CN111529292A - Hexagonal position adjustment fracture reduction device - Google Patents
Hexagonal position adjustment fracture reduction device Download PDFInfo
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- CN111529292A CN111529292A CN202010328972.9A CN202010328972A CN111529292A CN 111529292 A CN111529292 A CN 111529292A CN 202010328972 A CN202010328972 A CN 202010328972A CN 111529292 A CN111529292 A CN 111529292A
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 74
- 238000009434 installation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 208000010392 Bone Fractures Diseases 0.000 abstract description 26
- 238000011084 recovery Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 206010017076 Fracture Diseases 0.000 description 19
- 239000000203 mixture Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000003414 extremity Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 208000008924 Femoral Fractures Diseases 0.000 description 1
- 208000002565 Open Fractures Diseases 0.000 description 1
- 208000006735 Periostitis Diseases 0.000 description 1
- 206010049514 Traumatic fracture Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000001804 debridement Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 231100000435 percutaneous penetration Toxicity 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/1245—Knees, upper or lower legs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/1205—Rests specially adapted therefor; Arrangements of patient-supporting surfaces for specific parts of the body
- A61G13/1235—Arms
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/128—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations
- A61G13/1285—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations having modular surface parts, e.g. being replaceable or turnable
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
- A61G13/128—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations
- A61G13/1295—Rests specially adapted therefor; Arrangements of patient-supporting surfaces with mechanical surface adaptations having alignment devices for the patient's body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2210/00—Devices for specific treatment or diagnosis
- A61G2210/10—Devices for specific treatment or diagnosis for orthopedics
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- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Heart & Thoracic Surgery (AREA)
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Abstract
A hexagonal position adjustment fracture reduction device relates to a fracture reduction device. The invention aims to solve the problems that the existing fracture reduction device is inaccurate in alignment due to poor flexibility, operation time is prolonged, labor intensity of doctors is increased, alignment precision is low, and recovery of patients is not facilitated. The near-end fixing seat and the far-end fixing seat are connected through a sliding guide rail, and the sliding seat is slidably arranged on the sliding guide rail between the near-end fixing seat and the far-end fixing seat; the near-end fixing seat and the far-end fixing seat are both arranged at the end part of the containing base; the near-end half ring assembly can be lifted and can be rotatably arranged on the near-end fixing seat, and the near-end half ring assembly can swing left and right; the sliding seat half ring component can be lifted and rotatably installed on the sliding seat, the sliding seat half ring component is a half ring component capable of swinging left and right, and the bone needle adjusting component is installed on the near-end half ring component and the sliding seat half ring component. The invention is used for assisting orthopedists in the reduction of long bone fracture.
Description
Technical Field
The invention relates to a fracture reduction device, in particular to a hexagonal position adjustment fracture reduction device, and belongs to the field of medical instruments.
Background
The reduction, fixation and later functional restoration of fracture are three major principles of fracture treatment. The reduction of the fracture is clinically divided into anatomical reduction and functional reduction, the reduction method is divided into manual reduction and incision reduction, and the later functional recovery is the main target of fracture rehabilitation treatment. From the perspective of internal fixation, although the stability of fixation is good, it requires high level of operation, and needs to cut muscle, tendon, open nerve and periosteum and fix the steel plate on the fracture part with screw, especially needs to assist the doctor to apply force to the lower limb femoral fracture, and maintains the stability and accurate traction reduction.
The existing fracture reduction device has the problems that the flexibility is poor, the alignment is inaccurate, the operation time is prolonged, the labor intensity of doctors is increased, the alignment precision is low, and the recovery of patients is not facilitated.
Disclosure of Invention
The invention aims to solve the problems that the existing fracture reduction device is inaccurate in alignment due to poor flexibility, operation time is prolonged, labor intensity of doctors is increased, alignment precision is low, and recovery of patients is not facilitated. Further provides a hexagonal position adjustment fracture reduction device.
