Injection pen with injection part pressing structure

By introducing a press mechanism and adhesive bandage into the injection pen, the problems of pain and infection during injection are solved, providing a more comfortable and safer injection experience.

CN223569769UActive Publication Date: 2025-11-21JIANGSU WANHAI MEDICAL INSTR CO LTD
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Patent Information

Application Number
CN202422750438.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-11-21
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

Existing injection pens cause pain when the needle pierces the patient's skin, and the injection wound is prone to infection after injection.

Method used

An injection pen with a pressing structure at the injection site was designed. The pressing spring pushes the pressing seat to apply pressure to the patient's skin, and the adhesive bandage is used to cover the wound, reducing pain and preventing infection.

Benefits of technology

It effectively reduces the pain during injection, and the wound is covered with a band-aid to prevent post-injection infection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection pen with an injection part pressing structure, and relates to the technical field of injection pens. The injection pen comprises an injection pen main body, a pressing assembly and an adjusting assembly, the pressing assembly comprises a connecting sleeve, a central sleeve is installed outside the connecting sleeve, an inner sleeve is rotationally connected to the outer portion of the central sleeve in a sleeving mode, a sliding sleeve is movably connected to the outer portion of the central sleeve in a sleeving mode, a clamping ring is fixedly connected to the end, located in the inner sleeve, of the sliding sleeve, and a pressing spring is movably connected to the outer portion of the central sleeve in a sleeving mode. Pressing seats are mounted at the other ends of the sliding sleeves; the pressing seat comprises a mounting ring, a pressing plate is fixedly connected to one end of the mounting ring, a baffle ring is fixedly connected to the interior of the pressing plate, a band-aid is placed in the pressing plate, and a pushing block is movably sleeved with the sliding sleeve. The pressing plate is pushed by the pressing spring to apply pressure to the skin of a patient, the pain of the patient can be reduced, the adhesive bandage is pushed out through the pushing block to be attached to the skin of the patient, and wound infection after injection of the patient can be avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to injection pen technical field, especially, it is injection pen with injection site pressing structure. BACKGROUND

[0002] Injection pen is a kind of portable medical tool specially designed for patient, it is usually composed of container with dose scale and injection needle, is used to accurately, conveniently inject medicine, injection pen plays an important role in the disease management such as diabetes and the disease that needs long-term or frequent injection medicine, it not only helps patient to accurately control medicine dose, reduces injection error, still makes patient can carry out self-injection at any time, any place by its portability, improves treatment compliance, improves patient's quality of life.

[0003] During the injection of using injection pen, needle head pierces into patient's skin possibly causes certain degree of pain, leads to patient to feel uncomfortable, in addition, needle hole appears on the surface of patient's skin after injection, if not in time processing, possibly causes infection.

[0004] Therefore, we provide injection pen with injection site pressing structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing injection pen with injection site pressing structure, press spring is pushed to pressurize the skin of patient by press seat, and adhesive plaster is pushed out and is pasted with the skin of patient by push block, the problem of strong pain of existing injection pen and wound infection after injection is solved.

[0006] To solve the above technical problem, the utility model is realized by the following technical schemes:

[0007] The utility model is injection pen with injection site pressing structure, including injection pen main part, press component and adjusting assembly, press component and adjusting assembly are all arranged at the outside of injection pen main part,

[0008] Press component includes connecting sleeve, connecting sleeve is fixedly connected at the outside of injection pen main part, the outside of connecting sleeve is equipped with center sleeve, the outside of center sleeve is rotatably sleeved with inner sleeve, the outside of center sleeve is movably sleeved with sliding sleeve, one end of sliding sleeve in the inside of inner sleeve is fixedly connected with snap ring, and snap ring is pasted with the inside of inner sleeve, the outside of center sleeve is movably sleeved with press spring, and the other end of sliding sleeve is equipped with press seat.

[0009] The utility model is further provided, adjusting assembly includes threaded sleeve, threaded sleeve is threadedly sleeved with the outside of center sleeve, and inner sleeve is fixedly connected with the outside of threaded sleeve, the outside of threaded sleeve is fixedly sleeved with antiskid sleeve.

[0010] The utility model further sets up, the outside rotation sleeve of sliding sleeve is connected with the plugging ring, the inside rotation of plugging ring is connected with two screws, the outside fixed connection of inner sleeve has two fixed base, and screw thread sleeve is connected in the inside of fixed base.

[0011] The utility model further sets up, the press seat includes the installation ring, the installation ring screw thread sleeve is connected in the outside of central sleeve, and one end fixed connection of installation ring has the press board.

[0012] The utility model further sets up, the press board is fixedly connected with silica gel pad on the side of installation ring, and silica gel pad is medical silica gel.

[0013] The utility model further sets up, the connecting sleeve includes the installation sleeve pipe, and the installation sleeve pipe is fixedly connected in the outside of injection pen main part, and central sleeve screw thread sleeve is connected in the outside of installation sleeve pipe, and the outside fixed connection of installation sleeve pipe has the limit ring.

