JP2001078967A - Probe cover, ear type clinical thermometer probe attaching it, and attachment/detachment device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of components of the probe cover and surely fix it to the probe by providing one or more recess parts or projection parts locked to a lock part provided on the surface of the probe in the inside face of the side part. SOLUTION: When a probe 52 is inserted into a probe cover 1, a lock part 103 provided on the surface of the probe 52 and a projection provided in the inside face of the side part 13 of the probe cover 1 are surely secured. That is to say, according to the shape of the lock part 103 provided on the surface of the probe 52, at lease one or more projections are provided in the inside face of the side part 13 of the probe cover 1. Such constitution can increase the elastic force of the projection part provided in the inside face of the side part 13 of the probe cover 1 and surly fix the probe cover 1 to the probe 52. Among the materials of the probe cover 1 are polymer resin materials such as silicone resin having sufficient strength such as polyethylene.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermometer having an infrared sensor, and more particularly, to a probe of an ear thermometer which is inserted into an ear cavity to measure the temperature of a human body, a probe cover attached to the probe, and a probe and a probe cover. With respect to a detachable structure.

[0002]

2. Description of the Related Art Conventionally, in the field of human body temperature measurement, infrared radiation from the human body, especially, Ear thermometers, such as thermopile type, pyroelectric type, and bolometer type, which are excellent in thermal response and are used for infrared radiation from the eardrum, are widely used. These ear-type thermometers have a built-in infrared sensor at the tip, insert the tip (hereinafter referred to as a probe) into the external auditory canal, detect the infrared radiation emitted from the eardrum, and measure the human body temperature. Can be measured. Where the probe is the human body,
In many cases, since it is inserted directly into the ear cavity, in use, it necessarily comes into contact with the inside of the ear cavity. However, the ear thermometer of the usage mode set for general use has pointed out a hygienic problem due to the probe coming into contact with the external ear cavities of a plurality of subjects. In response to such problems, many of the ear thermometers used for general purposes include:
Disposable probe covers that have been fitted over the probe have been used.

FIG. 7A is a perspective view showing a structure of an integral cover for a hollow probe (hereinafter referred to as a probe cover) disclosed in Japanese Patent Publication No. 6-42872 as an example of a conventional probe cover. FIG. 7B shows FIG.
It is sectional drawing in DD 'of (a). As shown in FIG. 7A, the probe cover 1 has an annular base ring 21 for fixing the probe cover 1 to a probe (not shown) and an inner periphery of the base ring 21 is opened. One end is formed integrally with a hollow-structured main body 10. At the other end of the main body 10, a substantially circular tip 11 is formed.
Is constituted by a side portion 22 having a shape in which the distal end portion 11 having a diameter smaller than the diameter of the base ring 21 and the base ring 21 are connected, and the distal end portion 11. Also,
In order to allow the infrared radiation radiated from the eardrum to efficiently reach the infrared sensor in the probe, a polymer material having a high infrared transmittance has been applied as the material of the distal end portion 11 and the side portion 13 of the probe cover 1. Here, Tokuhei 6-42
FIG. 8 is a perspective view showing a configuration in which the probe cover disclosed in JP-A-872 is attached to a probe of an ear thermometer. As shown in FIG. 8, the ear thermometer 50 includes a thermometer main body 51 and a probe 52 provided at the tip thereof. The shape of the probe 52 is substantially frustum-shaped, and the base 52a of the probe 52 and the tip 52b of the probe 52 are substantially circular. Also, the base 52a
Is set to be larger than the periphery of the tip portion 52b. Further, the base ring 21 is formed to have a predetermined thickness in order to securely hold the probe cover 1 to the probe 52. With this configuration, when the probe cover 1 is attached to the probe 52, that is, when the probe 52 is inserted into the base ring side 21 of the probe cover 1, the inner surface of the base ring 21 is pressed against the surface of the probe 52 and the probe cover 1 is 52.

[0004] In order to more reliably attach the probe cover to the probe, there has been a form in which an annular member is separately provided and the probe cover is attached to the probe. A conventional ear thermometer having such a configuration and a probe cover attached to a probe of the ear thermometer will be described below with reference to FIG. As shown in FIG.
Numeral 0 is composed of a thermometer main body 51 and a probe 52 provided at the tip thereof. The shape of the probe 52 is substantially frustum-shaped, and the base 52a of the probe 52 and the tip 52b of the probe 52 are substantially circular. Further, the periphery of the base 52a is set to be larger than the periphery of the tip 52b. Further, a number of grooves are provided on the peripheral edge of the base 52a in parallel with the peripheral edge, and an annular stopper 53 having an inner surface threaded with the groove is provided on the base 52a.
In addition, the base ring 21 is sandwiched and fixed.

[0005]

However, the above-described probe cover has the following problems. In a conventional probe cover, a structure for securely holding the probe cover to the probe is provided at one end of the main body, that is, at the base, an example of which is a base ring formed integrally with the base. is there. According to such a configuration,
In order to securely attach the probe cover to the probe, it is necessary to set the base ring to a predetermined thickness so that the base ring has a predetermined strength. Also, the inner diameter of the base ring is set within a range that is larger than the diameter of the infrared transmission window of the probe and smaller than the diameter of the base of the probe, and that the accuracy error is within a predetermined range. We needed to design. Furthermore, even in a form in which the stopper and the base are fixed so as to sandwich the base ring by using an annular stopper or the like, the number of components increases, and it is not ignored that the manufacturing process becomes complicated. could not.

The present invention has been made in view of the above-mentioned problems in the prior art, and provides a probe cover having a small number of parts and capable of being securely fixed to the probe, and a detachable structure of the probe and the probe cover. The purpose is to do.

[0007]

According to a first aspect of the present invention, there is provided a probe cover provided with a concave portion or a convex portion which is locked by a locking portion provided on a surface of a probe. One or more are provided on the inner surface of the side part.

The use of a member having an appropriate strength at the opening of the probe cover by providing at least one concave or convex portion on the inner surface of the side portion to be locked by the locking portion provided on the surface of the probe. And the probe cover can be securely fixed to the probe.

A probe cover according to a second aspect of the present invention provided to solve the above-mentioned problem is characterized in that a concave portion or a convex portion is formed continuously.

[0010] The continuous formation of the concave portion or the convex portion generates a stronger fitting force between the probe and the probe cover, and a reliable covering mechanism is generated between the probe cover and the probe.

[0011] A probe cover according to a third aspect of the present invention provided to solve the above-mentioned problem is characterized in that a concave portion or a convex portion is formed discontinuously.

Since the concave or convex portions are formed discontinuously, the probe cover can be smoothly covered with the probe without generating unnecessary fitting force between the surface of the probe and the inner surface of the probe cover. Can be done.

[0013] A probe cover according to a fourth aspect of the present invention, which is provided to solve the above-mentioned problem, is characterized in that a concave portion or a convex portion is provided with one or more discontinuous portions.

By providing one or more discontinuous portions in the concave or convex portion, the contact area between the concave or convex portion and the surface of the probe is increased, that is, the locking strength between the inner surface of the probe cover and the surface of the probe is increased. As a result, the probe cover can be securely attached to the probe.

A probe cover according to a fifth aspect of the present invention provided to solve the above-mentioned problem is characterized in that a concave portion or a convex portion is provided in an annular shape.

The provision of the concave portion or the convex portion in an annular shape allows the probe cover to be securely mounted on the probe.

A probe cover according to a sixth aspect of the present invention, which is provided to solve the above problem, is characterized in that the concave portion or the convex portion is provided on at least one circumference having the same axis as the periphery of the base. And

By providing the concave portion or the convex portion on one or more circumferences having the same axis as the peripheral edge of the base, the main body of the probe cover can be more firmly fixed to the probe.

A probe cover according to a seventh aspect of the present invention provided to solve the above-mentioned problem is characterized in that a concave portion or a convex portion is provided in an eccentric shape.

By providing the concave portion or the convex portion with an eccentric shape, the probe inserted into the hollow portion of the probe cover can be held in a wide area.

The probe cover according to the eighth aspect of the present invention, which is provided to solve the above problem, has an eccentric shape in which the center of the maximum diameter of the inner surface and the center of the maximum diameter of the surface at an arbitrary position are different. It is characterized in that the shape is set.

The eccentric shape is a shape in which the center of the maximum diameter of the inner surface and the center of the maximum diameter of the surface at an arbitrary position are set at different positions, so that the probe locking portion and the probe are inserted. It can be divided into parts that make it easier to perform, and it is possible to mount the probe cover smoothly and reliably.

A probe cover according to a ninth invention of the present application, which is provided to solve the above problem, is characterized in that a concave portion or a convex portion is provided in a spiral shape.

By providing the concave portion or the convex portion in a spiral shape, the probe inserted into the hollow portion of the probe cover can be held in a wide area.

According to a tenth aspect of the present invention, there is provided a probe cover provided with a concave portion or a convex portion formed on an outer side surface of the side portion. It is a concave portion or a convex portion formed on the surface.

The concave or convex portion is formed on the inner surface of the side portion by forming the convex portion or concave portion on the outer side surface of the side portion.

A probe cover according to an eleventh aspect of the present invention, which is provided to solve the above-mentioned problem, is characterized in that a tip portion is formed with a uniform thickness.

By forming the tip portion with a uniform thickness, the infrared rays radiated from the eardrum can reach the infrared sensor provided on the probe uniformly.

A probe cover according to a twelfth aspect of the present invention, which is provided to solve the above problem, is characterized in that the side portions are formed with a substantially uniform thickness.

By forming the side portions with a substantially uniform thickness, it is possible to effectively and reliably reach the infrared sensor radiated from the eardrum to the infrared sensor in the probe. That is, it is possible to minimize the variation in the amount of radiation of infrared rays taken in by the infrared sensor.

A probe cover according to a thirteenth aspect of the present invention, which is provided to solve the above problem, is characterized in that a tip portion and a side portion are connected with a curvature.

Since the distal end portion and the side portion are connected with a curvature, when the probe with the probe cover is inserted into the ear cavity, the probe can be used without causing an uncomfortable feeling to the subject. .

[0033] A probe cover according to a fourteenth aspect of the present invention provided to solve the above-mentioned problem is characterized in that the curvature is set within a predetermined range.

By setting the curvature within a predetermined range, it is possible to measure the body temperature without causing the subject to feel more uncomfortable.

A probe cover according to a fifteenth invention of the present application, which is provided to solve the above-mentioned problem, is characterized in that a tip portion and a side portion are integrally formed.

Since the tip and the side are integrally formed, the cost in the process of manufacturing the probe cover can be reduced.

A probe cover according to a sixteenth aspect of the present invention, which is provided to solve the above-mentioned problem, is characterized in that a material of a side portion or a base portion is made of polyethylene.

Since the material of the side portion or the base portion is made of polyethylene, ideal transmission of infrared rays can be realized at the tip portion, and improvement in workability and elasticity can be realized in the side portion.

A probe cover according to a seventeenth aspect of the present invention, which is provided to solve the above problem, is characterized in that a material of a side portion or a base portion is made of silicone resin.

The strength of the probe cover itself can be improved because the material of the side or base is made of silicone resin.

A probe according to an eighteenth aspect of the present invention provided to solve the above-mentioned problem is characterized in that one or more locking portions for fixing a probe cover covered by the probe are provided on a side portion.

Since one or more locking portions for fixing the probe cover to be covered by the probe are provided on one side of the probe, the probe cover can be securely held.

A probe according to a nineteenth aspect of the present invention, which is provided to solve the above-mentioned problem, is characterized in that the shape of the locking portion is concave or convex.

By making the shape of the engaging portion concave or convex, the probe cover can be securely fixed to the probe regardless of the shape of the probe cover.

A probe according to a twentieth aspect of the present invention, which is provided to solve the above problem, is characterized in that the locking portions are provided continuously.

By providing the locking portions continuously, a strong fitting force is generated between the probe and the probe cover, and the probe cover can be more securely fixed to the probe.

The probe according to the twenty-first aspect of the present invention provided to solve the above-mentioned problem is characterized in that the locking portion is provided discontinuously.

By providing the locking portion discontinuously, an unnecessary fitting force is not generated between the surface of the probe and the inner surface of the probe cover, and the probe cover is smoothly covered with the probe. Is possible.

A probe according to a twenty-second invention of the present application provided to solve the above-mentioned problem is characterized in that the locking portion has one or more disconnection portions.

When the locking portion has one or more cut portions, the locking strength between the surface of the probe and the inner surface of the probe cover is increased, and the probe cover can be securely attached to the probe.

A probe according to a twenty-third invention of the present application, which is provided to solve the above-mentioned problem, is characterized in that the locking portion has an annular shape.

By forming the locking portion in an annular shape, the probe cover can be securely attached to the probe.

A probe according to a twenty-fourth aspect of the present invention provided to solve the above-mentioned problem is characterized in that the locking portion is formed on one or more circumferences having the same axis as the periphery of the infrared receiving window or the periphery of the base. It is characterized by being provided.

By providing the locking portion on one or more circumferences having the same axis as the periphery of the infrared receiving window or the periphery of the base, the probe cover can be more firmly held.

A probe according to a twenty-fifth aspect of the present invention provided to solve the above-mentioned problem is characterized in that the locking portion is provided in an eccentric shape.

By providing the locking portion in an eccentric shape, the hollow portion of the probe cover, that is, the inner surface thereof can be held in a wide area.

A probe according to a twenty-sixth aspect of the present invention provided to solve the above-mentioned problem has an eccentric shape in which the center of the outer peripheral edge of the locking portion is different from the center of the peripheral edge of the surface. Features.

The eccentric shape can be divided into a portion for holding the probe cover and a portion for facilitating the covering of the probe cover, because the center of the outer peripheral edge of the locking portion is different from the center of the peripheral edge of the surface. The probe cover can be mounted smoothly and reliably.

A probe according to a twenty-seventh aspect of the present invention provided to solve the above-mentioned problem is characterized in that the locking portion is provided in a spiral shape.

Since the locking portion is provided in a spiral shape, the inner surface of the probe cover can be held in a wide area, and since the locking portion is formed in a regular direction, the probe cover can be detached. Can also be easily performed.

A probe according to a twenty-eighth aspect of the present invention provided to solve the above-mentioned problem is characterized in that a peripheral portion of an infrared receiving window has a predetermined curvature and is connected to a side portion.

The peripheral edge of the infrared receiving window is connected to the side with a predetermined curvature, so that the tip of the thin-film probe cover conforms to the shape of the curved probe,
The measurement of the body temperature can be performed without causing the subject to feel uncomfortable.

In order to solve the above-mentioned problems, the detachable structure of the probe cover and the probe according to the twenty-ninth invention of the present application is provided with a locking portion provided on the surface of the probe, and an inner surface of a side portion of the probe cover. The recesses or projections provided on the base are locked.

The concave portion or the convex portion provided on the inner surface of the side of the probe cover is engaged with the engaging portion provided on the surface of the probe, so that the diameter of the base of the probe cover can be precisely set. The probe cover can be securely attached to the probe without the need for troublesomeness.

[0065] A detachable structure for a probe cover and a probe according to a thirtieth aspect of the present invention provided to solve the above-mentioned problem is characterized in that at least a part of the locking portion has a convex shape.

Since at least a part of the locking portion has a convex shape, it can be detached smoothly with a predetermined margin, that is, can be smoothly attached and detached, and the probe cover can be securely attached to the probe.

The detachable structure of the probe cover and the probe according to the thirty-first invention provided to solve the above-mentioned problem is characterized in that at least a part of the locking portion has a concave shape.

Since at least a part of the locking portion has a concave shape, it can be detached smoothly with a predetermined margin, that is, can be smoothly attached and detached, and the probe cover can be securely attached to the probe.

According to a thirty-second aspect of the present invention, which is provided to solve the above-mentioned problem, in the detachable structure of the probe cover and the probe, the shape of the locking portion is such that a concave portion provided on the inner surface of the side portion of the probe cover or It is characterized in that it has a shape that fits with the projection.

The shape of the locking portion is such that it fits into a concave portion or a convex portion provided on the inner surface of the side portion of the probe cover, so that the probe cover can be more securely attached to the probe.

The attachment / detachment structure for the probe cover and the probe according to the thirty-third invention of the present application, which is provided to solve the above-mentioned problem, is characterized in that the shape of the concave portion or the convex portion provided on the inner surface of the side of the probe cover is the same as the above. It is characterized in that it has a shape that fits with the stop.

The probe cover can be more reliably attached to the probe by forming the shape of the concave portion or the convex portion provided on the inner surface of the side portion of the probe cover so as to be fitted with the locking portion.

[0073]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) Hereinafter, the structure of a probe cover according to a first embodiment of the present invention will be described with reference to the drawings. FIG. 1A is a perspective view showing a structure of a probe cover according to a first embodiment of the present invention, and FIG. 1B is a perspective view of A in FIG.
It is sectional drawing in -A '. As shown in FIG. 1A, a probe cover 1 according to the present invention includes a tip 11,
The base 12 and the side 13 which connects the periphery of the tip 11 and the periphery of the base 12 are integrally formed, and polyethylene is used as a raw material. The tip portion 11 and the base portion 12 are substantially circular, and the diameter of the base portion 12 is set to be larger than the diameter of the tip portion 11. Here, as described above, since the probe cover 1 according to the present invention has some elasticity, the cross section of the distal end portion 11 may have a curvature. The base 12 is formed with an opening 12a smaller than the periphery thereof, so that the probe cover 1 has a hollow structure in which one end is closed. Furthermore, the central part of the surface of the side part 13, that is, the peripheral part of the base part 12 and the tip part 11
The concave portion 102 is positioned parallel to the peripheral edge of the side portion 13.
Is formed in an annular shape on the surface of the. Next, as shown in FIG. 1B, a convex portion 101 formed integrally with the concave portion 102 is formed on the inner surface of the side portion 13.
Are also provided in an annular shape on the inner surface of the side portion 13. That is, the thickness of the side portion 13 is formed uniformly, and the thickness of the side portion 13 at an arbitrary position and the concave portion 102 and the convex portion 10
It is formed so that the thickness at the position where 1 is formed is substantially equal.

The diameter of the tip 11 and the diameter of the opening 12a are set so that the diameter of the probe (not shown) falls within the range between the diameter of the tip 11 and the diameter of the opening 12a. . Here, the inner diameter formed by the group of annular convex parts 101 formed on the inner surface of the side part 13 may be set slightly smaller than the outer diameter of the probe. At this time, the difference between the inner diameter of the annular convex portion 101 and the outer diameter of the probe is set within an allowable range in which the probe can be inserted into the opening 12a. Further, the periphery of the distal end portion 11, that is, the joining region between the distal end portion 11 and the side portion 13 is connected with a predetermined curvature.

Next, a first example of the probe cover according to the present invention will be described.
A method of mounting the probe in the embodiment will be described below with reference to FIGS. FIG. 2 is a perspective view showing a detachable structure of the probe cover according to the present invention and the probe of the ear thermometer. As shown in FIG. 2, the ear thermometer 50 includes a thermometer main body 51 and a probe 52 provided at the tip thereof. The shape of the probe 52 is substantially frustum-shaped, and the base 52a of the probe 52 and the tip 52b of the probe 52 are substantially circular. The periphery of the base 52a is set to be larger than the periphery of the tip 52b. Further, an annular locking portion 103 is provided near the center of the probe 52, and the locking portion 103 has a groove shape with a uniform depth.

