CN215840929U - Syringe with a needle - Google Patents
Syringe with a needle Download PDFInfo
- Publication number
- CN215840929U CN215840929U CN202121725522.XU CN202121725522U CN215840929U CN 215840929 U CN215840929 U CN 215840929U CN 202121725522 U CN202121725522 U CN 202121725522U CN 215840929 U CN215840929 U CN 215840929U
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- China
- Prior art keywords
- snap ring
- syringe
- handle
- push rod
- medical
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- 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.)
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- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 230000003247 decreasing effect Effects 0.000 claims 2
- 210000003811 finger Anatomy 0.000 description 23
- 239000007788 liquid Substances 0.000 description 16
- 210000003813 thumb Anatomy 0.000 description 8
- 238000000605 extraction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 210000004247 hand Anatomy 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 210000005224 forefinger Anatomy 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 210000004934 left little finger Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present disclosure relates to a syringe. The syringe includes: the injection cylinder is characterized in that a first clamping ring and a second clamping ring are arranged on the outer surface of the injection cylinder, and the inner size of the first clamping ring is different from that of the second clamping ring; the push rod is slidably arranged inside the injection tube, a piston head is arranged at one end of the push rod, a handle is arranged at the other end of the push rod, and a plurality of concave parts are formed on the surface, facing the injection tube, of the handle.
Description
Technical Field
The present disclosure relates to the technical field of medical devices, and more particularly, to an injector.
Background
The injector consists of a syringe with a small hole at the front end and an injection piston core rod matched with the syringe. Syringes primarily use a needle to draw or inject gas or liquid. When the core rod is pulled out, liquid or gas is sucked from the small hole at the front end of the needle cylinder, and when the core rod is pushed in, the liquid or gas is extruded. This process of drawing or injecting gas or liquid with a syringe and needle is called injection.
At present, medical staff need to adopt the syringe to carry out the medicine injection to a large amount of patients every day, and long-term in the past, medical staff can lead to hand cramp, arm fatigue etc. because of the patient is too much, influence medical staff's work and medical quality.
SUMMERY OF THE UTILITY MODEL
It is an object of the present disclosure to provide a syringe.
According to a first aspect of the present disclosure, a syringe is provided. The syringe includes:
the injection cylinder is characterized in that a first clamping ring and a second clamping ring are arranged on the outer surface of the injection cylinder, and the inner size of the first clamping ring is different from that of the second clamping ring;
the push rod is slidably arranged inside the injection tube, a piston head is arranged at one end of the push rod, a handle is arranged at the other end of the push rod, and a plurality of concave parts are formed on the surface, facing the injection tube, of the handle.
Optionally, the first snap ring and the second snap ring are oppositely arranged.
Optionally, the first snap ring is a circular snap ring, the second snap ring is a circular snap ring, and the inner diameter of the first snap ring is different from the inner diameter of the second snap ring.
Optionally, the outer surface of the syringe barrel is provided with scale marks, and the first snap ring and the second snap ring are located on two sides of the scale marks.
Optionally, along the direction in which the scales on the scale marks gradually decrease, the first snap ring is located on the left side of the scale marks, the second snap ring is located on the right side of the scale marks, and the inner size of the first snap ring is larger than the inner size of the second snap ring.
Optionally, along the direction in which the scales on the scale marks gradually decrease, the first snap ring is located on the left side of the scale marks, the second snap ring is located on the right side of the scale marks, and the inner size of the first snap ring is smaller than the inner size of the second snap ring.
Optionally, the middle portion of the handle is connected to the push rod, the handle includes a first portion located on a first side of the middle portion and a second portion located on a second side of the middle portion, two concave portions are formed on a surface of the first portion, and two concave portions are formed on a surface of the second portion.
Optionally, two concave portions are formed on the inner surface of the second portion, the two concave portions include a first concave portion and a second concave portion, the second concave portion is far away from the push rod, and the arc length of the second concave portion is different from that of the first concave portion.
Optionally, the handle is provided with a marking part.
