CN114652372A - Instrument for tibia intercondylar eminence avulsion fracture repair - Google Patents
Instrument for tibia intercondylar eminence avulsion fracture repair Download PDFInfo
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- CN114652372A CN114652372A CN202210267932.7A CN202210267932A CN114652372A CN 114652372 A CN114652372 A CN 114652372A CN 202210267932 A CN202210267932 A CN 202210267932A CN 114652372 A CN114652372 A CN 114652372A
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- fracture repair
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- 208000011708 Avulsion fracture Diseases 0.000 title claims abstract description 28
- 230000008439 repair process Effects 0.000 title claims abstract description 21
- 210000002303 tibia Anatomy 0.000 title claims description 18
- 238000003780 insertion Methods 0.000 claims abstract description 60
- 230000037431 insertion Effects 0.000 claims abstract description 60
- 210000000988 bone and bone Anatomy 0.000 claims description 48
- 208000010392 Bone Fractures Diseases 0.000 claims description 17
- 206010017076 Fracture Diseases 0.000 claims description 17
- 238000005553 drilling Methods 0.000 claims description 16
- 210000003041 ligament Anatomy 0.000 claims description 13
- 210000001699 lower leg Anatomy 0.000 claims description 9
- 210000003127 knee Anatomy 0.000 claims description 5
- 210000003437 trachea Anatomy 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 244000309466 calf Species 0.000 claims description 2
- 210000000629 knee joint Anatomy 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 70
- 239000003814 drug Substances 0.000 description 35
- 208000027418 Wounds and injury Diseases 0.000 description 8
- 210000002414 leg Anatomy 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000003322 Coinfection Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1633—Sleeves, i.e. non-rotating parts surrounding the bit shaft, e.g. the sleeve forming a single unit with the bit shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1675—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the knee
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/686—Plugs, i.e. elements forming interface between bone hole and implant or fastener, e.g. screw
-
- 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
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
-
- 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
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
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- Animal Behavior & Ethology (AREA)
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Abstract
The invention discloses an apparatus for tibial intercondylar eminence avulsion fracture repair, which comprises an insertion column and a workbench, wherein the outer side wall of the insertion column is engaged and sleeved with a sleeve, the upper end surface of the insertion column is symmetrically and rotatably connected with two clamping jaws, the lower end of a rotating shaft of any one clamping jaw is fixedly connected with a fixed gear, the lower end of a rotating shaft of the other clamping jaw is fixedly connected with a sliding gear, the lower end of the sliding gear is fixedly connected with a pull rod, the lower end of the pull rod is perforated with the insertion column and is fixedly connected with a rotating handle, and the side wall of the lower end of the pull rod is engaged and connected with a limit nut. Reducing the occurrence of complications.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an instrument for tibial intercondylar eminence avulsion fracture repair.
Background
At present, the tibia intercondylar avulsion fracture is a fracture with a fracture block and a bone bed completely separated, the fracture needs to be treated by an operation, namely, after skin tissues of a knee are cut open, the fracture block is attached to the bone bed through traction of screws or steel wires, after several months, the fracture block is healed with the bone bed, after the skin tissues of the knee are cut open again through the operation, the screws or the steel wires for fixing and pulling the fracture block are taken out, and the secondary operation is easy to have complications, so in order to solve the problems, an instrument for tibia intercondylar avulsion fracture repair is provided.
Disclosure of Invention
The invention aims to provide a device for tibial intercondylar eminence avulsion fracture repair, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an instrument for tibial intercondylar eminence avulsion fracture repair comprises an insertion column and a workbench, wherein the workbench is fixed on a shank of a patient, a sleeve is meshed and sleeved on the outer side wall of the insertion column, a spreader is arranged on the workbench and used for spreading an incision at the knee of the patient to two sides, a drilling piece for forming a bone tunnel on the bone of the patient is arranged on the workbench, the insertion column is inserted in the bone tunnel, the upper end surface of the insertion column is symmetrically and rotatably connected with two clamping jaws which are used for clamping ligaments on the eminence avulsion fracture blocks after the two clamping jaws rotate to the relative intersection of the inner concave surfaces, a plurality of clamping grooves are uniformly formed on the upper side wall of any clamping jaw, a plurality of clamping blocks are uniformly arranged on the lower side wall of the other clamping jaw, the clamping blocks are movably clamped in the clamping grooves, the lower end of a rotating shaft of any clamping jaw extends to the inside of the insertion column and is fixedly connected with a fixed gear, the lower end of the rotating shaft of the other clamping jaw extends to the inside of the inserting column and is fixedly connected with a sliding gear, the fixed gear is meshed with the sliding gear and can slide on the fixed gear, the lower end of the sliding gear is fixedly connected with a pull rod, the lower end of the pull rod penetrates through the inserting column and is fixedly connected with a rotating handle, and the side wall of the lower end of the pull rod is meshed with a limiting nut.
