CN113855411B - Wheelchair capable of preventing pressure injury - Google Patents

Wheelchair capable of preventing pressure injury Download PDF

Info

Publication number
CN113855411B
CN113855411B CN202111020650.9A CN202111020650A CN113855411B CN 113855411 B CN113855411 B CN 113855411B CN 202111020650 A CN202111020650 A CN 202111020650A CN 113855411 B CN113855411 B CN 113855411B
Authority
CN
China
Prior art keywords
fixedly connected
belt pulley
massage
belt
backrest
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.)
Active
Application number
CN202111020650.9A
Other languages
Chinese (zh)
Other versions
CN113855411A (en
Inventor
蔡福满
江小琼
黄盼
王雨欣
周敏
杨宇帆
林璐璐
钱洁宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wenzhou Medical University
Original Assignee
Wenzhou Medical University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wenzhou Medical University filed Critical Wenzhou Medical University
Priority to CN202111020650.9A priority Critical patent/CN113855411B/en
Publication of CN113855411A publication Critical patent/CN113855411A/en
Application granted granted Critical
Publication of CN113855411B publication Critical patent/CN113855411B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/006—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs convertible to stretchers or beds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A61G5/1045—Cushions specially adapted for wheelchairs for the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • A61G5/1048—Cushions specially adapted for wheelchairs for the back-rest
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A61H2201/0149—Seat or chair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1207—Driving means with electric or magnetic drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1253—Driving means driven by a human being, e.g. hand driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/08—Trunk
    • A61H2205/081—Back
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/08—Trunk
    • A61H2205/086—Buttocks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/10—Leg

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Massaging Devices (AREA)

Abstract

The invention discloses a wheelchair for preventing pressure injury in the field of medical appliances, which comprises a support frame, wherein rollers are symmetrically and rotationally connected to the left side and the right side of the rear side of the support frame, and universal wheels are symmetrically and rotationally connected to the bottom ends of the left side and the right side of the front side of the support frame; the upper end of the supporting frame is fixedly connected with a cushion, and the bottom end of the cushion and the back end of the backrest are both provided with massage mechanisms for preventing pressure injury; a driving mechanism for driving the massage mechanism to massage is arranged in the support frame; the surface of the armrest is provided with an adjusting mechanism for adjusting the rotation of the backrest; the left side and the right side of the back end of the backrest are symmetrically and fixedly connected with handles, and the surfaces of the handles are in threaded fit with threaded cylinders; the device convenient to use, easy operation can remove the heart of scattering in, massage the patient, can adjust the angle of back, can make the patient can be after sitting tired, can adjust the back to comfortable angle and lie down.

Description

Wheelchair capable of preventing pressure injury
Technical Field
The invention relates to the field of medical equipment, in particular to a wheelchair for preventing pressure injury.
Background
Pressure injuries, also known as pressure sores or bedsores, are localized injuries to the bony prominences or skin and deep soft tissues associated with medical devices due to pressure or a combination of pressure and shear forces, often found in the sacral tail, and are manifested as intact skin or open ulcers. The current global incidence of pressure injury is 12.8%, and the incidence of hospital-acquired pressure injury of adult patients is 8.5%. The investigation and research in China show that the prevalence rate of the pressure injury is about 12% in the ordinary ward, the aged care organization is 22%, and the emergency care unit is up to 23%. The occurrence of stress injuries often has serious consequences for patients, and it is reported that the occurrence of more than one stress injury for hospitalized patients leads to an increase in risk of death in hospital by 2.81 times, an increase in risk of death in 30 days of discharge by 1.69 times, and an increase in readmission rate in 30 days by 1.33 times, which also leads to stress injuries that have become one of the most common adverse events in hospitalized patients worldwide at present.
The existing wheelchair has a simple structure and less functions, when a patient sits on the wheelchair for a long time, the legs, buttocks and back of the patient can be always stressed, muscle atrophy or pressure injury is easily caused for a long time, and meanwhile, when the patient sits on the wheelchair for a long time, other people are required to lift to the bed to relieve the fatigue of the patient, so that the patient and other people are inconvenient to use.
Accordingly, the present invention provides a wheelchair for preventing pressure injury, which solves the above-mentioned problems of the prior art.
Disclosure of Invention
The present invention is directed to a wheelchair for preventing pressure injury, which solves the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the wheelchair capable of preventing pressure injury comprises a support frame, wherein rollers are symmetrically and rotationally connected to the left side and the right side of the rear side of the support frame, and universal wheels are symmetrically and rotationally connected to the bottom ends of the left side and the right side of the front side of the support frame; the upper end of the supporting frame is fixedly connected with a cushion, the back end of the cushion is rotationally connected with a backrest, the front part of the cushion is fixedly connected with a foot pad frame, and the bottom part of the foot pad frame is fixedly connected with a foot pad; armrests are symmetrically and fixedly connected to the left side and the right side of the upper end of the cushion; the bottom end and the back end of the cushion are respectively provided with a massage mechanism for preventing pressure injury; a driving mechanism for driving the massage mechanism to massage is arranged in the support frame; the surface of the armrest is provided with an adjusting mechanism for adjusting the rotation of the backrest; the left side and the right side of the back end of the backrest are symmetrically and fixedly connected with handles, and thread barrels are matched with the surfaces of the handles in a threaded mode.
As a further scheme of the invention: the driving mechanism comprises a rotating rod, a fixed plate, a first synchronous wheel, a first rectangular telescopic rod, a first bevel gear, a second bevel gear, a first belt pulley, a second belt pulley, a first belt, a connecting frame and a threaded rod; the massage device can drive the massage mechanism to automatically massage a patient when the device is pushed by the driving mechanism, so that energy can be effectively saved.
As still further aspects of the invention: the rotating rod is fixedly connected with the rollers on the left side and the right side, and the first belt pulley is fixedly connected with the rotating rod; the fixed plate is fixedly connected with the support frame, the first synchronous wheels are positioned at the left side and the right side of the fixed plate and are rotationally connected with the fixed plate, the front end of the first rectangular telescopic rod is fixedly connected with the first synchronous wheels, the rear end of the first rectangular telescopic rod is fixedly connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the second bevel gears at the left side and the right side are fixedly connected with the second belt pulley, and the first belt pulley and the second belt pulley are meshed with the first belt; the threaded rod is rotationally connected with the fixed plate and the supporting frame, the connecting frame is in threaded fit with the threaded rod, and the first bevel gear and the second bevel gear are rotationally connected with the connecting frame; can drive the gyro wheel and rotate when pushing the device, can drive first belt pulley through the dwang when the gyro wheel rotates, first belt pulley drives the second belt pulley through first belt and rotates, and the second belt pulley drives the second bevel gear of left and right sides and rotates, and the second bevel gear drives first bevel gear and rotates, and first bevel gear can drive first synchronizing wheel through first rectangle telescopic link and rotate.
As still further aspects of the invention: the massage mechanism comprises a second synchronous wheel, a first synchronous belt, a first crankshaft, a second crankshaft, a fixed block, a sliding plate, a massage block, a second rectangular telescopic rod, a universal joint and a connecting rod; the massage mechanism can massage the parts of the legs, buttocks and back of the patient which are stressed for a long time, so that the pressure injury of the patient can be effectively avoided.
As still further aspects of the invention: the fixed blocks are provided with a plurality of fixed blocks and are fixedly connected with the bottom end of the cushion and the rear end of the backrest, and the first crankshaft and the second crankshaft are respectively and rotatably connected with the fixed blocks at the bottom end of the cushion and the fixed blocks at the rear end of the backrest; the second synchronous wheel is fixedly connected with the first crankshaft, and the second synchronous wheel and the first synchronous wheel are both meshed with the first synchronous belt; the rear end of the first crankshaft and the bottom end of the second crankshaft are fixedly connected with a second rectangular telescopic rod, the other end of the second rectangular telescopic rod is fixedly connected with a universal joint, the universal joints on the upper side and the lower side are directly provided with connecting rods, and the connecting rods are fixedly connected with the universal joints on the upper side and the lower side; the first synchronous wheel can drive the second synchronous wheel to rotate through the first synchronous belt when rotating, the second synchronous wheel drives the first crankshaft to rotate when rotating, and the second crankshaft can be driven to rotate through the second rectangular telescopic rod, the universal joint and the connecting rod when the first crankshaft rotates.
As still further aspects of the invention: the surface of the cushion and the backrest are uniformly provided with a plurality of grooves penetrating through the cushion and the backrest, and the massage blocks are in sliding fit with the grooves; the sliding plate is in sliding connection with the fixed blocks on the surfaces of the cushion and the backrest, the massage block is fixedly connected with the sliding plate, the other end of the sliding plate is uniformly and rotatably connected with a plurality of connecting rods, and the other end of each connecting rod is respectively and rotatably connected with a first crankshaft and a second crankshaft; when the first crankshaft and the second crankshaft rotate, the sliding plates at the bottom end of the cushion and the rear end of the backrest can be driven to continuously slide up and down and slide back and forth on the surface of the fixed block by the connecting rods on the surfaces of the first crankshaft and the second crankshaft, and the sliding plates at the bottom end of the cushion drive the massage blocks on the surfaces of the cushion to slide up and down in the grooves on the surface of the cushion to massage the legs and buttocks of a patient; the sliding plate at the back end of the backrest drives the massage blocks on the surface of the backrest to slide back and forth in the grooves on the surface of the backrest to massage the back of a patient.
As still further aspects of the invention: the upper end part of the massage block is hemispherical, the upper part and the lower part of the massage block can be directly telescopic, a spring is arranged between the upper part and the lower part of the massage block, and the spring is fixedly connected with the upper part and the lower part of the massage block; can effectually promote the comfort level of massage when contacting with the human body through hemispherical massage piece, can play the distance that prevents that the massage piece from removing too much through the inside spring of massage piece, cause painful sense for the patient.
As still further aspects of the invention: the adjusting mechanism comprises a first motor, a worm wheel, a third synchronous wheel and a second synchronous belt; the worm wheel is meshed with the worm, the connection parts of the left side and the right side of the worm wheel and the backrest are fixedly connected with the support frame, the worm is rotationally connected with the handrail and the support frame, the third synchronizing wheel is fixedly connected with the worm, and the third synchronizing wheels on the left side and the right side are both meshed with the second synchronous belt; the surface of the handrail on the left side is fixedly connected with a first motor, and the bottom end of an output shaft of the first motor is fixedly connected with a left worm; the worm is driven to rotate through the first motor, the worm drives the third synchronous wheel at the bottom end of the worm to rotate, the third synchronous wheel at the left side can drive the third synchronous wheel at the right side to rotate through the second synchronous belt, the worm at the left side and the right side can be simultaneously rotated under the action of the third synchronous wheels at the left side and the right side, and the worm can drive the backrest to rotate relative to the cushion through the worm wheel.
As still further aspects of the invention: the surface of the rear end of the fixing plate is fixedly connected with a second motor, the right end of an output shaft of the second motor is fixedly connected with a third belt pulley, the third belt pulley is driven by a second belt to form a fourth belt pulley, and the fourth belt pulley is fixedly connected with the second belt pulley; the distance between the second belt pulley and the first belt pulley is equal to the distance between the third belt pulley and the fourth belt pulley, and the length of the second belt is longer than that of the first belt; when the patient wants to massage but can not remove the device, can drive the link through rotating the threaded rod and remove backward, can drive the second belt pulley and the fourth belt pulley on its surface simultaneously remove backward when the link removes, and first belt between second belt pulley and the first belt pulley begins to relax this moment, and second belt between third belt pulley and the fourth belt pulley begins to tighten this moment, starts the second motor, and the second motor drives the third belt pulley and rotates, and the third belt pulley can drive the fourth belt pulley through the second belt and rotate, can make this actuating mechanism drive massage mechanism and massage when the fourth belt pulley rotates.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
