CN2508710Y

CN2508710Y - Adjustable combined ring type bone external fixer

Info

Publication number: CN2508710Y
Application number: CN 01277322
Authority: CN
Inventors: 王兆年
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-20
Filing date: 2001-12-20
Publication date: 2002-09-04
Anticipated expiration: 2011-12-20

Abstract

The utility model relates to an adjustable combined ring type bone external fixer which mainly comprises an adjustable ring, a crescent bent board, a super semi-ring, a screw rod, a 4-shaped connecting block, a middle screw needle, connecting rods, a boss fixing connecting rod, a fixing screw rod, a staff gauge, an indicating needle, etc. The utility model is characterized in that the L surfaces of two L-shaped channel boards form the adjustable ring, and the 4-shaped connecting block is connected with the crescent bent board; the staff gauge and the indicating needle are connected with the super semi-ring with a screw hole; and the screw rod is connected with the adjustable ring, the crescent bent board and the super semi-ring; the crescent bent board is connected with the boss fixing connecting rod and the fixing screw rod, and the connecting rods are connected with each other to combine and form the adjustable combined ring type bone external fixer, which achieves the fixation and the stabilization of the un-healing and bone loss of the one side lower limb and the partial fracture.

Description

Adjustable groups cyclization formula bone external fixator

This utility model is to be used for the treatment of several sections of fracture disunion, medical apparatus and instruments that bone is damaged.Present annular bone external fixator heaviness, circulus hinders operation technique during operation, treat multistage, syntripsis disunion, bone is damaged as treats the damaged combination type bone of bone external fixator patent No. ZL99207327.8 complex structure, inconvenient operation, therefore inapplicable.

The purpose of this utility model is to design a kind of treatment multistage, pulverizing, nonunion, the damaged adjustable groups cyclization of bone formula bone external fixator, simple in structure, easy to install, not overslaugh operation technique, link rod connects not overslaugh and bends and stretches the knee joint function exercise, it is damaged to unite stable fixation for treatment one side lower limb several sections of fracture, nonunion, bone, separately increase parts, stable external fixation is treated local nonunion, bone is damaged.

This utility model is made up of: trough of belt hole L shape frid 1, middle spiral shell pin 2, boss screw rod 3, snap ring 4, screw rod 5, band screw L shape frid 6, standing screw 7, month shape bent plate 8, band screw hyper-semiring 9, hyper-semiring 10, draw point 11, scale 12, pointer 13, protruding screw rod 14, opening screw rod 15, two ends drive screw 16, fixed angle plate 17.Its characteristics are: screw rod 5 connects several adjustable loops, some months shape bent plate 8, adjustable loop connects band screw L shape frid 6 by: trough of belt hole L shape frid 1, trough of belt hole L shape frid 1 is to be with several groove bent plates, one end is with holes, the other end is the L shape and wears the pore area groove, band screw L shape frid 6 is trough of belt bent plates, one end is with holes, and the other end is the L shape and wears the pore area screw, the L shape face of two L shape frids rivet and screw attachment, boss is link rod fixedly, standing screw 7 and adjustable loop, moon shape bent plate 8 connections are with middle spiral shell pin 2, draw point 11 connects forms fixedly link rod of adjustable loops, boss fixedly link rod by boss screw rod 3, snap ring 4, nut is formed, boss screw rod 3 is that an end boss round bar is with holes, other end screw-like, snap ring 4 in a tubular form, standing screw 7 is that an end round bar is with holes, other end screw-like, month shape bent plate 8 is to be with several groove bent plate shapes, one of them channel opening shape, and the intermediate thread external diameter of middle spiral shell pin 2 is greater than the diameter of two ends bar.4 shapes connection piece and adjustable loop fixedly month shape bent plate 8 on the link rod connect fixedly link rod of the multi-faceted adjustable loop of composition, 4 shapes connection piece by: two ends drive screw 16, fixed angle plate 17, nut are formed, two ends drive screw 16 is TBE (threaded both ends)s, one end connects with nut and fixed angle plate 17, fixed angle plate 17 is at right angles tabular, one side strip screw, another panel has several holes.Screw rod 5 and several band screw hyper-semirings 9, hyper-semiring 10, some months shape bent plate 8 connects, hyper-semiring 10 is opening ring-types, be with several frid shapes, open end is with holes, band screw hyper-semiring 9 is to be with screw on the hyper-semiring 10, connect with a stomidium of scale 12 with screw, scale 12 other ends connect with pointer 13 on the band screw hyper-semiring 9, it is middle with holes that pointer 13 is the J shape, connect with the screw of band screw hyper-semiring 9, boss is link rod fixedly, standing screw 7, draw point 11 and band screw hyper-semiring 9, month shape bent plate 8, hyper-semiring 10 connects forms fixedly link rod of bone prolongation adjustable loop.Protruding screw rod 14 is formed link rod with 15 riveted joints of opening screw rod, protruding screw rod 14 is that an end of screw rod is convex strip hole, it is with holes that opening screw rod 15 is that an end round bar of screw rod is the open slot shape, link rod one end and multi-faceted the adjustable loop fixedly adjustable loop on the link rod connect, the other end and bone prolong adjustable loop fixedly the band screw hyper-semiring 9 on the link rod connect composition adjustable groups cyclization formula bone external fixator.Screw rod 5 connects with several hyper-semirings 10, some months shape bent plate 8, and boss fixedly link rod, standing screw 7 connects with hyper-semiring 10, a month shape bent plate 8, connects with draw point 11, connects with middle spiral shell pin 2 and forms fixedly link rod of multistage adjustable loop.4 shapes connection piece and multistage adjustable loop fixedly month shape bent plate 8 on the link rod connect fixedly link rod of the multi-faceted multistage adjustable loop of composition.

This utility model has been compared following advantage with existing bone external fixator: adjustable groups cyclization formula bone external fixator is simple in structure, moon shape bent plate combination operation is convenient, open reduction is disposed bone stump, not overslaugh operation technique, combinative structure separately increases parts transposing coupled position, the various adjustable loops of the clinical needs of one-tenth capable of being combined are link rod fixedly, be fit to local the pulverizing, complicated, open, nonunion, bone is damaged, reach stable fixing, link rod connects knee joint can stretch the activity of bending, and avoids joint stiffness, bone pressurization of treatment nonunion and treatment bone defective bone prolong, and the accurate curative effect of pointer designation data is reliable.

Description of drawings: Fig. 1 is this utility model population structure sketch map; Fig. 2 is this utility model adjustable loop structural representation; Fig. 3 is a fixedly linkage structure sketch map of this utility model adjustable loop; Fig. 4 is a fixedly linkage structure sketch map of this utility model boss; Fig. 5 is this utility model standing screw structural representation; Fig. 6 is a spiral shell pin sketch map in the middle of this utility model; Fig. 7 is a fixedly linkage structure sketch map of the multi-faceted adjustable loop of this utility model; Fig. 8 is this utility model 4 shapes connection block structure sketch map; Fig. 9 is that this utility model bone prolongs fixedly linkage structure sketch map of adjustable loop; Figure 10 is a fixedly linkage structure sketch map of this utility model multistage adjustable loop; Figure 11 is a fixedly linkage structure sketch map of the multi-faceted multistage adjustable loop of this utility model;

Embodiment of the present utility model:

Adjustable groups cyclization formula bone external fixator is made up of: trough of belt hole L shape frid 1, middle spiral shell pin 2, boss screw rod 3, snap ring 4, screw rod 5, band screw L shape frid 6, standing screw 7, month shape bent plate 8, band screw hyper-semiring 9, hyper-semiring 10, draw point 11, scale 12, pointer 13, protruding screw rod 14, opening screw rod 15, two ends drive screw 16, fixed angle plate 17.As shown in Figure 1, screw wherein, soket head cap screw, nut, screw rod is a standard component, middle spiral shell pin 2, draw point 11, two ends drive screw 16 is a nickel, chromium, titanium alloy material is made, other part of adjustable groups cyclization formula bone external fixator is made of aluminum alloy materials, screw rod 5 connects several adjustable loops, some months shape bent plate 8, adjustable loop connects band screw L shape frid 6 by: trough of belt hole L shape frid 1, trough of belt hole L shape frid 1 is to be with several groove bent plates, one end is with holes, the other end is the L shape and wears the pore area groove, band screw L shape frid 6 is trough of belt bent plates, one end is with holes, the other end is the L shape and wears the pore area screw, the L shape face of two L shape frids is used rivet and screw attachment as shown in Figure 2, boss is link rod fixedly, standing screw 7 and adjustable loop, moon shape bent plate 8 connections, with middle spiral shell pin 2, draw point 11 connects to be formed adjustable loops fixedly link rod is as shown in Figure 3, boss fixedly link rod by boss screw rod 3, snap ring 4, nut is formed, boss screw rod 3 is that an end boss round bar is with holes, other end screw-like, snap ring 4 in a tubular form as shown in Figure 4, standing screw 7 is that an end round bar is with holes, other end screw-like as shown in Figure 5, month shape bent plate 8 is to be with several groove bent plate shapes, one of them channel opening shape as shown in Figure 1, the intermediate thread external diameter of middle spiral shell pin 2 is greater than the diameter of two ends bar as shown in Figure 6.4 shapes connection piece and adjustable loop fixedly month shape bent plate 8 on the link rod connect the multi-faceted adjustable loop of composition fixedly link rod are as shown in Figure 7,4 shapes connection piece by: two ends drive screw 16, fixed angle plate 17, nut are formed, two ends drive screw 16 is TBE (threaded both ends)s, one end connects with nut and fixed angle plate 17, fixed angle plate 17 is at right angles tabular, one side strip screw, another panel has several holes as shown in Figure 8.Screw rod 5 and several band screw hyper-semirings 9, hyper-semiring 10, some months shape bent plate 8 connects, hyper-semiring 10 is opening ring-types, be with several frid shapes, open end is with holes, band screw hyper-semiring 9 is to be with screw on the hyper-semiring 10, connect with a stomidium of scale 12 with screw, scale 12 other ends connect with pointer 13 on the band screw hyper-semiring 9, it is middle with holes that pointer 13 is the J shape, connect with the screw of band screw hyper-semiring 9, boss is link rod fixedly, standing screw 7, draw point 11 and band screw hyper-semiring 9, month shape bent plate 8, hyper-semiring 10 connects to be formed bones and prolongs adjustable loops fixedly link rod is as shown in Figure 9.Protruding screw rod 14 is formed link rod with 15 riveted joints of opening screw rod, protruding screw rod 14 is that an end of screw rod is convex strip hole, it is with holes that opening screw rod 15 is that an end round bar of screw rod is the open slot shape, link rod one end and multi-faceted the adjustable loop fixedly adjustable loop on the link rod connect, the other end and bone prolong adjustable loop fixedly the band screw hyper-semiring 9 on the link rod connect composition adjustable groups cyclization formula bone external fixator as shown in Figure 1.Screw rod 5 connects with several hyper-semirings 10, some months shape bent plate 8, and boss fixedly link rod, standing screw 7 connects with hyper-semiring 10, a month shape bent plate 8, connects with draw point 11, and connect composition multistage adjustable loop fixedly link rod is as shown in figure 10 with middle spiral shell pin 2.4 shapes connection piece and multistage adjustable loop fixedly month shape bent plate 8 on the link rod connect the multi-faceted multistage adjustable loop of composition fixedly link rod are as shown in figure 11.

Application of the present utility model: for example treat a side lower limb tibia, the femur multistage, nonunion, bone is damaged, at first the lower limb after the reduction are placed in the adjustable groups cyclization formula bone external fixator, pass tibia lower end and tibia upper end with middle spiral shell pin, two ends connection boss fixedly link rod is fixed on the adjustable loop, closely roll over end at fracture of tibia and wear draw point with far rolling over to hold to intersect, the draw point two ends connect with standing screw, be fixed on moon shape bent plate, one end of the two ends drive screw on the 4 shapes connection piece is fixed on the tibia free bone piece, the other end and nut and fixed angle plate are fixed on moon shape bent plate as Fig. 1 with soket head cap screw, shown in Figure 7, use draw point at proximal femur then, the distal part of femur and the femur stage casing damaged broken ends of fractured bone of bone penetrate draw point and middle spiral shell pin respectively, two ends and standing screw, boss fixedly link rod connects, be fixed on band screw hyper-semiring, month shape bent plate, on the hyper-semiring, osteotomy under femoral bone tuberosity, the nut that the band screw hyper-semiring that the damaged nearly folding section draw point of twisting bone connects connects with screw rod, make it to move 1mm to the damaged direction of bone every day, to healing to the damaged broken ends of fractured bone contact of bone, pointer indication bone every day prolongs distance, link rod connects adjustable loop and band screw hyper-semiring, can bend and stretch the exercise of not overslaugh of activity function of joint.This holder is a combinative structure, and the demolition link rod separately makes up external fixation one, two-stage nitration fracture, as 1/3 nonunion in the tibia, thread a needle at tibia upper and lower end and bone stump, with adjustable loop fixedly link rod fix, external fixation is as shown in Figure 3.As two sections nonunions of femur, cut the protection nervus vasculairs, in the middle of femur two ends and each fracture segment are worn spiral shell pin and draw point be fixed on the multistage adjustable loop fixedly on the link rod as shown in figure 10.As the femur syntripsis, with the fixing link rod bone external fixation of multi-faceted multistage adjustable loop, fixedly the free bone piece is as shown in figure 11 for spiral shell pin and draw point in the middle of femur upper and lower end and fracture site are worn, the two ends drive screw on the 4 shapes connection piece.

Claims

1, a kind of treatment fracture adjustable groups cyclization formula bone external fixator, comprise adjustable loop, band screw hyper-semiring, hyper-semiring, month shape bent plate, 4 shapes connection piece, boss is link rod fixedly, standing screw, link rod, middle spiral shell pin, draw point, screw rod, nut, scale, pointer, soket head cap screw is characterized in that: screw rod (5) connects several adjustable loops, some months shape bent plate (8), adjustable loop connects band screw L shape frid (6) by: trough of belt hole L shape frid (1), trough of belt hole L shape frid (1) is to be with several groove bent plates, one end is with holes, the other end is the L shape and wears the pore area groove, band screw L shape frid (6) is the trough of belt bent plate, one end is with holes, the other end is the L shape and wears the pore area screw, the L shape face of two L shape frids rivet and screw attachment, boss is link rod fixedly, standing screw (7) and adjustable loop, moon shape bent plate (8) connects, with middle spiral shell pin (2), draw point (11) connects forms fixedly link rod of adjustable loop, boss fixedly link rod by boss screw rod (3), snap ring (4), nut is formed, boss screw rod (3) is that an end boss round bar is with holes, other end screw-like, snap ring (4) in a tubular form, standing screw (7) is that an end round bar is with holes, other end screw-like, moon shape bent plate (8) is to be with several groove bent plate shapes, one of them channel opening shape, the intermediate thread external diameter of middle spiral shell pin (2) is greater than the diameter of two ends bar.

2, adjustable groups cyclization formula bone external fixator according to claim 1, it is characterized in that: 4 shapes connection piece and adjustable loop fixedly month shape bent plate (8) on the link rod connect fixedly link rod of the multi-faceted adjustable loop of composition, 4 shapes connection piece by: two ends drive screw (16), fixed angle plate (17), nut are formed, two ends drive screw (16) is a TBE (threaded both ends), one end connects with nut and fixed angle plate (17), fixed angle plate (17) is at right angles tabular, one side strip screw, and another panel has several holes.

3, a kind of adjustable groups cyclization formula bone external fixator, it is characterized in that: screw rod (5) and several band screw hyper-semirings (9), hyper-semiring (10), some months shape bent plate (8) connects, hyper-semiring (10) is the opening ring-type, be with several frid shapes, open end is with holes, band screw hyper-semiring (9) is that hyper-semiring (10) is gone up the band screw, connect with the stomidium of screw with scale (12), scale (12) other end connects with pointer (13) on band screw hyper-semiring (9), it is middle with holes that pointer (13) is the J shape, connect with the screw of band screw hyper-semiring (9), boss is link rod fixedly, standing screw (7), draw point (11) and band screw hyper-semiring (9), month shape bent plate (8), hyper-semiring (10) connects forms fixedly link rod of bone prolongation adjustable loop.

4, as adjustable groups cyclization formula bone external fixator as described in the claim 1,2,3, it is characterized in that: protruding screw rod (14) is formed link rod with opening screw rod (15) riveted joint, protruding screw rod (14) is that an end of screw rod is convex strip hole, it is with holes that opening screw rod (15) is that an end round bar of screw rod is the open slot shape, link rod one end and multi-faceted the adjustable loop fixedly adjustable loop on the link rod connect, the other end and bone prolong adjustable loop fixedly the band screw hyper-semiring (9) on the link rod connect composition adjustable groups cyclization formula bone external fixator.

5, a kind of adjustable groups cyclization formula bone external fixator, it is characterized in that: screw rod (5) connects with several hyper-semirings (10), some months shape bent plate (8), boss fixedly link rod, standing screw (7) connects with hyper-semiring (10), a month shape bent plate (8), connect with draw point (11), connect with middle spiral shell pin (2) and form fixedly link rod of multistage adjustable loop.

6, as adjustable groups cyclization formula bone external fixator as described in the claim 5, it is characterized in that: 4 shapes connection piece and multistage adjustable loop fixedly month shape bent plate (8) on the link rod connect fixedly link rod of the multi-faceted multistage adjustable loop of composition.