Medical laser treatment device and method utilizing total reflection induced by radiation

A technology of optical radiation and laser radiation, applied in the field of laser systems, can solve problems such as large probe diameter, reduced bonding between end cap and glass optical fiber, and bulky optical fiber probe
CN102438539AInactive Publication Date: 2012-05-02BIOLITEC UNTERNEHMENSBETEILLIGUNGS II AG
11 Cites 9 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BIOLITEC UNTERNEHMENSBETEILLIGUNGS II AG
Publication Date
2012-05-02
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

A device is provided for improved surgical procedures to remove unwanted or hyperplasic tissue from a patient. In particular, laser ablation, urological treatments, benign prostatic hyperplasia treatments and other applications benefit from the device. Specially prepared optical waveguide tips allow for enhanced irradiation of desired tissues with light sources including laser diodes, bright LEDs or lamps. The refractive indices of the waveguide materials and the surrounding medium are such that a significant fraction of the optical radiation, being transported in the waveguide, is coupled out of the waveguide into the surrounding medium through a peripheral surface at or near the distal end.; The optical radiation is chosen to have an appropriate wavelength and sufficient power density, so that the surrounding medium will be changed in the vicinity of at least a part of the peripheral surface area. The changes of the surrounding medium result in a change of its refractive index such that the optical radiation is redirected. Device is particularly useful for treatments within a patient where entry and / or treatment space is limited / restricted.
Need to check novelty before this filing date? Find Prior Art

Description

[0001] Domestic priority under 35USC 119(e)

[0002] This application claims an invention titled "Medical laser treatment device and method utilizing total reflection induced by radiation" submitted by Wolfgang Neuberger and Walter Cecchetti on April 9, 2009 benefit and priority of U.S. Provisional Application No. 61 / 168,099, which is incorporated herein by reference. technical field

[0003] The present invention relates to a laser system for medical treatment, and in particular, to laser surgery. More specifically, it relates to fiber optic systems and methods for the surgical treatment of various medical conditions, including benign prostatic hyperplasia (BPH). Background technique

[0004] Many medical applications (eg, endoluminal treatment of varicose veins, laser treatment of BPH or hemorrhoids) require treatment of a target tissue area not directly in front of the fiber optic, but to the side. Since many of these therapies must be performed in vivo within an enviro...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More