Drug delivery device

Abstract

The utility model discloses a dosing device which comprises a hose, an expansion assembly, a storage cylinder, a pushing assembly, a sealing film and a diffusion pipe, the expansion assembly can be connected to the hose in a front-back sliding mode, the storage cylinder is fixed to the rear end of the hose and communicated with the hose, liquid medicine is stored in the storage cylinder, and the pushing assembly is connected to the expansion assembly. The pushing assembly is connected with the storage cylinder and used for pushing liquid medicine into the hose, the diffusion pipe is arranged at the front end of the hose, a liquid outlet hole is formed in the diffusion pipe, the sealing film is arranged between the diffusion pipe and the hose, and a cross hole capable of being opened and closed is formed in the sealing film; by the adoption of the device, fixed-point drug delivery can be achieved, the drug absorption rate is improved, the comfort of a patient in the drug delivery process can be guaranteed, and the device is high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a dosing device. BACKGROUND

[0002] Rectal administration is a common effective treatment in medical treatment, which changes traditional dosing modes such as oral administration, external application and injection, and is a good news for children and long-term medication patients, and it is non-invasive and non-odorous, and does not cause adverse reactions of the gastrointestinal tract, and can reduce the harm to the liver and kidney, and a dosing device is often used in the dosing process.

[0003] However, the existing dosing device has the following shortcomings:

[0004] (1) The existing dosing device has poor accuracy, and it is difficult to accurately dose in the rectum of a patient during use, resulting in poor dosing effect and affecting drug absorption.

[0005] (2) The existing dosing device has weak practical functions, and the operation is cumbersome during rectal administration, and the comfort of the patient during the dosing process is poor, affecting the practicality of the device. INVENTION CONTENTS

[0006] The technical problem to be solved by the utility model is to provide a dosing device, which can effectively solve the problems of poor dosing effect and poor comfort in the prior art.

[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0008] A dosing device comprises a hose, an expansion assembly, a storage cylinder, a pushing assembly, a sealing film and a diffusion pipe, the expansion assembly is connected to the hose in a forward and backward sliding manner, the storage cylinder is fixed to the rear end of the hose and communicates with the hose, the storage cylinder stores liquid medicine, the pushing assembly is connected to the storage cylinder and is used for pushing the liquid medicine into the hose, the diffusion pipe is arranged at the front end of the hose, the diffusion pipe is provided with a liquid outlet hole, the sealing film is arranged between the diffusion pipe and the hose, and a cross hole that can be opened and closed is arranged in the sealing film.

[0009] As a preferred scheme of the utility model, the expansion assembly comprises a sliding frame, an air bag, an air pipe and an inflating ball, the sliding frame is slidingly connected to the hose, the air bag is wrapped around the outer periphery of the sliding frame, one end of the air pipe communicates with the air bag, and the other end of the air pipe communicates with the inflating ball.

[0010] As a preferred scheme of the utility model, the outer periphery of the hose is provided with a sliding groove arranged along the length direction, and the inside of the sliding frame is provided with a convex rib in sliding cooperation with the sliding groove.

[0011] As a preferred scheme of the utility model, the pushing assembly comprises a pushing rod, a piston plate and a pushing plate, the piston plate is slidably arranged in the storage cylinder, one end of the pushing rod is fixedly connected with the piston plate, and the other end of the pushing rod extends out of the storage cylinder and is fixedly connected with the pushing plate.

[0012] As a preferred scheme of the utility model, the front end of the hose is fixedly provided with a mounting rack, and the sealing membrane is fixedly connected with the mounting rack.

[0013] As a preferred scheme of the utility model, the hose is provided with a connecting piece, the connecting piece is provided with a first threaded part, the storage cylinder is provided with a second threaded part, the first threaded part is in threaded connection with the second threaded part, and the connecting piece is provided with a through hole through which the medicinal liquid can pass.

[0014] As a preferred scheme of the utility model, the liquid outlet hole is provided with a plurality of liquid outlet holes arranged at uniform intervals.

[0015] As a preferred scheme of the utility model, the surface of the storage cylinder is provided with an observation port, and one side of the observation port is provided with a scale line.

