Blood vessel sealing and separating device for super fine dissection with spanning function

Abstract

An electric surgical clamp is provided which comprises an end actuator having a first clamp claw component and a second clamp claw component arranged around the longitudinal axis. The first clamp claw component and the second clamp claw component both include a near side part with limited gap therein and a far side part each with a first tissue contact surface and a second tissue contact surface respectively. The far side part of the first clamp claw component and the far side of the second clamp claw component are provided each with a cutting edge at the opposite sides of the first tissue contact surface and the second tissue contact surface. The end actuator is configured to selectively transfer electrical surgical energy between the first tissue contact surface of the first clamp claw component and the second tissue contact surface of the second clamp claw component when it is actuated. At least one of the two clamp claw components can move among the opening position, a first approaching position and a second approaching position relative to another. In the first approaching position, the first tissue contact surface and the second tissue contact surface are almost opposite to each other; in the second approaching position, the first tissue contact surface and the second tissue contact surface are not aligned laterally.

Description

technical field [0001] The present disclosure relates to energy-based surgical instruments, and more particularly, to energy-based surgical forceps configured for manipulating and / or cutting tissue. Background technique [0002] Forceps or hemostats are pincer-like instruments that rely on mechanical action between their jaws to grasp, hold and restrain tissue. Energy-based forceps utilize mechanical grasping action and energy, such as electrosurgical energy, ultrasonic energy, light energy, microwave energy, heat, etc., to achieve hemostasis by heating tissue to coagulate and / or cauterize it. Certain surgical procedures call for simpler cauterization of tissue and rely on a specific combination of clamping pressure, precise energy control, and gap distance (i.e., the distance between opposing jaws when closed around tissue) to "seal" the tissue . Typically, once the tissue is sealed, the surgeon must accurately dissect the tissue along the newly formed tissue seal. Accor...

AI Technical Summary

Problems solved by technology

[0003] However, tissue sealing instruments that include blades and blade pockets are typically single-use devices because the blades and blade pockets can be difficult to clean, and the blades can wear and dull with repeated use

Blade slots in the jaws of a tissue sealing device may reduce the seal strength of the jaws, and the width of the blade slots may increase the width of the jaws, which in turn may result in a reduction in the dissection capability of the tissue sealing device

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