CN214343743U

CN214343743U - Special transfusion system for chemotherapy administration

Info

Publication number: CN214343743U
Application number: CN202020961831.6U
Authority: CN
Inventors: 刘海亮; 徐艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-31
Filing date: 2020-05-31
Publication date: 2021-10-08
Anticipated expiration: 2030-05-31

Abstract

The utility model relates to the technical field of medical equipment, and a special transfusion system that chemotherapy was dosed is disclosed, including fixing mechanism, fixing mechanism lower extreme fixedly connected with current-limiting mechanism, the current-limiting mechanism lower extreme is pegged graft and is had external mechanism, fixing mechanism includes the leak protection lantern ring, the fixed knot of leak protection lantern ring upper end fixedly connected with, the inside bottom of the leak protection lantern ring is provided with the fluid reservoir that stays, the fixed plate of the inner wall fixedly connected with of leak protection lantern ring, fixedly connected with pjncture needle in the middle of the fixed plate, the inside swing joint of leak protection lantern ring has metal spring. The utility model has the advantages of reasonable design, fix the bottleneck of infusion bottle through setting up the leak protection lantern ring and the cooperation of fixed knot to through metal spring extrusion fly leaf, make the fly leaf hug closely always at the bottleneck of infusion bottle, prevent that liquid from spilling from the surface of protection tube, and the bottom of pjncture needle sets up the check valve, liquid reflux when preventing to extract the device has reached the effect that prevents the weeping.

Description

Special transfusion system for chemotherapy administration

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a special transfusion device for chemotherapy drug administration.

Background

Chemotherapy refers to chemotherapy, which is a medicine promoting treatment for diseases caused by pathogenic microorganisms, parasites and malignant tumors. Radiation therapy is an important tool for the treatment of malignant tumors. Its advantages are killing tumor cells and suppressing growth and reproduction. The side effects are decreased gastric immune function, bone marrow suppression, etc.

Some chemotherapy drugs are administered in the form of tablets, others are injected intramuscularly or subcutaneously, and also intraspinal injections (intrathecal injections), more commonly intravenous injections, which can be done within minutes for diagnostic purposes, or instilled in large volumes of liquid for hours, sometimes several drugs are used simultaneously in medical departments.

Chemotherapy's injection medicine has certain toxicity, and medical personnel need prevent that liquid leakage from causing the injury to self when using, and present injection equipment does not have fine leak protection mechanism.

According to the Chinese patent publication number: CN207562175U discloses an infusion set for chemotherapy, this infusion set for chemotherapy, through the bottleneck and the bottleneck department that are fixed in the infusion bottle with a puncture section of thick bamboo is firm, the effectual liquid medicine that prevents spills over from the bottleneck, therefore the security performance is high, avoid causing the injury to medical personnel because of the liquid medicine spills over, and be equipped with a ring shape recess on the inner wall through a puncture section of thick bamboo, the recess internal fixation has the round sealing washer, the internal diameter of sealing washer is equal with the diameter of the bottleneck of infusion bottle, because of when the bottleneck inserts in a puncture section of thick bamboo, the sealing washer forms a confined space with the bottom surface of a puncture section of thick bamboo, thereby better seal up the bottleneck, the sealing performance of a puncture section of thick bamboo has further been improved, however, this infusion set for chemotherapy, puncture ware upper end is greater than the pinhole when extracting the medicine bottle after the use, can cause the leakage of liquid.

Therefore, the applicant proposes a special infusion set for chemotherapy administration, which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a special transfusion system that chemotherapy was dosed possesses advantages such as difficult weeping, has solved the problem that liquid may spill when extracting the infusion bottle that mentions in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the special transfusion device for chemotherapy drug administration comprises a fixing mechanism, wherein the lower end of the fixing mechanism is fixedly connected with a current limiting mechanism, and an external mechanism is inserted at the lower end of the current limiting mechanism.

Preferably, the fixing mechanism comprises a leakage-proof lantern ring, the upper end of the leakage-proof lantern ring is fixedly connected with a fixed buckle, the bottom inside the leakage-proof lantern ring is provided with a liquid retention bin, the inner wall of the leakage-proof lantern ring is fixedly connected with a fixing plate, the middle of the fixing plate is fixedly connected with a puncture needle, the inside of the leakage-proof lantern ring is movably connected with a metal spring, the inside of the leakage-proof lantern ring is movably connected with a movable plate, and the middle of the movable plate is provided with a protection tube.

The fixing buckle is made of elastic materials, the lower end of the fixing buckle is used for fixing the bottle opening of an infusion bottle, and the metal spring is used for enabling the movable plate to always abut against the bottle opening of the infusion bottle, so that the sealing degree is improved.

Preferably, the inner diameter of the leakage-proof lantern ring is matched with the caliber of the medicine bottle, the upper end of the metal spring is in lap joint with the bottom of the movable plate, the outer surface of the puncture needle is in lap joint with the inner part of the protection tube, the upper end of the protection tube is a pointed end, and a hole is formed in the protection tube.

The protection tube is used for accomodating the pjncture needle, prevents that the puncture from leading to the fact the injury to medical personnel when using, and the tip of protection overhead end is the arc tip, can follow the puncture and just enter into the infusion bottle and move inside, but can not directly stab skin.

Preferably, the flow limiting mechanism comprises a dropping liquid pipe, the lower end of the dropping liquid pipe is fixedly connected with a sealing valve, a sealing valve ball is arranged inside the sealing valve, and the outer surface of the sealing valve is movably connected with an adjusting shaft.

Preferably, the diameter of the sealing valve ball is equal to the diameter of the channel inside the sealing valve, a through hole is formed in the axis of the sealing valve ball, and the outer surface of the sealing valve ball is fixedly connected with one end of the adjusting shaft.

The sealing valve is used for controlling the delivery of the chemotherapy liquid medicine, and can cut off the delivery of the chemotherapy liquid medicine in time when the output end leaks liquid, so that the harm to a patient is reduced.

Preferably, the external mechanism comprises a connection hose, the lower end of the connection hose is fixedly connected with an external connector, the inner wall of the external connector is inserted with the external hose, and the outer surface of the external hose is provided with a speed regulator.

The external structure is used for connecting a hose entering the internal part of a patient, the liquid flow is adjusted through the speed regulator, and the safety of the device is improved.

Compared with the prior art, the utility model provides a special transfusion system that chemotherapy was dosed possesses following beneficial effect:

1. the utility model has the advantages of reasonable design, fix the bottleneck of infusion bottle through setting up the leak protection lantern ring and the cooperation of fixed knot to through metal spring extrusion fly leaf, make the fly leaf hug closely always at the bottleneck of infusion bottle, prevent that liquid from spilling from the surface of protection tube, and the bottom of pjncture needle sets up the check valve, liquid reflux when preventing to extract the device has reached the effect that prevents the weeping.

2. The utility model has the advantages of reasonable design, set up the seal valve through the lower extreme at fixed establishment to control through its inside sealed valve ball, when carrying out the chemotherapy, in case the patient appears uncomfortable, can carry out the cutout through the seal valve immediately, and can prevent that chemotherapy liquid from leaking from the output through closing the seal valve around carrying out the chemotherapy, reached and used safer effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a schematic diagram of the fixing plate structure of the present invention;

fig. 4 is a schematic view of the sealing valve of the present invention.

Wherein: 100. a fixing mechanism; 200. a flow limiting mechanism; 300. an external connection mechanism; 101. a leakage-proof lantern ring; 102. a fixing buckle; 103. a liquid reserving bin; 104. a fixing plate; 105. puncturing needle; 106. a metal spring; 107. a movable plate; 108. protecting the tube; 201. a dropping tube; 202. a sealing valve; 203. sealing the valve ball; 204. an adjustment shaft; 301. a connecting hose; 302. an external connector; 303. a hose is connected externally; 304. a speed regulator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a special infusion apparatus for chemotherapy drug administration comprises a fixing mechanism 100, the fixing mechanism 100 comprises a leakage-proof collar 101, the inner diameter of the leakage-proof collar 101 is matched with the caliber of a drug bottle for fixing the apparatus at the mouth of the infusion bottle to prevent the apparatus from being separated, the upper end of the leakage-proof collar 101 is fixedly connected with a fixing buckle 102, the fixing buckle 102 has elasticity, when the infusion bottle is inserted into the leakage-proof collar 101, the infusion bottle is further fixed, the bottom inside the leakage-proof collar 101 is provided with a liquid reserving bin 103, the liquid reserving bin 103 is used for storing residual chemotherapy drug liquid in a pipeline to prevent the residual drug liquid in the pipeline from flowing out when the needle is pulled out, the inner wall of the leakage-proof collar 101 is fixedly connected with a fixing plate 104, the fixing plate 104 is used for supporting a metal spring 106, so that the metal spring 106 can always provide pressure to the movable plate 107 to maintain the sealing of the movable plate 107 and the mouth of the infusion bottle, the middle of the fixing plate 104 is fixedly connected with a puncture needle 105, the puncture needle 105 is used for puncturing a sealing plug at the opening of the infusion bottle, the bottom of the puncture needle is provided with a one-way valve, for preventing liquid from flowing back, the structure of the one-way valve is the existing device, so it is not described in detail, the outer surface of the puncture needle 105 is lapped with the inner part of the protection tube 108, the inner part of the leakage-proof lantern ring 101 is movably connected with a metal spring 106, the upper end of the metal spring 106 is lapped with the bottom of the movable plate 107, the inner part of the leakage-proof lantern ring 101 is movably connected with the movable plate 107, the diameter of the movable plate 107 is equal to the inner diameter of the leakage-proof lantern ring 101, the sealing performance of the device is further improved, the protection tube 108 is arranged in the middle of the movable plate 107, the upper end of the protection tube 108 is a pointed end, and is provided with a hole, the protection tube 108 is used for protecting the puncture needle 105 when not in use, preventing the puncture needle 105 from stabbing medical personnel, and also playing a role in protecting the needle head of the puncture needle 105 from being damaged.

The lower end of the fixing mechanism 100 is fixedly connected with a flow limiting mechanism 200, the flow limiting mechanism 200 comprises a dropping tube 201, the lower end of the dropping tube 201 is fixedly connected with a sealing valve 202, the sealing valve 202 is used for controlling the on-off of the liquid medicine, the liquid in the liquid reserving chamber 103 can be prevented from flowing out in normal time, the liquid supply can be cut off rapidly under the condition of going on, the safety of the patient is ensured, the sealing valve 202 is internally provided with the sealing valve ball 203, the structure of the sealing valve ball 203 is the prior ball valve structure, the diameter of the sealing valve ball 203 is equal to the diameter of the channel in the sealing valve 202, and the axis is provided with a through hole, the outer surface of the sealing valve ball 203 is fixedly connected with one end of the adjusting shaft 204, the outer surface of the sealing valve 202 is movably connected with the adjusting shaft 204, one end of the adjusting shaft 204 is fixedly connected with the sealing valve ball 203 for controlling the sealing valve ball 203, and the joint of the adjusting shaft 204 and the sealing valve 202 is subjected to leakage-proof treatment.

The lower extreme of current-limiting mechanism 200 is pegged graft and is had external mechanism 300, external mechanism 300 includes coupling hose 301, coupling hose 301's lower extreme fixedly connected with external joint 302, external joint 302 is used for connecting the extension hose, it is more convenient to make whole device use, the inner wall of external joint 302 is pegged graft and is had external hose 303, the length of external hose 303 can be adjusted by oneself as required, the medical hose that uses when the material of external hose 303 is normal chemotherapy, the surface of external hose 303 is provided with speed regulator 304, speed regulator 304 is current infusion speed adjusting device, a patient for according to different constitutions carries out the adjustment of infusion speed.

When the device is used, the sealing valve 202 is closed, the leakage-proof sleeve ring 101 is aligned to the opening of an infusion bottle, the infusion bottle is pressed, the opening of the infusion bottle extrudes the protection tube 108, the puncture needle 105 punctures the bottle stopper of the infusion bottle, the top of the protection tube 108 punctures the inside of the infusion bottle, the movable plate 107 seals the opening of the infusion bottle under the action of the metal spring 106, the external hose 303 is inserted into the external connector 302, and the adjusting shaft 204 is rotated to carry out chemotherapy on a patient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A special transfusion system for chemotherapy drug delivery comprises a fixing mechanism (100), and is characterized in that: the lower end of the fixing mechanism (100) is fixedly connected with a current limiting mechanism (200), and the lower end of the current limiting mechanism (200) is inserted with an external mechanism (300);

the fixing mechanism (100) comprises a leakage-proof lantern ring (101), a fixing buckle (102) is fixedly connected to the upper end of the leakage-proof lantern ring (101), a liquid retention bin (103) is arranged at the bottom inside the leakage-proof lantern ring (101), a fixing plate (104) is fixedly connected to the inner wall of the leakage-proof lantern ring (101), a puncture needle (105) is fixedly connected to the middle of the fixing plate (104), a metal spring (106) is movably connected to the inside of the leakage-proof lantern ring (101), a movable plate (107) is movably connected to the inside of the leakage-proof lantern ring (101), and a protection pipe (108) is arranged in the middle of the movable plate (107);

the flow limiting mechanism (200) comprises a dropping liquid pipe (201), the lower end of the dropping liquid pipe (201) is fixedly connected with a sealing valve (202), a sealing valve ball (203) is arranged inside the sealing valve (202), and the outer surface of the sealing valve (202) is movably connected with an adjusting shaft (204);

the external mechanism (300) comprises a connecting hose (301), an external joint (302) is fixedly connected to the lower end of the connecting hose (301), an external hose (303) is inserted into the inner wall of the external joint (302), and a speed regulator (304) is arranged on the outer surface of the external hose (303).

2. The special infusion set for chemotherapy administration according to claim 1, characterized in that: the internal diameter of leak protection lantern ring (101) and the bore looks adaptation of medicine bottle, the upper end of metal spring (106) and the bottom overlap joint of fly leaf (107), the outside surface of pjncture needle (105) and the inside overlap joint of protection tube (108), and the upper end of protection tube (108) is the tip to seted up the hole.

3. The special infusion set for chemotherapy administration according to claim 1, characterized in that: the diameter of the sealing valve ball (203) is equal to that of a channel inside the sealing valve (202), a through hole is formed in the axis of the sealing valve ball, and the outer surface of the sealing valve ball (203) is fixedly connected with one end of the adjusting shaft (204).