[0016] The beneficial effects of the drug delivery device provided by the utility model compared with the prior art are:

[0017] In the drug delivery process, the front end of the hose is inserted into the anus of the patient, and after the hose is inserted in place, the medicinal liquid is pushed into the hose by the pushing assembly, at this time, the medicinal liquid can pass through the cross hole on the sealing membrane into the diffusion pipe, and flow into the patient's body through the liquid outlet hole, realizing point drug delivery and improving the drug absorption efficiency. In addition, due to the arrangement of the expansion assembly, the front and rear positions of the expansion assembly on the hose are adjusted during the insertion of the hose, and the anus of the patient is expanded by the expansion assembly, which facilitates the continuous insertion of the hose and also facilitates subsequent drug delivery operation, and improves the comfort of the patient. The utility model can realize point drug delivery, improve the drug absorption rate, ensure the comfort of the patient during drug delivery, and has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the utility model embodiment, the drawings of the embodiment will be briefly introduced below.

[0019] Fig. 1 is a structural schematic view of the drug delivery device provided by the utility model embodiment;

[0020] Fig. 2 is a structural schematic diagram of the inflation assembly;

[0021] Fig. 3 is a structural schematic diagram of the push assembly;

[0022] Fig. 4 is a structural schematic diagram of the sealing film.

[0023] Markings in the figure:

[0024] Hose 100; chute 101; inflation assembly 200; sliding frame 201; air bag 202; air pipe 203; inflatable ball 204; convex rib 205; storage cylinder 300; observation port 301; push assembly 400; push rod 401; piston plate 402; push plate 403; sealing film 500; cross hole 501; diffusion pipe 600; liquid outlet hole 601; mounting frame 700; connecting piece 800; first threaded part 801; second threaded part 802; through hole 803. DETAILED DESCRIPTION

[0025] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0026] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be understood as limiting the present application. It should be understood that the terms "first", "second" and the like are used to describe various information in the present application, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, the "first" information can also be referred to as "second" information without departing from the scope of the present application, and similarly, the "second" information can also be referred to as "first" information.

[0027] As Figs. 1 to 4The utility model discloses a kind of drug delivery devices, it includes hose 100, expansion assembly 200, storage cylinder 300, push assembly 400, sealing membrane 500 and diffusion pipe 600, the expansion assembly 200 can be slidably connected on the hose 100, the storage cylinder 300 is fixed in the rear end of hose 100 and with the hose 100 intercommunication, the storage cylinder 300 stores liquid medicine, the push assembly 400 is connected with the storage cylinder 300 and is used to push liquid medicine into the hose 100, the diffusion pipe 600 is arranged at the front end of the hose 100, the diffusion pipe 600 is equipped with liquid outlet hole 601, the sealing membrane 500 is arranged between the diffusion pipe 600 and the hose 100, cross hole 501 that can be opened and closed is formed in the sealing membrane 500.

[0028] In the drug delivery process, the front end of the hose 100 is inserted into the anus of the patient, after the hose 100 is inserted in place, the liquid medicine is pushed into the hose 100 by the push assembly 400, at this time, the liquid medicine can pass through the cross hole 501 on the sealing membrane 500 into the diffusion pipe 600, and flow into the patient's body through the liquid outlet hole 601, realizing point drug delivery, improving the effect of drug absorption efficiency; in addition, due to the arrangement of the expansion assembly 200, during the insertion process of the hose 100, the front and rear positions of the expansion assembly 200 on the hose 100 are adjusted, and the anus of the patient is expanded by the expansion assembly 200, facilitating the continuous insertion of the hose 100, and also facilitating subsequent drug delivery operation, while improving the comfort of the patient; by using the utility model, point drug delivery can be realized, the drug absorption rate is improved, and the comfort of the patient during drug delivery can be ensured, and the device has high practicality.

[0029] For example, the expansion assembly 200 includes a sliding frame 201, an air bag 202, an air pipe 203, and an inflating ball 204. The sliding frame 201 is slidably connected with the hose 100. The air bag 202 is wrapped around the outer periphery of the sliding frame 201. One end of the air pipe 203 is in communication with the air bag 202. The other end of the air pipe 203 is in communication with the inflating ball 204. During use, the sliding frame 201 is inserted into the anus of the patient, and then the inflating ball 204 with a pressure relief valve inside is pressed to make the air bag 202 expand outward, so as to expand the anus of the patient, facilitating the continuous insertion of the hose 100 into the rectum for drug delivery, reducing the operation difficulty, and improving the comfort of the patient.

[0030] In the embodiment, the outer periphery of the hose 100 is provided with a sliding groove 101 arranged along the length direction. The inner part of the sliding frame 201 is provided with a convex rib 205 in sliding cooperation with the sliding groove 101.