The technical scheme of the invention is as follows: a hexagonal position adjustment fracture reduction device comprises a containing base, a near-end fixing base, a far-end fixing base, a sliding guide rail, a near-end semi-ring assembly, a far-end sliding base semi-ring assembly and two groups of bone pin adjusting assemblies, wherein the near-end fixing base and the far-end fixing base are arranged oppositely, the near-end fixing base and the far-end fixing base are connected through the sliding guide rail, and the sliding base is slidably arranged on the sliding guide rail between the near-end fixing base and the far-end fixing base; the near-end fixing seat and the far-end fixing seat are rotatably arranged at the end part of the containing base, and the near-end fixing seat or the far-end fixing seat can be obliquely arranged on the containing base upwards; the near-end half ring assembly can be lifted and rotatably arranged on the near-end fixing seat, the near-end half ring assembly can swing left and right, and the group of bone needle adjusting assemblies are arranged on the near-end half ring assembly; the bone needle adjusting assembly comprises two bone needle adjusting units which are oppositely arranged, the distance between the bone needle tips in the two bone needle adjusting units is adjustable in a telescopic mode, each bone needle adjusting unit comprises a bone needle support and two bone needles, the bone needle supports are mounted on the end portions of the near-end half ring assemblies, the bone needle tips of the two bone needles are mounted on the bone needle supports towards the circle centers of the near-end half ring assemblies, and the distance between the two bone needles can be adjusted in a transverse moving mode on the bone needle supports; the sliding seat half ring component can be lifted and rotatably arranged on the sliding seat, the sliding seat half ring component is a far-end half ring component capable of swinging left and right, and the other group of bone needle adjusting components are arranged on the sliding seat half ring component.
Further, accomodate the base and include rectangle pedestal, two and/or four angle modulation supports and a plurality of support pivot screws, two and/or four angle modulation supports rotate through a plurality of support pivot screws and install inboard in the four corners of rectangle pedestal.
Further, the structure of the near-end fixed seat is the same as that of the sliding seat; the near-end fixing base comprises a fixing block, a lifting adjusting hand wheel, a lifting screw rod, a left-right swinging support and two left-right swinging angle positioning screws, the fixing block is a rectangular block, the outer side wall of the width direction of the fixing block is an arc-shaped outer side wall, a hand wheel mounting hole is formed in the middle of the length direction of the fixing block, a cylindrical hole is formed in the height direction of the fixing block, the hand wheel mounting hole is communicated with the cylindrical hole, the lifting screw rod is vertically mounted in the cylindrical hole, the lifting adjusting hand wheel is mounted in the hand wheel mounting hole and connected with the lifting screw rod in a screwing mode, the left-right swinging support is covered on the upper end face of the fixing block, the lifting screw rod penetrates through the middle of the left-.
Furthermore, the far-end fixing base is a rectangular fixing base, a guide rail penetrating hole is formed in the far-end fixing base along the width direction of the far-end fixing base, a pre-tightening hole is formed in the outer side wall of the far-end fixing base in the width direction, and the pre-tightening hole is communicated with the guide rail penetrating hole.
Further, near-end semi-ring subassembly includes the arc connecting seat, the spacing frame of arc, semi-annular swing span and a plurality of spacing bolt, the arc connecting seat is installed on the horizontal hunting support, set up the spacing hole of rectangular shape on the lateral wall of the spacing frame of arc, the spacing frame of arc is installed on the arc connecting seat, but semi-annular swing span slidable mounting is on the spacing frame of arc, the sliding position of semi-annular swing span on the spacing frame of arc is installed the back through a plurality of spacing bolts and is pushed up and establish on the semi-annular swing span on the spacing hole of rectangular shape.
Further, sliding seat semi-ring subassembly includes the arc connecting seat, the spacing frame of arc, semi-annular swing span and a plurality of spacing bolt, the arc connecting seat is installed on the horizontal hunting support, set up the spacing hole of rectangular shape on the lateral wall of the spacing frame of arc, the spacing frame of arc is installed on the arc connecting seat, but semi-annular swing span slidable mounting is on the spacing frame of arc, the sliding position of semi-annular swing span on the spacing frame of arc is installed the back through a plurality of spacing bolts and is pushed up and establish on the semi-annular swing span on the spacing hole of rectangular shape.
Furthermore, the bone needle support comprises an upper support and a lower support, both the upper support and the lower support are strip-shaped supports, the upper support is provided with an upper groove along the length direction, and the upper groove is provided with an upper transverse movement adjusting hole along the length direction; the lower support is provided with a lower groove along the length direction, the lower part of the lower support is provided with a support mounting bulge, the support mounting bulge is provided with a threaded hole, and the included angle between the threaded hole and the horizontal plane is 15 degrees; a bone needle moving cavity is formed between the upper groove and the lower groove.
