CN111529274B - Leg heightening device for medical care - Google Patents

Leg heightening device for medical care Download PDF

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Publication number
CN111529274B
CN111529274B CN202010425824.9A CN202010425824A CN111529274B CN 111529274 B CN111529274 B CN 111529274B CN 202010425824 A CN202010425824 A CN 202010425824A CN 111529274 B CN111529274 B CN 111529274B
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CN
China
Prior art keywords
sliding
rod
angle adjusting
foot
arc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202010425824.9A
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Chinese (zh)
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CN111529274A (en
Inventor
尹明
王玲
田荣娜
石群
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Yin Ming
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Individual
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Publication date
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Priority to CN202010425824.9A priority Critical patent/CN111529274B/en
Publication of CN111529274A publication Critical patent/CN111529274A/en
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Publication of CN111529274B publication Critical patent/CN111529274B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G12/00Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food; Prescription lists
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/14Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • A61G7/065Rests specially adapted therefor
    • A61G7/075Rests specially adapted therefor for the limbs
    • A61G7/0755Rests specially adapted therefor for the limbs for the legs or feet

Abstract

The invention relates to a heightening device, in particular to a leg heightening device for medical care. The technical problem to be solved is as follows: provided is a leg-raising device for medical care, which can support feet in different postures. A leg heightening device for medical care, comprising: a support frame; the front-back angle adjusting component is arranged on the supporting frame and changes the front-back angle of the foot part in a sliding way; the foot placing component is arranged on the front and rear angle adjusting components and used for supporting the foot; and the upper and lower angle adjusting components are arranged on the front and rear angle adjusting components and are used for adjusting the upper and lower angles in a sliding mode. The invention can adapt to the foot without the type by the front and back angle adjusting component, simultaneously can support the patient without changing the position of the patient, and can change the angle for supporting the foot of the patient by the up and down angle adjusting component, so that the device can better treat the patient.

