CN213048737U - Injection depth adjusting assembly of injection needle - Google Patents
Injection depth adjusting assembly of injection needle Download PDFInfo
- Publication number
- CN213048737U CN213048737U CN202020827281.9U CN202020827281U CN213048737U CN 213048737 U CN213048737 U CN 213048737U CN 202020827281 U CN202020827281 U CN 202020827281U CN 213048737 U CN213048737 U CN 213048737U
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- Prior art keywords
- hole
- injection
- needle
- depth adjusting
- adjusting assembly
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Abstract
The utility model discloses an injection depth adjusting part of syringe needle can overlap and establish the injection depth in order to adjust the syringe needle on the syringe needle, include: the fixing piece is formed into a column shape and is provided with a first through hole extending along the axial direction of the fixing piece, and one end of the injection needle penetrates through and extends out of the first through hole; the movable part is provided with a second through hole coaxial with the first through hole, one end of the injection needle penetrates through the second through hole, at least one part of the injection needle extends out of the second through hole, one end of the movable part is connected with the fixed part and can move along the axial direction of the first through hole so as to adjust the length of the one end of the injection needle extending out of the second through hole; the elastic piece is formed into a column shape coaxial with the moving piece and is telescopic along the axial direction, one end of the elastic piece is connected with the other end of the moving piece and is provided with a third through hole coaxial with the second through hole, and one end of the injection needle penetrates through the second through hole and extends into the third through hole. The injection depth adjusting component of the injection needle can not only realize hidden needle injection, but also adjust the injection depth of the injection needle, and has the advantages of simple structure, convenient use and the like.
Description
Technical Field
The utility model belongs to the technical field of medical supplies, especially, relate to an injection depth adjusting part of syringe needle.
Background
In the process of insulin injection and treatment, the medicine is usually injected into a patient body through an injection needle, and particularly for the patient with a small age, the patient is feared due to the fact that the injection needle of the injector is too long, behaviors such as crying and screaming can be generated, normal operation of injection is affected, and the danger of injection is increased. In addition, some injection personnel can not accurately judge the injection depth of the injection needle inserted into the skin due to lack of experience in use, and the medicine injection effect can be influenced to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
In view of this, the utility model provides an injection depth adjusting part of syringe needle can overlap and establish on the syringe needle of syringe in order to adjust the injection depth of syringe needle not only can realize stealthy needle injection, can also improve injection efficiency and injection effect, has advantages such as simple structure, convenient to use.
According to the utility model discloses injection depth adjusting part of syringe needle can overlap and establish on the syringe needle of syringe in order to adjust the injection depth of syringe needle, injection depth adjusting part includes: the fixing piece is formed into a columnar shape and is provided with a first through hole extending along the axial direction of the fixing piece, and one end of the injection needle penetrates through and extends out of the first through hole; the movable piece is provided with a second through hole coaxial with the first through hole, one end of the injection needle penetrates through the second through hole, at least one part of the injection needle extends out of the second through hole, one end of the movable piece is connected with the fixed piece and can move along the axial direction of the first through hole so as to adjust the length of the one end of the injection needle extending out of the second through hole; the elastic piece, the elastic piece form into with the coaxial column of moving part and scalable along its axial, the one end of elastic piece with the other end of moving part links to each other, the elastic piece be equipped with the coaxial third through-hole of second through-hole, the one end of syringe needle passes the second through-hole stretches into in the third through-hole, the length of elastic piece when extending is greater than the syringe needle stretches into the length in the third through-hole, the elastic piece is when compressed, at least partly of one end of syringe needle stretches out the third through-hole.