[0014] The utility model further sets up, the inside fixed connection of press board has the baffle ring, and the inside of press board is placed with the adhesive plaster, and the inside movable sleeve of sliding sleeve is connected with the push block.

[0015] The utility model further sets up, the inside of sliding sleeve is set up with three sliding slots, and the outside fixed connection of central sleeve has three limit strips, and limit strip is slidably connected in the inside of corresponding sliding slot.

[0016] The utility model has the advantages of the following:

[0017] 1, the utility model discloses a press seat is pasted with skin, then through the press, can make that snap ring pushes the press spring, through press spring can exert pressure to patient's skin, thereby reducing the pain of patient, then through central sleeve can push push block and push out the adhesive plaster, and then the adhesive plaster is pasted with patient's skin, thereby can avoid the wound infection of patient after injection.

[0018] 2, the utility model discloses through the rotation of anti -skid sleeve can drive screw sleeve rotation, under the action of screw thread, can drive inner sleeve moves back and forth, thereby can realize the compression degree of press spring and adjust, and then can adjust the press intensity of press seat to patient, make patient use more comfortable.

[0019] Of course, any product of the utility model is not necessarily required to achieve all the advantages described above at the same time. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings described in the following are only some embodiments of the present application, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0021] Figure 1 It is a three-dimensional structure schematic diagram of the present application when being stored.

[0022] Figure 2 It is a sectional structure schematic diagram of the present application when being used.

[0023] Figure 3 It is a structure schematic diagram of the pressing seat.

[0024] Figure 4 It is a structure schematic diagram of the connecting sleeve.

[0025] Figure 5 It is a structure schematic diagram of the center sleeve.

[0026] Figure 6 It is Figure 2 It is an enlarged structure schematic diagram of the middle A.

[0027] In the drawings, the component list represented by each mark is as follows:

[0028] 100-injection pen main body, 200-pressing assembly, 201-connecting sleeve, 201a-mounting sleeve, 201b-limiting ring, 202-center sleeve, 203-inner sleeve, 204-sliding sleeve, 204a-sliding groove, 204b-limiting strip, 205-clamp ring, 206-pressing spring, 207-pressing seat, 207a-mounting ring, 207b-pressing plate, 208-silicone pad, 209-plugging ring, 210-fixing seat, 211-screw, 300-adjusting assembly, 301-threaded sleeve, 302-anti-skid sleeve, 400-stop ring, 500-adhesive plaster, 600-pushing block, 700-pen cap. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the present application.

[0030] Embodiment 1, please refer to Figures 1-6The utility model discloses an injection pen with injection site pressing structure, including injection pen main body 100, pressing assembly 200 and adjusting assembly 300, pressing assembly 200 and adjusting assembly 300 all set up in the outside of injection pen main body 100,

[0031] Pressing assembly 200 includes connecting sleeve 201, and connecting sleeve 201 fixedly connected in the outside of injection pen main body 100, and the outside of connecting sleeve 201 is installed with center sleeve 202, and the outside of center sleeve 202 is rotatably sleeved with inner sleeve 203, and the outside of center sleeve 202 is movably sleeved with sliding sleeve 204, and one end of sliding sleeve 204 inside inner sleeve 203 is fixedly connected with snap ring 205, and snap ring 205 is inlaid with the inside of inner sleeve 203, and the outside of center sleeve 202 is movably sleeved with pressing spring 206, and the other end of sliding sleeve 204 is installed with pressing seat 207, and pressing seat 207 can be pressed to the skin of patient through pressing spring 206, to reduce the pain of patient,

[0032] The inside of pressing plate 207b is fixedly connected with blocking ring 400, and adhesive plaster 500 is placed in the inside of pressing plate 207b, and the inside of sliding sleeve 204 is movably sleeved with push block 600, and adhesive plaster 500 can be pushed out through push block 600, and then adhesive plaster 500 can be inlaid with the skin of patient, to avoid the infection of wound after injection of patient.

[0033] Specifically, pressing seat 207 includes mounting ring 207a, and mounting ring 207a is threadedly sleeved with the outside of center sleeve 202, and one end of mounting ring 207a is fixedly connected with pressing plate 207b;

[0034] Connecting sleeve 201 includes mounting sleeve 201a, and mounting sleeve 201a is fixedly connected with the outside of injection pen main body 100, and center sleeve 202 is threadedly sleeved with the outside of mounting sleeve 201a, and the outside of mounting sleeve 201a is fixedly connected with limiting ring 201b.

