CN217548172U - Automatic retraction puncture needle - Google Patents
Automatic retraction puncture needle Download PDFInfo
- Publication number
- CN217548172U CN217548172U CN202220312898.6U CN202220312898U CN217548172U CN 217548172 U CN217548172 U CN 217548172U CN 202220312898 U CN202220312898 U CN 202220312898U CN 217548172 U CN217548172 U CN 217548172U
- Authority
- CN
- China
- Prior art keywords
- needle
- needle body
- sleeve
- automatic retraction
- outer lane
- 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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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 5
- 241001330002 Bambuseae Species 0.000 claims abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 5
- 239000011425 bamboo Substances 0.000 claims abstract description 5
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 230000035876 healing Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 206010052428 Wound Diseases 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000005176 Hepatitis C Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000002672 hepatitis B Diseases 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an automatic retraction puncture needle, including needle body and needle sleeve section of thick bamboo, through threaded connection between needle body and the needle sleeve section of thick bamboo, the opening has been seted up to one side of needle sleeve, open-ended opening edge department is provided with the pin, the outer lane of pin rotates and is connected with the card reed, one side that the needle body was kept away from to the needle sleeve is provided with the syringe needle, the outer lane fixedly connected with location step of syringe needle, one side fixedly connected with cover that the needle body was kept away from to the location step is established at the cylinder spring of syringe needle outer lane. The utility model discloses in, possess the automatic function that contracts through this device, reduced medical personnel's the operation degree of difficulty, avoided medical personnel self to be stabbed risk in the operation simultaneously, compared in traditional pjncture needle, the utility model provides a entrance to a cave that the pjncture needle caused is only the needle body size, and the drainage tube is easily fixed, and the later stage healing time of wound is shorter, and the patient's of being convenient for recovery has higher medical and commercial value.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to automatic puncture needle that contracts.
Background
The puncture needle used in the present operation is an integral puncture needle head, when in use, an outer protective sleeve is pulled out, then the skin is punctured according to an operation method, after the puncture needle penetrates out of the skin, a forceps or other tools are used for clamping the puncture needle, so that the puncture needle is pulled out, in the process, a doctor is at risk of being punctured due to slight misoperation, according to the professional exposure guidance of medical staff in hospitals, when patients have diseases such as hepatitis B, HIV, hepatitis C and the like, at the moment, the doctor needs a tracking detection period of 3-12 months due to being punctured, the work and life rhythm of the medical staff is seriously influenced in the period, and even the life safety of the medical staff is seriously threatened under extreme conditions, therefore, the risk of being punctured by surgical instruments needs to be avoided in the operation of the medical staff, and the puncture drainage in the operation is a common medical means.
In combination with the above, because medical personnel usually adopt the method of discarding the puncture needle in the puncture operation in order to avoid the self-puncture risk in the operation, the skin of a patient can be lacerated by a scalpel in the operation process, and then the opening is enlarged by adopting other instruments, the method enlarges the wound, increases the operation difficulty, and simultaneously prolongs the wound healing time, therefore, the automatic retraction puncture needle is provided for solving the problems that the medical personnel need to avoid the self-puncture risk by the surgical instrument and the potential safety hazard exists in the existing puncture needle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic puncture needle that contracts returns to above-mentioned weak point in the solution technology, and the utility model discloses in, possess through this device and return the function of contracting automatically, reduced medical personnel's the operation degree of difficulty, avoided medical personnel self in the operation simultaneously by the risk of stabbing, compare in traditional puncture needle, the utility model provides an entrance to a cave that the puncture needle caused is only the needle body size, and the drainage tube is easily fixed, and the later stage healing time of wound is shorter, and the patient's of being convenient for recovery has higher medical and commercial value.
In order to achieve the above object, the present invention provides the following technical solutions: automatic puncture needle that contracts returns, including needle body and needle sleeve section of thick bamboo, through threaded connection between needle body and the needle sleeve section of thick bamboo, the opening has been seted up to one side of needle sleeve, open-ended opening edge department is provided with the pin, the outer lane of pin is rotated and is connected with the card reed, one side that the needle body was kept away from to the needle sleeve is provided with the syringe needle, the outer lane fixedly connected with location step of syringe needle, one side fixedly connected with cover that the needle body was kept away from to the location step is established at the cylinder spring of syringe needle outer lane, the cylinder spring is kept away from the one end of location step and the telescopic inner chamber lateral wall fixed connection of needle.
As an optimized proposal of the utility model, one side of the positioning step close to the needle body is in close contact with one end of the clamping spring leaf away from the needle body, the front end of the clamping spring leaf clamps the positioning step on the needle head when the product leaves the factory, and under the state, the needle head is supported by the clamping spring leaf and can be directly used for puncture in the operation.