Preferably, the lower side surface of the workbench is symmetrically and slidably connected with clamping plates used for clamping two sides of the lower leg of the patient, the two sides of the workbench are rotatably connected with fourth bolts, and the clamping plates are meshed and sleeved on the side walls of the fourth bolts.
Preferably, the spreader comprises two moving rods, the two moving rods are symmetrically and slidably connected to two sides of the upper side face of the workbench through first bolts, a stand column is fixedly connected to the front end of each moving rod, and a shifting fork is slidably connected to the side wall of the stand column through second bolts.
Preferably, the drilling piece includes the rotor plate, the front end of rotor plate rotates to be connected on the lateral wall of workstation, just it has the arc wall to open on the lateral wall of workstation, the inside of arc wall is equipped with the third bolt, the screw thread end of third bolt runs through the lateral wall and the meshing of arc wall and connects on the back lateral wall of rotor plate, sliding connection has the rig main part on the workstation, the detachable drill bit that is used for drilling out bone tunnel on patient's shin bone that is connected with of front end of rig main part.
Preferably, a medical rubber gasket is attached to the cambered surface of the clamping jaw, which is in contact with the ligament.
Preferably, the lateral wall of the insertion column and the two sides of the bone tunnel are respectively provided with an air bag for preventing the insertion column from moving up and down in the bone tunnel, the inside of the insertion column is provided with an air pipe, the two air bags are communicated with the air pipe, and the lower end of the air pipe is provided with an air valve for controlling the air in the air bags to flow.
Preferably, the pneumatic valve includes valve body, spring, ball valve and hollow bolt, the valve body is fixed in the inside of grafting post, the inner chamber and the tracheal lower extreme of valve body communicate, the ball valve passes through spring sliding connection and is used for realizing that outside gas flows into tracheal inside through the valve body one-way in the inside of valve body, the lower extreme air inlet at the valve body is connected in the hollow bolt meshing, and hollow bolt's upper end and ball valve swing joint.
Compared with the prior art, the invention has the beneficial effects that: after the wound is propped open by the distractor, a bone tunnel is formed on the tibia of the patient by using the drilling piece, the insertion column is inserted into the bone tunnel, the rotating handle is rotated to enable the two clamping jaws to clamp the protuberant bone and tear off ligaments connected to the fracture block, then the sleeve is rotated to enable the sleeve to slide upwards on the insertion column, the insertion column can slide downwards in the bone tunnel, the clamping jaws can pull the fracture block downwards to enable the lower side surface of the fracture block to be attached to a fractured bone bed of the tibia of the calf, the fracture block is reset, after the fracture block is healed for a period of time, the two clamping jaws rotate reversely and then retract on the upper end surface of the insertion column, the incision is not required to be cut again, the insertion column can be pulled out of the bone tunnel, and the occurrence of complications is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram II of the overall structure of the present invention;
FIG. 3 is a schematic diagram III of the overall structure of the present invention;
FIG. 4 is a schematic view of the structure of the insertion post, the sleeve and the airbag of the present invention;
FIG. 5 is a schematic view of the structure of the insertion post, the clamping jaw, the sleeve and the air bag of the present invention;
FIG. 6 is a schematic view of the present invention showing the structure of the worktable, the clamping plate and the fourth bolt;
FIG. 7 is a schematic view of the structure of the table, distractor and drilling member of the present invention;
FIG. 8 is a schematic structural view of the insertion column, the sleeve, the air bag, the dual-channel hose and the syringe according to the present invention;
FIG. 9 is a schematic view of the structure of the insertion column, the clamping jaw and the fluid tank of the present invention;
FIG. 10 is a cross-sectional view of the present invention at the location of the bayonet post, clamping jaw, inner post, air bag and air valve;
FIG. 11 is a cross-sectional view of the syringe, chamber and plunger rod of the present invention;
FIG. 12 is a cross-sectional view of the bayonet post, inner post, administration channel and drain of the present invention;
FIG. 13 is a cross-sectional view of the insertion post, the clamping jaw, the inner post, the liquid inlet, the liquid outlet and the liquid groove of the present invention;
FIG. 14 is a schematic view of the structure of the insertion post, sleeve and clamping jaw of the present invention;
FIG. 15 is a schematic structural view of the insertion post, the inner post, the shift lever, the fixing bolt and the limiting groove of the present invention;
FIG. 16 is an exploded view of the insertion post, inner post, shift lever, fixing bolt and limiting groove of the present invention;
FIG. 17 is a cross-sectional view of the plug-in post, air tube, valve body, spring, ball valve and hollow bolt of the present invention.
In the figure: 1. the device comprises a plug-in column, 101, a sleeve, 2, a workbench, 3, a spreader, 301, a movable rod, 302, a first bolt, 303, a stand column, 304, a second bolt, 305, a shifting fork, 4, a drilling piece, 401, a rotating plate, 402, an arc-shaped groove, 403, a third bolt, 404, a drilling machine body, 405, a drill bit, 5, a clamping jaw, 501, a clamping groove, 502, a clamping block, 503, a medical rubber gasket, 6, a fixed gear, 7, a sliding gear, 8, a pull rod, 801, a rotating handle, 802, a limit nut, 9, a clamping plate, 10, a fourth bolt, 11, an air bag, 12, an air pipe, 13, an air valve, 1301, a valve body, 1302, a spring, 1303, a ball valve, 1304, a hollow bolt, 14, an inner column, 15, a medicine feeding channel, 16, a liquid drainage channel, 17, a liquid syringe channel, 18, a liquid inlet, 19, a liquid outlet, 20, a double-channel hose, 21, 22, a medicine liquid cavity, 23, a liquid receiving cavity, 24, a liquid receiving cavity, a liquid outlet, a liquid channel, a liquid, Piston rod, 25, driving lever, 26, spacing groove, 27, backward flow groove, 28, fixing bolt, 29, screw hole.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-17, the present invention provides a technical solution: an instrument for tibial intercondylar eminence avulsion fracture repair comprises an insertion column 1 and a workbench 2, wherein the workbench 2 is fixed on a lower leg of a patient, a sleeve 101 is engaged and sleeved on the outer side wall of the insertion column 1, a spreader 3 is arranged on the workbench 2 and is used for spreading an incision at the knee of the patient to two sides, a drilling piece 4 for drilling a bone tunnel on a bone of the patient is arranged on the workbench 2, as shown in figure 8, the size of the upper section of the bone tunnel is matched with that of the insertion column 1, the size of the lower section of the bone tunnel is matched with that of the sleeve 101, so that after the insertion column 1 is inserted into the bone tunnel, the upper end of the sleeve 101 is propped against the joint of the upper section and the lower section of the bone tunnel, the insertion depth of the insertion column 1 is limited, and after the sleeve 101 rotates and moves upwards on the insertion column 1, the insertion column 1 slides downwards in the bone tunnel, the insertion column 1 is inserted in a bone tunnel, the upper end face of the insertion column 1 is symmetrically and rotatably connected with two clamping jaws 5 for clamping a carina to tear off a ligament on a fracture block after the two clamping jaws 5 rotate to the inner concave faces and are oppositely crossed, the upper side wall of any clamping jaw 5 is uniformly provided with a plurality of clamping grooves 501, the lower side wall of the other clamping jaw 5 is uniformly provided with a plurality of clamping blocks 502, the clamping blocks 502 are movably clamped in the clamping grooves 501, the lower end of a rotating shaft of any clamping jaw 5 extends to the inside of the insertion column 1 and is fixedly connected with a fixed gear 6, the lower end of a rotating shaft of the other clamping jaw 5 extends to the inside of the insertion column 1 and is fixedly connected with a sliding gear 7, the fixed gear 6 is meshed with the sliding gear 7, the sliding gear 7 can slide on the fixed gear 6, and the lower end of the sliding gear 7 is fixedly connected with a pull rod 8, the lower end of the pull rod 8 penetrates through the insertion column 1 and is fixedly connected with a rotating handle 801, and the side wall of the lower end of the pull rod 8 is connected with a limit nut 802 in a meshing manner;
drilling a bone tunnel on the tibia of the patient through the drilling part 4, as shown in fig. 14, after the clamping jaws 5 are retracted on the upper end surface of the insertion column 1, inserting the insertion column 1 into the bone tunnel, then rotating the rotating handle 801 to cause the rotating handle 801 to rotate with the pull rod 8, the pull rod 8 will slide symmetrically with the sliding gear 7 and the fixed gear 6, thereby causing the two clamping jaws 5 to rotate out from the upper end surface of the insertion column 1, and after the medical personnel finds out the protuberance avulsion fracture, the two clamping jaws 5 clamp the ligament connected on the avulsion fracture as shown in fig. 5, at this time, the rotating handle 801 is pulled downwards, the rotating handle 801 is caused to slide downwards through the pull rod 8 and the sliding gear 7, thereby causing the clamping jaws 5 connected with the sliding gear 7 to slide downwards, causing the ligaments of the two clamping jaws 5 to be in staggered contact, and during the clamping process, the corresponding clamping blocks 502 are inserted into the corresponding clamping grooves 501, then the limiting nut 802 is rotated upwards to cause the limiting nut 802 to slide upwards on the pull rod 8, so that the limiting thread 802 is abutted against the side wall of the insertion column 1, thereby realizing the state that the pull rod 8 is fixed after being pulled downwards, at the moment, the two clamping jaws 5 can be fixed in the state of clamping ligaments, in this state, the sleeve 101 is rotated to cause the sleeve 101 to slide upwards on the insertion column 1, at the moment, the insertion column 1 can slide downwards in the bone tunnel, after sliding, the clamping jaws 5 can pull downwards the eminence avulsion fracture block to cause the lower side surface of the eminence avulsion fracture block to be attached to the fracture bed of the tibia of the lower leg (as shown in fig. 5), so that the reduction of the eminence avulsion fracture block is realized, and after reduction, the knife edge is sutured (as shown in fig. 3);
after the carina avulsion fracture block heals for a period of time, the limiting nut 802 is rotated to enable the limiting nut 802 to move downwards on the pull rod 8, after the movement, the pull rod 8 is pushed upwards to enable the pull rod 8 to push the sliding gear 7 and the clamping jaws 5 to slide upwards, at the moment, the clamping block 502 is separated from the inside of the clamping groove 501 to enable the two clamping jaws 5 to be separated, then the rotating handle 801 is rotated to enable the rotating handle 801 to drive the sliding gear 7 and the fixed gear 6 to rotate reversely through the pull rod 8, so that the two clamping jaws 5 rotate reversely and then retract on the upper end face of the inserting column 1, at the moment, the inserting column 1 is pulled outwards, the inserting column 1 can be pulled out of the bone tunnel, and therefore the inserting column 1 can be taken down from the leg of a patient.
As shown in fig. 6, in order to fix the workbench 2 on the leg of the patient, specifically, clamping plates 9 for clamping the lower leg of the patient are symmetrically and slidably connected to the lower side surface of the workbench 2, and fourth bolts 10 are rotatably connected to both sides of the workbench 2, and the clamping plates 9 are engaged and sleeved on the side walls of the fourth bolts 10;
when the table 2 is fixed to the leg of the patient, the table 2 is placed over the leg of the patient, the two clamping plates 9 are placed on both sides of the lower leg of the patient, and the fourth bolt 10 is turned so that the clamping plates 9 slide on the lower side of the table 2 toward the lower leg, and the two clamping plates 9 are clamped to the lower leg of the patient, thereby fixing the table 2 to the leg of the patient.
As shown in fig. 1, 2 and 7, in order to open the incision of the patient, the spreader 3 includes two moving rods 301, the two moving rods 301 are symmetrically connected to the two sides of the upper side of the table 2 by a first bolt 302, as shown in fig. 7, the first bolt 302 is rotatably connected to the table 2, and the moving rod 301 is engaged and sleeved on the first bolt 302, so that when the first bolt 302 is rotated, the moving rod 301 is caused to slide on the table 2, the front end of the moving rod 301 is fixedly connected with a vertical column 303, the side wall of the vertical column 303 is slidably connected with a shifting fork 305 through a second bolt 304, as shown in fig. 7, the second bolt 304 is rotatably connected to the upright 303, and the fork 305 is engaged and sleeved on the second bolt 304, so that after the second bolt 304 is rotated, the fork 305 is caused to slide on the post 303, thereby allowing adjustment of the depth of insertion of the fork 305 into the wound.
As shown in fig. 1, 2 and 7, the knife needs to be pulled out to facilitate the operation of the tibial eminence avulsion fracture repair operation by medical staff, after the workbench 2 is fixed on the leg of the patient, the second bolt 304 is rotated to cause the second bolt 304 to drive the shifting fork 305 to slide downwards, so that the lower end of the shifting fork 305 is inserted into the wound of the patient, then the two first bolts 302 are rotated to cause the two moving rods 301 to move towards the two sides of the workbench 2 respectively, so that the moving rods 301 with the shifting fork 305 move to cause the two shifting forks 305 to open the knife (as shown in fig. 1 and 2), and at this time, the operation of the tibial eminence avulsion fracture repair operation is facilitated.
