JPH02189132A - Probe fitting device of pulse oxymeter - Google Patents

Abstract

PURPOSE:To reduce invasion to an organism at the time of installing a probe by providing a belt-like softening material wound round an organism, a joining portion for joining the softening material like a ring and a holding portion for holding a light emission portion and a photo detector portion in such a manner as to confront with each other through an organism. CONSTITUTION:A probe fitting device of a pulse oxymeter, which is formed by a light emission portion 1 for applying light into an organism S and a photo detector portion for receiving light passed through the organism S, comprises a belt-like softening member 3 wound round the organism S, a joining portion 4 for joining the softening member 3 like a ring, with the softening member 3 wound round the organism, and holding portions 5a, 5c for holding the light emission portion 1 and the photo detector portion 2 on the softening member 3 in such a manner as to confront with each other through the organism S. By this arrangement, it is possible to reduce the chapping of the skin and the organism S, a sense of oppression and feeling of a pain at the time of installing the probe.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a probe attachment device for a pulse oximeter that measures blood oxygen saturation.

[Prior Art] Conventionally, Japanese Patent Application Laid-Open No. 60-34432 discloses a light emitting part that irradiates light into a living body, a light receiving part that receives light from a starting part that has passed through the living body, and a light emitting part and a light receiving part. A pulse oximeter is disclosed which includes a measuring section connected to a probe consisting of a section and a measuring section for measuring blood oxygen saturation. In this conventional example, the probe was attached to the living body by attaching the probe to the skin using double-sided tape.

[Problems to be Solved by the Invention] However, when double-sided tape is attached to the skin, there is a problem that the skin becomes rough, and since the probe protrudes from the skin surface, it is difficult to apply double-sided tape to the skin when external force from bedding etc. is applied. However, there is a problem in that a pressure sensation occurs in the area where the probe is attached, and in some cases, a pain sensation is caused. In particular, when attaching a probe to a newborn baby, the resistance of the skin is weak, so the skin becomes rough, and the pressure and pain sensations are significant, and the conventional technique of attaching the foreign object with double-sided tape was not practical for lateral use. .

The present invention was made in view of these points, and its purpose is to reduce as much as possible the invasion of the living body when attaching a probe in a pulse oximeter that measures blood oxygen saturation. It's about doing.

[Means for Solving the Problems] In the present invention, in order to solve the above problems, the first
As shown in the figure, a light emitting unit 1 that irradiates light into the living body S,
A light receiving unit 2 that receives the light from the light emitting unit 1 that has passed through the living body S
A probe attachment device for a pulse oximeter comprising a measuring section (not shown) that is connected to a probe consisting of a light emitting section 1 and a light receiving section 2 and measures blood oxygen saturation, and is wound around a living body S. A band-shaped relaxation material 3, a joining part 4 that joins the relaxation material 3 in a ring shape with the relaxation material 3 wrapped around the living body S, and the light emitting part 1 and the light receiving part 2 are arranged so that they face each other with the living body S interposed therebetween. The device is characterized in that it includes holding portions 5a and 5c for holding the light emitting portion 1 and the light receiving portion 2 to the relaxation material 3.

[Function] In the present invention, the light emitting part 1 and the light receiving part 2 are held using the band-shaped relaxation material 3 wrapped around the living body S, so that the skin surface of the living body S is covered with the relaxation material. 3, even if an external force is applied from bedding or the like, the part where the light emitting part 1 and the light receiving part 2 are attached will not feel pressured or painful.

In addition, since the relaxation material 3 is wrapped around the living body S, it has a joining part 4 that joins the relaxation material 3 in an annular shape, so that the living body S of any size can be attached without using double-sided tape as in the conventional example. The probe can be attached to the skin, and the skin will not become rough due to the use of the double-sided cheese 1.

[Example] FIG. 1 is a sectional view showing a state in which the probe attachment device of the present invention is attached to a living body S, and FIG. 2 is a sectional view showing a state in which the probe attachment device of the present invention is removed from the living body S. In the figure, 1
2 is a light emitting part, 2 is a light receiving part, and 3 is a band-shaped relaxation material wrapped around the living body S. The relaxation material 3 is made of, for example, a sponge-like material, and is made of a material that is as soft as possible so as not to pressurize the living body S, and that distributes external force evenly, while impairing breathability and moisture permeability as much as possible. Materials used are those that are not found anywhere else. This relaxation material 3 makes it difficult for external forces from bedding etc. to be applied to the skin, and also makes it difficult for internal forces to be applied to other skin. Reference numeral 6 denotes a belt-shaped cloth joined to the surface of the relaxation material 3, and a joint 4 is sewn to one longitudinal end of the belt-like cloth. On one side (lower side in Figure 2) of the joining part 4, there is an engaging hook of a male type (or female type) of a surface fastener commercially available under the trade name of ``Velcro fastener'' or ``Magic fastener''. 41 are planted in large numbers.In addition, a strip of fabric 6
On one surface near the other end in the longitudinal direction (the upper surface in FIG. 2), a female type (or male type) of a sheet fastener that can freely engage and detach from the engaging hook 41 of the joint portion 4 is provided. A large number of hooks 42 are installed. Note that the engagement hook 42 may be provided on the entire surface of the fabric 6.