Description

Leg heightening device for medical care
Technical Field
The invention relates to a heightening device, in particular to a leg heightening device for medical care.
Background
Along with the development and progress of the society and the improvement of the living standard of people, the demand on workers is larger and higher. More and more workers have gone into the industry of nursing staff, and many patients receive the services provided by the nursing staff in hospitals, communities or families. When the lower limbs of a person are injured, the physical height is too high, so that the blood backflow at the extremities can be obviously promoted, and the swelling can be eliminated.
Patent publication No. CN21085925U discloses a lower limb lifting pad for medical care, which comprises a lifting pad body; one side of the lifting pad body along the length direction is provided with a knee pad, a leg pad and a foot pad which are integrated into a whole; the knee pad is a slope body with a curved top edge of a longitudinal section, and a side line of one end of the top surface, which is far away from the leg pad, is superposed with a side line of the bottom surface of the lifting pad body; the leg pad is a slope body with a straight top edge of a longitudinal section, and the height of one end of the top surface far away from the knee pad is greater than that of one end close to the knee pad; a heel groove is formed downwards on the top surface of the foot pad; the lower limb lifting pad has the advantages that the lower limb lifting pad can be matched with anatomical structures of the rear side of the knee joint, the abdominal part of the crus muscle and the heel part, the use comfort is improved, complications are reduced, and the regression of the swelling of the affected limb can be obviously promoted. Although this device can support the legs of a person, it cannot use feet of different postures.
Therefore, there is a need to develop a leg-elevating device for medical care that can support feet in different postures.
Disclosure of Invention
In order to overcome the defect that the existing foot supporting device can not adapt to different types of feet, the technical problem to be solved is as follows: provided is a leg-raising device for medical care, which can support feet in different postures.
The technical scheme is as follows: a leg heightening device for medical care, comprising: a support frame; the front-back angle adjusting component is arranged on the supporting frame and changes the front-back angle of the foot part in a sliding way; the foot placing component is arranged on the front and rear angle adjusting components and used for supporting the foot; and the upper and lower angle adjusting components are arranged on the front and rear angle adjusting components and are used for adjusting the upper and lower angles in a sliding mode.
Further, the front-rear angle adjusting assembly includes: the arc-shaped guide rod is arranged on the support frame; the arc-shaped sliding sleeve is slidably arranged on the arc-shaped guide rod; the circular block is arranged on the arc-shaped sliding sleeve; the mounting plate is arranged on the circular block and is rotationally connected with the support frame, and a sliding groove is formed in the mounting plate; the hinge rod, the hinge rod is two, installs on the mounting panel.
Further, the foot placement assembly comprises: the supporting plate is rotatably arranged on the hinge rod; the placing rack is installed between the outer sides of the supporting plates.
Further, the up-down angle adjusting assembly comprises: at least two U-shaped rods are arranged on the mounting plate; the transverse plate is arranged on the U-shaped rod and provided with at least two clamping grooves; the inclined plate is slidably mounted on the mounting plate; the transverse guide rod is arranged on the inclined plate; the right-angle rod is slidably mounted on the transverse guide rod and inserted into the clamping groove; the first spring is installed between the right-angle rod and the transverse guide rod.
Further, the method also comprises the following steps: the sliding rail is arranged on the placing rack; the sliding block is arranged in the sliding rail in a sliding manner; the bracing piece, the rotary type is installed in the sliding tray, and the bracing piece rotates with the sliding block to be connected.
Further, the method also comprises the following steps: the guide sleeve is arranged on the circular block; the pull rod is slidably arranged in the guide sleeve; the second spring is arranged between the pull rod and the guide sleeve; the arc rubber sleeve is arranged on the pull rod and pressed on the arc guide rod.
Has the advantages that: the invention can adapt to the foot without the use of the type through the front and back angle adjusting component, simultaneously can support the patient without changing the position of the patient, can change the angle for supporting the foot of the patient through the upper and lower angle adjusting component, so that the equipment can better treat the patient, the supporting rod can support the supporting plate and the device thereon, the equipment is more stable to use, the arc-shaped rubber sleeve fixes the position of the mounting plate and the device thereon, and the equipment is prevented from being displaced in the using process to cause the injury of the patient.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic view of a first partial body structure according to the present invention.
FIG. 3 is a schematic view of a second partial body structure according to the present invention.
Fig. 4 is a perspective view of a third embodiment of the present invention.
Fig. 5 is a perspective view of a fourth embodiment of the present invention.
FIG. 6 is a schematic view of a fifth partial body structure according to the present invention.
FIG. 7 is a schematic view of a sixth partial body structure according to the present invention.
Labeled as: 1 … support frame, 2 … arc guide rod, 3 … arc sliding sleeve, 4 … round block, 5 … mounting plate, 6 … hinge rod, 7 … sliding groove, 8 … support plate, 9 … placing rack, 10 … U-shaped rod, 11 … transverse plate, 101 … clamping groove, 12 … inclined plate, 13 … transverse guide rod, 14 … right-angle rod, 15 … first spring, 16 … sliding rail, 17 … sliding block, 18 … support rod, 19 … guide sleeve, 20 … pull rod, 21 … second spring, 22 … arc rubber sleeve.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, but the invention is not limited to the scope of protection and application.
Example 1
