CN106109003A - A kind of Kirschner wire apparatus for bending - Google Patents
A kind of Kirschner wire apparatus for bending Download PDFInfo
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- CN106109003A CN106109003A CN201610699459.4A CN201610699459A CN106109003A CN 106109003 A CN106109003 A CN 106109003A CN 201610699459 A CN201610699459 A CN 201610699459A CN 106109003 A CN106109003 A CN 106109003A
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- kirschner wire
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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
- A61B17/8875—Screwdrivers, spanners or wrenches
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The invention provides a kind of Kirschner wire apparatus for bending, including needle-nose pliers, two holding pieces of described needle-nose pliers head form the jaw of clamping Kirschner wire, one of two holding pieces of jaw are for shaping pellet (6), described jaw side is provided with the contact applying bending power to the Kirschner wire that jaw is fixing, needle-nose pliers is as rotary shaft, the overcoat being set in rotary shaft is arranged to the contact (3) of Kirschner wire applying bending power around rotary shaft rotation, and contact (3) rotates the Kirschner wire of two holding pieces clampings around shaped core block (6) bending to shaping pellet (6) direction.This disposably orthopaedics draw point bending being scraped disconnected device, it is applicable to scrape draw point disconnected case；Present invention also offers a kind of will only can be by the device of draw point bending, owing to making the power of draw point bending much smaller than scrape disconnected power, therefore it is the highest to material requirements, and cost of manufacture is low, is applicable in the case that orthopaedics draw point only needs bending.
Description
Technical field
The bending that the present invention relates to a kind of surgical parts and the cropper blocked thereof, particularly relate to a kind of orthopaedics kirschner
Disconnected device is scraped in the bending of pin and bending.
Background technology
The Kirschner wire that conventional Kirschner wire is fixed as knochenbruch docking in bone surgery, general Kirschner wire is on 20 centimeters of left sides
The right side, diameter has different several specifications between 0.5～4 millimeter.For fixing short and small fracture or avulsion fracture iso-stress not
Big fracture fixation, be also commonly used in bone surgery interim sclerite fixing in.Can be according to docking skeleton in operation
Size, is cut out Kirschner wire, is then inserted by Kirschner wire in the skeleton boring sky and is fixed, and is exposed by bending Kirschner wire
Outside skeleton, cannot take out in the future to prevent the backshank staying bone surface from stinging out skin or to submerge surface of bone.The most often application is held
Pin device or binding clip complete bending work, the most relatively time-consuming arduously, the handle in Publication No. CN87212315U patent is necessary
Rotation turnback can be by Kirschner wire bending, and in Forging Process, the side plane of pressing block contacts with Kirschner wire all the time so that
Whole lever length is oversize, uses very inconvenient, so, currently without Kirschner wire once being rolled over for required angle
The lever of degree, more dare not want to use lever to proceed to block Kirschner wire.A upper patent of our company's application, due to
Being that Kirschner wire is carried out spacing by fixing groove, during bending is scraped and broken, Kirschner wire is easily deviate from；When fixing groove is as rotary shaft
Time, fixing groove two Side Volume is the least, is difficult to continue to arrange additional holder on fixing groove.
Summary of the invention
The present invention solve Kirschner wire bending or scrape disconnected during, Kirschner wire is continuously applied the technical problem of chucking power.
A kind of Kirschner wire apparatus for bending, including needle-nose pliers, two holding pieces of described needle-nose pliers head form clamping Kirschner wire
Jaw, one of two holding pieces of jaw are for shaping pellet, and the Kirschner wire that described jaw side is provided with to jaw is fixing applies folding
The contact of curved power, needle-nose pliers as rotary shaft, is set in the overcoat of rotary shaft and arranges and apply the contact of bending power to Kirschner wire and enclose
Rotating around rotary shaft, contact rotates the Kirschner wire of two holding piece clampings around shaped core block bending to shaped core Block direction.
Described Kirschner wire apparatus for bending, one of described two holding pieces of jaw are for shaping pellet, on another holding piece of jaw
If jaw stopper slot, jaw stopper slot prevents Kirschner wire abjection in Forging Process with shaping when pellet coordinates clamping Kirschner wire.
Described Kirschner wire apparatus for bending, described contact presses the position of Kirschner wire and sets contact stopper slot, prevents bending
In journey, Kirschner wire is deviate from from contact.
Described Kirschner wire apparatus for bending, on described contact for scrape cut Kirschner wire scrape cutting blade with shape pellet formation scrape
Otch.
Described Kirschner wire apparatus for bending, the head of described needle-nose pliers applies bending as rotary shaft, overcoat to Kirschner wire
The contact of power rotates around rotary shaft, and the head i.e. rotary shaft for needle-nose pliers makes the surface of revolution, the outer sheathed sleeve pipe of the surface of revolution, sleeve pipe
Fixed contact.
