CN112472268B - Positioner for orthopedic surgery - Google Patents
Positioner for orthopedic surgery Download PDFInfo
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- CN112472268B CN112472268B CN202011356293.9A CN202011356293A CN112472268B CN 112472268 B CN112472268 B CN 112472268B CN 202011356293 A CN202011356293 A CN 202011356293A CN 112472268 B CN112472268 B CN 112472268B
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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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
- A61B90/13—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints guided by light, e.g. laser pointers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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- Orthopedic Medicine & Surgery (AREA)
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- Surgical Instruments (AREA)
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Abstract
The invention discloses a positioner for orthopedic surgery, which comprises two mounting plates, wherein the two mounting plates are both in a U-shaped structure, the openings of the two mounting plates are upward, two sides of the lower ends of the two mounting plates are fixedly connected with support legs, the side wall of the middle part of the lower ends of the two mounting plates are both provided with a transmission mechanism, two sides of the two mounting plates, which are close to one side, are both provided with second sliding grooves, and two sides between the two mounting plates are both connected with adjusting plates in a sliding manner, so that the positioner for orthopedic surgery has the following beneficial effects: the first clamping plate is detachably connected to the supporting plate, the second clamping plate is connected with the adjusting mechanism on the lifting plate, the first clamping plate can be properly selected according to the thickness of the limbs of a patient when the lifting device is used, meanwhile, the winding rod of the adjusting mechanism can be rotated to roll the pull rope, and the opening size of the second clamping plate is adjusted according to the thickness of the limbs of the patient, so that only the first clamping plates of different models need to be manufactured when the lifting device is manufactured, and the manufacturing cost can be reduced.
Description
Technical Field
The invention relates to a locator structure, in particular to a locator for orthopedic surgery, and belongs to the technical field of medical instruments.
Background
In clinical medicine, bone fracture is one of the common diseases of bone trauma, the method commonly used for treating the bone fracture is to carry out internal fixation operation, namely, after the fracture part is reduced, the reduced bones are connected by a bone fracture plate and screws made of metal materials, and a positioner is one of medical instruments used in the process.
The locator structure that the fixed patient limbs of staff used at present is the same basically, if patient's limbs are thicker, need change the locator of a great model, need make the locator of a plurality of models, high in manufacturing cost, when installing the screw on patient's hone lamella, the staff only leans on the sensation to align with the hone lamella of patient's installation screw with the location structure on the regulation locator, the process is troublesome, and the error appears easily, and patient's limbs are mostly directly put on the locator, in the operation process, if the limbs appear rocking, lead to the screw installation failure easily, bring unnecessary misery and injury for the patient.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a positioner for orthopedic surgery.
In order to achieve the purpose, the invention adopts the following technical scheme:
the locator for the orthopedic surgery comprises two mounting plates, wherein the two mounting plates are both in a U-shaped structure and have upward openings, both sides of the lower ends of the two mounting plates are fixedly connected with support legs, both side walls of the middle parts of the lower ends of the two mounting plates are provided with transmission mechanisms, both sides of the two mounting plates, which are close to one side, are provided with second sliding grooves, both sides between the two mounting plates are jointly and slidably connected with a regulating plate, the front part and the rear part of the regulating plate are both in a concave structure and are all clamped on the side walls of the mounting plates at the same side, the front part and the rear part of one side, which are positioned outside the two mounting plates, of the regulating plate are respectively inserted with a bolt in a penetrating way, the bolts are all inserted on the inner walls of the second sliding grooves at the same side, the middle part of the upper end of the regulating plate is provided with a first sliding groove, one side wall, which is close to the outer sides of the two mounting plates, of the first sliding groove is provided with a through groove, the upper end of the adjusting plate is jointly provided with a positioning mechanism, one side of the inner parts of the two mounting plates is provided with a first lifting mechanism, the other side of the inner parts of the two mounting plates is provided with a second lifting mechanism, a lifting plate is arranged between the second lifting mechanism and the first lifting mechanism at the same side, the lifting plate is positioned at the upper end of the inner parts of the mounting plates at the same side, the inner parts of the two sides of the lifting plate are provided with through grooves, the inner parts of the through grooves are rotatably connected with driving rollers, the middle parts of the lower ends of the lifting plates are fixedly connected with second clamping plates, the second clamping plates are arc-shaped structures with downward openings, the middle parts of