The probe cover 1 according to the present invention is mounted so as to cover the probe 52. More specifically, the probe cover 1 is attached in a form in which the probe 52 of the ear thermometer 50 is inserted into a hollow portion of the probe cover 1, that is, the opening 12a. When the probe 52 is inserted into the probe cover 1, the locking portion 103 provided on the surface of the probe 52 and the convex portion (not shown) provided on the inner surface of the side portion 13 of the probe cover 1 are almost fitted, The probe cover 1 is a probe 52
It is securely fixed. Here, it is necessary that the convex portion provided on the inner surface of the side portion 13 of the probe cover 1 be provided in a position corresponding to the locking portion 103 provided on the surface of the probe 52. In addition, in the probe cover according to the present invention, a similar effect can be obtained even if a convex portion is provided on the surface of the probe cover 1 and a concave portion is provided on the inner surface of the side portion 13 of the probe cover 1. At this time, the shape of the locking portion 103 provided on the surface of the probe 52 described above may be an annular protrusion so as to fit with the convex portion or the concave portion provided on the inner surface of the side portion 13 of the probe cover 1. Good. That is, in the probe cover according to the present invention, at least one or more protrusions may be provided on at least the inner surface of the side portion 13 of the probe cover 1 according to the shape of the locking portion 103 provided on the surface of the probe 52. . With such a configuration, the elastic force of the protrusion provided on the inner surface of the side portion 13 of the probe cover 1 increases, and the probe cover 1 can be securely fixed to the probe 52. Further, a plurality of single closed annular concave or convex portions may be provided on the inner surface of the side portion 13 of the probe cover 1. Further, the material of the probe cover 1 is not limited to polyethylene, but may be a polymer material such as silicone resin having sufficient strength. Also in this case, it is necessary that the distal end portion 11 of the probe cover 1 has a structure capable of transmitting at least infrared rays sufficiently. For example, the tip portion 11 is made of a polymer material that sufficiently transmits infrared rays, and the side portion 13 is made of a polymer material such as a silicone resin whose concave portions and convex portions have a sufficient elasticity with respect to the probe 52. It is also possible to select.

(Embodiment 2) A probe cover according to a second embodiment of the present invention will be described below with reference to the drawings. However, a description of the same configuration as the above-described first embodiment of the present invention and the structure for attaching and detaching the probe cover and the probe will be omitted. FIG. 3 (a)
FIG. 3 is a perspective view showing a structure of a probe cover according to a second embodiment of the present invention, and FIG.
13 is a sectional view taken along the line BB ′ in FIG. As shown in FIG. 3, the surface of the side portion 13 of the probe cover 1 is provided with a convex portion 101 in a spiral shape. Here, the protrusion 101
May not be formed uniformly. As shown in FIG. 3B, the inner surface of the side portion 13 of the probe cover 1 has a concave portion 102 at a position on the back side where the convex portion 101 is formed so that the thickness of the side portion 13 is uniform. Is provided. As described above, a spiral concave portion is provided on the inner surface of the side portion 13 of the probe cover 1, and the concave portion is provided on the surface of the side portion 13 so that the thickness of the side portion 13 is uniform. A projection may be provided on the back side of the set position. Next, an attachment / detachment structure of the probe cover and the probe according to the present invention will be described below with reference to FIG. FIG. 4 is a perspective view showing the structure of the second embodiment of the mounting / detaching structure of the probe cover and the probe according to the present invention. As shown in FIG.
On the surface of c, a locking portion having a similar shape is formed at a position corresponding to the spiral concave portion 102 provided on the inner surface of the side portion 13 of the probe cover 1 when the probe cover 1 is mounted on the probe 52. 103 is provided. Here, the convex portion provided on the surface of the side portion of the probe 52 may not have the same shape as the concave portion 102 provided on the inner surface of the side portion 13 of the probe cover 1. That is, the probe 52
The shape of the locking portion 103 provided on the surface of the side portion 52 c may be at least a shape that securely holds the probe cover 1.

Embodiment 3 A probe and probe cover according to a third embodiment of the present invention will be described below with reference to the drawings. However, a description of the same configuration as that of the first embodiment according to the present invention and a method of attaching the probe to the probe will be omitted. FIG. 5A is a perspective view illustrating a structure of a probe cover according to a third embodiment of the present invention, and FIG. 5B is a cross-sectional view taken along the line CC ′ in FIG. 5A. As shown in FIG. 5A, a plurality of recesses 102 are provided on the surface of the side portion 13 of the probe cover 1.
Are formed parallel and discontinuous to the surface of the distal end portion 11 and the surface of the base portion 12, respectively. That is, the plurality of recesses 1
Numeral 02 is not provided in a ring shape on the surface of the side portion 13, and each of the concave portions 102 is provided in an eccentric structure, for example, in a mode of substantially half a circumference of the surface of the side portion 13. Also, as shown in FIG. 4B, a convex portion 101 is provided on the inner surface of the side portion 13 of the probe cover 1 corresponding to the position where the concave portion 102 is formed. That is, the convex portion 101 is formed by uniformly molding the thickness of the side portion 13. With such a configuration, manufacturing labor required for positioning the locking portion 103 provided on the surface of the side portion 52c of the probe 52 and the convex portion 101 provided on the inner surface of the side portion 13 of the probe cover 1 is required. Can be reduced.

