Adjustable pen type injector
By designing the drug storage and loading components of an adjustable pen syringe, continuous drug injection and sealed isolation are achieved, solving the problem of frequent drug loading required by existing syringes and improving injection efficiency and safety.
Patent Information
- Application Number
- CN202422609118.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-10-29
AI Technical Summary
Existing syringes require frequent refills after injection, and the injection volume cannot be adjusted, affecting operational and injection efficiency.
An adjustable pen-type injector was designed. Through the structural design of the drug storage component and the drug delivery component, continuous drug injection and sealed isolation can be achieved, avoiding frequent drug addition.
It improves injection efficiency, reduces the need for frequent medication additions, and enhances the safety and hygiene of syringe use.
Smart Images
Figure CN223641123U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of medical instruments, especially, relate to a adjustable pen type injector. BACKGROUND
[0002] The injector is a common medical appliance, which is composed of a needle cylinder with a small hole at the front end and a piston core rod matched with the needle cylinder. The injector is used to inject a small amount of liquid or gas into areas that cannot be accessed by other methods or to extract liquid or gas from those places. Liquid or gas is sucked into the small hole at the front end of the needle cylinder when the core rod is pulled out, and liquid or gas is squeezed out when the core rod is pushed in.
[0003] The existing injector is used to inject a certain amount of medicine into the human body, and after the injection is completed, the medicine needs to be added for continuous injection. This process needs to be continuously injected and added with medicine alternately, and the injection amount cannot be adjusted, which seriously affects the operation efficiency of the patient, thereby reducing the injection efficiency. Therefore, the utility model provides a adjustable pen type injector to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a adjustable pen type injector, which solves the problems of low operation efficiency and injection efficiency of the existing injector through the specific structure design between the structures of the medicine storage assembly, the injection rod and the medicine adding assembly.
[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:
[0006] The utility model relates to a adjustable pen type injector, which comprises a medicine storage assembly, an injection rod and a medicine adding assembly, wherein the medicine storage assembly comprises a first medicine storage pipe, the first medicine storage pipe is provided with a medicine inlet on the side surface, a needle is detachably arranged at one end of the first medicine storage pipe, the injection rod is slidably arranged in the first medicine storage pipe, a medicine pushing disc is fixedly arranged at one end of the injection rod, the medicine adding assembly is installed on the side surface of the medicine storage assembly, the medicine adding assembly comprises an annular plate, the annular plate is rotatably arranged on the side surface of the first medicine storage pipe, a medicine guide hole is formed in the side surface of the annular plate, and the medicine guide hole is matched with the medicine inlet.
[0007] The utility model is further provided with a second medicine storage pipe, the second medicine storage pipe is sleeved on the side surface of the first medicine storage pipe, and a sliding hole is formed in the side surface of the second medicine storage pipe.
[0008] The utility model is further provided with a cross hole formed in the other end of the first medicine storage pipe, a cross plate is fixedly arranged on the side surface of the injection rod, and the cross hole and the cross plate are in sliding fit.
[0009] The utility model further sets up, one end of the injection rod is fixedly connected with the push disc, the push disc is fixedly connected with the injection rod, the push disc is fixedly connected with the injection rod, and the push disc is fixedly connected with the injection rod.
[0010] The utility model further sets up, one end of the injection rod is fixedly connected with the push disc, the push disc is fixedly connected with the injection rod, the push disc is fixedly connected with the injection rod, and the push disc is fixedly connected with the injection rod.
[0011] The utility model further sets up, one end of the injection rod is fixedly connected with the push disc, the push disc is fixedly connected with the injection rod, the push disc is fixedly connected with the injection rod, and the push disc is fixedly connected with the injection rod.
[0012] The utility model further sets up, one end of the injection rod is fixedly connected with the push disc, the push disc is fixedly connected with the injection rod, the push disc is fixedly connected with the injection rod, and the push disc is fixedly connected with the injection rod.
[0013] The utility model further sets up, one end of the injection rod is fixedly connected with the push disc, the push disc is fixedly connected with the injection rod, the push disc is fixedly connected with the injection rod, and the push disc is fixedly connected with the injection rod.
[0014] The utility model has following beneficial effect:
[0015] The utility model controls the rotation of the annular plate to make the first medicine storage pipe and the second medicine storage pipe inside be connected, at this time, the medicine water enters the first medicine storage pipe, then reversely controls the rotation of the annular plate to make the medicine guide port be at the relative position of the medicine inlet, pushes the push disc to drive the injection rod to move after the needle is stabbed into the skin needing injecting medicine, the medicine is injected into the human body by the medicine pushing disc, when the injection is completed, the needle is replaced, then reversely pulls the push disc to drive the injection rod to move reversely, until the injection rod moves to the initial position, and then when the patient needs to inject the second time, the above-mentioned injection mode can be operated, and this process does not need to frequently add the medicine water from the outside, improves the injection efficiency.