Optionally, the outer surface of the handle is wrapped with a rubber portion.
One technical effect of the present disclosure is that the present disclosure provides an injector, wherein two snap rings with different inner dimensions are disposed on the injector, and when the injector is used, the two snap rings are respectively matched with fingers of medical staff. The syringe is provided with a handle, the surface of the handle is provided with a plurality of concave parts, and the concave parts are matched with four fingers of the other hand of the medical staff. This is disclosed through set up the not same snap ring of depressed part and two internal dimensions on the syringe, and medical personnel realizes the syringe extraction or injects liquid or gas through the cooperation of two hands for medical personnel operate the syringe more laborsaving when extraction or injection. When the medical care personnel operate the syringe disclosed by the invention, the hand of the medical care personnel is not easy to slip off the syringe.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a first schematic structural diagram of the injector of the present disclosure.
Fig. 2 is a schematic structural diagram ii of the syringe of the present disclosure.
Description of reference numerals:
1-syringe, 11-first snap ring, 12-second snap ring, 2-push rod, 21-handle, 211-outer surface of handle, 212 a-second recess, 212 b-first recess, 212 c-third recess, 212 d-fourth recess, 213-first portion, 214-second portion, 22-piston head.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
According to one embodiment of the present disclosure, a syringe is provided. Referring to fig. 1-2, the syringe includes: the syringe 1, the surface of syringe 1 is provided with first snap ring 11 and second snap ring 12, the internal dimension of first snap ring 11 with the internal dimension of second snap ring 12 is different. The push rod 2 is slidably arranged inside the injection cylinder 1, one end of the push rod 2 is provided with a piston head 22, the other end of the push rod 2 is provided with a handle 21, and a plurality of concave parts are formed on the surface of the handle 21 facing the push rod 2.
In other words, the injector mainly comprises a syringe barrel 1 and a push rod 2. The front end of the injection tube 1 is provided with a needle head; the push rod 2 is slidably disposed in the syringe 1. The push rod 2 moves towards the direction far away from the needle head, and the injector realizes the process of extracting liquid or gas; the push rod 2 moves towards the direction close to the needle head, and the injector realizes the process of injecting liquid or gas.
A first snap ring 11 and a second snap ring 12 are provided on the outer surface of the syringe barrel 1. The first snap ring 11 and the second snap ring 12 are respectively matched with fingers of medical staff. During use of the syringe, fingers of one hand of a healthcare worker (e.g., the healthcare worker's index finger and thumb) extend through first snap ring 11 and second snap ring 12, and fingers of the user are positioned within first snap ring 11 and second snap ring 12. When the medical staff operates the syringe of the embodiment, the hand of the medical staff is not easy to slip off the syringe. For example, the syringe 1 has a cylindrical structure, and the first snap ring 11 and the second snap ring 12 are disposed in the circumferential direction of the syringe 1. The shape of the syringe 1 includes, but is not limited to, a cylindrical structure.
In the embodiment, the piston head 22 is arranged at one end of the push rod 2, and the piston head 22 can be made of medical silica gel, so that the overall stability and applicability of the injector are enhanced.
In this embodiment, a handle 21 is provided at the other end of the push rod 2, and the handle 21 is held by the other hand of the medical staff during the use of the syringe. The concave part is formed on the surface of the handle 21 facing the syringe 1, when the handle 21 is held by the hand of the medical staff, the four fingers of the fingers are matched with the concave part, so that the medical staff can conveniently hold the handle 21. For example, the surface of the handle 21 facing the syringe 1 is an undulating surface.
Specifically, fingers of one hand of the medical staff are positioned in the first snap ring 11 and the second snap ring 12, and the other hand of the medical staff holds the handle, so that the push rod 2 is pulled backwards to draw liquid or gas out of the injector, or the push rod 2 is pushed forwards to inject liquid or gas out of the injector. When the injector sucks or extracts liquid or gas, the medical staff can realize the extraction or injection of the liquid or gas by the injector through the cooperation of two hands, so that the labor is saved when the medical staff operates the injector to extract or inject the liquid or gas.
