Patent EP0039243A2 successfully refreshed from Google Patents.
EP0039243A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Transcutaneous carbon dioxide measuring assembly
Assignee: Sumitomo Electric Industries Ltd
•
Filing: 1981-04-29
•
Granted: —
•
Expires: 2001-04-29
Abstract
Abstract A transcutaneous carbon dioxide measuring assembly integrally composed of three components, the first component comprising a top cover 24 centrally locating a glass electrode having an H + ion sensitive glass membrane 17 atthe end of a tubular member 18 made of an insulating material, a conductive coating 19 formed on the inner surface ofthe glass membrane 17, an external reference electrode 23 located around the glass electrode and lead wires 14 are connected to the conductive coating 19 and the external reference electrode 23, the second component comprising a heater member 28 which has a heater and a heat sensitive element and the third component comprising a membrane holder25 having a polymer membrane 25 which is CO 2 permeable stretched between the ends thereof, the third component being disposed between the first component and the second component.
Inventors
- 👤 Tamotsu Osaka Works Of Sumitomo Electric Fukai
- 👤 Shinichi Osaka Works Of Sumitomo Electric Ohkawa
- 👤 Junichi Osaka Works Of Sumitomo Electric Hiramoto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 14:59
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/145; A61B5/1491; A61B5/14542; A61B5/1468; A61B5/1477
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
141 words
A transcutaneous carbon dioxide measuring assembly integrally composed of three components, the first component comprising a top cover 24 centrally locating a glass electrode having an H + ion sensitive glass membrane 17 at the end of a tubular member 18 made of an insulating material, a conductive coating 19 formed on the inner surface of the glass membrane 17 an external reference electrode 23 located around the glass electrode and lead wires 14 are connected to the conductive coating 19 and the external reference electrode 23, the second component comprising a heater member 28 which has a heater and a heat sensitive element and the third component comprising a membrane holder 25 having a polymer membrane 25 which is C0 2 permeable stretched between the ends thereof, the third component being disposed between the first component and the second component.
Claim 2
Dependent Claim
141 words
A transcutaneous carbon dioxide measuring assembly integrally composed of three components, the first component comprising a top cover 24 centrally locating a glass electrode having an H + ion sensitive glass membrane 17 at the end of a tubular member 18 made of an insulating material, a conductive coating 19 formed on the inner surface of the glass membrane 17 an external reference electrode 23 located around the glass electrode and lead wires 14 are connected to the conductive coating 19 and the external reference electrode 23, the second component comprising a heater member 28 which has a heater and a heat sensitive element and the third component comprising a membrane holder 25 having a polymer membrane 25 which is C0 2 permeable stretched between the ends thereof, the third component being disposed between the first component and the second component.
Claim 3
Dependent Claim
21 words
A transcutaneous carbon dioxide measuring assembly as claimed in claim 1 wherein the conductive coating 19 is formed from a metal.
Claim 4
Dependent Claim
19 words
A transcutaneous carbon dioxide measuring assembly as claimed in claim 2 wherein the metal is Au, Ag or Pt.
Claim 5
Dependent Claim
22 words
A transcutaneous carbon dioxide measuring assembly as claimed in claim 1 wherein the conductive coating 19 is formed from a metallic salt.
Claim 6
Dependent Claim
36 words
A transcutaneous carbon dioxide measurement assembly as claimed in claim 1 wherein the portion of the lead wire connected to the conductive coating is embedded in silicone rubber or an epoxy resin in the glass electrode.
Claim 7
Dependent Claim
164 words
A transcutaneous carbon dioxide measuring assembly comprising a body 38 provided with a glass electrode having an H + ion sensitive glass membrane 30 at the end of a' tubular member 31 made of an insulating material a conductive coating 32 formed on the inner surface of the glass membrane 30, an external reference electrode 35 located around the circumference of the glass electrode and lead wires 33 attached to the conductive coating 32 and the external reference electrode 35, a membrane holder 41 having a polymer membrane 39 stretched between the ends thereof located around the circumference of the external reference electrode 35 and the assembly being further provided with a heater member 36 comprising a heater 42 and a heat sensitive element 37, the membrane holder 41 being connected to the heater end portion 40 in such a way that the C0 2 permeable polymer membrane 39 of the membrane holder 41 is pressed onto the glass membrane 30 via an electrolyte.
Claim 8
Dependent Claim
164 words
A transcutaneous carbon dioxide measuring assembly comprising a body 38 provided with a glass electrode having an H + ion sensitive glass membrane 30 at the end of a' tubular member 31 made of an insulating material a conductive coating 32 formed on the inner surface of the glass membrane 30, an external reference electrode 35 located around the circumference of the glass electrode and lead wires 33 attached to the conductive coating 32 and the external reference electrode 35, a membrane holder 41 having a polymer membrane 39 stretched between the ends thereof located around the circumference of the external reference electrode 35 and the assembly being further provided with a heater member 36 comprising a heater 42 and a heat sensitive element 37, the membrane holder 41 being connected to the heater end portion 40 in such a way that the C0 2 permeable polymer membrane 39 of the membrane holder 41 is pressed onto the glass membrane 30 via an electrolyte.
Claim 9
Dependent Claim
128 words
A transcutaneous carbon dioxide measuring assembly comprising a glass electrode having an H + ion sensitive glass membrane 45 at the end of a tubular member 46 made of an insulating material, a conductive coating 47 formed on the inner surface of the glass membrane 45, a heater 49 and a heat sensitive element 50 both being disposed inside the glass electrode and being adpated to contact the conductive coating both in thermal and electrical contact, an external reference electrode 52 located around the circumference of the glass electrode, and a membrane holder 55 having a C0 2 permeable polymer membrane 54 stretched between the ends thereof located around the circumference of the reference electrode, the polymer membrane being pressed onto the glass membrane 45 via an electrolyte.
Claim 10
Dependent Claim
128 words
A transcutaneous carbon dioxide measuring assembly comprising a glass electrode having an H + ion sensitive glass membrane 45 at the end of a tubular member 46 made of an insulating material, a conductive coating 47 formed on the inner surface of the glass membrane 45, a heater 49 and a heat sensitive element 50 both being disposed inside the glass electrode and being adpated to contact the conductive coating both in thermal and electrical contact, an external reference electrode 52 located around the circumference of the glass electrode, and a membrane holder 55 having a C0 2 permeable polymer membrane 54 stretched between the ends thereof located around the circumference of the reference electrode, the polymer membrane being pressed onto the glass membrane 45 via an electrolyte.
Claim 11
Dependent Claim
66 words
A trancutaneous C0 2 measuring assembly wherein a conductive coating 59 is formed on the inner surface of a glass electrode having an H ion sensitive glass membrane 57 at the end of a tubular member 58 made of an insulating material, a preamplifier 60 being housed inside the glass electrode and an external reference electrode 63 being located around the circumference of the glass electrode.
Claim 12
Dependent Claim
66 words
A trancutaneous C0 2 measuring assembly wherein a conductive coating 59 is formed on the inner surface of a glass electrode having an H ion sensitive glass membrane 57 at the end of a tubular member 58 made of an insulating material, a preamplifier 60 being housed inside the glass electrode and an external reference electrode 63 being located around the circumference of the glass electrode.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.