Further, the bone needle comprises a bone needle sleeve and a bone needle rod, and the bone needle rod is telescopically arranged at the end part of the bone needle sleeve.
Furthermore, the spicule comprises a spicule sleeve and an arc-shaped auxiliary plate, wherein an arc-shaped limiting groove is formed in the arc-shaped auxiliary plate along the bending direction of the arc-shaped auxiliary plate, the arc-shaped auxiliary plate is telescopically arranged at the end part of the spicule sleeve, and the installation angle of the arc-shaped auxiliary plate is adjusted by the aid of the installation position of the spicule sleeve on the arc-shaped limiting groove.
Furthermore, the counter further comprises a sliding seat moving pair, the sliding seat moving pair comprises a counter, a screw and a screwing handle, the screw is screwed and arranged on the far-end fixing seat and the sliding seat, the screwing handle is arranged at the end part of the screw outside the far-end fixing seat, and the counter is arranged on the screw outside the far-end fixing seat.
Compared with the prior art, the invention has the following effects:
1. the components of the reduction device can realize the adjustment of the hexagonal position and pose of the long bone under the mutual synergistic action, and under the condition of multidirectional freedom degree and flexible operation, the reduction device can effectively assist an orthopedist to adjust and align the fracture ends at multiple angles when performing a four-limb long bone fracture operation, and complete the internal fixation of a steel plate, the internal fixation of an intramedullary pin and the external fixation of the steel plate in the operation. The whole operation time is shortened, and the labor intensity of doctors is effectively reduced. After accurate counterpoint, the recovery of patient's postoperative of being convenient for prevents and has avoided because of the inaccurate circumstances such as bad sequelae that bring for the patient of counterpointing.
2. The restitution device can be tilted, and can be stored without tilting, so that the restitution device does not occupy space and influence use.
3. The near-end fixing seat 2, the far-end fixing seat 3, the sliding seat 4, the near-end half ring component 6, the far-end sliding seat half ring component 7 and the spicule adjusting component can respectively realize the following adjustable actions when the components work cooperatively: (1) the near-end fixing seat 2 or the far-end fixing seat 3 can be inclined upwards, and the angle of the upward inclination can be adjusted; (2) the near-end semi-ring component 6 or the far-end sliding seat semi-ring component 7 can realize lifting, rotating and left-right swinging, and the size of the actions can be adjusted; (3) the distance between the tips of the spicules is adjustable in a telescopic manner, the distance between the two spicules 8-2 can be adjusted in a transverse manner on the spicule bracket 8-1, and the size of the action can be adjusted; (4) the position of the sliding seat 4 on the sliding guide rail 5 is adjustable, and the fractured parts of the patient are spliced; thereby realizing flexible operation in the process of long bone fracture reduction.
4. The near-end half ring component 6 and the sliding seat half ring component 7 both adopt the openings of the semicircular rotating rings, so that the affected limbs of a patient can be conveniently placed, the patient only needs to directly place the arms or the legs on the reduction device of the invention, and the invention can be automatically operated by a computer if being matched with an external control system, thereby accurately correcting the displacement of the fracture, ensuring the fracture alignment line to be accurate, achieving the physiological anatomy reduction, shortening the operation treatment time and reducing the labor intensity of doctors.