According to the utility model discloses injection depth adjustment assembly of syringe needle adopts the structure that mounting, moving part and elastic component link to each other, and the length of elastic component when extending is greater than the length that the syringe needle stretched into in the third through-hole, can hide the syringe needle of syringe needle, and the elastic component is when compressed, and the third through-hole can be stretched out to at least some of the one end of syringe needle to can realize hiding the needle injection. In addition, the moving part is connected with the fixing part and can move along the axial direction of the first through hole, so that the length of the second through hole extending out of one end of the adjustable injection needle can be adjusted, the injection depth of the injection needle inserted into the skin of a patient can be adjusted, and the injection depth adjusting assembly of the injection needle has the advantages of being simple in structure, convenient to use and the like.
According to the utility model discloses injection depth adjustment assembly of syringe needle can also have following additional technical characterstic:
according to the utility model discloses an embodiment, the moving part forms the orientation the open column of one end of mounting, the moving part cover is established on the mounting.
According to the utility model discloses an embodiment, the surface of mounting is equipped with the external screw thread, the moving part with mounting threaded connection.
According to an embodiment of the present invention, the fixing member is provided with scale marks extending along an axial direction thereof.
According to an embodiment of the invention, the elastic member is formed as a rubber member.
According to the utility model discloses an embodiment, the other end of moving part is equipped with the installation department, the one end of elastic component with installation department detachably links to each other.
According to the utility model discloses an embodiment, the installation department forms to be established the annular boss of the one end of moving part, a pot head of elastic component is established on the annular boss.
According to an embodiment of the utility model, the one end of mounting is equipped with the fixed part, the fixed part with the syringe or the syringe needle links to each other in order to fix the mounting.
According to an embodiment of the invention, the fixed part and the movable part are respectively formed as a plastic part.
According to the utility model discloses an embodiment, the mounting with the moving part is integrated into one piece respectively.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of an injection depth adjusting assembly of an injection needle according to an embodiment of the present invention with an elastic member in an extended state;
fig. 2 is a schematic view of the elastic member of the injection depth adjusting assembly of the injection needle according to an embodiment of the present invention in a compressed state.
Reference numerals:
an injection depth adjustment assembly 100 for the injection needle;
a fixing member 10; a first through hole 11;
a movable member 20; a second through hole 21;
an elastic member 30; a third through hole 31;
an injection needle 200.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to 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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The injection depth adjusting assembly 100 for an injection needle according to an embodiment of the present invention will be described in detail with reference to the drawings.
As shown in fig. 1 and 2, an injection depth adjusting assembly 100 for a syringe needle according to an embodiment of the present invention can be sleeved on a syringe needle 200 of an injector to adjust an injection depth of the syringe needle 200, and the injection depth adjusting assembly 100 includes a fixing member 10, a movable member 20, and an elastic member 30.
Specifically, the fixed member 10 is formed in a cylindrical shape, the fixed member 10 is provided with a first through hole 11 extending in an axial direction thereof, one end of the injection needle 200 passes through and extends out of the first through hole 11, the movable member 20 is provided with a second through hole 21 coaxial with the first through hole 11, one end of the injection needle 200 passes through the second through hole 21 and at least a portion thereof extends out of the second through hole 21, one end of the movable member 20 is connected to the fixed member 10 and is movable in the axial direction of the first through hole 11 to adjust a length of the one end of the injection needle 200 extending out of the second through hole 21, the elastic member 30 is formed in a cylindrical shape coaxial with the movable member 20 and is stretchable in the axial direction thereof, one end of the elastic member 30 is connected to the other end of the movable member 20, the elastic member 30 is provided with a third through hole 31 coaxial with the second through hole 21, one end of the injection needle 200 extends into the third through hole 31, a length, when the elastic member 30 is compressed, at least a part of one end of the injection needle 200 protrudes through the third through hole 31.
