CN110292511B - Kneeling type crutch special for foot sprain patient - Google Patents
Kneeling type crutch special for foot sprain patient Download PDFInfo
- Publication number
- CN110292511B CN110292511B CN201910544342.2A CN201910544342A CN110292511B CN 110292511 B CN110292511 B CN 110292511B CN 201910544342 A CN201910544342 A CN 201910544342A CN 110292511 B CN110292511 B CN 110292511B
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- knee
- limiting plate
- rod
- fixed
- manual telescopic
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- 206010024453 Ligament sprain Diseases 0.000 title claims abstract description 19
- 210000003127 knee Anatomy 0.000 claims abstract description 34
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 240000004282 Grewia occidentalis Species 0.000 claims abstract description 10
- 230000035939 shock Effects 0.000 claims description 21
- 239000006096 absorbing agent Substances 0.000 claims description 20
- 210000000629 knee joint Anatomy 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 6
- 241001166076 Diapheromera femorata Species 0.000 claims description 3
- 210000000544 articulatio talocruralis Anatomy 0.000 description 9
- 210000002414 leg Anatomy 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 210000003491 skin Anatomy 0.000 description 6
- 208000010040 Sprains and Strains Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 206010060820 Joint injury Diseases 0.000 description 3
- 230000017531 blood circulation Effects 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 210000003423 ankle Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 210000004417 patella Anatomy 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 208000017899 Foot injury Diseases 0.000 description 1
- 206010023204 Joint dislocation Diseases 0.000 description 1
- 206010061225 Limb injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Classifications
-
- 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
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/02—Crutches
- A61H3/0244—Arrangements for storing or keeping upright when not in use
-
- 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
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/02—Crutches
- A61H2003/0205—Crutches with no pivoting movement during use, e.g. tripods
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a kneeling crutch special for foot sprain patients, which comprises a vertical manual telescopic rod with an adjusting switch and four-corner supporting frames, wherein the bottom of the vertical manual telescopic rod is fixedly connected with the four-corner supporting frames, the top end of the vertical manual telescopic rod is provided with a pin shaft, the top end of the vertical manual telescopic rod is penetrated with an arc-shaped limiting rod, the pin shaft penetrates through the rod wall of the vertical telescopic rod and the middle part of the arc-shaped limiting rod and is vertical to the arc-shaped limiting rod, and one end of the pin shaft is sleeved with a locking nut and an anti-skid washer matched with the locking nut; the knee pad is characterized in that the top side of the pin shaft is connected with a composite hinge shaft, the top side of the composite hinge shaft is tightly fixed with a knee pad groove, the pin shaft is hinged with the knee pad groove through the composite hinge shaft, a knee pad belt is arranged in the knee pad groove, and fixing belts for fixing the knees and the shanks of the patient are integrally arranged on two sides of the knee pad belt.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a kneeling crutch for assisting a patient with foot injury to perform activities.
Background
In the existing orthopedics department, ankle joint fracture and sprain are common clinical diseases, the ankle joint injury directly causes the problem of incapability of walking, and the ankle joint is easily caused to have reduced immunity after being injured, so that secondary sprain can be caused. Because the ankle joint is the closest heavy burden joint of human body from ground, the stability of ankle joint plays important effect to normal clear of daily activity and sports, after ankle joint sprain, doctor can inspect whether patient's joint dislocation to carry out appropriate detumescence and massage according to the condition, and let the patient utilize the walking stick to carry out supplementary walking, in order to alleviate patient's ankle bearing capacity, make patient's ankle's recovery speed obtain improving.
The existing crutch for ankle joint injury rehabilitation is divided into a crutch, an elbow crutch and an armpit crutch, after ankle sprain, the armpit crutch is used for replacing one leg to walk, the patient needs to tighten leg muscles deliberately in the process of leaning on the crutch, so that the blood circulation effect of the injured leg is poor, the recovery of the patient is affected, and the maintenance time of the bone joint injury is longer, generally more than 2 months, all actions of the patient are finished by relying on the armpit crutch during the period, the skin of the armpit is one of the weakest skin in the epidermis of a human body, and long-time leaning on the crutch can lead the skin of the armpit of the patient to be worn, and discomfort and even pain are brought to the patient.
The crutch capable of assisting a patient in moving when ankle joint is sprain is designed, the patient does not need to tighten leg muscles and does not hurt armpit skin of the patient, and the crutch is a problem to be solved.
Disclosure of Invention
Aiming at the defects and problems in the prior art, the invention provides the crutch capable of assisting a patient in moving when the ankle joint is sprain, without the need of the patient to tighten leg muscles and without damaging the armpit skin of the patient.
The first scheme adopted by the invention for solving the technical problems is as follows: a kneeling crutch special for foot sprain patients comprises a supporting rod, an arc limiting plate, a knee-attaching groove body and a knee-protecting belt, wherein a fixed shaft hole is formed in the middle of the arc limiting plate, a middle convex plate is arranged upwards in the middle, a movable shaft hole is formed in the center of the middle convex plate, and side convex plates are symmetrically arranged on two sides of the middle convex plate; the top of the supporting rod is provided with a top shaft hole and is provided with a locking shaft, and a fixed shaft hole of the arc-shaped limiting plate is sleeved on the locking shaft and is locked by the locking shaft; the knee pad groove comprises a knee pad groove body, wherein the upper side of the knee pad groove body is provided with a groove matched and attached with the knee part of a human body, knee pad belts are fixed on two sides of the groove, a parallel plate support is arranged on the lower side of the knee pad groove body, a shaft hole is formed in the parallel plate support, and the shaft hole and a moving shaft hole of an arc limiting plate are simultaneously hinged to a composite hinge shaft.
The upper end of the supporting rod is provided with a shock absorber, the shock absorber comprises a column casing fixedly connected with the supporting rod, a spring is sleeved in the column casing, the upper end of the column casing is provided with an opening, an annular baffle table is arranged at the edge of the opening or a fixed cover is arranged on the opening, a rotary stop block is matched and sleeved in the column casing, the rotary stop block is upwards connected with a top rod, the upper end of the top rod is provided with a fixed connecting plate, and a top shaft hole is positioned in the middle of the fixed connecting plate.
The support rod is a vertical manual telescopic rod or a fixed-height support rod, and the vertical manual telescopic rod comprises an outer sleeve rod and an inner sleeve rod which are matched and sleeved and then locked through an adjusting locking wire.
The novel bolt is characterized by at least comprising more than two arc limiting plates, wherein a fit gap is formed between every two adjacent arc limiting plates, a telescopic gasket is sleeved in the fit gap of each of the two side protruding plates, a strip-shaped hole is formed in the telescopic gasket, a round hole is formed in each of the side protruding plates, and the bolt penetrates through the round hole and the strip-shaped hole and is fixed by a nut.
The scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a special kneeling type walking stick for foot sprain patient, includes the vertical manual telescopic link that has the regulation lock silk and four corners support frame or the triangular support frame of its bottom, and vertical manual telescopic link bottom connection is fixed with four corners support frame or triangular support frame, the top of vertical manual telescopic link is equipped with the lock axle, and the arc limiting plate has been worn on the top of vertical manual link, and the lock axle passes the middle part of the pole wall of vertical telescopic link and arc limiting plate to perpendicular with the arc limiting plate, the one end cover of lock axle is equipped with lock nut and the anti-skidding packing ring that matches with lock nut, and one side of anti-skidding packing ring is equipped with the draw-in groove that is used for the card to solid arc limiting plate; the top side of the lock shaft is connected with a composite hinge shaft, the top side of the composite hinge shaft is tightly fixed with a knee-joint groove body, the lock shaft is hinged with the knee-joint groove body through the composite hinge shaft, a knee-pad belt is arranged in the knee-joint groove body, and two sides of the knee-pad belt are integrally provided with connecting seats for fixing the knees of a patient.