[0031] Exemplarily, the pushing assembly 400 comprises a pushing rod 401, a piston plate 402 and a pushing plate 403, the piston plate 402 is slidably arranged in the storage cylinder 300, one end of the pushing rod 401 is fixedly connected with the piston plate 402, the other end of the pushing rod 401 extends out of the storage cylinder 300 and is fixedly connected with the pushing plate 403, the pushing plate 403 is pushed forward, so that the liquid medicine flows to the inside of the hose 100 under the pushing of the piston plate 402, and then flows into the diffusion pipe 600 through the cross hole 501 on the sealing film 500, and finally flows to the patient's body through the liquid outlet hole 601, so as to achieve the effect of precise drug delivery.

[0032] Exemplarily, in order to facilitate the installation of the sealing film 500, the front end of the hose 100 is fixedly connected with a mounting bracket 700, and the sealing film 500 is fixedly connected with the mounting bracket 700.

[0033] Exemplarily, the hose 100 is provided with a connecting piece 800, the connecting piece 800 is provided with a first threaded portion 801, the storage cylinder 300 is provided with a second threaded portion 802, the first threaded portion 801 is threadedly connected with the second threaded portion 802, and the connecting piece 800 is provided with a through hole 803 through which the liquid medicine can pass, when the patient needs to inject multiple liquid medicines, after one kind of liquid medicine is injected, the storage cylinder 300 can be disassembled, and then the storage cylinder 300 is installed after new liquid medicine is loaded, so that the hose 100 does not need to be taken out repeatedly, and the discomfort degree of the patient in the drug delivery process is reduced.

[0034] Exemplarily, in order to achieve the purpose of uniform drug delivery, the liquid outlet hole 601 is provided with a plurality of liquid outlet holes 601, and the plurality of liquid outlet holes 601 are uniformly arranged.

[0035] Exemplarily, the surface of the storage cylinder 300 is provided with an observation hole 301, and one side of the observation hole 301 is provided with a scale line, so that the amount of drug delivery can be observed during the drug delivery process, and the smooth progress of the drug delivery process is ensured.

[0036] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "connection", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] The above merely is the preferred implementation form of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and substitutions can be made, and these improvements and substitutions should also be considered as the protection scope of the present application.

Claims

1. A drug delivery device characterized in that, The device comprises a hose, an expansion assembly, a storage cylinder, a pushing assembly, a sealing film and a diffusion pipe, the expansion assembly is slidably connected to the hose, the storage cylinder is fixed to the rear end of the hose and communicates with the hose, the storage cylinder stores liquid medicine, the pushing assembly is connected to the storage cylinder and pushes the liquid medicine into the hose, the diffusion pipe is arranged at the front end of the hose, the diffusion pipe is provided with liquid outlets, the sealing film is arranged between the diffusion pipe and the hose, and the sealing film is provided with an openable and closable cross-shaped hole.

2. A device according to claim 1, wherein The expansion assembly comprises a sliding frame, an air bag, an air pipe and an inflating ball, the sliding frame is slidably connected to the hose, the air bag is wrapped around the outer periphery of the sliding frame, one end of the air pipe communicates with the air bag, and the other end of the air pipe communicates with the inflating ball.

3. A device according to claim 2, wherein The outer periphery of the hose is provided with a sliding groove arranged along the length direction, and the inner part of the sliding frame is provided with a convex rib in sliding cooperation with the sliding groove.

4. A device according to claim 1, wherein The pushing assembly comprises a pushing rod, a piston plate and a pushing plate, the piston plate is slidably arranged in the storage cylinder, the pushing rod is fixedly connected to the piston plate, and the other end of the pushing rod extends out of the storage cylinder and is fixedly connected to the pushing plate.

5. A device according to claim 1, wherein The front end of the hose is fixedly provided with a mounting rack, and the sealing film is fixedly connected to the mounting rack.

6. A device according to claim 1, wherein The hose is provided with a connecting piece, the connecting piece is provided with a first threaded part, the storage cylinder is provided with a second threaded part, the first threaded part is threadedly connected to the second threaded part, and the connecting piece is provided with a through hole through which the liquid medicine passes.

7. A device according to claim 1, wherein The liquid outlets are provided in plurality, and the plurality of liquid outlets are uniformly and spacedly arranged.

8. A device according to claim 1, wherein The surface of the storage cylinder is provided with an observation hole, and one side of the observation hole is provided with a scale line.

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