CN214434707U - Inflatable fracture fixation brace - Google Patents

Abstract

The utility model discloses an inflatable fracture fixation brace, which comprises a C-shaped splint, a pressure air bag and a pressure monitoring component; two sides of the opening end of the C-shaped clamping plate are connected through a connecting piece, and the C-shaped clamping plate is provided with an air inlet hole and an air outlet hole; the pressure air bag is fixed on the inner side of the C-shaped splint, one side of the pressure air bag facing the C-shaped splint is connected with an air inlet nozzle and an air outlet nozzle, and the air inlet nozzle and the air outlet nozzle respectively penetrate through the air inlet hole and the air outlet hole; the pressure monitoring assembly is used for monitoring the pressure between the pressure air bag and the fracture fixation position. The utility model discloses an inflatable fixed brace of fracture thereby reaches the matching laminating and the pressure fixation of brace and the fixed position of fracture through filling/gassing change pressure bladder's atmospheric pressure, and accurate control can be carried out to the pressure of brace to pressure monitoring subassembly real-time supervision pressure bladder's atmospheric pressure, and simple structure easily operates, has solved the loaded down with trivial details complicated problem of the tight flow of fixed clamp of current fixed brace of fracture.

Description

Inflatable fracture fixation brace

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an inflatable fixed brace of fracture.

Background

Limb injuries and fractures in daily life and work of people are common diseases in the field of orthopedic trauma. The currently common external fixation brace comprises a plaster bandage, a high polymer material splint, a 3D printing customized brace and the like. The fracture fixation requires the brace to have proper internal pressure, and the prior art has some defects, such as difficulty in adjusting the tightness once the brace is fixedly installed. When the bone is loosely fastened, the pressure on the fracture part is small, and the bone block part is easy to displace; if the tightening is over tight, the pressure on the forehead of the fracture part is too large, so that the fracture part loses blood and even dies. In addition, in the healing process, congestion and swelling of the fracture part occur, or swelling is relieved due to rehabilitation, and the use of plaster bandages, small splints and 3D printing customized braces cannot control and adjust the fastening pressure according to the situations. Moreover, (1) when receiving external force interference, lead to its partial region elasticity to be maladjusted, the patient is difficult to adjust by oneself, goes to the hospital and seeks doctor's help and wastes time and energy. (2) When a patient needs to take medicine and change medicine, the traditional fixing brace is very troublesome to disassemble and reassemble, and inconvenience is brought to the patient. (3) The conventional fixing brace is comfortable for a patient to wear, and usually has too high weight and too tight sealing property, so that the patient feels uncomfortable.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an inflatable fracture fixation brace, which aims to fix the fracture fixation position simply, quickly and accurately.

The utility model provides a concrete technical scheme does: an inflatable fracture fixation brace comprises a C-shaped splint, a pressure air bag and a pressure monitoring assembly; two sides of the opening end of the C-shaped clamping plate are connected through a connecting piece, and an air inlet hole and an air outlet hole are formed in the C-shaped clamping plate; the pressure air bag is fixed on the inner side of the C-shaped clamping plate, one side of the pressure air bag facing the C-shaped clamping plate is connected with an air inlet nozzle and an air outlet nozzle, and the air inlet nozzle and the air outlet nozzle respectively penetrate through the air inlet hole and the air outlet hole; the pressure monitoring assembly is used for monitoring the pressure between the pressure air bag and the fracture fixation position.

Preferably, the pressure air bag comprises a plurality of air bag chambers arranged in an array, and the plurality of air bag chambers are communicated with each other through an air passage.

Preferably, the gasbag chamber is hemispherical, and the hemispherical bottom of the gasbag chamber is contacted with the fracture fixation position.

Preferably, the pressure air bag is fixed on the inner side of the C-shaped splint by medical polymer bonding materials in a bonding way.

Preferably, be equipped with an admission valve on the admission nozzle, be equipped with an air outlet valve on the air outlet nozzle, the admission valve with the air outlet valve is the check valve.

Preferably, the connecting piece is a binding band, one end of the binding band is connected with one side of the open end of the C-shaped clamping plate, and the other end of the binding band is connected with the other side of the open end of the C-shaped clamping plate through a magic tape or a lock catch.

