Vascular interventional therapy puncture tract expansion device

Abstract

The invention relates to the technical field of medical instruments, in particular to a vascular interventional therapy puncture tract expansion device. The vascular interventional therapy puncture tract expansion device comprises a needle tube and a bandage. Due to the reasons of a puncture technology, local dissection and the like in interventional therapy, puncture cannot be successfully carried out at a time, repeated puncture operations can aggravate the probability of damage to local tissues and puncture injury to blood vessels, and the body posture actions of a patient in the puncture process can influence the stability of puncture operation of medical staff, and the risk of additional injury to the tissue of the patient is increased; therefore, through an adjustable buckle belt arranged on the bandage, an arc-shaped fish skeleton at the end of the buckle belt is clamped in a staggered mode, the needle tube for puncturing is limited in the fish skeleton in cooperation with supporting of a bracket; and meanwhile, the influence of postures and actions of the patient on the stability of the needle tube during puncturing is reduced through the elastic effect of the bandage and the buckle belt, therefore, the application effect of the vascular interventional therapy puncture channel expansion device is improved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a puncture tract expansion device for blood vessel interventional treatment. Background technique [0002] Interventional therapy is an emerging technology that integrates imaging diagnosis and clinical treatment. Under the guidance and monitoring of imaging equipment such as digital subtraction angiography, CT, ultrasound, and magnetic resonance, it uses puncture needles, catheters, and other interventional equipment to introduce specific instruments into human lesions through natural orifices or tiny wounds. The general term for a series of techniques for minimally invasive treatment of the site; the method of interventional treatment is mainly carried out by the expansion of the puncture tract, especially when performing multiple puncture to expansion operations, the guide wire is used to ensure the guidance of multiple puncture catheters. [0003] In the process of u...

AI Technical Summary

Problems solved by technology

[0003] In the process of using the puncture tract expansion device, the puncture of the lumbar spine may damage the body tissues and nerves of the blood vessels, and the needle holes in the dura mater may cause cerebrospinal fluid to leak and accumulate in the epidural. Stimulate the nerve root and cause low back pain, and in actual operation, due to technical and local anatomical reasons, it is often impossible to puncture successfully at one time. Repeated puncture operations will aggravate local tissue damage and puncture blood vessels. probability

[0004] When the medical staff performs the puncture operation, the movement of the patient's body posture will cause the puncture needle to move relative to the patient's body, which will affect the stability of the medical staff's puncture operation and increase the risk of additional damage to the patient's tissue

[0005] For example, a Chinese patent with the application number CN202010257844.X discloses a safe puncture tract expansion device for intravascular interventional therapy, which includes a rectangular frame, the bottom of which is fixedly connected to a rectangular airbag, and the two rectangular frames are connected to each other. One side of the back is fixedly connected with an air box, the opposite side of the two air boxes is fixedly connected with a connecting pipe, the inside of the air box is slidably connected with a pusher plate, and the top of the deflection rod is connected with a linkage The air box is fixedly connected to the end of the ventilation pipe away from the air spring, the bottom of the ventilation pipe is interspersed with an air blocking plate, and the bottom of the ventilation pipe is interspersed with an air leakage rod on the right side of the air blocking plate. A magnetic block is arranged below the force measuring rod, and a pressure rod is slidably connected to the bottom of the magnetic force block. The safe puncture tract expansion device for intravascular interventional therapy is used in cooperation with the air spring and the force measuring rod to achieve It achieves the effect of automatically adjusting the expansion force and preventing blood vessel damage during vasoconstriction; however, this technical solution considers the changes in the vascular state caused by the patient's nervousness during treatment, and local anesthesia can reduce the tension of the nervous system during treatment. Emotional fluctuations affect the state of blood vessels at the puncture site, which limits the effect of the technical solution

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