the upper ends of the lifting plates are provided with adjusting mechanisms, the adjusting mechanisms are connected with the second clamping plates at the same side, and the first lifting mechanism and the second lifting mechanism are connected with the driving mechanisms at the same side through linkage gears, the middle parts of the lower ends of the linkage gears are rotatably connected to the inner walls of the lower ends of the mounting plates on the same side through movable shafts, two support plates are fixedly connected to the inner walls of the middle parts of the lower ends of the two mounting plates, the lower ends of the supporting plates are in U-shaped structures, the openings of the supporting plates are downward, first clamping plates are clamped between the upper ends of the two supporting plates on the same side, the first clamping plates are all arc-shaped structures, the openings of the first clamping plates are all upward, the first clamping plates are all positioned under the second clamping plates on the same side, the upper end of the first clamping plate and the lower end of the second clamping plate at the same side are both fixedly connected with a polymer sponge lining, both sides of the lower end of the first clamping plate are fixedly connected with inserting plates, the inserting plates are detachably connected on supporting plates on the same side through bolts, the middle parts of the two supporting plates on the same side, far away from one side, are fixedly connected with transverse plates, one side of the transverse plate, which is far away from the supporting plate on the same side, is fixedly connected to the inner wall of the side surface of the mounting plate on the same side;
the transmission mechanism comprises transmission shafts, the transmission shafts penetrate through bearings and are fixedly connected to the side walls of the middle portions of the lower ends of the mounting plates on the same side, first bevel gears are fixedly connected to the lower ends of the transmission shafts, transmission gears are fixedly connected to the upper ends of the transmission shafts, the transmission gears are located between the two supporting plates on the same side, and the two sides of each transmission gear are meshed with the linkage gears on the same side.
Preferably, positioning mechanism includes the deflector, the deflector is the arc structure, the equal fixedly connected with slider of both sides lower extreme of deflector, inside the first spout that the equal sliding connection of slider was seted up on the homonymy regulating plate, the middle part of deflector is the state of running through, the equal sliding connection of last lower extreme at deflector middle part has the slide, all run through and fixedly connected with position sleeve between the middle part of slide, the position sleeve runs through and sliding connection is at the middle part of deflector, the inside laser lamp of pegging graft of lower extreme of position sleeve.
Preferably, first elevating system all includes first screw rod, first screw rod all runs through and fixed connection on the homonymy diaphragm through the bearing, first screw rod all rotates and connects on the lower extreme inner wall of homonymy mounting panel, the upper end of first screw rod all rotates and is connected with first support plate, the equal fixed connection of first support plate is on the mounting panel side inner wall of homonymy, all overlap on the lower extreme circumference outer wall of first screw rod and establish and the equal and homonymy linkage gear engagement of the first ring gear of fixedly connected with is connected.
Preferably, adjustment mechanism all includes the casing, the equal fixed connection of casing is in the upper end of homonymy lifter plate, the equal first spring telescopic link of fixedly connected with in inside of casing, the equal fixedly connected with cardboard in upper end of first spring telescopic link, the equal joint of cardboard is in the inside upper end of homonymy casing, the upper end of cardboard all is connected with the roof through the pivot rotation, the roof all is located the upper end outside of homonymy casing, the equal fixedly connected with wrapping post in upper end of roof, the equal fixedly connected with arm-tie in upper end of wrapping post, all the wraparound has two stay cords, homonymy two the tensile one end of stay cord all passes homonymy through the groove and fixed connection is in the both sides of homonymy second splint respectively.
Preferably, the lower end of the top plate is fixedly connected with a clamping frame, and the clamping frames are clamped inside the upper end of the shell on the same side.
Preferably, the middle parts of the pull ropes are connected to the side wall of the top plate on the same side and the circumferential outer wall of the transmission roller in a sliding mode.
Preferably, two the stabilizer blade of mounting panel one side is inside all to run through and fixedly connected with bull stick through the bearing, the equal fixedly connected with second bevel gear of one end that the bull stick is close to homonymy mounting panel middle part, second bevel gear all is connected with the meshing of homonymy drive mechanism's first bevel gear, the equal fixedly connected with runner of one end that homonymy mounting panel middle part was kept away from to the bull stick.
Preferably, the middle part that leads to the groove all runs through and sliding connection has second spring telescopic link, the equal fixed connection of one end of second spring telescopic link is on homonymy positioning mechanism's slider, the equal fixedly connected with of the other end of second spring telescopic link draws the dish, draw the outside that the dish all is located homonymy logical groove, the diameter that draws the dish all is greater than the distance between the logical groove upper and lower extreme of homonymy.