In other words, the injection depth adjusting assembly 100 of the injection needle according to the embodiment of the present invention is mainly composed of the stationary member 10, the movable member 20 and the elastic member 30, and when installing, the stationary member 10 is installed on the injection needle 200, and the movable member 20 is installed on the outer circumference of the stationary member 10. The fixed member 10 is cylindrical and has a first through hole 11 extending along an axial direction thereof, the movable member 20 has a second through hole 21, the second through hole 21 is coaxial with the first through hole 11, and as shown in fig. 1, an upper end of the injection needle 200 can sequentially pass through the first through hole 11 and the second through hole 21 and extend out of the second through hole 21. During the adjustment, the movable element 20 can be moved axially along the second through hole 21, so that the length of the needle extending out of the second through hole 21 can be adjusted. The elastic member 30 may be disposed at an upper end of the movable member 20, a third through hole 31 coaxial with the movable member 20 is disposed on the elastic member 30, and the elastic member 30 may be formed in a cylindrical shape and may be axially retractable. When the injection device is installed, the needle extends into the third through hole 31, when the injection device is not injected, the elastic element 30 is in an extension state, the length of the injection needle 200 extending into the third through hole 31 is smaller than the length of the third through hole 31, namely, the injection needle 200 is positioned in the third through hole 31, when the injection device is injected, the elastic element 30 is in a compression state, and the upper end of the needle can extend out of the third through hole 31 and can extend into the skin of a patient to perform the injection.
Therefore, according to the utility model discloses an injection depth adjusting assembly 100 of syringe needle adopts the structure that mounting 10, moving part 20 and elastic component 30 link to each other, and the length of elastic component 30 when extending is greater than the length that syringe needle 200 stretched into in the third through hole 31, can hide the syringe needle of syringe needle, and elastic component 30 is when being compressed, and the third through hole 31 can be stretched out to at least a part of the one end of syringe needle 200 to can realize hiding the needle injection. In addition, the movable member 20 is connected to the fixed member 10 and can move along the axial direction of the first through hole 11, so that the length of the one end of the injection needle 200 extending out of the second through hole 21 can be adjusted, and the injection depth of the injection needle 200 inserted into the skin of the patient can be adjusted, and the injection depth adjusting assembly 100 of the injection needle has the advantages of simple structure, convenience in use and the like.
According to an embodiment of the present invention, the movable member 20 is formed into a column shape opened toward one end of the fixing member 10, and the movable member 20 is sleeved on the fixing member 10, so as to facilitate the installation of the movable member 20 and the adjustment of the relative position between the movable member 20 and the fixing member 10.
Preferably, the outer surface of the fixed member 10 is provided with external threads, and the movable member 20 is threadedly coupled to the fixed member 10, so that the length of the injection needle 200 extending out of the second through hole 21 can be rapidly adjusted, and thus the injection depth of the injection needle 200 can be adjusted.
Optionally, the fixing member 10 is provided with scale marks extending along the axial direction thereof, so that the position of connection between the fixing member 10 and the movable member 20 can be adjusted, the accuracy of the injection depth is improved, and the injection device has the advantages of convenience and convenience in use, high precision and the like.
According to the utility model discloses an embodiment, elastic component 30 forms to the rubber spare, and the rubber spare has better elasticity, can guarantee patient's skin and its contact position's travelling comfort during the use, has advantages such as convenient to use, health.
In some embodiments of the present invention, the other end of the moving member 20 is provided with an installation portion, and one end of the elastic member 30 is detachably connected to the installation portion, so that the elastic member 30 can be conveniently installed and positioned, and the elastic member 30 can be prevented from sliding in the using process to cause inaccurate injection depth.
Alternatively, the mounting portion is formed as an annular boss provided at one end of the movable member 20, and one end of the elastic member 30 is fitted over the annular boss, which is convenient to install and use.
According to an embodiment of the present invention, one end of the fixing member 10 is provided with a fixing portion, and the fixing portion is connected to the syringe or the injection needle to fix the fixing member, so that the fixing member 10 is conveniently installed on the injection needle 200.
Alternatively, the stationary member 10 and the movable member 20 are formed as plastic members, respectively, which is widely available and inexpensive, and can reduce the production cost.
Alternatively, the fixed member 10 and the movable member 20 are respectively formed as an integral member, which is convenient for processing.
In summary, according to the injection depth adjusting assembly 100 of the injection needle of the embodiment of the present invention, by adopting the structure in which the fixing member 10, the moving member 20 and the elastic member 30 are connected, the length of the elastic member 30 when being extended is greater than the length of the injection needle 200 extending into the third through hole 31, so that the injection needle 200 can be hidden. When the elastic member 30 is compressed, at least a portion of one end of the injection needle 200 can protrude out of the third through hole 31, so that a needle hiding injection can be realized. In addition, the movable member 20 is connected to the fixed member 10 and is movable along the axial direction of the first through hole 11, so that the length of the one end of the injection needle 200 extending out of the second through hole 21 can be adjusted, and the injection depth of the injection needle 200 inserted into the skin of the patient can be adjusted, and the injection depth adjusting assembly 100 of the injection needle has the advantages of simple structure, convenience in use, and the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An injection depth adjusting assembly of a syringe needle, which can be sleeved on the syringe needle of an injector to adjust the injection depth of the syringe needle, the injection depth adjusting assembly is characterized by comprising:
the fixing piece is formed into a columnar shape and is provided with a first through hole extending along the axial direction of the fixing piece, and one end of the injection needle penetrates through and extends out of the first through hole;
the movable piece is provided with a second through hole coaxial with the first through hole, one end of the injection needle penetrates through the second through hole, at least one part of the injection needle extends out of the second through hole, one end of the movable piece is connected with the fixed piece and can move along the axial direction of the first through hole so as to adjust the length of the one end of the injection needle extending out of the second through hole;
the elastic piece, the elastic piece form into with the coaxial column of moving part and scalable along its axial, the one end of elastic piece with the other end of moving part links to each other, the elastic piece be equipped with the coaxial third through-hole of second through-hole, the one end of syringe needle passes the second through-hole stretches into in the third through-hole, the length of elastic piece when extending is greater than the syringe needle stretches into the length in the third through-hole, the elastic piece is when compressed, at least partly of one end of syringe needle stretches out the third through-hole.
2. The injection depth adjusting assembly for an injection needle according to claim 1, wherein the movable member is formed in a cylindrical shape open toward one end of the fixed member, and the movable member is fitted over the fixed member.
3. The injection depth adjusting assembly for an injection needle according to claim 2, wherein the fixed member has an external thread on an outer surface thereof, and the movable member is threadedly coupled to the fixed member.
4. The injection depth adjusting assembly for an injection needle according to claim 2, wherein the fixing member is provided with graduation marks extending in an axial direction thereof.
5. The injection depth adjusting assembly for an injection needle according to claim 1, wherein the elastic member is formed as a rubber member.
6. The injection depth adjusting assembly for an injection needle according to claim 1, wherein the movable member is provided at the other end thereof with a mounting portion, and one end of the elastic member is detachably connected to the mounting portion.
7. The injection depth adjusting assembly for the injection needle according to claim 6, wherein the mounting portion is formed as an annular projection provided at one end of the movable member, and one end of the elastic member is fitted over the annular projection.
8. The injection depth adjusting assembly for a needle according to claim 1, wherein the fixing member is provided at one end thereof with a fixing portion which is connected to the syringe or the needle to fix the fixing member.
9. The injection depth adjusting assembly for an injection needle according to claim 1, wherein the fixed member and the movable member are each formed as a plastic member.
10. The needle depth adjustment assembly of claim 1, wherein the fixed member and the movable member are each integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020827281.9U CN213048737U (en) | 2020-05-18 | 2020-05-18 | Injection depth adjusting assembly of injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020827281.9U CN213048737U (en) | 2020-05-18 | 2020-05-18 | Injection depth adjusting assembly of injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213048737U true CN213048737U (en) | 2021-04-27 |
Family
ID=75564908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020827281.9U Expired - Fee Related CN213048737U (en) | 2020-05-18 | 2020-05-18 | Injection depth adjusting assembly of injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213048737U (en) |
-
2020
- 2020-05-18 CN CN202020827281.9U patent/CN213048737U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |