Thromboembolism agent, storage and releasing device thereof

A technology of tumor blood vessels and embolic agents, applied in the field of medical devices, can solve problems such as threats to the body, damage to the patient's body, embolization of tumor blood vessels, etc., and achieve the effect of embolization therapy with safety, low price and safe use

Inactive Publication Date: 2009-04-08
董永华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This phenomenon not only causes unnecessary body damage to the patient, but also cannot fully embolize the tumor blood vessels, affecting the curative effect.
[0003] Therefore, solid and liquid vascular embolic agents, on the one hand, cannot completely occupy the blood vessels of the lesion tissue, so there are often some blood vessels supplying blood to the lesion tissue, and the embolization treatment often cannot achieve the best effect.
On the other hand, due to the use of solid and liquid vascular embolic agents, it will cause a series of inflammatory reactions after embolization, such as swelling, pain, high fever, and severe complications such as abscess.
[0004] Although the phenomenon of gas-induced vascular embolism has long been confirmed, gas embolism poses a greater threat to the body

Method used

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  • Thromboembolism agent, storage and releasing device thereof
  • Thromboembolism agent, storage and releasing device thereof
  • Thromboembolism agent, storage and releasing device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0019] Vascular gas embolization of liver cancer: Take the sterilized storage bag 3 and the release mechanism, connect the input tube 2 to the gas source and introduce 100-200 ml of carbon dioxide gas into the storage bag, close the switch 1 on the input tube 2, and use the syringe 6 to first The carbon dioxide gas embolic agent in the storage bag 3 is sucked into the syringe 6, and then the syringe is pushed. Due to the action of the one-way valve, the first one-way valve 5 is automatically opened during suction, while the second one-way valve 7 and the third one-way valve are automatically opened. The check valve 10 is automatically in a closed state, and the gas in the storage bag 3 is sucked into the syringe 6. When the syringe 6 is pushed, the first check valve 5 will be automatically closed, and the second check valve 7 and the third check valve The valve 10 will automatically open, and the gas in the syringe 6 is charged into the release mechanism and discharged through ...

Embodiment approach 2

[0023] Uterine fibroids vascular gas embolization: take the sterilized storage bag 3 and the release mechanism, connect the input tube 2 to the gas source and introduce 100-200 ml of carbon dioxide gas into the storage bag 3, close the switch 1 on the input tube 2, and pass the syringe 6 First, the carbon dioxide gas embolic agent in the storage bag 3 is sucked into the syringe 6, and then the syringe 6 is pushed. Due to the action of the one-way valve, the first one-way valve 5 is automatically opened during suction, while the second one-way valve 7 and The third one-way valve 10 is automatically in a closed state, and the gas in the storage bag 3 is sucked into the syringe 6. When the syringe 6 is pushed, the first one-way valve 5 is automatically closed, and the second one-way valve 7 and the first one-way valve 5 are automatically closed. The three-way valve 10 will automatically open, and the gas in the syringe 6 is charged into the release mechanism and discharged through...

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PUM

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Abstract

A vascular blocker for effectively cutting off the blood supplying channel to target tissue is a gas-state substance which is CO2 or the mixture of CO2 and O2 able to be absorbed by blood. Its storage and release equipment is also disclosed. Its advantages are no hypersensitivity, no kidney poisoning, and high blocking effect.

Description

technical field [0001] The invention relates to a vascular embolizing agent and a medical device for releasing the vascular embolic agent, in particular to a tumor vascular embolizing agent and a storage and releasing device thereof. Background technique [0002] Transcatheter interventional embolization has been widely used in the treatment of various diseases, such as various tumors, hemangioma, hemorrhage, and hypersplenism. At present, the embolic agents used in clinical embolization therapy are divided into three categories: short-acting, intermediate-acting and permanent. Short-acting embolic agents generally use autologous blood clots and tissues; intermediate-acting embolic agents generally use gelatin sponge and oxidized cellulose. The above two embolizing agents are solid materials, and are absorbed within a certain period of time, so that the originally blocked blood vessels can be recanalized. Permanent embolic agents cannot be absorbed by the body, such as sol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61L17/00A61B17/12A61K9/02A61M31/00A61J1/00A61J1/05A61J1/20A61M1/02
CPCA61J1/10A61J1/2096A61M2202/0208A61M2202/0275A61M2202/0225A61M1/0281
Inventor 董永华
Owner 董永华
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