JP7376062B2 - Patient transfer equipment and air bearings - Google Patents

Description

The present invention relates to a patient transfer device and an air bearing that can simplify patient transfer.

Currently, when transferring a patient on a bed or stretcher to an examination table or examination table of testing equipment, several people work together to lift the plate table with the patient on it. However, relying on manual labor to transport patients places a heavy burden on the personnel, and transporting patients becomes difficult when there is a shortage of manpower.

In order to simplify patient transfer, it is conceivable to use mechanical force to move the plate table up and down, but this would complicate and enlarge the device including the plate table. Furthermore, there is a demand for testing and treatment using radiation such as X-rays by transferring the plate table carrying the patient onto the table of examination equipment or treatment equipment. In response to such a request, it is not preferable to provide a mechanical device for transfer on the plate stand because it may affect radiation irradiation.

In this regard, Patent Document 1 listed below describes that an air bearing 100 shown in FIG. 13(a) is attached to the lower surface of a plate table on which a patient rests. In the air bearing 100, a plurality of elongated cylindrical parts 104 are formed by forming weld lines 102 formed by linearly welding the inner sides of two films made of fabric coated with thermoplastic resin at predetermined intervals. Each of the cylindrical portions 104 has a number of injection holes formed on its bottom side to eject compressed air supplied from the supply port 106.

According to the air bearing 100 attached to the lower surface of the plate table on which the patient is placed, the compressed air supplied to each cylindrical part 104 is directed from the injection holes to the mounting surface of the mounting member such as the bed or stretcher. The air is injected in a direction perpendicular to the plate table, causing the plate stand to float above its mounting surface and forming an air layer between the lower surface of the air bearing 100 and the mounting surface of the mounting member. By forming such an air layer, it is possible to reduce the frictional force between the plate table and the mounting surface that prevents the plate table from being transferred, and the plate table on which the patient is mounted can be easily transferred by a small number of people. Furthermore, the air bearing 100 is made of resin and does not have any effect on radiation irradiated to the patient.

However, according to the studies of the present inventors, the air bearing 100 has compressed air injection holes formed over the entire bottom surface side of each cylindrical portion 104, and compressed air is injected from all the injection holes. It is difficult to do so, and there is a risk that some injection holes will not be able to inject compressed air, and the floating force of the plate stand 108 will be insufficient. Increasing the pressure of compressed air to a high pressure in order to inject compressed air from all the injection holes may cause the weld line 102 to peel off.

Furthermore, even if compressed air is injected from all the injection holes, as shown in FIG. There are some things that do not contribute to the levitation force of the platform 108. That is, the levitation force of the plate stand 108 is generated by the injection holes drilled in the bottom of the cylindrical part 104 along the placement surface 110 of a placement member such as a bed or stretcher on which the plate stand 108 is placed. This is due to the compressed air injected from the On the other hand, the compressed air injected from the injection holes drilled in the peripheral surface of the cylindrical part 104 remote from the mounting surface 110 hardly contributes to the floating force of the plate stand 108 and is wasted, and is also a cause of noise. Become.

Furthermore, the number of injection holes in the bottom surface of the cylindrical part 104 along the mounting surface 110 varies within the cylindrical part 104 and/or between the cylindrical parts 104, resulting in variation in the levitation force against the plate stand 108. Therefore, there is a risk that the plate stand 108 may become unstable, such as tilting. In order to eliminate this instability of the plate stand 108, it is conceivable to form the two outer cylindrical portions 104 wider than the two inner cylindrical portions 104 shown in FIG. 13(b). If the cylindrical portions 104 with different widths coexist, the degree of compressed air ejected from the injection holes of the cylindrical portions 104 with different widths may become uneven, which may actually make the plate stand 108 unstable. It is also conceivable not to provide injection holes in the two outer cylindrical parts 104, but the bottom surfaces of the two outer cylindrical parts 104 may come into contact with the mounting surface 110 and the plate stand 108 may not be transferred. It may become difficult to do so.

US Patent No. 10166160

The present invention solves the above-mentioned problems and provides a patient transfer device and an air bearing that can stably transfer a plate table with a patient placed thereon and that does not affect the radiation etc. irradiated for patient examination and treatment. The purpose is to

In order to achieve the above object, the patient transfer device according to the present invention has a mounting surface of a mounting member on which a member including the plate stage is placed on the lower surface side of the plate stage on which the patient is placed. An air bearing is provided that blows out compressed air in a direction to float the plate base, and the air bearing has a bottom portion that bulges in the direction of the mounting surface when the air bearing is bulged with the supplied compressed air. at least one bag-shaped part made of a resin film in which a plurality of injection holes for ejecting the compressed air are formed, and the bag-shaped part is formed narrower than the bag-shaped part; an air supply flow path made of a resin film that expands with the compressed air supplied to the bag-shaped portion, and each of the bag-shaped portion and the air supply flow path is provided so as to be sandwiched between the plate stand; and a cover plate having an opening at a location corresponding to the injection hole perforation area of the bag-like part, and the bag-like part and the air supply channel are expanded by the supplied compressed air. When the injection hole of the bag-shaped part bulges out from the opening of the cover plate beyond the lower end of the air supply flow path where the expansion is restricted by contacting the cover plate and the plate base. It is characterized in that the drilling area is downward .

A plurality of the bag-shaped parts and the air supply channel for supplying the compressed air to each of the bag-shaped parts are formed on the lower surface side of the plate table, so that the plate table on which the patient is placed can be easily moved. It can be transported more stably.

The strength of the air supply channel can be improved by expanding the air supply channel into a cylindrical shape by the compressed air supplied to the bag-shaped portion.

The air supply channel and the bag-shaped portion assume a flat shape when the supply of compressed air is stopped.

The opening of the cover plate is configured such that when the compressed air is supplied to the bag-shaped portion, the injection hole drilling area expands from the opening in the direction of the mounting surface. Since the area is larger than the perforation area, the entire injection hole perforation area bulges out from the opening of the cover plate, and compressed air can be reliably injected from each injection hole in a direction perpendicular to the mounting surface.

By using a bead bag in which foamed resin beads are filled in a bag-like airtight part formed of a resin film in place of the plate stand, the bead bag can transmit radiation, and the upper surface of the bead bag can be transparent. Radiation can be irradiated from the bottom side of the bead bag to the patient on board.

Since the bead bag is a suction-type bead bag that changes its shape by sucking and expelling air within the bag-like airtight portion, the shape of the bead bag can be changed to match the patient's body shape.

By integrally forming the bead bag, the bag-shaped portion, and the air supply channel, it is possible to improve the ease of handling them.

The air bearing according to the present invention, which has been made to achieve the above object, is provided on the lower surface side of a plate table that carries a patient and moves, and is mounted on a mounting member on which members including the plate table are placed. An air bearing that floats the plate base by ejecting compressed air in the direction of the mounting surface has a plurality of injection holes that eject the compressed air to a bottom surface portion that is expanded in the direction of the mounting surface by the supplied compressed air. at least one bag-like part made of a resin film having an injection hole perforation region, the bag-like part being narrower than the bag-like part and bulging by the compressed air supplied to the bag-like part; is provided between an air supply channel made of a resin film and the plate stand so as to sandwich each of the bag-shaped part and the air supply channel, and in the injection hole perforation area of the bag-shaped part. and a cover plate having openings at corresponding locations , and when compressed air is supplied to the bag-shaped portion and the air supply flow path and expands, the cover plate and the plate base are provided with an opening. The injection hole perforation area of the bag-like part that bulges out from the opening of the cover plate is located below the lower end of the air supply flow path which contacts and restricts the bulge. It is something.

By forming a plurality of the bag-shaped parts and by forming the air supply channel for supplying the compressed air to each of the bag-shaped parts, the plate table can be transferred more stably.

The strength of the air supply channel can be improved by expanding the air supply channel into a cylindrical shape by the compressed air supplied to the bag-shaped portion.

According to the patient transfer device according to the present invention, when the bag-like portion and the air supply flow path constituting the air bearing are expanded by the supplied compressed air, the bed, stretcher, etc. on which the plate stand is placed Compressed air is injected from the injection holes in the injection hole perforation region formed in the bottom surface of the bag-like part that bulges in the direction of the mounting surface of the mounting member, and acts as a levitation force for the plate stand. At this time, the injection hole drilling area of the expanded bag-like part is below the lower end of the expanded air supply flow path, and the air supply flow path without the compressed air injection holes is located in the plate. The plate table on which the patient is placed can be smoothly transferred without contacting the mounting surface of the table. In addition, since the air supply channel that supplies compressed air to the bag-shaped part in which the compressed air injection holes are formed is narrower than the bag-shaped part and has no injection holes, the air supply flow path Enough compressed air is supplied to the bag through the air supply channel so that the pressure resistance of the passage can be easily improved and compressed air is sufficiently blown out from each of the injection holes formed in the bag. can. In addition, the plate base and cover plate prevent the air supply channel from expanding excessively, and the injection hole drilling area formed at the bottom of the bag-shaped portion that bulges out from the opening of the cover plate can be securely sealed. Since the air supply channel can be positioned below the lower end of the air supply channel, compressed air can be ejected from the injection hole of the bag-shaped part in a direction perpendicular to the mounting surface of the mounting member such as a bed or stretcher to securely secure the plate stand. Can levitate. It should be noted that both the bag-like part and the air supply channel are made of a radiation-transparent resin film, and the influence of the air bearing during radiation irradiation can be ignored.

FIG. 1 is a perspective view showing an example of a patient transfer device to which the present invention is applied. FIG. 3 is an assembled view of a patient transfer device to which the present invention is applied, showing the sequential stacking of an air bearing and a cover plate with their bottom sides facing up on the bottom surface of a plate table. FIG. 2 is a bottom view of an air bearing that constitutes the present invention. FIG. 4 is a partially sectional perspective view illustrating a state in which compressed air is supplied to the air bearing shown in FIG. 3. FIG. FIG. 3 is a perspective view showing a state in which an air bearing and a cover plate are attached to the lower surface side of the plate stand. FIG. 3 is a partially sectional perspective view illustrating a state when compressed air is supplied to an air bearing mounted between a plate stand and a cover plate. FIG. 3 is a sectional view illustrating transfer by a patient transfer device in which an air bearing is attached to the lower surface of a plate table. FIG. 7 is a front view showing another air bearing applicable to the present invention. FIG. 3 is a cross-sectional view of another patient transfer device applicable to the present invention. FIG. 3 is a cross-sectional view of another patient transfer device applicable to the present invention. FIG. 6 is an assembled view of another patient transfer device to which the present invention may be applied, showing the sequential stacking of an air bearing and a cover plate with the bottom side facing up on the underside of the plate platform. FIG. 3 is a vertical cross-sectional perspective view of another patient transfer device to which the present invention is applicable. 1 is a bottom view of a conventional air bearing and a cross-sectional view of a conventional patient transfer device; FIG.

Hereinafter, embodiments for carrying out the present invention will be described in detail, but the scope of the present invention is not limited to these embodiments.

FIG. 1 is a perspective view showing an example of a patient transfer device to which the present invention is applied. As shown in FIG. 1, an air bearing is covered with a cover plate 12 and mounted on the lower surface 10b of a rectangular plate table 10 on which a patient M lies on the upper surface 10a. In the patient transfer device shown in FIG. 1, as shown in FIG. 2, an air bearing 14 and a cover plate 12 are sequentially stacked on the lower surface 10b of a plate stand 10 with the bottom side facing upward. This air bearing 14 has a rectangular shape and is sandwiched between the lower surface 10b of the plate stand 10 and the cover plate 12. The cover plate 12 has rectangular openings 12a at locations corresponding to the chest and legs of the patient M, respectively.

As shown in FIG. 3, the air bearing 14 has a rectangular shape made up of two resin films 14a and 14b, which are joined at predetermined locations to form rectangular bag-shaped portions 16A to 16D and bag-shaped portion 16A. Air supply passages 18a to 18c are formed to supply compressed air to each of the channels 16D to 16D. The bag-like parts 16A to 16D have the same size and are formed at positions corresponding to the chest and legs of the patient M when the rectangular air bearing 14 is mounted on the plate table 10, The resin film 14a forming the bag-shaped portions 16A to 16D has an injection hole region in which a large number of compressed air injection holes 16a are formed. Each of the bag-like parts 16A to 16D is formed by joining resin films 14a and 14b at joints 20 forming each side, leaving a compressed air inlet 21. Further, each of the air supply channels 18a to 18c is formed by joining resin films 14a and 14b at joints 20 forming both ends along the long axis thereof. Each of the air supply passages 18a to 18c thus formed is narrower than each of the bag-shaped portions 16A to 16D, and no injection hole 16a is formed therein. The compressed air supplied from the supply port 22 attached to one end of the air supply channel 18a flows through an air supply channel formed along the longitudinal direction in the center of the air bearing 14, as shown by the arrow in FIG. 18a, and is branched into air supply channels 18b, 18b whose midway portions are connected to the other end of the air supply channel 18a. The divided compressed air is divided into air supply passages 18c, 18c whose midpoints are connected to each end of the air supply passage 18b, and is supplied to each of the bag-shaped portions 16A to 16D from each compressed air inlet 21. .

Each of the resin films 14a and 14b can be made of a cloth made of chemical fiber such as nylon coated with a thin film made of resin such as urethane resin or vinyl chloride resin, or synthetic leather. The thickness is preferably 50 μm to 1 mm. In the air bearing 14 composed of such resin films 14a and 14b, when compressed air is supplied from the supply port 22, the air supply passages 18a to 18c and the bag-like portions 16A to 16D swell, and the compressed air is absorbed. When the supply is stopped, it returns to its thin, flat shape.

FIG. 4 shows a partial cross-sectional perspective view corresponding to plane AA in FIG. 2 when compressed air is supplied from the supply port 22 with the resin film 14a side of the air bearing 14 shown in FIG. 3 facing downward. The compressed air supplied from the supply port 22 to the air supply channel 18a passes between the resin films 14a and 14b forming the air supply channel 18a, and is discharged from each compressed air inlet 21 of the bag-shaped portions 16A and 16B. It is supplied between the resin films 14a, 14b forming the shaped parts 16A, 16B, and is injected from a large number of injection holes 16a in the injection hole perforation area formed at the bottom of the bag-shaped parts 16A, 16B. When compressed air is thus supplied to the air supply passage 18a and the bag-shaped portions 16A and 16B, the air supply passage 18a expands into a cylindrical shape as shown in FIG. The bag-shaped portions 16A, 16B are also bulged, and the injection hole drilling areas of the bag-shaped portions 16A, 16B are located below the lower end of the air supply channel 18a, which is bulged into a cylindrical shape. As is clear from FIG. 4, the air supply channel 18a and the bag-shaped portions 16A and 16B are separated by a joint 20 that joins the resin films 14a and 14b.

The air bearing 14 shown in FIG. 3 is sandwiched between the lower surface 10b of the plate stand 10 and the cover plate 12, as shown in FIG. The air bearing 14 and the lower surface 10b of the plate base 10 are formed by forming square areas 15, 15 and a T-shaped area 17 surrounded by the joint 20 shown in FIG. They are bonded via thick double-sided tape (hereinafter simply referred to as thick double-sided tape) formed between the two sides. Further, in both the air bearing 14 and the cover plate 12, the rectangular areas 15, 15 surrounded by the joint part 20 shown in FIG. At this time, the air bearing 14 and the cover plate 12 are arranged so that each of the drilling areas where the injection holes 16a of the air bearing 14 joined to the cover plate 12 are formed faces the opening 12a of the cover plate 12. , adjust the position. Further, the lower surface 10b of the plate stand 10 and the cover plate 12 are joined at their peripheral edges with thick double-sided tape.

FIG. 5 shows a state in which the air bearing 14 and the cover plate 12 are attached to the lower surface 10b of the plate stand 10. FIG. 5 is a perspective view of the plate stand 10 from the lower surface 10b side. As shown in FIG. 5, each opening 12a of the cover plate 12 faces the injection hole drilling area of the air bearing 14. As shown in FIG. FIG. 6 shows a state in which compressed air is supplied from the supply port 22 to the air bearing 14 in the state shown in FIG. 5 . FIG. 6(a) is a partial cross-sectional perspective view taken along the XX plane of FIG. 5, and the air bearing 14 is a portion corresponding to the AA plane shown in FIG. The lower surface 10b of the plate stand 10 and the cover plate 12 are joined with thick double-sided tapes 24a and 24b attached along their respective edges. In each of the bag-like parts 16A and 16B to which compressed air is supplied via the air supply channel 18a, the resin film 14a forming the bag-like parts 16A and 16B swells toward the opening 12a of the cover plate 12, and the resin The film 14b bulges toward the lower surface 10b of the plate stand 10. Among these bulges, the bulge of the resin film 14b in the direction of the lower surface 10b of the plate stand 10 is limited by coming into contact with the lower surface 10b of the plate stand 10; The expansion of the injection hole forming area facing the portion 12a is not restricted, and the injection hole forming area bulges below the cover plate 12 to inject compressed air from a large number of injection holes 16a. On the other hand, the air supply channel 18a bulges out into a cylindrical shape, contacts the lower surface 10b of the plate stand 10 and the cover plate 12, and does not bulge out below the cover plate 12.

FIG. 6(b) is a partial cross-sectional perspective view taken along YY plane in FIG. 5, and the air bearing 14 is a portion corresponding to the BB plane shown in FIG. Only air supply channels 18c, 18c are formed for supplying compressed air to. Among the plate stand 10, air bearing 14, and cover plate 12, the lower surface 10b of the plate stand 10 and the cover plate 12 are joined with thick double-sided tapes 24a and 24b stuck along the respective edges, and the air bearing 14 and the cover plate 12, and the air bearing 14 and the plate stand 10 are joined by thick double-sided tapes 24c and 24d affixed to the wide part of the T-shaped region 17 (see FIG. 3) of the air bearing 14. The air supply passages 18c, 18c to which compressed air is supplied swell into a cylindrical shape and abut against the lower surface 10b of the plate stand 10 and the cover plate 12.

FIG. 6(c) is a partial cross-sectional perspective view taken along the Z-Z plane in FIG. 5, in which the air bearing 14 is a portion corresponding to the CC plane shown in FIG. only is formed. Among the plate stand 10, air bearing 14, and cover plate 12, the lower surface 10b of the plate stand 10 and the cover plate 12 are joined with thick double-sided tapes 24a and 24b stuck along the respective edges, and the air bearing 14 and the cover plate 12, and the air bearing 14 and the plate stand 10 are joined by thick double-sided tapes 24e and 24f affixed to the narrow part of the T-shaped region 17 (see FIG. 3) of the air bearing 14. In each of the bag-shaped parts 16C and 16D to which compressed air is supplied from the air supply channels 18C and 18C, the resin film 14a forming the bag-shaped parts 16C and 16D swells in the direction of the opening 12a of the cover plate 12, and the resin film 14a forms the bag-shaped parts 16C and 16D. The film 14b bulges toward the lower surface 10b of the plate stand 10. Among these bulges, the bulge of the resin film 14b in the direction of the lower surface 10b of the plate stand 10 is limited by coming into contact with the lower surface 10b of the plate stand 10; The expansion of the injection hole drilling area facing 12a is not restricted, and the injection hole drilling area bulges below the cover plate 12 to inject compressed air from a large number of injection holes 16a.

Transfer by the patient transfer device in which the air bearing 14 is mounted on the lower surface 10b side of the plate table 10 will be explained using FIG. 7, which is a cross-sectional view taken along the plane AA shown in FIG. 2. As shown in FIG. 7, with the plate table 10 on which the patient M is placed, the air bearing 14 and the cover plate 12 placed on the placement surface of the placement member 26, compressed air is supplied from the supply port 22 into the air bearing 14. When the compressed air is supplied to the bag-shaped portions 16A, 16B via the air supply channel 18a, the compressed air is supplied to the bag-shaped portions 16A, 16B. In particular, each injection perforation area of the resin film 14a forming the bottom surface of the bag-shaped parts 16A, 16B bulges out from the openings 12a, 12a of the cover plate 12 toward the mounting surface of the mounting member 26, and the injection holes Compressed air is injected from each of the plates 16a in a direction perpendicular to the mounting surface of the mounting member 26, such as a bed or stretcher, and causes the plate stand 10 to float. The compressed air injected from each of the injection holes 16a flows between the perforation area of the injection holes 16a of the resin film 14a and the mounting surface of the mounting member 26, as shown in the partially enlarged view shown in FIG. Forms an air layer. Further, the air supply channel 18a to which compressed air is supplied also bulges out into a cylindrical shape, and its lower end abuts against the cover plate 12. In this way, the injection hole drilling areas of the bag-shaped parts 16A and 16B that bulge downward from the opening 12a of the cover plate 12 are located below the lower end of the bulged air supply channel 18a, so that the air supply The flow path 18a comes into contact with the mounting surface and does not impede the transfer of the plate stand 10 on which the patient M is placed, so that the plate stand 10 on which the patient M is placed can be smoothly transferred by a small number of people. Note that the air supply passages 18b and 18c and the bag-shaped portions 16C and 16D to which compressed air is supplied are similar to the air supply passage 16a and the bag-shaped portions 18A and 19B.

The air bearing 14 shown in FIGS. 2 to 7 has bag-shaped portions 16A to 16D made of two resin films 14a and 14b and air supply passages 18a to 18c that are integrally formed. As shown in FIG. 2, the bag-shaped portions 16A, 16B and the air supply channel 18a may be separated, and the square regions 15, 15 and the T-shaped region 17 may be cut out. Further, as shown in FIG. 8(b), a strip-shaped air bearing 14 may be provided in parallel, in which bag-like portions 16A and 16B formed in series are connected by air supply passages 18d and 18d. In the band-shaped air bearing 14, compressed air is directly supplied to the bag-shaped portion 16A, and compressed air is supplied from the bag-shaped portion 16A to the bag-shaped portion 16B via the air supply channel 18a.

Although the air bearing 14 is formed of two resin films 14a and 14b shown in FIGS. 2 to 8, it may be formed of one resin film 14a as shown in FIG. The air bearing 14 shown in FIG. 9 is constructed by bonding a predetermined portion of a resin film 14a to the lower surface 10b of the plate stand 10 with thick double-sided tape, a hook-and-loop fastener, or adhesive or welding, thereby forming an air supply channel 18a and an injection hole 16a on the bottom surface. Bag-shaped portions 16A and 16B were formed. Also in the air bearing 14 shown in FIG. 9, the air supply channel 18a is formed narrower than the bag-like parts 16A, 16B, and the injection holes of the bag-like parts 16A, 16B are swollen when compressed air is supplied. The injection hole drilling region 16a is located below the lower end of the air supply channel 18a expanded by the supplied compressed air.

In FIGS. 2 to 9, the patient M is placed on the plate stand 10, but the patient M can be placed on the bead bag 30 as shown in FIG. The bead bag 30 has a large number of foamed resin beads 34 filled in a bag-like airtight portion formed of a radiation-transparent resin film 32. A patient M is placed on the upper surface of the bead bag 30, and an air bearing 14 formed of a resin film 14a is bonded to the lower surface of the bead bag 30. This air bearing 14 is the same as that shown in FIG. 9, so detailed explanation will be omitted. To attach the air bearing 14 to the bead bag 30, a predetermined portion of the resin film 14a can be joined to the bead bag 30 using thick double-sided tape, a hook-and-loop fastener, or adhesive or welding. In particular, it is preferable to integrate the bead bag 30 and the air bearing 14 by adhesion or welding, as this can improve the handling of both. Such bead bag 30 and air bearing 14 can transmit radiation, and radiation can be irradiated to patient M placed on the upper surface side of bead bag 30 from the lower surface side of bead bag 30 and air bearing 14. Furthermore, it is preferable that the bead bag 30 is a suction-type bead bag that changes its shape by sucking and expelling the air inside the bag-like airtight part, so that the shape of the bead bag 30 can be changed according to the body shape of the patient M.

The air bearing 14 that has been described so far is provided with a plurality of bag-like parts 16A to 16D, but the air bearing 14 that has been described so far is provided with a single bag-like part 52 like the air bearing 50 shown in FIG. It's okay. FIG. 11 shows another patient transfer device to which the present invention is applied, in which an air bearing 50 and a cover plate 60 with the bottom side facing upward are sequentially laminated on the bottom surface 40b of the plate stand 40 with the bottom side facing downward. has been done. The air bearing 50 shown in FIG. 11 is mounted between the cover plate 60 and the lower surface 40b of the plate table 40 on which the patient M rests on the upper surface 40a. Like the air bearing 14, the air bearing 50 is composed of two resin films 50a and 50b, whose outer edges are joined to form a rectangular bag-shaped portion 52, and one end of which is connected to the air inlet 57 of the bag-shaped portion 52. A connected air supply channel 54 is formed. An injection hole area is formed in the resin film 14a of the bag-shaped portion 52, in which a plurality of compressed air injection holes 52a are formed. A supply port 56 for supplying compressed air is provided at the other end of an air supply channel 54 narrower than the bag-like portion 52, one end of which is connected to the compressed air inlet 57 of the bag-like portion 52.

Such an air bearing 50 is mounted between the lower surface 40b side of the plate stand 40 and the cover plate 60. The cover plate 60 has an opening 62 a corresponding to the injection hole forming area formed in the bag-shaped portion 52 of the air bearing 50 . FIG. 12 shows a state in which the air bearing 50 is mounted on the lower surface 40b of the plate stand 40 while being sandwiched between it and the cover plate 60. FIG. 12 is a vertical cross-sectional perspective view showing the state of the air bearing 50 sandwiched between the plate stand 40 and the cover plate 60. The air bearing 50 shown in FIG. 12 is in a state where compressed air is supplied from the supply port 56. The plate base 40 and the cover plate 60 are joined at their peripheral edges with thick double-sided tape 64, and the injection hole drilling area of the bag-shaped part 52 of the air bearing 50 corresponds to the opening 62a of the cover plate 60. bulges out from the opening 62a, and compressed air is injected from each of the injection holes 52a. At this time, the air supply channel 54 also expands into a cylindrical shape, but since the expansion is limited by the plate base 40 and the cover plate 60, the injection hole perforation area of the bag-shaped portion 52 expands into a cylindrical shape. It is located below the lower end of the air supply channel 54. Note that the area where the injection holes are formed in the bag-shaped portion 52 of the air bearing 50 should be 1/1.25 to 1/15 of the area of the plate stand 40 to make the plate stand 40 stable and to facilitate transfer. can be done smoothly.

According to the patient transfer device according to the present invention, it is possible to safely and easily transfer a small number of patients, and it is possible to save labor in transferring patients at a hospital or the like.

10, 40, 108: plate stand, 10a, 40a: upper surface of plate stand, 10b, 40b: lower surface of plate stand, 12, 60: cover plate, 12a, 62a: opening, 14, 50, 100: air bearing, 14a, 14b, 32, 50a, 50b: resin film, 15: square area, 16A, 16B, 16C, 16D, 52: bag-shaped part, 16a, 52a: injection hole, 17: T-shaped area, 18a, 18b, 18c, 18d, 54: Air supply channel, 20: Joint, 21, 57: Compressed air inlet, 22, 56, 106: Compressed air supply port, 24a, 24b, 24c, 24d, 24f, 64: Thick fabric both sides Tape, 26: Placement member, 30: Bead bag, 34: Foamed resin beads, 102: Welding line, 104: Cylindrical part, 110: Placement surface, M: Patient

Claims (11)

An air bearing is provided on the lower side of the plate table on which the patient is placed on the upper side, and blows out compressed air in the direction of the mounting surface of the mounting member on which the member including the plate table is placed to float the plate table. is,
The air bearing has at least one injection hole perforation region in which a plurality of injection holes for ejecting the compressed air are formed in a bottom surface portion that bulges in the direction of the mounting surface due to the supplied compressed air. A bag-shaped part made of resin film,
an air supply channel made of a resin film that is formed narrower than the bag-like part and expands with compressed air supplied to the bag-like part;
Each of the bag-shaped part and the air supply flow path is provided to be sandwiched between the plate stand and an opening is opened at a location of the bag-shaped part corresponding to the injection hole perforation area. and a cover plate;
When the bag-shaped portion and the air supply passage are expanded by the supplied compressed air, the lower end of the air supply passage is brought into contact with the cover plate and the plate base to limit the expansion. . A patient transfer device, wherein the injection hole perforation region of the bag-shaped portion that bulges out from the opening of the cover plate is located downward. 2. A plurality of the bag-shaped parts and the air supply flow path for supplying the compressed air to each of the bag-shaped parts are formed on the lower surface side of the plate stand, the air supply flow path being formed in the lower surface of the plate stand. patient transfer equipment. 3. The patient transfer device according to claim 1, wherein the air supply flow path expands into a cylindrical shape by the compressed air supplied to the bag-shaped portion. The patient transfer device according to any one of claims 1 to 3, wherein the air supply channel and the bag-shaped portion assume a flat shape when the supply of compressed air is stopped. The opening of the cover plate is configured such that when the compressed air is supplied to the bag-shaped portion, the injection hole drilling area expands from the opening in the direction of the mounting surface. The patient transfer device according to any one of claims 1 to 4, wherein the area is larger than the injection hole drilling area. The patient transfer device according to any one of claims 1 to 5, characterized in that a bead bag in which foamed resin beads are filled in a bag-like airtight part formed of a resin film is used in place of the plate stand. 7. The patient transfer device according to claim 6, wherein the bead bag is a suction type bead bag that changes its shape by sucking and expelling air within the bag-like airtight portion. 8. The patient transfer device according to claim 6, wherein the bead bag, the bag-shaped portion, and the air supply channel are integrally formed. Air that floats the plate table by ejecting compressed air in the direction of the mounting surface of the mounting member, which is provided on the lower surface side of the plate table on which the patient is loaded and moves, and on which members including the plate table are placed. The bearing is
at least one resin film bag having an injection hole perforation area in which a plurality of injection holes for ejecting the compressed air are formed on a bottom surface that is expanded in the direction of the placement surface by the supplied compressed air; shape part and
an air supply channel made of a resin film that is formed narrower than the bag-like part and expands with the compressed air supplied to the bag-like part;
The bag-like part and the air supply flow path are provided between the plate base and the bag-like part, and an opening is provided at a location corresponding to the injection hole drilling area of the bag-like part. and a cover plate;
When compressed air is supplied to the bag-shaped portion and the air supply channel and the air supply channel expands, the lower end of the air supply channel comes into contact with the cover plate and the plate base to limit the expansion. . An air bearing characterized in that the injection hole drilling area of the bag-like part that bulges out from the opening of the cover plate is located downward. 10. The air bearing according to claim 9, wherein a plurality of said bag-like parts are formed, and said air supply channel for supplying said compressed air is formed in each of said bag-like parts. The air bearing according to claim 9 or 10, wherein the air supply channel expands into a cylindrical shape due to the compressed air supplied to the bag-shaped portion.

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