Straight needle type infusion apparatus for disposable pump
By designing a straight-needle disposable pump infusion device, the existing auxiliary bouncing device has been solved, and the convenience of patients' self-injection at home is achieved, and the safety and stability of the injection is improved.
Patent Information
- Application Number
- CN202420865635.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-04-24
AI Technical Summary
The existing auxiliary bouncing device is cumbersome to operate, is not convenient, is large in size, and is not portable. It cannot warn the patient after the injection. The injection speed is fast and easy to bleed, causing pain and anxiety to the patient.
A straight needle disposable pump infusion device is designed, including joint cover, hose, puncture needle assembly and other parts, and safe and convenient injection is achieved through the design of straight needles and seals.
The device enables patients to inject themselves at home, improving the safety, accuracy and stability of the injection, and has good practical value.
Smart Images

Figure CN222804566U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an injection pen, in particular to an infusion set for a straight needle type disposable pump. Background Art
[0002] The traditional auxiliary injection devices currently on the market are cumbersome to operate, not very convenient, large in size, and inconvenient to carry; after the injection is completed, the patient is not alerted; the injection speed is too fast, and a small amount of bleeding is likely to occur after the device is pulled out, causing pain and anxiety to the patient. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a straight needle type disposable pump infusion set, which reduces the time for patients to go to the hospital to find medical staff for injection, and enables patients to inject themselves at home.
[0004] The utility model straight needle type disposable pump infusion set is realized by the following technical solutions, including:
[0005] A joint cover, wherein a straight pin is provided at the connection end of the joint cover, and a jacket seal is provided at the rear end of the joint cover;
[0006] A hose, the hose is connected to the straight pin of the joint cover, and a connector is installed at the other end of the hose, and the connector is also provided with a straight pin;
[0007] The puncture needle assembly is connected to the straight needle on the connector.
[0008] As a preferred technical solution, the puncture needle assembly includes a locking cap, a puncture seal, a puncture needle, a needle holder protective cover and a needle holder;
[0009] A medicine liquid conversion cavity is provided at one end of the needle holder protective cover, and a puncture seal is provided at the medicine liquid conversion cavity; a glue storage tank is provided on the needle holder protective cover, and a puncture needle is provided through the glue storage tank; the upper end of the puncture needle is bent and connected to the medicine liquid conversion cavity; the glue storage tank is sealed by glue injection; the straight needle on the connecting head is inserted into the puncture seal, and the puncture seal is fixed to the needle holder protective cover by a locking cap; the needle holder is installed in the cavity below the needle holder protective cover, and the puncture needle passes through the needle holder and is placed below the needle holder.
[0010] As a preferred technical solution, a fixing patch is provided below the needle holder cover, and the puncture needle passes through the fixing patch.
[0011] As a preferred technical solution, locking buttons are elastically connected on both sides of the connector, and a locking buckle is provided at the front end of the locking button; a clamping groove corresponding to the locking buckle is provided on the side of the needle holder cover; the connector and the needle holder cover are fixed by the locking buckle and the clamping groove.
[0012] As a preferred technical solution, a puncture needle protective cover is provided on the puncture needle.
[0013] As a preferred technical solution, an O-ring is provided on the joint cover.
[0014] The beneficial effects of the utility model are:
[0015] The utility model not only facilitates patients to inject themselves at home, but also improves the safety, accuracy and stability of injection, and has good practical value. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0018] Figure 2 It is a schematic diagram of the explosion structure of the utility model;
[0019] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;
[0020] Figure 4 This is a schematic diagram of the connector structure of the utility model.
[0021] Description of reference numerals:
[0022] 1. O-ring; 2. Outer sleeve seal; 3. Connector cover; 4. Hose; 5. Connector; 6. Straight needle; 7. Locking cap; 8. Piercing seal; 9. Piercing needle; 10. Needle holder cover; 11. Needle holder; 12. Fixing sticker; 13. Piercing needle protective cover. DETAILED DESCRIPTION
[0023] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.
[0024] like Figure 1-Figure 2 As shown, the utility model is a straight needle type disposable pump infusion set, comprising:
[0025] A joint cover 3, wherein a straight pin 6 is provided at the connection end of the joint cover 3, and a jacket seal 2 is provided at the rear end of the joint cover 3;
[0026] A hose 4, wherein the hose 4 is connected to the straight pin 6 of the joint cover 3, and a connector 5 is installed at the other end of the hose 4, and a straight pin 6 is also provided on the connector 5;
[0027] The puncture needle assembly is connected to the straight needle 6 on the connector 5.