[0016] The utility model rotates the first connecting rod to revolve under the drive of the rotation ring, the second connecting rod revolves under the drive of the connecting ring, at this time, the round rod revolves under the drive of the linkage ring, the annular plate rotates synchronously to make the medicine guide port rotate, when the medicine guide port is connected with the medicine inlet, the medicine water can enter the first medicine storage pipe, the first arc tooth ring rotates under the drive of the second arc tooth ring, at this time, the sealing piece can be rotated and separated from the periphery of the second medicine storage pipe, this process releases the sealing of the needle in the process of adding medicine, greatly improves the use rate of the syringe, and the external bacteria are isolated through the sealing piece, so that the pillow is safer and more sanitary.
[0017] Of course, any product implementing the present application does not necessarily need to achieve all the advantages mentioned above simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative effort on the basis of these drawings.
[0019] Figure 1 It is a structural schematic diagram of an adjustable pen-type syringe.
[0020] Figure 2 It is a structural schematic diagram of a first medicine storage tube in the present application.
[0021] Figure 3 It is a structural schematic diagram of a second medicine storage tube in the present application.
[0022] Figure 4 It is a structural schematic diagram of an injection rod in the present application.
[0023] Figure 5 It is a structural schematic diagram of a medicine feeding assembly in the present application.
[0024] Figure 6 It is a structural schematic diagram of a medicine feeding assembly in the present application. Figure 5 It is a structural schematic diagram of a medicine feeding assembly in the present application.
[0025] Figure 7 It is a structural schematic diagram of a medicine feeding assembly in the present application. Figure 6
[0026] Figure 8 It is a structural schematic diagram of a medicine feeding assembly in the present application. Figure 7
[0027] In the drawings, the component list represented by each reference numeral is as follows:
[0028] 1-medicine storage assembly, 101-first medicine storage tube, 102-medicine inlet, 103-needle, 104-second medicine storage tube, 105-sliding opening, 106-cross opening, 2-injection rod, 201-medicine pushing disc, 202-pushing disc, 203-cross plate, 3-medicine feeding assembly, 301-annular plate, 302-medicine guide opening, 303-rotating ring, 304-first connecting rod, 305-connecting ring, 306-circular rod, 307-linking ring, 308-second connecting rod, 309-first arc-shaped tooth ring, 310-second arc-shaped tooth ring, 311-sealing member. DETAILED DESCRIPTION
[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0030] Specific embodiment one, please refer to Figures 1-8 The utility model discloses a kind of adjustable pen type syringe, including medicine storage component 1, injection rod 2 and medicine feeding component 3, medicine storage component 1 includes first medicine storage tube 101, first medicine storage tube 101 side surface is equipped with medicine inlet 102, first medicine storage tube 101 one end is detachably provided with needle 103, injection rod 2 is slidably arranged in first medicine storage tube 101 inside, injection rod 2 one end is fixedly provided with medicine pushing disc 201, medicine feeding component 3 is installed in medicine storage component 1 side surface, medicine feeding component 3 includes annular plate 301, annular plate 301 is rotatably arranged in first medicine storage tube 101 side surface, annular plate 301 side surface is equipped with medicine guide port 302, medicine guide port 302 is adapted with medicine inlet 102.
[0031] Specifically, medicine storage component 1 further includes second medicine storage tube 104, second medicine storage tube 104 is sleeved in first medicine storage tube 101 side surface, second medicine storage tube 104 side surface is equipped with sliding port 105, first medicine storage tube 101 other end is equipped with cross port 106, injection rod 2 side surface is fixedly provided with cross plate 203, cross port 106 and cross plate 203 between sliding fit.
[0032] Further, injection rod 2 other end is fixedly provided with pushing disc 202, medicine feeding component 3 further includes rotating ring 303, rotating ring 303 and second medicine storage tube 104 between rotation fit.
[0033] The operation process of the embodiment is: in initial state, injection rod 2 is at the rightmost side of first medicine storage tube 101 (specifically, see the drawing of the embodiment of the present application) Figure 1As shown in the figure, the guide opening 302 is in the opposite position of the medicine inlet opening 102, the first medicine storage tube 101 is not in communication with the second medicine storage tube 104, and the second medicine storage tube 104 is filled with medicine. When the patient needs to inject medicine, the annular plate 301 is controlled to rotate so that the guide opening 302 coincides with the medicine inlet opening 102. At this time, the first medicine storage tube 101 is in communication with the second medicine storage tube 104, and the medicine enters the first medicine storage tube 101 from the medicine inlet opening 102. When the first medicine storage tube 101 is filled with medicine, the annular plate 301 is controlled to rotate in the opposite direction so that the guide opening 302 is in the opposite position of the medicine inlet opening 102. After the needle 103 is inserted into the skin where the medicine is needed, the push plate 202 is pushed to move the injection rod 2. At this time, the cross plate 203 moves along the cross opening 106, and the push plate 201 drives the medicine in the first medicine storage tube 101 to be injected into the human body. When the injection is completed, the needle 103 is replaced, and then the push plate 202 is pulled in the opposite direction to move the injection rod 2 in the opposite direction. The push plate 201 moves in the opposite direction until the injection rod 2 moves to the initial position. When the patient needs to inject medicine again, the above injection method is used. This process does not need to frequently add medicine from the outside.
