Cryoablation device applied to cardiac surgery

A surgical and cardiac technology, applied in the field of medical devices, can solve the problems of uncertain ablation effect, poor safety, and inconvenient operation, and achieve the effect of increasing surgical safety, improving accuracy, and preventing accidental injury to surrounding tissues.

Pending Publication Date: 2020-12-29
XIN HUA HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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Problems solved by technology

Cryoablation devices for the heart are also largely limited to cryoballoon catheters, and these cryoablation devices are not suitable for use in cardiac surgery
[0004] 2. The ablation probe of the existing cryoablation device is relatively small, the ablation efficiency is low, and the transmurality, continuity and permanence of the

Method used

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  • Cryoablation device applied to cardiac surgery
  • Cryoablation device applied to cardiac surgery
  • Cryoablation device applied to cardiac surgery

Examples

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Embodiment Construction

[0044] Such as figure 1 As shown, this embodiment provides a cryoablation device for cardiac surgery, including: a cryoablation probe 1 (a special probe suitable for myocardial ablation), an insulating protective sheath 2, a handle 3, a medium supply line 4 and The control system is connected to valve 5 .

[0045] The insulating protective cover 2 and the handle 3 are fixedly connected to each other, and are of a through structure, and the hollow pipe diameter inside can accommodate the passage of the medium supply pipeline 4;

[0046] The medium supply pipeline 4 runs through the entire body of the cryoablation device, its first end passes through the insulating protective sheath 2, and the second end forms an extension of the handle 3;

[0047] The cryoablation probe 1 is installed at the first end of the medium supply pipeline 4;

[0048] Such as Figure 2-4 As shown, the cryoablation probe 1 is composed of an ablation probe contact surface 6 and a medium supply pipeline...

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Abstract

The invention provides a cryoablation device applied to cardiac surgery. The cryoablation device is characterized in that the cryoablation device comprises a cryoablation probe, a cryoablation devicebody, a medium supply pipeline and a connection terminal, wherein the cryoablation device body is of a middle-through structure and comprises a handle part and a sheath part, and the handle part and the sheath part are mutually connected; the medium supply pipeline penetrates through the whole cryoablation device body, the first end of the medium supply pipeline penetrates out of the sheath part,and the second end part of the medium supply pipeline forms a handle part extension segment; the tail end of the first end part is provided with the cryoablation probe, and the tail end of the secondend part is provided with a connection terminal; and the cryoablation probe is provided with a flat acting surface. The equipment is the cryoablation device applied to the cardiac surgery, applicationof an atrial fibrillation cryoablation technology to the cardiac surgery field in China is further prompted, and an atrial fibrillation treatment effect is improved.

Description

technical field [0001] The invention relates to a medical device, in particular to a cryoablation device applied in heart surgery. Background technique [0002] Atrial fibrillation (AF) is one of the most common clinical arrhythmias, and it is also one of the most frequently associated lesions of valvular heart disease, which is extremely harmful. Cryoablation is a new ablation method for the treatment of atrial fibrillation that has been applied in recent years. It has good curative effect and high safety factor, and is increasingly used in ablation of atrial fibrillation in cardiac surgery. However, the cryoablation devices currently used in cardiac surgery are all imported from abroad, which are expensive, and most of the equipment has not been approved for marketing in my country, which seriously restricts the development of atrial fibrillation in cardiac surgery in China. At present, domestic cryoablation devices have the following problems: [0003] 1. Domestically p...

Claims

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Application Information

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IPC IPC(8): A61B18/02
CPCA61B18/02A61B2018/00351A61B2018/00791A61B2018/00964A61B2018/0212A61B2018/0231
Inventor 梅举姜兆磊朱红桢马南汤敏刘浩
Owner XIN HUA HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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