[0028] like Figure 3 As shown, the puncture needle assembly includes a locking cap 7, a puncture seal 8, a puncture needle 9, a needle holder cover 10 and a needle holder 11;
[0029] A liquid medicine conversion cavity 17 is provided at one end of the needle holder protective cover 10, and a puncture seal 8 is provided at the liquid medicine conversion cavity 17; a glue storage groove 18 is provided on the needle holder protective cover 10, and a puncture needle 9 is provided through the glue storage groove 18; the upper end of the puncture needle 9 is bent and connected to the liquid medicine conversion cavity 17; the glue storage groove 18 is sealed by glue injection; the straight needle 6 on the connecting head 5 is inserted into the puncture seal 8, and the puncture seal 8 is fixed to the needle holder protective cover 10 by the locking cap 7; the needle holder 11 is installed in the cavity below the needle holder protective cover 10, and the puncture needle 9 passes through the needle holder 11 and is placed below the needle holder 11.
[0030] A fixing patch 12 is disposed below the needle holder cover 10 , and the puncture needle 9 is disposed through the fixing patch 12 ; the fixing patch plays a fixing role.
[0031] like Figure 4 As shown, locking buttons 14 are elastically connected to both sides of the connector 5, and a locking buckle 16 is provided at the front end of the locking button 14; a clamping groove 15 corresponding to the locking buckle 16 is provided on the side of the needle holder cover 10; the connector 5 and the needle holder cover 10 are fixed by the locking buckle 16 and the clamping groove 15.
[0032] In addition, a puncture needle protective cover 13 is provided on the puncture needle 9 to protect the puncture needle 9 from external contamination and damage.
[0033] In addition, an O-ring 1 is provided on the joint cover 3 to play a sealing and protective role, thereby ensuring the safety and stability of the injection pen during use.
[0034] The utility model provides a safe and convenient injection tool for medical personnel through the synergistic effect of various parts of the straight needle type disposable pump infusion set, which is suitable for various injection scenarios.
[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.
Claims
1. A straight needle disposable pump infusion set, characterized in that: include: A joint cover (3), wherein a straight pin (6) is disposed at the connection end of the joint cover (3), and a jacket seal (2) is disposed at the rear end of the joint cover (3); A hose (4), the hose (4) being connected to the straight pin (6) of the joint cover (3), and a connector (5) being installed at the other end of the hose (4), and a straight pin (6) being also arranged on the connector (5); A puncture needle assembly is connected to a straight needle (6) on a connector (5).
2. The straight needle disposable pump infusion set according to claim 1, characterized in that: The puncture needle assembly comprises a locking cap (7), a puncture seal (8), a puncture needle (9), a needle holder protective cover (10) and a needle holder (11); A liquid medicine conversion cavity (17) is provided at one end of the needle support cover (10), and a puncture seal (8) is provided at the liquid medicine conversion cavity (17); a glue storage tank (18) is provided on the needle support cover (10), and a puncture needle (9) is provided through the glue storage tank (18); the upper end of the puncture needle (9) is bent and connected to the liquid medicine conversion cavity (17); the glue storage tank (18) is sealed by glue injection; the straight needle (6) on the connector (5) is inserted into the puncture seal (8), and the puncture seal (8) is fixed to the needle support cover (10) by a locking cap (7); the needle support (11) is installed in the cavity below the needle support cover (10), and the puncture needle (9) passes through the needle support (11) and is placed below the needle support (11).
3. The straight needle disposable pump infusion set according to claim 2, characterized in that: A fixing patch (12) is arranged below the needle holder protective cover (10), and the puncture needle (9) is arranged through the fixing patch (12).
4. The straight needle disposable pump infusion set according to claim 1, characterized in that: Both sides of the connector (5) are elastically connected with locking buttons (14), and a locking buckle (16) is provided at the front end of the locking button (14); a clamping groove (15) corresponding to the locking buckle (16) is provided on the side of the needle holder protective cover (10); the connector (5) and the needle holder protective cover (10) are fixed by the locking buckle (16) and the clamping groove (15).
5. The straight needle disposable pump infusion set according to claim 1, characterized in that: The puncture needle (9) is provided with a puncture needle protective cover (13).
6. The straight needle disposable pump infusion set according to claim 1, characterized in that: An O-ring (1) is provided on the joint cover (3).