US4136683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intracellular temperature measurement
Assignee: GORDON DAVID SKOKIE ILLINOIS
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Filing: 1977-03-09
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Granted: 1979-01-30
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Expires: 1997-03-09
Abstract
Abstract The process comprises introducing minute particles into the interior of the cells. These particles being injected intraveneously while suspended in an appropriate solution are of the size generally having a diameter of approximately 1 micron or less and are of a material with properties such as ferromagnetic, paramagnetic, or diamagnetic. Shortly after being absorbed intracellularly, these particles will assume the same temperature as the respective cells which they have entered. It is a well established principle that the magnetic characteristics of ferromagnetic, paramagnetic, and diamagnetic materials vary as a function of their temperature. By measuring the magnetic characteristics of these particles shortly after they have entered the cell and with proper calibration, an exact determination of the temperature of the particle and therefore of the cell, can be made.
Inventors
- 👤 Robert T. Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:48
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/01; A61B5/05; A61B5/0515; A61B5/06; G; G01; G01K; G01K7/00; G01K7/36; G01K7/38
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
69 words
A process for the measurement of the intracellular temperature of cells within the body comprising: intracellularly injecting into the patient, minute particles capable of magnetic characteristics and of the size less than 1 micron to permit absorbing said minute particles into the cells, determining the magnetic susceptibility of the intracellular particles with magnetic susceptibility measuring equipment and correlating the determined magnetic susceptibility to a corresponding temperature of the particles.
Claim 2
Dependent Claim
69 words
A process for the measurement of the intracellular temperature of cells within the body comprising: intracellularly injecting into the patient, minute particles capable of magnetic characteristics and of the size less than 1 micron to permit absorbing said minute particles into the cells, determining the magnetic susceptibility of the intracellular particles with magnetic susceptibility measuring equipment and correlating the determined magnetic susceptibility to a corresponding temperature of the particles.
Claim 3
Dependent Claim
13 words
The process of claim 1 wherein the particles are ferromagnetic, paramagnetic, or diamagnetic.
Claim 4
Dependent Claim
20 words
The process of claim 1 wherein the particles are selected from the group consisting of ferric hydroxide and iron oxide.
Claim 5
Dependent Claim
28 words
The process of claim 1 including providing a cancer cell seeking agent in a concentration sufficient to combine with and selectively direct the particles to the cancer cell.
Claim 6
Dependent Claim
22 words
The process of claim 1 wherein said particles are selectively directed to specific areas by the use of antigens, antibodies, or enzymes.
Claim 7
Dependent Claim
18 words
The process of claim 1 wherein the determined magnetic susceptibility is incorporated in a three dimensional scanning technique.
Claim 8
Dependent Claim
20 words
The process of claim 6 wherein the determined magnetic susceptibility is computerized and restructured in a three dimensional temperature model.
Claim 9
Dependent Claim
19 words
The process of claim 1 wherein the magnetic susceptibility is determined while a high frequency electro-magnetic field is interrupted.
Claim 10
Dependent Claim
76 words
A process for the measurement of the intracellular temperature of cells within the body comprising: intracellularly injecting into the patient, minute magnetizable particles of the size less than 1 micron, absorbing said minute particles intracellularly into the cells, subjecting the patient to a stationary magnetic field so as to magnetize said particles, measuring the magnetization of the particles, and correlating these measurements to specific magnetic readings which have been calibrated to specific temperatures of the particles.
Claim 11
Dependent Claim
76 words
A process for the measurement of the intracellular temperature of cells within the body comprising: intracellularly injecting into the patient, minute magnetizable particles of the size less than 1 micron, absorbing said minute particles intracellularly into the cells, subjecting the patient to a stationary magnetic field so as to magnetize said particles, measuring the magnetization of the particles, and correlating these measurements to specific magnetic readings which have been calibrated to specific temperatures of the particles.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-29 | 1982-07-31 | 1983-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-29 | 1986-07-31 | 1987-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-29 | 1990-07-31 | 1991-01-30 | $7700.00 | Window Closed / Lapsed |