[0035] Further, the outside of sliding sleeve 204 is rotatably sleeved with blocking ring 209, two screws 211 are rotatably connected with the inside of blocking ring 209, two fixed seats 210 are fixedly connected with the outside of inner sleeve 203, and screw 211 is threadedly sleeved with the inside of fixed seat 210;

[0036] Silicone pad 208 is fixedly connected with the side of pressing plate 207b away from mounting ring 207a, and silicone pad 208 is medical silicone;

[0037] The inner side of the sliding sleeve 204 is provided with three sliding grooves 204a, and the outer side of the center sleeve 202 is fixedly connected with three limiting strips 204b, and the limiting strips 204b are slidingly connected in the interiors of the corresponding sliding grooves 204a. By setting the limiting strips 204b to slide in the limiting strips 204b, the rotation of the sliding sleeve 204 can be limited.

[0038] The operation process of the embodiment is as follows: when the patient is injected with a drug, first, the cap 700 is removed, then the pressing assembly 200 is removed, then the center sleeve 202 is screwed to the other end of the connecting sleeve 201, then the pressing seat 207 is attached to the skin, then the clasp ring 205 can push the pressing spring 206 by pressing, the pressing spring 206 can apply pressure to the skin of the patient, thereby reducing the pain of the patient, then the center sleeve 202 can push the block 600 to push out the adhesive plaster 500, and then the adhesive plaster 500 is attached to the skin of the patient.

[0039] Embodiment 2, please refer to Figure 2 On the basis of the specific embodiment one, the adjusting assembly 300 comprises a threaded sleeve 301, the threaded sleeve 301 is threadedly sleeved on the outer side of the center sleeve 202, and the inner sleeve 203 is fixedly connected to the outer side of the threaded sleeve 301, and the outer side of the threaded sleeve 301 is fixedly sleeved with an anti-skid sleeve 302.

[0040] The operation process of the embodiment is as follows: when the pressing strength needs to be adjusted, the anti-skid sleeve 302 can drive the threaded sleeve 301 to rotate, and the inner sleeve 203 can be driven to move forward and backward under the action of the thread, so that the compression degree of the pressing spring 206 can be adjusted, and then the pressing strength of the pressing seat 207 on the patient can be adjusted.

[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. An injection pen with injection site pressing structure, comprising an injection pen main body (100), a pressing assembly (200) and an adjusting assembly (300); characterized in that: The pressing assembly (200) and the adjusting assembly (300) are arranged outside the injection pen body (100); The pressing assembly (200) comprises a connecting sleeve (201) fixedly connected to the outside of the injection pen body (100), a central sleeve (202) mounted on the outside of the connecting sleeve (201), an inner sleeve (203) rotatably sleeved on the outside of the central sleeve (202), a sliding sleeve (204) movably sleeved on the outside of the central sleeve (202), a snap ring (205) fixedly connected to one end of the sliding sleeve (204) inside the inner sleeve (203) and abutting with the inside of the inner sleeve (203), a pressing spring (206) movably sleeved on the outside of the central sleeve (202), and a pressing seat (207) mounted on the other end of the sliding sleeve (204).

2. The injection pen with an injection site pressing structure according to claim 1, characterized in that, The adjusting assembly (300) comprises a threaded sleeve (301) threadedly sleeved on the outside of the central sleeve (202) and with the inner sleeve (203) fixedly connected to the outside of the threaded sleeve (301), and a non-slip sleeve (302) fixedly sleeved on the outside of the threaded sleeve (301).

3. The injection pen with an injection site pressing structure according to claim 1, characterized in that, The sliding sleeve (204) is rotatably sleeved with a blocking ring (209), the inside of the blocking ring (209) is rotatably connected with two screws (211), the outside of the inner sleeve (203) is fixedly connected with two fixed seats (210), and the screws (211) are threadedly sleeved in the inside of the fixed seats (210).

4. The injection pen with an injection site pressing structure according to claim 1, characterized in that, The pressing seat (207) comprises a mounting ring (207a) threadedly sleeved on the outside of the central sleeve (202), and one end of the mounting ring (207a) is fixedly connected with a pressing plate (207b).

5. An injection pen with an injection site pressing structure according to claim 4, characterized in that The side of the pressing plate (207b) away from the mounting ring (207a) is fixedly connected with a silica gel pad (208), and the silica gel pad (208) is medical silica gel.

6. The injection pen with an injection site pressing structure according to claim 1, characterized in that, The connecting sleeve (201) comprises a mounting sleeve (201a) fixedly connected to the outside of the injection pen body (100), and the central sleeve (202) is threadedly sleeved on the outside of the mounting sleeve (201a), and the outside of the mounting sleeve (201a) is fixedly connected with a limiting ring (201b).

7. The injection pen with an injection site pressing structure according to claim 4, characterized in that, The inside of the pressing plate (207b) is fixedly connected with a blocking ring (400), the inside of the pressing plate (207b) is placed with an adhesive plaster (500), and the inside of the sliding sleeve (204) is movably sleeved with a pushing block (600).

8. The injection pen with an injection site pressing structure according to claim 1, characterized in that, The inside of the sliding sleeve (204) is provided with three sliding grooves (204a), and the outside of the central sleeve (202) is fixedly connected with three limiting strips (204b) slidably connected in the corresponding sliding grooves (204a).