Preferably, the pressure monitoring assembly comprises a pressure gauge, the pressure gauge is fixedly arranged on the outer surface of the C-shaped clamping plate, and the pressure gauge penetrates through the C-shaped clamping plate and is connected with the pressure air bag.

Preferably, the pressure monitoring assembly comprises a pressure sensor attached to the inner surface of the pressure balloon, the pressure sensor being used for monitoring the pressure between the pressure balloon and the fracture fixation site.

Preferably, still include controlling means, controlling means is including being fixed in air pump box on the C type splint outer wall, locating battery, miniature air pump and controller in the air pump box, the pressure monitoring subassembly is connected the controller, the controller is connected miniature air pump, miniature air pump is connected the suction nozzle, miniature air pump with the controller is all connected the battery.

Preferably, the control device further comprises a control button and a display screen which are arranged on the air pump box, and the control button and the display screen are connected with the controller and the battery.

Compared with the prior art, the utility model discloses a fixed brace of inflatable fracture thereby reaches the matching laminating and the pressure fixation of brace and fracture fixed position through the atmospheric pressure that fills/exites and change pressure gasbag, and pressure monitoring subassembly real-time supervision pressure gasbag's atmospheric pressure can carry out accurate control to the pressure of brace, and simple structure easily operates, has solved the loaded down with trivial details complicated problem of the fixed clamp tight flow of current fixed brace of fracture.

Drawings

FIG. 1 is a schematic view of an exemplary inflatable fracture fixation brace of the present invention;

FIG. 2 is a partial schematic view of the connection of the integrated pressure bladder to the C-shaped splint;

FIG. 3 is a partial schematic view of the connection of the modular pressure bladder to the C-clamp plate;

FIG. 4 is a schematic diagram of an exemplary pressure bladder of the present invention;

FIG. 5 is another schematic illustration of an exemplary pressure bladder of the present invention;

fig. 6 is a schematic diagram of an exemplary control device of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides an inflatable fracture fixation brace, which includes a C-shaped splint 10, a pressure bladder 20 and a pressure monitoring assembly. Wherein, pressure gasbag 20 is fixed in C type splint 10 inboardly, and the pressure monitoring subassembly is used for the pressure between real-time supervision pressure gasbag 20 and the fixed position of fracture, and this embodiment is through the pressure value that acquires the monitoring of pressure monitoring subassembly to change the atmospheric pressure in the pressure gasbag 20, thereby reach the matching laminating and the pressure fixation of fixed brace and the fixed position of fracture, this fixed simple easy operation of process, but accurate control.

With continued reference to fig. 1, the C-shaped splint 10 has an opening, and both sides of the opening end of the C-shaped splint 10 are connected by a connecting member 40. Illustratively, the connector 40 is a strap. Wherein one end of the strap is connected to one side of the open end of the C-shaped splint 10, which may be referred to as the lower side of the open end of the C-shaped splint 10 shown in fig. 1. The other end is connected to the other side of the open end of the C-shaped splint 10 through a hook and loop fastener, and this other side may refer to the upper side of the open end of the C-shaped splint 10 shown in fig. 1. This way not only the connection is achieved but also the strap is adjustable with the C-shaped splint 10 so that the tightness of the C-shaped splint 10 can be adjusted by adjusting the strap and thereby the pressure between the C-shaped splint 10 and the fracture fixation site. Preferably, the plurality of binding bands are arranged at intervals along the length direction of the C-shaped splint 10, and the plurality here means two or more.

Preferably, the C-shaped splint 10 is made of a polymer material such as PE (polyethylene), PC (polycarbonate) or resin, has a certain hardness and elasticity, and has an effect of stably pressure-fixing the fracture fixation site of the patient in combination with the pressure bladder 20. Further, in order to ensure the comfort of the patient, the C-shaped splint 10 may be provided with ventilation holes (not shown). Preferably, the air holes are strip-shaped air holes, and the extending direction of the strip-shaped air holes is vertical to the length direction of the C-shaped splint 10. Preferably, a plurality of strip-shaped air holes are sequentially arranged along the length direction of the C-shaped splint 10 at intervals. This mode, when lightening C type splint 10's weight as far as and being convenient for adjust, effectively guaranteed fixed strength, further promote the travelling comfort that the patient dressed.

Generally, to ensure the fixing effect, the inner contour of the C-shaped splint 10 is matched with the outer contour of the fracture fixation site of the patient, as shown in fig. 1, the C-shaped splint 10 is a C-shaped straight splint which is suitable for fixing and adjusting the straight line type parts of the leg and the arm. The C-shaped splint 10 may be manufactured by various processes and structures. For example: can be based on 3D scanning data, adopt 3D printing mode to customize and the 3D printing brace that the fixed position of patient matches, the 3D printing brace etc. that C type splint 10 machineability was different fretworks to satisfy the fixed requirement that adapts to the different fixed positions of limbs, for example: is suitable for fixing forearms, crus and the like. The C-shaped splint 10 is made of a plurality of types of C-shaped splints 10 with different sizes based on anthropometric data. The patient selects the corresponding model according to the personalized limb data.

Wherein, in order to facilitate the inflation of the pressure air bag 20 fixed on the inner side of the C-shaped splint 10 by the external inflation device M, the C-shaped splint 10 is provided with an air inlet hole 11 and an air outlet hole 12. The air inlet hole 11 and the air outlet hole 12 penetrate the C-clamp 10 in the thickness direction of the C-clamp 10. Preferably, the air inlet holes 11 and the air outlet holes 12 are arranged at intervals. It should be noted that the air inlet hole 11 and the air outlet hole 12 are provided at positions convenient for observation and operation.

With continued reference to fig. 1, the pressure bladder 20 is secured to the inside of the C-splint 10. Illustratively, the pressure air bag 20 is fixed on the inner side of the C-shaped splint 10 by bonding medical polymer bonding materials, the detachable connection is realized in the mode, the pressure air bag 20 is convenient to replace, and the selection of the materials is more convenient for meeting the requirement of a patient on comfort. The pressure air bag 20 is made of a high polymer material with certain hardness and elasticity, so that the fracture fixing end is prevented from displacing again due to too flexible and soft inflation.

Referring to fig. 1, 2 and 3, an air inlet nozzle 21 and an air outlet nozzle 22 are connected to one side of the pressure air bag 20 facing the C-shaped splint 10, the air inlet nozzle 21 and the air outlet nozzle 22 respectively penetrate through the air inlet hole 11 and the air outlet hole 12, and the air inlet nozzle 21 and the air outlet nozzle 22 are respectively arranged in the air inlet hole 11 and the air outlet hole 12. Preferably, the air inlet nozzle 21 and the air outlet nozzle 22 which are arranged in the air inlet hole 11 and the air outlet hole 12 are flush with the outer surface of the C-shaped splint 10, so that the air is prevented from being touched by mistake and the air is prevented from being deflated. The external inflator M is connected to an intake nozzle 21 in the intake hole 11, and inflates the pressure bladder 20. The pressure is released through the air outlet nozzle 22 in the air outlet hole 12. Wherein, the external inflation device M is an inflation ball or an air compressor.

Further, in order to control the inflation/deflation process, an air inlet valve 23 is arranged on the air inlet nozzle 21, the external inflation device M is connected with the air inlet nozzle 21, and the air inlet valve 23 is opened or closed during the process that the external inflation device M or the air compressor inflates the air passage through the air inlet nozzle 21, so that the inflation process of an external inflation ball or the air compressor is controlled. Similarly, the air outlet nozzle 22 is connected with an air outlet valve 24, and the air outlet valve 24 is opened or closed, so that the air release amount is controlled. Preferably, the inlet valve 23 and the outlet valve 24 are both check valves.

Referring to fig. 1, 4 and 5, the pressure bladder 20 may be a one-piece bladder or may be manufactured as a combined pressure bladder 20, preferably according to the structure of the splint. When the pressure airbag 20 is a combined pressure airbag 20, referring to fig. 4 and 5, the pressure airbag 20 includes a plurality of airbag chambers 20a arranged in an array, the airbag chambers 20a are communicated with each other through an air passage 20b, and because the airbag chambers 20a are communicated with each other, the pressure of each airbag chamber 20a is the same, so that the fixation pressure of each airbag chamber 20a to the fracture fixation position after inflation is the same, and the pressure applied to each fracture fixation position by the whole fixation is the same.

As shown in fig. 5, further, the air chamber 20a is hemispherical, the hemispherical bottom of the air chamber 20a contacts with the fracture fixation position, and the hemispherical air chamber 20a can not only reach the predetermined air pressure quickly and realize the positioning during the contact with the fracture fixation position, but also ensure more balanced pressure during the fixation process due to the approximate point contact, and can play a certain massage role.

Preferably, the air passages 20b connecting the air bag chambers 20a are made of a material such as high-elasticity high-pressure-resistant polyurethane, and the air flows through the air passages so that the pressure of the air bag chambers 20a is the same.

Preferably, the surface of the pressure air bag 20, which is in contact with the fracture fixation site, is adhered with a medical dressing material with good biological performance, so that skin allergy is avoided, and the pressure air bag has the functions of sweat absorption, ventilation and the like.

Wherein the pressure monitoring assembly is used for monitoring the pressure between the pressure air bag 20 and the fracture fixation position.

Referring to fig. 1, 2 and 3, as an embodiment of the pressure monitoring assembly, the pressure monitoring assembly is a pressure gauge 30a, the pressure gauge 30a is fixed on the outer surface of the C-clamp plate 10, and the pressure gauge 30a penetrates the C-clamp plate 10 and is connected to the pressure bladder 20. The pressure gauge 30a may be mechanical or electronic.

Referring to fig. 1, as another embodiment of the pressure monitoring assembly, the pressure monitoring assembly may be a pressure sensor 30b attached to the inner surface of the pressure bladder 20, and the pressure sensor 30b is used for monitoring the pressure between the pressure bladder 20 and the fracture fixation site. The pressure value that pressure sensor 30b monitored passes through bluetooth or wifi wireless and is connected with cell-phone app, measures the pressure that the pressure gasbag gave the fixed position of fracture.

Further, in order to realize automatic control, the scheme is further optimized by the embodiment, and an automatic mode is adopted to replace a manual mode. Illustratively, as shown in fig. 1 and fig. 6, the inflatable fracture fixation brace of the present embodiment further includes a control device 50 based on the above structure, the control device 50 includes an air pump box 51 fixed on the outer wall of the C-shaped splint 10, a battery 52 disposed in the air pump box 51, a micro air pump 53 and a controller 54, the pressure monitoring component is connected to the controller 54, the controller 54 is connected to the micro air pump 53, the micro air pump 53 is connected to the air inlet nozzle 21, and both the micro air pump 53 and the controller 54 are connected to the battery 52.

With continued reference to fig. 1 and the drawings, the control device 50 further includes a control button 55 and a display screen 56, which are disposed on the air pump box 51, and the display screen 50 is used for displaying the pressure value detected by the pressure monitoring assembly. Control buttons 55 and display 56 are connected to controller 54 and battery 52 and are powered by battery 52. In addition, the intake valve 23 and the exhaust valve 24 are also connected to the controller 54, and the controller 54 controls the opening and closing of the intake valve 23 and the exhaust valve 24.

Adopt the utility model discloses the process that the fixed brace of exemplary inflatable fracture carried out automatic control does: the pressure monitoring assembly applies the pressure value of the pressure air bag monitored in real time to the fracture fixation position and sends the pressure value to the controller 54, the controller 54 compares the pressure value with a pre-stored preset pressure value, if the monitored pressure value is smaller than the minimum value of the preset pressure value, the controller 54 controls the air inlet valve 23 to be opened, the micro air pump 53 is further controlled to inflate the air passage, and the inflation is stopped until the monitored pressure value is within the range of the preset pressure value. If the monitored pressure value is larger than the maximum value of the preset pressure value, the air outlet valve 24 can be manually controlled to deflate, the air outlet valve 24 can be controlled to be opened through the controller 54 to deflate, and automatic control is achieved through the process.

Adopt the utility model discloses the process that the fixed brace of exemplary inflatable fracture fixed does: before inflation, the forearm fracture patient wears the fixing brace, and the C-shaped splint can be fixed through the bandage. The pressure air bag is inflated by pressing the inflating device, the air pressure in the air bag is increased, each air bag chamber of the pressure air bag is enabled to be attached to the fracture fixing position, when the air pressure reaches a specified value (the specified pressure value can be determined by clinical experience of an attending doctor or by clinical tests), the fracture fixing effect can be achieved, and the inflation is stopped. When the medicine is changed or the fixing is finished and the protective tool needs to be taken down, the gas in the air bag is exhausted by pressing the gas outlet valve, and the brace can be detached.

The utility model discloses an inflatable fixed brace of fracture thereby reaches the matching laminating and the pressure fixation of brace and the fixed position of fracture through filling/gassing change pressure bladder's atmospheric pressure, and accurate control can be carried out to the pressure of brace to pressure monitoring subassembly real-time supervision pressure bladder's atmospheric pressure, and simple structure easily operates, has solved the loaded down with trivial details complicated problem of the tight flow of fixed clamp of current fixed brace of fracture.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. An inflatable fracture fixation brace is characterized by comprising a C-shaped splint, a pressure air bag and a pressure monitoring assembly; two sides of the opening end of the C-shaped clamping plate are connected through a connecting piece, and an air inlet hole and an air outlet hole are formed in the C-shaped clamping plate; the pressure air bag is fixed on the inner side of the C-shaped clamping plate, one side of the pressure air bag facing the C-shaped clamping plate is connected with an air inlet nozzle and an air outlet nozzle, and the air inlet nozzle and the air outlet nozzle respectively penetrate through the air inlet hole and the air outlet hole; the pressure monitoring assembly is used for monitoring the pressure between the pressure air bag and the fracture fixation position.

2. The inflatable fracture fixation brace of claim 1, wherein the pressure bladder comprises a plurality of bladder chambers arranged in an array, the plurality of bladder chambers being in communication with each other via an airway.

3. The inflatable fracture fixation brace of claim 2, wherein the bladder chamber is hemispherical, and a hemispherical bottom of the bladder chamber contacts the fracture fixation site.

4. The inflatable fracture fixation brace of claim 1, wherein the pressure bladder is adhesively secured inside the C-shaped splint by a medical polymer adhesive material.

5. The inflatable fracture fixation brace of claim 1, wherein the air inlet nozzle is provided with an air inlet valve, the air outlet nozzle is provided with an air outlet valve, and the air inlet valve and the air outlet valve are both one-way valves.

6. The inflatable fracture fixation brace of claim 1, wherein the connector is a strap, one end of the strap is connected to one side of the open end of the C-shaped splint, and the other end of the strap is connected to the other side of the open end of the C-shaped splint by a hook and loop fastener or a latch.

7. The inflatable fracture fixation brace of any one of claims 1-6, wherein the pressure monitoring assembly comprises a pressure gauge, the pressure gauge is fixedly arranged on the outer surface of the C-shaped splint and connected with the pressure air bag through the C-shaped splint.

8. The inflatable fracture fixation brace of any one of claims 1-6, wherein the pressure monitoring component comprises a pressure sensor attached to an inner surface of the pressure balloon, and the pressure sensor is used for monitoring the pressure between the pressure balloon and the fracture fixation site.

9. The inflatable fracture fixation brace of any one of claims 1 to 6, further comprising a control device, wherein the control device comprises an air pump box fixed on the outer wall of the C-shaped splint, a battery arranged in the air pump box, a micro air pump and a controller, the pressure monitoring assembly is connected with the controller, the controller is connected with the micro air pump, the micro air pump is connected with the air inlet nozzle, and the micro air pump and the controller are both connected with the battery.

10. The inflatable fracture fixation brace of claim 9, wherein the control device further comprises a control button and a display screen disposed on the air pump box, the control button and the display screen both being connected to the controller and the battery.

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