Next, the detachable structure of the probe and the probe cover according to the third embodiment of the present invention will be described with reference to FIG.
This will be described below with reference to FIG. FIG. 6 is a perspective view showing the structure of a third embodiment of the mounting / detaching structure of the probe cover and the probe according to the present invention. As shown in FIG.
The probe cover 1 when the probe cover 1 is mounted on the probe 52 is provided on the surface of the side portion 52 c of the probe 52.
An engaging portion 103 having a similar shape and projecting is provided at a position corresponding to the convex portion 101 provided on the inner surface of the side portion 13. With such a configuration, the side portion 52 of the probe 52
The protrusions 101 provided on the inner surface of the side portion 13 of the probe cover 1 abut on the protruding locking portion 103 provided on the probe cover 1 c, and the probe cover 1 is attached to the probe 52 by the elastic force of the protrusion 101. In contrast, it is held more reliably. Here, the protruding locking portion 103 provided on the surface of the side portion 52 c of the probe 52 does not have to have the same shape as the concave portion 102 provided on the inner surface of the side portion 13 of the probe cover 1. That is, the shape of the protruding locking portion 103 provided on the surface of the side portion 52c of the probe 52 only needs to have at least a shape that securely holds the probe cover 1, so that the inner surface of the side portion 13 of the probe cover 1 Provided convex portion 101 and side portion 52c of probe 52
Need not be positioned so that the protruding locking portion 103 provided in the abutment comes into contact with the locking portion 103.

[0080]

As described above, according to the probe cover and the probe according to the present invention, there is no need to provide a separate member for providing a mechanism for detachably fixing the probe cover, thereby reducing the manufacturing burden. Can. Also, in manufacturing the base, rather than forming a base ring or the like by requiring precise design technology, by providing a locking portion, a concave portion or a convex portion on the side of the probe and the side of the probe cover,
The manufacturing process can be simplified, and the probe cover can be securely attached to and fixed to the probe.

[0081]

[Brief description of the drawings]

FIG. 1 is a perspective view and a sectional view showing a structure of a probe cover according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a detachable structure of a probe cover and a probe according to the first embodiment of the present invention.

FIG. 3 is a perspective view and a sectional view showing a structure of a probe cover according to a second embodiment of the present invention.

FIG. 4 is a perspective view showing a detachable structure of a probe cover and a probe according to a second embodiment of the present invention.

FIG. 5 is a perspective view and a sectional view showing a structure of a probe cover according to a third embodiment of the present invention.

FIG. 6 is a perspective view showing a detachable structure of a probe cover and a probe according to a third embodiment of the present invention.

FIG. 7 is a perspective view and a sectional view showing the structure of a conventional probe cover.

FIG. 8 is a perspective view showing a configuration of a conventional probe cover and an ear thermometer to which the probe cover is attached.

FIG. 9 is a perspective view showing a configuration of a conventional probe cover and an ear thermometer to which the probe cover is attached.

[Explanation of symbols]

 1. Probe cover 10. Main body 11. Tip 12. Base 13. Side part 21. Base ring 50. Ear thermometer 51. Thermometer main body 52. Probe 53. Stopper 101. Convex part 102. Recess 103. Locking part

Claims (33)

[Claims] An infrared sensor for detecting infrared rays emitted from an eardrum is built-in, and a probe of an ear thermometer provided with a locking portion on its surface is covered, locked by the locking portion and opened. A concave or convex portion having a base portion and a tip portion through which infrared light can be transmitted, a side portion being continuously formed between the tip portion and the base portion, and an inner surface of the side portion being locked by the locking portion; A probe cover, wherein at least one is provided. 2. The probe cover according to claim 1, wherein the concave portion or the convex portion is formed continuously. 3. The probe cover according to claim 1, wherein the concave portion or the convex portion is formed discontinuously. 4. The probe cover according to claim 1, wherein the concave or convex portion is provided with one or more discontinuous portions. 5. The probe cover according to claim 1, wherein the concave portion or the convex portion is arranged in an annular shape. 6. The probe cover according to claim 1, wherein the concave portion or the convex portion is provided on at least one circumference having the same axis as the periphery of the base. . 7. The probe cover according to claim 1, wherein the concave portion or the convex portion is provided in an eccentric shape. 8. The eccentric shape according to claim 7, wherein the center of the maximum diameter of the inner surface and the center of the maximum diameter of the surface at an arbitrary position are set at different positions. Probe cover. 9. The probe cover according to claim 1, wherein the concave portion or the convex portion is provided in a spiral shape. 10. The concave portion or the convex portion is formed on the inner surface of the side portion by forming the convex portion or the concave portion on the outer side surface of the side portion. The probe cover according to any one of claims 1 to 9. 11. The probe cover according to claim 1, wherein the tip is formed with a uniform thickness. 12. The probe cover according to claim 1, wherein the side portions are formed with a substantially uniform thickness. 13. The probe cover according to claim 1, wherein the tip and the side are connected with a curvature. 14. The probe cover according to claim 13, wherein said curvature is set within a predetermined range. 15. The probe cover according to claim 1, wherein the tip portion and the side portion are integrally formed. 16. The probe cover according to claim 1, wherein the side and the base are made of polyethylene. 17. The probe cover according to claim 1, wherein the side portion and the base portion are made of a silicone resin. 18. An infrared light receiving window which is provided at an end of an ear thermometer and takes in infrared radiation radiated from an eardrum, a base formed at an end of the ear thermometer, and an infrared light receiving window and a base. A probe comprising a side portion formed continuously between the side portions, wherein one or more locking portions for fixing a probe cover covered by the probe are provided on the side portion. 19. The probe according to claim 18, wherein the shape of the locking portion is concave or convex. 20. The probe according to claim 18, wherein the locking portion is provided continuously. 21. The probe according to claim 18, wherein the locking portion is provided discontinuously. 22. The probe according to claim 18, wherein the locking portion has one or more disconnection portions. 23. The probe according to claim 18, wherein the locking portion has an annular shape. 24. The apparatus according to claim 18, wherein the locking portion is provided on at least one circumference having the same axis as the periphery of the infrared receiving window or the periphery of the base. The probe according to 1. 25. The probe according to claim 18, wherein the locking portion is provided in an eccentric shape. 26. The probe according to claim 25, wherein the eccentric shape is a position where the center of the outer peripheral edge of the locking portion and the center of the peripheral edge of the surface are different. 27. The probe according to claim 18, wherein the locking portion is provided in a spiral shape. 28. The infrared light receiving window according to claim 1, wherein a peripheral portion of the infrared receiving window has a predetermined curvature and is connected to a side portion.
The probe according to any one of claims 8 to 27. 29. An attaching / detaching structure of a probe of an ear thermometer and a probe cover in which a probe cover having a hollow structure whose one end is opened is provided with a locking portion on a surface of a side portion of the probe. A detachable structure between a probe and a probe cover, wherein a concave portion or a convex portion provided on an inner surface of a side portion of the probe cover is engaged with the engaging portion. 30. A detachable structure for a probe and a probe cover according to claim 29, wherein at least a part of said locking portion has a convex shape. 31. The detachable structure between a probe and a probe cover according to claim 29, wherein at least a part of the locking portion has a concave shape. 32. The device according to claim 29, wherein the shape of the locking portion is such that it fits into a concave portion or a convex portion provided on an inner surface of a side portion of the probe cover. The detachable structure of the probe and the probe cover described in 1. 33. The method according to claim 29, wherein the shape of the concave portion or the convex portion provided on the inner surface of the side portion of the probe cover has a shape fitting with the locking portion. A detachable structure between the described probe and the probe cover.