As shown in fig. 1, in order to make a bone tunnel on the tibia of the patient so as to insert the insertion column 1 into the tibia of the patient, specifically, the drilling member 4 includes a rotating plate 401, a front end of the rotating plate 101 is rotatably connected to a side wall of the workbench 2, an arc-shaped groove 402 is formed on the side wall of the workbench 2, a third bolt 403 is arranged inside the arc-shaped groove 402, a threaded end of the third bolt 403 penetrates through the side wall of the arc-shaped groove 402 and is engaged and connected to a rear side wall of the rotating plate 401, a drill main body 404 is slidably connected to the workbench 2, and a drill bit 405 for drilling the bone tunnel on the tibia of the patient is detachably connected to the front end of the drill main body 404;
as shown in fig. 1, after the third bolt 403 is loosened, the rotating plate 401 can rotate on the workbench 2, so as to adjust the angle of the drill main body 404, when the angle is adjusted, the third bolt 403 is tightened, so that the third bolt 403 fixes the rear end of the rotating plate 401, then the drill main body 404 is started and the drill main body 404 slides forwards along the rotating plate 401, so that the drill 405 drills a bone tunnel on the tibia, and the sizes of the drill 405 are two, wherein one drill 405 is the same as the thickness of the plug pin 1, the other drill 405 is the same as the sleeve 101, when in use, the drill 405 with the same thickness as the sleeve 101 is installed at the front end of the drill main body 404, a hole matched with the sleeve 101 is drilled on the tibia by using the drill 405, then the drill 405 is removed, the drill 405 with the same thickness as the plug pin 1 is installed at the front end of the drill main body 404, the drill 405 is used to drill through the tibia, along the center of the previous hole drilled in the tibia, creating a bone tunnel that is T-shaped in cross-section.
In order to avoid the clamping jaw 5 from clamping the ligament, specifically, a medical rubber gasket 503 is attached to the arc surface of the clamping jaw 5 contacting the ligament, and the rubber gasket 503 directly contacts the ligament, so that the clamping jaw 5 can be prevented from clamping the ligament, and secondary damage can be prevented.
As shown in fig. 4 and 5, in order to further fix the insertion column 1 inside the bone tunnel and prevent the insertion column 1 from moving inside the bone tunnel to affect the healing, specifically, the side wall of the insertion column 1 and two sides of the bone tunnel are respectively provided with an air bag 11 for preventing the insertion column 1 from moving up and down in the bone tunnel, an air pipe 12 is arranged in the insertion column 1, the two air bags 11 are communicated with the air pipe 12, the insertion column 1 is inserted into the bone tunnel to repair the carina avulsion fracture block, the air bags 11 are filled with air, the air bags 11 are expanded by the air, like this two gasbags 11 just can the joint in bone tunnel even both sides, are favorable to fixing insertion column 1 in bone tunnel's inside like this, avoid insertion column 1 in bone tunnel's inside drunkenness and influence the healing, the lower extreme of trachea 12 is equipped with the inside gas flow's of control gasbag 11 pneumatic valve 13.
As shown in fig. 10 and 17, in order to facilitate the injection of gas into the interior of the airbag 11 or the discharge of gas from the interior of the airbag 11, specifically, the gas valve 13 comprises a valve body 1301, a spring 1302, a ball valve 1303 and a hollow bolt 1304, the valve body 1301 is fixed inside the inserting column 1, the inner cavity of the valve body 1301 is communicated with the lower end of the air pipe 12, the ball valve 1303 is slidably connected to the inside of the valve body 1301 through a spring 1302, so as to realize one-way flow of external air into the inside of the air pipe 12 through the valve body 1301, the hollow bolt 1304 is engaged with the lower inlet of the valve body 1301, and the upper end of the hollow bolt 1304 is movably connected with the ball valve 1303, as shown in fig. 17, a through hole is formed on the side wall of the upper end of the hollow bolt 1304, after the hollow bolt 1304 moves upwards, the hollow bolt 1304 jacks up the ball valve 1301, and the hollow bolt 1304 is communicated with the valve body 1301 through the through hole.