5. The invention has simple structure, simple, convenient, accurate and quick reduction operation and relatively low technical requirement on operation, and is suitable for the fracture of long bones of limbs, in particular to open fracture and traumatic fracture. It can avoid main nerve, blood vessel and focus, and provide sufficient space for debridement.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of FIG. 1 from above;
FIG. 3 is a schematic cross-sectional view of the distal anchor block 3, the distal sliding block half-ring assembly 7 and the bone pin adjustment assembly;
FIG. 4 is a schematic cross-sectional view of the proximal anchor block 2, the proximal half ring assembly 6 and the bone pin adjustment assembly;
FIG. 5 is an isometric view of the lower bracket 8-1-2;
FIG. 6 is a front view of FIG. 5;
FIG. 7 is a front sectional view of FIG. 6;
FIG. 8 is an isometric view of the upper support 8-1-1.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 8, and the hexagonal position adjustment fracture reduction device of the present embodiment comprises a receiving base 1, a proximal fixing base 2, a distal fixing base 3, a sliding base 4, a sliding guide rail 5, a proximal half ring assembly 6, a distal sliding base half ring assembly 7 and two sets of bone needle adjustment assemblies,
the near-end fixing seat 2 and the far-end fixing seat 3 are oppositely arranged, the near-end fixing seat 2 and the far-end fixing seat 3 are connected through a sliding guide rail 5, and the sliding seat 4 is slidably mounted on the sliding guide rail 5 between the near-end fixing seat 2 and the far-end fixing seat 3;
the near-end fixing seat 2 and the far-end fixing seat 3 are rotatably arranged at the end part of the containing base 1, and the near-end fixing seat 2 or the far-end fixing seat 3 can be obliquely arranged on the containing base 1 upwards;
the near-end half ring component 6 can be lifted and rotatably arranged on the near-end fixing seat 2, the near-end half ring component 6 can swing left and right, and a group of bone needle adjusting components are arranged on the near-end half ring component 6;
the bone needle adjusting assembly comprises two bone needle adjusting units 8 which are oppositely arranged, the distance between the bone needle tips in the two bone needle adjusting units 8 is adjustable in a telescopic mode, each bone needle adjusting unit 8 comprises a bone needle support 8-1 and two bone needles 8-2, the bone needle supports 8-1 are installed on the end portion of the near-end half ring assembly 6, the bone needle tips of the two bone needles 8-2 are installed on the bone needle supports 8-1 towards the circle center of the near-end half ring assembly 6, and the distance between the two bone needles 8-2 can be adjusted in a transverse mode on the bone needle supports 8-1;
the sliding seat half ring component 7 can be lifted and rotatably arranged on the sliding seat 4, the sliding seat half ring component 7 can swing left and right, and the other group of spicule adjusting components are arranged on the sliding seat half ring component 7.
The embodiment aims to solve the problems of long clinical operation time, inaccurate alignment and lack of long bone reduction instruments of doctors, and can reduce the labor intensity of the doctors and lead the operation to be fine and simplified. Can realize bone setting, micro-wound, extension, reduction and external fixation, and assist orthopedic surgeons in finishing steel plate internal fixation, intramedullary needle internal fixation and steel plate external fixation in the operation.
The slide rail 5 of the present embodiment is two cylindrical rails. The structure is simple, and the sliding seat 4 can slide on the sliding seat in the horizontal direction conveniently.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 2, the receiving base 1 of the present embodiment includes a rectangular base body 1-1, two and/or four angle adjusting brackets 1-2, and a plurality of bracket rotating shaft screws 1-3, and the two and/or four angle adjusting brackets 1-2 are rotatably mounted inside four corners of the rectangular base body 1-1 through the plurality of bracket rotating shaft screws 1-3. Other components and connections are the same as in the first embodiment.
In practical use, the containing base 1 of the embodiment loosens the support rotating shaft screws 1-3, firstly determines the distance between the far end and the near end according to clinical requirements, then selects two and/or four positioning grooves with proper height of the angle adjusting supports 1-2, and locks the angle adjusting supports 1-2 and the near end sliding blocks by the support rotating shaft screws 1-3. The adjustable range of the included angle is 0-25 degrees.
The angle adjusting support 1-2 of the embodiment is provided with a plurality of clamping grooves, clamping shafts are arranged on two sides of a fixing block of the near-end fixing seat 2 or the far-end fixing seat 3, the clamping shafts are clamped in the clamping grooves according to the operation condition and locked by support rotating shaft screws 1-3, and the limiting of the inclination angle is realized.
The third concrete implementation mode: the embodiment is described with reference to fig. 2 to 4, and the proximal end fixing seat 2 and the sliding seat 4 of the embodiment have the same structure;
wherein the near-end fixing seat 2 comprises a fixing block 2-1, a lifting adjusting hand wheel 2-2, a lifting screw rod 2-3, a left-right swinging bracket 2-4 and two left-right swinging angle positioning screws 2-5,
the fixed block 2-1 is a rectangular block, the outer side wall of the fixed block 2-1 in the width direction is an arc outer side wall, the middle part of the fixed block 2-1 in the length direction is provided with a hand wheel mounting hole 2-1-1, the fixed block 2-1 in the height direction is provided with a cylindrical hole 2-1-2, the hand wheel mounting hole 2-1-1 is communicated with the cylindrical hole 2-1-2, a lifting screw rod 2-3 is vertically arranged in the cylindrical hole 2-1-2, a lifting adjusting hand wheel 2-2 is arranged in the hand wheel mounting hole 2-1-1 and is connected with the lifting screw rod 2-3 in a screwing manner, a left and right swinging support 2-4 is covered on the upper end surface of the fixed block 2-1, and the lifting screw rod 2-3 passes through the middle part of the, the two ends of the left-right swinging bracket 2-4 are fixed with swinging angles through two left-right swinging angle positioning screws 2-5. Other compositions and connections are the same as in the first or second embodiments.
The proximal anchor block 2 and the sliding block 4 of this embodiment provide the proximal half ring assembly 6 and the sliding block half ring assembly 7 with freedom to move up and down and swing left and right.
The fourth concrete implementation mode: referring to fig. 3 to 4, the distal fixing base 3 of the present embodiment is a rectangular fixing base, the distal fixing base 3 is provided with a guide rail through hole 3-1 along the width direction thereof, and a pre-tightening hole 3-2 is provided on the outer side wall of the distal fixing base 3 in the width direction, and the pre-tightening hole 3-2 is communicated with the guide rail through hole 3-1. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The pre-tightening hole 3-2 is communicated with the guide rail through hole 3-1, so that space and convenience are provided for the sliding guide rail 5 to penetrate, and then the sliding guide rail 5 is fixedly locked through the pre-tightening hole 3-2.
The fifth concrete implementation mode: referring to fig. 1 and 3 to 4, the embodiment is described, the proximal half ring assembly 6 of the embodiment includes an arc-shaped connecting seat 6-5, an arc-shaped limiting frame 6-6, a semi-annular swing frame 6-7 and a plurality of limiting bolts 6-4, the arc-shaped connecting seat 6-5 is mounted on the left and right swing frames 2-4, a long strip-shaped limiting hole 6-6-1 is formed on the side wall of the arc-shaped limiting frame 6-6, the arc-shaped limiting frame 6-6 is mounted on the arc-shaped connecting seat 6-5, the semi-annular swing frame 6-7 is slidably mounted on the arc-shaped limiting frame 6-6, the sliding position of the semi-annular swing frame 6-7 on the arc-shaped limiting frame 6-6 is arranged on the elongated limiting hole 6-6-1 through a plurality of limiting bolts 6-4 and then is propped on the semi-annular swing frame 6-7. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
The sixth specific implementation mode: referring to fig. 1 and 3 to 4, the sliding seat half ring assembly 7 of the present embodiment includes an arc-shaped connecting seat 6-5, an arc-shaped limiting frame 6-6, a semi-annular swing frame 6-7 and a plurality of limiting bolts 6-4,
the arc-shaped connecting seat 6-5 is arranged on the left and right swinging supports 2-4, the side wall of the arc-shaped limiting frame 6-6 is provided with a long-strip-shaped limiting hole 6-6-1, the arc-shaped limiting frame 6-6 is arranged on the arc-shaped connecting seat 6-5, the semi-annular swinging frame 6-7 can be slidably arranged on the arc-shaped limiting frame 6-6, and the sliding position of the semi-annular swinging frame 6-7 on the arc-shaped limiting frame 6-6 is arranged on the long-strip-shaped limiting hole 6-6-1 through a plurality of limiting bolts 6-4 and then is propped against the semi-annular swinging frame 6-7. Other compositions and connection relationships are the same as in the first, second, third, fourth or fifth embodiment.
The proximal half ring assembly 6 or the sliding seat half ring assembly 7 of the present embodiment can achieve a flexible degree of freedom in lateral swinging.
The sliding seat half ring assembly 7 of the present embodiment can also be moved along the sliding guide rail by rotating the pull screw handle 11 by the sliding seat moving pair, and the amount of movement is displayed by the counter. The adjustment of the longitudinal swing angle can also be realized by the differential adjustment of the height of the sliding seat half ring component 7.
The seventh embodiment: referring to fig. 1 to 8, the spicule holder 8-1 of the present embodiment includes an upper holder 8-1-1 and a lower holder 8-1-2, both the upper holder 8-1-1 and the lower holder 8-1-2 are elongated holders,
an upper groove 8-1-1-b is formed in the upper support 8-1-1 along the length direction, and an upper transverse adjusting hole 8-1-1-a is formed in the upper groove 8-1-1-b along the length direction;
the lower support 8-1-2 is provided with a lower groove 8-1-2-b along the length direction, the lower part of the lower support 8-1-2 is provided with a support mounting bulge 8-1-2-a, the support mounting bulge 8-1-2-a is provided with a threaded hole 8-1-2-c, and the included angle between the threaded hole 8-1-2-c and the horizontal plane is 15 degrees;
a bone needle moving cavity is formed between the upper groove 8-1-1-b and the lower groove 8-1-2-b. Other compositions and connection relationships are the same as in the first, second, third, fourth, fifth or sixth embodiment.
The spicule bracket 8-1 of the embodiment can be strip-shaped brackets with different lengths in practical use, so that the length of the bracket can be directly selected according to the actual operation requirement.
The bone needle moving cavity in the bone needle support 8-1 of the embodiment is convenient for two bone needles to directly adjust the distance, and the adjustment is simple and convenient.
The specific implementation mode is eight: referring to fig. 5 to 8, the needle 8-2 of the present embodiment includes a needle sheath 8-2-1 and a needle rod 8-2-2, and the needle rod 8-2-2 is telescopically mounted at an end of the needle sheath 8-2-1.
Other compositions and connection relationships are the same as those of embodiment one, two, three, four, five, six or seven.
The specific implementation method nine: the embodiment is described with reference to fig. 1, 2 and 4, the spicule 8-2 of the embodiment comprises a spicule sheath 8-2-1 and an arc auxiliary plate 8-2-3, the arc auxiliary plate 8-2-3 is provided with an arc limiting groove 8-2-4 along the bending direction, the arc auxiliary plate 8-2-3 is telescopically arranged at the end part of the spicule sheath 8-2-1, and the arc auxiliary plate 8-2-3 adjusts the installation angle of the arc auxiliary plate 8-2-3 through the installation position of the spicule sheath 8-2-1 on the arc limiting groove 8-2-4. Other compositions and connection relationships are the same as those in the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The spicule of this embodiment has two kinds of structural style, and one kind is integral type spicule, can directly use, also can realize flexible function. The other one is provided with an arc auxiliary plate 8-2-3, which is convenient for being attached to the affected part of a patient and is beneficial to the smooth operation.
The detailed implementation mode is ten: the embodiment is described with reference to fig. 1 to 2, and further includes a sliding seat moving pair, where the sliding seat moving pair includes a counter 9, a screw 10 and a screwing handle 11, the screw 10 is screwed and inserted into the distal end fixing seat 3 and the sliding seat 4, the screwing handle 11 is installed at an end of the screw 10 outside the distal end fixing seat 3, and the counter 9 is installed on the screw 10 outside the distal end fixing seat 3. Other compositions and connection relationships are the same as those of embodiment one, two, three, four, five, six, seven, eight or nine.
This embodiment facilitates accurate displacement of the sliding seat.
The working process of the invention is as follows:
the fracture end is connected with two or four longitudinal bone nail adjusting frames through the percutaneous penetration of the metal thread bone nails, the metal thread bone nails are fixed, and the fracture end is aligned, fixed, pressurized or pulled by matching with the near-end semi-annular bracket and the sliding seat semi-annular bracket. The invention relates to an in-vitro long bone adjusting and resetting device which is used for assisting an orthopedic doctor in multi-angle adjustment, accurate alignment and fixation during a long bone fracture operation.
Claims (10)
1. A hexagonal position adjustment fracture reduction device is characterized in that: it comprises a receiving base (1), a near-end fixing base (2), a far-end fixing base (3), a sliding base (4), a sliding guide rail (5), a near-end semi-ring component (6), a sliding base semi-ring component (7) and two groups of spicule adjusting components,
the near-end fixing seat (2) and the far-end fixing seat (3) are arranged oppositely, the near-end fixing seat (2) and the far-end fixing seat (3) are connected through a sliding guide rail (5), and the sliding seat (4) is slidably mounted on the sliding guide rail (5) between the near-end fixing seat (2) and the far-end fixing seat (3);
the near-end fixing seat (2) and the far-end fixing seat (3) are rotatably arranged at the end part of the containing base (1), and the near-end fixing seat (2) or the far-end fixing seat (3) can be obliquely arranged on the containing base (1) upwards;
the near-end half ring component (6) can be lifted and rotatably arranged on the near-end fixing seat (2), the near-end half ring component (6) can swing left and right, and a group of bone needle adjusting components are arranged on the near-end half ring component (6);
the bone needle adjusting assembly comprises two bone needle adjusting units (8) which are oppositely arranged, the distance between the bone needle tips in the two bone needle adjusting units (8) is adjustable in a telescopic mode, each bone needle adjusting unit (8) comprises a bone needle support (8-1) and two bone needles (8-2), the bone needle supports (8-1) are installed on the end portion of the near-end semi-ring assembly (6), the bone needle tips of the two bone needles (8-2) are installed on the bone needle supports (8-1) towards the circle center of the near-end semi-ring assembly (6), and the distance between the two bone needles (8-2) can be adjusted in a transverse mode on the bone needle supports (8-1);
the sliding seat half ring component (7) can be lifted and rotatably arranged on the sliding seat (4), the sliding seat half ring component (7) can swing left and right, and the other group of bone needle adjusting components are arranged on the sliding seat half ring component (7).