Preferably, the second elevating system all includes the second screw rod, the second screw rod all runs through and fixed connection on the homonymy diaphragm through the bearing, the lower extreme of second screw rod all rotates to be connected on the lower extreme inner wall of homonymy mounting panel, the upper end of second screw rod all rotates and is connected with the second support plate, the equal fixed connection of second support plate is on the mounting panel side inner wall of homonymy, all overlap on the lower extreme circumference outer wall of second screw rod and establish and fixedly connected with second ring gear, the equal meshing of second ring gear is connected on homonymy linkage gear.
Preferably, the front side and the rear side of the upper end of the guide plate are respectively embedded with a first iron absorbing plate, the first iron absorbing plates are respectively of an arc-shaped structure, the front side and the rear side of the lower end of the sliding plate above the guide plate are respectively embedded with a second iron absorbing plate, and the second iron absorbing plates are magnetically connected to the first iron absorbing plates on the same side.
The positioner for the orthopedic surgery provided by the invention has the beneficial effects that:
1. the first clamping plate is detachably connected to the supporting plate, the second clamping plate is connected with the adjusting mechanism on the lifting plate, the first clamping plate can be properly selected according to the thickness of the limbs of a patient when the lifting device is used, meanwhile, the winding rod of the adjusting mechanism can be rotated to roll the pull rope, and the opening size of the second clamping plate is adjusted according to the thickness of the limbs of the patient, so that only the first clamping plates of different models need to be manufactured when the lifting device is manufactured, and the manufacturing cost can be reduced.
2. The lifting plate is arranged on the mounting plate through the first lifting mechanism and the second lifting mechanism, when the lifting plate is used, the first screw rod of the first adjusting mechanism and the second screw rod of the second lifting mechanism can be rotated, the lifting plate is lowered, the second clamping plate is clamped on the limb of a patient, and the limb of the patient is clamped by the first clamping plate, so that the situation that the limb shakes during operation, the screw mounting fails, and redundant pain and injury are brought to the patient is avoided.
3. The adjusting plate is provided with the positioning mechanism convenient to adjust, the laser lamp is arranged in the positioning sleeve of the positioning mechanism, the fixing sleeve slides on the guide plate when the fixing sleeve is used, when light irradiated by the laser lamp irradiates on a bone plate of a screw for mounting a patient, the position of the positioning sleeve can be determined, the adjusting time can be shortened, the process is simple, and the error is small.
Drawings
FIG. 1 is a schematic structural diagram of a positioner for bone surgery according to the present invention;
FIG. 2 is an enlarged view of the area A in FIG. 1;
FIG. 3 is a side view of a positioner for use in orthopedic surgery in accordance with the present invention;
FIG. 4 is a schematic view of the installation structure of the locator fixing sleeve for orthopedic surgery on the guide plate according to the present invention;
FIG. 5 is a schematic structural view of a sliding plate at the upper end of a guide plate of a positioner for bone surgery, according to the present invention;
FIG. 6 is a schematic structural view of a positioner adjusting plate for bone surgery according to the present invention;
fig. 7 is a schematic structural diagram of a positioner for an orthopedic surgical pull disc according to the present invention.
