CN108836468A - A kind of orthopaedic screw clamping device - Google Patents
A kind of orthopaedic screw clamping device Download PDFInfo
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- CN108836468A CN108836468A CN201810744730.0A CN201810744730A CN108836468A CN 108836468 A CN108836468 A CN 108836468A CN 201810744730 A CN201810744730 A CN 201810744730A CN 108836468 A CN108836468 A CN 108836468A
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- clamping
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- 235000005121 Sorbus torminalis Nutrition 0.000 claims abstract description 21
- 244000152100 Sorbus torminalis Species 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 2
- 210000000988 bone and bone Anatomy 0.000 abstract description 8
- 238000001356 surgical procedure Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 210000002105 tongue Anatomy 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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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
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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)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention relates to bone surgery appliance technologies, in particular a kind of orthopaedic screw clamping device, including semicircle clamping cylinder I, semicircle clamping cylinder II and hinge, the semicircle clamping cylinder I, one end of semicircle clamping cylinder II is rotatablely connected by hinge, the semicircle clamping cylinder I, the outer surface of semicircle clamping cylinder II is mounted on along its axially vertical clamping limb, the semicircle clamping cylinder I, the inner surface of semicircle clamping cylinder II offers anti-skid chequer I, and inner surface is movably installed with clamping replacement portion, through-hole I is offered on the semicircle clamping cylinder I and/or semicircle clamping cylinder II, activity is inserted with check lock lever in the through-hole I, the clamping replacement portion is run through in the end of the check lock lever.Structure of the invention design is rationally, easy to use, can fixing screws be clamped and be replaced, and operation is made more to operate more quick and easy, the operating time greatly shortened and the labor intensity and operation difficulty that reduce medical personnel.
Description
Technical field
The present invention relates to bone surgery appliance technology, specially a kind of orthopaedic screw clamping device.
Background technique
It is frequently necessary to use fixation when currently, being fixedly connected with the orthopaedics reseting fixture such as piece or fixed plate in bone surgery
Screw when being fixed using fixing screws, is gripped screw and is easy to fall off, lead to hand due to fixing screws small volume
The art time extends, and when fixing screws are tightened in rotation, and the instrument and screw for gripping screw are easy to skid, rotary course
In be easy to cause screw loosening offset direction, operate time-consuming and laborious, considerably increase the difficulty of medical worker's surgical procedure.
As a kind of novel orthopaedics of Authorization Notice No. CN207236839U are clamped with screw clamping, including clamp handle, arc tong arm,
Cylinder, rotation clamping piece are pressed from both sides, the left and right clamp handle is hinged by hinged shaft, and the rear end of clamp handle is equipped with finger ring, hinged shaft front end
Clamp handle end is equipped with arc tong arm, and the end of arc tong arm is equipped with semicircular folder cylinder, rotation clamping piece is equipped in folder cylinder.This hair
Bright reasonable in design, easy to use, when operation, will not block surgical field of view, will not cause to interfere to surgical procedure,
Screw clamping is secured, and clamping piece is rotated when tightening screw to be rotated with screw, not will cause toner screw or deviation, saves
Operating time, reduces the operation difficulty of medical worker.But above scheme there is problems：(1) since two press from both sides
The opening degree of cylinder is limited by clamp handle opening angle, it is possible that will affect being put into for different size fixing screws, (2) due to
The fixing screws size squeezed into operation bone is different, so the spacing after two folder cylinders close is not able to satisfy to various sizes of
Screw clamping, (3) medical worker control the clamping to fixing screws using hand-held finger ring, be easy to cause fatigue for a long time, from
And clamping is caused to loosen, (4) are since ball and folder cylinder inner wall are rolled and connected, so once occurring loosening will lead to rotation clamping piece
The case where with Slipped bolt.
Summary of the invention
The purpose of the present invention is to provide a kind of orthopaedic screw clamping devices, to solve mentioned above in the background art ask
Topic.The orthopaedic screw clamping device is easy to use, is suitble to different size fixing screws install, is time saving and energy saving, saves operation
Time reduces the operation difficulty that medical worker tightens fixing screws.
To achieve the above object, the present invention provides the following technical solutions：
A kind of orthopaedic screw clamping device, including semicircle clamping cylinder I, semicircle clamping cylinder II and hinge, the semicircle folder
Hold cylinder I, one end of semicircle clamping cylinder II is rotatablely connected by hinge, the outer surface of the semicircle clamping cylinder I, semicircle clamping cylinder II
Be mounted on along its axially vertical clamping limb, the semicircle clamping cylinder I, semicircle clamping cylinder II inner surface offer anti-skid chequer
I, and inner surface is movably installed with clamping replacement portion, offers through-hole I on the semicircle clamping cylinder I and/or semicircle clamping cylinder II,
Activity is inserted with check lock lever in the through-hole I, and the clamping replacement portion is run through in the end of the check lock lever.
Preferably, the clamping replacement portion includes two groups of arc-like sheets, and the upper end of the arc-like sheet is fixed part, the arc
The inner surface of piece offers anti-skid chequer II identical with anti-skid chequer I, and through-hole identical with through-hole I is also provided on the arc-like sheet
II, the check lock lever is inserted into through-hole II by through-hole I, between for be threadedly coupled；The bottom of the fixed part is provided with convex
Slot, the semicircle clamping cylinder I, semicircle clamping cylinder II top open up fluted, the tongue is plugged in groove.
Preferably, the clamping limb includes flat segments and bending section, and the flat segments are separately mounted to semicircle clamping cylinder
I, the outer surface of semicircle clamping cylinder II, the bending section are fixed on the end of flat segments, on any one group in two groups of flat segments
Tight lock part is installed.
Preferably, the clamping limb is arranged close to the outer surface of the semicircle clamping cylinder I of hinge, semicircle clamping cylinder II.
Preferably, the clamping limb is mounted remotely from the outer surface of the semicircle clamping cylinder I of hinge, semicircle clamping cylinder II.
Preferably, the tight lock part includes thread barrel, and the both ends of the thread barrel are threaded with connecting rod I, described
The end of connecting rod I, which has, offers the slot I for grafting protrusion, institute with its integrated protrusion, the side of the flat segments
The upper surface for stating flat segments offers slot II for grafting protrusion.
Preferably, the bending section is outside sweep, and is set with Anti-slip cover.
Preferably, the screw thread at the thread barrel both ends is the screw thread of reverse manner.
Preferably, magnet block is installed in the slot I.
Compared with prior art, the beneficial effects of the invention are as follows：It is reasonable in design, it is easy to use, due to clamping
Arm and semicircle clamping cylinder I, II right angle setting of semicircle clamping cylinder, when operation, will not block surgical field of view, will not be to surgical procedure
It causes to interfere, anti-skid chequer I or anti-skid chequer II are adapted with the screw thread on fixing screws surface, to fixing screws firm grip, arc
Shape piece facilitates fixing screws to be clamped and replaced, and makes to perform the operation more flexible, and operation more fast, simply, conveniently, is contracted significantly
Short operating time and the labor intensity for reducing medical personnel, semicircle clamping cylinder I, semicircle clamping when tightening fixing screws
Cylinder II or arc-like sheet can rotate together with fixing screws, and check lock lever further prevents generating cunning when fixing screws rotate
It is dynamic, it not will cause toner screw or deviation, tight lock part can lock clamping limb and then rotate again to clamping limb, enable medical staff
Enough solutions, which are let go, holds caused fatigue with a firm grip for a long time to clamping limb and then generates loosening, influences fixing screws precession (out), section
Operating time has been saved, the operation difficulty of medical worker is reduced.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the schematic diagram for removing arc-like sheet in Fig. 1 of the present invention；
Fig. 3 is the schematic top plan view of the embodiment of the present invention 1；
Fig. 4 is the schematic diagram of Fig. 2 semicircle clamping cylinder I of the present invention, the opening of semicircle clamping cylinder II；
Fig. 5 is arc-like sheet schematic cross-sectional view of the present invention；
Fig. 6 is the schematic diagram of 1 tight lock part of the embodiment of the present invention；
Fig. 7 is the schematic diagram of slot I on clamping limb of the present invention；
Fig. 8 is the schematic diagram of the embodiment of the present invention 2；
Fig. 9 is the schematic diagram of Fig. 8 semicircle clamping cylinder I of the present invention, the opening of semicircle clamping cylinder II.
In figure：It is 1 semicircle clamping cylinder I, 2 semicircle clamping cylinders II, 3 anti-skid chequers I, 4 hinges, 5 clamping limbs, 50 flat segments, 51 curved
Tune, 52 Anti-slip covers, 53 slots I, 54 slots II, 6 tight lock parts, 60 thread barrels, 61 connecting rod, I, 62 protrusion, 7 check lock levers, 8 arcs
Shape piece, 80 fixed parts, 81 tongues, 82 anti-skid chequers II, 83 through-holes II, 9 grooves.
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.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment 1
Fig. 1~7 are please referred to, the present invention provides a kind of technical solution：
A kind of orthopaedic screw clamping device, including semicircle clamping cylinder I 1, semicircle clamping cylinder II 2 and hinge 4, the semicircle
Clamping cylinder I 1, semicircle clamping cylinder II 2 one end be rotatablely connected by hinge 4, the semicircle clamping cylinder I 1, semicircle clamping cylinder II 2
Outer surface be mounted on along its axially vertical clamping limb 5, the clamping limb 5 is arranged close to the semicircle clamping cylinder I of hinge 4
1, the outer surface of semicircle clamping cylinder II 2；It can be II 2 to semicircle clamping cylinder I 1, semicircle clamping cylinder by hand-held two groups of clamping limbs 5
Angle of release degree is controlled and is clamped, and semicircle clamping cylinder I 1, semicircle clamping cylinder II 2 can (for example corner of hinge 4 closes with hinge 4
Page, very little door hinge) it is that shaft rotates, rotational angle is being greater than 180 °, various sizes of screw can be suitble to be put into, at two groups
When clamping limb 5 clamps rotation/release screw, surgical field of view will not be blocked, surgical procedure will not be caused to interfere, the semicircle
Clamping cylinder I 1, semicircle clamping cylinder II 2 inner surface offer anti-skid chequer I 3, and inner surface is movably installed with clamping replacement portion, institute
Stating clamping replacement portion includes two groups of arc-like sheets 8, and the upper end of the arc-like sheet 8 is fixed part 80, and the inner surface of the arc-like sheet 8 is opened
Equipped with anti-skid chequer II 82 identical with anti-skid chequer I 3, through-hole II 83 identical with through-hole I, institute are also provided on the arc-like sheet 8
Check lock lever 7 is stated to be inserted into through-hole II 83 by through-hole I, between for be threadedly coupled；The bottom of the fixed part 80 is provided with convex
Slot 81, the semicircle clamping cylinder I 1, semicircle clamping cylinder II 2 top open up fluted 9, the tongue 81 is plugged on groove 9
Interior, two groups of arc-like sheets 8 are corresponding to be inserted in groove 9 by tongue 81 and is mounted on semicircle clamping cylinder I 1, on semicircle clamping cylinder II 2, and two
Group 8 bottom of arc-like sheet respectively corresponds the inner surface positioned at semicircle clamping cylinder I 1, semicircle clamping cylinder II 2；The semicircle clamping cylinder I 1
And/or through-hole I is offered on semicircle clamping cylinder II 2, activity is inserted with check lock lever 7, the end of the check lock lever 7 in the through-hole I
The clamping replacement portion is run through in portion, and anti-skid chequer I 3, anti-skid chequer II 82 are adapted with the screw thread on fixing screws surface, with fixing screws material
Matter is identical, closes when being fixedly clamped screw in semicircle clamping cylinder I 1, semicircle clamping cylinder II 2 in this way, anti-skid chequer I 3 can be tightly
Fixing screws surface is bitten, prevents fixing screws from sliding, or after installing arc-like sheet 8, anti-skid chequer II 82 can also be tightly
Fixing screws surface is bitten, prevents fixing screws from sliding, due to two groups of clamping limbs and semicircle clamping cylinder I 1, semicircle clamping cylinder II 2
It is inverted "L" shape so fixing screws are pierced and (squeezed into) into bone with vertically fixed angle vertically to fix, will not fall off or partially
Direction is moved, offers through-hole I on the semicircle clamping cylinder I 1 and/or semicircle clamping cylinder II 2, i.e., there are three types of situations：Semicircle clamping
Cylinder I 1, which offers, offers through-hole I or semicircle clamping cylinder I 1 and semicircle clamping cylinder II 2 on through-hole I or semicircle clamping cylinder II 2
On all offer through-hole I, through-hole opens up situation depending on particular condition in use, and the through-hole II 83 opens up situation and I phase of through-hole
Together, and through-hole II 83 is identical as I axial direction of through-hole, same axis is in, this ensure that check lock lever 7 can be entered by through-hole I
Through-hole II 83, and check lock lever 7 is to be threadedly coupled with through-hole I, through-hole II 83, as shown in Fig. 2, mounting means clamping limb 5 in this way
Inside can to semicircle clamping cylinder I 1, semicircle clamping cylinder II 2 clamping accomplish to be auxiliarily fixed, make the two fixation it is closer；Institute
Stating clamping limb 5 includes flat segments 50 and bending section 51, and the flat segments 50 are separately mounted to semicircle clamping cylinder I 1, semicircle clamping
The outer surface of cylinder II 2, the bending section 51 are fixed on the end of flat segments 50, install on any one group in two groups of flat segments 50
There is tight lock part 6, as shown in Figure 3,4, flat segments 50 make two clampings for placing to tight lock part 6, and by tight lock part 6
Arm 5 is fixed, and then so that medical staff's solution is let go and hold caused fatigue with a firm grip for a long time to clamping limb 5 and then generate pine
It is dynamic, it influences fixing screws precession (out), two bending sections 51 are bent outwardly, in this way in semicircle clamping cylinder I 1, semicircle clamping cylinder
II 2 can reserve certain operating space when being gradually closed, guarantee that the two can be preferably closed, and be that hand and clamping limb 5 exert a force
The better point of application is generated, the closure of the two is will not interfere with, fixing screws is made more preferably to place and (be in) semicircle clamping cylinder I 1, semicircle
Between clamping cylinder II 2, when semicircle clamping cylinder I 1, semicircle clamping cylinder II 2 stung by two clamping limbs 5 close conjunction after (or half
Arc-like sheet 8 is mounted in circle clamping cylinder I 1, semicircle clamping cylinder II 2), it is inside that fixing screws of the inside pass through check lock lever 7 again
Screw-in firmly resists fixing screws, and further fixing screws are fixed, and avoids when being rotated by clamping limb 5,
It is slided between fixing screws and anti-skid chequer I 3, such fixing screws will not loosen, firm grip, and screw will not fall off or partially
Direction is moved, depending on particular condition in use, two groups of arc-like sheets 8 are the different size of multiple groups, i.e. between two arc-like sheets 8 close afterwards
There are many carpenters squares cun, is adapted to various sizes of fixing screws, by taking cortex metal bone screw HA series as an example：Properly
The screw of the model of HA3.5 × 10：Screw diameter is 3.5mm, the screw of screw length 10mm, suitable HA4.5 × 20 model：Spiral shell
Nail diameter is 4.5mm, the screw of screw length 20mm, suitable HA6.5 × 95 model：Screw diameter is 6.5mm, screw length
For 95mm etc., arc-like sheet 8 is convenient to be clamped and is replaced to bone surgery difference size (diameter) fixing screws, makes operation more
Add flexibly, the labour for operating the operating time more fast, simply, conveniently greatly shortened and reducing medical personnel is strong
Degree.
The tight lock part 6 includes thread barrel 60, and the screw thread at 60 both ends of thread barrel is the screw thread of reverse manner, the spiral shell
The both ends of line cylinder 60 are threaded with connecting rod I 61, can be guaranteed using the screw thread of reverse manner when rotating thread barrel 60
Two connecting rods I 61 can carry out production contraction to inside/outside simultaneously, thus the release after clamping limb 5 is fixed/is fixed,
Achieve the purpose that lock/open by semicircle clamping cylinder I 1, semicircle clamping cylinder II 2, the end of the connecting rod I 61 has and it
Integrated raised 62, the side of the flat segments 50 offers the slot I 53 for grafting protrusion 62, the flat segments 50
Upper surface offers the slot II 54 for grafting protrusion 62；The bending section 51 is outside sweep, and is set with Anti-slip cover 52, institute
It states and magnet block is installed in slot I 53, when original state, upper two protrusions 62 of two connecting rods I 61 are inserted into slot I 53,
It is fixed on tight lock part 6 in flat segments 50, magnet block plays absorption to made of iron raised 62, prevents tight lock part 6 from falling off, works as needs
Tight lock part 6 is used, tight lock part 6 is removed, two protrusions 62 correspondence is inserted into slot II 54, rotation thread barrel 60 is until will be straight
Section 50 is completely fixed.Screw will not loosen in 5 rotary course of clamping limb in this way, firm grip, screw will not fall off or
Offset direction, screw rotation be screwed into it is more than half after, it is as preliminary fixed, screw can be unclamped, then further will using rotation instrument
Fixing screws are driven into bone completely, easy to use, time saving and energy saving, save operating time, are reduced medical worker and are tightened
The operation difficulty of fixing screws.
Embodiment 2
Fig. 6~7 are please referred to, the present invention provides a kind of technical solution, unlike the first embodiment：
The clamping limb 5 is mounted remotely from the outer surface of the semicircle clamping cylinder I 1 of hinge 4, semicircle clamping cylinder II 2.Due to two
A clamping limb 5 is in the opening of semicircle clamping cylinder I 1, semicircle clamping cylinder II 2, such mounting means, to semicircle clamping cylinder I 1,
Semicircle clamping cylinder II 2 be closed more laborsaving, and easily fixing screws are fixed by clamping limb 5, prevent itself and it is anti-
Sliding line I 3 (or anti-skid chequer II 82) generates sliding.
Semicircle clamping cylinder I 1, semicircle clamping cylinder II 2 are opened into certain angle in use, first passing through two clamping limbs 5, (or
Person is according to circumstances installed to semicircle clamping cylinder I 1, on semicircle clamping cylinder II 2 for two arc-like sheets 8 are corresponding) then by fixing screws
It is put into therebetween, then clamping again, which makes fixing screws sting tight (or anti-skid chequer II 82 is stung tightly) with anti-skid chequer I 3, to slide,
Then check lock lever 7 is inwardly screwed into again, one end is made firmly to resist fixing screws, further prevent fixing screws sliding in rotation
It is dynamic, then two protrusions 62 correspondence of two connecting rods I is inserted into slot II 54, rotation thread barrel 60 is until by flat segments 50
It is completely fixed, rotation then is set to indexing and tightens fixing screws, when fixing screws, which are not screwed into position, only remains clamped position,
Semicircle clamping cylinder I 1, semicircle clamping cylinder II 2 are opened and are detached from screw by clamping limb 5, and (using other orthopaedics tongs) continues to twist on screw
It is tight.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of orthopaedic screw clamping device, it is characterised in that：Including semicircle clamping cylinder I (1), semicircle clamping cylinder II (2) and
Hinge (4), the semicircle clamping cylinder I (1), semicircle clamping cylinder II (2) one end pass through hinge (4) be rotatablely connected, the semicircle
Clamping cylinder I (1), semicircle clamping cylinder II (2) outer surface be mounted on along its axially vertical clamping limb (5), the semicircle folder
Hold cylinder I (1), the inner surface of semicircle clamping cylinder II (2) offers anti-skid chequer I (3), and inner surface be movably installed with clamping replacement
Portion offers through-hole I on the semicircle clamping cylinder I (1) and/or semicircle clamping cylinder II (2), and activity is inserted in the through-hole I
The clamping replacement portion is run through in the end of check lock lever (7), the check lock lever (7).
2. a kind of orthopaedic screw clamping device according to claim 1, it is characterised in that：The clamping replacement portion includes two
Group arc-like sheet (8), the upper end of the arc-like sheet (8) are fixed part (80), the inner surface of the arc-like sheet (8) offer with it is anti-skidding
Line I (3) identical anti-skid chequer II (82) is also provided with through-hole II (83) identical with through-hole I on the arc-like sheet (8), described
Check lock lever (7) is inserted into through-hole II (83) by through-hole I, between to be threadedly coupled；The bottom of the fixed part (80) is arranged
Have tongue (81), the semicircle clamping cylinder I (1), semicircle clamping cylinder II (2) top open up fluted (9), the tongue
(81) it is plugged in groove (9).
3. a kind of orthopaedic screw clamping device according to claim 1, it is characterised in that：The clamping limb (5) includes flat
Straight section (50) and bending section (51), the flat segments (50) are separately mounted to semicircle clamping cylinder I (1), semicircle clamping cylinder II (2)
Outer surface, the bending section (51) is fixed on the end of flat segments (50), pacifies on any one group in two groups of flat segments (50)
Equipped with tight lock part (6).
4. a kind of orthopaedic screw clamping device according to claim 1, it is characterised in that：The clamping limb (5) is mounted on
Close to the outer surface of the semicircle clamping cylinder I (1) of hinge (4), semicircle clamping cylinder II (2).
5. a kind of orthopaedic screw clamping device according to claim 1, it is characterised in that：The clamping limb (5) is mounted on
The outer surface of semicircle clamping cylinder I (1), semicircle clamping cylinder II (2) far from hinge (4).
6. a kind of orthopaedic screw clamping device according to claim 3, it is characterised in that：The tight lock part (6) includes spiral shell
Line cylinder (60), the both ends of the thread barrel (60) are threaded with connecting rod I (61), and the end of the connecting rod I (61) has
With its integrated raised (62), the side of the flat segments (50) offers the slot I (53) for grafting raised (62), institute
The upper surface for stating flat segments (50) offers slot II (54) for grafting raised (62).
7. a kind of orthopaedic screw clamping device according to claim 3, it is characterised in that：The bending section (51) is excurvation
Song, and it is set with Anti-slip cover (52).
8. a kind of orthopaedic screw clamping device according to claim 6, it is characterised in that：Thread barrel (60) both ends
Screw thread is the screw thread of reverse manner.
9. a kind of orthopaedic screw clamping device according to claim 6, it is characterised in that：Installation in the slot I (53)
There is magnet block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744730.0A CN108836468B (en) | 2018-07-09 | 2018-07-09 | Orthopedic screw clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744730.0A CN108836468B (en) | 2018-07-09 | 2018-07-09 | Orthopedic screw clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108836468A true CN108836468A (en) | 2018-11-20 |
| CN108836468B CN108836468B (en) | 2020-11-10 |
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ID=64195934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744730.0A Expired - Fee Related CN108836468B (en) | 2018-07-09 | 2018-07-09 | Orthopedic screw clamping device |
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| CN (1) | CN108836468B (en) |
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|---|---|---|---|---|
| DE2521127A1 (en) * | 1975-05-13 | 1976-11-25 | Bode | Bone surgery extraction pliers - removes wire bundles from medullary canal after break heals without shearing or twisting |
| CN2296703Y (en) * | 1997-05-10 | 1998-11-11 | 东营市人民医院 | Screw driving pliers for bone operation |
| US20020032442A1 (en) * | 2000-06-09 | 2002-03-14 | Moti Altarac | Adjustable transverse connector for use with a spinal implant system |
| CN201008578Y (en) * | 2007-01-09 | 2008-01-23 | 朱瑜琪 | Screw nail removers for medical purpose |
| CN202525984U (en) * | 2012-01-04 | 2012-11-14 | 西北民族大学 | Multipurpose walnut hitting device |
| CN103505086A (en) * | 2013-09-06 | 2014-01-15 | 徐州格利尔科技有限公司 | Walnut clamp |
| CN105708532A (en) * | 2014-12-03 | 2016-06-29 | 吴锦丽 | Auxiliary spine internal fixation device and use method thereof |
| CN108186092A (en) * | 2018-01-28 | 2018-06-22 | 武汉光谷北宸医疗器械有限公司 | The Universal pedicle screw that undercut mark easily locks |
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| CN108836468B (en) | 2020-11-10 |
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