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EP0572684A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Medical sensor

Assignee: Hewlett Packard GmbH Germany
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Filing: 1992-05-15
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Granted: —
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Expires: 2012-05-15
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Abstract

Abstract A medical sensor for monitoring vital signs, in particular oxygen saturation, consists of flexible carrier means (26) carrying the transmitter (7,16a,16b) and receiver elements (8,17a,17b), and a housing element (27) specifically adapted for application to a part of the human body, such as a finger (32). Flexible carrier (26) may be used with a variety of different housing elements, such that it can be applied to virtually any limb or other part of the human body.

Inventors

  • 👤 Michael Schmidt
  • 👤 Malte Schlüter

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 16:41
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/68; A61B5/6801; A61B5/683; A61B5/6838; A61B5/02; A61B5/024; A61B5/02416; A61B5/02427; A61B5/145; A61B5/1455; A61B5/14551; A61B5/14552; A61B5/6813; A61B5/6814; A61B5/6815; A61B5/6816; A61B5/6825; A61B5/6826; A61B5/6829

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 78 words
Medical sensor for monitoring vital signs, in particular oxygen saturation, of a human being by means of electromagnetic waves transmitted through or reflected by human tissue, said medical sensor comprising: (1.1) flexible carrier means (1,26) carrying at least one transmitter element (7;16a,16b) and one receiver element (8;17a,17b), (1.2) a housing element (27,33,36,40,41,47,53) for application to a part of the human body, and (1.3) connection means (21,22;30,31;37,38;42,43;55a,55b) for connecting said flexible carrier means (1,26) and said housing element (27,33,36,40,41,47,53).
Claim 2
Dependent Claim 46 words
Medical sensor according to claim 1, wherein said flexible carrier means (1,26) includes: (2.1) a flexible layer (6;15) to which the transmitter element (7;16a,16b) and the receiver element (8;17a,17b) is attached, and (2.2) a flexible carrier body prepared for incorporation or mounting of said flexible layer.
Claim 3
Dependent Claim 15 words
Medical sensor according to claim 2, wherein said flexible layer (6;15) is made from polyimide.
Claim 4
Dependent Claim 33 words
Medical sensor according to claim 2, wherein said flexible layer (6;15) carries leads, preferably copper leads (18), for interconnection of said transmitter element (7;16a,16b) and said receiver element (8;17a,17b) with contact pads (19a-19d).
Claim 5
Dependent Claim 63 words
Medical sensor according to claim 2, wherein said flexible carrier body comprises (5.1) a lower body portion (3), (5.2) an upper body portion (2), said lower body portion (3) and said upper body portion (2) being provided with body connection means, respectively, for interconnection of said lower body portion (3) and said upper body portion (2), preferably studs (4) and respective openings (5).
Claim 6
Dependent Claim 27 words
Medical sensor according to claim 5, wherein said lower body portion (3) and/or said upper body portion (2) are manufactured from transparent plastic material, preferably transparent silicone.
Claim 7
Dependent Claim 28 words
Medical sensor according to claim 5, wherein said lower body portion (3) is provided with recesses (10,11) for receiving said transmitter element (7;16a,16b) and said receiver element (8;17a,17b).
Claim 8
Dependent Claim 29 words
Medical sensor according to claim 1, wherein said transmitter element (7;16a,16b) and/or said receiver element (8;17a,17b) are optical elements, preferably a transmitter LED and a receiver photodiode or phototransistor.
Claim 9
Dependent Claim 28 words
Medical sensor according to claim 1, wherein said flexible carrier means (1,26), as well as said housing element (27,33,36,40,41,47,53), include appropriate recesses (21,22;30,31;37,38;42,43;55a,55b) for connection of the same.
Claim 10
Dependent Claim 113 words
Flexible carrier means (1,26) for monitoring vital signs, in particular oxygen saturation, of a human being by means of electromagnetic waves transmitted through or reflected by human tissue, said flexible carrier means (1,26) comprising: (10.1) a flexible carrier body including a lower body portion (3) and an upper body portion (2), (10.2) body connection means for interconnection of said lower body portion and said upper body portion, preferably studs (4) and respective openings (5), (10.3) a flexible layer (6;15) to which at least a transmitter element (7;16a,16b) and at least a receiver element (8;17a,17b) is attached, and (10.4) connection means (21,22;30,31;37,38;42,43;55a,55b) for connecting said flexible carrier means (1,26) with a housing element (27,33,36,40,41,47,53).
