JPH0438826Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field] The present invention relates to an improvement of an arm holder for a medical table.

[Summary of the idea]

This invention provides a first means below the arm support plate for rotating the arm support plate of the arm support for a medical table in a horizontal plane, and also rotates the arm support plate vertically in the longitudinal direction. A second means for rotating within a plane is provided below the first means, and the arm receiving plate is rotated left and right in a horizontal plane and back and forth in a vertical plane, so that a user of the medical table can The structure is configured such that adjustment is possible according to the situation of the arm, and when the arm holder is not needed, the first and second arm rests can be adjusted.
The above-mentioned arm support plate is rotated in a vertical plane in the width direction and is suspended so that the arm support plate is placed in a position where it does not get in the way at all.

[Conventional technology]

On both left and right sides of a medical table, such as a delivery table or a medical examination table, arm rests are provided for placing the arms of a person on the medical table. This arm holder has an arm holder on which the arm is placed, and is configured to be freely rotatable via various rotation mechanisms.

For example, in Japanese Utility Model Publication No. 61-38579, arrows B,
As shown by C and D, a three-dimensional turning mechanism capable of turning in three directions orthogonal to each other is provided, and the arm receiving plate E is supported by the cylindrical rod F fitted in the above-mentioned support A through this three-dimensional turning mechanism. ing. Note that tube rod F is column A.
The structure is such that rotation is impossible.

That is, in the arm holder for a medical table, the amount of rotation of the three-dimensional rotation mechanism can be adjusted according to the condition of the user's arm, so that strain is not placed on the user's arm. If you do not use the arm holder, remove the cylindrical rod F from the support A and attach the arm holder E.
If the three-dimensional rotation mechanism is removed from the medical table, it will not get in the way.

[The problem that the idea attempts to solve]

However, when using the arm holder for a medical table,
Whenever it is not in use, carry this arm holder from its storage location and fit the cylindrical rod F into the support column A.
Alternatively, the cylindrical rod F must be removed from the support A as described above and transported to the above-mentioned storage location.

This is by no means an easy task, considering the weight of the arm holder including the three-dimensional rotating mechanism mentioned above, and the operation of fitting the cylinder rod F into the column A. This must be especially hard work for female nurses.

In view of the above-mentioned points, this invention has been developed when using the arm receiving plate E.
Depending on when not in use, arm receiving plate E including the above-mentioned turning mechanism
To provide an arm holder for a medical table that can be easily set or stored in a predetermined position.

[Means to solve the problem]

The present invention includes an arm support plate, a first support shaft that is erected on the back surface of the arm support plate and extends in a direction substantially perpendicular to the arm support surface of the arm support plate, and a rotary movement of the first support shaft. a first support member capable of supporting the first support member; a second support member rotatably supporting the first support member about an axis extending substantially along the width direction of the arm receiving surface; a second support shaft rotatably supporting the second support member about an axis extending substantially along the length direction of the receiving surface; and mounting for attaching the second support shaft to the medical table main body. The arm holder for a medical table is configured to include the means.

[Effect]

Therefore, if the arm support plate including the plurality of rotation adjustment means is rotated about the second support shaft and suspended along the longitudinal direction of the medical table, the arm support plate is not used. Sometimes it doesn't get in the way at all. Furthermore, when using the arm holder, the operation is extremely simple, as all that is required is to simply rotate the arm holder plate about the second support shaft and return the arm holder plate, which includes a plurality of rotation adjustment means, to its original position. be.

〔Example〕

FIG. 1 is a perspective view of an arm holder for a medical table seen from below, showing an embodiment of the present invention.

This arm holder is placed on the side 1 of the medical table 1 (see Figure 3).
It is attached to a slider 2 that is slidably fitted into a rail 8 provided along a. A tightening screw 2b whose tip extends into the rail 8 is attached to the slider 2, so that the slider 2 can be locked at a desired position. Further, the arm support plate 3 on which the arms 9a, 9b (Fig. 3) of the person 9 on the medical table are placed is formed into an elongated shape, and is formed by providing a mat 5 of urethane foam on the upper surface of the arm support plate frame 4 made of metal. has been done.

A first support shaft 6 for adjusting the opening degree of the arm receiving plate 3 is provided on the lower surface near one longitudinal end of the arm receiving plate frame 4 and protrudes almost vertically. This first support shaft 6 is held at the base of a bifurcated portion of a U-shaped block body 7, which is a first support member, and when the bifurcated portion is released, it is as shown by the arrow 10 in FIG. It is possible to rotate.

