CN220714520U - Disposable hypodermic assembly - Google Patents
Disposable hypodermic assembly Download PDFInfo
- Publication number
- CN220714520U CN220714520U CN202321728094.5U CN202321728094U CN220714520U CN 220714520 U CN220714520 U CN 220714520U CN 202321728094 U CN202321728094 U CN 202321728094U CN 220714520 U CN220714520 U CN 220714520U
- Authority
- CN
- China
- Prior art keywords
- needle tube
- disc body
- subcutaneous injection
- flexible disc
- tube
- 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.)
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Links
- 238000010254 subcutaneous injection Methods 0.000 claims abstract description 26
- 239000007929 subcutaneous injection Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 229920003023 plastic Polymers 0.000 claims description 14
- 230000035515 penetration Effects 0.000 abstract description 10
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 210000000852 deltoid muscle Anatomy 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000007920 subcutaneous administration Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000009161 Espostoa lanata Nutrition 0.000 description 1
- 240000001624 Espostoa lanata Species 0.000 description 1
- 102000004877 Insulin Human genes 0.000 description 1
- 108090001061 Insulin Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 229940125396 insulin Drugs 0.000 description 1
- 238000010255 intramuscular injection Methods 0.000 description 1
- 239000007927 intramuscular injection Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Abstract
The present utility model provides a disposable subcutaneous injection assembly comprising: the flexible disc body is provided with a through hole for receiving the flexible disc body, and the flexible disc body can be bent; the needle tube part comprises a connecting needle tube and a liquid draining needle tube, the liquid draining needle tube penetrates through the receiving through hole, the upper end of the liquid draining needle tube is connected with one end of the connecting needle tube, and the outer side surface of the connecting needle tube is fixedly connected with the top surface of the flexible disc body; the central axis of the connecting needle tube is perpendicular to the central axis of the liquid discharge needle tube; and the other end of the connecting needle tube is connected with the injector. The utility model is a disposable subcutaneous injection assembly that is convenient to use and that can allow different operators to maintain the same penetration depth.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a disposable subcutaneous injection assembly.
Background
The clinically usual injection modes include intradermal injection, subcutaneous injection, intramuscular injection, intravenous drip and the like. Subcutaneous injection refers to the injection of a medicinal liquid in subcutaneous tissue, and is commonly used for injection inoculation or insulin injection, such as the lower margin of the deltoid muscle of the upper arm, the abdomen, the inner thigh, etc. Taking the injection of the lower edge of the deltoid muscle of the upper arm as an example, the subcutaneous injection method of the lower edge of the deltoid muscle of the upper arm comprises the following steps: firstly, skin is disinfected conventionally, then, the syringe which sucks the liquid medicine forms an angle of 30-40 degrees with the skin, the syringe is penetrated quickly, 1/3-1/2 of the needle stem is penetrated, and the liquid medicine is injected slowly after no blood return is performed. When the needle is pulled out, the cotton ball covers the needle hole, and the needle head is pulled out rapidly. This causes a problem that the wrong operation of the subcutaneous injection is liable to occur because the depth of the needle penetration varies for each operator to perform the subcutaneous injection. How to design an injection needle structure which is convenient to use and can enable different operators to keep the same needle penetration depth is a problem which needs to be solved by the person skilled in the art.
Disclosure of Invention
In view of the above-described shortcomings of the prior art, the present utility model solves the technical problem of providing a disposable subcutaneous injection assembly that is convenient to use and that enables different operators to maintain the same penetration depth.
To achieve the above and other related objects, the present utility model provides a disposable subcutaneous injection assembly comprising:
the flexible disc body is provided with a through hole for receiving the flexible disc body, and the flexible disc body can be bent; the axial direction of the receiving through hole is perpendicular to the top surface of the flexible disc body;
the needle tube part comprises a connecting needle tube and a liquid draining needle tube, the liquid draining needle tube penetrates through the receiving through hole, the upper end of the liquid draining needle tube is connected with one end of the connecting needle tube, and the outer side surface of the connecting needle tube is fixedly connected with the top surface of the flexible disc body; the central axis of the connecting needle tube is perpendicular to the central axis of the liquid discharge needle tube;
and the other end of the connecting needle tube is connected with the injector.
Preferably, the distance between the lower end of the liquid draining needle tube and the bottom surface of the flexible disc body is 4mm.
Preferably, the flexible disk body is made of transparent plastic.
Preferably, the other end of the connecting needle tube is connected with the injector through a plastic tube.
Preferably, the other end of the connecting needle tube is clamped into the first end of the plastic tube, and the lower end of the injector is clamped into the second end of the plastic tube.
As described above, the disposable subcutaneous injection assembly of the present utility model has the following beneficial effects: when the disposable hypodermic injection assembly is used, the liquid medicine in the syringe can be driven into the needle tube part to bend the flexible disc body, when the infusion needle tube inclines for a preset angle relative to the surface of the skin, the subcutaneous penetration distance of the connecting needle tube is fixed when the flexible disc body is contacted with the surface of the skin, so that different operators can keep the same penetration depth, and the occurrence of misoperation of hypodermic injection is avoided; the utility model is a disposable subcutaneous injection assembly which is convenient to use and can enable different operators to maintain the same penetration depth.
Drawings
Fig. 1 shows a schematic structural view of a disposable subcutaneous injection assembly according to this embodiment.
Fig. 2 shows a schematic side view of the connection of the needle cannula member and flexible disc of the disposable subcutaneous injection assembly of this embodiment.
Fig. 3 is a schematic perspective view showing the connection of the needle tube member of the disposable hypodermic assembly of the present embodiment to the flexible disk.
Fig. 4 shows a schematic perspective view of the flexible disc body of the disposable subcutaneous injection assembly of the present embodiment.
Fig. 5 shows a schematic view of the structure of the flexible disc body of the disposable subcutaneous injection assembly according to this embodiment in a bent state, with the flexible disc body in contact with the skin surface.
The drawings illustrate the disclosure of the present utility model for those skilled in the art to understand and read, and are not intended to limit the applicable scope of the present utility model, and any structural modification, proportional change or size adjustment should fall within the scope of the disclosure without affecting the efficacy and achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Detailed Description
As shown in fig. 1 to 5, the disposable subcutaneous injection assembly of the present embodiment includes:
a flexible disk body 100, wherein a through receiving hole 110 is formed in the top surface of the flexible disk body 100, and the flexible disk body 100 is bendable; the axial direction of the receiving through hole 110 is perpendicular to the top surface of the flexible disk body 100;
needle tube member 200, including connecting needle tube 210 and draining needle tube 220, said draining needle tube 220 passes through said through hole 110, the upper end of said draining needle tube 220 is connected with one end of said connecting needle tube 210, the lateral surface of said connecting needle tube 210 is fixedly connected with top surface of said flexible disk 100; the central axis of the connecting needle tube 210 is perpendicular to the central axis of the liquid discharge needle tube 220; the lower end of drain needle tube 220 has a needle;
syringe 300, the other end of said connecting needle 210 is connected to said syringe 300.
When the disposable hypodermic syringe assembly is used, the medical fluid in syringe 300 can be driven into needle cannula member 200, and the medical fluid flows through connecting needle cannula 210 and draining needle cannula 220 in sequence; the bottom surface of the flexible disc body 100 is pinched by two hands, the flexible disc body 100 is bent, the liquid discharge needle tube 220 is inclined by a preset angle relative to the skin surface 10, and the subcutaneous penetration distance of the liquid discharge needle tube 220 is fixed, so that different operators keep the same penetration depth, and the occurrence of misoperation of subcutaneous injection is avoided. The utility model is a disposable subcutaneous injection assembly which is convenient to use and can enable different operators to maintain the same penetration depth.
In this embodiment, the outer side surface of the connecting needle 210 is fixedly connected to the top surface of the flexible disc 100 through a silica gel 500.
The distance between the lower end of the drain needle tube 220 and the bottom surface of the flexible disk body 100 is 4mm. This distance allows drainage needle 220 to penetrate the subcutaneous region at an angle of 30-40 deg. to the skin of drainage needle 220.
The flexible disk 100 is made of transparent plastic. The material of the flexible disk 100 facilitates bending of the flexible disk 100. Transparent plastic material, convenient observation needle inlet and operation. The flexible disk 100 is circular in cross-section. The central axis of the receiving through hole 110 passes through the center of the top surface of the flexible disk 100.
The other end of coupling needle 210 is coupled to syringe 300 via plastic tubing 400 to facilitate the transfer of fluid from syringe 300 to coupling needle 210.
The other end of the connecting needle 210 is engaged with the first end of the plastic tube 400, and the lower end of the syringe 300 is engaged with the second end of the plastic tube 400, so that the connecting needle 210 is connected with the syringe 300 through the plastic tube 400.
The gauge of the needle at the lower end of drainage needle 220 is 27G needle, with minimal pain to the 27G needle.
The disposable hypodermic injection assembly can fix the needle inserting angle and depth, avoid artificial difference and meet the requirements of patients with various body types.
Subcutaneous injections are highly demanding for the operator and are limited to medical sites where there are no conditions. Subcutaneous injections are particularly useful for children, mental abnormalities, or patients who are unable to control themselves due to external factors.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (5)
1. A single use subcutaneous injection assembly, comprising:
a flexible disk body (100), wherein a through hole (110) is arranged on the top surface of the flexible disk body (100), and the flexible disk body (100) can be bent; the axial direction of the receiving through hole (110) is perpendicular to the top surface of the flexible disc body (100); the needle tube part (200) comprises a connecting needle tube (210) and a liquid draining needle tube (220), the liquid draining needle tube (220) penetrates through the receiving through hole (110), the upper end of the liquid draining needle tube (220) is connected with one end of the connecting needle tube (210), and the outer side surface of the connecting needle tube (210) is fixedly connected with the top surface of the flexible disc body (100); the central axis of the connecting needle tube (210) is perpendicular to the central axis of the liquid discharge needle tube (220);
and an injector (300), wherein the other end of the connecting needle tube (210) is connected with the injector (300).
2. The single-use subcutaneous injection assembly according to claim 1, wherein: the distance between the lower end of the liquid draining needle tube (220) and the bottom surface of the flexible disc body (100) is 4mm.
3. The single-use subcutaneous injection assembly according to claim 1, wherein: the flexible disc body (100) is made of transparent plastic.
4. The single-use subcutaneous injection assembly according to claim 1, wherein: the other end of the connecting needle tube (210) is connected with the injector (300) through a plastic tube (400).
5. The single-use subcutaneous injection assembly as in claim 4, wherein: the other end of the connecting needle tube (210) is clamped into the first end of the plastic tube (400), and the lower end of the injector (300) is clamped into the second end of the plastic tube (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321728094.5U CN220714520U (en) | 2023-07-03 | 2023-07-03 | Disposable hypodermic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321728094.5U CN220714520U (en) | 2023-07-03 | 2023-07-03 | Disposable hypodermic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220714520U true CN220714520U (en) | 2024-04-05 |
Family
ID=90497973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321728094.5U Active CN220714520U (en) | 2023-07-03 | 2023-07-03 | Disposable hypodermic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220714520U (en) |
-
2023
- 2023-07-03 CN CN202321728094.5U patent/CN220714520U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |