Multi-drug injector

A drug syringe and drug storage technology, which is applied in the field of medical devices, can solve the problems of redness, swelling and induration at local puncture points, increased pain for patients, and high psychological pressure for patients, so as to reduce pain and psychological pressure, reduce the number of punctures, and have a simple structure. Effect

Inactive Publication Date: 2020-07-10
THE AFFILIATED HOSPITAL OF QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, 5ml, 2ml or 1ml syringes are mostly used for intramuscular injection. When injecting two or more drugs into the muscle, two or more punctures are required, which increases the pain of the patient.
Especially for patients in the outpatient infusion room, two or more drugs are often injected intramuscularly ...

Method used

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  • Multi-drug injector
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Examples

Experimental program
Comparison scheme
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Embodiment 1

[0028] This embodiment provides a multi-medicine syringe, such as Figure 1-5 As shown, it includes a first needle tube 1, a second needle tube 2 and a rotary switch 3. The first needle tube 1 is provided with three injection devices, and the rotary switch 3 is provided on the first needle tube 1 and the second needle tube Between 2, the rotary switch 3 is provided with a channel 4 corresponding to one of the bolus injection devices, and the rotary switch 3 is rotated to control the opening of one of the bolus injection devices. The front end of the second needle tube 2 is provided with a nipple for connecting a needle plug. The bolus device can also be 4 or 5, etc.

[0029] There are three bolus injection devices, and one of the bolus injection devices is provided with 0.4-0.8 ml of 0.9% sodium chloride normal saline. Flush the tube after injecting one drug to prevent drug reactions between the two drugs. The other 2 bolus devices can aspirate and inject different drugs.

[00...

Embodiment 2

[0039] Such as Image 6 with 7 As shown, there are 4 bolus injection devices in this embodiment, and one of the bolus injection devices is provided with 0.8-1.5 ml of physiological saline whose concentration of sodium chloride is 0.9%. The structural principles of the remaining components are the same as in Embodiment 1, and will not be repeated here.

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Abstract

The invention discloses a multi-drug injector. The multi-drug injector comprises a first needle tube, a second needle tube and a rotating switch. At least three pushing-injecting devices are arrangedin the first needle tube. The rotating switch is arranged between the first needle tube and the second needle tube. The rotating switch is provided with a channel corresponding to one of the pushing-injecting devices, wherein the rotating switch is used for controlling one of the pushing-injecting devices to be opened. The respective pushing-injecting devices can complete suction and injection ofdifferent drugs; normal saline is stored in one of the pushing-injecting devices, tube washing is carried out through the normal saline in two times of drug injection to avoid a drug reaction; by virtue of the arrangement of the rotating switch, only one pushing-injecting device can be started each time for operation, so that influence to other paths caused by one path of drug injection is avoided; and the multi-drug injector is simple in structure and is capable of carrying out muscle or subcutaneous injection with drugs of two or more kinds at the same time, the puncture frequency is reduced, and the pain and psychological stress of a patient are relieved.

Description

Technical field [0001] The invention belongs to the technical field of medical devices, and particularly relates to a multi-medicine injector. Background technique [0002] At present, 5ml, 2ml or 1ml syringes are used for intramuscular injection. When two or more drugs are injected intramuscularly, two or more punctures are required to increase the pain of the patient. Especially for patients in the outpatient infusion room, there are often cases where two or more drugs are injected intramuscularly or subcutaneously at the same time, and multiple intramuscular injections are required when injecting multiple drugs at the same time, which leads to increased pain and swelling in the local puncture point. The incidence of AIDS has increased, and it has caused great psychological pressure on patients. Summary of the invention [0003] To solve the above technical problems, the present invention provides a multi-medicine syringe. [0004] A multi-medicine syringe, comprising a first ne...

Claims

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Application Information

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IPC IPC(8): A61M5/178A61M5/19A61M5/315A61M5/31
CPCA61M5/178A61M5/19A61M5/3129A61M5/31511A61M5/31596A61M2205/6081
Inventor 刘芳李彩云赵联利侯学娜
Owner THE AFFILIATED HOSPITAL OF QINGDAO UNIV
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