Therefore, when the tightening is released, the arm support plate 3 can be pivoted around the first support shaft 6 as shown by the arrow 11 in FIG. 3, and the arms 9a, 9b
The angle at which the arms 9a and 9b are spread, that is, the angle at which the arms 9a and 9b are spread, can be freely adjusted in a stepless manner.

Insertion holes 13 and 14 (FIG. 2) are provided at the ends of the bifurcated portions 7a and 7b of the U-shaped block body 7, and the second support member 12 is inserted to rotate the U-shaped block body 7. It is pivoted for free movement. In this embodiment, the second support member 12, the clutch shaft 15a and the clamp shaft 15b integral with the support member 12 are arranged on the same axis.

A groove 17 having a circular cross section is formed at the tip of the clutch shaft 15a, and a flange 18 is provided protruding from the periphery near the tip. Further, the clamp shaft 15 is placed in the groove 17.
One end of b is inserted into the clamp shaft 15.
b is configured to be freely rotatable with respect to the clutch shaft 15a.

That is, a large diameter portion 20 is formed at one end of the clamp shaft 15b, and a cylindrical screw 21 for preventing the large diameter portion 20 from coming off is screwed into the groove 17.
In this way, the clamp shaft 15b is rotatably connected to the clutch shaft 15a, and does not fall off from the clutch shaft 15a.

One bifurcated portion 7a of the U-shaped block body 7
The insertion hole 13 formed in is formed to have a large diameter, and the clutch shaft 15a beyond the flange 18 is inserted through the insertion hole 13. In addition, the insertion hole 14 formed in the other bifurcated portion 7b
is formed as a different diameter insertion hole consisting of a large diameter portion 14a and a small diameter portion 14b. The clamp shaft 15b is inserted into the insertion hole 14, and since the diameter of the small diameter portion 14b is formed to match the diameter of the clamp shaft 15b, the clamp shaft 15b is rotatably supported by the small diameter portion 14b. It turns out.

Since the U-shaped block body 7 is rotatably attached to the second support member 12 in this way, the inclination angle of the arm receiving plate 3 with respect to the horizontal plane can be freely adjusted as shown by the arrow 38 in FIG. be able to. Therefore, even when the back plate 1b of the medical table 1 is raised or lowered as indicated by the arrow 40, the arm support plate 3 can be adjusted to remain horizontal at all times.

By the way, a coil spring 22 is disposed within the large diameter portion 14a as shown in FIG.
This coil spring 22 biases the bifurcated portions 7a, 7b in the direction of separating them from the flange 18, as shown by arrow 24 in the figure.

A clamp lever 23 is attached to the other end of the clamp shaft 15b via a shaft pin 25. An end surface 23 a perpendicular to the axial direction of the clamp lever 23 and a pressing surface 23 b parallel to the axial direction of the clamp lever 23 are formed at one end of the clamp lever 23 . Since the distance between the end surface 23a and the shaft pin 25 is formed short, when the clamp lever 23 is raised as shown in FIG. One of them 7a can be separated from the flange 18, and
The distance between these bifurcated portions 7a and 7b can be increased.

Further, since the distance between the pressing surface 23b and the shaft pin 25 is formed long, the clamp lever 23 is
When it is folded down as shown in the figure, one of the two forked portions 7a can be strongly pressed against the flange 18 side against the pressing force of the coil spring 22, and the distance between the two forked portions 7a and 7b can be reduced. can do.

By the way, a second support member 1 is provided on the surfaces of the flange 18 and one bifurcated portion 7a that face each other.
Clutch teeth 26 are formed radially with 2 as the center, and when the clamp lever 23 is pushed down as shown in FIG.
8, these clutch teeth 26
are engaged with each other, and the U-shaped block body 7 is fixed to the second support member 12. In this case, the pitch of the clutch teeth 26 determines the adjustment angle of the inclination angle of the arm receiving plate 3 with respect to the horizontal plane. For example, adjust the adjustment angle to 10
It can be adjusted for each degree.

Furthermore, when the clamp lever 23 is folded down in this way, the bifurcated parts 7a and 7b are tightened so that they approach each other, so the first support shaft 6 cannot rotate relative to the U-shaped block body 7, and the arm holder Board 3
is locked at the desired set opening in the horizontal plane.

In this embodiment, the flange 18 is provided with a stopper 30, and the bifurcated portion 7a is also provided with a stopper 31 that abuts against the stopper 30, so that when the arm receiving plate 3 becomes parallel to the top surface of the medical table 1, these stoppers 30 are provided on the flange 18. The stoppers 30 and 31 abut each other.

By the way, as shown in FIG. 5, the slider 2 that slides on the rail 8 has a third support member 12 on the side opposite to the medical table 1 side, and which has the same diameter as the second support member 12.
A supporting member 33 is provided in a protruding manner, and an engaging portion 34 having a rectangular cross section and having two parallel vertical surfaces is provided on the free end side of the supporting member 33 .

This engaging portion 34 is connected to the second support member 12.
The second support member 12 is inserted into the bifurcated portion 12a disposed at the end opposite to the end on the clutch shaft 15a side, and further this second support member 12 passes through the engaging portion 34 and the bifurcated portion 12a. It is supported by a second support shaft 35, and is configured to be rotatable in a vertical plane. In other words, the second support member 1
2 is rotatable about an axis extending substantially along the length direction of the arm receiving surface.

Next, as shown in FIG.
the end on the bifurcated portion 12a side, and the third support member 33
and a sleeve 36 that covers both of them with a margin.
It is loosely fitted into. Further, a compression spring 37 is interposed between the flange 18 and a flange 36a protruding from the outer circumferential surface of the sleeve 36, and the sleeve 36 is connected to the third end of the slider 2 by the compression spring 37. It is configured to be pressed against the side surface 2a on the support member 33 side.

Thus, the second support member 12 is attached to the sleeve 36
Thanks to this, the arm holder is held horizontally perpendicular to the side surface 2a of the slider 2, so that the arm holder can be placed in use.

Next, in FIG. 2, if the sleeve 36 is moved a predetermined distance in the direction of the arrow 41 against the elastic force of the compression spring 37, the second support member 12 is moved to the second support shaft as shown in FIG. 35 so that the arm support plate 3 hangs down parallel to the vertical plane, in other words, the arm support plate 3 including the plurality of rotating mechanisms including the support shaft 6, support members 7 and 12, etc. It can be stored in its storage position.

In addition, when the arm receiving plate 3 is in the above storage position,
Since one end of the sleeve 36 is pressed against the lower end of the third support member 33 by the compression spring 37, the arm receiving plate 3 is raised and the second support member 12 is pressed.
When the axis of the sleeve 36 is aligned with the third support member 33, the sleeve 36 automatically returns to the state shown in FIG.
Therefore, it is extremely easy to return the arm holder from an unused state to a used state.

By the way, in the above embodiment, the arms 9a of the user 9,
A single clamp lever 2 is used to lock and unlock the rotating mechanism that adjusts the expansion angle of the arm support plate 9b and the rotating mechanism that adjusts the inclination angle in the longitudinal direction of the arm receiving plate 3.
3 can be operated at the same time, making it easy to operate when adjusting the angle.

In addition, since the clamp shaft 15b is rotatably supported by the clutch shaft 15a, the clamp lever 23 can be rotated around the axis of the clamp shaft 15b, and can be operated at any position according to the mounting angle of the arm receiving plate 3. It can be carried out.

Although the present invention has been explained above with reference to one embodiment, the above-mentioned embodiment is not intended to limit the present invention.
Various modifications are possible based on the technical idea of the present invention. For example, in the embodiment, the second support member 12
Although the clutch shaft 15a and the clutch shaft 15a are formed concentrically, they do not necessarily need to be concentric or integral.

[Effect of idea]

Since the present invention has the above-described configuration, the arm holder can be set in the use state and the storage state very simply and easily. Furthermore, when stored, the arm holder does not interfere with the user getting on and off the medical table, for example.

[Brief explanation of drawings]

Fig. 1 is a perspective view from below of an arm holder for a medical table showing an embodiment of the present invention, Fig. 2 is a sectional view along the second support member, and Fig. 3 is a perspective view showing the state of use. , Fig. 4 is a side view to explain how to perform horizontal adjustment, Fig. 5 is a perspective view showing the state where it is tilted downward, and Fig. 6 is a state where it is attached to a medical table and is tilted downward. FIG. 7 is a perspective view showing an example of a conventional arm holder. In the symbols used in the drawings, 1... medical table, 2... slider (attachment means), 3... arm receiving plate, 6... first support shaft, 7... first support member, 8... ...Rail (attachment means), 12...Second
33...a third support member (attachment means), 35...a second support shaft.

Claims (1)

[Claims for Utility Model Registration] An arm receiving plate; a first support shaft erected on the back surface of the arm receiving plate and extending in a direction substantially perpendicular to the arm receiving surface of the arm receiving plate; a first support member that rotatably supports the shaft; and a second support member that rotatably supports the first support member about an axis extending substantially along the width direction of the arm receiving surface. a support member; a second support shaft that rotatably supports the second support member about an axis extending substantially along the length direction of the arm receiving surface; An arm holder for a medical table, each comprising a mounting means for attaching to the main body of the medical table.