CN208989089U - A kind of annular outside fixed frame for external osteosynthesis convenient for adjusting - Google Patents

Abstract

The utility model discloses a kind of annular outside fixed frame for external osteosynthesis convenient for adjusting, including the first fixed ring, second fixed ring, for connecting first fixed ring and the second fixed ring and length-adjustable connecting rod, the Kirschner wire being connect with the first fixed ring and the second fixed ring, one end of connecting rod is provided with ball stud, first fixed ring upper end spaced set has multiple ball cups being cooperatively connected with the ball stud, second fixed ring lower end spaced set has multiple connection pedestals being rotatablely connected with the connecting rod far from ball stud one end, and the one end of the connecting rod far from ball stud passes through a bolt and connect with second fixed ring；When carrying out fracture fixation using the fixed frame, length by adjusting the connecting rod can achieve the purpose that adjust the fixed frame length, unclamp one of bolt on the fixed frame, adjusting simultaneously and the bolted connection pole length can achieve the purpose that adjust the fixed frame angle.

Description

A kind of annular outside fixed frame for external osteosynthesis convenient for adjusting

Technical field

The utility model relates to the field of medical instrument technology, in particular to a kind of annular external fixation of fracture convenient for adjusting Frame.

Background technique

The seriously prestige of nonunion, bone delay in healing and skeleton deformity caused by trauma fracture and many reasons at present It coerces the health of the mankind and influences the living standard and quality of life of disability crowd, reset and fixation is the key that treatment fracture ring Section, good reset is conducive to the recovery of union and function, and the fixed form fractured directly affects the healing mould of fracture Formula, external fixator for orthopedics dep treatment technology are exactly that the far and near both ends at fracture or deformity percutaneously respectively penetrate spicule, the tail of spicule Portion stays in vitro, and spicule and outer frame body are then connected simultaneously fixation with needle stand again, with outer with deformity to fracturing A kind for the treatment of technology that portion fixes and adjusts, it is advantageous that, minimally invasive, small or non-incision of performing the operation, neither destruction local blood follows Ring can provide stable bone fixation again, this is just created in terms of mechanics and biology two for the healing of fracture and the correction of deformity Strong condition.

The external fixator for orthopedics dep of traditional treatment fracture and malformation correction is roughly divided into outside unilateral combined type from product structure Fixed frame, multilateral combinations exterior fixing rack and two three categories of circular combined external fixing rack are other, and circular combined external fixing rack is worked as What preceding China continued to use is the ILIZAROV toroidal frame system product of former Soviet Union's invention mostly.ILIZAROV toroidal frame technology is one Very advanced technology, it is famous with " minimally invasive, all-round ", although this technology can be completed from most simply to most complicated various fracture Fixed and malformation correction, but such toroidal frame still has following problems: it operates and using sufficiently complex, being related to when fixed zero Number of components is more, and adjustment process is relatively complicated, grasps extremely difficult.

Utility model content

The purpose of the utility model is to provide a kind of annular outside fixed frame for external osteosynthesis convenient for adjusting, solve existing fixed frame not The problem of easily adjusting needs components that are fixed and adjusting less when in use, and grasp gets up to be relatively easy to, and it is convenient to adjust Fast, operation duration is greatly reduced.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of ring convenient for adjusting Shape outside fixed frame for external osteosynthesis, including the first fixed ring, the second fixed ring, for connect first fixed ring and the second fixed ring and Length-adjustable connecting rod, the Kirschner wire connecting with first fixed ring and the second fixed ring, the connecting rod is provided with more Root and spaced set is between first fixed ring and the second fixed ring, each connecting rod include first connecting rod, with The second connecting rod that the first connecting rod is threadedly coupled；Every one second connecting rod is provided with far from one end of first connecting rod One ball stud, first fixed ring upper end spaced set have multiple ball cups being cooperatively connected with the ball stud；It is described Second fixed ring lower end spaced set has multiple connection pedestals with first connecting rod rotation connection, and every one first connects The one end of extension bar far from the second connecting rod passes through a bolt and connect with second fixed ring；

First fixed ring and the second fixed ring are connected with a Kirschner wire, every group of needle by least one set of pin fixture block Fixture block includes two pin fixture blocks for being relatively arranged on the first fixed ring or the second fixed ring side both ends.

By using above-mentioned technical proposal, when carrying out fracture fixation using the fixed frame, by adjusting the connection The length of bar can achieve the purpose that adjust the fixed frame length；One of bolt on the fixed frame is unclamped, simultaneously Adjusting and the bolted connection pole length can achieve the purpose that adjust the fixed frame angle.

The utility model is further arranged to: being equidistantly provided with through first fixed ring and the second fixed ring Multiple band internal thread mounting holes, each pin fixture block include fixing end, the screw thread for being cooperatively connected with the mounting hole Head, the fixing end are fixedly connected with the thread head, and each fixing end is provided with one for fixing inserting for the Kirschner wire Hole.

By using above-mentioned technical proposal, Kirschner wire can be facilitated to be installed in the first fixed ring or the second fixed ring, and The link position of adjustable Kirschner wire and the first fixed ring or the second fixed ring, every one first fixed ring or the second fixed ring are not only It is only only limited to fix a Kirschner wire, a kirschner can be fixed respectively in the two sides of the first fixed ring or the second fixed ring when necessary Needle.

In conclusion the utility model has the following beneficial effects: need when in use components that are fixed and adjusting compared with Less, length and angular adjustment are got up convenient and efficient, and grasp gets up to be relatively easy to, and operation duration are greatly reduced, to reduce Long-term surgery is born to patient and patient's bring；And the fixed rack structure is stable, postoperative be not easy to shake, avoid It is injured because fixed frame shakes to patient's bring.

Detailed description of the invention

Fig. 1 is the overall schematic of the utility model；

Fig. 2 is used to show the connection relationship of connecting rod and the first fixed ring and the second fixed ring；

Fig. 3 is the front view of pin fixture block；

Fig. 4 is the overall structure diagram of connecting rod；

Fig. 5 is the cross-sectional view of first connecting rod in Fig. 4.

In figure: 1, the first fixed ring；2, the second fixed ring；31, the first hinged seat；311, the first connecting hole；32, the second hinge Joint chair；321, the second connecting hole；33, third hinged seat；331, third connecting hole；34, the 4th hinged seat；341, the 4th connection Hole；4, connecting rod；41, first connecting rod；42, the second connecting rod；43, ball stud；44, pedestal is connected；45, fixation hole；46, spiral shell Bolt；47, ball cup；48, limit hole；5, pin fixture block；51, jack；52, fixing end；53, thread head；54, Kirschner wire；6, it installs Hole.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment, referring to Fig.1-5, a kind of annular outside fixed frame for external osteosynthesis convenient for adjusting, including the first fixed ring 1, run through First fixed ring, 1 spaced set has multiple band internal thread mounting holes 6,1 around the outer circle spaced set of the first fixed ring There are three the first hinged seat 31 and the second hinged seat 32, and 32 spaced set of first hinged seat 31 and the second hinged seat, First hinged seat 31 and the second hinged seat 32 are not merely only limited to setting three, in order to enhance the stabilization of the fixed frame Property, first hinged seat 31 may also set up multiple with the second hinged seat 32；One is provided with through every one first hinged seat 31 A the first connecting hole of band internal thread 311 is provided with a band internal thread second through every one second hinged seat 32 Connecting hole 321；Every one first connecting hole 311 is threaded with a ball cup 47, and each ball cup 47 is respectively connected with one Ball stud 43, each ball stud 43 are respectively connected with a connecting rod 4；Each connecting rod 4 includes connect with ball stud 43 Two connecting rods 42, the first connecting rod 41 being threadedly coupled with the second connecting rod 42, each first connecting rod 41 is close to corresponding second One end of connecting rod 42 is provided with a band internal thread limit hole 48, and every one second connecting rod 42 connects close to corresponding first The external screw thread to match with the limit hole 48 is provided on the outside of one end of extension bar 41；

Second connecting rod 42 is connected with second fixed ring 2 far from one end of first connecting rod 41, outside the second fixed ring 2 Circumference, which encloses spaced set, multiple third hinged seats 33 and the 4th hinged seat 34, and the third hinged seat 33 and the 4th is hingedly 34 spaced sets of seat, each third hinged seat 33 are provided with the third that one can be threadedly coupled with the ball stud 43 and connect Hole 331, the third hinged seat 33 and the 4th hinged seat 34 are not merely only limited to setting three, in order to enhance the fixed frame Stability, the third hinged seat 33 and the 4th hinged seat 34 may also set up multiple；Every one the 4th hinged seat 34 is respectively connected with One connection pedestal 44, each connection pedestal 44 are rotatablely connected with corresponding second connecting rod 42, hinged through every one the 4th Seat 34 and connection pedestal 44 are provided with band the 4th connecting hole 341 of internal thread, and every one second connecting rod 42 is close to right One end that pedestal 44 should be connected is provided with one with 341 internal diameter phase of the 4th connecting hole and with internal thread fixation hole 45, often One the 4th connecting hole 341 is threadedly coupled a bolt 46, and each fixation hole 45 is threadedly coupled with corresponding bolt 46, the spiral shell Bolt 46 can also be cooperatively connected with second connecting hole 321；Have through 2 spaced set of the second fixed ring multiple with internal screw thread Mounting hole 6, through each third hinged seat 33 be provided with one band the first connecting hole of internal thread 311；

First fixed ring 1 is oppositely arranged far from the side both ends of the second fixed ring 2 there are two pin fixture block 5, the second fixed ring 2 Side both ends far from the first fixed ring 1 are oppositely arranged there are two pin fixture block 5, and every two pin fixture block 5 is connected with one Kirschner wire 54；Each pin fixture block 5 include fixing end 52, the thread head 53 for being cooperatively connected with mounting hole 6, fixing end 52 and Thread head 53 is fixedly connected, and each fixing end 52 is provided with the jack 51 for fixation Kel's needle 54；

Every one first fixed ring 1 or the second fixed ring 2 are not only only limited to fix a Kirschner wire 54, when necessary can be A Kirschner wire 54 is fixed in the two sides of one fixed ring 1 or the second fixed ring 2 respectively, and the fixation position of the Kirschner wire 54 can root It is adjusted according to needs.

The fixed frame is not only only limited to include first fixed ring 1 and second fixed ring 2, can pass through connection Bar 4 connects one or more first fixed rings 1 and the second fixed ring 2 in a manner of multistage connection.

Usage mode: when carrying out fracture fixation using the fixed frame, fixed frame is first covered and is needed admittedly in patient by patient Fixed position, the length by adjusting the connecting rod 4 can achieve the purpose that adjust the fixed frame length, unclamp described solid Determine one of bolt 46 on frame, while adjusting 4 length of connecting rod connecting with the bolt 46, can reach described in adjusting The purpose of fixed frame angle；Behind the position for adjusting the first fixed ring 1 and the second fixed ring 2, two pin fixture blocks 5 are fixed on Kirschner wire 54 is passed through the jack 51 of a pin fixture block 5 again later and runs through the bone of patient by the opposite end of one fixed ring, 1 side Kirschner wire 54 is finally passed through inserting for another pin fixture block 5 again so that the Kirschner wire 54 and the bone of patient form fixation by bone The fixation of Kirschner wire 54 in the first fixed ring 1 is completed in hole 51；The fixed form of Kirschner wire 54 is consolidated with first in second fixed ring 2 The fixed form for determining Kirschner wire 54 on ring 1 is identical.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (2)

1. a kind of annular outside fixed frame for external osteosynthesis convenient for adjusting, including the first fixed ring (1), the second fixed ring (2), for connecting First fixed ring (1) and the second fixed ring (2) and length-adjustable connecting rod (4), with first fixed ring (1) and the The Kirschner wire (54) of two fixed rings (2) connection, it is characterised in that: the connecting rod (4) be provided with more and spaced set in Between first fixed ring (1) and the second fixed ring (2), each connecting rod (4) include first connecting rod (41), with it is described The second connecting rod (42) that first connecting rod (41) is threadedly coupled；Every one second connecting rod (42) is far from first connecting rod (41) One end is provided with a ball stud (43), and the first fixed ring (1) upper end spaced set has the multiple and ball stud (43) ball cup (47) being cooperatively connected；Second fixed ring (2) lower end spaced set has multiple to be connect with described first The connection pedestal (44) of bar (41) rotation connection, and the one end of each first connecting rod (41) far from the second connecting rod (42) is logical A bolt (46) is crossed to connect with second fixed ring (2)；

First fixed ring (1) and the second fixed ring (2) are connected with a Kirschner wire by least one set of pin fixture block (5) (54), every group of pin fixture block (5) includes two for being relatively arranged on the first fixed ring (1) or the second fixed ring (2) side both ends Pin fixture block (5).

2. a kind of annular outside fixed frame for external osteosynthesis convenient for adjusting according to claim 1, it is characterised in that: through described the One fixed ring (1) and the second fixed ring (2) are equidistantly provided with multiple band internal thread mounting holes (6), each pin fixture block (5) include fixing end (52), for the thread head (53) that is cooperatively connected with the mounting hole (6), the fixing end (52) and The thread head (53) is fixedly connected, and each fixing end (52) is provided with one for fixing the jack of the Kirschner wire (54) (51)。