Integrally formed medicine mixing joint
A technology of drug mixing and interface, applied in the field of hard double interface, can solve the problems of increasing welding parts, cracking of welding parts of hoses, and leakage of mixed drugs, so as to reduce installation stations, avoid leakage of welding seam, and simple structure Effect
Active Publication Date: 2013-07-03
CHONGQING LUMMY PHARMA
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Problems solved by technology
[0004] The above-mentioned hard double interface with mixing nozzle mainly has the following deficiencies: 1. The mixing mouth and the mixing interface on the hard double interface need to be connected by a hose, and one end of the hose is sleeved on the mixing interface of the hard double interface, and It is welded with the mixed drug interface, and the other end of the hose is set on the syringe body and welded with the syringe body, which not only increases the installation station of the hose, but also increases the welding position, which increases the 2. The drug mixing nozzle is connected to the drug mixing interface on the hard double interface through a hose. Due to the limitation of the material used in the hose, at low temperature (such as sub-zero temperature), it is easy to cause The welding part of the hose is cracked, which leads to the leakage of the mixed drug; 3. When the mixed drug nozzle with the above structure is connected to the mixed drug interface on the hard double interface through the hose, a frangible handle needs to be installed in the hose
Method used
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[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0021] Such as figure 1 , figure 2 and image 3 As shown, the integrally formed drug mixing interface includes a drug mixing nozzle 1, a hard double interface 2 and a drug dosing needle 3. The hard dual interface 2 includes a base 21, a drug mixing interface 22 and an infusion interface 23, and the drug mixing nozzle 1 and the drug mixing interface 22 are integrally formed.
[0022] The dosing needle 3 is a cross needle (that is, the cut surface along the axis of the dosing needle is a "cross" structure), the upper and lower needle tips of the dosing needle 3 are conical structures, and there are three pinholes evenly distributed in the cone of the conical structure. face. The inner wall of the mixing channel where the mixing nozzle 1 and the mixing interface 22 are integrally formed is provided with an annular rubber pad 4, the ...
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The invention discloses an integrally formed medicine mixing joint, which comprises a medicine mixing nozzle, a hard double-joint and a medicine feeding needle, wherein the hard double-joint comprises a base, a medicine mixing joint and an infusion joint, and the medicine mixing nozzle is integrally formed with the medicine mixing joint. When the integrally formed medicine mixing joint is used, only the base needs to be welded on a bag body of a soft infusion bag, the medicine mixing nozzle is integrally formed with the medicine mixing joint on the hard double-joint, a hose connection and an easy-breaking handle are omitted, hose mounting stations are decreased, leakage on welding lines caused by welding defects of a hose is avoided, and the integrally formed medicine mixing joint is simple in structure and low in cost.
Description
technical field [0001] The invention relates to a medical device, in particular to a hard double interface with a drug mixing mouth. Background technique [0002] In the clinical treatment of diseases, patients are often given infusions or drugs are directly injected into the body through intravenous infusion. The drugs are often stored in the infusion soft bag, and the drug solution in the infusion soft bag is often injected or output through a hard double with a mixing nozzle. interface implementation. [0003] In the prior art, the rigid double interface with a drug mixing nozzle mainly includes a base, a drug mixing card body, a syringe body, a hose, a frangible handle and a drug-feeding needle. The base has a medicine mixing interface and an infusion interface, the medicine mixing interface extends out of the base, and is a cylindrical hollow structure; the infusion interface extends out of the base, and is a cylindrical hollow structure. The drug mixing card body is ...
Claims
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IPC IPC(8): A61J1/14A61J1/10
Inventor 邱宇李科周兵赵柳英李鸿宇
Owner CHONGQING LUMMY PHARMA