In the figure: the mounting plate 1, the support leg 2, the transmission mechanism 3, the transmission shaft 31, the first bevel gear 32, the transmission gear 33, the support plate 4, the first clamping plate 5, the first lifting mechanism 6, the first screw 61, the first gear ring 62, the first carrier plate 63, the second lifting mechanism 7, the second screw 71, the second gear ring 72, the second carrier plate 73, the positioning mechanism 8, the guide plate 81, the slider 82, the sliding plate 83, the positioning sleeve 84, the laser lamp 85, the first iron absorbing plate 86, the second iron absorbing plate 87, the adjusting mechanism 9, the housing 91, the first spring telescopic rod 92, the clamping plate 93, the rotating shaft 94, the top plate 95, the clamping frame 96, the winding post 97, the pulling plate 98, the pulling rope 99, the inserting plate 10, the movable shaft 11, the linkage gear 12, the transverse plate 13, the adjusting plate 14, the inserting pin 15, the first sliding chute 16, the through groove 17, the pulling plate 18, the second spring telescopic rod 19, the second clamping plate 20, the through groove 21, the roller 22, the, A rotating rod 24, a second bevel gear 25, a rotating wheel 26 and a second chute 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, a positioner for orthopedic surgery comprises two mounting plates 1, wherein the two mounting plates 1 are both in a U-shaped structure and have upward openings, two sides of the lower ends of the two mounting plates 1 are both fixedly connected with support legs 2, a transmission mechanism 3 is mounted on the side wall of the middle part of the lower ends of the two mounting plates 1, two sides of the two mounting plates 1, which are close to one side, are both provided with second chutes 27, two sides between the two mounting plates 1 are both in sliding connection with an adjusting plate 14, the front and rear parts of the adjusting plate 14 are both in a concave structure and are both clamped on the side wall of the mounting plate 1 at the same side, the front and rear parts of one side of the adjusting plate 14, which are positioned outside the two mounting plates 1, are both inserted with bolts 15, the bolts 15 are both inserted on the inner wall of the second chute 27 at the same side, and the middle part of the upper end of the adjusting plate 14 is provided with first chutes 16, the side wall of one side, which is close to the outer sides of the two mounting plates 1, of the first chute 16 is provided with a through groove 17, the upper end of the adjusting plate 14 is provided with a positioning mechanism 8, one side of the inner parts of the two mounting plates 1 is provided with a first lifting mechanism 6, the other side of the inner parts of the two mounting plates 1 is provided with a second lifting mechanism 7, a lifting plate 23 is arranged between the second lifting mechanism 7 and the first lifting mechanism 6 on the same side, the lifting plate 23 is positioned at the upper end of the inner part of the mounting plate 1 on the same side, the inner parts of the two sides of the lifting plate 23 are provided with through grooves 21, the inner parts of the through grooves 21 are rotatably connected with driving rollers 22, the middle parts of the lower ends of the lifting plate 23 are fixedly connected with second clamping plates 20, the second clamping plates 20 are both in arc structures and have downward openings, and the middle parts of the upper ends of the lifting plates 23 are provided with adjusting mechanisms 9, the adjusting mechanism 9 is connected with a second clamping plate 20 at the same side, the first lifting mechanism 6 and the second lifting mechanism 7 are connected with a transmission mechanism 3 at the same side through a linkage gear 12, the middle part of the lower end of the linkage gear 12 is rotatably connected with the inner wall of the lower end of the mounting plate 1 at the same side through a movable shaft 11, two supporting plates 4 are fixedly connected with the inner wall of the middle part of the lower end of the mounting plate 1, the lower ends of the supporting plates 4 are U-shaped structures and have downward openings, a first clamping plate 5 is clamped between the upper ends of the two supporting plates 4 at the same side, the first clamping plate 5 is arc-shaped and has upward openings, the first clamping plate 5 is positioned under the second clamping plate 20 at the same side, the upper end of the first clamping plate 5 and the lower end of the second clamping plate 20 at the same side are fixedly connected with a polymer sponge lining, and the both sides of the lower end of the first clamping plate 5 are fixedly connected with a plugboard 10, the plug boards 10 are detachably connected to the supporting plates 4 on the same side through bolts, transverse plates 13 are fixedly connected to the middle parts of the sides, far away from the supporting plates 4, of the two supporting plates 4 on the same side, one sides, far away from the supporting plates 4 on the same side, of the transverse plates 13 are fixedly connected to the inner walls of the side surfaces of the mounting plates 1 on the same side, so that the first lifting mechanisms 6 and the second lifting mechanisms 7 can be supported conveniently, and meanwhile, the linkage gears 12 on the same side;
the transmission mechanisms 3 all comprise transmission shafts 31, the transmission shafts 31 penetrate through bearings and are fixedly connected to the side walls of the middle portions of the lower ends of the same-side mounting plates 1, the lower ends of the transmission shafts 31 are fixedly connected with first bevel gears 32, the upper ends of the transmission shafts 31 are fixedly connected with transmission gears 33, the transmission gears 33 are located between two supporting plates 4 on the same side, two sides of each transmission gear 33 are meshed with the same-side linkage gears 12 and are connected with each other, the same-side first lifting mechanisms 6 and the same-side second lifting mechanisms 7 are conveniently driven simultaneously, and the lifting plates 23 are conveniently driven to move.
Wherein, two the stabilizer blade 2 inside of mounting panel 1 one side all runs through and fixedly connected with bull stick 24 through the bearing, the bull stick 24 is close to the equal fixedly connected with second bevel gear 25 of one end at homonymy mounting panel 1 middle part, second bevel gear 25 all is connected with the meshing of the first bevel gear 32 of homonymy drive mechanism 3, the equal fixedly connected with runner 26 of one end at homonymy mounting panel 1 middle part is kept away from to the bull stick 24, rotates bull stick 24 through runner 26, makes bull stick 24 drive second bevel gear 25 rotate, conveniently drives the motion of homonymy drive mechanism 3.