As an optimized proposal of the utility model, the position of the end position of the card reed close to the needle body is higher than the position of the other end of the card reed, when the needle head breaks the skin, the human skin can naturally apply a downward pressure to the protruding part of the card reed, so that the back end of the yellow card sheet is pressed down and the front end is tilted.
As an optimized proposal, the outer ring of one end of the needle body is provided with a screw, the opening part of one end of the needle sleeve barrel close to the needle body is provided with a thread meshed with the screw on the needle body, and the position between the needle sleeve barrel and the needle body adopts a threaded connection mode, thereby facilitating the production.
As a preferred proposal of the utility model, the whole length of the needle head is 2/3 of the length of the inner cavity of the needle sleeve.
As an optimized proposal of the utility model, the cylindrical spring is a 304 stainless steel spring commonly used in the market.
In the technical scheme, the utility model provides a technological effect and advantage:
1. the utility model discloses in, the entrance to a cave that the puncture drainage operation that adopts this device caused only has the needle body size, and the drainage tube is easily fixed, and the later stage healing time of wound is shorter, the patient's of being convenient for recovery.
2. The utility model discloses in, when the skin is worn to the syringe needle, human skin can exert a decurrent pressure for the protruding position of card reed naturally for the rear end of card yellow leaf pushes down, and the front end perk removes the spacing relation of joint to the location step, thereby releases the cylindrical spring under the compression state, and the needle point returns inside the needle sleeve under the spring bounce effect, thereby reaches the automatic function that returns of syringe needle, plays the effect of protection medical personnel.
To sum up, be in the utility model discloses in, possess through this device and return the function of contracting automatically, reduced medical personnel's the operation degree of difficulty, avoided medical personnel self in the operation simultaneously by the risk of stabbing, compare in traditional pjncture needle, the utility model provides an entrance to a cave that the pjncture needle caused is only the needle body size, and the drainage tube is easily fixed, and the later stage healing time of wound is shorter, and the patient's of being convenient for recovery has higher medical and commercial value.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic view of the pop-up structure of the needle head of the automatic retraction puncture needle proposed by the present invention;
FIG. 2 is a schematic view of the retraction structure of the needle head of the automatic retraction puncture needle proposed by the present invention;
fig. 3 is a schematic view of an exploded structure of the automatic retraction puncture needle provided by the utility model;
fig. 4 is a schematic view of a partially enlarged structure of a portion a in fig. 3 of the automatic retraction puncture needle according to the present invention;
description of reference numerals:
1. a needle body; 2. a needle hub; 3. a needle head; 4. an opening; 5. a cylindrical spring; 6. positioning a step; 7. a pin; 8. and (5) clamping the spring plate.
Detailed Description
In order to explain and explain the technical solution and implementation of the present invention more clearly, several preferred embodiments for implementing the technical solution of the present invention are introduced below.
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. While the various publications, patents and published patent specifications cited herein, the disclosures of which are incorporated herein by reference in their entirety, may be referred to in the specification in an exaggerated manner to illustrate details or structures related to the embodiments of the present disclosure, it being understood that the illustrated embodiments are only some of the examples of the present disclosure and that the claims are to be considered illustrative and not restrictive.
In the description of the present invention, unless explicitly specified or limited otherwise, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected" and "fixed" are used broadly, and for example, "connected" may be a fixed connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
Example one
Referring to the attached drawings 1-4 of the specification, the automatic retraction puncture needle comprises a needle body 1 and a needle sleeve 2, the needle body 1 is connected with the needle sleeve 2 through threads, the position between the needle sleeve 2 and the needle body 1 is in threaded connection, the production is convenient, an opening 4 is formed in one side of the needle sleeve 2, a pin 7 is arranged at the opening edge of the opening 4, the outer ring of the pin 7 is rotatably connected with a clamping spring piece 8, when the needle 3 penetrates through skin, the human skin can naturally apply downward pressure to the protruding position of the clamping spring piece 8, so that the rear end of the clamping spring piece 8 is pressed downwards, the front end is tilted, one side of the needle sleeve 2, which is far away from the needle body 1, is provided with a needle head 3, the outer ring of the needle head 3 is fixedly connected with a positioning step 6, when a product leaves a factory, the front end of the clamping spring piece 8 is clamped at the positioning step 6 on the needle head 3, in this state, the needle head 3 can be directly used for puncture in an operation under the support of the clamping spring 8, one side, the positioning step 6, which is far away from the needle body 1, is fixedly connected with a cylindrical spring 5, which is sleeved on the outer ring of the cylindrical spring, and one end of the cylindrical side wall of the cylindrical spring 5, which is fixedly connected with the inner cavity of the needle sleeve 2.
