CN115444719A

CN115444719A - Fracture patient nursing frame

Info

Publication number: CN115444719A
Application number: CN202211193150.XA
Authority: CN
Inventors: 李强; 周庆兰
Original assignee: First Affiliated Hospital of Xinxiang Medical University
Current assignee: First Affiliated Hospital of Xinxiang Medical University
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-12-09

Abstract

The invention relates to the technical field of fracture nursing equipment, in particular to a fracture patient nursing frame, wherein in a daily mode, the soles of affected limbs are suspended relatively, a foot rest is a supporting point, a first supporting mechanism and a second supporting mechanism provide supporting force and knee joint bending resistance between a shank splint and a thigh splint, the weight of a patient is transmitted to the foot rest through the thigh splint and the shank splint, the patient can walk normally, the shank of the patient is not stressed, and the fracture part of the shank is prevented from exerting force to cause secondary injury to influence the treatment effect; during the training mode, through adjusting the foot rest and go up and down, the supporting power of adjustment foot rest to patient's sole, the supporting power is big more, and patient's shank is independently exerted oneself and is done oneself the power big more, reaches the effect of walking training to when walking, the foot rest still has certain supporting power to patient's thigh, so, had both realized the atress training, can not cause the emergence of accidents such as tumbleing because the atress suffers from limb pain and unstable standing again.

Description

Fracture patient nursing frame

Technical Field

The invention relates to the technical field of fracture nursing equipment, in particular to a fracture patient nursing frame.

Background

The so-called fracture, as the name implies, refers to complete or partial fracture of bone or bone structure, and generally includes two categories, closed fracture and open fracture, in which the skin and soft tissue are relatively intact, and the fracture end is not communicated with the outside; open fracture means that there is a wound at the fracture site and the fracture end is connected to the outside. Fractures may occur at various sites throughout the body, most commonly fractures of the extremities.

Clinically, before fracture healing, patients with leg and foot fracture usually move on the ground by using a crutch or other walking aids, and the affected limbs cannot bear the load completely, so that the patients are inconvenient to go up and down stairs, walk daily and the like, which brings inconvenience to the lives of the patients during fracture rehabilitation and certain psychosocial pressure.

The traditional fracture treatment focuses on diagnosis, treatment and nursing of fracture and rehabilitation and functional exercise of fracture, so as to achieve the purposes of promoting smooth healing of fracture and early recovery of patients, and the common training mode is walking training: the patient holds the support rod to walk slowly, the affected limb exerts force slightly, but because the affected limb is not recovered yet, the affected limb exerts force to generate pain during walking, the problem of separation can occur, the patient has the danger of falling down, and therefore the patient needs to be nursed by other people, and burden is brought to nursing staff.

Therefore, the invention provides a nursing frame for patients with fracture, which is used for solving the problems of inconvenient daily walking and unstable training walking of patients with fracture of lower legs.

Disclosure of Invention

In view of the above situation, the present invention aims to provide a nursing frame for patients with fracture, which effectively solves the problems in the prior art.

The technical scheme for solving the problem is as follows:

a fracture patient nursing frame is characterized by comprising thigh splints, wherein the lower ends of the thigh splints are hinged with connecting plates, the lower ends of the connecting plates are hinged with shank splints, and the left side and the right side of each thigh splint are respectively provided with a first supporting mechanism;

