CN113397793B - Fixing device for traumatic orthopedics - Google Patents
Fixing device for traumatic orthopedics Download PDFInfo
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- CN113397793B CN113397793B CN202110851901.1A CN202110851901A CN113397793B CN 113397793 B CN113397793 B CN 113397793B CN 202110851901 A CN202110851901 A CN 202110851901A CN 113397793 B CN113397793 B CN 113397793B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
- A61F5/058—Splints
- A61F5/05841—Splints for the limbs
- A61F5/05858—Splints for the limbs for the arms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F5/013—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations for the arms, hands or fingers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F2005/0132—Additional features of the articulation
- A61F2005/0165—Additional features of the articulation with limits of movement
- A61F2005/0167—Additional features of the articulation with limits of movement adjustable
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F2005/0181—Protectors for articulations
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- 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)
Abstract
The invention discloses a fixing device for wound orthopedics, which relates to the technical field of orthopedics rehabilitation instruments and comprises a large arm fixing mechanism, a small arm fixing mechanism and a locking mechanism, wherein the large arm fixing mechanism is fixedly sleeved on a large arm, the small arm fixing mechanism is abutted against a gypsum cylinder on the small arm, one end of the small arm fixing mechanism is connected with the large arm fixing mechanism through an articulated shaft, the articulated shaft is configured to enable the small arm fixing mechanism to swing up and down relative to the large arm fixing mechanism, and the locking mechanism is assembled to be capable of locking the rotational freedom degree of the articulated shaft and unlocking. According to the fixing device for the wound orthopedics department, the forearm of a patient can only swing to be bent or straightened, so that the rotation of the forearm relative to the large arm is avoided, and the fracture part of the forearm is protected; the locking mechanism is arranged, when fracture of the forearm is serious or the fracture part of the forearm is close to the elbow, the forearm can be prevented from swinging relative to the large arm, so that the movement of the forearm relative to the large arm is avoided, and the fracture part can be healed.
Description
Technical Field
The invention relates to the technical field of orthopedic rehabilitation instruments, in particular to a fixing device for traumatic orthopedics.
Background
Bone fractures are one of the most common types of disease in trauma orthopedics, and are characterized by complete or partial breakdown of the continuity of the bone structure. The treatment of fracture firstly needs to restore the displaced fracture end to normal or approximate to the original anatomical relationship after fracture so as to restore the support function of the skeleton; after the reduction of fracture, because of instability, it is easy to re-shift, so it should be fixed at the satisfied position by different methods to make it heal gradually, the commonly used fixing methods include splint, plaster bandage, external fixing bracket fixing, etc., these fixing methods are called external fixing, if through the operation incision with steel plate, steel needle, intramedullary needle, screw, etc. fixing, then called internal fixing; finally, the blood circulation of tissues around the fracture is increased by actively or passively moving the unfixed joints, joint adhesion, muscular atrophy and the like are prevented, and the functions of the injured limbs are quickly restored to the normal state before the fracture.
The patent with the publication number of CN213250184U, entitled fracture fixing splint structure for emergency department, comprises a lower splint, wherein the lower splint is semicircular, one side of the lower splint is hinged with an upper splint, first threaded holes are symmetrically formed in the other end of the lower splint, round holes are formed in the positions, corresponding to the first threaded holes, of the other end of the upper splint, fastening bolts are arranged in the round holes, a plurality of ventilation grooves are formed in the upper surface of the upper splint, a movable clamping plate is arranged on the inner side surface of the upper splint and is in a semi-arc shape, a plurality of ventilation holes are formed in the upper surface of the movable clamping plate, rotating shaft seats are symmetrically formed in the upper surface of the movable clamping plate, rotating shafts are arranged on the rotating shaft seats, second threaded holes are formed in the positions, corresponding to the rotating shaft seats, of the upper splint, threaded rods are arranged in the second threaded holes, the bottoms of the threaded rods are rotatably connected with the rotating shafts through bearings, and the lower splint and the upper splint are matched to clamp the positions, which patients need to be fixed.
In the prior art, fracture of the forearm of a patient is common, the fracture part of the repositioned forearm of the patient is fixed by using a plaster bandage or a splint or a bracket, the relatively large arm of the forearm can swing to be bent or straightened, but the forearm fracture part has the defects that the whole rotation (twisting) of the forearm cannot be prevented, the rotation of the forearm can cause load to the fracture part, and the movement of the relatively large arm of the forearm is avoided as much as possible when the fracture part of the forearm is close to the elbow.
Disclosure of Invention
The invention aims to provide a fixing device for trauma orthopedics, which aims to overcome the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a fixing device for wound orthopedics, includes big arm fixed establishment, forearm fixed establishment and locking mechanical system, wherein, the fixed cover of big arm fixed establishment connects on the big arm, forearm fixed establishment butt is on the gypsum section of thick bamboo on the forearm, the articulated shaft connection is passed through to forearm fixed establishment's one end on the big arm fixed establishment, the articulated shaft is configured into the relative big arm fixed establishment of forearm fixed establishment only can the luffing motion, locking mechanical system is assembled to can lock the articulated shaft and rotate the degree of freedom to can the unblock.
