CN215840084U

CN215840084U - Lower limb function position placing device

Info

Publication number: CN215840084U
Application number: CN202121130298.XU
Authority: CN
Inventors: 刘小琴; 张正蔚; 周兴宇
Original assignee: Chengdu Second Peoples Hospital
Current assignee: Chengdu Second Peoples Hospital
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-02-18
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a lower limb functional position placing device, which is used for solving the problem that the comfort level of a patient is poor due to the fact that the size of an accommodating cavity for accommodating crus and thighs cannot be changed. The thigh support and the shank support are connected with each other and are provided with accommodating cavities, a plurality of supporting plates are mounted on two sides of each accommodating cavity, piston cavities which correspond to the supporting plates one by one are arranged on the thigh support and the shank support, pistons which are sealed with the piston cavities are arranged in the piston cavities, the pistons are connected with piston rods, one ends of the piston rods penetrate out to be connected with the pistons, the other ends of the piston rods penetrate out of the piston cavities to be connected with the supporting plates on two sides of the accommodating cavities, the piston cavities are communicated with air inlet pipelines, and the air inlet pipelines are communicated with an external air source.

Description

Lower limb function position placing device

Technical Field

The utility model belongs to the technical field of functional position arrangement, and particularly relates to a lower limb functional position arrangement device.

Background

The functional position is a position which can enable the limb to exert the maximum function, so that the limb is generally required to be fixed at the functional position after being injured, and the functional position is comprehensively considered according to the functional requirements of the part.

The main functional positions (neutral position is 0 °) of each major joint of the human body are generally:

shoulder joint: abduction of 45 degrees, forward bending of 30 degrees and external rotation of 15 degrees;

elbow joint: bending by about 90 degrees;

a wrist joint: dorsiflexion 20-30 °;

hip joint: abduction by 10-20 degrees, anteflexion by 15-20 degrees and external rotation by 5-10 degrees;

a knee joint; the bending is 5-10 degrees, and the children can use the straightening position;

ankle joint: the functional position is the neutral position, and the sole plane is not deflected to any direction without dorsiflexion or plantarflexion or eversion or inversion. In most hospitals, the functional position is put to medical personnel and utilizes the pillow to go on, and this kind of mode has the functional position to put inaccurately, and too much pillow has also occupied more space simultaneously, does not utilize medical personnel and accompanying person's other operations.

Therefore, lower functional position puts device has appeared among the prior art, for example the utility model patent of application number 201721520321.X discloses a low limbs function pad, low limbs function pad includes hip, knee, the ankle that the level was placed, low limbs function pad is provided with high-elastic sponge in the periphery of hip, knee, ankle, high-elastic sponge is provided with ventilative recess stage by stage, sets up the foot flap of injecing the foot position in the extended position of ankle, the hip is a triangle sloping platform, and the knee is provided with boss an, and the ankle is provided with the boss b that is lower than knee boss an, forms the recess between the boss an of knee and the boss b of ankle.

For another example, utility model application No. 201220530246.6 discloses a lower limb functional position retaining device, including: thigh supports, calf supports, and foot guards; wherein: one end of the shank support is fixedly connected with the thigh support, the other end of the shank support is fixedly connected with the foot baffle, and U-shaped grooves for placing thighs and shanks are formed in the upper surfaces of the thigh support and the shank support; the thigh support, the shank support and the foot baffle are all provided with tying plates, and fixing belts are tied on the tying plates; magnetic materials are arranged in the thigh support, the shank support, the foot baffle and the fixing belt.

In order to meet the requirements of different body types, the length of the existing lower limb functional position placing device can be generally adjusted, but because the width of the lower limbs (crus and thighs) is changed greatly, the size of an accommodating cavity for accommodating the crus and the thighs cannot be changed after the length is adjusted, and the comfort degree of the patient is poor.

Disclosure of Invention

Based on the technical problems, the utility model provides a lower limb functional position placing device, wherein the width of a containing cavity for containing a shank and a thigh can be adjusted according to the width of the lower limb of a patient, so that the use requirements of patients with different body types are met, and the comfort of placing the lower limb functional position of the patient is improved.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a device is put to low limbs functional position, is including the thigh support that is used for holding the thigh and the shank support that is used for holding the shank, thigh support and shank support interconnect have all been seted up and have been held the chamber, a serial communication port, a plurality of backup pads are installed to the both sides that hold the chamber, be provided with the piston chamber that sets up with each backup pad one-to-one on thigh support and the shank support, the piston intracavity is provided with the piston that seals up each other with the piston chamber, piston connection has the piston rod, the one end of piston rod is worn out and is connected with piston interconnect, the other end of piston rod is worn out the piston chamber and is connected with the backup pad that is located and holds the chamber both sides, piston chamber intercommunication has the admission line, admission line and outside air supply intercommunication.

In some embodiments, a pressure relief channel is formed in a side wall of the piston cavity, and a pressure relief valve is installed in the pressure relief channel.

In some embodiments, a spring is sleeved on the periphery of the piston rod in the piston cavity to enable the piston to cover the pressure relief channel or expose the pressure relief channel when the piston moves in the piston cavity.

In some embodiments, be provided with a plurality of mounting groove on the diapire that holds the chamber, install in the mounting groove with the mounting groove mutual sealing can be in the mounting groove gliding connecting rod from top to bottom, the massage bulb is installed at the top of connecting rod, pressure release channel communicates with each other with the mounting groove through the pipeline of giving vent to anger.

In some embodiments, a through hole is formed in the middle of the connecting rod, an airflow channel communicated with the through hole is formed in the massage ball head, a silica gel layer is arranged on the surface of the massage ball head, and at least one pinhole communicated with the airflow channel is formed in the silica gel layer.

In some embodiments, the supporting plate is hinged to the end of the piston rod so that the supporting plate can rotate left and right in the accommodating cavity, the supporting plate is an arc-shaped plate with the circle center facing the piston rod side, and the periphery of the supporting plate is coated with the buffer layer.

In some embodiments, the thigh support and/or the shank support are adjustable in length, and include a fixed portion and a movable portion, the fixed portion and the movable portion are connected with each other in an inserting manner, and the fixed portion is provided with a movable cavity for inserting the movable portion.

In some embodiments, a sliding groove is formed in the movable portion, the sliding groove is provided with a sliding block capable of sliding in the sliding groove, the piston cavity of the movable portion is formed in the sliding block, and a return spring is installed between the sliding block and the bottom of the sliding groove.

Compared with the prior art, the utility model has the following beneficial effects:

when the lower limb functional position placing device is used, when the lower limb is placed in the accommodating cavities of the thigh support and the shank support, then an external air source is introduced into the piston cavity through a pipeline, the piston drives the piston rod and the supporting plate to move towards the lower limbs of the patient under the action of air pressure, the supporting plate provides a directional acting force for the piston rod after contacting with the lower limbs of the patient, so that the piston rod does not move any more (at the moment, the piston is exposed out of the pressure release valve), the piston cavity continues to pressurize until the pressure in the piston cavity is greater than the threshold value of the pressure release valve, the pressure release valve is opened to release the pressure, the piston rod resets under the action of the spring and shields the pressure release channel, and therefore the air pressure in the piston cavity and the spring are in a balanced state, and then keep and stabilize the backup pad to make the space between the relative backup pad in each accommodation chamber both sides match with the appearance of low limbs each other. Therefore, the utility model can be suitable for placing the lower limb functional positions of patients with different body types, and the accuracy of placing the functional positions is improved.

In the using process, after the lengths of the thigh support and the shank support are adjusted, the supporting plates are adapted to different shapes of the lower limbs, and the problem that the shapes of the accommodating cavities of the placing device in the prior art are changed along with the length adjustment is solved.

The supporting plate can periodically move under the driving action of an external air source (the supporting plate can be prevented from excessively extruding a patient under the action of the pressure release valve), so that the supporting plate can play a role in massaging, the use comfort of the patient is further improved, and bedsores (especially patients needing long-time use) are prevented.

When the pressure relief device is used, when pressure is relieved through the pressure relief channel and the pressure relief valve, the decompressed gas enters the mounting groove through the gas outlet pipeline, and the decompressed gas can drive the connecting rod and the massage ball head to move, so that the bottom of the lower limb is massaged through the massage ball head, and therefore the multidirectional massage can be performed through the action of the supporting plate and the massage ball head, the blood circulation of the lower limb is promoted, the bedsore can be prevented, and the healing of the lower limb can be promoted. And through the pinhole on the silica gel layer on the massage bulb, can slowly release the gas in the mounting groove, can enough ensure that atmospheric pressure can drive the massage bulb and move, also can slowly ventilate to holding the intracavity simultaneously, further improve the travelling comfort of using.

Drawings

FIG. 1 is a schematic top view of an embodiment of the present invention, in which the length of the thigh support and the shank support cannot be adjusted;

FIG. 2 is a schematic top view of an embodiment of the present invention, in which the length of the thigh support and the shank support can be adjusted;

FIG. 3 is a schematic top view of an embodiment of the present invention, wherein the thigh support is adjustable in length and the shank support is not adjustable in length;

FIG. 4 is a schematic top view of an embodiment of the present invention, in which the length of the lower leg support can be adjusted and the length of the upper leg support cannot be adjusted, and the lower leg support is further connected with a foot fixing plate;

FIG. 5 is a schematic view of the connection between the supporting plate and the thigh support base or (shank support base) according to the present invention;

FIG. 6 is a schematic view of the movable portion of the supporting plate of the present invention mounted on the thigh support base and/or the calf support base;

FIG. 7 is a schematic view of the massage ball head of the present invention;

the labels in the figure are: 1. thigh support, 101, fixed part, 102, movable part, 103, activity cavity, 104, mounting groove, 2, shank support, 3, hold the chamber, 4, backup pad, 41, buffer layer, 5, piston rod, 51, piston chamber, 52, piston, 53, inlet channel, 54, spring, 55, pressure release passageway, 56, outlet channel, 6, massage bulb, 61, connecting rod, 62, perforating hole, 63, airflow channel, 64, silica gel layer, 65, pinhole, 7, foot's fixed plate, 8, sliding tray, 9, sliding block, 10, reset spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "both ends", "between", "middle", "lower", "upper", "lower", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

With the help of the attached drawings, the lower limb functional position placing device comprises a thigh support 1 for accommodating a thigh and a shank support 2 for accommodating a shank, wherein the thigh support 1 and the shank support 2 are connected with each other and are respectively provided with an accommodating cavity 3, and the thigh support 1 and the shank support 2 can be made of light aluminum alloy and medical plastic. Wherein the side wall and the bottom wall of the accommodating cavity 3 can be provided with a buffer layer 41 made of flexible materials, and the comfort level of placing the lower limbs is improved by using the buffer layer 41. The cushioning layer 41 may be made of a cotton layer. For convenience of use, in some embodiments, cushioning layer 41 on thigh support 1 is unattached to cushioning layer 41 on calf support 2 independently of one another.

In some embodiments, the peripheries of thigh support 1 and shank support 2 may also be bonded (e.g., velcro) to cushioning layer 41, which may be bonded by velcro to facilitate cleaning and replacement of cushioning layer 41.

In some embodiments, the edges of the thigh support 1 and the shank support 2 are designed to be circular arcs, so as to prevent the sharp corners from hurting the patient.

In order to facilitate the placement of the functional position of the lower limb, the height of the shank support 2 is higher than that of the thigh support 1, so that the shank is slightly lifted upwards.

In some embodiments, one end of the lower leg support 2 is connected with the thigh support 1, the other end of the lower leg support 2 is connected with a foot fixing plate 7, the foot fixing plate 7 is used for fixing the sole of the foot of the patient, wherein the foot fixing plate 7 is provided with a groove which is matched with the shape of the sole of the foot, and the sole of the foot is positioned through the groove.

In some embodiments, the thigh support 1, the calf support 2 and the foot fixing plate 7 are further provided with strapping bands, by which the lower limb is bound and fixed.

The utility model is characterized in that a plurality of supporting plates 4 are arranged at two sides of a containing cavity 3, piston cavities 54 which are arranged corresponding to each supporting plate 4 one by one are arranged on a thigh support 1 and a shank support 2, pistons 52 which are sealed with piston cavities 51 are arranged in the piston cavities 54, the pistons 52 are connected with piston rods 5, one ends of the piston rods 5 penetrate out and are connected with the pistons 52, the other ends of the piston rods 5 penetrate out of the piston cavities 51 and are connected with the supporting plates 4 which are positioned at two sides of the containing cavity 3, the piston cavities 51 are communicated with air inlet pipelines 53, and the air inlet pipelines 53 are communicated with an external air source, wherein the air source can be an air source of a hospital, the air source can also come from a compressed air cylinder, and the air source can also directly come to an air compressor. Will be understood and appreciated by those skilled in the art and will not be described in detail herein.

In some embodiments, the air inlet duct 53 is reserved in the thigh support 1 and the shank support 2 for a length, so that the air inlet duct 53 is not tensioned during the movement of the thigh support 1 and the shank support 2, but is in a natural laying state.

In some embodiments, a pressure relief channel 55 is formed on a side wall of the piston cavity 51, and a pressure relief valve 56 is installed in the pressure relief channel 55.

In some embodiments, a spring 54 is provided around the piston rod 5 in the piston chamber 51 to allow the piston 52 to cover the pressure relief channel 55 or expose the pressure relief channel 56 when the piston 52 moves in the piston chamber 51.

In some embodiments, a plurality of mounting grooves 104 are formed in the bottom wall of the accommodating cavity 3, a connecting rod 61 which is sealed with the mounting grooves 104 and can slide up and down in the mounting grooves is mounted in the mounting grooves 104, the massage ball head 6 is mounted at the top of the connecting rod 61, and the pressure relief channel 55 is communicated with the mounting grooves 104 through an air outlet pipeline 57. Wherein, the periphery of the connecting rod 61 is provided with a sealing ring for sealing with the mounting groove 104, and the sealing between the connecting rod and the mounting groove 104 is realized through the sealing ring.

In some embodiments, a through hole 62 is formed in the middle of the connecting rod 61, an airflow channel 63 communicated with the through hole 62 is formed in the massaging ball head 6, a silicone layer 64 is formed on the surface of the massaging ball head 6, and the silicone layer 64 is provided with at least one pinhole 65 communicated with the airflow channel 63. Through the design of pinhole 65 and silica gel layer 64 for the air current that enters into the mounting groove 104 can not be quick discharges from pinhole 65, and the air current can slowly gradually discharge from pinhole 65 simultaneously.

In some embodiments, the support plate 4 is hinged at the end of the piston rod 5 so that the support plate 4 can rotate left and right in the accommodating cavity 3, the support plate 4 is an arc plate with the center facing the piston rod side, and the periphery of the support plate 4 is wrapped with the buffer layer 41. According to the utility model, the support plate 4 is rotationally connected with the piston rod 5, so that the support plate can rotate along the left and right directions, and can be conveniently and properly rotated and adjusted according to the body type, and the fitting degree of the support plate and the lower limbs is improved.

Meanwhile, due to the arc-shaped structural design and the design of the buffer layer 41, the use comfort can be improved.

In some embodiments, the length of the thigh support 1 and/or the shank support 2 is adjustable, the thigh support 1 and/or the shank support 2 includes a fixed portion 101 and a movable portion 102, the fixed portion 101 and the movable portion 102 are inserted into each other, the fixed portion 101 is provided with a movable cavity 103 for inserting the movable portion 102, and in some embodiments, the fixed portion 101 is further provided with a locking screw, and the movable portion 102 can be locked on the fixed portion 101 through the locking screw.

When the length adjustment is required, the locking screw is loosened to drive the movable part 102 to slide in the movable cavity 103, and when the movable part is moved to a proper position, the locking screw is screwed again to lock the movable part 102 on the fixed part 101.

In some embodiments, a sliding groove 8 is formed in the movable portion 102, the sliding groove 8 is provided with a sliding block 9 capable of sliding in the sliding groove 8, the piston cavity 51 of the movable portion 102 is opened on the sliding block 9, and a return spring 10 is installed between the sliding block 9 and the bottom of the sliding groove 8. When the movable part 102 moves (contracts) toward the fixed part 101, the slide block, the piston rod, and the support plate can contract in the slide groove 8 under the pressing action; when the movable part moves away from the fixed part (i.e. extends), the sliding block, the piston rod and the support plate can automatically extend out of the sliding groove 8 under the action of the return spring 10. So that the adjustment of the length does not affect the movement of the support plate.

In some embodiments, the sliding block 9 may also be provided with a limit plate, by the action of which the sliding block 9 is prevented from sliding out of the sliding groove 8.

The above is an embodiment of the present invention. The foregoing are preferred embodiments of the present invention, and the preferred embodiments in each preferred embodiment can be combined and used in any overlapping manner if not obviously contradictory or prerequisite to a certain preferred embodiment, and the specific parameters in the examples and the embodiments are only for the purpose of clearly showing the verification process of the utility model and not for the purpose of limiting the patent protection scope of the present invention, which is still subject to the claims and the equivalent structural changes made by the contents of the description and the drawings of the present invention are all included in the protection scope of the present invention.

Claims

1. The utility model provides a lower limb functional position puts device, includes thigh support (1) that is used for holding the thigh and shank support (2) that is used for holding the shank, thigh support (1) and shank support (2) interconnect have all been seted up and have been held chamber (3), its characterized in that, hold the both sides in chamber (3) and install a plurality of backup pads (4), be provided with piston chamber (51) that set up with each backup pad (4) one-to-one on thigh support (1) and shank support (2), be provided with in piston chamber (51) with piston chamber (51) sealed piston (52) each other, piston (52) are connected with piston rod (5), the one end of piston rod (5) is worn out and is connected with piston (52), the other end of piston rod (5) is worn out piston chamber (51) and is located backup pad (4) that hold chamber (3) both sides and is connected, the piston cavity (51) is communicated with an air inlet pipeline (53), and the air inlet pipeline (53) is communicated with an external air source.

2. The lower limb function position placing device according to claim 1, wherein a pressure relief channel (55) is formed on the side wall of the piston cavity (51), and a pressure relief valve (56) is installed in the pressure relief channel (55).

3. The lower limb function positioning device according to claim 2, characterized in that the piston rod (5) in the piston cavity (51) is sleeved with a spring (54) at the periphery thereof so that the piston can block the pressure relief channel (55) or expose the pressure relief channel (55) when the piston moves in the piston cavity (51).

4. The lower limb function position placing device according to claim 3, wherein a plurality of mounting grooves (104) are arranged on the bottom wall of the accommodating cavity (3), a connecting rod (61) which is sealed with the mounting grooves (104) and can slide up and down in the mounting grooves is mounted in the mounting grooves (104), a massage ball head (6) is mounted at the top of the connecting rod (61), and the pressure relief channel (55) is communicated with the mounting grooves (104) through an air outlet pipeline (57).

5. The lower limb functional position placing device according to claim 4, wherein a through hole (62) is formed in the middle of the connecting rod (61), an air flow channel (63) communicated with the through hole (62) is formed in the massage ball head (6), a silica gel layer (64) is arranged on the surface of the massage ball head (6), and at least one pinhole (65) communicated with the air flow channel (63) is formed in the silica gel layer (64).

6. The lower limb function position holding device according to claim 1, wherein the support plate (4) is hinged to the end of the piston rod (5) so that the support plate (4) can rotate left and right in the accommodating cavity (3), the support plate (4) is an arc-shaped plate with the circle center facing the piston rod side, and the periphery of the support plate (4) is coated with the buffer layer (41).

7. The lower limb functional position resting device according to any one of claims 1 to 6, characterized in that the thigh support (1) and/or the calf support (2) are adjustable in length, the thigh support (1) and/or the calf support (2) comprise a fixed part (101) and a movable part (102), the fixed part (101) and the movable part (102) are inserted into each other, and the fixed part (101) is provided with a movable cavity (103) for inserting the movable part (102).

8. The lower limb functional position placing device according to claim 7, wherein a sliding groove (8) is formed in the movable part (102), a sliding block (9) capable of sliding in the sliding groove (8) is arranged in the sliding groove (8), the piston cavity (51) of the movable part (102) is formed in the sliding block (9), and a return spring (10) is installed between the sliding block (9) and the bottom of the sliding groove (8).