Wherein, the adjusting mechanisms 9 each include a casing 91, the casings 91 are fixedly connected to the upper ends of the same-side lifting plates 23, the casings 91 are each fixedly connected to a first spring telescopic rod 92, the upper ends of the first spring telescopic rods 92 are each fixedly connected to a clamping plate 93, the clamping plates 93 are each clamped to the upper ends of the interiors of the same-side casings 91, the upper ends of the clamping plates 93 are each rotatably connected to a top plate 95 through a rotating shaft 94, the lower ends of the top plates 95 are each fixedly connected to a clamping frame 96, the clamping frames 96 are each clamped to the interiors of the upper ends of the same-side casings 91, the top plates 95 are each located outside the upper ends of the same-side casings 91, the upper ends of the top plates 95 are each fixedly connected to a winding post 97, the upper ends of the winding posts 97 are each fixedly connected to a pulling plate 98, two pulling ropes 99 are each wound around the circumferential outer walls of the winding posts 97, one ends of the two pulling ropes 99 on the same side pass through the same-side through grooves 21 and are each fixedly connected to the two sides of the same-side second clamping plates 20, the middle part of the pull rope 99 is connected to the side wall of the top plate 95 at the same side and the outer wall of the circumference of the transmission roller 22 in a sliding manner, the winding post 97 is rotated through the pull plate 98 during use, the two pull ropes 99 are wound, and the size of the opening of the second clamping plate 20 at the same side can be conveniently adjusted according to the thickness of the limbs of a patient.
Wherein, the positioning mechanism 8 comprises a guide plate 81, the guide plate 81 is of an arc structure, the lower ends of both sides of the guide plate 81 are fixedly connected with slide blocks 82, the slide blocks 82 are slidably connected inside first sliding grooves 16 formed on the adjusting plates 14 on the same side, the middle part of the guide plate 81 is in a penetrating state, the front and rear sides of the upper end of the guide plate 81 are respectively embedded with a first iron absorbing plate 86, the first iron absorbing plates 86 are respectively of an arc structure, the upper and lower ends of the middle part of the guide plate 81 are respectively slidably connected with a sliding plate 83, the front and rear sides of the lower end of the upper sliding plate 83 are respectively embedded with a second iron absorbing plate 87, the second iron absorbing plates 87 are respectively magnetically connected on the first iron absorbing plates 86 on the same side, a positioning sleeve 84 is respectively and fixedly connected between the middle parts of the sliding plates 83 in a penetrating manner, the positioning sleeve 84 is slidably connected to the middle part of the guide plate 81, a laser lamp 85 is inserted into the lower end of the positioning sleeve 84, in use, the positioning sleeve 84 can be conveniently adjusted to be aligned with the bone plate of the patient limb mounting screw by sliding the guide plate 81 on the two adjusting plates 14, sliding the two sliding plates 83 on the guide plate 81 and observing the light irradiated by the laser lamp 85.
Wherein, the middle part that leads to groove 17 all runs through and sliding connection has second spring telescopic link 19, the equal fixed connection of one end of second spring telescopic link 19 is on the slider 82 of homonymy positioning mechanism 8, the equal fixedly connected with of the other end of second spring telescopic link 19 draws dish 18, draw dish 18 all to be located the outside that the groove 17 was led to the homonymy, the diameter that draws dish 18 all is greater than the distance that the homonymy led to between the groove 17 upper and lower end, utilizes the elasticity of second spring telescopic link 19 to draw dish 18 to support in the outside of homonymy regulating plate 14, conveniently fixes the position of positioning mechanism 8 on regulating plate 14.