Further, big arm fixed establishment includes two dead levers, two be provided with first arc portion between the dead lever, it has second arc portion to articulate on one of them dead lever, first arc portion all is provided with the gasbag that can fill the gassing with second arc portion inboard, it closes the position to have the lid that covers first arc portion on the rotation stroke of second arc portion.
Further, the large arm fixing mechanism further includes a first locking member fitted to be capable of locking the second arc-shaped portion on the first arc-shaped portion and releasing the second arc-shaped portion from the first arc-shaped portion when the second arc-shaped portion is located at the covering position.
Further, first locking component includes fixed strip and L shape slide bar, fixed strip fixed connection is on second arc portion, L shape slide bar sliding connection is on first arc portion, and when second arc portion was located the lid and closed the position, the fixed strip laminating was in first arc portion, and L shape slide bar slides to keeping off and connects the fixed strip.
Furthermore, the small arm fixing mechanism comprises a first arc-shaped rod, two ends of the first arc-shaped rod are coaxially hinged with two opposite sides of the large arm fixing mechanism respectively, two ends and the middle of the first arc-shaped rod are hinged with a clamping piece respectively, one end of the first arc-shaped rod is hinged with a second arc-shaped rod through a shaft rod, the other end of the second arc-shaped rod is hinged with another clamping piece, the clamping piece comprises a hinge block and a hinge rod, and one end of the hinge block is hinged with the hinge rod; for the first arc-shaped rod, the other end of the first arc-shaped rod, which corresponds to the hinging block of the clamping piece, is hinged with the first arc-shaped rod; for the second arc-shaped rod, the other end of the hinge block corresponding to the clamping piece is hinged with the second arc-shaped rod; the hinged rod has a fixed position which is abutted against the gypsum cylinder on the small arm in the motion stroke.
Further, the small arm fixing mechanism further comprises a second locking assembly which is assembled to lock each hinge rod at the corresponding fixing position so that the small arm fixing mechanism can fix the small arm and can release the hinge rod from the fixing position.
Furthermore, the second locking assembly comprises four first locking units and four second locking units, each first locking unit corresponds to each clamping piece one by one, each first locking unit comprises a first supporting rod, a first bolt is connected to the first supporting rod in a threaded manner, and the end part of the first bolt is in butt fit with one end, close to the hinge block, of the corresponding hinge rod; for the clamping piece hinged with the first arc-shaped rod, the corresponding first supporting rod of the first locking unit is fixedly connected to the first arc-shaped rod; for the clamping piece hinged with the second arc-shaped rod, the corresponding first supporting rod of the first locking unit is fixedly connected to the second arc-shaped rod; each second locking unit comprises three third arc-shaped rods, one end of each third arc-shaped rod is provided with a sliding rod, when the locking mechanism is used, the four hinged rods are distributed in an annular shape, one end, close to the wrist, of each hinged rod on the back side of the forearm is fixedly connected with a guide rod, one end of each third arc-shaped rod is connected with the corresponding guide rod in a sliding mode, the other end of each third arc-shaped rod is connected with the corresponding hinged rod on the two sides of the forearm in a sliding mode through the corresponding sliding rod, and the guide rods are perpendicular to the sliding rods; the rest third arc-shaped rod is connected with one of the hinged rods positioned on the side surface of the small arm in a sliding way through the sliding rod on the third arc-shaped rod, and the other end of the third arc-shaped rod is matched with the hinged rod positioned on the front surface of the small arm in a blocking way through a blocking rod.
Furthermore, the second locking assembly comprises four third locking units, each third locking unit corresponds to each clamping piece one by one, each third locking unit comprises a second supporting rod, two second bolts are connected to the second supporting rod in a threaded connection mode, and the end portions of the two second bolts are in butt fit with the corresponding hinge rods; for the clamping piece hinged with the first arc-shaped rod, the second support rod of the corresponding third locking unit is fixedly connected to the first arc-shaped rod; for the clamping part hinged with the second arc-shaped rod, the second support rod of the corresponding third locking unit is fixedly connected with the second arc-shaped rod.
Furthermore, the locking mechanism comprises a first screw, a first nut, a second screw, a second nut and a connecting rod, the first screw is rotationally connected to the upper arm fixing mechanism, the first nut is in threaded connection with the first screw, the second screw is rotationally connected to the lower arm fixing mechanism, the second nut is in threaded connection with the first nut, and the connecting rod is connected with the first nut and the second nut; the first screw rod and the second screw rod are coaxial, the thread turning directions are opposite, and other parameters are consistent.
Further, the connecting rod is connected with the first nut in a rotating mode, one end of the connecting rod is fixedly connected with a circular ring, the circular ring is connected to the peripheral side of the first nut in a rotating mode, a third bolt is connected to the peripheral side of the circular ring along the radial direction through threads, and the end portion of the third bolt is abutted to the peripheral side face of the first nut.
In the technical scheme, the small arm fixing mechanism is in hinged fit with the large arm fixing mechanism through the hinge shaft, so that the small arm of a patient can only swing to bend or straighten, the small arm is prevented from rotating (twisting) relative to the large arm, and the small arm fracture part is protected; the locking mechanism is arranged, when the fracture of the forearm is serious or the fracture part of the forearm is close to the elbow, the forearm can be prevented from swinging relative to the large arm, so that the movement of the forearm relative to the large arm is avoided, and the healing progress of the fracture part is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic view of an overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of an overall structure of the present invention during installation or removal;
FIG. 3 is a schematic view of an overall structure according to another embodiment of the present invention;
FIG. 4 is a schematic diagram of an overall structure according to yet another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a boom fixing mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a locking mechanism provided in accordance with an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a locking mechanism according to another embodiment of the present invention.
Description of reference numerals:
1. a large arm fixing mechanism; 1.1, fixing a rod; 1.2, a first arc-shaped part; 1.3, a second arc-shaped part; 1.4, air bags; 1.5, a first locking component; 1.51, fixing strips; 1.52, an L-shaped sliding rod; 1.53, a slide bar; 1.54, elastic unit; 1.55, a first clamping part; 1.56, a second clamping part; 2. a forearm fixing mechanism; 2.1, a first arc-shaped rod; 2.2, a clamping piece; 2.21, a hinge block; 2.22, a hinged lever; 2.23, arc end; 2.3, a second arc-shaped rod; 2.4, shaft lever; 2.5, a second locking assembly; 2.51, a first locking unit; 2.511, a first strut; 2.512, a first bolt; 2.52, a second locking unit; 2.521, a third arc-shaped rod; 2.522, a slide bar; 2.523, a stop lever; 2.524, a guide bar; 253. a third locking unit; 2.531, a second strut; 2.532, a second bolt; 3. hinging shafts; 4. a locking mechanism; 4.1, a first screw; 4.2, a first nut; 4.3, a second screw; 4.4, a second nut; 4.5, connecting rods; 4.6, a circular ring; 4.7 and a third bolt.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-7, a fixing device for traumatic orthopedics provided by an embodiment of the present invention includes a large arm fixing mechanism 1, a small arm fixing mechanism 2, and a locking mechanism 4, wherein the large arm fixing mechanism 1 is fixedly sleeved on the large arm, the small arm fixing mechanism 2 abuts against a gypsum tube on the small arm, one end of the small arm fixing mechanism 2 is connected to the large arm fixing mechanism 1 through a hinge shaft 3, the hinge shaft 3 is configured such that the small arm fixing mechanism 2 can only swing up and down relative to the large arm fixing mechanism 1, and the locking mechanism 4 is configured to lock the rotational degree of freedom of the hinge shaft 3 and can be unlocked.
Specifically, the large arm fixing mechanism 1 is fixedly sleeved on the large arm in a binding, wearing or buckling mode and forms a whole together with the large arm, the small arm fixing mechanism 2 is fixed on a gypsum cylinder on the small arm in an extruding, fitting, binding, wearing or buckling mode and the like, one end of the small arm fixing mechanism 2 is rotatably connected with the large arm fixing mechanism 1 through a hinge shaft 3, a hinge seat or a hinge, the hinge shaft 3 is configured in a way that the small arm fixing mechanism 2 can only swing up and down relative to the large arm fixing mechanism 1, namely, the swinging axial direction of normal bending or straightening between the large arm and the small arm is coaxial with the axial direction of the hinge shaft 3, so that the small arm of a patient can only swing to bend or straighten, the situation that the small arm rotates (twists) relative to the large arm to cause the reset fracture part to re-crack or displace is avoided, the small arm fracture part is protected, and the rehabilitation of the patient is promoted; when fracture of the forearm is severe or the fracture of the forearm is close to the elbow, the locking mechanism 4 is assembled to lock the rotational degree of freedom of the hinge shaft 3, for example, a fastening nut is screwed on the hinge shaft 3, and the fastening nut is tightened to enable the end face of the fastening nut to press the forearm fixing mechanism 2 or the large arm fixing mechanism 1, so that the rotational degree of freedom of the hinge shaft 3 can be locked, that is, the locking mechanism 4 can lock the angle between the forearm fixing mechanism 2 and the large arm fixing mechanism 1, the forearm fixing mechanism 2 cannot rotate relative to the large arm fixing mechanism 1, and the forearm fixing mechanism 2 is fixed relative to the large arm fixing mechanism 1, so that the movement of the forearm relative to the large arm is avoided, the forearm and the large arm form a relatively fixed whole, the fracture part can be protected to the maximum extent, and the healing speed of the fracture part is accelerated.
As a preferable technical solution of this embodiment, the large arm fixing mechanism 1 includes two fixing rods 1.1, a first arc-shaped portion 1.2 is disposed between the two fixing rods 1.1, a second arc-shaped portion 1.3 is hinged on one fixing rod 1.1, air bags 1.4 capable of being inflated and deflated are disposed inside the first arc-shaped portion 1.2 and the second arc-shaped portion 1.3, air nozzles for inflating and deflating are disposed on the air bags 1.4, the air bags 1.4 are respectively adapted to the radians of the first arc-shaped portion 1.2 and the second arc-shaped portion 1.3, a covering position for covering the first arc-shaped portion 1.2 is provided on the rotation stroke of the second arc-shaped portion 1.3, when the large arm fixing mechanism 1 is fixed to the large arm, the second arc-shaped part 1.3 is in an open state (as shown in figure 2), a layer of breathable cloth or breathable cotton is wrapped on the big arm of the patient, the big arm of the patient is placed on the air bag 1.4 of the first arc-shaped part 1.2, then the second arc-shaped part 1.3 is rotated to enable the second arc-shaped part 1.3 to rotate to a covering position (as shown in figure 1), the second arc-shaped part 1.3 and the first arc-shaped part 1.2 are bound and fixed together by a rope, a bandage or a first locking component 1.5, then the air bag 1.4 is inflated to fill the gaps among the first arc-shaped part 1.2, the second arc-shaped part 1.3 and the periphery of the big arm, and the big arm fixing mechanism 1 is sleeved and fixed on the big arm. The design of the air bag 1.4 also enables the forearm fixing mechanism 1 to be adapted to different thicknesses of the forearm.
As a further preferred solution of the present embodiment, referring to fig. 1-2, the large arm fixing mechanism 1 further includes a first locking component 1.5, and the first locking component 1.5 is configured to lock the second arc-shaped portion 1.3 on the first arc-shaped portion 1.2 and release the second arc-shaped portion 1.3 from the first arc-shaped portion 1.2 when the second arc-shaped portion 1.3 is located at the covering position. Preferably, the first locking assembly 1.5 includes a fixing strip 1.51 and an L-shaped sliding rod 1.52, the fixing strip 1.51 is fixedly connected to the second arc-shaped portion 1.3, the L-shaped sliding rod 2.522 is slidably connected to the first arc-shaped portion 1.2, when the second arc-shaped portion 1.3 is located at the covering position, the fixing strip 1.51 is attached to the first arc-shaped portion 1.2, and the L-shaped sliding rod 2.522 is slid to block the fixing strip 1.51, so that the second arc-shaped portion 1.3 is covered and fixed on the first arc-shaped portion 1.2, and the fixing of the large arm fixing mechanism 1 and the large arm is realized. During unlocking, the second arc-shaped part 1.3 can be rotated away from the covering position only by reversely sliding the L-shaped sliding rod 2.522 to ensure that the L-shaped sliding rod 2.522 does not block the fixing strip 1.51 any more.
As another preferred technical solution of this embodiment, referring to fig. 5, the first locking assembly 1.5 includes a sliding bar 1.53, the sliding bar 1.53 is slidably disposed on the fixing bar 1.1, an elastic unit 1.54 is disposed between the fixing bar 1.1 and the sliding bar 1.53, a plurality of first clamping portions 1.55 are fixedly connected to the sliding bar 1.53, a plurality of second clamping portions 1.56 are fixedly connected to the second arc portion 1.3, and are in one-to-one correspondence with the first clamping portions 1.55 and in clamping fit with the first clamping portions 1.55, when the second arc portion 1.3 is about to rotate to the covering position, a wedge surface of the second clamping portion 1.56 is in sliding abutting fit with a wedge surface of the corresponding first clamping portion 1.55, so that the first clamping portion 1.55 drives the sliding bar 1.53 to slide against the elastic force of the elastic unit 1.54, and when the second arc portion 1.3 continues to rotate to the covering position, the wedge surface of the second clamping portion 1.56 and the corresponding first clamping portion 1.55 slide, and the elastic unit 1.53 further separates the first clamping portion 1.3 from the first clamping portion 1.3. During unlocking, the sliding strip 1.53 is only required to be put down along the elasticity of the elastic unit 1.54, the sliding strip 1.53 drives the first clamping parts 1.55 to move simultaneously, so that the first clamping parts 1.55 are separated from the corresponding second clamping parts 1.56 to be clamped, and the second arc-shaped part 1.3 is rotated to be separated from the covering position.
In another embodiment provided by the invention, referring to fig. 1-4, the small arm fixing mechanism 2 includes a first arc-shaped rod 2.1, the first arc-shaped rod 2.1 is in a semicircular ring shape of 4.6, two ends of the first arc-shaped rod 2.1 are respectively and coaxially hinged with two opposite sides of the large arm fixing mechanism 1, that is, two ends of the first arc-shaped rod 2.1 are respectively hinged with two fixing rods 1.1, two ends and a middle part of the first arc-shaped rod 2.1 are respectively hinged with a clamping member 2.2, one end of the first arc-shaped rod 2.1 is hinged with a second arc-shaped rod 2.3 through a shaft lever 2.4, the other end of the second arc-shaped rod 2.3 is hinged with another clamping member 2.2, a pre-clamping position enabling four clamping members 2.2 to be hinged and distributed in an annular direction is arranged in a rotation stroke of the second arc-shaped rod 2.3, the clamping member 2.2 includes a hinge block 2.21 and a hinge rod 2.22, and one end of the hinge block 2.21 is hinged with the hinge rod 2.22; for the first arc-shaped rod 2.1, the other end of the hinge block 2.21 corresponding to the clamping piece 2.2 is hinged with the first arc-shaped rod 2.1; for the second arc-shaped rod 2.3, the other end of the hinge block 2.21 corresponding to the clamping piece 2.2 is hinged with the second arc-shaped rod 2.3; the articulated rods 2.22 are provided with fixed positions which are abutted and connected with the gypsum cylinder on the forearm in the movement stroke, at the fixed positions, the articulated rods 2.22 are tightly attached and fixed on the gypsum cylinder of the forearm, when the gypsum is not completely dried when being just applied to the forearm, the gypsum can not fix the fractured forearm, at the moment, the articulated rods 2.22 fix the forearm from the peripheral side of the forearm, and the gypsum cylinder plays a main fixing role on the fractured part of the forearm after the gypsum cylinder is dried and shaped, the articulated rods 2.22 are supported outside the gypsum cylinder and play an auxiliary supporting role on the fractured part of the forearm. The design of clamping piece 2.2 can adjust the distance of articulated rod 2.22 apart from forearm gypsum section of thick bamboo through articulated piece 2.21 to make this forearm fixed establishment 2 can adapt to the forearm of different thickness, use in a flexible way. The small arm fixing mechanism 2 is matched with the large arm fixing mechanism 1 for use, so that the small arm of a patient can only swing to bend or unbend, and the situation that the reset fracture part is cracked or displaced again due to the rotation of the small arm relative to the large arm is avoided.
As a preferred solution of the present embodiment, referring to fig. 1 to 4, the arm fixing mechanism 2 further includes a second locking assembly 2.5, and the second locking assembly 2.5 is configured to lock each of the hinge rods 2.22 at the corresponding fixing position so that the arm fixing mechanism 2 fixes the arm and can release the hinge rod 2.22 from the fixing position. Preferably, referring to fig. 1-2, the second locking assembly 2.5 includes four first locking units 2.51 and four second locking units 2.52, each first locking unit 2.51 corresponds to each clamping member 2.2 one by one, each first locking unit 2.51 includes a first support rod 2.511, a first bolt 2.512 is connected to the first support rod 2.511 in a threaded manner, an end of the first bolt 2.512 is in abutting fit with one end of the corresponding hinge rod 2.22 close to the hinge block 2.21, and the distance from one end of the hinge rod 2.22 close to the hinge block 2.21 to the gypsum cylinder can be adjusted by rotating the first bolt 2.512; for the clamping part 2.2 hinged to the first arc-shaped bar 2.1, the corresponding first branch 2.511 of the first locking unit 2.51 is fixedly connected to the first arc-shaped bar 2.1; for the clamping part 2.2 hinged with the second arc-shaped rod 2.3, the corresponding first branch rod 2.511 of the first locking unit 2.51 is fixedly connected with the second arc-shaped rod 2.3; each second locking unit 2.52 comprises three third arc-shaped rods 2.521, one end of each third arc-shaped rod 2.521 is provided with a sliding rod 2.522, when in use, four hinged rods 2.22 are distributed annularly, one end of the hinged rod 2.22 at the back side of the forearm close to the wrist is fixedly connected with a guide rod 2.524, one end of each third arc-shaped rod 2.521 is connected with the guide rod 2.524 in a sliding manner, the other end of each third arc-shaped rod 2.22 is connected with the hinged rod 2.22 at the two sides of the forearm in a sliding manner in a one-to-one correspondence manner through the sliding rod 2.522, the guide rod 2.524 is perpendicular to the sliding rod 2.522, the distance between the hinged rods 2.22 at the two sides of the forearm and the plaster cylinder of the forearm can be adjusted by sliding the two third arc-shaped rods 2.521 on the guide rod 2.524, and the distance between the hinged rods 2.22 at the two sides of the forearm and the plaster cylinder of the forearm can be adjusted by sliding the hinged rod 2.522 of any one of the two third arc-shaped rods 2.521 relative to the plaster cylinder at the two sides of the forearm; the rest third arc-shaped rod 2.521 is connected with one of the hinged rods 2.22 positioned on the side surface of the small arm in a sliding mode through the sliding rod 2.522 on the third arc-shaped rod, the other end of the third arc-shaped rod is in blocking fit with the hinged rod 2.22 positioned on the front surface of the small arm through a blocking rod 2.523, the sliding rod 2.522 of the third arc-shaped rod 2.521 slides relative to the hinged rod 2.22 in sliding connection with the third arc-shaped rod, so that the distance between the hinged rod 2.22 on the front surface of the small arm and a gypsum cylinder on the small arm can be adjusted through the blocking rod, and the clamping piece 2.2 on the front surface of the arm is driven by the second arc-shaped rod 2.3 to rotate, so that the clamping piece can be rotated to install or dismantle the small arm fixing mechanism 2 to the periphery side of the gypsum cylinder on the small arm. It should be noted that the sliding between the third arc-shaped rod 2.521 and the guide rod 2.524 and the sliding between the sliding rod 2.522 and the corresponding hinge rod 2.22 can be locked at any time, for example, the locking is performed by a screw nut structure, for example, the guide rod 2.524 and the sliding rod 2.522 are respectively provided with threads, and then a lock nut is configured. The first locking unit 2.51 is used for abutting and attaching one end of the hinge rod 2.22 close to the hinge block 2.21 (i.e. one end of the hinge rod 2.22 close to the large arm) on the gypsum cylinder of the small arm, and the second locking unit 2.52 is used for associating and abutting and attaching one ends of the four hinge rods 2.22 far away from the hinge block 2.21 (i.e. one ends of the hinge rods 2.22 close to the wrist) on the gypsum cylinder of the small arm.
Further, articulated rod 2.22 is kept away from the one end that corresponds articulated piece 2.21 and is set the arc end 2.23, arc end 2.23 is crooked to the direction of keeping away from the gypsum section of thick bamboo, arc end 2.23 is located patient's wrist department, so arc end 2.23 can enough make things convenient for patient's hand activity, this does, the arc end 2.23 of articulated rod 2.22 of clamping piece 2.2 on the corresponding articulated and second arc pole 2.3, it is except above-mentioned effect, can also make things convenient for the shelves pole to keep off to connect the lock to this articulated rod 2.22 on, the arc design of arc end 2.23 can prevent the shelves pole from articulating the landing of rod 2.22 tip.
As another preferable technical solution of this embodiment, referring to fig. 3, the second locking assembly 2.5 includes four third locking units 253, each third locking unit 253 corresponds to each clamping member 2.2 one by one, each third locking unit 253 includes a second supporting rod 2.531, two second bolts 2.532 are connected to the second supporting rod 2.531 in a threaded connection manner, end portions of the two second bolts 2.532 are in abutting fit with the corresponding hinge rod 2.22, one of the two second bolts 2.532 is located at one end of the hinge rod 2.22 close to the large arm, the other is located at one end of the hinge rod 2.22 close to the wrist, and both ends of the hinge rod 2.22 can be fixed on the gypsum barrel of the small arm in an abutting manner by the two second bolts 2.532; for the clamping piece 2.2 hinged to the first arc-shaped rod 2.1, the second support rod 2.531 of the corresponding third locking unit 253 is fixedly connected to the first arc-shaped rod 2.1; in the case of the tensioning means 2.2 articulated to the second curved bar 2.3, the second limb 2.531 of its corresponding third locking unit 253 is fixedly connected to the second curved bar 2.3.
As a further preferable technical solution of the present embodiment, referring to fig. 4, the second locking assembly 2.5 comprises two second locking units 2.52, wherein one second locking unit 2.52 is located at one end of each hinge rod 2.22 near the large arm for fixing one end of each hinge rod 2.22 near the large arm to the gypsum cylinder of the small arm, and the other second locking unit 2.52 is located at one end of each hinge rod 2.22 near the wrist for fixing one end of each hinge rod 2.22 near the wrist to the gypsum cylinder of the small arm.
In still another embodiment provided by the present invention, referring to fig. 6, the locking mechanism 4 includes a first screw rod 4.1, a first nut 4.2, a second screw rod 4.3, a second nut 4.4 and a connecting rod 4.5, the first screw rod 4.1 is rotatably connected to the fixing rod 1.1 of the large arm fixing mechanism 1, the first nut 4.2 is in threaded connection with the first screw rod 4.1, the second screw rod 4.3 is rotatably connected to the first arc-shaped rod 2.1 of the small arm fixing mechanism 2, the second nut 4.4 is in threaded connection with the first nut 4.2, and the connecting rod 4.5 is connected to the first nut 4.2 and the second nut 4.4; the first screw 4.1 and the second screw 4.3 are coaxial and have opposite thread directions, and other parameters are consistent. The first nut 4.2 and the second nut 4.4 can be synchronously rotated through forward rotation of any one of the connecting rod 4.5, the first nut 4.2 and the second nut 4.4, so that the first screw rod 4.1 and the second screw rod 4.3 are close to each other, an included angle between the large arm fixing mechanism 1 and the small arm fixing mechanism 2 is reduced, the first screw rod 4.1 and the second screw rod 4.3 can be far away from each other through reverse rotation of any one of the connecting rod 4.5, the first nut 4.2 and the second nut 4.4, an included angle between the large arm fixing mechanism 1 and the small arm fixing mechanism 2 is increased, and when rotation is stopped, the included angle between the small arm fixing mechanism 2 and the large arm fixing mechanism 1 is locked, so that the small arm and the large arm of a patient can be kept at a relative comfortable or proper angle, the reduction of the fracture part of the small arm can be achieved through tight thread joint, the small arm can be fixed relative to the large arm, and the fracture part of the small arm can be promoted to be healed. Further, because the swing amplitude of the small arm is relatively large compared with the swing amplitude of the large arm, the maximum amplitude is 150 degrees, the design of the locking mechanism 4 can enable the first screw rod 4.1 and the second screw rod 4.3 to be close to or move at the same time every time the connecting rod 4.5 rotates for one circle, and the speed of angle adjustment between the large arm fixing mechanism 1 and the small arm fixing mechanism 2 can be increased.