A leg heightening device for medical care comprises a support frame 1, a front and rear angle adjusting component, a foot placing component and an upper and lower angle adjusting component, wherein the front and rear angle adjusting component for changing the front and rear angles of the foot through a sliding mode is arranged at the top of the support frame 1, the foot placing component for supporting the foot is arranged at the top of the front and rear angle adjusting component, and the upper and lower angle adjusting component for adjusting the upper and lower angles through a sliding mode is arranged on the front side of the front and rear angle adjusting component.
As shown in fig. 1 and 2, front and back angle adjusting assembly is including arc guide arm 2, arc sliding sleeve 3, circular block 4, mounting panel 5 and hinge bar 6, the welding of 1 right side of support frame has arc guide arm 2, the gliding style is equipped with arc sliding sleeve 3 on arc guide arm 2, the welding of 3 tops of arc sliding sleeve has circular block 4, there is mounting panel 5 at 4 tops of circular block through the bolt rigid coupling, 5 left ends of mounting panel are connected with 1 left side of support frame rotation, open at 5 middle parts of mounting panel has sliding tray 7, hinge bar 6 has all been welded to both sides around 5 right sides of mounting panel.
As shown in fig. 1 and 3, the foot placing assembly comprises a supporting plate 8 and a placing frame 9, the supporting plate 8 is rotatably arranged on the hinge rod 6, and the placing frame 9 is welded between the outer sides of the supporting plates 8.
As shown in fig. 1 and 4, upper and lower angle adjustment subassembly is including U type pole 10, diaphragm 11, swash plate 12, transverse guide 13, right angle pole 14 and first spring 15, U type pole 10 has all been welded to both sides about 5 bottom front sides of mounting panel, welding has diaphragm 11 between the 10 front ends of U type pole, diaphragm 11 front side has been opened one row of draw-in groove 101, 5 bottom front sides sliding type of mounting panel is equipped with swash plate 12, swash plate 12 bottom and diaphragm 11 contact, swash plate 12 and the cooperation of backup pad 8, the welding of 12 front sides upper portions of swash plate has transverse guide 13, the sliding type is equipped with right angle pole 14 on transverse guide 13, be connected with first spring 15 between right angle pole 14 and the transverse guide 13, right angle pole 14 inserts in draw-in groove 101.
The working principle of the above embodiment is as follows: when needing to use the device to carry out the bed hedgehopping of people's shank, at first through angle adjusting part regulation foot place the front and back angle of subassembly around, then patient's foot is placed on the subassembly is placed to the foot, adjusts the foot through angle adjusting part about and places the subassembly angle, supports patient's foot. After the device is used, the device is reset, and then the feet of the patient are put down.
When the front and back angle that the subassembly was placed to the foot was adjusted to needs, rotate mounting panel 5 for arc sliding sleeve 3 is following the slip of arc guide arm 2, and mounting panel 5 rotates the angle that the subassembly was placed to the regulation foot, and the foot is placed the subassembly angle and is adjusted the back that finishes, unclamps mounting panel 5 can. Because the position of the foot placing group can be adjusted, the device can adapt to feet with different postures, and simultaneously, the position of a patient does not need to be changed and the patient can be supported.
When the foot of patient needs to be supported, the foot of patient is placed on the placing frame 9, then the foot of patient can be supported, and after the foot of patient is supported, the foot of patient is taken down from the placing frame 9.
After patient's foot is placed and is accomplished, extract right angle pole 14 from draw-in groove 101 earlier, first spring 15 compresses, then right angle pole 14 moves to the right, drive swash plate 12 and move to the right, make backup pad 8 and last device upwards rotate, so, can change the angle that supports patient's foot, make equipment can be better treat patient, after the angle modulation of device finishes in backup pad 8 and above that, loosen right angle pole 14, under the effect that first spring 15 resets, right angle pole 14 inserts back in draw-in groove 101, fix the position of swash plate 12, make backup pad 8 and the position of device above that obtain fixedly.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 5 and 6, the rack further includes a slide rail 16, a slide block 17 and a support rod 18, the slide rail 16 is fixedly connected to the bottom of the rack 9 through a bolt, the slide block 17 is slidably arranged in the slide rail 16, the support rod 18 is rotatably arranged at the left part of the slide groove 7, and the right end of the support rod 18 is rotatably connected to the slide block 17.
As shown in fig. 1 and 7, the guide device further comprises a guide sleeve 19, a pull rod 20, a second spring 21 and an arc-shaped rubber sleeve 22, the guide sleeve 19 is welded on the rear side of the middle of the circular block 4, the pull rod 20 is arranged in the guide sleeve 19 in a sliding manner, the second spring 21 is connected between the left portion of the pull rod 20 and the left side of the guide sleeve 19, the arc-shaped rubber sleeve 22 is connected to the front end of the pull rod 20, and the arc-shaped rubber sleeve 22 is pressed on the arc-shaped guide rod 2.
The working principle of the above embodiment is as follows: when the supporting plate 8 rotates upwards, the supporting rod 18 is driven to rotate upwards on the right side, so that the supporting rod 18 can support the supporting plate 8 and the device on the supporting plate, the equipment is more stable to use, and when the supporting plate 8 rotates downwards, the supporting rod 18 swings and resets.
When the angle of the mounting plate 5 and the device on the mounting plate is required to be changed, the pull rod 20 is pulled rightwards, the second spring 21 is compressed, the pull rod 20 moves rightwards to drive the arc-shaped rubber sleeve 22 to move rightwards, the arc-shaped rubber sleeve 22 leaves the arc-shaped guide rod 2, then the mounting plate 5 and the device on the mounting plate can be rotated, the position of the mounting plate 5 and the device on the mounting plate is adjusted completely, the pull rod 20 is loosened, the second spring 21 resets to drive the pull rod 20 to reset, the arc-shaped rubber sleeve 22 presses the arc-shaped guide rod 2 again, the position of the mounting plate 5 and the device on the mounting plate is fixed, and therefore the position of the mounting plate 5 and the device on the mounting plate can be.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (1)