The embodiment provides a syringe, sets up two snap rings that the internal dimension is inequality on the syringe, and when using the syringe, two snap rings respectively with medical personnel's finger phase-match. The syringe is provided with a handle 21, and the surface of the handle 21 is provided with a plurality of concave parts which are matched with four fingers of the other hand of the medical staff. This is disclosed through set up the not same snap ring of depressed part and two internal dimensions on the syringe, and medical personnel realizes the syringe extraction or injects liquid or gas through the cooperation of two hands for medical personnel operate the syringe more laborsaving when extraction or injection. When the medical care personnel operate the syringe disclosed by the invention, the hand of the medical care personnel is not easy to slip off the syringe.
In one embodiment, referring to fig. 1 and 2, the first snap ring 11 and the second snap ring 12 are oppositely disposed.
Specifically, a first snap ring 11 and a second snap ring 12 are fixed on the outer periphery of the syringe barrel 1. The first snap ring 11 and the second snap ring 12 are integrally formed with the syringe barrel 1.
The first snap ring 11 and the second snap ring 12 are disposed opposite to each other. That is, in other words, first and second snap rings 11, 12 are symmetrically positioned about the axis of syringe barrel 1, facilitating the securing of the fingers of a healthcare worker (e.g., the healthcare worker's index finger and thumb) within first and second snap rings 11, 12.
In one embodiment, referring to fig. 1 and 2, the first snap ring 11 is a circular snap ring, the second snap ring 12 is a circular snap ring, and the inner diameter of the first snap ring 11 is different from the inner diameter of the second snap ring 12.
Referring to fig. 1 and 2, the first snap ring 11 is a circular snap ring, and the first snap ring 11 has an inner diameter. The second snap ring 12 is a circular snap ring, and the second snap ring 12 has an inner diameter. The inner diameter is different in size from the inner diameter. For example, the inner diameter of the first snap ring 11 is smaller than the inner diameter of the second snap ring 12. Or the inner diameter of the first clamping ring 11 is larger than that of the second clamping ring 12, the structure of the injector disclosed by the invention conforms to the physiological characteristics of hands, so that medical workers can use the injector more comfortably and conveniently.
The shape of the first snap ring 11 is not limited to a circular snap ring, and the shape of the first snap ring 11 may be an elliptical snap ring, a polygonal snap ring, or the like. The shape of the first snap ring 11 is not limited in this embodiment. The shape of the second snap ring 12 is not limited to a circular snap ring, and the shape of the second snap ring 12 may be an oval snap ring, a polygonal snap ring, or the like. The shape of the second snap ring 12 is not limited in this embodiment.
In one embodiment, the outer surface of the syringe barrel 1 is provided with graduation lines, and the first snap ring 11 and the second snap ring 12 are positioned at two sides of the graduation lines.
Specifically, the outer surface of the syringe 1 is provided with scale marks, so that medical staff can conveniently extract or inject liquid or gas quantitatively.
In one embodiment, referring to fig. 1, along a direction in which the scale on the scale mark gradually decreases, the first snap ring 11 is located on the left side of the scale mark, the second snap ring 12 is located on the right side of the scale mark, and the inner size of the first snap ring 11 is larger than the inner size of the second snap ring 12.
Specifically, referring to fig. 1, the syringe of the present embodiment is suitable for use by left-handed medical personnel. Wherein the first snap ring 11 on the left side has an inner diameter sized to fit the thumb of the medical care provider and the second snap ring 12 on the right side has an inner diameter sized to fit the index finger of the medical care provider. In the process of using the syringe, medical personnel fix a position the thumb of left hand in first snap ring 11, fix a position the forefinger of left hand in second snap ring 12, medical personnel's palm of the hand orientation deviates from the surface that is carved with the scale mark, and medical personnel's right hand is held and is held handle 21, and medical personnel realize the syringe through the cooperation of two hands and extract or inject liquid or gas for medical personnel operate the syringe more laborsaving when extraction or injection.
In one embodiment, referring to fig. 2, in a direction in which the scale on the scale mark gradually decreases, the first snap ring 11 is located on the left side of the scale mark, the second snap ring 12 is located on the right side of the scale mark, and the inner size of the first snap ring 11 is smaller than the inner size of the second snap ring 12.
Specifically, referring to fig. 2, the syringe of the present embodiment is suitable for use by left-handed medical personnel. Wherein the first snap ring 11 on the left side has an inner diameter sized to fit the index finger of the medical professional and the second snap ring 12 on the right side has an inner diameter sized to fit the thumb of the medical professional. In the process of using the syringe, medical personnel fix a position the thumb of right hand in second snap ring 12, fix a position the forefinger of right hand in first snap ring 11, medical personnel's palm of the hand orientation deviates from the surface that is carved with the scale mark, and medical personnel's left hand grips handle 21, and medical personnel realize the syringe through the cooperation of two hands and extract or inject liquid or gas for medical personnel operate the syringe more laborsavingly when extraction or injection.
In one embodiment, referring to fig. 1 and 2, the middle portion of the handle 21 is connected to the push rod 2, the handle 21 includes a first portion 213 located at a first side of the middle portion and a second portion 214 located at a second side of the middle portion, two recesses are formed on a surface of the first portion 213, and two recesses are formed on a surface of the second portion 214.
Further, two concave portions are formed on the inner surface of the second portion 214, the two concave portions include a first concave portion 212b and a second concave portion 212a, the second concave portion 212a is disposed away from the push rod 2, and the arc length of the second concave portion 212a is different from the arc length of the first concave portion 212 b.
In particular, the handle 21 is fixed to the end of the push rod 2 remote from the piston head 22. The handle 21 is integrally formed with the push rod 2. The handle 21 has a configuration conforming to a grasping characteristic of a human hand.
The handle 21 includes a first portion 213 and a second portion 214 that are integrally formed. A third recess 212c and a fourth recess 212d are formed on the surface of the first portion 213 facing the syringe barrel 1 (i.e., the inner surface of the grip 21). A second recess 212a and a first recess 212b are formed on the surface of the second portion 214 facing the syringe barrel 1 (i.e., the inner surface of the grip 21).
Referring to fig. 1, when the medical staff holds the handle 21 with the right hand, the fourth concave portion 212d is configured to fit the structure of the index finger of the right hand, the third concave portion 212c is configured to fit the structure of the middle finger of the right hand, the first concave portion 212b is configured to fit the structure of the ring finger of the right hand, and the second concave portion 212a is configured to fit the structure of the small finger of the right hand.
Referring to fig. 2, when the medical staff holds the handle 21 with his left hand, the fourth depression portion 212d is configured to fit the structure of the left little finger, the third depression portion 212c is configured to fit the structure of the left ring finger, the first depression portion 212b is configured to fit the structure of the left middle finger, and the second depression portion 212a is configured to fit the structure of the left index finger.
The handle 21 of the present disclosure has a shape conforming to a grasping characteristic of a human hand, and can prevent the medical care worker from slipping off the syringe.
Optionally, the surface of the handle 21 facing away from the push rod syringe 1 (i.e. the outer surface 211 of the handle 21) is an arcuate surface, wherein the outer surface 211 of the handle 21 is recessed towards the syringe 1 such that the surface facing away from the syringe 1 is formed with a recess for facilitating the pushing of the push rod 2 by the thumb of a medical professional.
In one embodiment, the handle 21 is provided with a logo.
The syringe of the embodiment is divided into the left-hand syringe and the right-hand syringe, so that different use requirements of medical workers are met, and the hand habits of all the medical workers are really taken care of. This embodiment sets up identification portion on handle 21, and the medical personnel of being convenient for distinguish left-hand type syringe and right-hand type syringe. For example, different shaped and/or different colored logos or the like are provided on the handle 21.
In one embodiment, the outer surface of the handle 21 is covered with rubber. In the embodiment, the outer surface of the handle 21 is wrapped with the rubber part, and the shape of the rubber part is matched with that of the handle 21. Specifically, the inner surface of the rubber portion is disposed in close contact with the outer surface of the handle 21. The embodiment improves the friction force between the hand of the medical staff and the handle 21, so that the medical staff is more comfortable and convenient to use.
In the above embodiments, the differences between the embodiments are described in emphasis, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in consideration of brevity of the text.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (10)
1. A syringe, characterized in that the syringe comprises:
the injection cylinder (1), the outer surface of the injection cylinder (1) is provided with a first snap ring (11) and a second snap ring (12), and the inner size of the first snap ring (11) is different from the inner size of the second snap ring (12);
the injection device comprises a push rod (2), wherein the push rod (2) is slidably arranged in the injection cylinder (1), a piston head (22) is arranged at one end of the push rod (2), a handle (21) is arranged at the other end of the push rod (2), and a plurality of concave parts are formed on the surface, facing the injection cylinder (1), of the handle (21).
2. Syringe according to claim 1, characterized in that said first snap ring (11) and said second snap ring (12) are arranged opposite one another.
3. Syringe according to claim 1, characterized in that the first snap ring (11) is a circular snap ring and the second snap ring (12) is a circular snap ring, the inner diameter of the first snap ring (11) being different from the inner diameter of the second snap ring (12).
4. Syringe according to claim 1, characterized in that the outer surface of the cartridge (1) is provided with graduation marks, the first snap ring (11) and the second snap ring (12) being located on both sides of the graduation marks.
5. The syringe according to claim 4, characterized in that, in the direction of decreasing graduations on the graduation marks, the first snap ring (11) is located on the left side of the graduation marks, the second snap ring (12) is located on the right side of the graduation marks, and the inner dimension of the first snap ring (11) is greater than the inner dimension of the second snap ring (12).
6. The syringe according to claim 4, characterized in that, in the direction of decreasing graduations on the graduation marks, the first snap ring (11) is located on the left side of the graduation marks, the second snap ring (12) is located on the right side of the graduation marks, and the inner dimension of the first snap ring (11) is smaller than the inner dimension of the second snap ring (12).
7. The syringe of claim 1, wherein the handle (21) is connected to the plunger (2) at a central portion thereof, the handle (21) comprising a first portion (213) on a first side of the central portion and a second portion (214) on a second side of the central portion, the first portion (213) having two recesses formed in a surface thereof, the second portion (214) having two recesses formed in a surface thereof.
8. The syringe according to claim 7, characterized in that the inner surface of the second portion (214) is formed with two recesses, comprising a first recess (212b) and a second recess (212a), the second recess (212a) being located away from the plunger (2), the second recess (212a) having an arc length different from the arc length of the first recess (212 b).
9. Syringe according to claim 1, characterized in that the handle (21) is provided with a marking.
10. Syringe according to claim 1, characterized in that the outer surface of the handle (21) is coated with rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121725522.XU CN215840929U (en) | 2021-07-27 | 2021-07-27 | Syringe with a needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121725522.XU CN215840929U (en) | 2021-07-27 | 2021-07-27 | Syringe with a needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215840929U true CN215840929U (en) | 2022-02-18 |
Family
ID=80332034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121725522.XU Active CN215840929U (en) | 2021-07-27 | 2021-07-27 | Syringe with a needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215840929U (en) |
-
2021
- 2021-07-27 CN CN202121725522.XU patent/CN215840929U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 01, 2nd Floor, Building 13, Phase 3.1, Wuhan Optics Valley International Biopharmaceutical Enterprise Accelerator, No. 388 Gaoxin 2nd Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430074 Patentee after: BAIWEI (WUHAN) MEDICAL TECHNOLOGY CO.,LTD. Country or region after: China Address before: 430073 first floor, building B-12, Gaoke medical device Park, No. 818, Gaoxin Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: BAIWEI (WUHAN) MEDICAL TECHNOLOGY CO.,LTD. Country or region before: China |