Wherein, the first lifting mechanisms 6 all comprise first screw rods 61, the first screw rods 61 are all penetrated through and fixedly connected on the same side transverse plates 13 through bearings, the first screw rods 61 are all rotatably connected on the lower end inner walls of the same side mounting plates 1, the upper ends of the first screw rods 61 are all rotatably connected with first carrier plates 63, the first carrier plates 63 are all fixedly connected on the side inner walls of the same side mounting plates 1, the lower end circumference outer walls of the first screw rods 61 are all sleeved and fixedly connected with first toothed rings 62 and are all meshed and connected with the same side linkage gears 12, the second lifting mechanisms 7 all comprise second screw rods 71, the second screw rods 71 are all penetrated through and fixedly connected on the same side transverse plates 13 through bearings, the lower ends of the second screw rods 71 are all rotatably connected on the lower end inner walls of the same side mounting plates 1, the upper ends of the second screw rods 71 are all rotatably connected with second screws 73, the equal fixed connection of second support plate 73 is on the mounting panel 1 side inner wall of homonymy, all overlap on the lower extreme circumference outer wall of second screw rod 71 and establish and fixedly connected with second ring gear 72, second ring gear 72 all meshes the connection on homonymy linkage gear 12, rotates first screw rod 61 and second screw rod 71 during the use, makes lifter plate 23 lapse, conveniently blocks second splint 20 on patient's limbs, and patient's limbs are cliied in the cooperation of convenient first splint 5, and patient's limbs rock when avoiding operating.
Specifically, when in use, the invention is moved to the operation place, the first splint 5 with the corresponding model is replaced according to the limb of the patient, then the top plate 95 is pulled upwards through the pulling plate 98, the clamping frame 96 is pulled out from the inner part of the upper end of the shell 91, then the pulling plate 98 rotates the winding post 97, the two pulling ropes 99 are wound on the winding post 97, meanwhile, the two pulling ropes 99 continuously pull the two sides of the second splint 20 to gradually enlarge the opening of the second splint 20, the opening size of the second splint 20 can be adjusted according to the limb thickness of the patient, then the pulling plate 98 is loosened slowly, the top plate 95 moves downwards under the elastic force of the first spring telescopic rod 92, the clamping frame 96 is clamped back to the inner part of the upper end of the shell 91 to fix the current state of the winding post 97, further, the opening size of the second splint 20 is fixed through the pulling ropes 99, then the limb of the patient is placed on the first splint 5, the bone plate with the screw is enabled to face upwards, the rotating rod 24 is rotated through the rotating wheel 26, the rotating rod 24 rotates the first bevel gear 32 through the second bevel gear 25, the first bevel gear 32 rotates the transmission gear 33 through the transmission shaft 31, the transmission gear 33 rotates the first toothed ring 62 and the second toothed ring 72 through the linkage gear 12, further the first screw rod 61 and the second screw rod 71 are rotated, the lifting plate 23 moves downwards through the first screw rod 61 and the second screw rod 71, the second clamping plate 20 is clamped on the limb of a patient through the lifting plate 23, the limb of the patient is clamped through the first clamping plate 5 in a matching mode, the limb of the patient is prevented from shaking during operation, the bolt 15 is pulled out, the adjusting plate 14 is lowered, the height of the adjusting plate 14 is adjusted, when the height of the adjusting plate 14 is proper, the height of the adjusting plate 14 is fixed through the bolt 15, then the guide plate 81 slides on the adjusting plate 14, and the sliding plate 83 drives the positioning sleeve, when the light emitted by the laser lamp 85 irradiates on the bone plate of the patient for installing the screw, the guide plate 81 and the sliding plate 83 are stopped sliding, the pull disc 18 is pulled by the elasticity of the telescopic rod 19 of the second spring, the position of the guide plate 81 at the moment is fixed, the first iron sucking plate 86 and the second iron sucking plate 87 are sucked together, the position of the positioning sleeve 84 at the moment is fixed, then the laser lamp 85 is pulled out of the positioning sleeve 84, the screwdriver penetrates through the positioning sleeve 84, and the screw is installed on the bone plate of the patient by the screwdriver.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A positioner for orthopedic surgery, comprising two mounting plates (1), characterized in that both of said mounting plates (1) are of U-shaped configuration with the openings facing upwards; the lower end of each of the two mounting plates (1) is fixedly connected with a support leg (2), the lower end of each of the two mounting plates (1) is provided with a transmission mechanism (3) on the side wall at the middle part, the two mounting plates (1) are provided with a second sliding groove (27) on the side wall at the middle part, the two mounting plates (1) are provided with a regulating plate (14) on the side wall at the middle part, the front and the back parts are both of a concave structure and are clamped on the side wall of the mounting plate (1) at the same side, the front and the back parts of one side of the regulating plate (14) outside the two mounting plates (1) are inserted with a bolt (15), the bolt (15) is inserted on the inner wall of the second sliding groove (27) at the same side, the middle part of the upper end of the regulating plate (14) is provided with a first sliding groove (16), the side wall of the first sliding groove (16), the upper end of the adjusting plate (14) is jointly provided with a positioning mechanism (8), one side of the inner parts of the two mounting plates (1) is provided with a first lifting mechanism (6), the other side of the inner parts of the two mounting plates (1) is provided with a second lifting mechanism (7), a lifting plate (23) is arranged between the second lifting mechanism (7) and the first lifting mechanism (6) on the same side, the lifting plate (23) is arranged at the upper end of the inner parts of the mounting plates (1) on the same side, penetrating grooves (21) are arranged inside the two sides of the lifting plate (23), the inner parts of the penetrating grooves (21) are rotatably connected with transmission rollers (22), the middle parts of the lower ends of the lifting plates (23) are fixedly connected with second clamping plates (20), the second clamping plates (20) are both arc-shaped structures and have downward openings, and adjusting mechanisms (9) are arranged in the middle parts of the upper ends of the lifting plates (23), the adjusting mechanism (9) is connected with a second clamping plate (20) at the same side, the first lifting mechanism (6) and the second lifting mechanism (7) are connected with a transmission mechanism (3) at the same side through a linkage gear (12), the middle part of the lower end of the linkage gear (12) is rotatably connected with the inner wall of the lower end of the mounting plate (1) at the same side through a movable shaft (11), two supporting plates (4) are fixedly connected with the inner wall of the middle part of the lower end of the mounting plate (1), the lower ends of the supporting plates (4) are both in a U-shaped structure and have openings facing downwards, a first clamping plate (5) is clamped between the upper ends of the two supporting plates (4) at the same side, the first clamping plate (5) is both in an arc-shaped structure and has openings facing upwards, the first clamping plate (5) is positioned under the second clamping plate (20) at the same side, the upper end of the first clamping plate (5) and the lower end of the second clamping plate (20) at the same side are both fixedly connected with a polymer sponge lining, both sides of the lower end of the first clamping plate (5) are fixedly connected with inserting plates (10), the inserting plates (10) are detachably connected to supporting plates (4) on the same side through bolts, transverse plates (13) are fixedly connected to the middle parts of the two supporting plates (4) on the same side, which are far away from one side, of the transverse plates (13), which are far away from the supporting plates (4) on the same side, and are fixedly connected to the inner walls of the side surfaces of the mounting plates (1) on the same side;
the transmission mechanisms (3) respectively comprise transmission shafts (31), the transmission shafts (31) penetrate through bearings and are fixedly connected to the side wall of the middle part of the lower end of the mounting plate (1) on the same side, the lower ends of the transmission shafts (31) are respectively and fixedly connected with a first bevel gear (32), the upper ends of the transmission shafts (31) are respectively and fixedly connected with transmission gears (33), the transmission gears (33) are respectively positioned between the two support plates (4) on the same side, and the two sides of each transmission gear (33) are respectively meshed with the linkage gears (12) on the same side; the positioning mechanism (8) comprises a guide plate (81), the guide plate (81) is of an arc-shaped structure, the lower ends of two sides of the guide plate (81) are fixedly connected with sliding blocks (82), the sliding blocks (82) are connected to the inner portion of a first sliding groove (16) formed in an adjusting plate (14) on the same side in a sliding mode, the middle of the guide plate (81) is in a penetrating state, the upper end and the lower end of the middle of the guide plate (81) are connected with sliding plates (83) in a sliding mode, positioning sleeves (84) are connected between the middle of the sliding plates (83) in a penetrating mode and fixedly connected with the middle of the guide plate (81), and laser lamps (85) are inserted into the lower ends of the positioning sleeves (84);
adjustment mechanism (9) all include casing (91), the equal fixed connection in the upper end of homonymy lifter plate (23) in casing (91), the equal fixedly connected with first spring telescopic link (92) in inside of casing (91), the equal fixedly connected with cardboard (93) in upper end of first spring telescopic link (92), the equal joint in inside upper end of homonymy casing (91) of cardboard (93), the upper end of cardboard (93) all rotates through pivot (94) and is connected with roof (95), roof (95) all is located the upper end outside of homonymy casing (91), the equal fixedly connected with wrapping post (97) in upper end of roof (95), the equal fixedly connected with arm-tie (98) in upper end of wrapping post (97), all the wraparound connection has two stay ropes (99) on the circumference outer wall of wrapping post (97), homonymy two the tensile one end of stay rope (99) all passes homonymy through groove (21) and difference fixed connection is in second splint (20) Both sides of (a); the equal fixedly connected with card frame (96) of lower extreme of roof (95), card frame (96) all the joint is inside the upper end of homonymy casing (91).
