CN110840644A - Easy-to-disassemble external fixator for fracture - Google Patents

Easy-to-disassemble external fixator for fracture Download PDF

Info

Publication number
CN110840644A
CN110840644A CN201911158374.5A CN201911158374A CN110840644A CN 110840644 A CN110840644 A CN 110840644A CN 201911158374 A CN201911158374 A CN 201911158374A CN 110840644 A CN110840644 A CN 110840644A
Authority
CN
China
Prior art keywords
strip
shaped groove
piston
plunger
fixed block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911158374.5A
Other languages
Chinese (zh)
Other versions
CN110840644B (en
Inventor
罗飞
杨森
武文杰
许建中
杜诗宇
谭玖林
邓墨渊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanfang Hospital
First Affiliated Hospital of PLA Military Medical University
Original Assignee
First Affiliated Hospital of PLA Military Medical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by First Affiliated Hospital of PLA Military Medical University filed Critical First Affiliated Hospital of PLA Military Medical University
Priority to CN201911158374.5A priority Critical patent/CN110840644B/en
Publication of CN110840644A publication Critical patent/CN110840644A/en
Application granted granted Critical
Publication of CN110840644B publication Critical patent/CN110840644B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • A61F5/058Splints

Landscapes

  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention belongs to the technical field of medical treatment, and particularly relates to a fracture external fixator convenient to assemble and disassemble, which comprises two binding bands and at least two arc-shaped fixing blocks, wherein the fixing blocks are made of memory alloy materials, and mounting parts are arranged on the fixing blocks; a strip-shaped groove is formed in the side wall of the fixed block, a plunger piston slides in the strip-shaped groove and is connected with the strip-shaped groove in a sealing mode, and a first elastic piece is arranged between the plunger piston and the strip-shaped groove; a connecting belt is arranged on one side of the plunger, which is far away from the strip-shaped groove, and a detachable connecting piece connected to the mounting part is arranged at the free end of the connecting belt; an air bag is fixed on the connecting belt, and an air pipe is communicated between the air bag and the strip-shaped groove; the opposite two sides of the fixed block are respectively provided with a through groove for the bandage to pass through. The external fracture fixator is convenient to use, the fixing blocks are connected into a whole and then directly wrapped on the affected part, and then the fixing blocks at the head end and the tail end are connected.