[0034] In the second embodiment, two first connecting rods 304 are fixedly arranged on one side of the rotating ring 303. The first connecting rod 304 is fixedly provided with a connecting ring 305 on the side surface. The connecting ring 305 is rotatably connected with the second medicine storage tube 104.
[0035] Specifically, the annular plate 301 is fixedly provided with a circular rod 306 on the side surface. The circular rod 306 is slidably connected with the sliding opening 105. The circular rod 306 is fixedly provided with a linkage ring 307 at one end. The linkage ring 307 is rotatably connected with the side surface of the second medicine storage tube 104.
[0036] Further, the linkage ring 307 is fixedly connected with the connecting ring 305 through a second connecting rod 308. The linkage ring 307 is fixedly provided with a first arc-shaped tooth ring 309 at the bottom. The second medicine storage tube 104 is detachably provided with a sealing member 311 on the side surface. The sealing member 311 is fixedly provided with a second arc-shaped tooth ring 310 on one side. The first arc-shaped tooth ring 309 is engaged with the second arc-shaped tooth ring 310.
[0037] The operation process of the embodiment is as follows: in the initial state, the sealing member 311 seals the needle 103, the second arc-shaped tooth ring 310 is engaged with the first arc-shaped tooth ring 309, when the patient needs to be injected, the rotating ring 303 is rotated to drive the first connecting rod 304 to revolve, the connecting ring 305 is rotated to drive the second connecting rod 308 to revolve, at this time, the linkage ring 307 is rotated to drive the circular rod 306 to revolve, the annular plate 301 is synchronously rotated to make the medicine guide port 302 rotate, when the medicine guide port 302 is communicated with the medicine inlet 102, the medicine can enter the first medicine storage tube 101, under the driving of the second arc-shaped tooth ring 310, the first arc-shaped tooth ring 309 is rotated, at this time, the sealing member 311 is rotated to be unscrewed from the side surface of the second medicine storage tube 104, and then the injection can be performed.
[0038] 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 connection 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.
[0039] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that the persons skilled in the art can well understand and utilize the application. The application is limited by the claims and the entire scope and equivalents thereof.
Claims
1. An adjustable pen-type syringe, characterized by, The application relates to a medicine storage and injection device. The medicine storage and injection device comprises a medicine storage assembly (1), a medicine injection rod (2) and a medicine feeding assembly (3). The medicine storage assembly (1) comprises a first medicine storage tube (101) with a medicine inlet (102) formed on the lateral surface of the first medicine storage tube (101), and a needle (103) fixedly arranged at one end of the first medicine storage tube (101). The medicine injection rod (2) is slidably arranged in the first medicine storage tube (101), and a medicine pushing disc (201) is fixedly arranged at one end of the medicine injection rod (2).
2. An adjustable pen injector according to claim 1, wherein, The medicine feeding assembly (3) is arranged on the lateral surface of the medicine storage assembly (1), and comprises a ring-shaped plate (301) rotatably arranged on the lateral surface of the first medicine storage tube (101), and a medicine guiding hole (302) formed on the lateral surface of the ring-shaped plate (301).
3. An adjustable pen injector according to claim 2, wherein, The medicine storage assembly (1) further comprises a second medicine storage tube (104) sleeved on the lateral surface of the first medicine storage tube (101), and a sliding hole (105) formed on the lateral surface of the second medicine storage tube (104).
4. An adjustable pen injector according to claim 3, wherein, The other end of the first medicine storage tube (101) is provided with a cross-shaped hole (106), and a cross-shaped plate (203) is fixedly arranged on the lateral surface of the medicine injection rod (2). The other end of the medicine injection rod (2) is fixedly provided with a pushing disc (202).
5. An adjustable pen injector according to claim 4, wherein, The medicine feeding assembly (3) further comprises a rotating ring (303) rotatably arranged between the second medicine storage tube (104).
6. An adjustable pen injector according to claim 5, wherein, One side of the rotating ring (303) is fixedly provided with two first connecting rods (304), and the connecting rods (304) are fixedly provided with connecting rings (305) on the lateral surface.
7. An adjustable pen injector according to claim 6, wherein, The lateral surface of the ring-shaped plate (301) is fixedly provided with a circular rod (306) slidably arranged between the sliding hole (105), and one end of the circular rod (306) is fixedly provided with a linkage ring (307) rotatably arranged on the lateral surface of the second medicine storage tube (104).
8. An adjustable pen injector according to claim 7, wherein, The linkage ring (307) is fixedly connected with the connecting ring (305) through a second connecting rod (308), and the bottom of the linkage ring (307) is fixedly provided with a first arc-shaped tooth ring (309). The lateral surface of the second medicine storage tube (104) is detachably provided with a sealing element (311), and one side of the sealing element (311) is fixedly provided with a second arc-shaped tooth ring (310). The first arc-shaped tooth ring (309) is engaged with the second arc-shaped tooth ring (310).