2. The hexagonal-position-adjustment fracture reduction device according to claim 1, characterized in that: the storage base (1) comprises a rectangular base body (1-1), two and/or four angle adjusting supports (1-2) and a plurality of support rotating shaft screws (1-3), wherein the two and/or four angle adjusting supports (1-2) are rotatably arranged on the inner sides of four corners of the rectangular base body (1-1) through the plurality of support rotating shaft screws (1-3).
3. The hexagonal-position-adjustment fracture reduction device according to claim 2, characterized in that: the near-end fixed seat (2) and the sliding seat (4) have the same structure;
wherein the near-end fixing seat (2) comprises a fixing block (2-1), a lifting adjusting hand wheel (2-2), a lifting screw rod (2-3), a left-right swinging bracket (2-4) and two left-right swinging angle positioning screws (2-5),
the fixed block (2-1) is a rectangular block, the outer side wall of the fixed block (2-1) in the width direction is an arc outer side wall, the middle part of the fixed block (2-1) in the length direction is provided with a hand wheel mounting hole (2-1-1), the fixed block (2-1) in the height direction is provided with a cylindrical hole (2-1-2), the hand wheel mounting hole (2-1-1) is communicated with the cylindrical hole (2-1-2), the lifting screw rod (2-3) is vertically arranged in the cylindrical hole (2-1-2), the lifting adjusting hand wheel (2-2) is arranged in the hand wheel mounting hole (2-1-1) and is connected with the lifting screw rod (2-3) in a screwing manner, the left and right swinging support (2-4) is covered on the upper end face of the fixed block (2-1), and the lifting screw rod (2-3) passes through the middle part of the left and right swing support (2-4), and the two ends of the left and right swing support (2-4) fix the swing angle through two left and right swing angle positioning screws (2-5).
4. A six-orientation adjustment fracture reduction device according to claim 3, wherein: the far-end fixing seat (3) is a rectangular fixing seat, a guide rail penetrating hole (3-1) is formed in the far-end fixing seat (3) along the width direction of the far-end fixing seat, a pre-tightening hole (3-2) is formed in the outer side wall of the far-end fixing seat (3) in the width direction of the far-end fixing seat, and the pre-tightening hole (3-2) is communicated with the guide rail penetrating hole (3-1).
5. A hexagonal position adjustment fracture reduction device according to claim 1 or 4, characterized in that: the near-end half ring component (6) comprises an arc-shaped connecting seat (6-5), an arc-shaped limiting frame (6-6), a semi-annular swinging frame (6-7) and a plurality of limiting bolts (6-4),
the arc-shaped connecting seat (6-5) is installed on the left and right swing support (2-4), the side wall of the arc-shaped limiting frame (6-6) is provided with a long-strip-shaped limiting hole (6-6-1), the arc-shaped limiting frame (6-6) is installed on the arc-shaped connecting seat (6-5), the semi-annular swing frame (6-7) can be installed on the arc-shaped limiting frame (6-6) in a sliding mode, the sliding position of the semi-annular swing frame (6-7) on the arc-shaped limiting frame (6-6) is installed on the long-strip-shaped limiting hole (6-6-1) through a plurality of limiting bolts (6-4) and then abuts against the semi-annular swing frame (6-7).