As shown in fig. 10 and 17, when gas needs to be filled into the air bag 11 (at this time, the through hole on the sidewall of the hollow bolt 1304 is attached to the sidewall of the valve body 1301 and is not exposed), the inflation port of an external inflation device (such as an inflator) is pressed against the lower end of the hollow bolt 1304, the external inflation device is used to inject gas into the inner cavity of the hollow bolt 1304, at this time, the gas inside the hollow bolt 1304 pushes the ball valve 1303 open, the ball valve 1303 is urged to enter the interior of the valve body 1301 against the elastic force of the spring 1302, so that the gas is injected into the interior of the air bag 11 along the air tube 12, at this time, the air bag 11 is inflated to fix the plug-in post 1 in the bone tunnel, and when the plug-in post 1 needs to be detached, the hollow bolt 1304 is rotated to cause the hollow bolt 1304 to move upward to expose the through hole thereon, and the upper end of the hollow bolt 1304 pushes the ball valve 1303 open, so that the gas inside the air bag 11 can be fixed in the bone tunnel 12, The valve body 1301, the through-hole and the hollow bolt 1304 are arranged to the outside, so that the airbag 11 is contracted, and in this state, the connector 1 can be extracted from the bone tunnel.
In order to inject a liquid medicine into the interior of a wound so as to enable the intercondylar eminence to tear and remove a fracture block to heal more rapidly, an inner column 14 is arranged inside the insertion column 1, a medicine feeding channel 15 and a liquid discharging channel 16 are arranged inside the inner column 14, a snake-shaped liquid flowing groove 17 is arranged on the outer side wall of the upper end of the insertion column 1, a liquid inlet 18 and a liquid outlet 19 are arranged on the side wall of the liquid flowing groove 17, the liquid inlet 18 is communicated with the medicine feeding channel 15, the liquid outlet 19 is communicated with the liquid discharging channel 16, the lower end of the inner column 14 is connected with a needle cylinder 21 through a double-channel hose 20, as shown in fig. 11, a liquid medicine cavity 22 and a liquid receiving cavity 23 are arranged side by side inside the needle cylinder 21, the liquid medicine cavity 22 is communicated with the medicine feeding channel 15 through the double-channel hose 20, the liquid receiving cavity 23 is communicated with the liquid discharging channel 16 through the double-channel hose 20, a piston rod 24 is connected inside the liquid medicine cavity 22 in a sliding manner, the piston rod 24 penetrates through the side wall of the liquid medicine cavity 22 and extends to the outside of the piston rod, and the rod part of the liquid medicine cavity 22 is communicated with the liquid receiving cavity 23 (as shown in the enlarged view of fig. 11);
injecting a liquid medicine into the wound of the patient intercondylar eminence avulsion fracture repair operation;
by pulling the piston rod 24, the liquid medicine cavity 22 is made to extract a proper amount of liquid medicine, then the needle cylinder 21 is connected with the inner column 14 through the double-channel hose 20, the liquid medicine cavity 22 is made to be communicated with the medicine feeding channel 15 through the double-channel hose 20, the liquid collecting cavity 23 is made to be communicated with the liquid discharging channel 16 through the double-channel hose 20, then the piston rod 24 is pushed, so that the liquid medicine in the liquid medicine cavity 22 is injected into the medicine feeding channel 15 through the double-channel hose 20 by the piston rod 24, the liquid medicine in the medicine feeding channel 15 flows to the inside of the liquid flowing groove 17 along the liquid inlet 18, the liquid medicine is injected into the intercondylar eminence avulsion fracture repair wound, negative pressure is generated in the liquid collecting cavity 23 during the medicine pushing process of the piston rod 24, and at the moment, effusion in the liquid flowing groove 17 (in the intercondylar eminence avulsion fracture repair wound) is led into the liquid collecting cavity 23 along the liquid outlet 19, the liquid discharging channel 16 and the double-channel hose 20 in sequence, the accumulated liquid in the wound can be discharged, the replacement of the liquid medicine and the accumulated liquid is realized, the recovery of the tear-off fracture is facilitated, after the liquid medicine is filled, the double-channel hose 20 is separated from the inner column 14, the lower end of the inner column 14 is plugged and sealed by the disposable plugging cap, then the lower ends of the administration channel 15 and the liquid discharge channel 16 are plugged, the infection is avoided, the double-channel hose 20 and the needle cylinder 21 are disposable, the liquid medicine is required to be replaced by a new liquid medicine after being filled once, and the injection time of the liquid medicine can be determined according to the recovery state of a patient, for example, the liquid medicine is injected once a day;
the inner column 14 can rotate in the inserting column 1, the lower end side wall of the inner column 14 is fixedly connected with a shift lever 25, the shift lever 25 is connected in a swinging manner in a limiting groove 26 (as shown in figures 15 and 16), the limiting groove 26 is arranged in the inserting column 1, the shift lever 25 is matched with the limiting groove 26 to limit the rotating amplitude of the inner column 14, when the shift lever 25 swings to one end of the limiting groove 26, the liquid inlet 18 is communicated with the medicine feeding channel 15 (as shown in figure 13), the liquid outlet 19 is communicated with the liquid discharge channel 16, the operation of injecting liquid medicine can be carried out at the moment, after the liquid medicine is injected, the shift lever 25 is shifted to cause the shift lever 25 to swing to the other end of the limiting groove 26, at the moment, the liquid inlet 18 is staggered with the medicine feeding channel 15, the liquid outlet 19 is staggered with the liquid discharge channel 16, the inner part of the inserting column 1 is provided with a backflow groove 27, after the inner column 14 rotates, the backflow groove 27 directly communicates the liquid discharge channel 16 with the medicine feeding channel 15, in this state, gas is injected into the administration channel 15, and at this time, the liquid (residual liquid medicine and accumulated liquid) in the liquid discharge channel 16 and the administration channel 15 can be discharged, so as to avoid secondary infection;
as shown in fig. 15 and 16, a fixing bolt 28 is engaged and connected to the shift lever 25, threaded holes 29 are opened at both ends of the limiting groove 26, and a threaded end of the fixing bolt 28 is movably engaged and connected in the threaded hole 29, so that the shift lever 25 is fixed at both ends of the limiting groove 26.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an apparatus that is used for shin bone intercondylar eminence to tear fracture repair technique that takes off, includes inserted column (1) and workstation (2), workstation (2) are fixed on patient's calf, its characterized in that: the knee joint fixing device is characterized in that a sleeve (101) is sleeved on the outer side wall of the insertion column (1) in a meshed mode, a spreader (3) is arranged on the workbench (2) and used for spreading an incision knife edge at the knee of a patient to two sides, drilling parts (4) used for opening a bone tunnel on the bone of the patient are arranged on the workbench (2), the insertion column (1) is inserted into the bone tunnel, two clamping jaws (5) are symmetrically and rotatably connected to the upper end face of the insertion column (1) and used for enabling the two clamping jaws (5) to rotate to enable a bulge to be torn and taken off and ligament on a fracture block after the inner concave faces are oppositely crossed, a plurality of clamping grooves (501) are uniformly formed in the upper side wall of any one clamping jaw (5), a plurality of clamping blocks (502) are uniformly arranged on the lower side wall of the other clamping jaw (5), the clamping blocks (502) are movably arranged in the clamping grooves (501), the lower end of a rotating shaft of any clamping jaw (5) extends to the inner portion of the insertion column (1) and is fixedly connected with a fixed gear (6), the lower end of the rotating shaft of the other clamping jaw (5) extends to the inside of the inserting column (1) and is fixedly connected with a sliding gear (7), the fixed gear (6) is meshed with the sliding gear (7) and is connected with the sliding gear (7), the sliding gear (7) can slide on the fixed gear (6), the lower end of the sliding gear (7) is fixedly connected with a pull rod (8), the lower end of the pull rod (8) penetrates through the inserting column (1) and is fixedly connected with a rotating handle (801), and a limiting nut (802) is meshed with the side wall of the lower end of the pull rod (8).
2. The instrument for tibial intercondylar eminence avulsion fracture repair of claim 1, wherein: the downside symmetry sliding connection of workstation (2) has clamping board (9) that are used for the centre gripping in patient's shank both sides, just the both sides of workstation (2) are all rotated and are connected with fourth bolt (10), clamping board (9) meshing cup joints on the lateral wall of fourth bolt (10).
3. The instrument for tibial intercondylar eminence avulsion fracture repair of claim 1, wherein: the spreader (3) comprises two moving rods (301), the two moving rods (301) are symmetrically connected to two sides of the upper side face of the workbench (2) in a sliding mode through first bolts (302), the front end of each moving rod (301) is fixedly connected with a stand column (303), and a shifting fork (305) is connected to the side wall of each stand column (303) through second bolts (304) in a sliding mode.
4. The instrument for tibial intercondylar eminence avulsion fracture repair of claim 1, wherein: drilling spare (4) include rotor plate (401), the front end rotation of rotor plate (101) is connected on the lateral wall of workstation (2), just it has arc wall (402) to open on the lateral wall of workstation (2), the inside of arc wall (402) is equipped with third bolt (403), the screw thread end of third bolt (403) runs through the lateral wall and the meshing of arc wall (402) and connects on the back lateral wall of rotor plate (401), sliding connection has drill body (404) on workstation (2), the detachable drill bit (405) that are used for drilling out the bone tunnel on patient's shin bone that are connected with of front end of drill body (404).
5. The instrument for tibial intercondylar eminence avulsion fracture repair of claim 1, wherein: a medical rubber gasket (503) is attached to the arc surface of the clamping jaw (5) contacted with the ligament.
6. The instrument for tibial intercondylar eminence avulsion fracture repair of claim 1, wherein: the utility model discloses a plug-in connection column, including grafting post (1), trachea (12), gasbag (11) and air valve (13) that the inside gas of control gasbag (11) flows are equipped with gasbag (11) respectively on the lateral wall of grafting post (1) and the both sides that are located the bone tunnel and are used for preventing to peg graft post (1) drunkenness from top to bottom in the bone tunnel, the inside of grafting post (1) is equipped with trachea (12), and two gasbags (11) communicate with trachea (12), the lower extreme of trachea (12) is equipped with the air valve (13) that control gasbag (11) inside gas flows.
7. The instrument for tibial intercondylar eminence avulsion fracture repair of claim 6, wherein: the air valve (13) comprises a valve body (1301), a spring (1302), a ball valve (1303) and a hollow bolt (1304), the valve body (1301) is fixed inside the inserting column (1), an inner cavity of the valve body (1301) is communicated with the lower end of the air pipe (12), the ball valve (1303) is connected inside the valve body (1301) in a sliding mode through the spring (1302) and used for enabling external air to flow into the air pipe (12) in a one-way mode through the valve body (1301), the hollow bolt (1304) is connected to an air inlet at the lower end of the valve body (1301) in a meshed mode, and the upper end of the hollow bolt (1304) is movably connected with the ball valve (1303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210267932.7A CN114652372A (en) | 2022-03-18 | 2022-03-18 | Instrument for tibia intercondylar eminence avulsion fracture repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210267932.7A CN114652372A (en) | 2022-03-18 | 2022-03-18 | Instrument for tibia intercondylar eminence avulsion fracture repair |
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| CN114652372A true CN114652372A (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210267932.7A Pending CN114652372A (en) | 2022-03-18 | 2022-03-18 | Instrument for tibia intercondylar eminence avulsion fracture repair |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4772286A (en) * | 1987-02-17 | 1988-09-20 | E. Marlowe Goble | Ligament attachment method and apparatus |
| KR20100030933A (en) * | 2008-09-11 | 2010-03-19 | 김정만 | Guide used for tunneling tibia and femur in the cruciate ligament reconstruction surgery |
| CN110859648A (en) * | 2019-12-24 | 2020-03-06 | 上海市杨浦区中心医院(同济大学附属杨浦医院) | Multifunctional knee joint single condyle replacement operation incision spreader |
| CN111904570A (en) * | 2020-09-21 | 2020-11-10 | 山东大学齐鲁医院(青岛) | Fixing structure for tibial tubercle fracture |
| CN112807054A (en) * | 2021-02-23 | 2021-05-18 | 南方医科大学深圳医院 | Drilling assembly and positioner for intertrochanteric eminence avulsion fracture of tibial plateau |
| CN213552255U (en) * | 2019-03-21 | 2021-06-29 | 南京市江宁医院 | Fracture fixation device |
-
2022
- 2022-03-18 CN CN202210267932.7A patent/CN114652372A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4772286A (en) * | 1987-02-17 | 1988-09-20 | E. Marlowe Goble | Ligament attachment method and apparatus |
| KR20100030933A (en) * | 2008-09-11 | 2010-03-19 | 김정만 | Guide used for tunneling tibia and femur in the cruciate ligament reconstruction surgery |
| CN213552255U (en) * | 2019-03-21 | 2021-06-29 | 南京市江宁医院 | Fracture fixation device |
| CN110859648A (en) * | 2019-12-24 | 2020-03-06 | 上海市杨浦区中心医院(同济大学附属杨浦医院) | Multifunctional knee joint single condyle replacement operation incision spreader |
| CN111904570A (en) * | 2020-09-21 | 2020-11-10 | 山东大学齐鲁医院(青岛) | Fixing structure for tibial tubercle fracture |
| CN112807054A (en) * | 2021-02-23 | 2021-05-18 | 南方医科大学深圳医院 | Drilling assembly and positioner for intertrochanteric eminence avulsion fracture of tibial plateau |
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Effective date of registration: 20240519 Address after: Yonghua Yonghe Economic Zone Road 511356 Guangdong city in Guangzhou Province Economic and Technological Development Zone No. 25 Applicant after: APEX (GUANGZHOU) TOOLS AND ORTHOPEDICS CO.,LTD. Country or region after: China Address before: 473400 no.437 Xinhua Street, Tanghe County, Nanyang City, Henan Province Applicant before: TANGHE COUNTY PEOPLE'S Hospital Country or region before: China |