1. A leg heightening device for medical care, which is characterized by comprising:
a support frame;
the front-back angle adjusting component is arranged on the supporting frame and changes the front-back angle of the foot part in a sliding way;
the foot placing component is arranged on the front and rear angle adjusting components and used for supporting the foot;
the up-down angle adjusting component is arranged on the front-back angle adjusting component and used for adjusting up-down angles in a sliding mode, and the front-back angle adjusting component comprises:
the arc-shaped guide rod is arranged on the support frame;
the arc-shaped sliding sleeve is slidably arranged on the arc-shaped guide rod;
the circular block is arranged on the arc-shaped sliding sleeve;
the mounting plate is arranged on the circular block and is rotationally connected with the support frame, and a sliding groove is formed in the mounting plate;
the foot placing component comprises:
the supporting plate is rotatably arranged on the hinge rod;
the rack is arranged between the outer sides of the supporting plates, and the upper and lower angle adjusting components comprise:
at least two U-shaped rods are arranged on the mounting plate;
the transverse plate is arranged on the U-shaped rod and provided with at least two clamping grooves;
the inclined plate is slidably mounted on the mounting plate;
the transverse guide rod is arranged on the inclined plate;
the right-angle rod is slidably mounted on the transverse guide rod and inserted into the clamping groove;
the first spring is arranged between the right-angle rod and the transverse guide rod, and the first spring also comprises:
the sliding rail is arranged on the placing rack;
the sliding block is arranged in the sliding rail in a sliding manner;
the bracing piece, the rotary type is installed in the sliding tray, and the bracing piece rotates with the sliding block to be connected, still including:
the guide sleeve is arranged on the circular block;
the pull rod is slidably arranged in the guide sleeve;
the second spring is arranged between the pull rod and the guide sleeve;
the arc rubber sleeve is arranged on the pull rod and pressed on the arc guide rod.
CN202010425824.9A 2020-05-19 2020-05-19 Leg heightening device for medical care Expired - Fee Related CN111529274B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010425824.9A CN111529274B (en) 2020-05-19 2020-05-19 Leg heightening device for medical care