Described Kirschner wire apparatus for bending, the described surface of revolution forms tapered profiles, and outside tapered profiles, socket coordinates with it
Sleeve pipe so that the jaw of the head of needle-nose pliers can open receiving Kirschner wire, sleeve pipe fixed contact；Described internal surface of sleeve pipe sets taper
Groove, the shape of cone tank can accommodate the holding piece of the side of two holding pieces opened, described in two holding pieces opening, for
The open configuration of two holding pieces can accommodate Kirschner wire.
Described Kirschner wire apparatus for bending, the described surface of revolution forms tapered profiles, and outside tapered profiles, socket coordinates with it
Sleeve pipe so that the jaw of the head of needle-nose pliers can open receiving Kirschner wire, refers to that one of two holding pieces of jaw are for surface of revolution shape
Tapered profile, the holding piece forming tapered profiles sets slotted eye, and this slotted eye accommodates another holding piece so that the head of needle-nose pliers
Jaw can open receiving Kirschner wire.
Described Kirschner wire apparatus for bending, the line of the axis of described contact center to rotary shaft and cone tank center are to rotation
The line of the axis of rotating shaft forms angle α；Described contact against the position of Kirschner wire, the company of the axis of contact center to rotary shaft
Line opens direction formation angle β with comprising the holding piece shaping pellet；α ＞ β.
Described Kirschner wire apparatus for bending, described sleeve pipe arranges and pulls handle, pulls handle and is contact and scrapes cutting blade and carry
Supply bending power and scrape disconnected power.
Disconnected device is scraped in described Kirschner wire bending, and the side of described needle-nose pliers arranges and pulls the fixing hands that handle coordinates
Handle, pulls handle and coordinates the handle being to hold for a pair with fixed handle, and wherein pulling handle is hinged two section, leading portion and after
Section, hinged by limit hinge between leading portion and back segment.
Prior art uses binding clip, first vises draw point often, then exert oneself its bending again under the state of vising, take
Time laborious；The present invention not only provides and a kind of disposably orthopaedics draw point bending is scraped disconnected device, and it is applicable to draw point
Scrape disconnected case；Additionally provide a kind of by only can be by the device of draw point bending, owing to the power making draw point bending is disconnected much smaller than scraping
Power, therefore it is the highest to material requirements, and cost of manufacture is low, is applicable in the case that orthopaedics draw point only needs bending.Prior art
Middle employing binding clip, first vises often Kirschner wire, then under the state of vising again with another pliers by its bending, time-consuming take
Power, Kirschner wire is clamped initially with binding clip, meets and generally clamp custom by the present invention, and then employing bending Gua Qie mechanism is by rotating
The shifting block that axle rotates is stirred Kirschner wire and is coiled into core block and is bent to form required hook-shaped elbow, if length after Kirschner wire bending
Properly, then just take off apparatus for bending, if length is long after Kirschner wire bending, continues rotation and Kirschner wire is scraped disconnected, scrape and cut through
Cheng Zhong, clamps Kirschner wire all the time；Holder one side arranges stopper slot, facilitates bending to scrape abjection of having no progeny；Ratchet spanner is set, folding
It is curved that to scrape disconnected process laborsaving.
Accompanying drawing explanation
Fig. 1 is the holder expanded configuration schematic diagram of the present invention；Fig. 2 is the holder Guan Bi of the present invention, scrapes cutting blade and become
Core block side forms one and scrapes notch features schematic diagram；Fig. 3 is that Fig. 1 holder clamps Kirschner wire schematic diagram；Fig. 4 is the present invention
Taper sheath pipe box cone spindle and taper fix spacing shelves ring sectional structure schematic diagram；Fig. 5 is needle-nose pliers structural representation
Figure；Fig. 6 is the sleeve pipe of the present invention or taper is fixing pulls handle arrangement schematic diagram；Fig. 7 is the Kirschner wire folding of the present invention
Schematic diagram during curved；Fig. 8 is needle-nose pliers detonation configuration schematic diagram；Fig. 9 is that the present invention only can the structural representation of apparatus for bending；
Figure 10 is only can to provide bending power structural representation by apparatus for bending hydraulic cylinder；Figure 11 is only can to provide bending power by apparatus for bending cam
Structural representation；Figure 12 is only can to provide bending power structural representation by apparatus for bending jaw；Figure 13 is bending of the present invention and scrapes disconnected
The structural representation of device；Figure 14 is bending and scrapes disconnected device hydraulic cylinder offer bending power structural representation；Figure 15 be bending and
Scrape disconnected device cam and bending power structural representation is provided；Figure 16 is bending and scrapes the offer bending power structural representation of disconnected device jaw
Figure；Figure 17 is that screw rod clamping draw point structural representation is stretched out in locating slot side；Figure 18 is being shaped as and kirschner of contact stopper slot
The convex structure schematic diagram that pin coordinates；Figure 19 be contact stopper slot be shaped as scrape cutting blade and formed bevelled junction by outside to inner side
Structure schematic diagram；Figure 20 is that internal surface of sleeve pipe sets cone tank structural representation；Figure 21 is the contact center line to the axis of rotary shaft
Angle α schematic diagram is formed with the line of the axis at cone tank center to rotary shaft；Figure 22 is the contact position against Kirschner wire, touches
Head center opens formation angle β schematic diagram in direction to the line of the axis of rotary shaft with comprising the holding piece shaping pellet；Figure 23
It is the side setting of needle-nose pliers and the structural representation pulling the fixed handle that handle coordinates.
