Patent EP0003470A2 successfully refreshed from Google Patents.
EP0003470A2
Expired / Lapsed
EP
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Saliva ejector
Assignee: ORSING Inc
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Filing: 1979-01-24
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Granted: —
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Expires: 1999-01-24
Abstract
Abstract A saliva ejector comprising a suction tube (10,11) which can be bent to different forms. The inlet end portion of the tube is formed with a series of through openings (14, 15) in the tube wall and is double-folded with the openings facing each other and with the fold parts engaging each other. The tube is flattened at the fold proper.
Inventors
- 👤 John Harry Orsing
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 04:17
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/06; A61C17/08
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
104 words
Saliva ejector comprising a suction tube (10, 11) which can be bent to different forms and is adapted to be connected to a suction hose at one end (12) thereof, an inlet opening (14, 15) being provided at the other end (13) of said tube, characterized in that an end portion of the tube (10, 11) at said other end (13), such portion being formed with a series of through openings (14, 15) in the tube wall, is double-folded with the openings (14, 15) facing each other and with the fold parts engaging each other, the tube (10, 11) being flattened at the fold.
Claim 2
Dependent Claim
104 words
Saliva ejector comprising a suction tube (10, 11) which can be bent to different forms and is adapted to be connected to a suction hose at one end (12) thereof, an inlet opening (14, 15) being provided at the other end (13) of said tube, characterized in that an end portion of the tube (10, 11) at said other end (13), such portion being formed with a series of through openings (14, 15) in the tube wall, is double-folded with the openings (14, 15) facing each other and with the fold parts engaging each other, the tube (10, 11) being flattened at the fold.
Claim 3
Dependent Claim
38 words
Saliva ejector according to claim 1, characterized in that the tube comprises a hose (10) having a stiffening wire (11) embedded in the hose wall, said wire being located at the outer side of said double-folded end portion.
Claim 4
Dependent Claim
22 words
Saliva ejector according to claim 1 or 2, characterized in that the openings comprise transverse slots (14, 15) in the tube wall.
Claim 5
Dependent Claim
20 words
Saliva ejector according to claim 3, characterized in that the end slots (14) are longer than the intermediate slots (15).
Claim 6
Dependent Claim
46 words
Saliva ejector according to claim 3 or 4, characterized in that said other end (13) of the double-folded portion is adjustable to a desired position in relation to the rest of the tube (10) for controlling false draught through the innermost slot (14) in the hose.
Claim 7
Dependent Claim
32 words
Saliva ejector according to any of claims 1 to 5, characterized in that thin partition walls are arranged between the openings (lt, 15) at least in the region of the fold proper.
Claim 8
Dependent Claim
31 words
Saliva ejector according to any of claims 1 to 6, characterized in that the outermost opening (14) comprises a recess at the edge of the hose at said other end (13).
References Cited (Backward Citations)
No citation records indexed.
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