CN109199556B - Eccentric single-arm bone traction device - Google Patents
Eccentric single-arm bone traction device Download PDFInfo
- Publication number
- CN109199556B CN109199556B CN201811192744.2A CN201811192744A CN109199556B CN 109199556 B CN109199556 B CN 109199556B CN 201811192744 A CN201811192744 A CN 201811192744A CN 109199556 B CN109199556 B CN 109199556B
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- traction
- rod
- arc
- telescopic
- frame
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like 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, e.g. tourniquets
- 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, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6425—Devices extending alongside the bones to be positioned specially adapted to be fitted across a bone joint
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The application provides an eccentric single-arm bone traction device which comprises a telescopic traction rod, wherein the telescopic traction rod is a single-rod traction frame with adjustable length, and a traction needle fixing frame and a pelvis traction forceps are fixedly connected to two ends of the telescopic traction rod respectively. In order to solve current fracture and reset and correct the treatment, need often utilize the tractor to carry out traction treatment to fracture department, current traction tool structure is comparatively complicated, complex operation, and structural design is unreasonable, and tool major structure can cause blocking to the affected part film shooting, is difficult to realize synchronous traction when dragging, result of use is relatively poor. The application belongs to the field of orthopedics traction.
Description
Technical Field
The application relates to an eccentric single-arm bone traction device, and belongs to the field of orthopedic treatment.
Background
At present, in the current fracture correction and the treatment of reseing, need often utilize the tractor to carry out traction treatment to fracture department, current traction tool structure is comparatively complicated, complex operation, and structural design is unreasonable, and tool main body structure can cause blocking to operation and radiation film shooting in the art, has prolonged operation time, increases the hemorrhagic volume, has increased operating procedure, influences definition and quality of film shooting, and clinical result of use is relatively poor.
Disclosure of Invention
The application aims at: an eccentric single-arm bone traction device is provided to solve the problems existing in the existing orthopaedics traction tool.
In order to solve the problems, the eccentric single-arm bone traction device comprises a telescopic traction rod, wherein the telescopic traction rod is a single-rod traction device with adjustable length, and the two ends of the telescopic traction rod are respectively and fixedly connected with a traction needle fixing frame or the two ends of the telescopic traction rod are respectively and fixedly connected with a traction needle fixing frame and a pelvis traction forceps.
Among the aforesaid eccentric single armed bone draw gear, telescopic handle includes telescopic tube, put sleeve pipe and threaded rod, and the guiding hole has been seted up along length direction to telescopic tube's one end, put sleeve pipe's one end and stretch into telescopic tube's guiding hole, and telescopic tube and put sheathed tube junction cover and be equipped with locking knob, realize telescopic tube and put sheathed tube fixed connection through locking knob, telescopic tube and put the connected structure between two members in the telescopic handle and the structure of locking knob are the same in the current telescopic mop pole, see application number 2015210118955 in detail, the preceding patent application of name for spiral screw thread fixed type telescopic handle, put the screw hole has been seted up along length direction on the telescopic tube's the other end in, the screw hole on the central sleeve pipe is located soon to the one end of threaded rod, the other end of threaded rod is fixed with actuating mechanism.
In the eccentric single-arm bone traction device, the driving mechanism comprises a gear box and a driving rod, the driving rod extends into the gear box of the driving mechanism along the direction perpendicular to the threaded rod, the driving rod in the gear box of the driving mechanism is of a worm structure, the other end of the threaded rod is fixedly provided with a turbine structure, and the turbine structure and the worm structure form a turbine-worm mechanism in the gear box respectively.
In the eccentric single-arm bone traction device, the traction needle fixing frame comprises an L-shaped connecting frame, a first arc-shaped frame, a second arc-shaped frame, a base and a regulating and controlling threaded rod, wherein traction needle fixing holes for fixing traction needles are formed in the first arc-shaped frame and the second arc-shaped frame, the traction needle fixing holes are arc-shaped holes, the base is fixedly connected with a gear box of a driving mechanism, the vertex angle of the L-shaped connecting frame is fixed on the base, two ends of the first arc-shaped frame are respectively fixedly connected with two ends of the L-shaped connecting frame, preferably, the first arc-shaped frame and the L-shaped connecting frame are of an integrated structure, one end of the second arc-shaped frame extends to the vertex angle of the L-shaped connecting frame, the middle part of the second arc-shaped frame is hinged with one end of the L-shaped connecting frame, a threaded rod base with a threaded hole is fixed at the other end of the L-shaped connecting frame, one end of the regulating and controlling threaded rod is hinged with one end of the second arc-shaped frame, the fixed connection mode is preferably welded, the structure is adopted, the first arc-shaped frame and the second arc-shaped frame are attached to the arc-shaped frame, and the special arc-shaped frame can be fixed on the arc-shaped needle frame and the arc-shaped frame when being fixed on the arc-shaped frame.
In the eccentric single-arm bone traction device, the first arc-shaped frame and the second arc-shaped frame are strip-shaped steel plates, the inner surfaces of the first arc-shaped frame and the second arc-shaped frame are smooth curved surfaces, the bionic design is adopted here, the matching of the affected limbs of a patient and the fixing of the affected limbs is guaranteed, and the operation space and the mechanical structure are further optimized.
In the eccentric single-arm bone traction device, the traction needle fixing holes on the first arc-shaped frame and the second arc-shaped frame are bar-shaped holes formed along the respective arc length directions.
In the eccentric single-arm bone traction device, the pelvis traction forceps comprise a forceps body and a forceps handle fixing part, one end of the forceps handle fixing part is fixedly connected with the telescopic sleeve, the forceps body is fixed on the forceps handle fixing part, and the forceps body is used for clamping the pelvis.
In the eccentric single-arm bone traction device, one end of the clamp handle fixing part is sleeved on the other end of the telescopic tube, the other end of the clamp handle fixing part is provided with two parallel connecting rods, gaps are reserved between the two connecting rods, one end of one connecting rod is hinged, a screw rod is vertically fixed on the other end of the other connecting rod, a threaded hole is formed in the other connecting rod, the screw rod penetrates through the threaded hole, a nut is screwed on the screw rod outside the threaded hole, one clamp handle of the clamp body is clamped and fixed between the two connecting rods, the surface of the clamp handle is rough, and the specific structure of the clamp body is referred to by the inventor as an orthopaedics bone cutting tool and a using method thereof, and the application number is 2017102208648 in the prior application.
Compared with the prior art, the application adopts a single guide rod for traction, and the structure and operation of the device are more optimized; the single guide rod eccentric structure is used for carrying out structure optimization design, avoiding an operation area in operation and being outside an X-ray perspective area, so that the operation and X-rays are not easy to block; the radiation can be further reduced, when the existing traction device is used for throwing X-rays to a patient, an assistant is needed to assist in a radiation area, so that an operator is exposed in a radiation range, the auxiliary assistant is not needed after the device is installed, the operator can withdraw, and the radiation to the operator is avoided; when the device is used, one end of the device is fixed at the far end of a thigh, the other end of the device is fixed at the ilium spine of the pelvic bone, and a fine traction needle and a minimally invasive pelvic traction device are adopted, so that a better traction and resetting effect is realized on the premise of minimally invasive and structural optimization; the traction needle fixing frame of the device has ingenious structural design, is simple and more practical, can adjust the size of the arc-shaped groove and the tension of the traction needle according to the thickness of the patient's affected limb, can finish the traction fixation of the pelvis by only 5mm wound after the percutaneous implantation of the pelvis traction forceps, further reduces the wound, and is more convenient and faster to use; the device is integrally designed into a modularized design, and all the modules at all parts can be assembled and disassembled at will, so that the requirements of rapid assembly in operation, rapid disassembly after operation and independent sterilization of the sub-modules are met, the operation steps are further simplified, and the operation time is saved.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present application;
FIG. 2 is a cross-sectional view of the drive mechanism;
FIG. 3 is a schematic view of the structure of the traction needle mount;
fig. 4 is a schematic perspective view of embodiment 2 of the present application.
Detailed Description
For the purpose of promoting an understanding of the principles of the application, reference will now be made in detail to the embodiments described herein, including examples, illustrated in the accompanying drawings.
The eccentric single-arm bone traction device can only meet the application requirements of single-side limbs, and can be used for presenting drawing images and processing the drawing images in pairs during processing. The illustrations provided in embodiments 1 and 2 of this patent are directed to an eccentric single-arm bone traction device for right-side limb traction, and after mirror image processing (paired processing), the device can be used for left-side limb traction to achieve traction applicable to bilateral limb traction respectively.
Example 1:
referring to fig. 1 to 3, the present embodiment provides an eccentric single-arm bone traction device suitable for femur-related fracture, which comprises a telescopic traction rod 1, wherein the telescopic traction rod 1 is a single-rod traction device with adjustable length, and two ends of the telescopic traction rod 1 are respectively and fixedly connected with a traction needle fixing frame 2 and a pelvis traction forceps 3.
The telescopic traction rod 1 comprises a telescopic sleeve 11, a middle sleeve 15 and a threaded rod 12, wherein a guide hole is formed in one end of the telescopic sleeve 11 along the length direction, one end of the middle sleeve 15 extends into the guide hole of the telescopic sleeve 11, a locking knob 14 is sleeved at the joint of the telescopic sleeve 11 and the middle sleeve 15, the telescopic sleeve 11 and the middle sleeve 15 are fixedly connected through the locking knob 14, the connection mode between the telescopic sleeve 11 and the middle sleeve 15 and the connection structure between the locking knob 14 and two rods in the traditional telescopic mop rod are identical, the detailed application number is 2015210118955, a threaded hole is formed in the other end of the middle sleeve 15 along the length direction, one end of the threaded rod 12 is rotatably arranged in the threaded hole in the middle sleeve 15, and a driving mechanism 13 is fixed at the other end of the threaded rod 15. The driving mechanism 13 comprises a gear box 131 and a driving rod 132, the driving rod 132 extends into the gear box 131 of the driving mechanism 13 along the direction perpendicular to the threaded rod 12, the driving rod 132 in the gear box 131 of the driving mechanism 13 is a worm structure 133, the other end of the threaded rod 12 is fixedly provided with a turbine structure 134, and the turbine structure 134 and the worm structure 133 respectively form a turbine worm mechanism in the gear box 131.
The traction needle mount 2 includes "L" link 21, first arc frame 22, second arc frame 23, base 24 and regulation and control threaded rod 27, first arc frame 22 and second arc frame 23 are bar steel sheet, and the internal surface of first arc frame 22 and second arc frame 23 is smooth curved surface, the comfort level when guaranteeing patient's shank and contact with it, avoid fish tail patient's shank, the traction needle fixed orifices 26 that are used for fixed traction needle have all been seted up on first arc frame 22 and the second arc frame 23, and the traction needle fixed orifices 26 on first arc frame 22 and the second arc frame 23 are the bar hole of seting up along respective arc length direction, base 24 and the apex angle department of actuating mechanism 13 is fixed in on base 24, the both ends of first arc frame 22 are respectively with the both ends fixed connection of "L" link 21, preferably, first arc frame 22 and "L" link 21 are integrated into one piece structure, the one end of second arc frame 23 stretches to the traction needle fixed orifices 26 of "L" link 21, the tip angle department is fixed in the arc of second arc frame 21 and the arc frame 25 is located at the middle part of the arc of second arc frame 21, the arc is fixed in the arc base 25, the arc is fixed in the arc of arc base 25 and the arc of arc frame with the other tip of arc frame, the tip angle of arc frame is fixed connection of arc frame 25.
The pelvis traction forceps 3 comprise a forceps body 31 and a forceps handle fixing part 32, one end of the forceps handle fixing part 32 is fixedly connected with the telescopic tube 11, the forceps body 31 is fixed on the forceps handle fixing part 32, the forceps body 31 is used for clamping a pelvic bone, one end of the forceps handle fixing part 32 is sleeved on the other end of the telescopic tube 11, the other end of the forceps handle fixing part 32 is provided with two connecting rods 321 which are arranged in parallel and are reserved with gaps, one ends of the two connecting rods 321 are hinged, a screw 322 is vertically fixed on the other end of one connecting rod 321, a threaded hole is formed in the other connecting rod 321, the screw 322 penetrates through the threaded hole, and a gap is reserved between the two connecting rods 321A nut 323 is screwed on the screw 322 at the outer side of the threaded hole, one of the clamp handles of the clamp body 31 is clamped and fixed between the two connecting rods 321, the surface of the clamp handle is rough, the specific structure of the clamp body 31 is referred to by the patent name of the inventor as an orthopaedics osteotomy tool and the application number thereof is that2017102208648Is disclosed in the prior application of (a).
Example 2:
referring to fig. 2 to 4, the present embodiment provides an eccentric single-arm bone traction device suitable for tibia and humerus level ulna-radius related fracture, which comprises a telescopic traction rod 1, wherein the telescopic traction rod 1 is a single-rod traction device with adjustable length, and two ends of the telescopic traction rod 1 are respectively and fixedly connected with a traction needle fixing frame 2.
The telescopic traction rod 1 comprises a telescopic sleeve 11, a middle sleeve 15 and a threaded rod 12, wherein a guide hole is formed in one end of the telescopic sleeve 11 along the length direction, one end of the middle sleeve 15 extends into the guide hole of the telescopic sleeve 11, a locking knob 14 is sleeved at the joint of the telescopic sleeve 11 and the middle sleeve 15, the telescopic sleeve 11 and the middle sleeve 15 are fixedly connected through the locking knob 14, the connection mode between the telescopic sleeve 11 and the middle sleeve 15 and the connection structure between the locking knob 14 and two rods in the traditional telescopic mop rod are identical, the detailed application number is 2015210118955, a threaded hole is formed in the other end of the middle sleeve 15 along the length direction, one end of the threaded rod 12 is rotatably arranged in the threaded hole in the middle sleeve 15, and a driving mechanism 13 is fixed at the other end of the threaded rod 15. The driving mechanism 13 comprises a gear box 131 and a driving rod 132, the driving rod 132 extends into the gear box 131 of the driving mechanism 13 along the direction perpendicular to the threaded rod 12, the driving rod 132 in the gear box 131 of the driving mechanism 13 is a worm structure 133, the other end of the threaded rod 12 is fixedly provided with a turbine structure 134, and the turbine structure 134 and the worm structure 133 respectively form a turbine worm mechanism in the gear box 131.
The traction needle mount 2 includes "L" link 21, first arc frame 22, second arc frame 23, base 24 and regulation and control threaded rod 27, first arc frame 22 and second arc frame 23 are bar steel sheet, and the internal surface of first arc frame 22 and second arc frame 23 is smooth curved surface, the comfort level when guaranteeing patient's shank and contact with it, avoid fish tail patient's shank, the traction needle fixed orifices 26 that are used for fixed traction needle have all been seted up on first arc frame 22 and the second arc frame 23, and the traction needle fixed orifices 26 on first arc frame 22 and the second arc frame 23 are the bar hole of seting up along respective arc length direction, base 24 and the apex angle department of actuating mechanism 13 is fixed in on base 24, the both ends of first arc frame 22 are respectively with the both ends fixed connection of "L" link 21, preferably, first arc frame 22 and "L" link 21 are integrated into one piece structure, the one end of second arc frame 23 stretches to the traction needle fixed orifices 26 of "L" link 21, the tip angle department is fixed in the arc of second arc frame 21 and the arc frame 25 is located at the middle part of the arc of second arc frame 21, the arc is fixed in the arc base 25, the arc is fixed in the arc of arc base 25 and the arc of arc frame with the other tip of arc frame, the tip angle of arc frame is fixed connection of arc frame 25.
The pelvis traction forceps 3 comprise a forceps body 31 and a forceps handle fixing part 32, one end of the forceps handle fixing part 32 is fixedly connected with the telescopic tube 11, the forceps body 31 is fixed on the forceps handle fixing part 32, the forceps body 31 is used for clamping a pelvic bone, one end of the forceps handle fixing part 32 is sleeved on the other end of the telescopic tube 11, the other end of the forceps handle fixing part 32 is provided with two parallel connecting rods 321 with gaps reserved between the two connecting rods, one end of each connecting rod 321 is hinged, a screw 322 is vertically fixed on the other end of one connecting rod 321, a threaded hole is formed in the other connecting rod 321, the screw 322 penetrates through the threaded hole, a nut 323 is screwed on the screw 322 outside the threaded hole, one forceps handle of the forceps body 31 is clamped and fixed between the two connecting rods 321, the forceps handle is rough in surface, and the specific structure of the forceps body 31 is referred to as an orthopaedics osteotomy tool and a using method of the inventor, and a prior application of the application number 2017102208648.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (8)
1. An eccentric single-arm bone traction device is characterized in that: the traction device comprises a telescopic traction rod (1), wherein the telescopic traction rod (1) is a single-rod traction device with adjustable length, two ends of the telescopic traction rod (1) are respectively and fixedly connected with a traction needle fixing frame (2), or two ends of the telescopic traction rod (1) are respectively and fixedly connected with a traction needle fixing frame (2) and a pelvis traction forceps (3);
traction needle mount (2) are including "L" type link (21), first arc frame (22), second arc frame (23), base (24) and regulation and control threaded rod (27), all offer on first arc frame (22) and second arc frame (23) and be used for fixed traction needle's traction needle fixed orifices (26), "L" type link (21) apex angle department is fixed in on base (24), the both ends of first arc frame (22) respectively with the both ends fixed connection of "L" type link (21), the apex angle department that one end of second arc frame (23) stretched to "L" type link (21), the middle part of second arc frame (23) is articulated with the one end of "L" type link (21), is fixed with threaded rod base (25) on the other end of "L" type link (21), the middle part of regulation and control threaded rod (27) is located in threaded rod base (25) soon, and the one end of regulation and control threaded rod (27) is articulated with the one end of second arc frame (23).
2. An eccentric single-armed bone traction device as claimed in claim 1, wherein: the telescopic traction rod (1) comprises a telescopic sleeve (11), a middle sleeve (15) and a threaded rod (12), wherein a guide hole is formed in one end of the telescopic sleeve (11) along the length direction, one end of the middle sleeve (15) extends into the guide hole of the telescopic sleeve (11), a locking knob (14) is sleeved at the joint of the telescopic sleeve (11) and the middle sleeve (15), the telescopic sleeve (11) and the middle sleeve (15) are fixedly connected through the locking knob (14), a threaded hole is formed in the other end of the middle sleeve (15) along the length direction, one end of the threaded rod (12) is rotatably arranged in the threaded hole of the middle sleeve (15), and a driving mechanism (13) is fixed at the other end of the threaded rod (15).
3. An eccentric single-armed bone traction device as claimed in claim 2, wherein: the driving mechanism (13) comprises a gear box (131) and a driving rod (132), the driving rod (132) extends into the gear box (131) of the driving mechanism (13) along the direction perpendicular to the threaded rod (12), the driving rod (132) in the gear box (131) of the driving mechanism (13) is of a worm structure (133), the other end of the threaded rod (12) is fixedly provided with a turbine structure (134), and the turbine structure (134) and the worm structure (133) form a turbine worm mechanism in the gear box (131) respectively.
4. An eccentric single-armed bone traction device as claimed in claim 3, wherein: the base (24) is fixedly connected with a gear box (131) of the driving mechanism (13).
5. The eccentric single-armed bone traction device of claim 4, wherein: the first arc-shaped frame (22) and the second arc-shaped frame (23) are strip-shaped steel plates, and the inner surfaces of the first arc-shaped frame (22) and the second arc-shaped frame (23) are smooth curved surfaces.
6. The eccentric single-armed bone traction device of claim 4, wherein: the traction needle fixing holes (26) on the first arc-shaped frame (22) and the second arc-shaped frame (23) are bar-shaped holes which are arranged along the respective arc length directions.
7. An eccentric single-armed bone traction device as claimed in claim 2, wherein: the pelvis traction forceps (3) comprise a forceps body (31) and a forceps handle fixing part (32), one end of the forceps handle fixing part (32) is fixedly connected with the telescopic sleeve (11), and the forceps body (31) is fixed on the forceps handle fixing part (32).
8. The eccentric single-armed bone traction device of claim 7, wherein: one end of the clamp handle fixing part (32) is sleeved on the other end of the telescopic tube (11), the other end of the clamp handle fixing part (32) is provided with two connecting rods (321) which are arranged in parallel and are reserved with gaps, one ends of the two connecting rods (321) are hinged, a screw rod (322) is vertically fixed on the other end of one connecting rod (321), a threaded hole is formed in the other connecting rod (321), the screw rod (322) penetrates through the threaded hole, a nut (323) is arranged on the screw rod (322) outside the threaded hole in a rotating mode, and one clamp handle of the clamp body (31) is clamped and fixed between the two connecting rods (321).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192744.2A CN109199556B (en) | 2018-10-13 | 2018-10-13 | Eccentric single-arm bone traction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192744.2A CN109199556B (en) | 2018-10-13 | 2018-10-13 | Eccentric single-arm bone traction device |
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| CN109199556A CN109199556A (en) | 2019-01-15 |
| CN109199556B true CN109199556B (en) | 2023-09-29 |
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| CN105455886A (en) * | 2015-12-31 | 2016-04-06 | 张英泽 | Fracture traction fixator capable of carrying out fracture traction fixation and rapid reduction simultaneously |
| CN106510831A (en) * | 2016-11-11 | 2017-03-22 | 北京飞渡朗颐医疗器械有限公司 | Surgical needle positioning and guiding device |
| CN207220997U (en) * | 2017-03-21 | 2018-04-13 | 北京思宇博特科技有限公司 | A kind of traction reduction equipment |
| CN108078618A (en) * | 2018-02-12 | 2018-05-29 | 中国医学科学院整形外科医院 | Pelvic traction approximator |
| CN209751188U (en) * | 2018-10-13 | 2019-12-10 | 范士洁 | Eccentric single-arm bone traction device |
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