Claim 11
Dependent Claim 33 words
Flexible carrier means (1,26) according to claim 10, wherein said lower body portion (3), and/or said upper body portion (2), are manufactured from transparent material, preferably transparent plastic and in particular transparent silicone.
Claim 12
Dependent Claim 24 words
Flexible carrier means (1,26) according to claim 10, wherein said body connection means is plastic material, preferably colored plastic and in particular colored silicone.
Claim 13
Dependent Claim 52 words
Flexible carrier means (1,26) according to claim 12, wherein said lower body portion (3), and/or said upper body portion (2), include at least one recess (13) for injection of said plastic material, said recess (13) not extending along or crossing the optical axes of said transmitter element (7;16a,16b) and said receiver element(8;17a,17b).
Claim 14
Dependent Claim 17 words
Flexible carrier means (1,26) according to claim 10, wherein said flexible layer (6;15) is made from polyimide.
Claim 15
Dependent Claim 35 words
Flexible carrier means (1,26) according to claim 10, wherein said flexible layer (6;15) carries leads, preferably copper leads (18), for interconnection of said transmitter element (7;16a,16b) and said receiver element (8;17a,17b) with contact pads (19a-19d).
Claim 16
Dependent Claim 51 words
Housing element (27,33,36,40,41,47,53) for a medical sensor for monitoring vital signs, in particular oxygen saturation, of a human being, by means of electromagnetic waves transmitted through or reflected by human tissue, said housing element (27,33,36,40,41,47, 53) including connection means (30,31;37,38;42,43;55a,55b) for connecting said housing element (27,33,36,40,41,47,53) with flexible carrier means (1,26).
Claim 17
Dependent Claim 19 words
Housing element (27,33,36,40,41,47,53) according to claim 16, wherein said connection means (30,31;37,38;42,43;55a,55b) are recesses, preferably with elastic side walls.
Claim 18
Dependent Claim 24 words
Housing element (27,33,36,40,41,47,53) according to claim 17, wherein the side walls of said recesses include projections (31a), in order to provide a snap-on connection.
Claim 19
Dependent Claim 18 words
Housing element (27,33,36,40,41,47,53) according to claim 16, wherein said connection means are respective studs or buttons and holes.
Claim 20
Dependent Claim 26 words
Housing element (27,33,36,40,41,47,53) according to claim 16, including a self-contained elastic clip, wherein said connection means (30,31) are provided at the inner surface of said clip.
Claim 21
Dependent Claim 29 words
Housing element (36,40,41,47) according to claim 16, including an elastic clamp, wherein said connection means (37,38;42,43) are provided at the inner surfaces of longitudinal projections of said elastic clamp.
Claim 22
Dependent Claim 20 words
Housing element (36,40,41,47) according to claim 21, comprising an additional hook or projection (45) for application to the human ear.
Claim 23
Dependent Claim 159 words
Method for manufacturing flexible carrier means (1,26) for monitoring vital signs, in particular oxygen saturation, of a human being by means of electromagnetic waves transmitted through or reflected by human tissue, said method comprising the steps of: (23.1) providing a lower body portion (3) and an upper body portion (2) of a flexible carrier body manufactured from transparent material, preferably transparent plastic material and in particular transparent silicone, (23.1.1) said lower body portion (3) and said upper body portion (2) being provided with respective body connection means (4,5), (23.2) providing a flexible layer (6:15) to which a transmitter element (7;16a,16b) and a receiver element (8;17a,17b) are attached, (23.3) introducing said flexible layer (6;15) between the lower body portion (3) and the upper body portion (2) of said flexible carrier body, and (23.4) injecting plastic material, preferably silicone and in particular colored or opaque silicone, in predefined recesses (13) of said lower body portion (3) and/or said upper body portion(2).

References Cited (Backward Citations)

US4865038A Cited
US4987579A Cited
DE3703458A1 Cited
DE8908899U1 Cited
EP0481612A1 Cited

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