CN2301993Y

CN2301993Y - Medical traction bed

Info

Publication number: CN2301993Y
Application number: CN 97212248
Authority: CN
Inventors: 杨正伟
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-03-12
Filing date: 1997-03-12
Publication date: 1998-12-30
Anticipated expiration: 2007-03-12

Abstract

The utility model discloses a medical traction bed for treating lumbar spondylosis and cervical spondylosis which are caused by hyperosteogeny. A bed surface is split into a movable plate 2 and a fixed plate 13, a fixed plate 13 is fixed on a bed body 1, and the movable plate 2 can move longitudinally along a bed body 1. The os pelvicum part of human body is tied on the movable plate 2 by a bandage 21, a chest is tied on the fixed plate or a neck is sheathed in a traction sleeve 22, a gear wheel 6 is fixed on the bed body 1 or the movable plate 2, and a rack 4 is fixed on the movable plate 2 or the bed body 1. A rocking rod 10 is repeatedly rotated, the gear wheel 6 is dialed to rotate by a movable ratchet 11, the movable plate 2 move outward longitudinally on the bed body 1, and lumbar or cervical vertebrae bones are treated by traction.

Description

Medical traction bed

This utility model relates to a kind of medical apparatus and instruments that is used for the treatment of waist awl disease and cervical spondylosis.

, cervical spondylosis sick by the caused waist of hyperosteogeny awl, as bore that the point dish is outstanding, Taper Pipe is narrow etc. and be person in middle and old age's frequently-occurring disease are prefered method with the traction in non-operative treatment.This method curative effect is reliable, instant effect, is extensively adopted by medical profession.Present employed medical apparatus and instruments has two kinds: a kind of be with head of a bed support, basin bone belt to claim the traction of stone roller for the gravity that dangles, the shortcoming of this method is that pull strength is little, the time of each traction is several hrs at least, several days at most, thereby curative effect is relatively poor; Another kind is the electric traction bed, its bed board is divided into fixed and movable two parts, the people lies on a bed, people's basin osseous part part and chest are tied up respectively on activity and fixed bed board, pass through motor, oil pump and Hydraulic Power Transmission System drive mobile bed plate away from fixed bed board, thereby people's pyramidal is drawn, though this apparatus pull strength is big, good effect, but complex structure, fault is many, hydraulic system leakage of oil and contaminated environment, main is that cost is too high, and price wants tens0000 even hundreds of thousands unit, even once draw the 30-50 unit that also will charge to hospital, and the waist awl, cervical spondylosis often needs the normal phase to draw repeatedly, Gu and be that general patient is difficult to bear.

The purpose of this utility model provides a kind of good effect, and fault is few, simple in structure, cheap Medical traction bed.

This utility model by bed body, moving plate, the gear of decide plate, cushion, tooth bar, double as ratchet, pinion stand, gear shaft, decide ratchet, decide the pawl axle, move ratchet, move the pawl axle, fork, bandage, bandage ring, traction casing form.The bed body is similar to common single bed, decides plate and is fixed on the body, and moving plate can be in the bed body longitudinal sliding motion of bed body upper edge.The bandage ring is separately fixed to be decided on plate and the moving plate, and bandage and traction casing one end are tied up on the bandage ring, and the other end is tied up at human chest, basin osseous part or is enclosed within cervical region; Gear is installed on the pinion stand by gear shaft, and pinion stand is fixed on a body or the moving plate, and tooth bar is fixed on moving plate or the bed body; Decide ratchet and be installed on the pinion stand by deciding the pawl axle, moving ratchet is installed on the fork by moving pawl axle; Fork is installed on the gear shaft.Gear, decide ratchet, moving ratchet, fork and form a ratchet mechanism.When clockwise rotating fork, moving ratchet handsetting gear clockwise rotates, make gear together with producing relative displacement between pinion stand and the tooth bar, thereby plate is vertically outwards moved along the bed body, make and be fixed on moving plate, decide that human lumbar on plate or the traction casing is bored or cervical vertebra is drawn.

Also can adopt another kind of scheme, the difference of it and such scheme is to increase a ratchet on gear shaft, and guarantee that ratchet rotates synchronously with gear all the time, and decide ratchet and moving sour jujube and grab in the teeth groove that embeds ratchet and fork is formed ratchet mechanism together, rotate by the rotating band moving gear of ratchet.

To reset in order being convenient to unclamp when traction finishes, can to make a tab respectively at moving ratchet and the afterbody of deciding ratchet, two tabs are equal to the distance of gear axis.When traction finishes, rotate counterclockwise fork, when the fork rotational angle was enough big, two tab mutual extrusion made ratchet and decide ratchet and lift from teeth groove, gear can reverse, moving sheet reset thereby make.

Technique scheme is compared with the method for the gravity traction that dangles with the title stone roller, because the fork handle equals moving pawl axle center 5～10 times to the gear axis distance to the distance of gear axis, when with 5～15 kilograms power rotational swing rod, will produce 25～150 kilograms pull strength, so it is big that it has a pull strength, eutherapeutic advantage.Technique scheme is compared with the electric traction bed, save motor, oil pump, oil cylinder, valve, switch etc. and buckled the very high parts in addition of worker's precision, so it is not only simple in structure, fault is few, free from environmental pollution, and has reduced cost widely, every cost has only 300～500 yuan.Also having an advantage in addition is that it can be by patient's own operation that lie on a bed, and the patient can be according to the size of impression adjustment pull strength of oneself.

The utility model is further described below in conjunction with drawings and Examples:

Fig. 1, Fig. 2 and Fig. 3 are respectively front view, A-A vertical view and the left views with the Medical traction bed of gear double as ratchet:

Fig. 4 is the structure chart that has the Medical traction bed of ratchet and gear;

Fig. 5 is the structure chart that gear and tooth bar are installed in the Medical traction bed below the body;

Fig. 6 is the structure chart that has the ratchet mechanism of tab.

At Fig. 1 in Fig. 3, this utility model by the gear 6 of bed body 1, moving plate 2, cushion 3, tooth bar 4, pinion stand 5, double as ratchet, decide pawl axle 7, decide ratchet 8, move pawl axle 9, fork 10, move ratchet 11, gear shaft 12, decide plate 13, bandage ring 14, bandage 21, traction casing 22 form.Bed body 1 is similar to common single bed, decide plate 13 and is fixed on the body 1, and moving plate 2 can be along the longitudinal movement on bed body 1, moving plate 2 and decide plate 13 involutory after, their outer outline and a body 1 coincidence.Bandage ring 14 is welded on the moving utmost point 2 respectively and decides on the utmost point 13.One end of bandage 21 and traction casing 22 is tied up on bandage ring 14, and the other end is tied up chest, the basin osseous part at human body or is enclosed within cervical region.Gear 6 is installed on the pinion stand 5 by gear shaft 12, and pinion stand 5 is fixed on the angle steel 16 of a body 1, and tooth bar 4 is fixed on the angle steel 15 of moving plate 2; Decide ratchet 8 and be installed on the pinion stand 5 by deciding pawl axle 7, fork 10 is enclosed within on the gear shaft 12, and moving ratchet 11 is installed on the fork 10 by moving pawl axle 9.The gear 6 of double as ratchet, decide ratchet 8, moving ratchet 11, fork 10 and form a ratchet mechanism.When clockwise rotating fork 10, moving ratchet 11 handsetting gears 6 clockwise rotate, and make tooth bar 4 drive moving plate 2 and longitudinally outwards move on bed body 1, and waist awl or the cervical vertebra of tying up the human body on bed body 1 are drawn, thereby reach the purpose of treatment.

Fig. 4 has provided another kind of structure of the present utility model.The difference first of the structure that it and Fig. 1 to Fig. 3 provide is to increase a ratchet 20 on gear shaft 12, and guarantee that ratchet 20 and gear 6 rotate all the time synchronously, the head of deciding ratchet 8 and moving ratchet 11 embeds in the teeth groove of ratchet 20, is rotated by gear shaft 12 driven gears 6 by ratchet 20; The secondth, tooth bar 4 is fixed together by the angle steel 16 of angle steel 23 and bed body 1, and the angle steel 15 of pinion stand 5 and moving plate 2 is fixed together, and during rocking pendulum 10, gear 6, pinion stand 5 and moving plate 2 move together, tooth bar 4 is motionless.

Fig. 5 is another distortion of the present utility model.It is the following center position that gear 6 is installed in a body 1, the angle steel 16 of utilization bed body 1 is made pinion stand, tooth bar 4 is fixed on the angle steel 15 of moving plate 2, moving ratchet 11 is installed on the gear shaft 12 by two rocking arms 24, moving pawl axle 9, deciding ratchet 8 (not shown)s installs on the angle steel 16, moving pawl axle 9 and gear shaft 12 stretch out outside the body 1, fork 10 is enclosed within on moving pawl axle 9 and the gear shaft 12, and moving pawl axle 9 and fork handle are positioned at the both sides of gear shaft 12.The advantage of this structure is a compact conformation, and the periphery of bed body 1 is more smooth, and the guidance quality of moving simultaneously plate 2 motions is good.

In Fig. 6, reset in order when traction finishes, to be convenient to unclamp, can at moving ratchet 11 and the afterbody of decide ratchet 8 makes a tab 17 respectively and 18, two tabs of tab are equal to the distance in the axle center of gear shaft 12.When traction finishes, rotate counterclockwise fork 10, when the rotational angle of fork 10 was enough big, tab 17 promotion tabs 18 made and decide ratchet 8 and be rotated counterclockwise, and its head lifts from teeth groove; Be rotated further fork 10, tab 18 is blocked and can not rotate by pin 19, forces tab 17 and moving ratchet 11 to be rotated counterclockwise, and ratchet 11 heads is also lifted from teeth groove, thereby make gear 6 loose counter-rotatings, and plate 2 is resetted.

Several concrete structures that Fig. 1 to Fig. 6 provides can also have various combination, and all these combinations all belong to protection domain of the present utility model.

Claims

1. Medical traction bed, it comprises a body (l), moving plate (2), decides plate (13), cushion (3), bandage ring (14), bandage (21), traction casing (22); Bed body (1) is similar to common single bed, decide plate (13) and be fixed on the body (1), moving plate (2) can be in bed body (1) upper edge longitudinal sliding motion, and an end of bandage (21) and traction casing (22) is tied up on bandage ring (14), the other end is pinioned the chest of human body, basin osseous part or be enclosed within cervical region; It is characterized in that: it also comprise tooth bar (4), pinion stand (5), double as ratchet gear (6), gear shaft (12), decide ratchet (8), decide pawl axle (7), moving ratchet (11), moving pawl axle (9), fork (10) form; Gear (6) is installed on the pinion stand (5) by gear shaft (12), pinion stand (15) is fixed on a body (1) or the moving plate (2), tooth bar (4) is fixed on moving plate (2) or the bed body (1), deciding ratchet (8) is installed on the pinion stand (5) by deciding pawl axle (7), (10} is enclosed within on the gear shaft (12) fork, and moving ratchet (11) is installed on the fork (10) by moving pawl axle (9); Gear (6), decide ratchet (8), moving ratchet (11), fork (10) and form a ratchet mechanism, when clockwise rotating fork (10), moving ratchet (11) handsetting gear (6) clockwise rotates, make gear (6) together with pinion stand (5) and tooth bar (4) thus between produce relative displacement plate (2) longitudinally outwards moved.

2. Medical traction bed, it comprises a body (1), moving plate (2), decides plate (13), cushion (3), bandage ring (14), bandage (21), traction casing (22); Bed body (1) is similar to common single bed, decide plate (13) and be fixed on the body (1), moving plate (2) can be in bed body (1) upper edge longitudinal sliding motion, and an end of bandage (21) and traction casing (22) is tied up on bandage ring (14), the other end is pinioned the chest of human body, basin osseous part or be enclosed within cervical region; It is characterized in that: it also comprises tooth bar (4), pinion stand (5), gear (6), ratchet (20), gear shaft (12), decides ratchet (8), decides pawl axle (7), moving ratchet (11), moving pawl axle (9), fork (10) are formed; Gear (6) and ratchet (20) are installed on the pinion stand (5) by gear shaft (12), and gear (6) and ratchet (20) remain synchronous rotation; Pinion stand (5) is fixed on a body (l) or the moving plate (2), and gear bar (4) is fixed on that moving plate (2) or a bed body (1) go up, decide that ratchet (8) is installed in by decide pawl axle (7) that pinion stand (5) is gone up, fork (10) is enclosed within gear shaft (12) and goes up, moves ratchet (11) and be installed in and put on the pavilion (10) by moving pawl axle (9); Decide in the teeth groove of head embedding people ratchet (20) of ratchet (8) and moving ratchet (11), stir ratchet (20) rotation by moving ratchet (11), driven gear (6) rotates.

3. according to claim l or 2 said Medical traction beds, it is characterized in that: moving ratchet (11) and the afterbody of decide ratchet (8) are shaped on tab (17) and tab (18) respectively, and the distance that tab (17) and tab (18) arrive gear axis is equal; When the angle that rotates counterclockwise pendulum stalk (10) enough greatly the time, tab (17) and tab (18) mutual extrusion, make and decide ratchet (8) and moving ratchet (11), from teeth groove, lift.Thereby gear (6) can be reversed, plate (2) is resetted.