A tissue clamp for endolumenal local excision of tissue

Abstract

A surgical tissue clamp (1), particularly for endolumenally clamping and invaginating tissue (10) during a polypectomy or excision of a lesion in general, comprises a flexible elongate insertion shaft (4), a handle (3) arranged at a proximal end of the insertion shaft (4), a clamping head (2) arranged at a distal end of the insertion shaft (4) and including a proximal jaw (5) and a distal jaw (6)movable relative to the proximal jaw (5) and configured to cooperate with the proximal jaw (5) for clamping the tissue (10) in a substantially radial orientation with respect to a longitudinal axis (X) of the clamping head (2), an actuating device (8) operatively connected with the proximal and distal jaws (5, 6) and adapted to approximate the jaws and to hold the jaws in a tissue clamping configuration, wherein the proximal and distal jaws have a curved configuration.

Description

technical field [0001] The present invention relates generally to surgical instruments and methods for locally treating polyps, tumors and suspected lesions in the natural lumen of a patient's body. More specifically, the present invention relates to a surgical device capable of infiltrating and retaining tissue sections for partial full-thickness excision of polyps or other diseased tissue by endoscopic surgery. Background technique [0002] The most common surgical treatment for tumors of the natural lumen, such as colon or small bowel cancer, is segmental resection and involves general anesthesia, an incision in the abdomen, removal of the tumor and a length of normal tissue on either side of the tumor. The colon, or bowel, and nearby lymph nodes. Segmentectomy is invasive and therefore the postoperative treatment for the patient is relatively long. [0003] Very early colon or small bowel cancer (tumors in stage 0 and I), or cancerous polyps that have not spread to nea...

AI Technical Summary

Problems solved by technology

While this single-device approach is indeed desirable, it entails considerable instrument expense and makes it impossible to alter the individual steps of polyp or tumor endoscopic management, nor to utilize the Surgical technique (eg, sutures instead of staples to fix tissue, or radiofrequency, needle knife, or ultrasound energy to remove tissue instead of cutting)

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