Detailed description of the invention
A kind of Kirschner wire apparatus for bending, such as Fig. 1 Fig. 2 Fig. 3 Fig. 4, including Needle-nose pliers , two holding pieces of described needle-nose pliers head
Forming the jaw of clamping Kirschner wire, one of two holding pieces of jaw are for shaping pellet 6, and described jaw side is provided with to be fixed to jaw
Kirschner wire apply bending power contact, needle-nose pliers is as rotary shaft, and this rotary shaft can be cylinder, it is also possible to for circular cone
Body, it is possible to making to be provided with the contact 3 to Kirschner wire applying bending power and rotate just around holder 1, namely contact 3 is around rotation
Axis of rotation, the overcoat being set in rotary shaft is arranged to the contact 3 of Kirschner wire applying bending power around rotary shaft rotation, contact 3
Rotate the Kirschner wire of two holding pieces clamping around shaped core block 6 bending to shaping pellet 6 direction, contact 3 oppress Kirschner wire around
Shape pellet 6 bending.If smooth pliers, the smooth pliers head outline closing clencher mouth can be set to cylinder as cylinder
Rotary shaft, the overcoat being set in column rotating shaft can be tubulose, it is also possible to be ring-type；If needle-nose pliers, clencher can will be closed
Mouthful needle-nose pliers head outline be set to vertebral body as vertebra shape rotary shaft, the overcoat being set in vertebra shape rotary shaft can be vertebra
Pipe, it is also possible to be inwall be the ring of taper；But the rotating shaft of needle-nose pliers can not be taper, such as Fig. 4 is at needle-nose pliers jointed shaft
It is secondary that position arranges the rotary rail with needle-nose pliers centrage as axis, and annular groove 3029 constitutes relative rotation with annular convex ring 3028
Turn guideway.
One of described two holding pieces of jaw, for shaping pellet 6, another holding piece of jaw set jaw stopper slot 5, pincers
Mouth stopper slot 5 prevents Kirschner wire abjection in Forging Process with shaping when pellet 6 coordinates clamping Kirschner wire.Only at side holding piece
If the reason of stopper slot 5, it is because the Kirschner wire after bending 80, against two faces or three faces, the Kirschner wire that shape pellet 6
The Kirschner wire 80 of bending, against when shaping 6 three faces of pellet, is scraped and is had no progeny by 80, needs to deviate from from shaping pellet 6, if shaped core
Block 6 clamps the face of Kirschner wire and sets groove, is unfavorable for that Kirschner wire is deviate from from shaping pellet 6, of course, it is possible to set shaping pellet 6 side
Meter draw taper, it is simple to shaping pellet 6 is scraped disconnected Kirschner wire 80 with bending and departed from；Kirschner wire 80 is against shaping 6 two faces of pellet
Time, the face of Kirschner wire can be clamped set groove shaping pellet 6, the most only bending 90 degree, remain able to Kirschner wire from one-tenth
Core block is deviate from.
The position that described contact 3 presses Kirschner wire sets contact stopper slot 31, prevents Kirschner wire in Forging Process from taking off from contact 3
Go out.When needing only to bending, such as Figure 18, the arc-shaped being shaped as coordinating with Kirschner wire of contact stopper slot 31；When needing
When scraping disconnected, as Figure 19 contact stopper slot 31 be shaped as scrape cutting blade 4 and formed by outside to inner side reverse with contact 3 moving direction
Inclination, so, scrape while cutting blade 4 scrapes and cut Kirschner wire, limit Kirschner wire abjection.
Cut scraping cutting blade 4 and scraping otch such as Fig. 2 with shaping pellet 6 and being formed of Kirschner wire for scraping on described contact 3, contact 3 by
After Kirschner wire bending, scrape cutting blade 4 along scraping otch continuation rotation and the Kirschner wire of clamping is scraped cut-out.This situation shapes pellet 6 to be needed
Bearing huge shearing force or pressure, when Kirschner wire needs bending 90 degree scraping to cut, shaping pellet 6 has the knot of a cantilever
Structure, shaping pellet 6 needs to bear huge shearing force；When Kirschner wire need to roll over U-shaped curved and scrape cut time, shape pellet 6 by U-shaped gram
While family name's pin, shaping pellet 6 needs to bear huge pressure, during test, by shaping pellet 6 heat treatment that material is 4Cr13
For hardness 61, during bending 4mm diameter Kirschner wire, the shaping pellet 6 of 4Cr13 is crushed；During so using 4Cr13 material, hardness
Be 51 to 55.For scraping shaping pellet 6 side 61 scraping cutting blade 4 and holder 1 one side end cutting Kirschner wire on contact 3
Otch such as Fig. 2 is scraped in formation, scrapes cutting blade 4 and continues to rotate along scraping otch, scrapes and cut Kirschner wire during rotation, until scrape cutting blade 4 with
Shape pellet 6 side 61 and contact (can also be apart from the shortest so that Kirschner wire disconnects just), the Kirschner wire of clamping is scraped cut-out.
Disconnected device, the end of said two holding piece are scraped in described Kirschner wire bending, and another holding piece is set as core
Block 6, contact 3 is after Kirschner wire applying bending power makes Kirschner wire surround into core block 6 bending, and shaping pellet 6 is cylinder, contact 3
Upper cut scraping cutting blade 4 and scraping otch with shaping pellet 6 side and being formed of Kirschner wire for scraping, formed scrape the shaping of otch with scraping cutting blade 4
The side of pellet 6, can be the intersection 61 shaping 6 two sides of pellet, it is also possible to the circle being with scraping cutting blade 4 and rotate path concentric
Cambered surface, such as figure shape the side arc surface of pellet 6, scrapes cutting blade 4 along scraping otch continuation rotation and the Kirschner wire of bending is scraped cut-out.
The shape shaping pellet 6 is corresponding with the negative camber that Kirschner wire bends or inner curve, and described negative camber or inner curve are equivalent to
The Internal periphery shape of crotch.
The head of described needle-nose pliers turns around rotary shaft as rotary shaft, the contact 3 that overcoat applies bending power to Kirschner wire
Dynamic, the head i.e. rotary shaft for needle-nose pliers makes the surface of revolution, the outer sheathed sleeve pipe 302 of the surface of revolution, sleeve pipe 302 fixed contact 3.Point mouth
The holding piece of clamp head part is folding clamping handling Kirschner wire in sleeve pipe 302.Now, such as Fig. 1, two folding parts of holder 1
Opening, Kirschner wire 80 is as in opening, then, two folding members closes of holder 1, groove 5 as limited in Fig. 3 Kirschner wire 80
Clamping with shaping pellet 6 corresponding side surface, contact 3 is resisted against on Kirschner wire, rotary contact 3, and contact 3 is oppressed Kirschner wire 80 and bent,
Kirschner wire 80 bending is scraped cut to required bending shape, intersection 61 formation scraped cutting blade 4 with shape 6 two sides of pellet of contact 3
Mouthful, continuing rotary contact 3, Kirschner wire 80 is scraped cut-out by the cutting blade 4 of scraping of contact 3, and then, two folding parts open, shaped core
Block 6 and bending are scraped disconnected Kirschner wire 80 and are departed from.
Disconnected device is scraped in described Kirschner wire bending, and the outside of said two holding piece forms tapered profiles, end diameter phase
In the case of Tong, tapered profiles can bear bigger moment of torsion so that the diameter of end is the least；Tapered profiles overcoat female connector
Pipe 302, sleeve pipe 302 connects fixed contact 3.The Internal periphery of described sleeve pipe 302 and the outside of two holding pieces form tapered profiles
Coupling, certainly, if the outside of two holding pieces forms cylinder, then the Internal periphery of sleeve pipe 302 is the pipe of coupling, sleeve pipe
The outline of 302 can be tapered profiles, it is also possible to be cylindrical outline.
The described surface of revolution forms tapered profiles, outside tapered profiles, and the sleeve pipe 302 that socket coordinates with it so that needle-nose pliers
The jaw of head can open receiving Kirschner wire, sleeve pipe 302 fixed contact 3；Described sleeve pipe 302 inwall sets cone tank 3025 such as figure
20, the shape of cone tank 3025 can accommodate the holding piece of the side of two holding pieces opened, described in two clampings opening
Sheet, is that the open configuration of two holding pieces can accommodate Kirschner wire.
As described in Fig. 5 Fig. 8, the surface of revolution forms tapered profiles, outside tapered profiles, and the sleeve pipe 302 that socket coordinates with it so that
The jaw of the head of needle-nose pliers can open receiving Kirschner wire, refers to that one of two holding pieces of jaw form taper cone pulley for the surface of revolution
Exterior feature, the holding piece forming tapered profiles sets slotted eye 62, and this slotted eye 62 accommodates another holding piece 63 so that the pincers of the head of needle-nose pliers
Mouth can open receiving Kirschner wire.So surface of revolution is substantially complete, and only disappearance slotted eye 62 part, makes rotation more firm.
The slotted eye 62 of described formation tapered profiles holding piece is two axis holes 64 at rotating shaft position, and another holding piece is in rotating shaft
Position is an axis hole 65, and rotating shaft 66 is through two axis holes 64 and an axis hole 65.
Disconnected device is scraped in Kirschner wire bending as described in Figure 4, and described sleeve pipe 302 arranges spacing shelves ring 3021, scrape cut time, limit
Position shelves ring 3021 prevents sleeve pipe 302 from deviating from from tapered profiles holder 1 with taper surface jointly.Certainly holder 1 is outside permissible
If annular boss or annular recess, sleeve pipe 302 inner surface coupling annular recess or annular boss, prevent sleeve pipe 302 from folder
Deviate from gripping member 1.
The described peripherally disposed groove of sleeve pipe 302 3029, described formation tapered profiles holding piece is right with groove 3029
Answering position to fix limited post 3028, limited post 3028 prevents sleeve pipe 302 from deviating from from tapered profiles holder 1.
The described peripherally disposed groove of sleeve pipe 302 3029, described formation tapered profiles holding piece is right with groove 3029
Answering position to fix position limiting slide block 3027, limit slide block 3027 prevents sleeve pipe 302 from deviating from from tapered profiles holder 1.
Disconnected device is scraped in Kirschner wire bending as described in Fig. 4 Fig. 5, and the holder 1 of described clamping Kirschner wire is needle-nose pliers, Fig. 4
The shape of display needle-nose pliers section view, but this needle-nose pliers is of two parts being hinged, along common needle-nose pliers hinge
Two ends, arrange the revolving body with this parts mouth outline, reserve the groove movable for another hinge member so that needle-nose pliers
Two holding pieces of the jaw of head are holder 1 and clamp two holding pieces of Kirschner wire, the limit of two holding piece ends of jaw
Position groove 5 clamps Kirschner wire with shaping pellet 6, and the holding handle 10 of needle-nose pliers provides chucking power.
Described contact 3 center is to line and cone tank 3025 center of the axis of rotary shaft to the line of the axis of rotary shaft
Form angle α such as Figure 21；2, described contact 3 is against the position of Kirschner wire, the line at contact 3 center to the axis of rotary shaft and bag
Open direction containing the holding piece shaping pellet 6 and form angle β such as Figure 22；α ＞ β.Such as Figure 21, described contact 3 center A point is to rotation
The line of the axes O point of axle forms included angle A OB i.e. α with the line of cone tank 3025 central point to the axes O point of rotary shaft, such as figure
22, contact 3 scrape the cutting blade 4 position against Kirschner wire, the line of the axes O point of contact 3 central point A to rotary shaft with comprise into
The holding piece of core block 6 opens direction OC and forms included angle A OC i.e. β；When OB with OC overlaps, cone tank 3025 is just to comprising shaping
The holding piece of pellet 6, when jaw opens, the holding piece comprising shaping pellet 6 inserts cone tank 3025, due to α ＞ β, so
Contact 3 leaves Kirschner wire, and Kirschner wire is inserted latter two holding piece of jaw clamping Kirschner wire, and two holding piece outlines can make
Sleeve pipe 302 rotates, and limits jaw and opens, and such as two holding piece outlines form tapered profiles, contact 3 rotate against gram
Family name's pin, cone tank 3025 just misplaces with the holding piece comprising shaping pellet 6, and the sleeve pipe 302 that corresponding holding piece is misplaced is locked,
Limiting jaw to open, the handle simultaneously making needle-nose pliers is laborsaving.
Disconnected device is scraped in Kirschner wire bending as described in Figure 6, and described sleeve pipe 302 arranges and pulls handle 3022, pulls handle
3022 for contact 3 and scrape cutting blade 4 and provide bending power and scrape disconnected power.So, the holding handle 10 of needle-nose pliers provides chucking power also
Fixing needle-nose pliers, pulling handle 3022 provides bending to scrape disconnected power, now, is generally adapted diameter 2mm and following Kirschner wire.
Disconnected device is scraped in Kirschner wire bending as described in Figure 7, and the side of described needle-nose pliers 10 arranges and pulls handle 3022 and join
The fixed handle 3023 closed, pulls handle 3022 and coordinates, with fixed handle 3023, the handle being to hold for a pair.Owing to pulling handle
3022 coordinate, with fixed handle 3023, the handle being to hold for a pair, and the holding handle 10 of needle-nose pliers is not the most pulled handle 3022
There is provided bending to scrape the impact of disconnected power, now, be generally adapted the Kirschner wire of diameter 2mm-4mm.
The side of needle-nose pliers 10 arranges and pulls the fixed handle 3023 that handle 3022 coordinates as described in Figure 23, pulls handle
3022 coordinate, with fixed handle 3023, the handle being to hold for a pair, and wherein pulling handle 3022 is hinged two section, leading portion 30221
With back segment 30222, hinged by limit hinge 30223 between leading portion 30221 and back segment 30222.Owing to hanging the angle to be rotated that is essential
Degree reaches 50 °, and more than 300 millimeter of long handle end is wider, and a hands can not be held, so being set to such as Figure 23 structure, spacing
Hinge 30223 limits the relative leading portion 30221 in Figure 23 posterior segment 30222, and hold with a firm grip back segment 30222 and fixed handle 3023, for contact 3
And scrape cutting blade 4 and provide that to scrape disconnected power, back segment 30222 and fixed handle 3023 close together, when holding laborious, leading portion of holding with a firm grip
30221 and fixed handle 3023, for contact 3 and scrape cutting blade 4 and continue offer and scrape disconnected power.
Disconnected device is scraped in described Kirschner wire bending, described in pull handle 3022 be ratchet spanner, described sleeve pipe 302 and ratchet
The profile at the position that spanner coordinates is the nut profile coordinated with ratchet spanner.It is ratchet spanner owing to pulling handle 3022, makes
With more convenient.
Kirschner wire bending is scraped the explanation of blanking method by the present invention, is referred to described Kirschner wire bending and scrapes the enforcement of disconnected device
Mode.
A kind of draw point apparatus for bending, as shown in Figure 9, Figure 10, including the locating slot 101 of locating steel needle, sets above locating slot 1
Oriented draw point applies the contact 103 of bending power, this contact 103 sets and scrapes cutting blade 104 for bending draw point；Locating slot 101
Side arranges draw point bending to needing the bending backing plate 105 of angle, and on the right side of bending backing plate 105, height is less than moving to above draw point
Contact 103 on the distance scraping at least one draw point diameter of cutting blade 104, bending backing plate 105 upper surface with move to top
Scrape cutting blade 104 and at least keep the distance of a draw point diameter.Bending power is formed between contact 103 and the corresponding side of locating slot 1 mouthful,
I.e. form bending power, by draw point bending on the right side of contact 103 and bending backing plate 105.Change and bending pad along with supporting steel pin mark
The change of plate angle, can roll over the bending for different angles by draw point.
Setting guide rail between contact 103 and locating slot 101 and pay 1010, the movement so making contact is more straight, and locating slot 1 is located at machine
On frame 10502, fixative cylinder pressure 108 in frame 10502, piston head 10801 fixed contact 103 of hydraulic cylinder 108.
When the present invention uses, first draw point is positioned, refer to be clamped in by draw point and draw point diametric fit by draw point location
In loose slot in locating slot or as shown in figure 17, enable draw point to resist bending power, expose the one end needing bending, apply bending
The contact 103 of power applies bending power along the rectilinear direction with the central axial formation angle of locating slot 101 to draw point, due to folding
On the right side of curved backing plate 105 compared with on contact to scrape cutting blade low, therefore when scraping cutting blade and moving to prominent draw point, by draw point bending, steel
It is padded on after pin bending on spacing backing plate, owing on the left of spacing backing plate, height and the cutting blade 104 of scraping moving to top at least keep one
The distance of individual draw point diameter, therefore scrapes cutting blade and draw point can only be continued bending and can not be scraped disconnected.Owing to making draw point bending
Power is much smaller than scraping disconnected power, and therefore this device is the highest to material requirements, and cost of manufacture is low, is applicable to orthopaedics draw point and only needs bending
In case.
As shown in figure 11, described contact 103 is promoted by cam 109 and carries out bending.
As shown in figure 12, the binding clip 10101 termination end face that described locating slot 101 is located in jaw 1010, bending is touched
103 are arranged on another side, binding clip 10102 termination, and two binding clips close up draw point bending, and bending power is that two binding clips close
The power in circular arc line direction when holding together, draw point applied.
A kind of draw point bending can be scraped disconnected device, as shown in Figure 13 ~ 16, with above-mentioned only can be by the dress of draw point bending
Unlike putting, on the right side of described bending backing plate 105 height less than on the contact 103 moving to above draw point scrape cutting blade 104 to
The distance of a few draw point diameter, connects spacing backing plate 102 on the left of bending backing plate 105, spacing backing plate 102 upper surface with move to
Top scrape cutting blade contacts, formed and scrape otch, the draw point of bending is scraped cut-out, along with change and the bending backing plate of supporting steel pin mark
With the change of spacing backing plate angle, draw point folding for the bending of different angles and can be scraped cut-out.The present invention is used to be rolled over by draw point
Curved scrape to cut include following step:
(1) being positioned by draw point, draw point exposes needs bending to scrape the one end cut；
(2) apply bending power in the one end needing bending to scrape to cut, by draw point bending；
(3) bending is limited continuation bending to the draw point after needing angle；
(4) continue to scrape shear force draw point is scraped cut-out by scraping cutting blade.
(refer to be clamped in by draw point and the locating slot of draw point diametric fit by draw point location particularly as follows: first positioned by draw point
In or loose slot as shown in figure 17 in, enable draw point to resist bending power and to scrape shear force), expose the one end needing bending, by touching
103 apply the side force of locating slot side surface direction by draw point bending to draw point, and the draw point after bending is padded on spacing backing plate 105
On, the cutting blade 104 of scraping on contact 103 continues to scrape shear force draw point is scraped cut-out.
Such as Figure 13, shown in 14 and 15, apply straight along with the central axial formation angle of locating slot of the contact of bending power
Line direction applies bending power to draw point, scrapes the continuity of the bending power that shear force is rectilinear direction.
As shown in figure 16, the binding clip termination 10101 draw point being positioned in two binding clips, the bending power in step 2
For another side, binding clip 10102 termination, the power to the circular arc line direction that draw point applies when closing up, step 4 continues to
The direction scraping shear force be the continuity of the power in circular arc line direction in step 2.
Described locating slot 101 is the loose slot of clamping draw point, i.e. a sidewall of groove moves clamping, in Figure 17 one of groove
Sidewall stretches out and screws the end face 10111 of shank of bolt and clamp draw point, prevents draw point bending from scraping when cutting and moves or deviate from stopper slot.
In said two binding clip closes up the embodiment of bending draw point, the loose slot of clamping draw point can be also another pincers
Mouthful, i.e. two sidewalls of loose slot are located on a binding clip, and another binding clip sets bending contact, and two binding clips form pincers
Mouthful, can close up draw point bending or scrape disconnected；Separately set a jaw and can clamp two sidewalls of loose slot, make two side step up
Draw point, in order to bending and scrape disconnected.
Or it is and the stopper slot of draw point diametric fit that, when draw point is applied in bending power and scrapes shear force, stopper slot limits
Draw point abjection stopper slot, in Figure of description in addition to Figure 17, remaining is all and the stopper slot of draw point diametric fit.
Claims (10)
1. a Kirschner wire apparatus for bending, including needle-nose pliers, it is characterised in that: two holding pieces of described needle-nose pliers head form folder
Hold the jaw of Kirschner wire, one of two holding pieces of jaw for shaping pellet (6), described jaw side be provided with to jaw fixing gram
Family name's pin applies the contact of bending power, and needle-nose pliers is arranged to Kirschner wire applying bending as rotary shaft, the overcoat being set in rotary shaft
The contact (3) of power rotates around rotary shaft, and contact (3) rotates the kirschner of two holding piece clampings to shaping pellet (6) direction
Pin is around shaped core block (6) bending.
2. Kirschner wire apparatus for bending as claimed in claim 1, it is characterised in that: one of described two holding pieces of jaw are for shaping
Pellet (6), another holding piece of jaw sets jaw stopper slot (5), and jaw stopper slot (5) coordinates clamping with shaping pellet (6)
Kirschner wire abjection in Forging Process is prevented during Kirschner wire.
3. Kirschner wire apparatus for bending as claimed in claim 2, it is characterised in that: described contact (3) presses the position of Kirschner wire
If contact stopper slot (31), prevent Kirschner wire in Forging Process from deviating from from contact (3).
4. the Kirschner wire apparatus for bending as described in claim 2 or 3, it is characterised in that: described contact is used for scraping Qie Ke on (3)
The cutting blade (4) of scraping of family name's pin scrapes otch with shaping pellet (6) formation.
5. Kirschner wire apparatus for bending as claimed in claim 4, it is characterised in that: the head of described needle-nose pliers as rotary shaft,
The contact (3) that overcoat applies bending power to Kirschner wire rotates around rotary shaft, and the head i.e. rotary shaft for needle-nose pliers makes revolution
Face, the outer sheathed sleeve pipe (302) of the surface of revolution, sleeve pipe (302) fixed contact (3).
6. Kirschner wire apparatus for bending as claimed in claim 5, it is characterised in that: the described surface of revolution forms tapered profiles, taper
Outside profile, the sleeve pipe (302) that socket coordinates with it so that the jaw of the head of needle-nose pliers can open receiving Kirschner wire, sleeve pipe
(302) fixed contact (3)；Described sleeve pipe (302) inwall sets cone tank (3025).
7. Kirschner wire apparatus for bending as claimed in claim 6, it is characterised in that: the described surface of revolution forms tapered profiles, taper
Outside profile, the sleeve pipe (302) that socket coordinates with it so that the jaw of the head of needle-nose pliers can open receiving Kirschner wire, refer to pincers
One of two holding pieces of mouth form tapered profiles for the surface of revolution, and the holding piece forming tapered profiles sets slotted eye (62), this slotted eye
(62) another holding piece (63) is accommodated so that the jaw of the head of needle-nose pliers can open receiving Kirschner wire.
8. Kirschner wire apparatus for bending as claimed in claim 7, it is characterised in that: the axle at described contact (3) center to rotary shaft
The line of line forms angle α with the line at cone tank (3025) center to the axis of rotary shaft；Described contact (3) is against Kirschner wire
Position, the line at contact (3) center to the axis of rotary shaft and comprise shape pellet (6) holding piece open direction formed folder
Angle beta；α ＞ β.
9. Kirschner wire apparatus for bending as claimed in claim 8, it is characterised in that: described sleeve pipe (302) arranges and pulls handle
(3022), pull handle (3022) to be contact (3) and cutting blade (4) offer bending power is provided and scrapes disconnected power.
10. disconnected device is scraped in Kirschner wire bending as claimed in claim 9, it is characterised in that: the side of described needle-nose pliers (10) sets
Putting and pull the fixed handle (3023) that handle (3022) coordinates, pull handle (3022) coordinating with fixed handle (3023) is one
To the handle held, wherein pulling handle (3022) is hinged two section, leading portion (30221) and back segment (30222), leading portion
And hinged by limit hinge (30223) between back segment (30222) (30221).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699459.4A CN106109003A (en) | 2016-08-22 | 2016-08-22 | A kind of Kirschner wire apparatus for bending |
| US15/682,211 US20170340373A1 (en) | 2015-04-30 | 2017-08-21 | Kirschner wire bending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610699459.4A CN106109003A (en) | 2016-08-22 | 2016-08-22 | A kind of Kirschner wire apparatus for bending |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106109003A true CN106109003A (en) | 2016-11-16 |
Family
ID=57280096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610699459.4A Pending CN106109003A (en) | 2015-04-30 | 2016-08-22 | A kind of Kirschner wire apparatus for bending |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106109003A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667570A (en) * | 2017-02-13 | 2017-05-17 | 四川曼赛思医药科技有限公司 | Orthopedic kirschner wire bending device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223080Y (en) * | 1995-07-05 | 1996-03-27 | 龚菊梅 | Steel pin end folding forceps using for orthopedic internal fixation |
| RU2143861C1 (en) * | 1997-10-21 | 2000-01-10 | Научно-исследовательский центр Татарстана "Восстановительная травматология и ортопедия" | Pliers for cutting-off and bending of needle |
| WO2014190945A1 (en) * | 2013-05-30 | 2014-12-04 | 郑州泽正技术服务有限公司 | Kirschner wire bender used in orthopedics |
| CN105310759A (en) * | 2014-05-30 | 2016-02-10 | 郑州泽正技术服务有限公司 | Needle bending and scraping method and bending and scraping-off device |
| CN205339104U (en) * | 2016-01-26 | 2016-06-29 | 吕宏升 | Dedicated ke shi needle of orthopedics device of buckling |
| CN108143478A (en) * | 2014-11-07 | 2018-06-12 | 郑州泽正技术服务有限公司 | Disconnected device is scraped in a kind of draw point bending |
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2016
- 2016-08-22 CN CN201610699459.4A patent/CN106109003A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223080Y (en) * | 1995-07-05 | 1996-03-27 | 龚菊梅 | Steel pin end folding forceps using for orthopedic internal fixation |
| RU2143861C1 (en) * | 1997-10-21 | 2000-01-10 | Научно-исследовательский центр Татарстана "Восстановительная травматология и ортопедия" | Pliers for cutting-off and bending of needle |
| WO2014190945A1 (en) * | 2013-05-30 | 2014-12-04 | 郑州泽正技术服务有限公司 | Kirschner wire bender used in orthopedics |
| CN105310759A (en) * | 2014-05-30 | 2016-02-10 | 郑州泽正技术服务有限公司 | Needle bending and scraping method and bending and scraping-off device |
| CN108143478A (en) * | 2014-11-07 | 2018-06-12 | 郑州泽正技术服务有限公司 | Disconnected device is scraped in a kind of draw point bending |
| CN205339104U (en) * | 2016-01-26 | 2016-06-29 | 吕宏升 | Dedicated ke shi needle of orthopedics device of buckling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667570A (en) * | 2017-02-13 | 2017-05-17 | 四川曼赛思医药科技有限公司 | Orthopedic kirschner wire bending device |
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Address after: Room 605, Block A, 60 Guoji Road, Jinshui District, Zhengzhou City, Henan Province Applicant after: Zhengzhou Zezheng Technology Service Co., Ltd. Address before: 450000 South Agricultural East Road, Zhengdong New District, Zhengzhou City, Henan Province, No. 226, 1st floor, Xibaolong City Plaza, Tianze Street Applicant before: Zhengzhou Zezheng Technology Service Co., Ltd. |