the first supporting mechanism comprises an arc-shaped rack which is horizontally slidably mounted on the outer wall of the shank splint, a top plate is fixedly mounted at the right end of the arc-shaped rack, a supporting spring is abutted against the upper end face of the top plate, a slider is fixedly mounted at the upper end of the supporting spring, a vertical sliding mounting of the slider is arranged on the side wall of the shank splint, a supporting rod is rotatably mounted on the side wall of the slider, the upper end of the supporting rod is rotatably mounted on the shank splint, a driving gear rotatably mounted on the shank splint is meshed with the arc-shaped rack, a driving bevel gear and a knob are coaxially arranged on the driving gear at intervals, a driven bevel gear is meshed with the driving bevel gear, the driving bevel gear and the driven bevel gear are both rotatably mounted on the shank splint, a lead screw is axially and slidably mounted at the bottom end of the driven bevel gear, the lead screw is in threaded connection with a threaded cylinder fixedly mounted on the shank splint, a foot support is rotatably mounted at the bottom end of the lead screw, a foot support is provided with a foot cushion airbag, the hose is communicated with a negative pressure tank fixedly mounted on the shank splint, a piston is arranged in the negative pressure tank, the negative pressure tank is connected with the arc-shaped rack, and the piston is connected with the arc-shaped rack, and a second supporting mechanism is arranged between the connecting plate and the shank splint.

Preferably, the second supporting mechanism comprises a connecting rod rotatably mounted on the connecting plate, a threaded sleeve is rotatably mounted at the bottom end of the connecting rod, a screw rod in sliding fit with the connecting rod is mounted in the threaded sleeve in a threaded mode, a sliding plate vertically and slidably mounted on the shank clamping plate is hinged to the bottom end of the screw rod, and a connecting spring is arranged between the sliding plate and the shank clamping plate.

Preferably, the thigh splint and the shank splint comprise two semi-ring covers, the two semi-ring covers form a cylinder shape, the rear end faces of the two semi-ring covers are hinged, and the front end faces of the two semi-ring covers are provided with magic tapes.

Preferably, the diameter of the cross section of the cylinder formed by the two half-ring covers corresponding to the thigh splint is gradually increased from bottom to top.

Preferably, each semi-ring cover inner wall is provided with a clamping air bag.

Preferably, thigh splint upper end demountable installation has the backup pad, and the backup pad upper end articulates there is the waistband.

Preferably, a shield for covering the driving gear and the corresponding part is arranged on the shank clamping plate, the knob is positioned outside the shield, a pointer is arranged on the knob, and a counting disc corresponding to the pointer is arranged on the side wall of the shield.

Preferably, the left side lead screw bottom fixed mounting has the straight flute, and the foot holds in the palm the left end and rotates and install the bolt with straight flute complex, and the threaded mounting has the nut that supports on the straight flute lateral wall on the bolt.

Preferably, the hinge points are provided with frictional damping.

The invention has the beneficial effects that: the nursing frame for the fracture patient provided by the embodiment of the invention mainly comprises a thigh splint, a connecting plate, a shank splint, a foot support, a first supporting mechanism and a second supporting mechanism, and has two forms of a daily mode and a training mode when in use;

during the training mode, through twisting the deep length of twisting knob and adjusting the lead screw in the screw thread section of thick bamboo soon, the lift is held in the palm to the adjustment foot, then adjust the contact degree on patient's sole and the foot support surface, adjust between dabbing and trampling promptly, effort is the bigger between patient's sole and the foot support, patient's shank is independently exerted oneself more greatly, make the patient can independently exert oneself to a certain extent when the walking training, reach the effect of walking training, and when walking, the foot support still has certain holding power to patient's thigh, so, both realized the stress training, can not stand unstably because of the atress suffers from limb pain again, lead to the emergence of accidents such as tumbleing, and the atress can be adjusted according to knob turned angle, turned angle is the bigger, the sole is inseparabler with the foot support contact, during the training, it is the more powerful to suffer from the limb.

The second support mechanism comprises a connecting rod hinged on the connecting plate, a threaded sleeve is rotatably arranged at the bottom end of the connecting rod, a screw rod which is in axial sliding fit with the connecting rod is arranged in the threaded sleeve in a threaded manner, a sliding plate is hinged at the bottom end of the screw rod, the sliding plate and the calf splint paper towel are provided with an air damper and a connecting spring, the screw sleeve is screwed, the penetration length of the screw rod in the threaded sleeve is adjusted, the penetration is increased, the higher the initial position of the sliding plate is, the smaller the compression degree of the connecting spring is, the smaller the elastic force of the deformation of the connecting spring is, the smaller the air pressure of the air damper is, the smaller the provided support force and the resistance for preventing the connecting plate (knee joint) from bending are, so that the second support mechanism is suitable for people with different weights, the bending resistance and the support force are matched with the physical signs of patients, the too large resistance of the light people is avoided, the walking is more strenuous, and the knee joint is easily deflected and unstable in walking due to too small resistance of the heavy people.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the present invention with the shield removed.

Fig. 3 is a schematic view of the assembly within the shroud of the present invention.

Fig. 4 is a schematic view of the hose distribution of the present invention.

Fig. 5 is a schematic view of the outer side of the shield of the present invention engaged with a support rod.

Fig. 6 is a schematic view of the foot rest and the left lead screw of the present invention.

FIG. 7 is a schematic view of the calf splint and thigh splint deflecting in accordance with the present invention.

In the figure: the waist belt comprises a waist belt 1, a supporting plate 2, a thigh splint 3, a connecting plate 4, a shank splint 5, a clamping air bag 6, an arc-shaped rack 7, a top plate 8, a supporting spring 9, a sliding block 10, a supporting rod 11, a driving gear 12, a driving bevel gear 13, a knob 14, a driven bevel gear 15, a lead screw 16, a threaded cylinder 17, a foot rest 18, a foot-supporting air bag 19, a hose 20, a negative pressure tank 21, a piston 22, a connecting rod 23, a straight groove 24, a bolt 25, a nut 26, a connecting rod 27, a threaded sleeve 28, a screw 29, a sliding plate 30, a mounting cylinder 31, a connecting spring 32 and a protective cover 33.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to fig. 1 to 7.

In order to solve the problems in the prior art, the nursing frame for patients with fracture provided in the embodiment comprises a waistband 1, wherein the waistband 1 is similar to a common waistband 1 in shape, a supporting plate 2 is hinged to the bottom end of one side of the waistband 1, a thigh splint 3 is detachably mounted at the bottom end of the supporting plate 2 through a fastener, a connecting plate 4 is hinged to the lower end of the thigh splint 3, a shank splint 5 is hinged to the lower end of the connecting plate 4, the thigh splint 3, the connecting plate 4 and the shank splint 5 correspond to thighs, knees and shanks of the patients, the thigh splint 3 and the shank splint 5 respectively comprise two semicircular covers, a clamping air bag 6 is arranged on the inner wall of each semicircular cover, each clamping air bag 6 is provided with an air inlet, the two semicircular covers are folded to form a cylinder shape, the diameter of the cross section of the cylinder shape formed by the two semicircular covers corresponding to the thigh splint 3 is gradually increased from bottom to top and is adapted to the shape of the thighs, the rear end surfaces of the two semicircular covers are hinged to each other, and the front end surfaces are provided with magic tapes;

the left side and the right side of the thigh splint 3 are respectively provided with a first supporting mechanism, the first supporting mechanism comprises an arc-shaped rack 7 which is horizontally and slidably arranged on the outer wall of the shank splint 5, friction damping is arranged between the arc-shaped rack 7 and the shank splint 5, the right end of the arc-shaped rack 7 is fixedly provided with a top plate 8, the upper end surface of the top plate 8 is abutted with a supporting spring 9, the upper end of the supporting spring 9 is fixedly provided with a slider 10, the slider 10 is vertically and slidably arranged on the side wall of the shank splint 5, the forming tail end of the slider 10 is positioned above the top plate 8, the side wall of the slider 10 is rotatably provided with a supporting rod 11, the upper end of the supporting rod 11 is rotatably arranged on the right side wall of the thigh splint 3, the arc-shaped rack 7 is meshed with a driving gear 12 which is rotatably arranged on the shank splint 5, the driving gear 12 is coaxially provided with driving bevel gears 13 and knobs 14 at intervals, and the driving bevel gears 13 are meshed with driven bevel gears 15, the driving bevel gear 13 and the driven bevel gear 15 are rotatably installed on the calf splint 5, the bottom end of the driven bevel gear 15 is axially and slidably provided with a lead screw 16, the upper end of the lead screw 16 is in threaded connection with a threaded cylinder 17 fixedly installed on the calf splint 5, the bottom end of the right lead screw 16 is hinged with a foot support 18, the foot support 18 is provided with a foot pad air bag 19, the foot pad air bag 19 is communicated with a hose 20, the hose 20 is telescopic, the hose 20 is communicated with a negative pressure tank 21 fixedly installed on the calf splint 5, the communicated part of the hose 20 and the negative pressure tank 21 is positioned on one side of the negative pressure tank 21 facing the magic tape, a piston 22 is arranged in the negative pressure tank 21, a 7-shaped connecting rod 23 is fixedly installed on the piston 22, the connecting rod 23 is fixedly connected with the right end of the arc-shaped rack 7, because only one foot support 18 is provided, so that two semi-ring covers of the calf splint 5 are opened, the left lead screw 16 is detachably connected with the foot support 18, namely, a straight groove 24 is fixedly arranged at the bottom end of the left screw rod, a bolt 25 matched with the straight groove 24 is rotatably arranged on the side wall of the foot support 18, and a nut 26 propped against the side wall of the straight groove 24 is arranged on the bolt 25 in a threaded manner;

be equipped with second supporting mechanism between connecting plate 4 and the shank splint 5, second supporting mechanism installs connecting rod 27 on connecting plate 4 including rotating, connecting rod 27 bottom is rotated and is installed thread bush 28, connecting rod 27 axle center is equipped with the rectangular channel, slidable mounting has the rectangular pole in the rectangular channel, rectangular pole bottom fixed mounting has screw rod 29, screw rod 29 and thread bush 28 screw-thread fit, screw rod 29 bottom articulates there is slide 30, be equipped with an installation section of thick bamboo 31 on the shank splint 5, an installation section of thick bamboo 31 and slide 30 axial sliding fit, be equipped with sealedly between an installation section of thick bamboo 31 and the slide 30, diapire fixed mounting has coupling spring 32 in an installation section of thick bamboo 31, coupling spring 32 upper end is fixed with slide 30.

In this embodiment, the shank splint 5 is provided with a shield 33 for covering the gear and the corresponding component to prevent the component from leaking and being damaged or being blocked by foreign matters, the knob 14 is located outside the shield 33, the knob 14 is provided with a pointer, and the side wall of the shield 33 is provided with a counting disc corresponding to the pointer.

In this embodiment, the articulated position all is equipped with friction damping, reduces and connects the flexibility, prevents that the connection position is too nimble and influence stability.

The specific use process and the efficacy of the invention are as follows:

firstly, selecting a corresponding device according to the fracture position of the left leg and the right leg of a patient, if the left leg is fractured, installing a nursing frame corresponding to the left leg, if the right leg is fractured, installing a nursing frame corresponding to the right leg, and only displaying the structure of the nursing frame corresponding to the left leg in the attached drawing;

when dressing, open thigh splint 3, the semicircular cover that shank splint 5 corresponds, the patient wears waistband 1 at the waist, then with the thigh of two sets of semicircular cover card owner patients, the shank, 3 centre gripping patient thighs of thigh splint, 5 centre gripping patient shanks of shank splint, when 5 centre gripping suffer from the limb of shank splint, straight flute 24 corresponds with bolt 25, bolt 25 inserts in the straight flute 24, then screw up nut 26, thereby make later glue the magic subsides, whole nursing frame is fixed at the patient waist this moment, the shank, it is convenient to dress, during initial state, slider 10, slide 30 is located its stroke top, piston 22 is located negative pressure jar 21 deepest, supporting spring 9 normally stretches out and draws back, connecting spring 32 is in the semi-compression state, the gear is close to ejector pin one end meshing with arc rack 7, two 16 upper ends of lead screw lie in and correspond 17 screw thread strokes bottoms of a screw section of thick bamboo, this device has two kinds of modes: a daily mode and a training mode.

And (3) daily mode: when the patient stands, the weight of the patient is transferred to the foot support 18 through the thigh and thigh splints 3, the connecting plate 4 and the shank splint 5, at the moment, the supporting force of the foot support 18 acts on the thigh and the waist of the patient through the thigh splint 3 and the waistband 1, the shank of the patient is not stressed, the secondary injury caused by the force of the fracture part of the shank is prevented, the treatment effect is influenced, meanwhile, the waistband 1 plays a clamping role, the waistband 1 is clamped at the hip joint of the patient after being worn, so that the thigh splint 3 is prevented from being forced to move upwards, the connecting spring 32 is in a semi-compression state to provide an upward acting force for the sliding plate 30, and then the connecting rod 27 acts on the connecting plate 4 for stabilizing the connecting plate 4 and preventing the knee of the patient from being easily bent and unstable in standing; when a patient walks or goes upstairs and downstairs and goes downslope, thighs are lifted, the patient takes a step forward, the thigh splint 3, the connecting plate 4 and the shank splint 5 bend relatively, the size of the supporting rod 11 is unchanged, the bottom end of the supporting rod 11 is propped against the sliding block 10 and descends to the tail end of the stroke of the sliding block 10, so that the supporting spring 9 is compressed, meanwhile, a reaction force is given to the sliding block 10, the reaction force acts on the supporting rod 11 to give a supporting force to the thigh splint 3, and also gives a resistance to the bending of the knees of the patient, so that the knees of the patient are prevented from being bent easily, after the affected limb falls to the ground, the patient takes another leg, the stress point of the affected limb of the patient is the foot support 18, the shank splint 5, the supporting rod 11, the thigh splint 3 and the waistband 1, and the shank splint 5, the thigh splint 3 and the supporting rod 11 form a triangle-like, so that the patient can normally walk without walking stick and the included angle between the thigh splint 3 and the shank splint 5 is always larger than 90 degrees by the stroke of the sliding block 10, and the leg bending angle is prevented from being too large to stand up; in addition, the connecting plate 4 deflects and presses against the sliding plate 30 through the connecting rod 27, so that the sliding plate 30 vertically slides in the mounting cylinder 31, the connecting spring 32 is compressed, the mounting cylinder 31 is sealed, air in the mounting cylinder 31 is compressed, after the sliding plate 30 moves to the end of the stroke, the compressed air and the compressed connecting spring 32 jointly provide an auxiliary supporting force for the connecting rod 27, so that the support is more stable, the threaded sleeve 28 is screwed, the insertion or extraction distance of the screw 29 in the threaded sleeve 28 is adjusted, and further, when the initial state is adjusted, the air pressure in the mounting cylinder 31 and the expansion and contraction conditions of the connecting spring 32 are adjusted, the screw 29 is inserted into the threaded sleeve 28, the sliding plate 30 rises, the air pressure in the mounting cylinder 31 is reduced, the connecting spring 32 is restored to a certain length from half compression, and thus the acting force on the sliding plate 30 is reduced, the supporting force to the connecting plate 4 is reduced, and at this time, the resistance to the bending of the patient's joint is reduced, and similarly, the screw 29 moves out of the threaded sleeve 28, the sliding plate 30 moves down, the air pressure in the mounting cylinder 31 rises, the connecting spring 32 is compressed again, so that the force to the sliding plate 30 is increased, the supporting force to the connecting plate 4 is increased, and the resistance to the bending of the affected limb is increased, therefore, for people with different weights, the larger the weight is, the more the distance between the adjusting screw 29 moving out of the threaded sleeve 28 is, the smaller the weight is, the longer the length of the adjusting screw 29 inserted into the threaded sleeve 28 is, the bending resistance and the supporting force are matched with the physical sign of the patient, and the problems that the light people suffer from too much resistance and more laborious walking, and the like, the heavy people suffer from too little resistance, and the knee joint is easily deflected to cause unstable walking are avoided.

In order to prevent the foot from being suspended when a patient walks, psychological pressure is caused to the patient, the foot cushion air bag 19 expands, the foot of the patient is contacted with the foot cushion air bag 19, the foot of the patient has a treading touch feeling, but does not have supporting force, after the patient is worn, the air bag is inflated for holding through the air inlet, the inner wall of the splint is fully contacted with the leg of the patient, the maximum contact area of the thigh splint 3 and the thigh of the patient is ensured, the acting force received by the thigh is more balanced, the phenomenon that the thigh splint 3 is not fully contacted with the thigh of the patient to concentrate the acting force on partial area and cause squeezing and pressing injury is avoided, the clamping air bag 6 in the shank splint 5 is not full of air, a certain allowance is left, the affected limb has a certain activity space, the affected limb is prevented from being pinched, and meanwhile, the affected limb is prevented from being blocked and recovery is prevented from being influenced.

Training mode: after the fracture of the affected limb, after a certain period of time of recuperation, the patient usually needs daily training to perform auxiliary treatment, meanwhile, the muscle of the leg is prevented from being cachectic and the like, the recovery is affected, the daily training is usually selected to walk, but the patient is not trained before a certain degree of recovery, and is easy to walk unstably and fall down, in order to avoid the problem, the two knobs 14 on the two sides of the crus splint 5 are synchronously and anticlockwise screwed, the knobs 14 drive the driving bevel gears 13 to anticlockwise rotate, the driven bevel gears 15 to clockwise rotate, the lead screws 16 to clockwise rotate, the lead screws gradually extend into the threaded cylinders 17, the distance between the crus splint 5 and the foot rests 18 is shortened, the sole of the affected limb gradually approaches the foot rests 18, the knobs 14 anticlockwise rotate simultaneously to drive the gears to anticlockwise, the arc-shaped rack 7 is driven to move to the right, the arc-shaped rack 7 drives the piston 22 to move to the right through the connecting rod 23, so that the air in the foot pad air bag 19 is pumped into the negative pressure tank 21, the foot pad air bag 19 is deflated, the foot rest 18 rises, the foot pad air bag 19 is in closer contact with the sole of the affected limb, the foot pad air bag 19 is deflated, the treading part of the foot pad air bag 19 collapses after the sole is treaded on the foot pad air bag 19, the air is sent to other areas, the sole of the affected limb begins to be stressed, the patient can walk and train by holding the holding rod at the moment, the foot rest 18 is still used as the main body of the supporting force, the rising height of the foot rest 18 is increased along with the increase of the anticlockwise rotation angle of the knob 14, the stress of the affected limb is increased, the effect of adjusting the stress is realized, the air bag is inflated while the foot rest 18 rises until the treading area is completely collapsed, the sole of the affected limb completely treads the foot rest 18, the sole of the patient and the foot rest 18 are combined into a whole, and the patient can walk by supporting the sole of the patient, so, both realized the atress training, again can not suffer from limb pain and the shakiness of standing because of the atress, lead to the emergence of accidents such as tumbleing, and the atress can be adjusted along with patient self condition, facilitate the use, and arc rack 7 moves to the right, drive roof 8 and move to the right, make roof 8 and supporting spring 9 separation, the patient does the walking training and walks and when the knee is crooked this moment, bracing piece 11 no longer provides the holding power, no longer provide the crooked resistance of shank simultaneously, then reduce the power resistance of suffering from limb walking, it is more laborsaving to walk when letting the patient train.

After the training finishes, the patient stands, and medical personnel assist and revolve wrong knob 14 clockwise to reset each part, roof 8 shifts to supporting spring 9 below once more this moment, thereby converts the training mode into daily mode, and when having a rest, the patient can reveal the magic subsides and take off this device, convenient and fast.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The nursing frame for the fracture patients is characterized by comprising thigh splints (3), wherein the lower ends of the thigh splints (3) are hinged to connecting plates (4), the lower ends of the connecting plates (4) are hinged to shank splints (5), and first supporting mechanisms are arranged on the left side and the right side of each thigh splint (3);

the first supporting mechanism comprises an arc-shaped rack (7) which is horizontally and slidably mounted on the outer wall of the shank splint (5), a top plate (8) is fixedly mounted at the right end of the arc-shaped rack (7), a supporting spring (9) is abutted against the upper end face of the top plate (8), a slider (10) is fixedly mounted at the upper end of the supporting spring (9), the slider (10) is vertically and slidably mounted on the side wall of the shank splint (5), a supporting rod (11) is rotatably mounted on the side wall of the slider (10), the upper end of the supporting rod (11) is rotatably mounted on the thigh splint (3), the arc-shaped rack (7) is meshed with a driving gear (12) rotatably mounted on the shank splint (5), driving bevel gears (13) and knobs (14) are coaxially arranged on the driving bevel gears (12) at intervals, driven bevel gears (15) are meshed with the driving bevel gears (13), the driving bevel gears (13) and the driven bevel gears (15) are both rotatably mounted on the shank splint (5), a lead screw (16) is axially and slidably mounted at the bottom end of the driven bevel gears (15), the lead screws (16) are in threaded connection with threaded cylinders (17) fixedly mounted on the shank splint (5), a foot support (18) is rotatably mounted on the foot airbag (19), and a foot cushion hose (19) communicated with an airbag (19), the hose (20) is communicated with a negative pressure tank (21) fixedly mounted on the shank splint (5), a piston (22) is arranged in the negative pressure tank (21), the piston (22) is connected with the arc-shaped rack (7), and a second supporting mechanism is arranged between the connecting plate (4) and the shank splint (5).

2. The nursing frame for patients with fracture as claimed in claim 1, wherein the second supporting mechanism comprises a connecting rod (27) rotatably mounted on the connecting plate (4), a threaded sleeve (28) is rotatably mounted at the bottom end of the connecting rod (27), a threaded rod (29) slidably fitted with the connecting rod (27) is mounted in the threaded sleeve (28) in a threaded manner, a sliding plate (30) vertically slidably mounted on the calf splint (5) is hinged at the bottom end of the threaded rod (29), and a connecting spring (32) is arranged between the sliding plate (30) and the calf splint (5).

3. The nursing frame for patients with fracture according to claim 2, wherein the thigh splint 3 and the shank splint (5) each comprise two half-ring covers, the two half-ring covers form a cylinder shape, the rear end faces of the two half-ring covers are hinged, and the front end faces of the two half-ring covers are provided with magic tapes.

4. A fracture patient nursing frame according to claim 3, wherein the cross-sectional diameter of the cylinder formed by the two half-ring covers corresponding to the thigh splint (3) is gradually increased from bottom to top.

5. A fracture patient nursing frame according to claim 3, characterized in that each half-ring cover inner wall is provided with a clamping air bag (6).

6. A fracture patient nursing frame according to claim 1, wherein the upper end of the thigh splint (3) is detachably mounted with a support plate (2), and the upper end of the support plate (2) is hinged with a waist belt (1).

7. The nursing frame for fractured patients as claimed in claim 1, wherein a shield 33 (33) covering the driving gear (12) and the corresponding parts is arranged on the lower leg splint (5), the knob (14) is located outside the shield 33 (33), a pointer is arranged on the knob (14), and a counting disc corresponding to the pointer is arranged on the side wall of the shield 33 (33).

8. The nursing frame for patients with fracture as claimed in claim 1, wherein the bottom end of the screw rod on the left side is fixedly provided with a straight groove (24), the left end of the foot rest (18) is rotatably provided with a bolt (25) engaged with the straight groove (24), and the bolt (25) is threadedly provided with a nut (26) abutting against the side wall of the straight groove (24).

9. A fractured patient care frame according to any one of claims 1 to 8 wherein the hinged regions are each provided with frictional damping.