This type of surface fastener has a first joint surface on which a large number of first engagement hooks are implanted, and a second joint surface on which a large number of second engagement hooks are implanted. When pressed with a pressure of When peeled off, the first joint surface and the second
The bond between the bonding surfaces of the bonding surface is released non-destructively, and the bonding can be repeated and detached.

FIG. 3 is a perspective view showing a state in which the light emitting section 1 and the light receiving section 2 are removed from the probe attachment device of the present invention, and FIG. 4 is a sectional view thereof. In the figure, 5a to 5c are holding parts for the light emitting part 1 or the light receiving part 2, and are made up of a plurality of openings provided along the longitudinal direction of the strip-shaped relaxation material 3 and the cloth 6. 1st
In the figures and FIG. 2, the light emitting part 1 is held in the first holding part 5a, and the light receiving part 2 is held in the second holding part 5c.

In FIG. 1, the instep of a newborn baby's foot is used as a living body S, and the state in which the light emitting section 1 and the light receiving section 2 are attached is not shown.

As shown in the figure, the light emitting section 1 and the light receiving section 2 may be arranged so as to face each other with the living body S interposed therebetween, and the holding sections 5a to 5c may be selected accordingly. Note that the number of holding parts 5a to 5C is not limited to three, and may be two or four or more.

FIG. 5(a) is a perspective view of the light emitting section 1 held by the probe attachment device, and FIG. 5(b) is a perspective view of the light receiving section 2. Further, FIG. 6 is a side view of the light emitting section 1 (or light receiving section 2). The light emitting section 1 includes a main body 11 containing a light emitting element, a pad 12 that contacts the skin surface, and a lead wire 13 connecting the light emitting element to a measuring section (not shown). Further, the light receiving section 2 includes a main body 21 containing a built-in light receiving element,
The pad 22 that contacts the skin surface and the light receiving element are connected to the measuring section (
(not shown).

The shape of the pad 12.22 of the light emitting part 1 and the light receiving part 2 is
It is not limited to the shapes illustrated in Figures (a) and (b), but may be a circular pad as shown in Figure 7(a) or a pad as shown in Figure 7(b). It may also be an oval pad. Further, the side shape of the main body 1121 is not limited to the shape illustrated in FIG. 6, but may have a shape in which the upper part is more swollen than the body, as shown in FIG. 8. In this case, in FIGS. 1 and 2, the pads 12.22 of the light emitting part 1 and the light receiving part 2 and the swollen part of the upper part of the main body 11.21 make the tl Japanese material 3 and the fabric 6 more This ensures that the light emitting section 1 and the light receiving section 2 are tightly sandwiched, making it difficult for the light emitting section 1 and the light receiving section 2 to come off.

When using the light emitting part 1 and the light receiving part 2 having the shape shown in FIG. 8, the holding part 5a having the shape shown in FIG. 9 or 10 is used.
It is particularly suitable to use 5F.

In FIG. 9, the arms 5cl are arranged along the longitudinal direction of the relaxation material 3 so as to connect the holding parts 5a to 5c, which are formed of a plurality of openings provided along the longitudinal direction of the relaxation material 3.

5e, and the opening width of these grooves 5d and 5e is set smaller than the opening diameter of the holding parts 5a to 5c. Further, in FIG. 10, only a groove 5f is provided along the longitudinal direction of the relaxation material 3.

In the former structure, the mounting position can be set not only in the position of the opening, but also by allowing slight positional fluctuations, and in the latter structure, the mounting position can be set at an arbitrary position. Further, in both cases, when attaching the light emitting section 1 and the light receiving section 2, the through holes can be made larger, making the attachment easier.

FIG. 11 shows a holding portion 5g having another structure.

This holding portion 5g is attached to the first magnet 8i attached to the relaxation material 3.
! 31, and a second
The magnetic pole 14 consists of a first magnetic pole 31 and a second magnetic pole 14.
have different polarities. It goes without saying that a plurality of first magnetic poles 31 may be provided along the longitudinal direction of the relaxation material 3, and bush-type snap hooks may be used instead of the first and second magnetic poles 31.14. In either case, if the structure is such that the light emitting part 1 and the light receiving part 2 can rotate relatively freely with respect to the holding part, the light emitting part 1 and the light receiving part 2 can be attached to the body using double-sided tape. Compared to the conventional example in which the lead wires 13 and 23 are attached to the body S, a considerable degree of freedom can be given to the direction in which the lead wires 13 and 23 are pulled out, and even if the living body S turns over, there is little risk that the leads 8113 and 23 will become entangled.

FIG. 12 shows an embodiment in which the upper parts of the light emitting part 1 and the light receiving part 2 are covered with a cover member 7. With a structure like this,
In terms of appearance, it feels less strange than when only the fabric 6 is used. Further, the fabric 6 may have a function as a cover member 7, and in this case, the bonding portion 4 and the fabric 6 can be easily bonded even on the upper part of the light emitting portion 1 and the light receiving portion 2. It can be done. Note that, as in the embodiment shown in FIG.
If the pad of the light-receiving part 2 is made thinner and placed along the relaxation material 3, there will be fewer restrictions on the shape of the pad, and the adhesion to the living body will be higher, allowing it to be applied to any part of the living body. Easy to use.

The joining part 4 may be anything as long as it can be removably joined to the fabric 6, and it will not lie even if it is fastened with a button or glued, and the relaxation material 3 may be made of a material other than sponge. For example, it may be an air bag.

[Effect of the invention 1' By using the probe attachment device of the present invention, in a pulse oximeter that measures blood oxygen saturation, it is possible to reduce the roughness of the skin of the living body and the feeling of pressure and pain when the probe is attached. There is.

In addition, if a magnet is used in the holding part as in the invention as claimed in claim 3, the magnetic therapeutic effect that has become widely recognized in recent years can be obtained to a considerable extent, so that the biological effects caused by long-term wearing of the probe can be improved. A secondary effect is that fatigue can be reduced.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing a probe attachment device according to an embodiment of the present invention attached to a living body, FIG. 2 is a cross-sectional view showing the same probe attachment device removed from a living body, and FIG. A perspective view showing the state in which the light emitting part and the light receiving part are removed from the probe mounting device same as above, FIG. 4 is a sectional view of the same as above, and FIGS. 6 is a side view of the same as above,
FIGS. 7(a) and (b) are perspective views illustrating different structures of the light emitting part or light receiving part used in the present invention, and FIG. 8 is another N4 structure of the light emitting part or light receiving part used in the present invention. 9 and 10 are perspective views illustrating different structures of the relaxation material used in the present invention, and FIG. 11 is a side view illustrating another structure of the holding part used in the present invention. , 12th
The figure is a cross-sectional view of another embodiment of the invention. 1 is a light emitting part, 2 is a light receiving part, 3 is a relaxation material, 4 is a joint part, 5
A to 5c are holding parts, and S is a living body. Figure (a) Figure 6 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12

Claims (4)

[Claims] (1) A light emitting part that irradiates light into the living body, a light receiving part that receives light from the light emitting part that has passed through the living body, and is connected to a probe consisting of the light emitting part and the light receiving part to measure blood oxygen saturation. A probe attachment device for a pulse oximeter comprising a measurement section, a band-shaped relaxation material that is wrapped around a living body, a joint section that joins the relaxation material in a ring shape while the relaxation material is wrapped around the living body, and the light emitting section. and a holding part for holding the light emitting part and the light receiving part in a relaxing material so that the light receiving part faces each other through the living body. (2) A claim characterized in that the holding portion includes at least one of a plurality of openings provided along the longitudinal direction of the relaxation material and a groove provided along the longitudinal direction of the relaxation material. A probe attachment device for a pulse oximeter according to item 1. (3) The holding part consists of a first magnetic pole attached to the relaxation material and a second magnetic pole attached to the light emitting part and/or the light receiving part, and the first magnetic pole and the second magnetic pole have different polarities. The pulse oximeter probe attachment device according to claim 1, further comprising: a probe attachment device for a pulse oximeter according to claim 1; (4) The joint part includes a first joint part in which a large number of first engaging hooks are implanted, and a plurality of second engaging hooks that can freely engage and detach from the first engaging hooks. 2. The probe attachment device for a pulse oximeter according to claim 1, wherein the provided second joint surfaces are formed by planar fasteners provided near both ends in the longitudinal direction of the relaxation material.