CN2300387Y - Multi-function bone orthopaedic appliance - Google Patents

Abstract

The utility model relates to a multi-function bone-shaping appliance, formed by the method that a draw ring, a rotary ring, and a shifter are combined together by four threaded rods. Because a bone needle horizontal-shift appliance, a multi-plane bone needle fixed stand, and a threaded rod with a cylindrical head are added to the utility model compared with the prior art, the effect that the utility model used in hospital is better than an original bone-connecting bone-shaping appliance, time is more fast, and the bone connecting is more accurate.

Description

Multi-functional whole bone object

This utility model relates to a kind of surgical instruments, relates in particular to that a kind of extremity shaft fracture, cacomelia rectification and limb lengthening, bone does not connect connect and a kind of apparatus of part bone disease treatment.

The therapeutic treatment extremity fracture prolongs with manually-operated reduction synthetism always and fixes over several years.No matter this fixing is that internal fixation or external fixation all have problems a lot, therefore people improve audaciously now, as a kind of multifunctional bone fracture device (96205449.6) of having authorized, fundamentally improved the whole bone synthetism of former artificial operation, synthetism is fixed once finished and the operating time weak point, but there is certain shortcoming in this bone fracture device, there is not vertical columns as bone fracture device fracture far-end, less stable during synthetism like this, the spicule fixed mount is at arcuate flanks wing nut fixed bone spicule, like this troublesome poeration, fixed bone spicule difficulty on complex region especially, bone fracture device connects the bit architecture complexity, the cost height, volume is big, also has the bone-connecting functions imperfection, the synthetism low precision, ears or side handles of a utensil spicule adjustment rack purl and inefficacy etc.

The purpose of this utility model is to improve existing deficiency as improving many planes far-end stability problem, and the spicule fixed mount improves the fixed bone spicule policy in arcuate flanks, improves the bone fracture device displacement structure, improves bone-connecting functions, improves ears or side handles of a utensil spicule adjustment rack etc.

This utility model is achieved in that it comprises the stretch ring part, the rotating ring part, pressing plate shift unit part, four threaded rods, stretch ring and rotating ring are divided equally the internal ring outer shroud, all be connected with on the ring of two gardens ears or side handles of a utensil spicule fixedly adjustment rack four threaded rods and the stretch ring rotating ring that have a garden stigma partly fuse, the snail rasp bar is provided with the pressing plate shift unit, rotating ring spicule adjustment rack purl nut is provided with the spicule translation device, also be provided with pressure transducer on the rotating ring adjustment rack ears or side handles of a utensil lifting nut, also be provided with many planes spicule fixed mount on the screw rod of garden stigma, whole whole bone anchor structure available computers operation realizes that fixing control is integrated.The worm screw of stretch ring and helical teeth or worm gear engagement, straight-tooth bar and straight-tooth engagement, positive and negative rotary worm or the stretching of straight-tooth bar energy, compression, rotating ring worm screw and helical teeth or worm gear engagement, can make the rotating ring internal ring do to change clockwise or counterclockwise, the endways slide slot that has in the middle of the fixed mount of many planes of spicule, the purl bar is installed in the opening, and again by the fastening spicule of clamp nut, spicule fixed mount two ends are connected with threaded rod with fixation clamp purl bar cramp spicule by purl nut check spicule.Whole diostosis device pressing plate and elevating lever connect, elevating lever and swivel nut are fixed on the shift unit frame centre position by gland, the location slide slot is arranged on the elevating lever, slide slot is located by alignment pin, adjustment swivel nut elevating lever rises up and down and moves both vertically, shift unit is connected with threaded rod with the fixed clip hand button, the slide-proof lock shank is arranged in the middle of the spicule translation device, the purl club head has the cross open slot, spicule locking shank nut is fastening, slide-proof lock shank and swivel nut are fixed on the spicule translation centre position by gland, move the purl bar location slide slot is arranged, slide slot is located by alignment pin, positive and negative accent swivel nut, rectilinear motion before and after the slide-proof lock shank, the spicule translation device is fixed on the locking bar nut, is clipped on spicule spicule translation device and the purl nut with fixation clamp.The spicule fixedly adjustment rack ears or side handles of a utensil has pull bar, screw thread on the pull bar links to each other with the lifting nut female thread, the lifting nut external screw thread connects with dress pin nut inner thread, and lifting nut is provided with pick off, adorns the middle hole of threading a needle of pin nut, screws in the dress pin nut with jackscrew and pin spicule.

This utility model has following advantage than the multifunctional bone fracture device of past utility model:

1, multifunctional bone fracture device fracture far-end does not have many planes vertical columns the past, poor stability during synthetism, and the now round multi-functional whole bone object of formula is provided with many planes spicule vertical columns, can be good at many planes of far-end spicule stability maintenance of fracture, patients ' recovery is fast.

2, many planes of multifunctional bone fracture device spicule fixed mount is at arcuate groove side dish shape nut fixed bone spicule the past, can only penetrate spicule fixes just more stable, the endways slide slot that has in the middle of now adopting, with purl bar fixed bone spicule, not only have outside the strong fixed function of fastening spicule, can also play the side pin according to the complex region of fracture, fixing also very firm.

3, past multifunctional bone fracture device displacing part adopts the worm and gear rotation displacement, shift unit structure more complicated, and it is difficult to make, the cost height, volume is big, and loading and unloading are inconvenient, must employ instrument, now adopt direct swivel nut lifting purl bar displacement method, simple in structure, volume is little, makes easily, cost is low, adopts the fixed clip hand button can finish loading and unloading without instrument.

4, the past multifunctional bone fracture device does not have the spicule translation device, the bone-connecting functions imperfection, and the synthetism degree of accuracy is poor, now adopts spicule translation device bone-connecting functions more perfect, synthetism degree of accuracy height.

5, past multifunctional bone fracture device ears or side handles of a utensil spicule adjustment rack purl adopts the fastening purl of outer nut, collides with easily outside nut drops out and easily causes purl to lose efficacy, and existing employing dress pin nut is used and screwed in the fastening spicule of jackscrew.

Below in conjunction with embodiment this utility model is described in further detail:

Fig. 1 is this utility model overall structure sketch map;

Fig. 2 is the fixing structural profile sketch map of adjusting the ears or side handles of a utensil of spicule;

Fig. 3 is a hand fastening type shift unit structural representation;

Fig. 4 is a hand fastening type shift unit gland sketch map

Fig. 5 is many planes of spicule fixed rack structure generalized section;

Fig. 6 is the fastening and lock nut connection diagram of spicule plane fixed mount;

Fig. 7 is a spicule translation device structural representation;

Fig. 8 is gland, alignment pin and the slide slot connection diagram of spicule translation device;

Fig. 9 is the frame and the pinning connection diagram of spicule translation device;

Figure 10 is the fixed folder structure sketch map of spicule translation device.

As shown in Figure 1: multi-functional whole bone object comprises respectively having in stretch ring 4 and 7 liang of rings of following rotating ring respectively 3, two gear worms of a single gear 2 and helical gear 3 engagements in 7 liang of rings of 3, two gear rotating rings of a single gear.Four threaded rods 5 (solid) of socket cap 9 pass rotating ring (outer shroud) 7 and 3 engagements of stretch ring 4 internal helical gears two rings 4,7 are up and down linked into an integrated entity.Stretch ring 4 adjustment racks 8 are integral with toroidal shell.The stretch ring 4 worm screws 2 rotation helical gears 3 that move in turn play the Compression and Expansion effect.Rotating rotating ring 7 worm screws 2 rotation helical gears 3 does to change clockwise or counterclockwise with spicule adjustment rack all-in-one-piece internal ring.Adjustment rack 8 on the ring is seen on the piped tube wall shown in Figure 2 and is respectively had groove, adjustment rack 8-3 is by pull bar 8-1, nut 8-2, lifting nut 8-4 pick off 8-5, dress pin nut 8-8, jackscrew 8-6 constitutes pull bar 8-1 external screw thread and is connected with lifting nut 8-4 female thread, and lifting nut 8-4 external screw thread is connected with dress pin nut 8-8 female thread, in the middle of the dress pin nut 8-8 pin hole 8-7 is arranged, jackscrew 8-6 screws in the dress pin nut 8-8 fastening.

Be equipped with pressing plate shift unit 6 shift units 6 two between two adjacent threaded rods 5 and be buckled in location on two threaded rods 5 respectively, see that the lower end of elevating lever 6-1 shown in Fig. 3 shift unit is connected with pressing plate 6-2, elevating lever 6-1 external screw thread links to each other with swivel nut 6-2 female thread, swivel nut 6-2 and elevating lever 6-1 are fixed in the intermediary circular groove of displacement frame 6-4 by gland 6-3, location slide slot 6-5 is arranged by alignment pin 6-7 location on the elevating lever 6-1, adjust swivel nut 6-2 elevating lever 6-1 and move both vertically up and down.

Many planes of spicule fixed mount 11 is seen shown in Figure 5, the centre has slide slot 11-7, purl bar 11-3 move left and right in slide slot 11-7, purl bar 11-3 is made of when using behind the severed limb return purl nut 11-5 and clamp nut 11-2, penetrable pin fixed mount 11-4 two, many planes of spicule fixation clamp 11-6 is fixed on each two threaded rod 5 or two cylindrical bars 9 on any position can fastening spicule with many planes fixed mount.

Spicule translation device 10 is seen shown in Figure 7, slide-proof lock shank 10-2 external screw thread is connected with swivel nut 10-3 female thread, rotating ring nut 10-3 and slide-proof lock shank 10-2 are fixed in the spicule translation device 10 intermediary circular grooves by gland 10-4, location slide slot 10-6 is arranged by alignment pin 10-5 location on the slide-proof lock shank 10-2, adjust swivel nut 10-3 slide-proof lock shank 10-2 front and back rectilinear motion.During use spicule 10-1 being through translation device purl bar 10-2 uses purl medicated cap 10-7 fastening, pan carriage 10 usefulness pinning 10-9 are fixed on adjustment rack 8 dress pin nuts see on the 8-8 shown in Figure 2 that reuse fixation clamp 10-10 is clipped in spicule translation device 10 to be seen on the 8-8 shown in Figure 2 with the purl nut.

See during concrete operations that Fig. 1 is enclosed within whole bone object and want on the localized fracture limbs, when under the X-ray irradiation, carrying out the knochenbruch butt joint, drive circumgyration stretch ring worm screw 2, the 3 pulling severed limbs of rotation helical gear are done and are drawn or press mobile return, can drive rotating ring worm screw 7 if need to adjust whole bone angle, rotate helical gear 2 and adjust angle.If need make the severed limb normotopia of dislocation that three steps are arranged:

1, shift unit 6 drives: drive mechanism swivel nut 6-2 drives elevating lever 6-1 and moves up and down, and pressing plate 6-6 and limbs is adjacent to helps the limbs normotopia.

2, spicule adjustment rack 8 drives: drive swingle 8-1 and finely tune displacement help limbs normotopia in adjustment rack 8 ears or side handles of a utensil.

3, translation device 10 drives: translation helps the limbs normotopia before and after driving swivel nut 10-3 slide-proof lock shank 10-2.

Pick off 8-5 shown in Figure 2 is with solving the excessive and loosening problem of gaging pressure in the severed limb butt joint, and sensing 8-5 can operate with computer remote according to meter type.This utility model drives worm screw 2 transmission helical gears 3 and Worm and worm-wheel gearing all can be realized manually with motor-driven.

Claims (1)

1, it comprises the stretch ring part a kind of multi-functional whole bone object, the rotating ring part, the above-mentioned parts of pressing plate shift unit part are fused by four threaded rods and stretch ring rotating ring, stretch ring, rotating ring is divided equally internal ring, outer shroud, all be connected with fixedly adjustment rack of ears or side handles of a utensil spicule, it is characterized in that: four threaded rods have the garden stigma, the rotating ring spicule fixedly has the spicule translation device on the adjustment rack, the threaded rod of garden stigma is provided with many planes spicule fixed mount, the worm screw of stretch ring and helical teeth or worm gear engagement, straight-tooth bar and straight-tooth engagement, the worm screw of rotating ring and helical teeth or worm gear engagement can be done positive and negative rotation.

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