Example two
On the basis of the first embodiment, referring to the attached drawings of the specification 1-4, the automatic retraction puncture needle comprises a positioning step 6, wherein one side of the positioning step 6, which is close to a needle body 1, is in close contact with one end, which is far away from the needle body 1, of a clamping reed 8, the position, which is close to the needle body 1, of the clamping reed 8 is higher than the position, which is far away from the other end of the clamping reed 8, a screw is arranged on the outer ring of one end of the needle body 1, a thread which is meshed with the screw on the needle body 1 is arranged at an opening, which is close to the needle body 1, of one end of a needle sleeve 2, the whole length of a needle head is 2/3 of the length of an inner cavity of the needle sleeve 2, and a 304 stainless steel spring commonly used in the market is selected for use as a cylindrical spring 5.
The present invention also provides the following detailed description, with reference to the accompanying drawings 1-4:
before the product is not used, one end of the clamping spring piece 8 is clamped with the side edge of the positioning step 6 through the positioning step 6 arranged in the needle sleeve 2, the needle head 3 is exposed and leaked outside in the state and can be directly used for puncture in an operation, when the needle head 3 penetrates through the skin to reach the protruding part of the clamping spring piece 8, the skin of a human body can naturally apply downward pressure to the protruding part of the clamping spring piece 8, the clamping spring piece 8 does circular motion by taking the pin 7 as a base point under the lever principle, the front end part of the clamping spring piece 8 leaves the positioning step 6 at the moment and is released from the contact clamping relation with the positioning step 6, so that the cylindrical spring 5 sleeved on the outer ring of the needle head 3 in a compression state is released, the needle head 3 retracts into the inner part of the needle sleeve 2 under the action of the rebound force generated by the release of the elastic potential energy of the cylindrical spring 5, and the automatic retraction function of the needle head is achieved, and the effect of protecting medical staff is achieved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. Automatic retraction puncture needle, including needle body (1) and needle sleeve section of thick bamboo (2), its characterized in that: through threaded connection between needle body (1) and needle sleeve (2), opening (4) have been seted up to one side of needle sleeve (2), the opening edge department of opening (4) is provided with pin (7), the outer lane of pin (7) is rotated and is connected with card reed (8), one side that needle body (1) were kept away from in needle sleeve (2) is provided with syringe needle (3), the outer lane fixedly connected with location step (6) of syringe needle (3), one side fixedly connected with cover that needle body (1) was kept away from in location step (6) is established cylinder spring (5) at syringe needle (3) outer lane, the one end that location step (6) were kept away from in cylinder spring (5) and the inner chamber lateral wall fixed connection of needle sleeve (2).
2. The automatic retraction needle according to claim 1, wherein: one side of the positioning step (6) close to the needle body (1) is in close contact with one end of the clamping spring piece (8) far away from the needle body (1).
3. The automatic retraction needle according to claim 1, wherein: the position of one end of the clamping spring piece (8) close to the needle body (1) is higher than the position of the other end of the clamping spring piece (8).
4. The automatic retraction needle according to claim 1, wherein: the needle is characterized in that a screw is arranged on the outer ring of one end of the needle body (1), and threads meshed with the screw on the needle body (1) are arranged at the position, close to the needle body (1), of one end of the needle sleeve (2).
5. The automatic retraction needle according to claim 1, wherein: the length of the whole needle head (3) is 2/3 of the length of the inner cavity of the needle sleeve (2).
6. The automatic retraction needle according to claim 1, wherein: the cylindrical spring (5) is a 304 stainless steel spring commonly used in the market.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220312898.6U CN217548172U (en) | 2022-02-16 | 2022-02-16 | Automatic retraction puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220312898.6U CN217548172U (en) | 2022-02-16 | 2022-02-16 | Automatic retraction puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217548172U true CN217548172U (en) | 2022-10-11 |
Family
ID=83468092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220312898.6U Expired - Fee Related CN217548172U (en) | 2022-02-16 | 2022-02-16 | Automatic retraction puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217548172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481763A (en) * | 2023-12-22 | 2024-02-02 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
-
2022
- 2022-02-16 CN CN202220312898.6U patent/CN217548172U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481763A (en) * | 2023-12-22 | 2024-02-02 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
| CN117481763B (en) * | 2023-12-22 | 2024-04-30 | 中国人民解放军总医院第一医学中心 | Nasal mucosa puncture positioning device for stem cell transnasal transplantation |
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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 |
Granted publication date: 20221011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |