CN108703801B - A kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics - Google Patents
A kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics Download PDFInfo
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- CN108703801B CN108703801B CN201810619691.1A CN201810619691A CN108703801B CN 108703801 B CN108703801 B CN 108703801B CN 201810619691 A CN201810619691 A CN 201810619691A CN 108703801 B CN108703801 B CN 108703801B
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- screw
- screw rod
- block
- sliding
- slot
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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
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary 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
- A61B17/8875—Screwdrivers, spanners or wrenches
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing devices of orthopaedics, including identical first screw rod of structure and the second screw rod, graduation mark is equipped on the lateral wall of first screw rod and the second screw rod, first screw rod and the second screw rod are connected by hinged ear, and hinged ear is connected by bindiny mechanism with the first screw rod, the one end of first screw rod and the second screw rod far from hinged ear is threaded with the first screw shell and the second screw shell respectively, and first screw shell and the second screw shell structure it is identical, first screw shell and the second screw shell have been respectively fixedly connected with the first fixed link and the second fixed link far from one end of hinged ear, the lower surface of first fixed link is fixedly connected with locating piece, the lower surface of second fixed link, which corresponds to, offers through-hole at the position of locating piece.Operation of the present invention is convenient, so that steel plate removal surgery minimizes wound while taking out steel plate.
Description
Technical field
The present invention relates to disease treatment technical fields, more particularly to a kind of percutaneous positioning minimally invasive internal fixation steel plate screw of orthopaedics
Withdrawing device.
Background technique
Fracture is that the integrality of phalanges and continuity are interrupted.It is obvious for shifting at present, need row open reduction and Kirschner wire fixation
Patient is usually to carry out replacement and fixation to the bone block of fracture site by steel plate, screw, so that the bone block of dislocation is in steel plate spiral shell
It is closely joined together under the action of nail system, later by prolonged postoperative growth, the bone block of fracture grows new bone
Scab heals into together again.It generally requires to take out inside-fixture between Ineffective internal fixation 1-2, to avoid rejection etc..
Traditional steel plate removal surgery needs to cut the length that skin ranges are approximately equal to steel plate, same causing suffering to patient
When also will increase wound and extend patient's later period and restores the required time.
Summary of the invention
The purpose of the present invention is to solve prior art light plate removal surgeries can also while causing suffering to patient
The problem of increasing wound and extending recovery time patient's later period, and the percutaneous positioning minimally invasive internal fixation steel plate spiral shell of orthopaedics of one kind proposed
Follow closely withdrawing device.
To achieve the goals above, present invention employs following technical solutions:
A kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics, including identical first screw rod of structure and the
Graduation mark is equipped on the lateral wall of two screw rods, first screw rod and the second screw rod, first screw rod and the second screw rod are logical
It crosses hinged ear to be connected, and hinged ear is connected by bindiny mechanism with the first screw rod, first screw rod and the second screw rod are remote
One end from hinged ear is threaded with the first screw shell and the second screw shell, and the first screw shell and the second spiral shell respectively
The structure of line sleeve is identical, and first screw shell and the second screw shell have been respectively fixedly connected with far from one end of hinged ear
First fixed link and the second fixed link, the lower surface of first fixed link are fixedly connected with locating piece, second fixed link
Lower surface correspond to and offer through-hole at the position of locating piece, the upper surface of second fixed link is fixedly connected with fixed plate,
The fixed plate offers first sliding groove on the side wall far from the second screw shell, slidably connect in the first sliding groove and the
The first sliding block that one sliding slot matches, first sliding block offer limiting slot, the limit close to the side of first sliding groove slot bottom
It is inserted with screw in the slot of position, the slot bottom of the first sliding groove offers multiple equally distributed threaded holes, and threaded hole and screw
Match, the screw passes through one of threaded hole far from one end of limiting slot, and screw is threadedly coupled with threaded hole, described
First sliding block is fixedly connected with micromotor far from the side of first sliding groove slot bottom, and the output end of micromotor passes through shaft coupling
It is connected with screwdriver, and the cutter head of screwdriver is magnetic, the screwdriver is arranged across through-hole.
Preferably, the bindiny mechanism includes fixed block, and the fixed block is fixedly connected on the bottom of hinged ear, and described
The upper surface of one screw rod offer with the matched mounting groove of fixed block, and the lower surface of fixed block and the slot bottom of mounting groove offset,
The fixed block offers card slot far from the side of the first fixed link, and the side wall of the mounting groove is corresponded to and opened up at the position of card slot
There is sliding groove, the slot bottom of the card slot is fixedly connected with spring, and the other end of the spring is fixedly connected with and pocket matches
Fixture block, and fixture block is slidably connected with card slot, the fixture block passes through the notch of card slot far from one end of spring and extends to sliding groove
It is interior, and fixture block is slidably connected with sliding groove, slidably connects in the sliding groove and the matched movable block of sliding groove, the movement
Block is rotatably connected to threaded rod far from the side of fixture block, and the other end of the threaded rod runs through the slot bottom of sliding groove and extends to it
Outside, and threaded rod is threadedly coupled with the slot bottom of sliding groove.
Preferably, first screw rod and the second screw rod are fixedly connected to convex block far from one end of hinged ear, described convex
The lateral wall of block is rotatably connected to bearing, opens up that there are two phases on the inner wall of first screw shell and the second screw shell
Symmetrical second sliding slot, the lateral wall of the bearing be fixedly connected there are two with matched second sliding block of second sliding slot, and second
Sliding block is slidably connected with corresponding second sliding slot.
Preferably, the lower surface of the locating piece offers ball grooves, is equipped with ball in the ball grooves, the ball is remote
One end from ball grooves slot bottom passes through the notch of ball grooves and extends outwardly.
Preferably, third sliding slot, the lateral wall of the movable block are offered in the two sides opposing sidewalls of the sliding groove
On be fixedly connected there are two with the matched third sliding block of third sliding slot, and third sliding block is slidably connected with corresponding third sliding slot.
Preferably, the threaded rod is fixedly connected with handle far from one end of movable block.
Compared with prior art, the present invention provides a kind of minimally invasive internal fixation steel plate screws of percutaneous positioning orthopaedics to take out dress
Set, have it is following the utility model has the advantages that
1, this percutaneously positions the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and method, passes through the first screw rod of setting, the
Two screw rods, the first screw shell, the second screw shell, the first fixed link, the second fixed link, locating piece, micromotor and screw
Knife makes a mark line in patient skin, in the skin upper opening of label line position, will be connected with the first of locating piece and fixes
Bar is inserted into the opening on skin, makes locating piece along surface of steel plate sliding feed, locating piece slides into the spiral shell where steel plate screw
When in nail hole, locating piece will be unable to feed, and reads the number of division of the first screw rod high scale line at this time, is recorded, pass through adjusting
The distance between first screw rod and the first screw shell repeat aforesaid operations, to record the position on steel plate where all screws
Set, adjust the distance between the second screw rod and the second screw shell, be adjusted to record number of division it is identical, start be connected with spiral shell
The micromotor of silk knife, screwdriver is magnetic, so that the screw on steel plate is taken out, so that steel plate removal surgery is taking out the same of steel plate
When wound is minimized.
2, this percutaneously positions the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics, by setting the first screw rod, the second screw rod,
Hinged ear, fixed block, card slot, sliding groove, spring, fixture block, movable block and threaded rod rotate threaded rod, drive threaded rod rotation
The movable block of connection is slided towards the notch direction of sliding groove, is press-connected the fixture block of spring, is made fixture block towards the slot of card slot
First screw rod and the second screw rod can be separated quickly when fixture block sliding is detached from sliding groove, press connection by the sliding of bottom direction
There is the fixture block of spring, the fixed block for being connected with hinged ear is placed in the mounting groove of the first screw rod, by tension force of spring, by card
Block, which is sprung into, completes clamping in sliding groove, can quickly be attached the first screw rod and the second screw rod, facilitate the first screw rod with
Installation and removal between second screw rod.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, operation of the present invention
It is convenient, so that steel plate removal surgery minimizes wound while taking out steel plate.
Detailed description of the invention
Fig. 1 is a kind of structural representation of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics proposed by the present invention
Figure;
Fig. 2 is the enlarged drawing of part A in Fig. 1;
Fig. 3 is the enlarged drawing of part B in Fig. 1;
Fig. 4 is the enlarged drawing of C portion in Fig. 1.
In figure: 1 first screw rod, 2 second screw rods, 3 hinged ears, 4 first screw shells, 5 second screw shells, 6
First fixed link, 7 second fixed links, 8 locating pieces, 9 fixed plates, 10 first sliding grooves, 11 first sliding blocks, 12 limiting slots,
13 screws, 14 micromotors, 15 screwdrivers, 16 fixed blocks, 17 card slots, 18 sliding grooves, 19 springs, 20 fixture blocks, 21
Movable block, 22 threaded rods, 23 convex blocks, 24 second sliding slots, 25 second sliding blocks, 26 balls, 27 third sliding slots, 28 thirds
Sliding block, 29 handles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, a kind of minimally invasive internal fixation steel plate screw withdrawing device of percutaneous positioning orthopaedics and method, including structure phase
Graduation mark, the first screw rod 1 are equipped on the lateral wall of same the first screw rod 1 and the second screw rod 2, the first screw rod 1 and the second screw rod 2
It is connected with the second screw rod 2 by hinged ear 3, and hinged ear 3 is connected by bindiny mechanism with the first screw rod 1, the first screw rod 1
It is threaded with the first screw shell 4 and the second screw shell 5, and first respectively with second one end of screw rod 2 far from hinged ear 3
Screw shell 4 is identical with the structure of the second screw shell 5, and the first screw shell 4 and the second screw shell 5 are far from hinged ear 3
One end has been respectively fixedly connected with the first fixed link 6 and the second fixed link 7, and the lower surface of the first fixed link 6 is fixedly connected with positioning
Block 8, the lower surface of the second fixed link 7 correspond to and offer through-hole at the position of locating piece 8, and the upper surface of the second fixed link 7 is fixed
It is connected with fixed plate 9, fixed plate 9 offers first sliding groove 10, slides in first sliding groove 10 on the side wall far from the second screw shell 5
Dynamic to be connected with the first sliding block 11 to match with first sliding groove 10, the first sliding block 11 is opened up close to the side of 10 slot bottom of first sliding groove
There is limiting slot 12, screw 13 is inserted in limiting slot 12, the slot bottom of first sliding groove 10 offers multiple equally distributed threaded holes,
And threaded hole matches with screw 13, screw 13 passes through one of threaded hole far from one end of limiting slot 12, and screw 13 with
Threaded hole is threadedly coupled, and the first sliding block 11 is fixedly connected with micromotor 14 far from the side of 10 slot bottom of first sliding groove, and miniature
The output end of motor 14 is connected with screwdriver 15 by shaft coupling, and the cutter head of screwdriver 15 is magnetic, and screwdriver 15 passes through logical
Hole setting, makes a mark line in patient skin, in the skin upper opening of label line position, will be connected with the of locating piece 8
One fixed link 6 is inserted into the opening on skin, makes locating piece 8 along surface of steel plate sliding feed, locating piece 8 slides into steel plate screw
When in the screw hole at place, locating piece 8 will be unable to feed, and reads the number of division of 1 high scale line of the first screw rod at this time, is remembered
Record repeats aforesaid operations, owns to record on steel plate by adjusting the distance between the first screw rod 1 and the first screw shell 4
Position where screw adjusts the distance between the second screw rod 2 and the second screw shell 5, is adjusted to the number of division phase with record
Together, starting is connected with the micromotor 14 of screwdriver 15, and screwdriver 15 is magnetic, so that the screw on steel plate is taken out, so that steel
Plate removal surgery minimizes wound while taking out steel plate.
Bindiny mechanism includes fixed block 16, and fixed block 16 is fixedly connected on the bottom of hinged ear 3, the upper table of the first screw rod 1
Face offer with the matched mounting groove of fixed block 16, and the lower surface of fixed block 16 and the slot bottom of mounting groove offset, fixed block 16
Side far from the first fixed link 6 offers card slot 17, and the side wall of mounting groove corresponds to and offers sliding groove at the position of card slot 17
18, the slot bottom of card slot 17 is fixedly connected with spring 19, the other end of spring 19 be fixedly connected with the matched fixture block 20 of card slot 17,
And fixture block 20 is slidably connected with card slot 17, fixture block 20 passes through the notch of card slot 17 far from one end of spring 19 and extends to sliding groove
In 18, and fixture block 20 is slidably connected with sliding groove 18, slidably connected in sliding groove 18 with the matched movable block 21 of sliding groove 18,
Movable block 21 is rotatably connected to threaded rod 22 far from the side of fixture block 20, and the other end of threaded rod 22 runs through the slot bottom of sliding groove 18
And its outside is extended to, and threaded rod 22 is threadedly coupled with the slot bottom of sliding groove 18, threaded rod 22 is rotated, drives 22 turns of threaded rod
The movable block 21 of dynamic connection is slided towards the notch direction of sliding groove 18, is press-connected the fixture block 20 of spring 19, is made fixture block 20
It is slided towards the slot bottom direction of card slot 17, it, can be quickly by the first screw rod 1 and the when the sliding of fixture block 20 is detached from sliding groove 18
The separation of two screw rods 2, presses the fixture block 20 for being connected with spring 19, the fixed block 16 for being connected with hinged ear 3 is placed in the first screw rod 1
In mounting groove, by the tension of spring 19, fixture block 20 is sprung into and completes to be clamped in sliding groove 18, it can be quickly by the first screw rod 1
It is attached with the second screw rod 2, facilitates the installation and removal between the first screw rod 1 and the second screw rod 2.
First screw rod 1 and the second screw rod 2 are fixedly connected to convex block 23, the outside of convex block 23 far from one end of hinged ear 3
Wall is rotatably connected to bearing, opens up that there are two symmetrical second on the inner wall of the first screw shell 4 and the second screw shell 5
Sliding slot 24, the lateral wall of bearing be fixedly connected there are two with matched second sliding block 25 of second sliding slot 24, and the second sliding block 25 with
Corresponding second sliding slot 24 is slidably connected, and prevents the first screw rod 1 and the first screw shell 4 and the second screw rod 2 and the second thread bush
Cylinder 5 is detached from when adjusting.
The lower surface of locating piece 8 offers ball grooves, is equipped with ball 26 in ball grooves, ball 26 is far from ball grooves slot bottom
One end passes through the notch of ball grooves and extends outwardly, and reduces frictional force of the locating piece 8 when surface of steel plate is mobile.
Third sliding slot 27 is offered in the two sides opposing sidewalls of sliding groove 18, is fixedly connected on the lateral wall of movable block 21
There are two with the matched third sliding block 28 of third sliding slot 27, and third sliding block 28 is slidably connected with corresponding third sliding slot 27, anti-
Only movable block 21 and sliding groove 18 are detached from.
Threaded rod 22 is fixedly connected with handle 29 far from one end of movable block 21, facilitates the rotation of control threaded rod 22.
A mark line is made in patient skin, in the skin upper opening of label line position, the of locating piece 8 will be connected with
One fixed link 6 is inserted into the opening on skin, makes locating piece 8 along surface of steel plate sliding feed, locating piece 8 slides into steel plate screw
Screw hole in when, locating piece 8 will be unable to feed, read the position of 1 high scale line of the first screw rod at this time, pass through adjust first
The distance between screw rod 1 and the first screw shell 4 repeat to operate, thus record have on steel plate screw position, by the
The micromotor 14 of screwdriver 15 is connected in two fixed links 7, to take out the screw on steel plate.
In the present invention, a mark line is made in patient skin, in the skin upper opening of label line position, it is fixed to be connected with
Opening on the first fixed link 6 insertion skin of position block 8, makes locating piece 8 along surface of steel plate sliding feed, locating piece 8 slides
When in the screw hole where steel plate screw, locating piece 8 will be unable to feed, and read the scale of 1 high scale line of the first screw rod at this time
Number, is recorded, and by adjusting the distance between the first screw rod 1 and the first screw shell 4, aforesaid operations is repeated, to record
Position on steel plate where all screws adjusts the distance between the second screw rod 2 and the second screw shell 5, is adjusted to and records
Number of division it is identical, starting is connected with the micromotor 14 of screwdriver 15, and screwdriver 15 is magnetic, to take out the spiral shell on steel plate
Nail, so that steel plate removal surgery minimizes wound while taking out steel plate.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Utility model design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics, including identical first screw rod (1) of structure and
Second screw rod (2), which is characterized in that be equipped with graduation mark on the lateral wall of first screw rod (1) and the second screw rod (2), institute
It states the first screw rod (1) and is connected with the second screw rod (2) by hinged ear (3), and hinged ear (3) passes through bindiny mechanism and first
Bar (1) is connected, and one end of first screw rod (1) and the second screw rod (2) separate hinged ear (3) is threaded with first respectively
Screw shell (4) and the second screw shell (5), and the first screw shell (4) is identical with the structure of the second screw shell (5), institute
It states the first screw shell (4) and the second screw shell (5) and has been respectively fixedly connected with the first fixed link far from the one end of hinged ear (3)
(6) it is fixedly connected with locating piece (8) with the second fixed link (7), the lower surface of first fixed link (6), described second is fixed
The lower surface of bar (7) corresponds to and offers through-hole at the positions of locating piece (8), and the upper surface of second fixed link (7) is fixed to be connected
It is connected to fixed plate (9), is offered first sliding groove (10) on the side wall of the fixed plate (9) separate second screw shell (5), it is described
The first sliding block (11) to match with first sliding groove (10) is slidably connected in first sliding groove (10), first sliding block (11) is leaned on
The side of nearly first sliding groove (10) slot bottom offers limiting slot (12), is inserted with screw (13) in the limiting slot (12), described
The slot bottom of first sliding groove (10) offers multiple equally distributed threaded holes, and threaded hole matches with screw (13), the spiral shell
Nail (13) passes through one of threaded hole far from the one end of limiting slot (12), and screw (13) is threadedly coupled with threaded hole, described
First sliding block (11) is fixedly connected with micromotor (14) far from the side of first sliding groove (10) slot bottom, and micromotor (14)
Output end is connected with screwdriver (15) by shaft coupling, and the cutter head of screwdriver (15) is magnetic, and the screwdriver (15) passes through
Through-hole setting.
2. a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics according to claim 1, feature exist
It include fixed block (16) in, the bindiny mechanism, the fixed block (16) is fixedly connected on the bottom of hinged ear (3), and described
The upper surface of one screw rod (1) offers and fixed block (16) matched mounting groove, and the lower surface of fixed block (16) and mounting groove
Slot bottom offset, the fixed block (16) offers card slot (17), the side of the mounting groove far from the side of the first fixed link (6)
Wall corresponds to be offered sliding groove (18) at the positions of card slot (17), and the slot bottom of the card slot (17) is fixedly connected with spring (19),
The other end of the spring (19) is fixedly connected with and card slot (17) matched fixture block (20), and fixture block (20) and card slot (17) are sliding
Dynamic connection, the fixture block (20) pass through the notch of card slot (17) far from the one end of spring (19) and extend in sliding groove (18),
And fixture block (20) is slidably connected with sliding groove (18), slidably connects in the sliding groove (18) and sliding groove (18) matched shifting
Motion block (21), the movable block (21) are rotatably connected to threaded rod (22) far from the side of fixture block (20), the threaded rod (22)
The other end through sliding groove (18) slot bottom and extend to its outside, and the slot bottom screw thread of threaded rod (22) and sliding groove (18)
Connection.
3. a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics according to claim 1, feature exist
In first screw rod (1) and the second screw rod (2) are fixedly connected to convex block (23) far from the one end of hinged ear (3), described convex
The lateral wall of block (23) is rotatably connected to bearing, opens on the inner wall of first screw shell (4) and the second screw shell (5)
If there are two symmetrical second sliding slot (24), the lateral wall of the bearing is fixedly connected with that there are two match with second sliding slot (24)
The second sliding block (25), and the second sliding block (25) is slidably connected with corresponding second sliding slot (24).
4. a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics according to claim 1, feature exist
In the lower surface of the locating piece (8) offers ball grooves, is equipped with ball (26) in the ball grooves, the ball (26) is remote
One end from ball grooves slot bottom passes through the notch of ball grooves and extends outwardly.
5. a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics according to claim 2, feature exist
In being offered third sliding slot (27) in the two sides opposing sidewalls of the sliding groove (18), the lateral wall of the movable block (21)
On be fixedly connected there are two with the matched third sliding block (28) of third sliding slot (27), and third sliding block (28) and corresponding third cunning
Slot (27) is slidably connected.
6. a kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics according to claim 2, feature exist
In the threaded rod (22) is fixedly connected with handle (29) far from the one end of movable block (21).
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CN201810619691.1A CN108703801B (en) | 2018-06-15 | 2018-06-15 | A kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics |
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CN201810619691.1A CN108703801B (en) | 2018-06-15 | 2018-06-15 | A kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics |
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CN108703801B true CN108703801B (en) | 2019-11-12 |
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CN109742588A (en) * | 2018-12-29 | 2019-05-10 | 广州市译码电子科技有限公司 | A kind of data line being conveniently replaceable connector |
CN109945959A (en) * | 2019-04-11 | 2019-06-28 | 广州快速交通建设有限公司 | A kind of shallow foundation hole overhead vehicle counts weight equipment |
CN110226964B (en) * | 2019-07-09 | 2020-09-15 | 王海涛 | Screw extractor for disassembling bone fixing instrument |
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CN204500936U (en) * | 2015-03-12 | 2015-07-29 | 青岛市市立医院 | A kind of orthopedic screwdriver |
CN204814155U (en) * | 2015-06-29 | 2015-12-02 | 刘宜刚 | Orthopaedic nail removing device |
CN204839722U (en) * | 2015-06-29 | 2015-12-09 | 赵全明 | Nail ware is got to orthopedics |
CN204951142U (en) * | 2015-09-17 | 2016-01-13 | 张兴华 | Nail taking device used in orthopaedics department |
CN205107877U (en) * | 2015-11-17 | 2016-03-30 | 赵晔 | Get nail integral type nailing device in orthopedics |
CN206138185U (en) * | 2016-07-11 | 2017-05-03 | 程安妮 | Orthopedics is with screwdriver that can throw light on |
CN207323537U (en) * | 2017-01-21 | 2018-05-08 | 李金泉 | A kind of orthopaedics resistance to movement device for fetching nail |
CN207125785U (en) * | 2017-02-25 | 2018-03-23 | 郭宁 | A kind of nail taking out apparatus in orthopaedics of convenient regulation |
CN207152646U (en) * | 2017-03-08 | 2018-03-30 | 孙正明 | A kind of safe and reliable Orthopeadic Surgery device for fetching nail |
CN106821488A (en) * | 2017-04-07 | 2017-06-13 | 中国人民解放军总医院 | A kind of screw is fixed and takes out auxiliary sleeve |
CN107874826A (en) * | 2017-12-07 | 2018-04-06 | 何启新 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and its application method |
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