Soft needle type infusion apparatus for disposable pump
By designing a soft-needle disposable pump infusion device, the existing auxiliary injection device is solved, the convenience of needle replacement and the possibility of self-injection of patients is achieved, and the risk of bleeding and pain are reduced.
Patent Information
- Application Number
- CN202420865627.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-04-24
AI Technical Summary
The existing auxiliary injection devices are cumbersome to operate, not very convenient, large in size, and are not portable. There is no warning after the injection. The injection speed is fast and easy to bleed, causing pain and anxiety to the patient.
A soft-needle disposable pump infusion device is designed, including a connector cover, a soft-needle assembly and a hose. The needle replacement is achieved through the separation button, and the locking button is designed to facilitate the replacement of the soft-needle assembly.
The convenience of needle replacement is achieved, reducing inconvenience during use, allowing patients to inject themselves at home, reducing the risk of bleeding and reducing pain and anxiety.
Smart Images

Figure CN222752373U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an auxiliary injection pen, in particular to an infusion set for a soft 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 soft needle type disposable pump infusion set to solve the problems existing in the background technology.
[0004] The utility model of the soft 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 soft needle assembly, wherein the soft needle assembly is connected to a connecting protective cap, and the connecting protective cap and the soft needle assembly can be separated by a separation button;
[0007] A hose is connected to the straight needle of the connector cover, and the other end of the hose is connected to the soft needle assembly through a connecting structure.
[0008] As a preferred technical solution, the soft needle assembly includes a soft needle seal, a trumpet funnel and a needle seat assembly;
[0009] The horn funnel is arranged above the needle seat assembly, and the soft needle seal covers the top of the horn funnel; a needle seat cover cap is arranged on the soft needle seal, and the needle seat cover cap is connected to the needle seat assembly; a soft needle tube is installed below the needle seat assembly, and the soft needle tube is connected to the lower end of the horn funnel, and the hose is connected to the upper end of the horn funnel.
[0010] As a preferred technical solution, the connection structure includes a connection cap and a separation button;
[0011] The connecting protective cap is connected to the other end of the hose, and locking buckles are provided on both sides of the connecting protective cap, and the locking ends of the locking buckles are placed on the inner side of the connecting protective cap;
[0012] The separation button is provided with a fixing hole, and the locking buckle is provided with a fixing block corresponding to the fixing hole, and the fixing block guide is provided on the fixing hole;
[0013] The separation button is arranged above the needle seat assembly, and a locking position is arranged on the inner side of the separation button, and the locking position corresponds to the locking end position of the locking buckle, thereby realizing the connection between the connecting cap and the separation button.
[0014] As a preferred technical solution, a fixing sticker is provided below the needle seat assembly, and the soft needle tube passes through the fixing sticker.
[0015] As a preferred technical solution, a soft needle sheath is provided on the soft needle tube.
[0016] As a preferred technical solution, an O-ring is provided on the joint cover.
[0017] The beneficial effects of the utility model are:
[0018] 1. The utility model is easy to replace the needle: by setting a separation button, the connection cap and the soft needle assembly can be easily separated, thereby realizing the replacement of the needle and reducing the inconvenience during use.
[0019] 2. The utility model presses the locking buckle to disengage the locking position from the locking end of the locking buckle, and then presses down the connecting protective cap to achieve the connection between the connecting protective cap and the separation button, which is convenient for replacing the soft needle assembly.
[0020] 3. The utility model reduces the need for patients to go to the hospital to find medical staff for injection, so that patients can inject themselves at home. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] 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.
[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0023] Figure 2 It is a schematic diagram of the explosion structure of the utility model;
[0024] Figure 3 It is a schematic diagram of the connection structure of the utility model.
[0025] Description of reference numerals:
[0026] 1. Outer sleeve seal; 2. O-ring; 3. Connector cover; 4. Straight needle; 5. Hose; 6. Connecting cap; 7. Separation button; 8. Needle seat cap; 9. Soft needle seal; 10. Trumpet funnel; 11. Needle seat assembly; 12. Soft needle tube; 13. Fixing sticker; 14. Soft needle sheath; 15. Locking buckle; 16. Locking position; 17. Fixing hole; 18. Fixing block. DETAILED DESCRIPTION
[0027] 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.
[0028] like Figure 1-Figure 3 As shown, a soft needle type disposable pump infusion set of the utility model comprises a joint cover 3, a straight needle 4 is arranged at the connecting end of the joint cover 3, and a jacket seal 1 is arranged at the tail end of the joint cover 3;
[0029] It also includes a soft needle assembly, which is connected to a connecting protective cap 6, and the connecting protective cap 6 can be separated from the soft needle assembly by a separation button 7, so that the needle can be easily replaced;
[0030] It also includes a hose 5, which is connected to the straight needle 4 of the connector cover 3, and the other end of the hose 5 is connected to the soft needle assembly through a connecting structure.
[0031] In this embodiment, the soft needle assembly includes a soft needle seal 9, a trumpet funnel 10 and a needle seat assembly 11;
[0032] The trumpet funnel 10 is arranged above the needle seat assembly 11, and the soft needle seal 9 covers the top of the trumpet funnel 10; a needle seat cap 8 is arranged on the soft needle seal 9, and the needle seat cap 8 is connected to the needle seat assembly 11; a soft needle tube 12 is installed below the needle seat assembly 11, and the soft needle tube 12 is connected to the lower end of the trumpet funnel 10, and the hose 5 is connected to the upper end of the trumpet funnel 10.
[0033] Wherein, the connection structure includes a connection protective cap 6 and a separation button 7;
[0034] The connecting protective cap 6 is connected to the other end of the hose 5, and locking buckles 15 are provided on both sides of the connecting protective cap 6, and the locking ends of the locking buckles are placed inside the connecting protective cap 6;
[0035] The separation button 7 is provided with a fixing hole 17, and the locking buckle 15 is provided with a fixing block 18 corresponding to the fixing hole 17, and the fixing block 18 is guided and arranged on the fixing hole 17; so that the connection between the connecting protective cap 6 and the separation button 7 is more stable and is not easy to fall off during use;
[0036] The separation button 7 is arranged above the needle seat assembly 11, and a locking position 16 is arranged on the inner side of the separation button 7, and the locking position corresponds to the locking end position of the locking buckle, thereby realizing the connection between the connecting protective cap 6 and the separation button 7; the locking position is disengaged from the locking end of the locking buckle by pressing the locking buckle; and then the locking buckle 15 is driven to move downward by pressing the connecting protective cap, so that the fixing hole is separated from the fixing block, so as to facilitate the removal of the connecting protective cap and the replacement of the soft needle assembly.
[0037] A fixing patch 13 is disposed below the needle seat assembly 11, and the soft needle tube 12 is disposed through the fixing patch 13 for fixing during injection.
[0038] In addition, a soft needle sheath 14 is provided on the soft needle tube 12 to protect the needle tip and avoid accidental damage.
[0039] In addition, an O-ring 2 is provided on the joint cover 3 .
[0040] The utility model is easy to replace the needle: by arranging a separation button, the connection protection cap and the soft needle assembly can be conveniently separated, thereby realizing the replacement of the needle and reducing the inconvenience during use.
[0041] The utility model presses the locking buckle to disengage the locking position from the locking end of the locking buckle, and then presses down the connecting protective cap to achieve the connection between the connecting protective cap and the separation button, so as to facilitate the replacement of the soft needle assembly.
[0042] The utility model can reduce the time for patients to go to the hospital to find medical staff for injection, so that patients can inject themselves at home.
[0043] 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 soft needle disposable pump infusion set, characterized in that: include: A joint cover (3), wherein a straight pin (4) is disposed at the connection end of the joint cover (3), and a jacket seal (1) is disposed at the rear end of the joint cover (3); A soft needle assembly, wherein the soft needle assembly is connected to a connecting protective cap (6), and the connecting protective cap (6) and the soft needle assembly can be separated by a separation button (7); A hose (5) is connected to the straight needle (4) of the joint cover (3), and the other end of the hose (5) is connected to the soft needle assembly through a connecting structure.
2. The soft needle type disposable pump infusion set according to claim 1, characterized in that: The soft needle assembly comprises a soft needle seal (9), a trumpet funnel (10) and a needle seat assembly (11); The trumpet funnel (10) is arranged above the needle seat assembly (11), and the soft needle seal (9) covers the top of the trumpet funnel (10); a needle seat cover cap (8) is arranged on the soft needle seal (9), and the needle seat cover cap (8) is connected to the needle seat assembly (11); a soft needle tube (12) is installed below the needle seat assembly (11), and the soft needle tube (12) is connected to the lower end of the trumpet funnel (10), and the hose (5) is connected to the upper end of the trumpet funnel (10).
3. The soft needle disposable pump infusion set according to claim 1, characterized in that: The connection structure comprises a connection protective cap (6) and a separation button (7); The connecting protective cap (6) is connected to the other end of the hose (5), and locking buckles are provided on both sides of the connecting protective cap (6), and the locking ends of the locking buckles are placed inside the connecting protective cap (6); The separation button (7) is provided with a fixing hole, and the locking buckle is provided with a fixing block corresponding to the fixing hole, and the fixing block is guided and arranged on the fixing hole; The separation button (7) is arranged above the needle seat assembly (11), and a locking position is arranged on the inner side of the separation button (7), and the locking position corresponds to the locking end position of the locking buckle, thereby realizing the connection between the connecting protective cap (6) and the separation button (7).
4. The soft needle type disposable pump infusion set according to claim 2, characterized in that: A fixing sticker (13) is arranged below the needle seat assembly (11), and the soft needle tube (12) is arranged through the fixing sticker (13).
5. The soft needle disposable pump infusion set according to claim 2, characterized in that: The soft needle tube (12) is sleeved with a soft needle sheath (14).
6. The soft needle type disposable pump infusion set according to claim 1, characterized in that: An O-ring (2) is provided on the joint cover (3).