2. The positioner for orthopedic surgery according to claim 1, characterized in that the first lifting mechanisms (6) each comprise a first screw rod (61), the first screw rods (61) are all penetrated through and fixedly connected to the same-side transverse plate (13) through bearings, the first screw rods (61) are all rotatably connected to the inner wall of the lower end of the same-side mounting plate (1), the upper ends of the first screw rods (61) are all rotatably connected to a first support plate (63), the first support plates (63) are all fixedly connected to the inner wall of the side surface of the same-side mounting plate (1), first toothed rings (62) are all sleeved and fixedly connected to the outer wall of the circumference of the lower ends of the first screw rods (61), and the first toothed rings (62) are all meshed with the same-side linkage gears (12).
3. A positioner for use in orthopaedic surgery according to claim 1, characterised in that the pull cord (99) is slidingly connected at its central portion to the side wall of the same side head plate (95) and to the peripheral outer wall of the driving roller (22).
4. The locator for the orthopedic surgery is characterized in that the insides of the support legs (2) on one side of the two mounting plates (1) are penetrated through by bearings and are fixedly connected with rotating rods (24), one ends of the rotating rods (24) close to the middle parts of the mounting plates (1) on the same side are fixedly connected with second bevel gears (25), the second bevel gears (25) are meshed with first bevel gears (32) of the transmission mechanisms (3) on the same side, and one ends of the rotating rods (24) far away from the middle parts of the mounting plates (1) on the same side are fixedly connected with rotating wheels (26).
5. The locator for the orthopedic surgery is characterized in that the middle of each through groove (17) is penetrated and slidably connected with a second spring telescopic rod (19), one end of each second spring telescopic rod (19) is fixedly connected to a sliding block (82) of the same-side locating mechanism (8), the other end of each second spring telescopic rod (19) is fixedly connected with a pull disc (18), the pull discs (18) are located outside the through grooves (17) on the same side, and the diameters of the pull discs (18) are larger than the distance between the upper end and the lower end of the through grooves (17) on the same side.
6. The positioner for orthopedic surgery according to claim 1, characterized in that the second lifting mechanisms (7) each comprise a second screw (71), the second screws (71) are all penetrated through and fixedly connected to the same-side transverse plate (13) through bearings, the lower ends of the second screws (71) are all rotatably connected to the inner wall of the lower end of the same-side mounting plate (1), the upper ends of the second screws (71) are all rotatably connected to a second carrier plate (73), the second carrier plates (73) are all fixedly connected to the inner wall of the side surface of the same-side mounting plate (1), a second toothed ring (72) is sleeved and fixedly connected to the outer wall of the circumference of the lower end of the second screws (71), and the second toothed rings (72) are all meshed and connected to the same-side linkage gear (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011356293.9A CN112472268B (en) | 2020-11-26 | 2020-11-26 | Positioner for orthopedic surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011356293.9A CN112472268B (en) | 2020-11-26 | 2020-11-26 | Positioner for orthopedic surgery |
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| CN112472268A CN112472268A (en) | 2021-03-12 |
| CN112472268B true CN112472268B (en) | 2021-08-24 |
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| CN202011356293.9A Active CN112472268B (en) | 2020-11-26 | 2020-11-26 | Positioner for orthopedic surgery |
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| CN (1) | CN112472268B (en) |
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| TWI611793B (en) * | 2017-04-12 | 2018-01-21 | 長庚醫療財團法人林口長庚紀念醫院 | Guiding apparatus for minimally invasive pedicle screws insertion |
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| CN104224305A (en) * | 2014-09-15 | 2014-12-24 | 广州军区广州总医院 | Calcaneus sustentaculum talus screw guider |
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| CN112472268A (en) | 2021-03-12 |
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Inventor after: Li Dawei Inventor after: Ni Xiaozhen Inventor after: Lv Silei Inventor before: Lv Silei |
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Effective date of registration: 20210730 Address after: 250014 East Hospital of traditional Chinese medicine, No. 16369, Jingshi Road, Jinan City, Shandong Province Applicant after: Li Dawei Address before: Kunming Medical University, 1168 Chunrong West Road, Yuhua street, Chenggong District, Kunming City, Yunnan Province, 650500 Applicant before: Lv Silei |
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