Chemotherapy pump auxiliary dosing device

By designing a chemotherapy pump-assisted drug delivery device, and utilizing internal threaded connections and valve control, the problem of glass syringe nipple breakage was solved, achieving efficient drug delivery and safe operation, while reducing economic and environmental pollution risks.

CN224331242UActive Publication Date: 2026-06-09RIZHAO PEOPLES HOSPITAL OF SHANDONG PROVINCE

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
RIZHAO PEOPLES HOSPITAL OF SHANDONG PROVINCE
Filing Date
2025-04-02
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

During the current chemotherapy pump drug delivery process, the nipple of the glass syringe is prone to breakage, leading to drug waste, cleaning difficulties, safety hazards, and affecting work efficiency.

Method used

A chemotherapy pump-assisted drug delivery device was designed, which uses internal thread connection and valve control to ensure that the device is stably connected to the chemotherapy pump and controls the drug delivery operation through the valve to avoid nipple breakage.

Benefits of technology

It reduces the probability of glass syringe tip breakage, reduces liquid waste and cleaning difficulty, improves work efficiency and safety, and reduces economic and environmental pollution risks.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224331242U_ABST
    Figure CN224331242U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of chemotherapy pump auxiliary dosing devices, belong to medical instrument technical field, the utility model includes device ontology, the device ontology one end is equipped with chemotherapy pump connector for being connected with the liquid-adding port of chemotherapy pump, so that it can be fixed on chemotherapy pump, another end of the device ontology is equipped with dosing port, so that the nipple of its syringe can be inserted into dosing port and carry out dosing operation, by the present application, the probability of the nipple of glass syringe breaking during use can be greatly reduced, to reduce the additional cleaning time caused by the nipple of syringe breaking and improve the problem of work difficulty, to improve work efficiency, so that medical staff can be more focused on the treatment and nursing of patient and avoid expensive liquid waste, reduce the economic burden of hospital and patient, to further improve the economic efficiency of drug use.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This technical solution belongs to the field of medical device technology, specifically a chemotherapy pump-assisted drug delivery device. Background Technology

[0002] In the field of chemotherapy, chemotherapy pumps are crucial drug delivery devices, suitable for continuous micro-dose administration or self-controlled infusion of chemotherapy drugs. Drug administration must be performed before using a chemotherapy pump. Currently, pre-filled glass syringes are commonly used for drug administration. These syringes contain the drug solution upon purchase and can be directly injected into the chemotherapy pump, eliminating the need for drawing the drug. However, the following problems exist in the drug administration process:

[0003] You need to press the plunger of the syringe firmly to squeeze the medication into the chemotherapy pump.

[0004] The nipple of the glass syringe is prone to breakage at the inlet of the chemotherapy pump, leading to the following consequences:

[0005] Medicine waste: Because medicine is expensive, with each vial costing hundreds to thousands of yuan, breakage leading to medicine waste will cause huge economic losses.

[0006] Cleaning difficulties: After the syringe tip breaks off, the cleaning process becomes complicated and seriously affects work efficiency.

[0007] Therefore, in order to address the problems existing in the chemotherapy pump dispensing process, it is necessary to improve the existing dispensing methods to reduce drug waste and improve work efficiency. Summary of the Invention

[0008] In order to solve the problems of existing technologies being inconvenient to store and carry, lacking stability, and not being able to adapt well to different heights and body types, the present invention discloses the following technical solution;

[0009] A chemotherapy pump-assisted drug delivery device includes: a device body, one end of which is provided with a chemotherapy pump connector for connecting to the liquid inlet of the chemotherapy pump so that it can be fixed on the chemotherapy pump; the other end of the device body is provided with a drug delivery port so that the nipple of the syringe can be inserted into the drug delivery port for drug delivery.

[0010] Furthermore, the device body is a tubular structure with a circular cross-section.

[0011] Furthermore, the inventors discovered that the chemotherapy pump's drug delivery port is provided with threads. In order to increase the stability of the device connection, the chemotherapy pump connector is provided with internal threads, so that the auxiliary drug delivery device can be fixed on the chemotherapy pump through threaded connection, so that the auxiliary drug delivery device can be more stably connected to the chemotherapy pump's liquid delivery port.

[0012] Furthermore, the chemotherapy pump connector includes an inner tube and a connecting sleeve. The inner tube communicates with the drug inlet, and the connecting sleeve is fitted outside the drug inlet. The connecting sleeve has an internal thread for threaded connection with the chemotherapy pump's liquid inlet, allowing the inner tube to extend into the chemotherapy pump's liquid inlet. This allows the inner tube to connect with the liquid inlet on the chemotherapy pump through the internal thread on the connecting sleeve. The design of the inner tube and connecting sleeve enables the medication to be added to the chemotherapy pump more precisely through the inner tube.

[0013] Furthermore, a valve is provided between the chemotherapy pump connector and the drug delivery port on the main body of the device, so that the opening and closing of the valve can control the switch of the auxiliary drug delivery device. During use, the valve can be closed first, and then the chemotherapy pump connector can be connected to the chemotherapy pump's liquid delivery port through the internal thread on the connecting sleeve. Then, the syringe tip can be inserted into the drug delivery port, the valve can be opened to push the syringe to deliver the drug, and after the drug delivery is completed, the valve can be closed, the syringe can be pulled out, and the drug delivery device can be removed to complete the drug delivery operation.

[0014] Furthermore, the angle between the centerline of the chemotherapy pump connector and the centerline of the drug delivery port is 120-180°.

[0015] Preferably, the angle between the centerline of the chemotherapy pump connector and the centerline of the drug delivery port is 160-180°.

[0016] Preferably, the length of the device body is 30-80mm.

[0017] Preferably, the length of the device body is 35-55mm.

[0018] Compared with the prior art, the present invention has the following outstanding advantages:

[0019] 1. This application can significantly reduce the probability of glass syringe tip breakage during use. Currently, there have been no cases of syringe tip breakage during the process of adding drugs to the chemotherapy pump using this device. This avoids the problem of expensive drug waste caused by syringe tip breakage, thereby reducing the economic burden on hospitals and patients and improving the economic efficiency of drug use.

[0020] 2. This application can reduce the cleaning time and difficulty caused by needle breakage, allowing medical staff to focus more on patient treatment and care.

[0021] 3. This application can significantly reduce the probability of the glass syringe tip breaking during use, thereby reducing the risk of drug leakage and glass fragments, ensuring the safety of medical staff and patients, and reducing the environmental pollution of medical waste, especially glass fragments and waste drugs. Attached Figure Description

[0022] Figure 1 This is a cross-sectional view of the application in its usage state;

[0023] Figure 2 This is a cross-sectional view of this application;

[0024] Figure 3 This is a schematic diagram of the structure of Embodiment 3 of this application.

[0025] The components include: 1. Device body, 2. Chemotherapy pump connector, 3. Drug inlet, 4. Valve, 5. Inner tube, 6. Connecting sleeve, A. Chemotherapy pump, B. Liquid inlet.

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] Example 1: A chemotherapy pump-assisted drug delivery device includes: a device body 1, which is a tubular structure with a circular cross-section; a chemotherapy pump connector 2 at one end of the device body 1 for connecting to the liquid delivery port B of a chemotherapy pump A; the chemotherapy pump connector 2 has an internal thread, which allows the auxiliary drug delivery device to be fixed on the chemotherapy pump A through threaded connection; and a drug delivery port 3 at the other end of the device body 1, which allows the nipple of a syringe to be inserted into the drug delivery port 3 for drug delivery.

[0029] Example 2: This example is a further improvement on Example 1, and the improvement is as follows: The chemotherapy pump connector 2 includes an inner tube 5 and a connecting sleeve 6. The inner tube 5 communicates with the drug inlet 3. The connecting sleeve 6 is sleeved outside the drug inlet 3. The connecting sleeve 6 is provided with an internal thread for threaded connection with the liquid inlet B on the chemotherapy pump A, and the inner tube 5 extends into the liquid inlet B on the chemotherapy pump A, so that it can be threadedly connected to the liquid inlet B on the chemotherapy pump A through the internal thread on the connecting sleeve 6. The angle between the centerline of the chemotherapy pump connector 2 and the centerline of the drug inlet 3 is 180°.

[0030] Example 3: This example is a further improvement on Example 2. The improvement is as follows: A valve 4 is provided between the chemotherapy pump connector 2 and the drug delivery port 3 on the main body 1 of the device, so that the opening and closing of the valve 4 can control the switch of the auxiliary drug delivery device.

[0031] In addition, the utility model discloses the following technical solutions based on the above embodiments;

[0032] 1. The length of the device body 1 is 30-80mm. The specific length can be selected within this range according to the valve 4 and actual needs. Preferably, the length of the device body 1 is 35-55mm.

[0033] 2. The main body 1 of the device is made of plastic.

[0034] 3. The top end of the inner tube 5 should be higher than the top end of the connecting sleeve 6.

[0035] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A chemotherapy pump-assisted drug delivery device, characterized in that, include: The device body has a chemotherapy pump connector at one end for connecting to the inlet of the chemotherapy pump. The chemotherapy pump connector has an internal thread, which allows the auxiliary drug delivery device to be fixed on the chemotherapy pump through the threaded connection. The other end of the device body has a drug delivery port, which allows the nipple of the syringe to be inserted into the drug delivery port.

2. The chemotherapy pump-assisted drug delivery device according to claim 1, characterized in that, The main body of the device is a tubular structure with a circular cross-section.

3. The chemotherapy pump-assisted drug delivery device according to claim 1, characterized in that, The chemotherapy pump connector includes an inner tube and a connecting sleeve. The inner tube communicates with the drug inlet, and the connecting sleeve is fitted outside the drug inlet. The connecting sleeve has an internal thread for threaded connection with the chemotherapy pump inlet and for allowing the inner tube to extend into the chemotherapy pump inlet.

4. The chemotherapy pump-assisted drug delivery device according to claim 1, characterized in that, A valve is provided between the chemotherapy pump connector and the drug delivery port on the main body of the device, so that the opening and closing of the valve can control the switching on and off of the auxiliary drug delivery device.

5. A chemotherapy pump-assisted drug delivery device according to any one of claims 1-4, characterized in that, The angle between the centerline of the chemotherapy pump connector and the centerline of the drug delivery port is 120-180°.

6. A chemotherapy pump-assisted drug delivery device according to claim 5, characterized in that, The angle between the centerline of the chemotherapy pump connector and the centerline of the drug delivery port is 160-180°.

7. A chemotherapy pump-assisted drug delivery device according to claim 5, characterized in that, The length of the device body is 30-80mm.

8. A chemotherapy pump-assisted drug delivery device according to claim 7, characterized in that, The length of the device body is 35-55mm.