6. The hexagonal-position-adjustment fracture reduction device according to claim 5, characterized in that: the sliding seat semi-ring component (7) comprises an arc-shaped connecting seat (6-5), an arc-shaped limiting frame (6-6), a semi-annular swing frame (6-7) and a plurality of limiting bolts (6-4),
the arc-shaped connecting seat (6-5) is installed on the left and right swing support (2-4), the side wall of the arc-shaped limiting frame (6-6) is provided with a long-strip-shaped limiting hole (6-6-1), the arc-shaped limiting frame (6-6) is installed on the arc-shaped connecting seat (6-5), the semi-annular swing frame (6-7) can be installed on the arc-shaped limiting frame (6-6) in a sliding mode, the sliding position of the semi-annular swing frame (6-7) on the arc-shaped limiting frame (6-6) is installed on the long-strip-shaped limiting hole (6-6-1) through a plurality of limiting bolts (6-4) and then abuts against the semi-annular swing frame (6-7).
7. The hexagonal-position-adjustment fracture reduction device according to claim 6, wherein: the spicule bracket (8-1) comprises an upper bracket (8-1-1) and a lower bracket (8-1-2), the upper bracket (8-1-1) and the lower bracket (8-1-2) are both strip-shaped brackets,
an upper groove (8-1-1-b) is formed in the upper support (8-1-1) along the length direction, and an upper transverse adjusting hole (8-1-1-a) is formed in the upper groove (8-1-1-b) along the length direction;
a lower groove (8-1-2-b) is formed in the lower support (8-1-2) along the length direction, a support mounting protrusion (8-1-2-a) is arranged on the lower portion of the lower support (8-1-2), a threaded hole (8-1-2-c) is formed in the support mounting protrusion (8-1-2-a), and the included angle between the threaded hole (8-1-2-c) and the horizontal plane is 15 degrees;
a bone needle moving cavity is formed between the upper groove (8-1-1-b) and the lower groove (8-1-2-b).
8. A hexagonal adjustment fracture reduction device according to claim 1 or 7, wherein: the bone needle (8-2) comprises a bone needle sleeve (8-2-1) and a bone needle rod (8-2-2), and the bone needle rod (8-2-2) is telescopically arranged at the end part of the bone needle sleeve (8-2-1).
9. A hexagonal adjustment fracture reduction device according to claim 1 or 7, wherein: the spicule (8-2) comprises a spicule sleeve (8-2-1) and an arc-shaped auxiliary plate (8-2-3), the arc-shaped auxiliary plate (8-2-3) is provided with an arc-shaped limiting groove (8-2-4) along the bending direction of the arc-shaped auxiliary plate, the arc-shaped auxiliary plate (8-2-3) is telescopically arranged at the end part of the spicule sleeve (8-2-1), and the arc-shaped auxiliary plate (8-2-3) adjusts the installation angle of the arc-shaped auxiliary plate (8-2-3) through the installation position of the spicule sleeve (8-2-1) on the arc-shaped limiting groove (8-2-4).
10. The hexagonal-position-adjustment fracture reduction device according to claim 9, wherein: it still includes the sliding seat and removes vice, and the sliding seat removes vice including counter (9), screw rod (10) and revolves wrong handle (11), and screw rod (10) are revolved to twist and are worn to establish on distal end fixing base (3) and sliding seat (4), revolve and revolve wrong handle (11) and install screw rod (10) tip in distal end fixing base (3) outside, and counter (9) are installed on screw rod (10) in distal end fixing base (3) outside.
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| CN202010328972.9A CN111529292B (en) | 2020-04-23 | 2020-04-23 | Hexagonal position adjustment fracture reduction device |
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| CN202010328972.9A CN111529292B (en) | 2020-04-23 | 2020-04-23 | Hexagonal position adjustment fracture reduction device |
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| CN111529292B CN111529292B (en) | 2021-11-16 |
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| CN111956441A (en) * | 2020-08-28 | 2020-11-20 | 北京和华瑞博医疗科技有限公司 | Leg support device |
| CN113729896A (en) * | 2021-09-09 | 2021-12-03 | 李春蜜 | Bone fracture repairing support for orthopedics department |
| CN114631971A (en) * | 2022-03-12 | 2022-06-17 | 杜春希 | Clinical support that shifts |
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| CN113729896A (en) * | 2021-09-09 | 2021-12-03 | 李春蜜 | Bone fracture repairing support for orthopedics department |
| CN114631971A (en) * | 2022-03-12 | 2022-06-17 | 杜春希 | Clinical support that shifts |
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