end of the fixed seat is provided with a truncated cone-shaped guide part, one end of the guide part, which is far away from the fixed seat, is fixedly provided with a protective cylinder, a movable plate capable of sliding along the length direction of the guide part is elastically installed in the fixed seat, the movable plate is detachably fixed with the inner wall of the fixed seat, and one side, which is far away from the opening of the fixed seat, of the movable plate is fixedly provided with a needle point main body penetrating out of the protective cylinder. Specifically, a spring is fixed on the inner wall of the guide part, and the spring is connected with the movable plate. The utility model has reasonable structure, and can drive the needle tip main body to movably shrink through the movable plate, so that the needle tip main body can be retracted into the protective cylinder after being used, thereby avoiding hurting people by the needle tip and improving the use safety of the injector and the needle head thereof.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a needle seat core with a retractable needle point.
Background
At present, the syringe is used as a clinical necessary medical device, when the syringe is used, the needle is required to be fixed on the nipple of the syringe, then the liquid medicine is extracted, and the liquid medicine is sucked into the syringe, so that the liquid medicine in the syringe can be injected into a patient.
But current syringe needle structure is comparatively simple, mainly includes the needle file core that is used for fixed to and be fixed in the needle point on the needle file core, and medical personnel take the syringe and install the syringe needle and carry out medical operation in-process, and the syringe needle on the needle file core is direct exposes in the air, leads to appearing exposing the condition that the needle point stabs medical personnel or patient easily, exists certain security risk.
Therefore, the application provides a needle seat core with a retractable needle point to solve the technical problems.
Disclosure of Invention
The application aims to provide a needle seat core with a retractable needle point, which can drive a needle point main body to movably shrink through a movable plate, so that the needle point main body can be retracted into a protective cylinder after being used, the needle point is prevented from hurting people, and the use safety of an injector and a needle head of the injector is improved.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a needle file core that needle point can retract, includes the fixing base, the one end of fixing base is equipped with the opening that is used for fixed with syringe tip nipple, the other end of fixing base is constructed with the guide part of round platform form, the guide part is kept away from the one end of fixing base is fixed with the protection section of thick bamboo, just elastic mounting has the fly leaf that can follow its length direction and slide in the fixing base, the fly leaf with can dismantle fixedly between the fixing base inner wall, the fly leaf is kept away from fixing base open-ended one side is fixed with wears out the needle point main part of protection section of thick bamboo.
Through the technical scheme, the needle point main body can be driven to movably shrink through the movable plate, so that the needle point main body can be retracted into the protective cylinder after being used, the needle point is prevented from hurting people, and the use safety of the syringe and the needle head of the syringe is improved.
As a further preferable mode, a spring is fixed on the inner wall of the guide part, and the spring is connected with the movable plate.
Through above-mentioned technical scheme, accessible spring comes with fly leaf elastic mounting in the fixing base.
As a further preferable scheme, one side of the movable plate, which is far away from the spring, is fixed with a rubber cushion, the edge of the rubber cushion is abutted to the inner wall of the fixed seat, and the middle part of the rubber cushion is provided with a through hole communicated with the needle point main body.
Through above-mentioned technical scheme, usable cushion improves the sealed effect between fly leaf edge and the fixing base inner wall to this normal suction of assurance syringe is injected the function.
As a further preferable scheme, a card is arranged on the outer side of the fixed seat, and the card is inserted into the fixed seat and is fixedly inserted into the end part of the movable plate.
Through the technical scheme, the card outside the fixing seat can be utilized to fix the initial position of the movable plate.
As a further preferable scheme, a clamping groove is formed in the end portion of the movable plate corresponding to the position of the card, and the clamping groove is in plug-in fit with the card.
Through the technical scheme, the clamping groove can be used for being matched with the card in a plugging manner, so that the movable plate is fixed.
As a further preferable scheme, a limit bump is constructed on the inner wall of the middle part of the fixing seat, and a section from the limit bump to the opening at the end part of the fixing seat is divided into a fixing cavity fixed with the nipple.
Through the technical scheme, the limit lug can be used as a barrier, so that the fixed seat is fully fixed on the injector, and meanwhile, the nipple is not completely inserted into the fixed seat to block the movable space of the movable plate.
As a further preferable scheme, a section from the limit bump to the guide part in the fixing seat is divided into a movable cavity for the movable plate to slide.
Through the technical scheme, after the movable plate loses limit, the movable plate can slide in the fixed seat for a certain distance, so that the needle point main body is driven to retract into the protective cylinder.
The utility model has the beneficial effects that:
(1) The utility model benefits from the cooperation of the fixed seat, the protective cylinder, the movable plate, the spring and the needle tip main body, so that the needle tip main body can shrink in the protective cylinder along with the movement of the movable plate, and the initial position of the movable plate can be fixed by cooperation with the arrangement of the card, so that the needle tip main body can penetrate out of the protective cylinder for normal use at first, and the movable plate can be sprung to the deep inside the movable plate under the action of the spring by pulling the card, so that the needle tip main body is driven to shrink, thereby avoiding hurting people by the needle tip and improving the safety coefficient.
(2) The utility model benefits from the arrangement of the card, and the needle tip main body can be directly retracted by pulling out the card, so that the operation is simple and the use is convenient.
In summary, the movable plate can drive the needle tip main body to movably shrink, so that the needle tip main body can be retracted into the protective cylinder after being used, thereby avoiding injury of the needle tip, and improving the use safety of the syringe and the needle head thereof.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the present utility model in use;
FIG. 3 is a schematic view of the internal structure of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. a fixing seat; 101. a limit bump; 2. a guide section; 3. a protective cylinder; 4. a movable plate; 401. a clamping groove; 5. a spring; 6. a needle tip body; 7. rubber cushion; 8. a card; 9. a syringe; 901. the nipple.
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.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Examples
1-4, A needle point retractable needle seat core comprises a fixed seat 1, wherein one end of the fixed seat 1 is provided with an opening for fixing a nipple 901 at the end part of a syringe 9, the other end of the fixed seat 1 is provided with a guide part 2 in a round table shape, and one end of the guide part 2 far away from the fixed seat 1 is fixedly provided with a protective cylinder 3.
In specific implementation, a section from the limit bump 101 to the end opening of the fixing base 1 is divided into a fixing cavity fixed with the nipple 901, so that the fixing base 1 can be fixed on the nipple 901.
Meanwhile, a limit bump 101 is configured on the inner wall of the middle part of the fixing base 1, and a section from the limit bump 101 to the guiding part 2 in the fixing base 1 is divided into a movable cavity for sliding the movable plate 4. Therefore, the movable plate 4 can perform a certain degree of movement in the fixed seat 1.
And be fixed with spring 5 on the inner wall of guiding portion 2, spring 5 with fly leaf 4 is connected, thereby makes fly leaf 4 elastic mounting in fixing base 1, just fly leaf 4 with can dismantle fixedly between the fixing base 1 inner wall, fly leaf 4 is kept away from fixing base 1 open-ended one side is fixed with wears out the needle point main part 6 of protective cylinder 3. Thus, the movable plate 4 can drive the needle tip main body 6 to retract at the shielding cylinder 3.
Specifically, the fly leaf 4 is kept away from one side of spring 5 is fixed with cushion 7, the edge of cushion 7 with the inner wall butt of fixing base 1 can improve the sealed effect between fly leaf 4 edge and the fixing base 1 inner wall, just the through-hole with needle point main part 6 intercommunication has been seted up at the middle part of cushion 7 to this normal suction of assurance syringe 9, injection function.
In addition, the outside of fixing base 1 is provided with card 8, card 8 inserts in the fixing base 1, just the tip of fly leaf 4 corresponds card 8's position has seted up draw-in groove 401, draw-in groove 401 with card 8 grafting cooperation for fly leaf 4 can be fixed, and keep needle point main part 6 to stretch out outside the protective cylinder 3, for medical personnel normal use.
When the needle seat core with the retractable needle point is used, the opening end of the fixed seat 1 can be fixed on the nipple 901 of the injector 9, at the moment, the card 8 passes through the fixed seat 1 and is inserted into the clamping groove 401 at the end part of the movable plate 4, so that the movable plate 4 compresses the spring 5 in the guide part 2, and the needle point main body 6 fixed on the movable plate 4 can penetrate out of the protective cylinder 3, so that medical staff can conveniently use the needle seat core normally, and therefore, the medical staff can puncture into a patient through the needle point main body 6 and inject medicine in the injector 9.
Subsequently, after the injection is finished, medical staff can directly withdraw the card 8 from the fixed seat 1, so that the movable plate 4 loses the limit of the card 8 and can directly slide towards the deep inside the fixed seat 1 under the action of the elastic force of the spring 5, thereby driving the needle tip main body 6 to shrink back into the protective cylinder 3, avoiding the condition that the needle tip hurts people, and greatly improving the safety factor.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a needle file core that needle point can retract, includes fixing base, its characterized in that: one end of the fixed seat is provided with an opening for fixing a nipple at the end part of the injector, the other end of the fixed seat is provided with a guide part in a round table shape, one end of the guide part far away from the fixed seat is fixedly provided with a protective cylinder, a movable plate capable of sliding along the length direction of the guide part is elastically installed in the fixed seat, the movable plate is detachably fixed with the inner wall of the fixed seat, and one side of the movable plate far away from the opening of the fixed seat is fixedly provided with a needle point main body penetrating out of the protective cylinder; the outside of fixing base is provided with the card, the card inserts in the fixing base to with the tip grafting of fly leaf is fixed.
2. A retractable needle hub according to claim 1, wherein: and a spring is fixed on the inner wall of the guide part and is connected with the movable plate.
3. A retractable needle hub according to claim 2, wherein: the movable plate is far away from one side of spring is fixed with the cushion, the edge of cushion with the inner wall butt of fixing base, just the through-hole with needle point main part intercommunication has been seted up at the middle part of cushion.
4. A retractable needle hub according to claim 1, wherein: the end part of the movable plate is provided with a clamping groove corresponding to the position of the card, and the clamping groove is in plug-in fit with the card.
5. A retractable needle hub according to claim 1, wherein: the inner wall of the middle part of the fixing seat is provided with a limit lug, and a section from the limit lug to the end opening of the fixing seat is divided into a fixing cavity fixed with the nipple.
6. A retractable needle hub according to claim 5, wherein: the section from the limit bump to the guide part in the fixed seat is divided into a movable cavity for the movable plate to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321811310.2U CN220833782U (en) | 2023-07-11 | 2023-07-11 | Needle seat core with retractable needle tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321811310.2U CN220833782U (en) | 2023-07-11 | 2023-07-11 | Needle seat core with retractable needle tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220833782U true CN220833782U (en) | 2024-04-26 |
Family
ID=90742489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321811310.2U Active CN220833782U (en) | 2023-07-11 | 2023-07-11 | Needle seat core with retractable needle tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220833782U (en) |
-
2023
- 2023-07-11 CN CN202321811310.2U patent/CN220833782U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |