EP0044019A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Safety device for medical treatment system
Assignee: Olympus Corp
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Filing: 1981-07-07
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Granted: —
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Expires: 2001-07-07
Abstract
Abstract A medical treatment system provided with a safety device which prevents laser beams from being unnecessarily projected on a normal coeliac tissue around an affected coeliac region requiring medical treatment from a laser knife apparatus. When the operator approaches an eyepiece and is at a prescribed distance therefrom, then the safety device removes a mirror from a path of laser beams, enabling laser beams to be brought into a laser knife probe when a foot switch is closed. An infrared ray detector is provided in the eyepiece. When the operator approaches the eyepiece and is at the prescribed distance therefrom, an output signal from the infrared ray detector will be at a prescribed level. As a result, a solenoid controller is actuated to energize a solenoid. The mirror is removed from a path of the laser beams by the energized solenoid. Unless the operator approaches the eyepiece, the mirror remains in the path of laser beams, thereby preventing laser beams from being brought into the laser knife probe.
Inventors
- 👤 Shinichiro Hattori
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 11:25
CPC Classifications
B; B23; B23K; B23K26/00; B23K26/02; B23K26/03; B23K26/032; A; A61; A61B; A61B1/00; A61B1/00163; A61B1/00195; A61B18/00; A61B18/18; A61B18/20; A61B17/00; A61B2017/00973; A61B2018/00636; A61B90/00; A61B90/36
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
182 words
A medical treatment system having a safely device which comprises: a medical optical apparatus (2, 112) which is provided with an eyepiece (6, 120) for observing an affected coeliac region (98, 132) of a patient requiring medical treatment; means (34, 146) for medically treating the specified spot of the affected coeliac region (98, 132); and switch means (58) for energizing said medical treatment means (34, 146); characterized by further comprising: detection means (44, 100, 102) which detects the operator's approach to the eyepiece (6, 120), and sends forth an output signal denoting a distance between the face of the operator (42) and eyepiece (6, 120); judgment means (90) for judging the operator's approach to the eyepiece (6, 120) at a smaller distance than prescribed from an output signal from the detection means (44, 100, 102), and sending forth a medical treatment-enabling signal; and medical (94, 96) treatment-disabling means for normally maintaining the medical treatment means (34, 146) in a disabled state and actuating said medical treatment means (34, 146) only upon receipt of a medical treatment-enabling signal from said judgment means (90).
Claim 2
Dependent Claim
182 words
A medical treatment system having a safely device which comprises: a medical optical apparatus (2, 112) which is provided with an eyepiece (6, 120) for observing an affected coeliac region (98, 132) of a patient requiring medical treatment; means (34, 146) for medically treating the specified spot of the affected coeliac region (98, 132); and switch means (58) for energizing said medical treatment means (34, 146); characterized by further comprising: detection means (44, 100, 102) which detects the operator's approach to the eyepiece (6, 120), and sends forth an output signal denoting a distance between the face of the operator (42) and eyepiece (6, 120); judgment means (90) for judging the operator's approach to the eyepiece (6, 120) at a smaller distance than prescribed from an output signal from the detection means (44, 100, 102), and sending forth a medical treatment-enabling signal; and medical (94, 96) treatment-disabling means for normally maintaining the medical treatment means (34, 146) in a disabled state and actuating said medical treatment means (34, 146) only upon receipt of a medical treatment-enabling signal from said judgment means (90).
Claim 3
Dependent Claim
19 words
The medical treatment system according to claim 1, wherein said medical optical apparatus (2, 112) is an endoscope (2).
Claim 4
Dependent Claim
20 words
The medical treatment system according to claim 1, wherein said medical optical apparatus (2, 112) is an operation microscope (112).
Claim 5
Dependent Claim
45 words
The medical treatment system according to claim 1, wherein the medical treatment means (34, 146) is a laser knife apparatus (34) for projecting laser beams on the specified spot of an affected coeliac region (98, 132) requiring medical treatment thereby to effect the medical treatment.
Claim 6
Dependent Claim
49 words
The medical treatment system according to claim 1, wherein the medical treatment means (34, 146) is a high frequency electric knife apparatus (146) for suppling high frequency current to the specified spot of an affected coeliac region (98, 132) requiring medical treatment thereby to carry out the medical treatment.
Claim 7
Dependent Claim
110 words
The medical treatment system according to claim 1, wherein the medical treatment means (34, 146) is a laser knife apparatus (34) for projecting laser beams on the specified spot of an affected coeliac region (98, 132) requiring medical treatment thereby to effect the medical treatment; and means (94, 96) for disabling the medical treatment means (34, 146) comprises a mirror (60) set in. a path of laser beams sent forth from said laser knife apparatus (34), an attenuator (64) for attenuating laser beams reflected from the mirror (60), and a solenoid (54) energized by a medical treatment-enabling signal to remove the mirror (60) from the path of the laser beams.
Claim 8
Dependent Claim
119 words
The medical treatment system according to claim 1, wherein the medical treatment means (34, 146) is a high frequency electric knife apparatus (146) for suppling high frequency current to the specified spot of an affected coeliac region (98, 132) requiring medical treatment thereby to carry out the medical treatment; and the means for maintaining the medical treatment means (34, 146) in a disabled state comprises a normally open contact (155) provided in said high frequency electric knife apparatus (146) and means (164) for closing the normally open contact in response to the medical treatment-enabling signal, thereby allowing for the impression of high frequency voltage on the affected coeliac region (98, 132) from the high frequency electric knife apparatus (146).
Claim 9
Dependent Claim
30 words
The medical treatment system according to claim 1, wherein the detection means (44, 100, 102) is an infrared ray detector (44) for detecting infrared rays reflected from the operator (42).
Claim 10
Dependent Claim
42 words
The medical treatment system according to claim 1, wherein the detection means (44, 100, 102) includes a light-emitting element (100) for sending forth a light to the operator (42) and a light-receiving.element (102) for detecting a light reflected from the operator (42).
Claim 11
Dependent Claim
73 words
The medical treatment system according to claim 9, wherein said detection means (44, 100, 102) comprises an oscillation circuit (lll) for supplying current modulated at a specified frequency to said light-emitting element (100) and causing said light-emitting element (100) to send forth a light whose intensity has been modulated; and a filter circuit (113) for extracting only a component having a specified frequency from a light signal detected by the light-receiving element (102).
Claim 12
Dependent Claim
22 words
ll. The medical treatment system according to claim 1, wherein said detection means (44, 100, 102) is provided in the eyepiece (6).
References Cited (Backward Citations)
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