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010425824.9A CN111529274B (en) 2020-05-19 2020-05-19 Leg heightening device for medical care

Publications (2)

Publication Number Publication Date
CN111529274A CN111529274A (en) 2020-08-14
CN111529274B true CN111529274B (en) 2021-07-02

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CN202010425824.9A Expired - Fee Related CN111529274B (en) 2020-05-19 2020-05-19 Leg heightening device for medical care

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113599134A (en) * 2021-09-13 2021-11-05 甘肃中医药大学附属医院 Orthopedics is with adjustable fixing device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4185622A (en) * 1979-03-21 1980-01-29 Swenson Oscar J Foot and leg exerciser
GB2208198A (en) * 1987-07-22 1989-03-15 British Aerospace Apparatus for supporting a patient in bed
DE29621653U1 (en) * 1996-12-13 1997-02-06 Dunsch Herzberg Renate Surgical aid for knee prosthetics
US5799349A (en) * 1997-11-07 1998-09-01 Petersen; Thomas D. Surgical knee holder
CN105708593A (en) * 2016-04-01 2016-06-29 中国人民解放军第四军医大学 Adjustment and treatment device for preventing foot drop
CN108714066A (en) * 2018-04-27 2018-10-30 浙江省中医院 A kind of drop foot corrector
CN109223382A (en) * 2018-10-23 2019-01-18 柳州市工人医院 Height-adjustable lower limb support device
CN209032670U (en) * 2018-05-19 2019-06-28 李国柱 A kind of medical bone surgical arthroscopic auxiliary stand
CN109984899A (en) * 2019-04-29 2019-07-09 柳州市柳铁中心医院 A kind of lower limb bolster of adjustable angle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2721043Y (en) * 2004-08-30 2005-08-31 刘珠凤 Limb fixing frame for hemiplegic patient in good posture
US7127756B2 (en) * 2004-12-03 2006-10-31 Stryker Corporation Maternity bed foot support and abduction assembly
CN202751541U (en) * 2012-07-23 2013-02-27 廖志峰 Orthopedic surgery traction bed for special fluoroscopy use
CN105232079A (en) * 2015-10-10 2016-01-13 郭哲 Dual-foot rotational positioning device
CN205460524U (en) * 2016-02-15 2016-08-17 徐晓东 Radiotherapy low limbs fixing device
US20180311102A1 (en) * 2017-04-26 2018-11-01 Andrew Maurice Frankson Muscle stretching device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4185622A (en) * 1979-03-21 1980-01-29 Swenson Oscar J Foot and leg exerciser
GB2208198A (en) * 1987-07-22 1989-03-15 British Aerospace Apparatus for supporting a patient in bed
DE29621653U1 (en) * 1996-12-13 1997-02-06 Dunsch Herzberg Renate Surgical aid for knee prosthetics
US5799349A (en) * 1997-11-07 1998-09-01 Petersen; Thomas D. Surgical knee holder
CN105708593A (en) * 2016-04-01 2016-06-29 中国人民解放军第四军医大学 Adjustment and treatment device for preventing foot drop
CN108714066A (en) * 2018-04-27 2018-10-30 浙江省中医院 A kind of drop foot corrector
CN209032670U (en) * 2018-05-19 2019-06-28 李国柱 A kind of medical bone surgical arthroscopic auxiliary stand
CN109223382A (en) * 2018-10-23 2019-01-18 柳州市工人医院 Height-adjustable lower limb support device
CN109984899A (en) * 2019-04-29 2019-07-09 柳州市柳铁中心医院 A kind of lower limb bolster of adjustable angle

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SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
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Inventor after: Yin Ming

Inventor after: Wang Ling

Inventor after: Tian Rongna

Inventor after: Shi Qun

Inventor before: Shi Qun

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20210616

Address after: 256603 Department of infectious diseases, Affiliated Hospital of Binzhou Medical College, 661 the Yellow River two road, Bincheng District, Binzhou, Shandong

Applicant after: Yin Ming

Address before: 341000 Room 301, building 2, Ganzhou maternal and child health care hospital, No.50 Dagao Road, Zhanggong District, Ganzhou City, Jiangxi Province

Applicant before: Shi Qun

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210702