when the device is pushed to take a patient to scatter, the idler wheel can rotate, the rotating rod is driven to rotate when the idler wheel rotates, the rotating rod drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the first belt, the second belt pulley drives the second bevel gear to rotate, the second bevel gear drives the first synchronizing wheel to rotate through the first bevel gear and the first rectangular telescopic rod, the first synchronizing wheel drives the second synchronizing wheel to rotate through the first synchronizing belt, the second synchronizing wheel drives the first crankshaft and the second crankshaft to rotate, and the first crankshaft and the second crankshaft can drive the sliding plate to continuously drive at the bottom end of the cushion and the back end of the backrest to slide according to modules to draw massage; the device can enable the worms on the left side and the right side to rotate by starting the first motor, and the worms on the left side and the right side can adjust the backrest to the horizontal position through the worm wheel, so that a patient can lie down when sitting and accumulating; the positions of the second belt pulley and the fourth belt pulley can be adjusted by rotating the threaded rod, when the second belt pulley moves backwards, the first belt is loosened, and the second belt is tensioned, so that the massaging mechanism of the device can be controlled by the second motor; the device convenient to use, easy operation can remove the heart of scattering in, massages the patient, and the effectual muscle atrophy that prevents the patient and patient receive pressure nature damage can adjust the angle of back simultaneously, can make the patient can be after sitting tired, can adjust the back to comfortable angle and lie down.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the rear view of the present invention;
FIG. 3 is a schematic view of the overall split structure of the present invention;
FIG. 4 is a schematic diagram of a driving mechanism according to the present invention;
FIG. 5 is a schematic view of the massage mechanism of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A;
fig. 7 is a schematic view of a partial cross-sectional view of a massage block according to the present invention.
In the figure: 1-supporting frame, 2-roller, 3-universal wheel, 4-cushion, 5-backrest, 6-foot cushion, 7-foot pad, 8-armrest, 9-handle, 10-threaded cylinder, 11-rotating rod, 12-fixed plate, 13-first synchronous wheel, 14-first rectangular telescopic rod, 15-first bevel gear, 16-second bevel gear, 17-first belt pulley, 18-second belt pulley, 19-first belt, 20-connecting frame, 21-threaded rod, 22-second synchronous wheel, 23-first synchronous belt, 24-first crankshaft, 25-second crankshaft, 26-fixed block, 27-sliding plate, 28-massage block, 29-second rectangular telescopic rod, 30-universal joint, 31-connecting rod, 32-groove, 33-connecting rod, 34-spring, 35-first motor, 36-worm, 37-38-third synchronous wheel, 39-second synchronous belt, 40-second motor, 41-third belt pulley, 42-second belt pulley, 43-fourth belt pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 7, in the embodiment of the invention, a wheelchair for preventing pressure injury comprises a support frame 1, wherein rollers 2 are symmetrically and rotatably connected to the left and right sides of the rear side position of the support frame 1, and universal wheels 3 are symmetrically and rotatably connected to the bottom ends of the left and right sides of the front side position of the support frame 1; the upper end of the support frame 1 is fixedly connected with a cushion 4, the rear end position of the cushion 4 is rotationally connected with a backrest 5, the front position of the cushion 4 is fixedly connected with a foot pad frame 6, and the bottom position of the foot pad frame 6 is fixedly connected with a foot pad 7; armrests 8 are symmetrically and fixedly connected to the left side and the right side of the upper end of the cushion 4; the bottom end of the cushion 4 and the rear end of the backrest 5 are respectively provided with a massage mechanism for preventing pressure injury; a driving mechanism for driving the massage mechanism to massage is arranged in the support frame 1; the surface of the armrest 8 is provided with an adjusting mechanism for adjusting the rotation of the backrest 5; the left side and the right side of the back end of the backrest 5 are symmetrically and fixedly connected with a handle 9, and a thread cylinder 10 is in threaded fit with the surface of the handle 9.
In this embodiment: the driving mechanism comprises a rotating rod 11, a fixed plate 12, a first synchronous wheel 13, a first rectangular telescopic rod 14, a first bevel gear 15, a second bevel gear 16, a first belt pulley 17, a second belt pulley 18, a first belt 19, a connecting frame 20 and a threaded rod 21; the massage device can drive the massage mechanism to automatically massage a patient when the device is pushed by the driving mechanism, so that energy can be effectively saved.
In this embodiment: the rotating rod 11 is fixedly connected with the rollers 2 on the left side and the right side, and the first belt pulley 17 is fixedly connected with the rotating rod 11; the fixed plate 12 is fixedly connected with the support frame 1, the first synchronous wheels 13 are positioned at the left side and the right side of the fixed plate 12, the first synchronous wheels 13 are rotationally connected with the fixed plate 12, the front end of the first rectangular telescopic rod 14 is fixedly connected with the first synchronous wheels 13, the rear end of the first rectangular telescopic rod 14 is fixedly connected with the first bevel gear 15, the first bevel gear 15 is meshed with the second bevel gear 16, the second bevel gears 16 at the left side and the right side are fixedly connected with the second belt pulley 18, and the first belt pulley 17 and the second belt pulley 18 are meshed with the first belt 19; the threaded rod 21 is rotationally connected with the fixed plate 12 and the support frame 1, the connecting frame 20 is in threaded fit with the threaded rod 21, and the first bevel gear 15 and the second bevel gear 16 are rotationally connected with the connecting frame 20; the roller 2 can be driven to rotate when the device is pushed, the first belt pulley 17 can be driven to rotate through the rotating rod 11 when the roller 2 rotates, the first belt pulley 17 drives the second belt pulley 18 to rotate through the first belt 19, the second belt pulley 18 drives the second bevel gears 16 on the left side and the right side to rotate, the second bevel gears 16 drive the first bevel gears 15 to rotate, and the first bevel gears 15 can drive the first synchronous wheels 13 to rotate through the first rectangular telescopic rod 14.
In this embodiment: the massage mechanism comprises a second synchronous wheel 22, a first synchronous belt 23, a first crank shaft 24, a second crank shaft 25, a fixed block 26, a sliding plate 27, a massage block 28, a second rectangular telescopic rod 29, a universal joint 30 and a connecting rod 31; the massage mechanism can massage the parts of the legs, buttocks and back of the patient which are stressed for a long time, so that the pressure injury of the patient can be effectively avoided.
In this embodiment: the fixed blocks 26 are provided with a plurality of fixed blocks and fixedly connected with the bottom end of the cushion 4 and the rear end of the backrest 5, and the first crankshaft 24 and the second crankshaft 25 are respectively and rotatably connected with the fixed blocks 26 at the bottom end of the cushion 4 and the fixed blocks 26 at the rear end of the backrest 5; the second synchronizing wheel 22 is fixedly connected with the first crankshaft 24, and the second synchronizing wheel 22 and the first synchronizing wheel 13 are both meshed with the first synchronizing belt 23; the rear end of the first crankshaft 24 and the bottom end of the second crankshaft 25 are fixedly connected with a second rectangular telescopic rod 29, the other end of the second rectangular telescopic rod 29 is fixedly connected with a universal joint 30, the universal joints 30 on the upper side and the lower side are directly provided with connecting rods 31, and the connecting rods 31 are fixedly connected with the universal joints 30 on the upper side and the lower side; the first synchronizing wheel 13 can drive the second synchronizing wheel 22 to rotate through the first synchronizing belt 23 when rotating, the second synchronizing wheel 22 drives the first crankshaft 24 to rotate when rotating, and the second crankshaft 25 can be driven to rotate through the second rectangular telescopic rod 29, the universal joint 30 and the connecting rod 31 when the first crankshaft 24 rotates.
In this embodiment: the surfaces of the cushion 4 and the backrest 5 are uniformly provided with a plurality of grooves 32 penetrating through the cushion 4 and the backrest 5, and the massage blocks 28 are in sliding fit with the grooves 32; the sliding plate 27 is in sliding connection with the fixed blocks 26 on the surfaces of the cushion 4 and the backrest 5, the massage blocks 28 are fixedly connected with the sliding plate 27, the other end of the sliding plate 27 is uniformly and rotatably connected with a plurality of connecting rods 33, and the other ends of the connecting rods 33 are respectively and rotatably connected with the first crankshaft 24 and the second crankshaft 25; when the first crankshaft 24 and the second crankshaft 25 rotate, the sliding plate 27 at the bottom end of the cushion 4 and the rear end of the backrest 5 can be driven to continuously slide up and down and slide back and forth on the surface of the fixed block 26 by the connecting rods 33 on the surfaces of the first crankshaft 24 and the second crankshaft 25, and the sliding plate 27 at the bottom end of the cushion 4 drives the massage block 28 on the surface of the cushion 4 to slide up and down in the grooves 32 on the surface of the cushion 4 to massage the legs and the buttocks of a patient; the sliding plate 27 at the rear end of the backrest 5 drives the massage blocks 28 on the surface of the backrest 5 to slide back and forth in the grooves 32 on the surface of the backrest 5 to massage the back of the patient.
In this embodiment: the upper end part of the massage block 28 is hemispherical, the upper part and the lower part of the massage block 28 can be directly telescopic, a spring 34 is arranged between the upper part and the lower part of the massage block 28, and the spring 34 is fixedly connected with the upper part and the lower part of the massage block 28; the comfort level of massage can be effectively improved when the hemispherical massage block 28 is contacted with a human body, and the springs 34 in the massage block 28 can prevent the massage block 28 from moving too much distance, so that pain is caused to a patient.
In this embodiment: the adjusting mechanism comprises a first motor 35, a worm 36, a worm wheel 37, a third synchronous wheel 38 and a second synchronous belt 39; the worm wheel 37 is meshed with the worm 36, the connection parts of the worm wheel 37 and the support frame 1 on the left side and the right side of the backrest 5 are fixedly connected, the worm 36 is rotationally connected with the handrail 8 and the support frame 1, the third synchronizing wheel 38 is fixedly connected with the worm 36, and the third synchronizing wheels 38 on the left side and the right side are both meshed with the second synchronizing belt 39; the surface of the left handrail 8 is fixedly connected with a first motor 35, and the bottom end of an output shaft of the first motor 35 is fixedly connected with a left worm 36; the first motor 35 drives the worm 36 to rotate, the worm 36 drives the third synchronizing wheel 38 at the bottom end of the worm 36 to rotate, the third synchronizing wheel 38 at the left side can drive the third synchronizing wheel 38 at the right side to rotate through the second synchronizing belt 39, the worm 36 at the left side and the right side can rotate simultaneously under the action of the third synchronizing wheels 38 at the left side and the right side, and the worm 36 can drive the backrest 5 to rotate relative to the cushion 4 through the worm wheel 37.
In this embodiment: the surface of the rear end of the fixed plate 12 is fixedly connected with a second motor 40, the right end of an output shaft of the second motor 40 is fixedly connected with a third belt pulley 41, the third belt pulley 41 is driven by a fourth belt pulley 43 through a second belt 42, and the fourth belt pulley 43 is fixedly connected with the second belt pulley 18; the distance between the second pulley 18 and the first pulley 17 is equal to the distance between the third pulley 41 and the fourth pulley 43, the length of the second belt 42 being greater than the length of the first belt 19; when the patient wants to massage but cannot move the device, the connecting frame 20 can be driven to move backwards by rotating the threaded rod 21, the second belt pulley 18 and the fourth belt pulley 43 on the surface of the connecting frame 20 can be driven to move backwards simultaneously when the connecting frame 20 moves, at the moment, the first belt 19 between the second belt pulley 18 and the first belt pulley 17 starts to be loosened, at the same time, the second belt 42 between the third belt pulley 41 and the fourth belt pulley 43 starts to be tensioned, at the moment, the second motor 40 is started, the second motor 40 drives the third belt pulley 41 to rotate, the third belt pulley 41 can drive the fourth belt pulley 43 to rotate through the second belt pulley 42, and the driving mechanism can drive the massage mechanism to massage when the fourth belt pulley 43 rotates.
The working principle of the invention is as follows:
when the device is used, a user can push the device to move through the handle 9 and the thread cylinder 10, the roller 2 can rotate when the device moves, the roller 2 can drive the first belt pulley 17 to rotate through the rotating rod 11 when rotating, the first belt pulley 17 drives the second belt pulley 18 to rotate through the first belt 19, the second belt pulley 18 drives the second bevel gears 16 on the left side and the right side to rotate, the second bevel gears 16 drive the first bevel gears 15 to rotate, the first bevel gears 15 can drive the first synchronous wheels 13 to rotate through the first rectangular telescopic rods 14, the first synchronous wheels 13 can drive the second synchronous wheels 22 to rotate through the first synchronous belts 23, the second synchronous wheels 22 can drive the first crankshafts 24 to rotate when rotating, and the second crankshafts 25 can be driven to rotate through the second rectangular telescopic rods 29, universal joints 30 and the connecting rods 31 when the first crankshafts 24 rotate; when the first crankshaft 24 and the second crankshaft 25 rotate, the sliding plate 27 at the bottom end of the cushion 4 and the rear end of the backrest 5 can be driven to continuously slide up and down and slide back and forth on the surface of the fixed block 26 by the connecting rods 33 on the surfaces of the first crankshaft 24 and the second crankshaft 25, and the sliding plate 27 at the bottom end of the cushion 4 drives the massage block 28 on the surface of the cushion 4 to slide up and down in the grooves 32 on the surface of the cushion 4 to massage the legs and the buttocks of a patient; the sliding plate 27 at the rear end of the backrest 5 drives the massage blocks 28 on the surface of the backrest 5 to slide back and forth in the grooves 32 on the surface of the backrest 5 to massage the back of a patient;
when the patient does not want to massage when the device moves, the connecting frame 20 can be driven to move backwards by rotating the threaded rod 21, and the second belt pulley 18 and the fourth belt pulley 43 on the surface of the connecting frame 20 can be driven to move backwards simultaneously when the connecting frame 20 moves, at the same time, the first belt 19 between the second belt pulley 18 and the first belt pulley 17 starts to be loosened, and the second belt 42 between the third belt pulley 41 and the fourth belt pulley 43 starts to be tensioned; when the first belt 19 is loosened and the device is pushed, the rotating rod 11 and the first belt pulley 17 cannot drive the second belt pulley 18 to rotate when rotating;
when a patient cannot move in the device and wants to massage, the threaded rod 21 is rotated to tighten the second belt 42, then the second motor 40 is started, the second motor 40 drives the third belt pulley 41 to rotate, the third belt pulley 41 can drive the fourth belt pulley 43 to rotate through the second belt 42, and the fourth belt pulley 43 drives the second bevel gears 16 on the left side and the right side to rotate, so that the whole driving mechanism can drive the massage mechanism to massage;
when a patient sits, the threaded cylinder 10 on the surface of the handle 9 is rotated firstly, the threaded cylinder 10 rotates backwards for a certain distance, then the first motor 35 is started, the first motor 35 drives the worm 36 to rotate, the worm 36 drives the third synchronizing wheel 38 at the bottom end of the threaded cylinder to rotate, the third synchronizing wheel 38 at the left side can drive the third synchronizing wheel 38 at the right side to rotate through the second synchronizing belt 39, the worm 36 at the left side and the right side can be simultaneously rotated under the action of the third synchronizing wheels 38 at the left side and the right side, the worm 36 can drive the backrest 5 to rotate relative to the cushion 4 through the worm wheel 37, so that the backrest 5 can be leveled, the patient can lie down at the moment, and the threaded cylinder 10 at the rear end of the backrest 5 can play a role in supporting the backrest 5.

Claims (7)

1. Prevent pressure nature damage wheelchair, including support frame (1), its characterized in that: the left and right sides of the back side position of the support frame (1) are symmetrically and rotationally connected with idler wheels (2), and the left and right sides of the front side position of the support frame (1) are symmetrically and rotationally connected with universal wheels (3); the upper end of the supporting frame (1) is fixedly connected with a cushion (4), the back end of the cushion (4) is rotationally connected with a backrest (5), the front part of the cushion (4) is fixedly connected with a foot pad frame (6), and the bottom of the foot pad frame (6) is fixedly connected with a foot pad (7); armrests (8) are symmetrically and fixedly connected to the left side and the right side of the upper end of the cushion (4); the bottom end of the cushion (4) and the rear end of the backrest (5) are respectively provided with a massage mechanism for preventing pressure injury; a driving mechanism for driving the massage mechanism to massage is arranged in the support frame (1); the surface of the armrest (8) is provided with an adjusting mechanism for adjusting the rotation of the backrest (5); the left side and the right side of the rear end of the backrest (5) are symmetrically and fixedly connected with handles (9), and a thread cylinder (10) is in threaded fit with the surfaces of the handles (9);
the driving mechanism comprises a rotating rod (11), a fixed plate (12), a first synchronous wheel (13), a first rectangular telescopic rod (14), a first bevel gear (15), a second bevel gear (16), a first belt pulley (17), a second belt pulley (18), a first belt (19), a connecting frame (20) and a threaded rod (21);
the rotating rod (11) is fixedly connected with the rollers (2) at the left side and the right side, and the first belt pulley (17) is fixedly connected with the rotating rod (11); the fixed plate (12) is fixedly connected with the support frame (1), the first synchronous wheels (13) are positioned at the left side and the right side of the fixed plate (12), the first synchronous wheels (13) are rotationally connected with the fixed plate (12), the front end of the first rectangular telescopic rod (14) is fixedly connected with the first synchronous wheels (13), the rear end of the first rectangular telescopic rod (14) is fixedly connected with the first bevel gear (15), the first bevel gear (15) is meshed with the second bevel gear (16), the second bevel gears (16) at the left side and the right side are fixedly connected with the second belt pulley (18), and the first belt pulley (17) and the second belt pulley (18) are meshed with the first belt (19); the threaded rod (21) is rotationally connected with the fixed plate (12) and the supporting frame (1), the connecting frame (20) is in threaded fit with the threaded rod (21), and the first bevel gear (15) and the second bevel gear (16) are rotationally connected with the connecting frame (20).
2. The pressure injury prevention wheelchair of claim 1, wherein: the massage mechanism comprises a second synchronous wheel (22), a first synchronous belt (23), a first crank shaft (24), a second crank shaft (25), a fixed block (26), a sliding plate (27), a massage block (28), a second rectangular telescopic rod (29), a universal joint (30) and a connecting rod (31).
3. The pressure injury prevention wheelchair of claim 2, wherein: the fixed blocks (26) are provided with a plurality of fixed blocks which are fixedly connected with the bottom end of the cushion (4) and the rear end of the backrest (5), and the first crankshaft (24) and the second crankshaft (25) are respectively and rotatably connected with the fixed blocks (26) at the bottom end of the cushion (4) and the fixed blocks (26) at the rear end of the backrest (5); the second synchronous wheel (22) is fixedly connected with the first crankshaft (24), and the second synchronous wheel (22) and the first synchronous wheel (13) are meshed with the first synchronous belt (23); the rear end of the first crankshaft (24) and the bottom end of the second crankshaft (25) are fixedly connected with a second rectangular telescopic rod (29), the other end of the second rectangular telescopic rod (29) is fixedly connected with a universal joint (30), connecting rods (31) are directly arranged on the upper side and the lower side of the universal joint (30), and the connecting rods (31) are fixedly connected with the universal joints (30) on the upper side and the lower side.
4. The pressure injury prevention wheelchair of claim 2, wherein: the surfaces of the cushion (4) and the backrest (5) are uniformly provided with a plurality of grooves (32) penetrating through the cushion (4) and the backrest (5), and the massage blocks (28) are in sliding fit with the grooves (32); the massage device is characterized in that the sliding plate (27) is in sliding connection with the fixed blocks (26) on the surfaces of the cushion (4) and the backrest (5), the massage blocks (28) are fixedly connected with the sliding plate (27), a plurality of connecting rods (33) are uniformly and rotatably connected to the other ends of the sliding plate (27), and the other ends of the connecting rods (33) are respectively and rotatably connected with the first crankshaft (24) and the second crankshaft (25).
5. The pressure injury prevention wheelchair of claim 2, wherein: the upper end part of the massage block (28) is hemispherical, the upper part and the lower part of the massage block (28) can directly stretch and retract, a spring (34) is arranged between the upper part and the lower part of the massage block (28), and the spring (34) is fixedly connected with the upper part and the lower part of the massage block (28).
6. The pressure injury prevention wheelchair of claim 1, wherein: the adjusting mechanism comprises a first motor (35), a worm (36), a worm wheel (37), a third synchronous wheel (38) and a second synchronous belt (39); the worm wheel (37) is meshed with the worm (36), the connection parts of the worm wheel (37) and the backrest (5) at the left side and the right side are fixedly connected with the support frame (1), the worm (36) is rotationally connected with the handrail (8) and the support frame (1), the third synchronizing wheel (38) is fixedly connected with the worm (36), and the third synchronizing wheels (38) at the left side and the right side are both meshed with the second synchronizing belt (39); the left side handrail (8) surface fixedly connected with first motor (35), first motor (35) output shaft bottom and left side worm (36) fixed connection.
7. The pressure injury prevention wheelchair of claim 1, wherein: the surface of the rear end of the fixed plate (12) is fixedly connected with a second motor (40), the right end of an output shaft of the second motor (40) is fixedly connected with a third belt pulley (41), the third belt pulley (41) is driven by a fourth belt pulley (43) through a second belt (42), and the fourth belt pulley (43) is fixedly connected with the second belt pulley (18); the distance between the second belt pulley (18) and the first belt pulley (17) is equal to the distance between the third belt pulley (41) and the fourth belt pulley (43), and the length of the second belt (42) is longer than that of the first belt (19).
CN202111020650.9A 2021-09-01 2021-09-01 Wheelchair capable of preventing pressure injury Active CN113855411B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111020650.9A CN113855411B (en) 2021-09-01 2021-09-01 Wheelchair capable of preventing pressure injury

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111020650.9A CN113855411B (en) 2021-09-01 2021-09-01 Wheelchair capable of preventing pressure injury

Publications (2)

Publication Number Publication Date
CN113855411A CN113855411A (en) 2021-12-31
CN113855411B true CN113855411B (en) 2023-09-12

Family

ID=78989228

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111020650.9A Active CN113855411B (en) 2021-09-01 2021-09-01 Wheelchair capable of preventing pressure injury

Country Status (1)

Country Link
CN (1) CN113855411B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115337173B (en) * 2022-08-03 2024-01-26 淮安市中医院 Anus postoperative pressure pad and comfort level adjusting device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209474998U (en) * 2018-07-06 2019-10-11 常州市第一人民医院 A kind of wheelchair
CN110403776A (en) * 2019-08-22 2019-11-05 大连理工大学 A kind of multifunctional intellectual wheelchair
CN112472439A (en) * 2021-01-11 2021-03-12 南京陌上星商贸有限公司 Electric wheelchair with paralysis rehabilitation massage function
CN213283868U (en) * 2020-04-20 2021-05-28 贺结硕 Wheelchair with leg massage structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209474998U (en) * 2018-07-06 2019-10-11 常州市第一人民医院 A kind of wheelchair
CN110403776A (en) * 2019-08-22 2019-11-05 大连理工大学 A kind of multifunctional intellectual wheelchair
CN213283868U (en) * 2020-04-20 2021-05-28 贺结硕 Wheelchair with leg massage structure
CN112472439A (en) * 2021-01-11 2021-03-12 南京陌上星商贸有限公司 Electric wheelchair with paralysis rehabilitation massage function

Also Published As

Publication number Publication date
CN113855411A (en) 2021-12-31

Similar Documents

Publication Publication Date Title
US8011044B1 (en) Pressure relieving body support
CN210250473U (en) Department of neurology nurses with low limbs nursing massage equipment
CN113855411B (en) Wheelchair capable of preventing pressure injury
CN115429613A (en) Diabetic foot of endocrinology department is with device of creating clearly
CN211512549U (en) Postoperative rehabilitation physiotherapy bed
CN112353628A (en) Orthopedic spine correction massage device with far infrared treatment function
CN111529300A (en) Pain relieving device for peace treatment and protection of advanced tumor patients of old people
CN113288617B (en) Department of neurology bed patient is with preventing pressing sore device
US9775754B1 (en) Convertible wheelchair
CN210158834U (en) Lumbar vertebra protrusion reduction rehabilitation treatment bed
CN210447406U (en) Medical rehabilitation multifunctional electric cart for old patients to relieve bowels
CN211095974U (en) Medical treatment diabetes nursing device
CN112914851A (en) Safety nursing chair suitable for old people and non-amputated patients
CN210124926U (en) Remove cerebral apoplexy rehabilitation car
CN210170317U (en) Auxiliary device for medical rehabilitation
CN213964082U (en) Lifting pillow with limb fixing function
CN213607540U (en) Convertible wheelchair
CN215229582U (en) Strutting arrangement is used in recovered branch of academic or vocational study nursing
CN216365465U (en) Traction support for orthopedic rehabilitation
CN221084547U (en) Orthopedics patient nurses low limbs exercise device
CN114366457B (en) Fixing and transferring device for patient with lower limb trauma
CN210384232U (en) Multifunctional wheelchair with prevention and treatment of pressure sores and climbing
CN215081688U (en) Severe patient prevention drop foot nursing device
CN211213936U (en) Orthopedics is clinical has shank support function's seat
CN215938180U (en) Movable treatment chair

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant