JPH1090070A - Sublingal radiation clinical thermometer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to measure a sublingual temperature instantaneously and precisely by a method wherein a probe in which a waveguide used to guide infrared rays is installed is covered with a thin cover body, the probe is inserted into a part under a tongue and the quantity of the infrared rays is detected from the inner wall of the cover body. SOLUTION: As a blank for a wind tunnel 4, a synthetic resin material having a shape holding property, e.g. polyethylene terephthalate or the like, is used. In the wind tunnel 4, a circumferential protrusion-shaped part which is formed at its based part is fitted to, mounted on and attached to, a circumferential groove-shaped part which is formed at the base part of a probe 2, and the part is inserted into a part under a tongue so as to be brought into close contact with the part so as to wrap the wind tunnel 4 under the tongue. Owing to the shape holding property of the wind tunnel 4, a slight gap is formed between it and the probe 2, and infrared rays can be introduced directly into a waveguide 3 from the inner wall of wind tunnel 4 which is brought into close contact with the part under the tongue. Thereby, a body temperature can be measured instantaneously and precisely, and it can be measured stably without the difference among individuals.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sublingual radiation thermometer for measuring a body temperature by inserting a probe under the tongue.

[0002]

As a sublingual thermometer, there is a thermometer utilizing the thermal expansion of a fluid such as alcohol or mercury. However, the sublingual temperature is susceptible to the outside air temperature. When the mouth is opened, the temperature of the inner surface of the mouth temporarily drops due to the heat of vaporization of saliva, so that it usually takes 5 to 10 minutes to complete the temperature measurement.

On the other hand, an eardrum thermometer using an infrared detector can measure a body temperature in about 2 seconds. However, since the probe must be surely pointed at the eardrum, the orientation of the probe depends on the individual shape of the ear. May be different, and the infrared ray from the eardrum may decrease due to the attachment of the ear fold or the like. In such a case, a stable measurement value may not be obtained.

[0004] The present invention has been made in view of such circumstances,
It is an object of the present invention to provide a sublingual radiation thermometer capable of instantaneously and accurately measuring a body temperature.

[0005]

According to the present invention, means for solving the above-mentioned problems are constituted as follows. That is, according to the first aspect of the present invention, a thin cover body is covered by a probe having a waveguide for guiding infrared rays, and the thin cover body is inserted under the tongue. It is characterized by measuring the sublingual temperature by detecting the amount.

[0006] If infrared radiation radiated from the inner wall of the cover body inserted under the tongue is introduced into the waveguide, accurate measurement of the sublingual temperature can be instantaneously performed without being affected by heat of vaporization.

According to a second aspect of the present invention, in the first aspect of the present invention, the cover body is made of a film material having a shape-retaining property.
It is characterized by being formed so that a slight gap is formed between the probe and the probe.

[0008] Heat loss due to heat of vaporization is achieved by inserting the cover body under the tongue so that the cover body has a shape-retaining property so as to keep a slight gap between the probe and the probe, and the cover body is tightly inserted under the tongue. Sublingual temperature can be measured more accurately from the inner wall of the cover body without being further affected by the above.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a sublingual radiation thermometer of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a main part configuration diagram of the sublingual radiation thermometer, FIG. 2 is a side view of the probe, and FIG. 3 is an overall view showing a state in which the probe is inserted under the tongue. A main body made of a molding material, 2 is a probe, 3 is a waveguide provided inside the probe 2, 4 is a disposable wind tunnel (cover body) which is detachably covered on the probe 2, and 5 is infrared detection. vessel,
6 is an input circuit, 7 is a microcomputer, 8 is a liquid crystal panel, and 9 is a tongue of a human body.

The material of the above-mentioned wind tunnel 4 is 0.2 to
A synthetic resin material having a shape retaining property of about 0.5 mm thickness, for example, P
ET (polyethylene terephthalate) is a suitable material, and is preferably formed so that a slight gap can be maintained between the probe 2 and the probe 2 when the probe 2 is covered (see the solid line in FIG. 2). The probe 2 may have a slightly flat oval cross section or a cylindrical shape so that it can be easily inserted and pinched under the tongue.

The wind tunnel 4 can be easily mounted on the outer periphery by fitting the circumferential projection 41 formed at the base thereof into the circumferential groove 21 formed at the base of the probe 2.
This is inserted under the tongue so as to sandwich it, and the wind tunnel 4 is inserted under the tongue.
If it is tightly wrapped around the body, accurate measurement of body temperature can be instantaneously (about 4 seconds).

In a state where the wind tunnel 4 is closely contacted under the tongue, a slight gap is formed between the wind tunnel 4 and the probe 2 due to its shape preserving property, so that the temperature of the probe 2 itself and the temperature in the oral cavity are reduced. Since infrared rays can be directly introduced into the waveguide 3 from the inner wall of the wind tunnel 4 which is in close contact with the lower part of the tongue without being affected, it is possible to obtain a stable measurement value without variation between individuals. it can.

The wind tunnel 4 may be made of a thinner and more flexible film material, such as a vinyl film or a polyethylene film (see FIG. 4). In this case, the tip 2 of the probe 2 is held in a state where the holding body 42 of the wind tunnel 4 is
The wind tunnel 4 is slightly tensioned by 2 and the tip 22 may be inserted and pinched so as to be pressed directly under the tongue, and the infrared light under the tongue is introduced directly into the waveguide from the inner wall of the tensioned wind tunnel 4. And stable measurement values can be obtained.

[0014]

As described above, according to the sublingual radiation thermometer of the present invention, the probe is covered with a thin cover body, which is inserted under the tongue, and the infrared radiation is measured from the inner wall of the cover body. Since the sublingual temperature is measured by detecting the temperature, accurate measurement of the body temperature can be instantaneously performed without being affected by the heat of vaporization.

[0015] Further, a slight gap is formed between the cover and the probe when the cover made of a film material having a shape-retaining property is covered with the probe.
The cover can be inserted and sandwiched under the tongue so as to be in close contact therewith, and the temperature of the sublingual can be measured more accurately from the inner wall of the cover without being further affected by heat loss due to heat of vaporization.

[Brief description of the drawings]

FIG. 1 is a main part configuration diagram showing one embodiment of a sublingual radiation thermometer of the present invention.

FIG. 2 is a side view of the probe with the cover attached.

FIG. 3 is an overall view of a sublingual radiation thermometer showing a state in which a probe is inserted under the tongue.

FIG. 4 is a side view of a probe of the sublingual radiation thermometer equipped with the different cover body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Main body, 2 ... Probe, 3 ... Waveguide, 4 ... Cover body.

Claims (2)

[Claims] 1. A thin cover body is covered by a probe in which a waveguide for guiding infrared rays is provided, inserted and sandwiched under the tongue, and the amount of infrared rays is detected from the inner wall of the cover body. A sublingual radiation thermometer that measures sublingual temperature. 2. The method according to claim 1, wherein the cover is formed of a film material having shape-retaining properties, and is formed such that a slight gap is formed between the cover and the probe when the cover is covered with the probe. The sublingual radiation thermometer according to claim 1, characterized in that: