CN115998564A - Pump device and foot pump - Google Patents

Abstract

The invention relates to a pump device and a foot pump, wherein the pump device (10) of the foot pump (12) is provided with a shell (38) and a hook part (44). The housing (38) has a front surface (48) and a rear surface (64) located on the opposite side of the front surface (48), and houses the pump body (36). The hook (44) is attached to the back surface (64) and is detachable from the side rail (204). The hook portion (44) has a plurality of claw portions (80), and the plurality of claw portions (80) extend along the height direction of the housing (38) and are arranged so as to be separated from each other in the width direction of the housing (38). The width (Ld) of each of the plurality of claw portions (80) is less than half the width (Lb) of the housing (38).

Description

Pump unit and foot pump

technical field

The invention relates to a pump device and a foot pump.

Background technique

For example, Patent Document 1 discloses a foot pump. The foot pump includes a pump device for supplying compressed air to a cuff that compresses a leg of a human body. A hook for attaching the pump device to a bed or the like is attached to the case of the pump device. The hook has one claw in a U-shape. The width of the claw is wider than half the width of the case.

Patent Document 1: Japanese Patent No. 4571156

However, foot pumps are sometimes used on patients during surgery. In this case, it would be convenient if the pump device could be attached to an appropriate position on the operating table. Side rails are fixed to side portions of the bed of the operating table via a plurality of pillars. However, since the width of the claw portion of the pump device described above is wider than half of the housing width, it tends to be wider than the strut interval. Therefore, this pump device may not be able to be attached to the side rail of the operating table.

Contents of the invention

An object of the present invention is to solve the above-mentioned problems.

One aspect of the present invention is a pump device detachable from side rails of an operating table, including: a housing having a front surface and a rear surface opposite to the front surface, and housing a pump main body. and a hook, which is installed on the back and can be disassembled relative to the side rail, the hook has a plurality of claws, and the plurality of claws extend along the height direction of the housing In addition, the plurality of claws are disposed apart from each other along the width direction of the housing, and each of the plurality of claws has a width equal to or less than half of the width of the housing.

Another aspect of the present invention is a foot pump comprising: a sleeve that is detachable from the leg of a human body; and a pump device for supplying compressed air to an air bag of the sleeve, the pump The device is the pump device described above.

According to the present invention, since each of the plurality of claws has a width equal to or less than half the width of the case, the width of each claw is likely to be narrower than the interval between the pillars. When the width of each claw is narrower than the interval between the pillars, the claw can be inserted between adjacent pillars. In this case, the pump device can be attached to the side rail of the operating table.

Description of drawings

FIG. 1 is a schematic configuration diagram of a foot pump according to an embodiment of the present invention.

Fig. 2 is a perspective view of the pump device of Fig. 1 viewed from a first direction.

Fig. 3 is a perspective view of the pump device of Fig. 1 viewed from a second direction that is opposite to the first direction.

Fig. 4 is a plan view of the pump device of Fig. 1 viewed from a second direction.

Fig. 5 is a plan view of the pump device of Fig. 1 viewed from above.

Fig. 6 is a partially exploded perspective view of the hook.

FIG. 7 is a partially omitted cross-sectional view along line VII-VII of FIG. 5 .

Fig. 8 is a perspective explanatory view showing attachment of a pump device to a side rail of an operating table.

Fig. 9 is a partially omitted cross-sectional explanatory view of a pump device mounted on a side rail.

Fig. 10 is a perspective explanatory view showing attachment of the pump device to the bed board.

Description of reference numerals: 10...pump device; 12...foot pump; 14...sleeve; 22...air bag; 36...pump body; 38...casing; 40...operation panel; 44...hook portion; 46...bearing portion; 48...front surface; 56...first side; 58...power connector; 60...second side; 62...air connector; Components; 78...second anti-slip part; 80...claw part; 86...reinforcing part; 200...operating table; 204...side rail.

Detailed ways

As shown in FIG. 1 , a foot pump 12 according to an embodiment of the present invention is a medical device for intermittently compressing a leg of a human body, thereby assisting venous return of the leg. The foot pump 12 is used, for example, to perform intermittent air compression for preventing thrombosis.

The foot pump 12 includes a plurality of cuffs 14 , a pump device 10 , and a plurality of connection members 18 . Specifically, the foot pump 12 includes two cuffs 14 , one pump device 10 , and two connection members 18 . However, the respective numbers of the cuff 14, the pump device 10, and the connecting member 18 can be appropriately set.

The sleeve 14 can be detached from the legs of the human body. Each sleeve 14 has: a sleeve piece 20 , a plurality of air pockets 22 , a plurality of locking portions 24 , a plurality of sleeve tubes 26 and a sleeve connector 28 .

The sleeve piece 20 has a size and a shape that can be wrapped around a human body's leg (calf or foot). The sleeve piece 20 is made of cloth, for example. However, an appropriate material can be used for the constituent material of the sleeve piece 20 .

A plurality of air bags 22 are attached to the sleeve piece 20 . Each airbag 22 is made of an expandable and contractable material. Specifically, the air bag 22 is inflated when the compressed air supplied from the pump device 10 is supplied into the air bag 22 . The air bag 22 contracts when compressed air is discharged from the inside of the air bag 22 . In the present embodiment, each sleeve 14 has four air pockets 22 . However, each sleeve 14 can also have one or more (other than four) air pockets 22 .

A plurality of locking portions 24 are attached to the sleeve piece 20 . The locking portion 24 is kept in a state where the sleeve piece 20 is wound around the leg of the human body. The locking portion 24 is, for example, a surface fastener. However, the locking portion 24 is not limited to the surface fastener, and may be a hook, a button, or the like. In this embodiment, each sleeve 14 has two locking portions 24 . However, each sleeve 14 may also have one or more (other than two) locking portions 24 .

Compressed air flows through each sleeve tube 26 . One ends of the plurality of sleeve tubes 26 are respectively connected to the plurality of air bags 22 . The other ends of the plurality of sleeve tubes 26 are connected to a sleeve connector 28 . In the present embodiment, each sleeve 14 has four sleeve tubes 26 (the same number as the air bags 22 ). However, each sleeve 14 can also have one or more (outside of four) sleeve tubes 26 .

A plurality of connection members 18 connect the plurality of cuffs 14 to the pump device 10 . Each connection member 18 has a plurality of air tubes 30 , a first connection connector 32 , and a second connection connector 34 . One ends of the plurality of air tubes 30 are connected to a first connection connector 32 . The other ends of the plurality of air tubes 30 are connected to a second connection connector 34 . In the present embodiment, each connection member 18 has four (the same number as the air bags 22 of each cuff 14 ) air tubes 30 . However, each connection part 18 may also have one or more (other than four) air tubes 30 . The first connection connector 32 is connected to an air connector 62 described later of the pump device 10 . The second connection connector 34 is connected to the sleeve connector 28 .

The pump device 10 intermittently supplies compressed air to the interior of the plurality of air pockets 22 of each cuff 14 . The pump device 10 discharges compressed air from inside the plurality of air pockets 22 of each cuff 14 .

The pump device 10 is detachable from the side rail 204 of the operating table 200 (see FIG. 8 ). In addition, the pump device 10 is detachable with respect to the bed board 304 (refer FIG. 10). As shown in FIGS. 2 and 3 , the pump device 10 includes a pump main body 36 , a housing 38 , an operation panel 40 , a handle portion 42 , a hook portion 44 , and a mounting portion 46 . The pump main body 36 includes a compressor and the like for supplying compressed air to each cuff 14 .

The casing 38 accommodates the pump main body 36 . The operation panel 40 is attached to the front surface 48 which is one surface in the thickness direction (arrow X direction) of the casing 38 . The front surface 48 faces the first direction (arrow X1 direction). The operation panel 40 includes a display unit 50 , a plurality of operation buttons 52 and an indicator 54 . Various kinds of information such as the operation status are displayed on the display unit 50 . The plurality of operation buttons 52 include, for example, a power button, a start button, a stop button, and the like. The indicator 54 lights up or blinks, for example, depending on the operation status or the like.

A power connector 58 is attached to the first side 56 which is one side in the width direction of the case 38 (see FIG. 2 ). An unshown power cable is detachable from the power connector 58 . In FIG. 3 , a plurality of air connectors 62 are attached to the second side 60 which is the other side in the width direction of the casing 38 . The first connection connector 32 (see FIG. 1 ) of each connection member 18 is detachable from each air connector 62 . The first side 56 and the second side 60 face the width direction of the housing 38 .

Two first anti-slip portions 66 are attached to the lower portion of the rear surface 64 which is the other surface in the thickness direction of the casing 38 . The back surface 64 faces a second direction (arrow X2 direction) opposite to the first direction. The two first anti-slip portions 66 are arranged at intervals in the width direction of the housing 38 . The first anti-slip portion 66 extends along the height direction of the housing 38 . The first anti-slip portion 66 is made of, for example, a rubber material. The number, size, shape, and position of the first anti-slip portions 66 can be appropriately set. One or more (more than three) first anti-slip parts 66 may also be installed on the back surface 64 of the housing 38 .

As shown in FIGS. 3 to 5 , the upper portion of the back surface 64 of the casing 38 has two recesses 68 and a support portion 70 . The two recesses 68 are located at both ends of the case 38 in the width direction. The bearing 70 is located between the two recesses 68 .

In FIGS. 2 and 3 , the handle portion 42 protrudes upward from the upper portion of the casing 38 . The handle portion 42 has a shape in which a U-shape is turned upside down. The handle portion 42 has a size and shape that can be easily grasped by a human hand. The user can easily carry the pump device 10 while holding the handle 42 .

As shown in FIGS. 3 to 6 , the hook portion 44 is attached to the rear surface 64 of the housing 38 . The hook portion 44 includes a hook body 72 , two rotation shaft portions 74 , two urging members 76 , and a plurality of second anti-slip portions 78 .

The hook main body 72 has two claw portions 80 , an operation portion 82 , two connection portions 84 , and a reinforcement portion 86 . In FIGS. 3 and 4 , the two claws 80 are arranged apart from each other along the rear surface 64 of the housing 38 . The two claws 80 are arranged at intervals in the width direction of the housing 38 . The hook portion 44 may have three or more claw portions 80 .

In FIG. 4 , the interval La between the adjacent claw portions 80 is narrower than the width Lb of the housing 38 . Specifically, the interval La is set to be not less than 20 mm and not more than 190 mm. The interval La is preferably set to be 40 mm or more and 140 mm or less, more preferably 80 mm or more and 95 mm or less. In this case, it is easy to insert the pillar 206 of the operating table 200 between the two claws 80 while suppressing the size of the hook 44 (see FIG. 9 ).

The claw portion 80 extends along the height direction (vertical direction) of the housing 38 . The claw portion 80 is bent downward in a direction (arrow X1 direction) approaching the rear surface 64 of the housing 38 (see FIG. 3 ). The lower end of the claw portion 80 is located above the bottom surface of the housing 38 . The lower end of the claw portion 80 faces the first anti-slip portion 66 attached to the housing 38 . The length Lc along the vertical direction of the claw portion 80 is set to be 30 mm or more and 140 mm or less. The length Lc is preferably set to be not less than 30 mm and not more than 120 mm, more preferably not less than 60 mm and not more than 100 mm. In this case, the claw portion 80 can be stably attached to the side rail 204 of the operating table 200 while suppressing the size of the hook portion 44 (see FIG. 9 ).

The claw portion 80 has approximately the same width throughout its entire length. The width Ld of the claw portion 80 is not more than half the width Lb of the case 38 . In the present embodiment, the width Ld of the claw portion 80 is not more than 1/4 of the width Lb of the housing 38 . Specifically, the width Ld is set to be not less than 10 mm and not more than 100 mm. The width Ld is preferably set to be not less than 10 mm and not more than 50 mm, more preferably not less than 20 mm and not more than 30 mm. In this case, it becomes easy to insert the claw part 80 between the mutually adjacent pillars 206 of the operating table 200, making the claw part 80 moderate rigidity (refer FIG. 9). For example, the claw portion 80 may be formed narrowly facing downward.

The claw portion 80 has substantially the same thickness over the entire length. In FIG. 9 , the thickness Le of the claw portion 80 is set to be not less than 5 mm and not more than 20 mm. The thickness Le is preferably set to be not less than 5 mm and not more than 15 mm, more preferably not less than 8 mm and not more than 12 mm. In this case, it is easy to insert the claw portion 80 between the operating bed 202 and the side rail 204 of the operating table 200 while imparting appropriate rigidity to the claw portion 80 . The claw portion 80 may be formed thinly facing downward, for example.

As shown in FIGS. 3 and 4 , the operation portion 82 protrudes upward from the upper ends of the plurality of claw portions 80 . The operation portion 82 has a shape in which a U character is turned upside down. The operation portion 82 has a size and shape that are easy to be caught by human fingers. The operation unit 82 and the handle unit 42 face each other in a state of being separated from each other.

In FIGS. 3 and 5 , the connecting portion 84 is a portion for connecting the hook body 72 and the housing 38 . The connecting portion 84 protrudes from the upper end portion of each claw portion 80 toward the housing 38 . Protruding ends of the two connecting parts 84 are respectively located in the two recesses 68 of the housing 38 . That is, the two connection parts 84 are provided so as to sandwich the support part 70 of the case 38 from the width direction of the case 38 .

In FIGS. 3 and 4 , the reinforcing portion 86 connects upper end portions of the plurality of claw portions 80 to each other. The reinforcing portion 86 extends along the width direction of the housing 38 . The reinforcing portion 86 is a member for increasing the rigidity of the hook body 72 . The reinforcement part 86 is connected to the plurality of connection parts 84, respectively.

In FIG. 5 and FIG. 6 , the two rotating shaft parts 74 are respectively fixed to the two connecting parts 84 . Each rotation shaft portion 74 extends along the width direction of the housing 38 . Each rotation shaft portion 74 is rotatably supported by the support portion 70 of the housing 38 . The two urging members 76 are respectively attached to the two rotation shaft parts 74 .

The urging member 76 urges the rotating shaft portion 74 in a direction in which the lower end portion of each claw portion 80 rotates toward the rear surface 64 (the first anti-slip portion 66 ) of the housing 38 . The urging member 76 has a coil spring 88 . The rotation shaft portion 74 is inserted into the inner hole of the coil spring 88 . One end portion of the coil spring 88 is engaged with the rotation shaft portion 74 . The other end of the coil spring 88 is engaged with the support portion 70 of the housing 38 .

As shown in FIG. 6 , the plurality of second anti-slip portions 78 are respectively attached to two claw portions 80 . Specifically, two second anti-slip portions 78 are attached to the surface facing the rear surface 64 of the housing 38 (the surface facing the arrow X1 direction) of each claw portion 80 . The two second anti-slip portions 78 are arranged at intervals from each other in the width direction of the claw portion 80 . Alternatively, one second anti-slip portion 78 may be provided on each of the two claw portions 80 . Three or more second anti-slip portions 78 may be provided on each claw portion 80 .

The second anti-slip portion 78 is made of, for example, a rubber material. The second anti-slip portion 78 includes a contact portion 90 and a plurality of outer peripheral protrusions 92 . The contact portion 90 extends along the length direction of the claw portion 80 . The contact portion 90 extends over substantially the entire length of the claw portion 80 . A plurality of outer peripheral protrusions 92 protrude outward from the outer peripheral surface of the contact portion 90 . The outer peripheral protrusion 92 is thinner than the contact portion 90 .

The hook body 72 includes a base portion 94 and two cover portions 96 . The base 94 constitutes the basic shape of the hook body 72 . Each cover portion 96 extends along the extending direction of the claw portion 80 . Two long holes 98 are formed in the cover portion 96 . The two elongated holes 98 are arranged at intervals in the width direction of the claw portion 80 .

The two cover portions 96 are fixed to the base portion 94 by a plurality of screw members 97 . At this time, the outer peripheral protruding portion 92 of the second anti-slip portion 78 is sandwiched between the base portion 94 and the cover portion 96 . In addition, the contact portion 90 of the second anti-slip portion 78 is arranged in the long hole 98 . That is, the contact portion 90 of the second anti-slip portion 78 is exposed to the outside. The contact portion 90 protrudes in the arrow X1 direction from the cover portion 96 . The lower end portion of the cover portion 96 is attached to the lower end portion of the base portion 94 . The upper end portion of the cover portion 96 is attached to the upper end portion of the base portion 94 .

As shown in FIGS. 4 and 7 , the load bearing portion 46 is attached to the support portion 70 of the housing 38 by a plurality of screw members 100 . In other words, the bearing portion 46 is mounted on the rear surface 64 of the casing 38 through a plurality of screw members 100 . The bearing portion 46 protrudes from the back surface 64 of the casing 38 toward the second direction (direction of arrow X2 ).

In FIG. 7 , in the initial state of the hook portion 44 (state before use of the pump device 10 ), the reinforcing portion 86 is in contact with the upper surface of the bearing portion 46 . That is, the receiving portion 46 receives the urging force of the urging member 76 in the initial state of the hook portion 44 . In addition, the lower end portion of the claw portion 80 is close to the first anti-slip portion 66 in the initial state of the hook portion 44 . However, the lower end of the claw portion 80 can also be in contact with the first anti-slip portion 66 in the initial state of the hook portion 44 . The extended protruding end of the receiving portion 46 is located closer to the second direction (arrow X2 direction) than the upper end portion of each claw portion 80 in the initial state of the hook portion 44 . In other words, the extended protruding end of the bearing portion 46 is located closer to the second direction (arrow X2 direction) than the hook main body 72 in the initial state of the hook portion 44 .

In such a pump device 10 , when the operation portion 82 is operated (pull) in a direction (arrow X1 direction) approaching the handle portion 42 , the lower end portion of each claw portion 80 of the hook body 72 moves away from the rear surface of the housing 38 . 64 (the first anti-slip portion 66) (direction of arrow X2). Thereby, the space|interval between the lower end part of the claw part 80 and the case 38 becomes wide (claw part 80 opens). On the other hand, if the operating force of the operating portion 82 is released, the hook main body 72 moves toward the direction in which the lower end portion of the claw portion 80 approaches the back surface 64 (the first anti-slip portion 66 ) of the housing 38 by the biasing force of the biasing member 76 ( Arrow X1 direction) to rotate. As a result, the distance between the lower end of each claw 80 and the housing 38 is narrowed (the claw 80 is closed).

As shown in FIG. 8 , the pump device 10 of the present embodiment is attached to, for example, an operating table 200 . The operating table 200 includes an operating bed 202 , a plurality of side rails 204 , and a plurality of pillars 206 . In FIG. 9 , each side rail 204 is secured to a side 208 of an operating table 202 by a plurality of struts 206 . A gap 210 is left between side rail 204 and side 208 of operating table 202 . Various medical instruments used in surgery can be detached from the side rails 204 . The plurality of pillars 206 are arranged at intervals along the extending direction of the side rail 204 . The struts 206 are, for example, bolts.

When the pump apparatus 10 is attached to the side rail 204, as shown in FIG. 8, the operation part 82 is operated and each claw part 80 is opened. Next, with the operation panel 40 facing the direction opposite to the operating bed 202 , the two claws 80 are inserted into the gap 210 between the side rail 204 and the operating bed 202 from above the operating table 200 . At this time, in FIG. 9 , the strut 206 is located between the two claws 80 . In other words, the claw portion 80 is located between the struts 206 adjacent to each other. Thereafter, each claw portion 80 is closed by releasing the operating force of the operating portion 82 . As a result, the side rails 204 are clamped (suspended) between the respective claw portions 80 and the housing 38 . Accordingly, the pump device 10 can be stably attached to the side rail 204 .

In addition, as shown in FIG. 10 , the pump device 10 can be attached to an inpatient bed 300 such as a hospital. The bed 300 includes a bed body 302 and a plurality of bed boards 304 . The plurality of bed boards 304 are, for example, plate-shaped members attached to both ends in the longitudinal direction of the bed body 302 . In addition, the bed board 304 may be attached to the end part of the width direction of the bed main body 302. As shown in FIG.

When the pump device 10 is attached to the bed board 304 , the operation portion 82 is operated to open each claw portion 80 . Next, the bed board 304 is inserted between the two claws 80 and the housing 38 from above the bed board 304 with the operation panel 40 facing in the direction opposite to the bed body 302 . Thereafter, each claw portion 80 is closed by releasing the operating force of the operating portion 82 . Thereby, the bed board 304 is clamped by each claw part 80 and the housing|casing 38. As shown in FIG. Therefore, the pump device 10 can be stably attached to the bed board 304 . At this time, the first anti-slip portion 66 and the second anti-slip portion 78 are in contact with the bed board 304 . Therefore, even when people around the bed 300 come into contact with the pump device 10 , it is possible to suppress the pump device 10 from slipping on the bed board 304 . Therefore, it is possible to effectively suppress the pump device 10 from coming out of the bed plate 304 .

This embodiment exhibits the following effects.

According to this embodiment, since the width Ld of each of the plurality of claws 80 is less than half the width Lb of the case 38 , the width Ld of each claw 80 tends to be narrower than the strut interval Lf (see FIG. 9 ). When the width Ld of each claw portion 80 is narrower than the strut interval Lf, the claw portion 80 can be inserted between the struts 206 adjacent to each other. In this case, the pump device 10 can be attached to the side rail 204 of the operating table 200 .

The hook portion 44 has a rotation shaft portion 74 and a biasing member 76 . The rotation shaft portion 74 extends along the width direction of the housing 38 and is rotatably supported by the housing 38 . The urging member 76 urges the rotation shaft portion 74 toward the lower end portion of each claw portion 80 in the direction of rotation of the housing 38 .

According to such a structure, the side rail 204 can be clamped by the some claw part 80 and the case 38. As shown in FIG. Therefore, the pump device 10 can be stably attached to the side rail 204 . In addition, the bed board 304 can be sandwiched by the plurality of claws 80 and the housing 38 . Therefore, the pump device 10 can be stably attached to the bed board 304 .

The hook portion 44 has a reinforcing portion 86 that connects upper end portions of the plurality of claw portions 80 to each other.

According to such a structure, the rigidity of each claw part 80 can be improved by the reinforcement part 86. As shown in FIG.

The carrier 46 is arranged on the rear side 64 of the housing 38 . The carrying portion 46 protrudes from the back surface 64 along the second direction. In the initial state of the hook portion 44 , the extended protruding end of the bearing portion 46 is located closer to the second direction than the plurality of claw portions 80 .

According to such a configuration, when the pump device 10 is dropped with the back surface 64 facing downward, the impact of the drop can be received by the receiving portion 46 . Therefore, it is possible to suppress damage to each claw portion 80 due to the impact of dropping.

In the initial state of the hook portion 44 , the reinforcing portion 86 is in contact with the bearing portion 46 .

According to such a structure, the urging force of each urging member 76 can be received by the receiving part 46 . Thereby, it can suppress that the lower end part of each claw part 80 hits the case 38 or the 1st anti-slip part 66, and acts on the claw part 80 excessively.

A first anti-slip portion 66 is attached to the rear surface 64 of the housing 38 . The second anti-slip portion 78 is attached to the surface of each claw portion 80 facing the housing 38 .

According to such a structure, the side slip of the pump device 10 attached to the bed board 304 can be suppressed by the 1st anti-slip part 66 and the 2nd anti-slip part 78. As shown in FIG.

An air connector 62 for connecting the air pipe 30 is mounted on the second side 60 of the housing 38 .

According to such a configuration, it is possible to suppress the air tube 30 from interfering with the operating table 200 in a state where the pump device 10 is attached to the side rail 204 . In addition, it is possible to suppress interference between the air tube 30 and the bed board 304 in a state where the pump device 10 is attached to the bed board 304 .

A power connector 58 for detachable power cables is installed on the first side 56 of the casing 38 .

According to such a configuration, it is possible to suppress the power supply cable from interfering with the operating table 200 in a state where the pump device 10 is attached to the side rail 204 . In addition, in a state where the pump device 10 is attached to the bed top 304 , it is possible to suppress interference of the power supply cable with the bed top 304 .

In addition, the present invention is not limited to the above-described embodiments, and various configurations can be taken without departing from the gist of the present invention.

The above embodiment discloses a pump device, the pump device (10) can be disassembled with respect to the side rail (204) of the operating table (200), comprising: a housing (38), which has a front surface (48) and a back side (64) on the side opposite to the front side, and accommodates the pump body (36); and a hook portion (44), which is mounted on the back side and is detachable relative to the side rail, The hook portion has a plurality of claws (80) extending along the height direction of the case and arranged separately from each other along the width direction of the case. The width (Ld) of each claw is equal to or less than half the width (Lb) of the case.

In the pump device described above, the hook portion may also have: a hook main body (72) including the plurality of claw portions; a rotating shaft portion (74) extending along the width direction of the housing. and rotatably supported by the housing; and an urging member (76) that applies a force to the lower end of the hook main body or the rotating shaft portion toward the rotation direction of the housing toward the lower end of the plurality of claws. force.

In the pump device described above, the hook portion may have a reinforcing portion (86) connecting upper end portions of the plurality of claw portions to each other.

In the pump device described above, it is also possible that the front surface faces the first direction, the back face faces the second direction, and a bearing part (46) is provided on the back side of the housing, and the bearing part is separated from the The back surface extends and protrudes along the second direction, and the extended protruding end of the bearing part is located closer to the second direction than the plurality of claw parts in the initial state of the hook part.

In the pump device described above, the reinforcing portion may be in contact with the bearing portion in an initial state of the hook portion.

In the pump device described above, an anti-slip portion (66, 78) may be attached to at least one of a surface facing the housing and a rear surface of the housing among the plurality of claws.

In the above pump device, an air connector (62) for connecting the air pipe (30) may also be installed on the side surface (60) of the casing.

In the above-mentioned pump device, a power connector (58) for detachable power cables may also be installed on the side (56) of the casing.

The above embodiment discloses a foot pump, the foot pump (12) is equipped with: a sleeve (14), which can be disassembled relative to the leg of the human body; (22) Compressed air is supplied, and the pump device is the pump device described above.

Claims (9)

1. A pump device that can be disassembled relative to the side rail of the operating table, characterized in that it has: a housing having a front surface and a rear surface on the opposite side from the front surface and housing the pump main body; and a hook mounted on said back and detachable relative to said side rail, The hook portion has a plurality of claws extending in a height direction of the case and arranged separately from each other in a width direction of the case, Each of the plurality of claws has a width equal to or less than half the width of the housing. 2. The pump device according to claim 1, characterized in that, The hook has: a hook body including the plurality of claws; a rotation shaft portion extending along the width direction of the housing and rotatably supported by the housing; and The urging member urges the hook main body or the rotation shaft toward the lower ends of the plurality of claws in a rotation direction of the housing. 3. The pump device according to claim 2, characterized in that, The hook portion has a reinforcing portion that connects upper end portions of the plurality of claw portions to each other. 4. The pump device according to claim 3, characterized in that, the front surface faces a first direction, the back faces in a second direction, A bearing part is provided on the back side of the housing, The bearing part extends and protrudes from the back surface along the second direction, The extended protruding end of the bearing portion is located closer to the second direction than the plurality of claw portions in an initial state of the hook portion. 5. The pump device according to claim 4, characterized in that, The reinforcing portion is in contact with the bearing portion in an initial state of the hook portion. 6. The pump device according to any one of claims 1 to 5, characterized in that: An anti-slip portion is attached to at least one of a surface facing the housing and a rear surface of the housing among the plurality of claws. 7. The pump device according to any one of claims 1 to 6, characterized in that: An air connector for connecting an air pipe is mounted on a side of the housing. 8. The pump device according to any one of claims 1 to 7, characterized in that: A power connector for detachable power cables is installed on the side of the housing. 9. A foot pump, characterized in that it has: sleeves that are removable from the body's legs; and pump means for supplying compressed air to the air bag of said cuff, The pump device is the pump device according to any one of claims 1 to 8.

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