Description

Easy-to-disassemble external fixator for fracture
Technical Field
The invention belongs to the technical field of medical treatment, and particularly relates to a fracture external fixator convenient to disassemble and assemble.
Background
The fracture can be clinically classified into four types, namely, extension type, adduction type, flexion type and special type. For the extension fracture, the plaster is usually adopted for fixation in clinic at present. After the plaster is clinically used for external fixation, the limbs cannot move, and the patient is easy to feel tired and uncomfortable after being fixed in the same posture for a long time; in addition, the plaster fixation processing procedure is complicated, and the patient still needs to be molded again after the affected limb has detumescence, the whole treatment process needs to be molded repeatedly, so that the cost is complicated and high. For fractures that are not very severe, small splints are also used for fixation. When the small splints are used for fixation, the small splints are firstly placed on the affected part of the patient one by one and then bound and fixed by using gauze. Adopt this kind of mode fixed, generally need two staff to implement jointly, the operation is comparatively troublesome, and fixed completion back moreover, along with the extension of time, little splint take place the skew easily, lead to fixed effect not good.
Disclosure of Invention
The invention aims to provide an external fracture fixator convenient to disassemble and assemble so as to solve the problem that the conventional fixing device is complicated in fixing operation steps.
In order to achieve the purpose, the scheme of the invention is as follows: the external fracture fixator convenient to disassemble and assemble comprises two binding bands and at least two arc-shaped fixing blocks, wherein the fixing blocks are made of memory alloy materials, and mounting parts are arranged on the fixing blocks; a strip-shaped groove is formed in the side wall of the fixed block, a plunger piston slides in the strip-shaped groove and is connected with the strip-shaped groove in a sealing mode, and a first elastic piece is arranged between the plunger piston and the strip-shaped groove; a connecting belt is arranged on one side of the plunger, which is far away from the strip-shaped groove, and a detachable connecting piece connected to the mounting part is arranged at the free end of the connecting belt; an air bag is fixed on the connecting belt, and an air pipe is communicated between the air bag and the strip-shaped groove; the opposite two sides of the fixed block are respectively provided with a through groove for the bandage to pass through.
The working principle of the scheme is as follows: when the affected part of fracture needs to be fixed, the size of the fracture part is roughly measured firstly, the number of the fixing blocks needed to be used is determined, and the principle of determining the number of the fixing blocks is that all the fixing blocks are enclosed to be closed, the affected part cannot be wrapped, but the affected part can be enclosed through proper stretching of the connecting belt. The fixing blocks to be used are sequentially arranged in the same direction, the connecting belt on the fixing block is pulled towards one side of the fixing block, and the connecting piece on the connecting belt is connected to the mounting part on the adjacent fixing block. After the fixing blocks are connected into a whole, one binding belt sequentially penetrates through the through grooves at the same end of each fixing block, and the other binding belt sequentially penetrates through the through grooves at the other end of each fixing block. The fixing blocks on the two sides are taken up, the surface, which is not contacted with the connecting belt, of the fixing block is attached to the affected part, the fixing blocks are connected into a circle around the affected part, and the connecting belt on the fixing block at the last end is connected to the fixing block at the other end. In the process, acting force needs to be applied to the fixing blocks on the two sides, so that the distance between the adjacent fixing blocks becomes long, and each fixing block is ensured to wrap the affected part. In-process to the effort is applyed to the fixed block, the connecting band pulling plunger slides to bar groove one side, and the volume in the bar inslot diminishes, and the unnecessary gas of bar inslot passes through the gasbag on the trachea entering connecting band for the gasbag expands gradually, avoids the connecting band to strangle the affected part of patient. After the fixed block is preliminarily fixed, each fixed block is attached to the affected part of a patient, so that the fixed block is adapted to the shape of the affected part, and then the bandages at the two ends of the fixed block are bound in sequence, so that each fixed block is completely fixed to the affected part.
The beneficial effect of this scheme lies in:
1. when the affected part is large, the number of the fixing blocks can be increased, and when the affected part is small, the number of the fixing blocks can be properly reduced. The fixing blocks in the scheme are detachably connected, can be used for fixing fracture parts of different sizes, and are wide in application range.
2. The external fracture fixator is convenient to use, the fixing blocks are connected into a whole and then directly wrapped on the affected part, and then the fixing blocks at the head end and the tail end are connected.
3. This scheme has threely fixed to the fixer, and first heavy fixing is the fixed of connecting band, and second, threefold fixing are the fixed of both sides bandage, can be reliable, stable realization affected part fixed through threefold fixing, effectively avoid the fixed block skew. The fixing block is made of memory alloy materials, the fixing block can be attached to an affected part through triple fixation, and the fixing block is good in adaptability and universality.
4. When the external fracture fixator is used on the affected part of a patient, the fixing blocks are connected through the connecting belt, gaps exist among the fixing blocks, the connecting belt directly contacts the affected part of the patient, and if no protective measures exist, the affected part of the patient is easily reined. And in this scheme, when parcel patient affected part, the connecting band pulling plunger compresses the gas in the bar inslot for gasbag inflation on the connecting band, the expanded gasbag and the contact of patient affected part skin can effectively avoid patient's skin to be reined in the wound by the connecting band.
Optionally, the connecting member is a buckle, and the mounting portion is an insert cooperating with the buckle. The fixing block is connected in a mode of the inserting fastener, so that the connection is simple, convenient and reliable.
Optionally, the connecting piece is a screw, and the screw is rotatably connected to the connecting belt; the mounting part is a thread groove matched with the screw. The fixing blocks are connected in a threaded connection mode, and the connection is reliable.
Optionally, the surface of the fixed block is provided with a protective pad. The protection pad is arranged to avoid direct contact between the affected part and the hard fixing block, so that the skin can be well protected.
Optionally, the fixing block is provided with a plurality of air holes. The air holes are arranged, so that the affected part of the patient can be normally cooled.
Optionally, a cavity is formed in the fixing block, a plurality of medicine outlet holes communicated with the cavity are formed in the fixing block, and a medicine applying pad contacted with the medicine outlet holes is arranged on the fixing block; a piston positioned between the plunger and the strip-shaped groove is connected in the strip-shaped groove in a sliding manner, the first elastic piece is positioned between the plunger and the piston, a second elastic piece is connected between the piston and the bottom of the strip-shaped groove, and the elastic coefficient of the second elastic piece is greater than that of the first elastic piece; the fixing block is connected with a medicine inlet pipe and a discharge pipe which are both communicated with the strip-shaped groove, one end of the medicine inlet pipe and one end of the discharge pipe are both positioned between the plunger piston and the piston, and the medicine inlet pipe and the discharge pipe are connected with the opposite side of one side of the fixing block, which is provided with the medicine application pad; a one-way liquid inlet valve is arranged on the medicine inlet pipe, a one-way liquid outlet valve is arranged on the discharge pipe, and the free end of the discharge pipe is communicated with the cavity; one end of the air pipe is positioned between the piston and the bottom of the strip-shaped groove.
After the patient fractures, the surface of the affected part is usually red, swollen and painful, and generally the liquid medicine needs to be smeared on the surface of the affected part. In this scheme, add the piston between bar groove bottom and plunger, the piston separates the bar groove for two parts. When the fixator is used for wrapping and fixing the fracture of the patient, the plunger presses the first elastic piece, the second elastic piece and the piston in the strip-shaped groove, air between the piston and the bottom of the strip-shaped groove enters the air bag to expand the air bag, and the patient is prevented from being reined by the connecting belt; the strip-shaped groove between the piston and the plunger presses the liquid medicine into the cavity, and finally the liquid medicine automatically permeates into the medicine application pad, so that the affected part of the patient can absorb the liquid medicine, and the speed of treating the fracture is accelerated. The fixer of this scheme of use is automatic for the affected part coating liquid medicine when effectively fixing the fracture affected part, effectively raises the efficiency.
Optionally, the fixed block is provided with a limiting groove communicated with the strip groove, the piston is provided with a first bump clamped in the limiting groove, and the plunger is provided with a second bump clamped in the limiting groove. The limiting groove has a guiding effect on the piston and the plunger, and meanwhile, the second lug arranged on the plunger is matched with the limiting groove, so that the plunger can be effectively prevented from being separated from the limiting groove.
Optionally, hydraulic oil is filled in the strip-shaped groove between the piston and the bottom of the strip-shaped groove. Hydraulic oil is less prone to compression and is more suitable as a filler than air.
Optionally, the first elastic member and the second elastic member are both compression springs.
Optionally, the surfaces of the plunger and the piston are provided with sealing gaskets capable of contacting with the inner wall of the strip-shaped groove. The sealing gasket is arranged to improve the sealing performance between the plunger and the strip-shaped groove and between the piston and the strip-shaped groove.
Drawings
FIG. 1 is a front sectional view of a fixing block of an external fracture fixator convenient to assemble and disassemble according to an embodiment of the present invention;
FIG. 2 is a schematic view of the plurality of anchor blocks of FIG. 1 shown connected together;
fig. 3 is a sectional view of a fixing block of an external fracture fixator convenient to assemble and disassemble according to a second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a fixing block 10, a through groove 11, a thread groove 12, an air hole 13, a strip-shaped groove 20, a first elastic part 21, a plunger 30, a connecting belt 40, an air bag 41, a screw 42, an air pipe 50, a binding belt 60, a piston 70, a second elastic part 71, a medicine inlet pipe 80 and a one-way liquid inlet valve 81.
Example one
This embodiment is substantially as shown in fig. 1: the external fracture fixator convenient for disassembly comprises two binding bands 60 and at least two arc-shaped fixing blocks 10, wherein the fixing blocks 10 are made of memory alloy materials, have better strength and can be bent properly. The surface of the fixed block 10 is stuck with a protective pad which can be made of materials such as cotton, latex and the like. The fixing block 10 is provided with a plurality of air holes 13, which is convenient for the affected part of the patient to normally dissipate heat. As shown in fig. 2, a strip-shaped groove 20 is formed in the side wall of the fixed block 10, a plunger 30 is slidably and sealingly connected in the strip-shaped groove 20, and a first elastic member 21 is connected between the plunger 30 and the strip-shaped groove 20. In this embodiment, the first elastic member 21 is a compression spring, one end of the compression spring is connected to the plunger 30, and the other end of the compression spring is connected to the strip-shaped groove 20; when the plunger 30 is not subjected to other external forces, the right side of the plunger 30 extends out of the strip-shaped groove 20 under the action of the compression spring. The side of the plunger 30 extending out of the strip-shaped groove 20 is connected with a connecting band 40, and the free end of the connecting band 40 is provided with a connecting piece, in this embodiment, a screw 42 rotatably connected to the connecting band 40. The fixing block 10 is provided with a mounting portion which is a thread groove 12 provided on the fixing block 10 and engaged with the screw 42. The air bag 41 is adhered to the connecting band 40, the air tube 50 is communicated between the air bag 41 and the strip-shaped groove 20, and the air in the strip-shaped groove 20 can enter the air bag 41 through the air tube 50 to inflate the air bag 41. The opposite sides of the fixing block 10 are respectively opened with a through groove 11, and the binding band 60 can pass through the through groove 11.
When the affected part of fracture needs to be fixed, the size of the fracture part is roughly measured firstly, the number of the fixing blocks 10 needed is determined, and the principle of determining the number of the fixing blocks 10 is that all the fixing blocks 10 are enclosed to be closed and cannot wrap the affected part, but the affected part can be enclosed through proper stretching of the connecting belt 40. The fixing blocks 10 to be used are sequentially arranged in the same direction, the connecting band 40 on the fixing block 10 is pulled toward one side (left side in fig. 1) of the fixing block 10 itself, and the screw 42 on the connecting band 40 is connected to the screw groove 12 on the adjacent left fixing block 10, taking note that the connecting band 40 is not in contact with the side provided with the protection pad. After the fixing blocks 10 are connected into a whole, one binding band 60 sequentially passes through the through grooves 11 at the upper ends of the fixing blocks 10, and the other binding band 60 sequentially passes through the through grooves 11 at the lower ends of the fixing blocks 10. The fixing blocks 10 on the left and right sides are taken up, one side of the fixing block 10 provided with the protection pad is pasted on the affected part, the fixing blocks 10 are connected into a circle around the affected part, and the connecting belt 40 on the fixing block 10 at the last end is connected to the fixing block 10 at the other end. In this process, it is necessary to apply an acting force to the fixing blocks 10 at both sides to make the distance between the adjacent fixing blocks 10 longer, thereby ensuring that each fixing block 10 can wrap the affected part. In the process of applying acting force to the fixed block 10, the connecting band 40 pulls the plunger 30 to slide to one side of the strip-shaped groove 20, the volume in the strip-shaped groove 20 becomes small, and redundant gas in the strip-shaped groove 20 enters the air bag 41 on the connecting band 40 through the air pipe 50, so that the air bag 41 gradually expands, and the affected part of a patient is prevented from being strangled by the connecting band 40. After the preliminary fixing of the fixed block 10 is completed, each fixed block 10 is attached to the affected part of the patient, so that the fixed block 10 is adapted to the shape of the affected part, and then the bandages 60 at both ends of the fixed block 10 are sequentially bound, so that each fixed block 10 is completely fixed to the affected part.
Example two
The present embodiment is different from the first embodiment only in that: in this embodiment, the connecting member is a plastic buckle, and the mounting portion is an insert that mates with the buckle.
EXAMPLE III
This embodiment is substantially as shown in fig. 3: the external fracture fixator convenient for disassembly comprises two binding bands 60 and at least two arc-shaped fixing blocks 10, wherein the fixing blocks 10 are made of memory alloy materials, have better strength and can be bent properly. The fixing block 10 is provided with a plurality of air holes 13, which is convenient for the affected part of the patient to normally dissipate heat. The opposite sides of the fixing block 10 are respectively opened with a through groove 11, and the binding band 60 can pass through the through groove 11. A cavity is formed in the fixed block 10, a plurality of medicine outlet holes communicated with the cavity are formed in the fixed block 10, and a medicine application pad in contact with the medicine outlet holes is detachably connected to the fixed block 10; in the scheme, the medicine applying pad is made of cotton.
Open on the lateral wall of fixed block 10 has bar groove 20, and sliding and sealing connection has piston 70 and plunger 30 in bar groove 20, and specific connected mode is: the fixed block 10 is provided with a limit groove communicated with the strip groove 20, the piston 70 is welded with a first bump clamped in the limit groove, and the plunger 30 is welded with a second bump clamped in the limit groove. The surfaces of the plunger 30 and the piston 70 are respectively stuck with a sealing gasket which can contact with the inner wall of the strip-shaped groove 20. The piston 70 is located between the plunger 30 and the bottom of the strip-shaped groove 20, and hydraulic oil is filled in the strip-shaped groove 20 between the piston 70 and the bottom of the strip-shaped groove 20. A first elastic member 21 is connected between the plunger 30 and the piston 70, and a second elastic member 71 is connected between the piston 70 and the bottom of the strip-shaped groove 20, in this embodiment, the first elastic member 21 and the second elastic member 71 are both compression springs, and the elastic coefficient of the second elastic member 71 is greater than that of the first elastic member 21. When the plunger 30 is not subjected to other external forces, the piston 70 is located in the middle of the strip-shaped groove 20 under the action of the second elastic piece 71, and the right side of the plunger 30 extends out of the strip-shaped groove 20 under the combined action of the second elastic piece 71 and the first elastic piece 21. The side of the plunger 30 extending out of the strip-shaped groove 20 is connected with a connecting belt 40, the surface of the connecting belt 40 is adhered with an air bag 41, and the free end of the connecting belt 40 is provided with a connecting piece, in this embodiment, a screw 42 rotatably connected with the connecting belt 40. The fixing block 10 is provided with a mounting portion which is a thread groove 12 provided on the fixing block 10 and engaged with the screw 42.
The fixed block 10 is connected with a medicine inlet pipe 80 and a discharge pipe (the discharge pipe is not shown in the figure), the medicine inlet pipe 80 and the discharge pipe are both communicated with the strip-shaped groove 20, one end of the medicine inlet pipe 80 and one end of the discharge pipe are both positioned between the plunger 30 and the piston 70, the medicine inlet pipe 80 and the discharge pipe are connected to the opposite side of the fixed block 10 provided with the medicine applying pad, namely, the medicine inlet pipe 80, the discharge pipe and the medicine applying pad are respectively positioned on two opposite sides of the fixed block 10. The medicine inlet pipe 80 is provided with a one-way liquid inlet valve 81, the discharge pipe is provided with a one-way liquid discharge valve, and the free end of the discharge pipe is communicated with the cavity. When the pressure intensity of the strip-shaped groove between the plunger 30 and the piston 70 is reduced, the one-way liquid inlet valve 81 is automatically opened; and when the pressure of the strip groove between the plunger 30 and the piston 70 is increased, the one-way drain valve is automatically opened. The fixed block 10 is further connected with an air pipe 50 communicated with the strip-shaped groove 20, one end of the air pipe 50 is located between the piston 70 and the bottom of the strip-shaped groove 20, and the other end of the air pipe is communicated with the air bag 41.
When the affected part of the fracture needs to be fixed, the size of the fracture part is roughly measured, and the number of the fixing blocks 10 needed to be used is determined. After the used fixed block 10 is determined, the plunger 30 is extruded, the plunger 30 slides to one side of the strip-shaped groove 20, residual liquid medicine or air between the plunger 30 and the piston 70 is discharged, and then one end of the medicine inlet pipe 80 extends into the liquid medicine to be coated on the affected part of the patient. The plunger 30 is loosened, the plunger 30 is reset under the action of the first elastic piece 21 and the second elastic piece 71, the space of the strip-shaped groove between the plunger 30 and the piston 70 is increased, the pressure intensity is reduced, the one-way liquid inlet valve 81 is automatically opened, and the liquid medicine is sucked into the strip-shaped groove 20 between the plunger 30 and the piston 70 through the medicine inlet pipe 80.
The fixing blocks 10 to be used are sequentially arranged in the same direction, the connecting band 40 on the fixing block 10 is pulled towards one side of the fixing block 10, the connecting band 40 is ensured not to be contacted with one side provided with the medicine applying pad, and the screw 42 on the connecting band 40 is connected to the thread groove 12 on the adjacent left fixing block 10. After the fixing blocks 10 are connected into a whole, one binding band 60 sequentially passes through the through grooves 11 at the upper ends of the fixing blocks 10, and the other binding band 60 sequentially passes through the through grooves 11 at the lower ends of the fixing blocks 10. The fixing blocks 10 at the left and right sides are taken up, one side of the fixing block 10 provided with the medicinal pad is pasted on the affected part, the fixing blocks 10 are connected into a circle around the affected part, and the connecting band 40 on the fixing block 10 at the last end is connected to the fixing block 10 at the other end. In this process, it is necessary to apply an acting force to the fixing blocks 10 at both sides to make the distance between the adjacent fixing blocks 10 longer, thereby ensuring that each fixing block 10 can wrap the affected part. In the process of applying acting force to the fixed block 10, the connecting belt 40 pulls the plunger 30 to slide towards one side of the strip-shaped groove 20, because the elastic coefficient of the second elastic piece 71 is greater than that of the first elastic piece 21, the contraction amount of the first elastic piece 21 is greater than that of the second elastic piece 71, that is, the movement amplitude of the piston 70 is smaller than that of the plunger 30, the pressure of the strip-shaped groove 20 between the piston 70 and the plunger 30 is increased, the one-way drain valve is opened, the liquid medicine in the strip-shaped groove 20 between the piston 70 and the plunger 30 enters the cavity through the drain pipe, and the liquid medicine permeates into the medicine application pad through the medicine outlet. Meanwhile, the space enclosed between the bottom of the strip-shaped groove 20 and the piston 70 is also reduced, and the hydraulic oil in the strip-shaped groove 20 enters the air bag 41 on the connecting belt 40 through the air pipe 50, so that the air bag 41 gradually expands, and the affected part of the patient is prevented from being strangled by the connecting belt 40. After the preliminary fixing of the fixed block 10 is completed, each fixed block 10 is attached to the affected part of the patient, so that the fixed block 10 is adapted to the shape of the affected part, and then the bandages 60 at both ends of the fixed block 10 are sequentially bound, so that each fixed block 10 is completely fixed to the affected part.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims (10)

1. Fracture external fixation ware convenient to dismouting, its characterized in that: the fixing block is made of memory alloy materials, and an installation part is arranged on the fixing block; a strip-shaped groove is formed in the side wall of the fixed block, a plunger piston slides in the strip-shaped groove and is connected with the strip-shaped groove in a sealing mode, and a first elastic piece is arranged between the plunger piston and the strip-shaped groove; a connecting belt is arranged on one side of the plunger, which is far away from the strip-shaped groove, and a detachable connecting piece connected to the mounting part is arranged at the free end of the connecting belt; an air bag is fixed on the connecting belt, and an air pipe is communicated between the air bag and the strip-shaped groove; the opposite two sides of the fixed block are respectively provided with a through groove for the bandage to pass through.
2. The external fixator for fracture easy to assemble and disassemble as claimed in claim 1, wherein: the connecting piece is a plug-in buckle, and the mounting part is a plug-in piece matched with the plug-in buckle.
3. The external fixator for fracture easy to assemble and disassemble as claimed in claim 1, wherein: the connecting piece is a screw which is rotationally connected to the connecting belt; the mounting part is a thread groove matched with the screw.
4. An external fracture fixator which is easy to disassemble and assemble according to any one of claims 1 to 3, wherein: the surface of fixed block is equipped with the protection pad.
5. The external fixator for fracture easy to assemble and disassemble as claimed in claim 4, wherein: the fixed block is provided with a plurality of air holes.
6. The external fixator for fracture easy to assemble and disassemble as claimed in claim 1, wherein: a cavity is arranged in the fixed block, a plurality of medicine outlet holes communicated with the cavity are arranged on the fixed block, and a medicine applying pad contacted with the medicine outlet holes is arranged on the fixed block; a piston positioned between the plunger and the strip-shaped groove is connected in the strip-shaped groove in a sliding manner, the first elastic piece is positioned between the plunger and the piston, a second elastic piece is connected between the piston and the bottom of the strip-shaped groove, and the elastic coefficient of the second elastic piece is greater than that of the first elastic piece; the fixing block is connected with a medicine inlet pipe and a discharge pipe which are both communicated with the strip-shaped groove, one end of the medicine inlet pipe and one end of the discharge pipe are both positioned between the plunger piston and the piston, and the medicine inlet pipe and the discharge pipe are connected with the opposite side of one side of the fixing block, which is provided with the medicine application pad; a one-way liquid inlet valve is arranged on the medicine inlet pipe, a one-way liquid outlet valve is arranged on the discharge pipe, and the free end of the discharge pipe is communicated with the cavity; one end of the air pipe is positioned between the piston and the bottom of the strip-shaped groove.
7. The external fixator for fracture easy to assemble and disassemble as claimed in claim 6, wherein: the fixed block is provided with a limiting groove communicated with the strip-shaped groove, the piston is provided with a first lug clamped in the limiting groove, and the plunger is provided with a second lug clamped in the limiting groove.
8. The external fixator for fracture easy to assemble and disassemble as claimed in claim 6, wherein: hydraulic oil is filled in the strip-shaped groove between the piston and the bottom of the strip-shaped groove.
9. The external fixator for fracture easy to assemble and disassemble as claimed in claim 6, wherein: the first elastic piece and the second elastic piece are compression springs.
10. The external fixator for fracture easy to assemble and disassemble as claimed in claim 6, wherein: the surface of plunger and piston all is equipped with the sealed pad that can contact with the bar inslot wall.
CN201911158374.5A 2019-11-22 2019-11-22 Easy-to-disassemble external fixator for fracture Active CN110840644B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911158374.5A CN110840644B (en) 2019-11-22 2019-11-22 Easy-to-disassemble external fixator for fracture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911158374.5A CN110840644B (en) 2019-11-22 2019-11-22 Easy-to-disassemble external fixator for fracture

Publications (2)

Publication Number Publication Date
CN110840644A true CN110840644A (en) 2020-02-28
CN110840644B CN110840644B (en) 2021-06-29

Family

ID=69603848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911158374.5A Active CN110840644B (en) 2019-11-22 2019-11-22 Easy-to-disassemble external fixator for fracture

Country Status (1)

Country Link
CN (1) CN110840644B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5954676A (en) * 1995-06-07 1999-09-21 Kramer, Iii; Warren G. Versatile splinting device
US6000402A (en) * 1998-07-30 1999-12-14 Able; Heather Michelle Protective arm and leg restraint
CN2368488Y (en) * 1999-04-12 2000-03-15 朱金阳 Support for tractoring lambar region
CN2788770Y (en) * 2005-03-29 2006-06-21 郭新银 Four limbs fracture air-filling external fixer
CN203591369U (en) * 2013-12-17 2014-05-14 孙天全 Fixing splint for bone surgery
CN107252374A (en) * 2017-06-23 2017-10-17 中国人民解放军第四军医大学 The multi-functional anti-infection device of Local Nursing Care
CN108171838A (en) * 2017-12-27 2018-06-15 重庆旅途牛科技有限公司 A kind of method that anti-express delivery cabinet cabinet door length is opened
CN208511296U (en) * 2017-10-18 2019-02-19 广西中医药大学 Bone holding clamps for fracture of limbs
CN209019104U (en) * 2018-04-27 2019-06-25 徐肇鸣 A kind of adjustable novel orthopedic splint of clamp pressure
CN209187136U (en) * 2017-11-29 2019-08-02 滕传飞 A kind of dedicated fir-bark splint of Orthopeadic Surgery

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5954676A (en) * 1995-06-07 1999-09-21 Kramer, Iii; Warren G. Versatile splinting device
US6000402A (en) * 1998-07-30 1999-12-14 Able; Heather Michelle Protective arm and leg restraint
CN2368488Y (en) * 1999-04-12 2000-03-15 朱金阳 Support for tractoring lambar region
CN2788770Y (en) * 2005-03-29 2006-06-21 郭新银 Four limbs fracture air-filling external fixer
CN203591369U (en) * 2013-12-17 2014-05-14 孙天全 Fixing splint for bone surgery
CN107252374A (en) * 2017-06-23 2017-10-17 中国人民解放军第四军医大学 The multi-functional anti-infection device of Local Nursing Care
CN208511296U (en) * 2017-10-18 2019-02-19 广西中医药大学 Bone holding clamps for fracture of limbs
CN209187136U (en) * 2017-11-29 2019-08-02 滕传飞 A kind of dedicated fir-bark splint of Orthopeadic Surgery
CN108171838A (en) * 2017-12-27 2018-06-15 重庆旅途牛科技有限公司 A kind of method that anti-express delivery cabinet cabinet door length is opened
CN209019104U (en) * 2018-04-27 2019-06-25 徐肇鸣 A kind of adjustable novel orthopedic splint of clamp pressure

Also Published As

Publication number Publication date
CN110840644B (en) 2021-06-29

Similar Documents

Publication Publication Date Title
RU2504355C2 (en) Wound bandage
CN203953917U (en) Fractures band
CN204033872U (en) A kind of L thyroxine tab drainage fixing device
CN110840644B (en) Easy-to-disassemble external fixator for fracture
CN104605989A (en) Inflatable medical belly band
US1827241A (en) Tourniquet
CN108742763A (en) A kind of ICU nursing compression tourniquet
CN208319258U (en) A kind of incisional scar preventing mean
CN208756292U (en) A kind of ancon restraint device
CN215129505U (en) Buckling type non-latex tourniquet
CN209933442U (en) Special pneumatic therapeutic apparatus for special patient
CN209996406U (en) tourniquet capable of automatically adjusting tightness
CN219207655U (en) Cooling cold compress bag for human body
CN219230009U (en) Improved pneumatic hemostatic cuff device
CN211460832U (en) Emergency treatment device for surgical bone fracture
CN219515384U (en) Adjustable air sac vest structure
CN218527794U (en) Postoperative pressurized shaping clothes for neck fat pad
CN221045001U (en) A vascular compressor for after vascular intervention operation
CN108720887A (en) A kind of adaptive elastic tourniquet
CN213940873U (en) Novel tourniquet matched with hemostat
CN217390803U (en) Plain type neck incision pressurization protection muffler
CN214342476U (en) Air bag type artery and vein hemostasis fixing device
CN214857117U (en) Skin protection device used after nasal cavity hemostasis
CN112386390B (en) Prevent moulding brace of pressure loss
CN211272072U (en) Hand bucking rehabilitation device

Legal Events

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