As a further preferable technical solution of the present embodiment, referring to fig. 7, the connecting rod 4.5 is rotatably connected to the first nut 4.2, one end of the connecting rod 4.5 is fixedly connected to a ring 4.6, the ring 4.6 is rotatably connected to the circumferential side of the first nut 4.2, the circumferential side of the ring 4.6 is radially and threadedly connected to a third bolt 4.7, and the end of the third bolt 4.7 abuts against the circumferential side surface of the first nut 4.2. When the third bolt 4.7 is tightened, the end of the third bolt 4.7 abuts against the circumferential side surface of the first nut 4.2, so that the circular ring 4.6 and the first nut 4.2 are relatively fixed, the effect of the technical scheme is consistent with that of the technical scheme, the angle between the large arm fixing mechanism 1 and the small arm fixing mechanism 2 can be quickly adjusted, the coarse adjustment is carried out, and the technical scheme has the advantages that: when the angle between the small arm fixing mechanism 1 and the small arm fixing mechanism 2 is adjusted to be close to a preset angle, the third bolt 4.7 is unscrewed to enable the circular ring 4.6 to rotate relative to the first nut 4.2, at the moment, the connecting rod 4.5 is rotated again, the connecting rod 4.5 drives the second nut 4.4 and the circular ring 4.6 to rotate, the circular ring 4.6 only rotates on the first nut 4.2, the first nut 4.2 cannot rotate, at the moment, the angle between the small arm fixing mechanism 2 and the large arm fixing mechanism 1 can be adjusted only through the thread effect of the second nut 4.3, under the condition that the rotating speed of the connecting rod 4.5 is not changed, the speed of adjusting the angle between the small arm fixing mechanism 2 and the large arm fixing mechanism 1 in the technical scheme is only half of the speed of adjusting the angle between the small arm fixing mechanism 2 and the large arm fixing mechanism 1 in the previous technical scheme, the speed is fine adjustment, so that the angle between the small arm fixing mechanism 2 and the large arm fixing mechanism 1 can be adjusted more accurately, the preset angle between the small arm fixing mechanism 2 and the large arm fixing mechanism 1 can be adjusted to keep a proper fracture angle of a patient relatively suitable for rehabilitation, and the rehabilitation of the patient, and the patient can be kept in the current rehabilitation angle, and the patient can be recovered.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. A fixing device for trauma orthopedics is characterized by comprising
The large arm fixing mechanism is fixedly sleeved on the large arm;
the small arm fixing mechanism is abutted against the gypsum cylinder on the small arm; one end of the small arm fixing mechanism is connected with the large arm fixing mechanism through a hinge shaft, and the hinge shaft is configured in such a way that the small arm fixing mechanism can only swing up and down relative to the large arm fixing mechanism;
a locking mechanism fitted to be able to lock the hinge shaft rotational degree of freedom and to be able to unlock;
the small arm fixing mechanism comprises a first arc-shaped rod, two ends of the first arc-shaped rod are coaxially hinged with two opposite sides of the large arm fixing mechanism respectively, two ends and the middle of the first arc-shaped rod are hinged with a clamping piece respectively, one end of the first arc-shaped rod is hinged with a second arc-shaped rod through a shaft rod, the other end of the second arc-shaped rod is hinged with another clamping piece, the clamping piece comprises a hinge block and a hinge rod, and one end of the hinge block is hinged with the hinge rod;
for the first arc-shaped rod, the other end of the first arc-shaped rod, which corresponds to the hinge block of the clamping piece, is hinged with the first arc-shaped rod;
for the second arc-shaped rod, the other end of the second arc-shaped rod, which corresponds to the hinging block of the clamping piece, is hinged with the second arc-shaped rod;
the hinged rod is provided with a fixed position which is abutted against the gypsum cylinder on the small arm in a fitting manner in the movement stroke;
the arm fixing mechanism further comprises a second locking assembly which is assembled to lock each hinge rod at a corresponding fixing position so that the arm fixing mechanism fixes the arm and can release the hinge rod from the fixing position.
2. The orthopedic fixation device for trauma according to claim 1, wherein the large arm fixation mechanism comprises two fixation rods, a first arc portion is disposed between the two fixation rods, a second arc portion is hinged to one fixation rod, air bags capable of being inflated and deflated are disposed inside the first arc portion and the second arc portion, and a covering position for covering the first arc portion is provided on a rotation stroke of the second arc portion.
3. The traumatic orthopedic fixation device according to claim 2, wherein the large arm fixation mechanism further comprises a first locking component configured to lock the second arc portion on the first arc portion and release the second arc portion from the first arc portion when the second arc portion is in the covering position.
4. The traumatic orthopedic fixation device according to claim 3, wherein the first locking component comprises a fixing strip fixedly connected to the second arc portion and an L-shaped sliding rod slidably connected to the first arc portion, when the second arc portion is located at the covering position, the fixing strip is attached to the first arc portion, and the L-shaped sliding rod slides to block the fixing strip.
5. The fixation device for the traumatic orthopaedics department according to the claim 1, characterized in that the second locking assembly comprises four first locking units and a second locking unit, each first locking unit corresponds to each clamping piece one by one, the first locking unit comprises a first support rod, a first bolt is connected to the first support rod in a threaded mode, and the end part of the first bolt is in butt fit with one end, close to the hinge block, of the corresponding hinge rod;
for the clamping piece hinged with the first arc-shaped rod, the corresponding first supporting rod of the first locking unit is fixedly connected to the first arc-shaped rod;
for the clamping piece hinged with the second arc-shaped rod, the corresponding first supporting rod of the first locking unit is fixedly connected to the second arc-shaped rod;
each second locking unit comprises three third arc-shaped rods, one end of each third arc-shaped rod is provided with a sliding rod, when the locking mechanism is used, the four hinged rods are distributed annularly, one end, close to the wrist, of each hinged rod on the back side of the forearm is fixedly connected with a guide rod, one end of each third arc-shaped rod is connected with the guide rod in a sliding mode, the other end of each third arc-shaped rod is connected with the hinged rods on the two sides of the forearm in a sliding mode in a one-to-one correspondence mode through the sliding rods, and the guide rods are perpendicular to the sliding rods; the rest third arc-shaped rod is connected with one of the hinged rods positioned on the side surface of the small arm in a sliding mode through the sliding rod on the third arc-shaped rod, and the other end of the third arc-shaped rod is matched with the hinged rod positioned on the front surface of the small arm in a blocking mode through a blocking rod.
6. The fixation device for the traumatic orthopaedics department according to claim 1, wherein the second locking assembly comprises four third locking units, each third locking unit corresponds to each clamping piece in a one-to-one mode, each third locking unit comprises a second supporting rod, two second bolts are connected to the second supporting rod in a threaded connection mode, and the end portions of the two second bolts are in butt fit with the corresponding hinge rods;
for the clamping piece hinged with the first arc-shaped rod, the second support rod of the corresponding third locking unit is fixedly connected to the first arc-shaped rod;
for the clamping part hinged with the second arc-shaped rod, the second support rod of the corresponding third locking unit is fixedly connected to the second arc-shaped rod.
7. The traumatic orthopedic fixation device according to claim 1, wherein the locking mechanism comprises a first screw, a first nut, a second screw, a second nut and a connecting rod, the first screw is rotatably connected to the upper arm fixing mechanism, the first nut is in threaded connection with the first screw, the second screw is rotatably connected to the lower arm fixing mechanism, the second nut is in threaded connection with the first nut, and the connecting rod connects the first nut and the second nut; the first screw rod and the second screw rod are coaxial, the thread turning directions are opposite, and other parameters are consistent.
8. The traumatic orthopedic fixing device according to claim 7, wherein the connecting rod is rotatably connected to the first nut, one end of the connecting rod is fixedly connected with a ring, the ring is rotatably connected to the circumferential side of the first nut, the circumferential side of the ring is radially and threadedly connected with a third bolt, and the end of the third bolt abuts against the circumferential side of the first nut.
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| CN202110851901.1A CN113397793B (en) | 2021-07-27 | 2021-07-27 | Fixing device for traumatic orthopedics |
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| CN202110851901.1A CN113397793B (en) | 2021-07-27 | 2021-07-27 | Fixing device for traumatic orthopedics |
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| CN114099980A (en) * | 2021-11-28 | 2022-03-01 | 谢佳美 | Portable infrared irradiation instrument and system for accelerating healing of postoperative wound |
| CN114712062B (en) * | 2022-03-29 | 2023-10-27 | 李坚强 | Elastic fixer for four limbs fracture |
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| CN207532471U (en) * | 2017-05-27 | 2018-06-26 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Elbow joint external fixer |
| CN211067277U (en) * | 2019-10-29 | 2020-07-24 | 马小明 | Orthopedics fixing device that resets |
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| CN213406469U (en) * | 2020-07-09 | 2021-06-11 | 任心朋 | Orthopedic forearm clamp |
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| US9918864B2 (en) * | 2011-10-03 | 2018-03-20 | Breg, Inc. | Brace for correction of humeral fractures |
| CN112472523B (en) * | 2020-12-10 | 2024-05-10 | 清华大学 | Elbow joint exoskeleton rehabilitation training robot |
| CN113143567B (en) * | 2021-02-24 | 2022-07-29 | 汪文 | Limiting protection and rehabilitation device for patient restraint |
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| CN202960868U (en) * | 2012-11-29 | 2013-06-05 | 东莞永胜医疗制品有限公司 | Fixing and recovering device for humeral shaft fracture |
| CN207532471U (en) * | 2017-05-27 | 2018-06-26 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Elbow joint external fixer |
| CN211067277U (en) * | 2019-10-29 | 2020-07-24 | 马小明 | Orthopedics fixing device that resets |
| CN213047550U (en) * | 2020-05-26 | 2021-04-27 | 合肥腾皖假肢医疗用品有限公司 | Shoulder abduction brace |
| CN213406469U (en) * | 2020-07-09 | 2021-06-11 | 任心朋 | Orthopedic forearm clamp |
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