Preferably, a certain gap is formed between the two ends of the arc-shaped limiting plate and the bottom side of the knee-attaching groove body, and the sum of the distances between the two ends of the arc-shaped limiting plate and the bottom side of the knee-attaching groove body is smaller than 3cm.
Preferably, the bottom of the vertical manual telescopic rod is a screw, at least two fixing nuts are sleeved outside the screw, and the four-corner support frame is sleeved outside the manual telescopic rod and is fixed through the two fixing nuts.
Preferably, a shock absorber is arranged between the vertical manual telescopic rod and the lock shaft, the shock absorber is sleeved at the top end of the vertical manual telescopic rod and is tightly welded and fixed with the vertical manual telescopic rod, a damping spring is arranged in the shock absorber, a rotation stop block is arranged at the top end of the damping spring, the top side of the rotation stop block is tightly welded and fixed with a shaft seat of the lock shaft, and a fixing cover is fixed at the top end of the shock absorber through a fixing screw.
Preferably, the inside of the knee-pad belt is filled with a flexible liner, and the flexible liner is sewn and fixed with the knee-pad belt.
Preferably, the arc limiting plate is uniformly provided with positioning holes, the arc limiting plate penetrates through one side of the rod wall of the vertical manual telescopic rod, at least two through holes are formed in the other side rod wall of the vertical manual telescopic rod, anti-slip screws are respectively arranged in the through holes, and the anti-slip screws are inserted into the locking holes of the arc limiting plate.
The invention has the beneficial effects that: the knee pad is directly fixed with the knee of the patient, so that the traditional crutch is replaced, the patient does not need to use an underarm support crutch in the moving process, the condition that the skin of the underarm is worn after the crutch is used for a long time is avoided, the use experience of the patient is improved, and the pain of the patient caused by the traditional crutch in use is avoided; and when the patient walks, the patient can walk through the injured legs like normal, and the blood circulation speed of the legs is driven in the walking process, so that the recovery speed of the patient is improved to a certain extent.
Drawings
Fig. 1 is a schematic overall structure of a first embodiment of the present invention.
Fig. 2 is a diagram showing the overall structure of the second embodiment of the present invention.
FIG. 3 is a schematic diagram of the usage status structure of the present invention.
Fig. 4 is a schematic view of the knee brace of fig. 3.
FIG. 5 is a schematic view of the cross-sectional structure A-A of FIG. 1.
Fig. 6 is a schematic front view of the arc-shaped limiting plate in fig. 5.
Fig. 7 is a schematic perspective view of the arc-shaped limiting plate in fig. 5.
Fig. 8 is a schematic overall structure of a first embodiment of the second embodiment of the present invention.
Fig. 9 is a second embodiment of the present invention showing the overall structure.
Fig. 10 is a section B-B of fig. 8 according to the present invention.
Fig. 11 is a schematic view of another embodiment of a knee brace of the present invention.
Fig. 12 is a schematic view of the internal structure of the shock absorber of the present invention.
FIG. 13 is a second embodiment of the present invention.
Fig. 14 is a schematic overall structure of a third embodiment of the present invention.
Fig. 15 is an enlarged view of the C section of fig. 14 according to the present invention.
Fig. 16 is a schematic structural view of a fourth embodiment of the present invention.
Reference numerals in the drawings: 1 is a four-corner supporting frame, 2 is a fixed screw, 3 is an adjusting locking wire, 4 is a vertical manual telescopic rod, 41 is an outer sleeve, 42 is an inner sleeve rod, 43 is a fixed-height supporting rod, 5 is a shock absorber, 51 is a cylindrical barrel, 52 is a spring, 53 is an ejector rod, 54 is a rotating stop block, 55 is a fixed connecting plate, 6 is a locking shaft, 61 is a fixed shaft hole, 7 is an arc-shaped limiting plate, 71 is a middle convex plate, 72 is a side convex plate, 73 is a bolt, 74 is a telescopic gasket, 75 is a strip-shaped hole, 8 is a composite hinge shaft, 81 is a movable shaft hole, 9 is a knee-attaching groove body, 10 is a locking nut, 11 is a slowing washer, 12 is a knee-protecting belt, 13 is a flexible gasket, 14 is a connecting seat, 16 is a shock absorbing spring, 16 is a fixed seat, 17 is a fixed cover, 18 is a clamping groove, 19 is a strip-shaped waist hole, 20 is a locking hole, 21 is a positioning hole, 22 is a telescopic rod, 23 is a parallel plate support.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Example 1: a kneeling crutch as shown in figures 1 and 2, which is specially used for patients with foot sprains. The crutch mainly comprises a supporting rod, an arc limiting plate 7, a knee-pad groove body 9, a knee-pad belt 12 and the like. The bottom of the supporting rod is connected with the four-corner supporting frame 1 through a fixed screw nut so as to improve the ground grabbing capacity and stability of the supporting rod.
The structure of the arc-shaped limiting plate 7 is shown in fig. 6 and 7, the front surface of the arc-shaped limiting plate is of a mountain-shaped structure, and a fixed shaft hole is arranged in the middle of the arc-shaped limiting plate close to the bottom. The middle part upwards sets up well flange 71, and well flange center sets up the shaft hole, and well flange bilateral symmetry is provided with limit flange 72.
As shown in fig. 5, a top shaft hole is arranged at the top of the supporting rod and is provided with a lock shaft 6, and a fixed shaft hole of an arc limiting plate 7 is sleeved on the lock shaft and is locked by the lock shaft.
The upper side of the knee-pad groove body 9 is provided with a groove matched and attached with the knee part of the human body, and the two sides of the groove are fixed with knee-pad belts 12 as shown in fig. 3 and 4. The lower side of the knee-joint groove body is provided with a parallel plate support 23 which is four parallel plates, the parallel plate support is provided with a shaft hole, and the shaft hole and a movable shaft hole 81 of the arc limiting plate are simultaneously hinged to the composite hinge shaft 8. The flexible cushion layer is sleeved in the groove of the knee-pad groove body 9, so that wearing comfort can be improved.
The three arc limiting plates adopted in the embodiment are shown in fig. 5, and fit gaps exist between adjacent arc limiting plates. The three arc limiting plates and the four parallel plate supports are mutually sleeved and then are provided with the composite hinge shaft. Therefore, the lock shaft can lock the arc limiting plate at any swinging angle, and the two angles shown in fig. 1 and 2 are respectively, and the angle shown in fig. 2 is the most common angle. The compound hinge shaft is a part which allows the knee-attaching groove body to swing back and forth on the arc-shaped limiting plate, and the range of the back and forth swing is limited by the side convex plates at the two sides of the arc-shaped limiting plate, namely, the range of the back and forth swing is limited and adjustable. The support rods and the four-corner support frames below the support rods are in an automatic sagging state when the support rods swing forwards and backwards, so that the support rods are easy to operate. The adopted arc limiting plates and parallel plate support structures can realize the forward and backward swinging of the support rods, do not allow the left and right swinging, and only allow the support rods to have the forward and backward swinging function.
In addition, telescopic gaskets 74 are sleeved in the fit gaps of the convex plates at the two sides, strip-shaped holes 75 are formed in the telescopic gaskets, round holes are formed in the convex plates, and bolts penetrate through the round holes and the strip-shaped holes and are fixed by nuts. Therefore, the height of the telescopic gasket can be adjusted to adjust the swinging range of the support rod in the sagging state.
The support rods used in this embodiment may be vertical manual telescoping rods or fixed height struts 43. When the vertical manual telescopic rod 4 is adopted, the telescopic rod comprises an outer sleeve 41 and an inner sleeve 41, and the outer sleeve 41 and the inner sleeve 41 are matched and sleeved and then are locked through an adjusting locking wire, as shown in fig. 1. The rotary stop block at the lower end of the ejector rod is matched and sleeved in the cylindrical barrel 51 to rotate, but the annular stop table or the fixed cover can not slide axially.
Example 2: on the basis of the embodiment 1, a shock absorber is arranged at the upper end of the supporting rod, the shock absorber shown in fig. 5 comprises a column casing fixedly connected with the supporting rod, a spring is sleeved in the column casing, an opening is arranged at the upper end of the column casing, an annular baffle table is arranged at the edge of the opening, or a fixed cover is arranged on the opening, a rotation stop block is matched and sleeved in the column casing, the rotation stop block is upwards connected with a top rod, a fixed connecting plate is arranged at the upper end of the top rod, and the top shaft hole is positioned in the middle of the fixed connecting plate.
Example 3: another kneeling type crutch is used for assisting the walking movement of a patient with foot sprain, and as shown in figures 8-13, the crutch comprises a vertical manual telescopic rod 4 with an adjusting lock wire 3 and a four-corner support frame 1, the bottom of the vertical manual telescopic rod 4 of the crutch is fixedly connected with the four-corner support frame 1 or a triangular support frame for enabling the patient to be more stable when using the kneeling type crutch,
The top of vertical manual telescopic link 4 is equipped with lock axle 6, and arc limiting plate 72 has been worn on the top of vertical manual lever 4, and lock axle 6 passes the middle part of the wall of vertical telescopic link 4 and arc limiting plate 7 to perpendicular with arc limiting plate 7, lock axle 6 and vertical manual telescopic link 4 and arc limiting plate 7 are standard and want X, Y, Z coordinate system form, and arc limiting plate 7 can rotate when lock axle 6 becomes flexible, reaches the purpose of adjusting spacing angle.
One end of the lock shaft 6 is sleeved with a lock nut 10 and an anti-slip washer 11 matched with the lock nut 10, one side of the anti-slip washer 11 is provided with a clamping groove 18 for clamping the arc-shaped limiting plate 7, and the lock shaft 6 cannot rotate when the lock nut 10 is locked; the top side of the lock shaft 6 is connected with a composite hinge shaft 8, and the top side of the composite hinge shaft 8 is tightly fixed with a knee-attaching groove body 9, so that the knee-attaching groove body 9 only rotates forwards and backwards through the composite hinge shaft 8, and the conditions of unstable gravity center and the like caused by left and right rotation of the knee-attaching groove body 9 are avoided.
The both ends of arc limiting plate 7 and paste knee cell body 9 downside between have certain clearance respectively, and the sum of interval between the both ends of arc limiting plate 7 and the knee cell body downside is less than 3cm, makes to paste knee cell body 9 have certain activity ability, and the range is less, improves the comfort level when people walk.
The lock shaft 6 is hinged with the knee-pad groove body 9 through the composite hinge shaft 8, a knee-pad belt 12 is arranged in the knee-pad groove body 9, connecting seats 14 for fixing the knees and the lower legs of a patient are integrally arranged on two sides of the knee-pad belt 12, a flexible liner 13 is filled in the knee-pad belt 12, and the flexible liner 13 is sewn and fixed with the knee-pad belt 12.
The bottom of the vertical manual telescopic rod 4 is provided with a screw rod, at least two fixing nuts 2 are sleeved outside the screw rod, the four-corner supporting frame 1 is sleeved outside the manual telescopic rod 4 and is fixed through the two fixing nuts 2, and the kneeling crutch can be assembled by disassembling and installing the fixing nuts when in use, so that the kneeling crutch is convenient to store when not in use.
Be equipped with bumper shock absorber 5 between vertical manual telescopic link 4 and the lock axle 6, bumper shock absorber 5 suit is on the top of vertical manual telescopic link 4 to with the inseparable welded fastening of vertical manual telescopic link 4, the inside of bumper shock absorber 5 is equipped with damping spring 15, the top of damping spring 15 is equipped with rotates dog 54, rotates the inseparable welded fastening of dog 54 topside and the axle bed of lock axle 6, and the top of bumper shock absorber 5 is fixed with fixed cover 17 through the fixed screw.
Example 4, the present embodiment is substantially the same as example 3, and the same parts are not repeated, except that: as shown in fig. 14-16, the arc limiting plate 7 is an arc rod with uniform radian, positioning holes 21 are uniformly distributed on the arc limiting plate 7, the arc limiting plate 7 penetrates through one side of the rod wall of the vertical manual telescopic rod 4, at least one other through hole is formed in the other side rod wall of the vertical manual telescopic rod 4, anti-slip screws 20 are respectively arranged in the through holes, and the anti-slip screws 20 are inserted into the locking holes 20 of the arc limiting plate 4.
Example 5, which is substantially the same as example 3, the same parts are not repeated except that: as shown in fig. 16, the arc limiting plate 7 is an arc plate with a strip waist hole 19 in the middle, a rotating shaft fixed to the side face of the manual telescopic rod 4 is arranged in the middle of the strip waist hole 19 at the bottom side of the arc limiting plate 7, a telescopic rod 22 is arranged on one side of the bottom of the arc limiting plate 7, two ends of the telescopic rod 22 are hinged to the arc limiting plate 7 and the manual telescopic rod 4 respectively, and when the angle adjusting device is used, the arc limiting plate 7 can be inclined by adjusting the telescopic rod 22, so that the angle adjusting effect of the arc limiting plate 7 is achieved.
When the knee-cap is used, the knees of the patient suffering from the limb are fixed in the knee-cap belt 12 through the connecting seat 14, the height of the vertical manual telescopic rod is adjusted through the adjusting locking wire 3 according to the height of the patient, so that the patient is adapted to different patients, the patient bends backwards, the single knee kneels on the kneeling, then the slowing washer 11 is loosened through the knob lock nut 10 according to the comfort level of the patient, the angle of the arc-shaped limiting plate 7 is adjusted, finally the angle of the arc-shaped limiting plate 7 is fixed through the knob lock nut 10, the patient walks by using the kneeling crutch, the leg-cap can replace the action of the lower leg and the foot of the patient, and the thigh and the knee are still required to be matched in the walking process, so that the blood circulation of the leg is quickened, and the recovery of the patient is facilitated.
Claims (6)
1. A kneeling crutch special for a foot sprain patient, which is characterized in that: the knee pad comprises a supporting rod, an arc limiting plate, a knee pad groove body and a knee pad belt, wherein a fixed shaft hole is formed in the middle of the arc limiting plate, a middle convex plate is upwards arranged in the middle of the arc limiting plate, a movable shaft hole is formed in the center of the middle convex plate, and side convex plates are symmetrically arranged on two sides of the middle convex plate; the top of the supporting rod is provided with a top shaft hole and is provided with a locking shaft, and a fixed shaft hole of the arc-shaped limiting plate is sleeved on the locking shaft and is locked by the locking shaft; the upper side of the knee-pad groove body is provided with a groove matched and attached with the knee part of the human body, knee pads are fixed on two sides of the groove, the lower side of the knee-pad groove body is provided with a parallel plate support, the parallel plate support is provided with a shaft hole, and the shaft hole and a movable shaft hole of the arc limiting plate are simultaneously hinged to a composite hinge shaft; the upper end of the supporting rod is provided with a shock absorber, the shock absorber comprises a column casing fixedly connected with the supporting rod, a spring is sleeved in the column casing, the upper end of the column casing is provided with an opening, the edge of the opening is provided with an annular baffle or a fixed cover is arranged on the opening, a rotary stop block is matched and sleeved in the column casing, the rotary stop block is upwards connected with a push rod, the upper end of the push rod is provided with a fixed connecting plate, and a top shaft hole is positioned in the middle of the fixed connecting plate; the support rod is a vertical manual telescopic rod or a fixed-height support rod, and the vertical manual telescopic rod comprises an outer sleeve rod and an inner sleeve rod which are matched and sleeved and then locked through an adjusting locking wire.
2. The kneeling crutch special for foot sprain patients according to claim 1, wherein: the novel bolt is characterized by at least comprising more than two arc limiting plates, wherein a fit gap is formed between every two adjacent arc limiting plates, a telescopic gasket is sleeved in the fit gap of each of the two side protruding plates, a strip-shaped hole is formed in the telescopic gasket, a round hole is formed in each of the side protruding plates, and the bolt penetrates through the round hole and the strip-shaped hole and is fixed by a nut.
3. The utility model provides a kneeling type walking stick special for foot sprain patient, includes the vertical manual telescopic link that has the regulation lock silk and four corners support frame or the triangular support frame of its bottom, and vertical manual telescopic link bottom is connected and is fixed with four corners support frame or triangular support frame, its characterized in that: the top end of the vertical manual telescopic rod is provided with a lock shaft, the top end of the vertical manual telescopic rod is penetrated with an arc limiting plate, the lock shaft penetrates through the rod wall of the vertical telescopic rod and the middle part of the arc limiting plate and is vertical to the arc limiting plate, one end of the lock shaft is sleeved with a lock nut and an anti-slip washer matched with the lock nut, and one side of the anti-slip washer is provided with a clamping groove for clamping the arc limiting plate; the top side of the lock shaft is connected with a composite hinge shaft, the top side of the composite hinge shaft is tightly fixed with a knee joint groove body, the lock shaft is hinged with the knee joint groove body through the composite hinge shaft, a knee protection belt is arranged in the knee joint groove body, and two sides of the knee protection belt are integrally provided with a connecting seat for fixing the knee of a patient; a certain gap is formed between the two ends of the arc-shaped limiting plate and the bottom side of the knee-joint groove body respectively, and the sum of the distances between the two ends of the arc-shaped limiting plate and the bottom side of the knee-joint groove body is smaller than 3cm; the bottom of the vertical manual telescopic rod is provided with a screw, at least two fixing nuts are sleeved outside the screw, and the four-corner support frame is sleeved outside the manual telescopic rod and is fixed through the two fixing nuts.
4. The kneeling crutch dedicated to foot sprain patients according to claim 3, wherein: be equipped with the bumper shock absorber between vertical manual telescopic link and the lock axle, the bumper shock absorber suit is on the top of vertical manual telescopic link to closely welded fastening with vertical manual telescopic link, the inside of bumper shock absorber is equipped with damping spring, damping spring's top is equipped with rotates the dog, rotates the tight welded fastening of dog top side and the axle bed of lock axle, and the top of bumper shock absorber is fixed with fixed cover through the fixed screw.
5. The kneeling crutch dedicated to foot sprain patients according to claim 3, wherein: the inside of the knee-pad belt is filled with a flexible liner, and the flexible liner is sewed and fixed with the knee-pad belt.
6. The kneeling crutch dedicated to foot sprain patients according to claim 3, wherein: the arc limiting plate is uniformly provided with positioning holes, the arc limiting plate penetrates through one side of the rod wall of the vertical manual telescopic rod, at least two through holes are formed in the other side rod wall of the vertical manual telescopic rod, anti-slip screws are respectively arranged in the through holes, and the anti-slip screws are inserted into the locking holes of the arc limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544342.2A CN110292511B (en) | 2019-06-21 | 2019-06-21 | Kneeling type crutch special for foot sprain patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544342.2A CN110292511B (en) | 2019-06-21 | 2019-06-21 | Kneeling type crutch special for foot sprain patient |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110292511A CN110292511A (en) | 2019-10-01 |
| CN110292511B true CN110292511B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910544342.2A Active CN110292511B (en) | 2019-06-21 | 2019-06-21 | Kneeling type crutch special for foot sprain patient |
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| CN (1) | CN110292511B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4141375A (en) * | 1978-02-03 | 1979-02-27 | Tykwinski Leonard M | Knee crutch-cane |
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|---|---|
| CN110292511A (en) | 2019-10-01 |
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