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Dilator

The technology of a dilator and a dilator sheet is applied in the field of dilators, which can solve the problems of injuring the patient's anal sphincter, the patient's injury, etc., and achieves the effects of simple use, alleviation of pain, and avoidance of anal fissures.

Active Publication Date: 2011-04-06
TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the doctor pre-expands the anus with his fingers, he often damages the patient's anal sphincter due to excessive force in an instant, causing anal fissure and causing the patient to suffer undue injury.

Method used

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Embodiment Construction

[0029] The present invention discloses a dilator, comprising: a hollow truncated conical guide disk 3, three symmetrically distributed first expansion pieces 1 and three symmetrically distributed second expansion pieces 2; the first expansion piece 1 includes a circular arc The first main body 11 and the first wide side 12 of external peripheral surface structure, the first wide side 12 is connected to the proximal end of the first main body 11, and the bottom of the first wide side 11 is radially provided with a T-shaped first A guide block 14, the outer surface of the guide plate 3 is radially provided with a T-shaped first chute 31 used in conjunction with the first guide block 14, the length of the first guide block 14 is less than the length of the first chute 31, The first guide block 14 is snapped into the first chute 31 and can slide in the first chute 31, and the axis of the first body 11 is parallel to the axis of the guide plate 3; the second expansion piece 2 has an...

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Abstract

The invention discloses a dilator, which comprises a hollow round table-shaped guiding plate and at least two dilating sheets, wherein each dilating sheet comprises a body with an arc-shaped peripheral surface structure and a wide edge dilating outwards; the wide edge is connected to the near end of the body, and the bottom of the wide edge is radially and slidably connected to the outer surface of the guiding plate through a connection mechanism; and the axis of the body of each dilating sheet is parallel to that of the guiding plate, so that the dilator can be in the shrinkage or dilation state selectively. By the dilator, anuses and anal tubes of patients can be dilated gradually and controllably, so that anal fissure is prevented and the pain of the patients is relieved. Simultaneously, in the dilator, anus predilation and anus dilation are integrated, so that products are easy and convenient to use. The dilator can be widely applied to surgical operations.

Description

technical field [0001] The invention relates to a dilator for surgical operations, which belongs to the technical field of medical instruments. Background technique [0002] When performing inspection, diagnosis or surgical treatment in anorectal surgery, it is necessary to stretch the anus first, and then put in other surgical instruments for inspection or treatment. The commonly used surgical instrument for opening the anus is the dilator seat, which includes a cylindrical body and a wide side for applying force at the tail of the body. The rigid cylindrical body can open the anus, and the hollow part in the cylinder is Constitutes the channel for other surgical instruments to enter the patient's body. When in use, slowly insert the body of the dilator seat from the front end to the anus until the anal canal. Since the diameter of the cylindrical body of the dilator seat is usually relatively large (generally more than 30 millimeters), the dilator seat is not easy to ente...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M29/00
Inventor 陈望东孙克展周婧
Owner TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO LTD
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