CN204618370U - A kind of convenient regulating type six-bar linkage external fixator for orthopedics dep - Google Patents
A kind of convenient regulating type six-bar linkage external fixator for orthopedics dep Download PDFInfo
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- CN204618370U CN204618370U CN201520277266.0U CN201520277266U CN204618370U CN 204618370 U CN204618370 U CN 204618370U CN 201520277266 U CN201520277266 U CN 201520277266U CN 204618370 U CN204618370 U CN 204618370U
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Abstract
The utility model discloses a kind of convenient regulating type six-bar linkage external fixator for orthopedics dep, comprise two fixtures and six length adjustable connecting rods be all connected between two fixtures, two fixtures are respectively inserting the first fixture that the locking pin that need fix osseous tissue one end is fixed and to the second fixture inserting the locking pin that need fix the osseous tissue other end and be fixed; Two fixtures are provided with multiple mounting structure installed for length adjustable connecting rod two ends, mounting structure is the hinge hole be opened on fixture or the installed part be arranged on fixture; When mounting structure is hinge hole, length adjustable connecting rod two ends are globular hinge end; When mounting structure is installed part, installed part is hinged seat or jointed shaft, and length adjustable connecting rod two ends are and are arranged in hinged seat or the hinged end be sleeved on jointed shaft.This utility model structure is simple, reasonable in design and easy and simple to handle, fixed, can solve the various problems that existing external fixer exists.
Description
Technical field
This utility model belongs to Osteological, reduction of the fracture technical field, especially relates to a kind of convenient regulating type six-bar linkage external fixator for orthopedics dep.
Background technology
Reset and be fixedly the key link for the treatment of fracture, good reset is conducive to the recovery of union of fracture and function, and the fixed form of fracturing directly affects the healing pattern of fracture.Reset at present for fracture mainly relies on doctors experience and x-ray equipment, makes repeated attempts and carries out; And good mechanical environment is conducive to union of fracture, as fixed form is unreasonable, nonunion may be caused.Union of fracture is a very long process, and each period needs different mechanical environments.Should take strong fixing in early days, and along with the process of union of fracture, need again the stress stimulation that fracture site necessity is provided, promote the regeneration of union of fracture and bone, so require fixed form both firm, the stress intensity of adjustable fracture site and fixed form again.External fixator not only wound of fracturing is little, and do not need second operation to take out internal fixtion, nowadays clinical increasing attention is subject to, especially the normal healing rule of bone is met most with the fixed form of the Ilizarov annular external fixer external fixer that is representative, it is not only fixed, and can pressurize to fracture site, to adapt to the different times of union of fracture.But because the annular external fixer of Ilizarov is difficult to regulate the position of fracture after surgery, so require higher to the reduction of the fracture in art, requires first there is good reset, and then carry out the installation of external fixer and fix.During Clinical practice, rely on doctors experience and x-ray equipment, first fracture is resetted, and then be fixed inserting of pin, and then external fixer is installed is fixed.But with the experience of doctor and the X-ray examination of two dimension, be difficult to ensure reset effect, even if it is satisfied to reset, also may when inserting locking pin, there is again new displacement in fracture.Thus, if locking pin implantation site is not good enough or the reduction of the fracture is bad, postoperative adjustment will be abnormal difficult, so need to make repeated attempts, repeatedly adjust, even need again to reset, again complete inserting of locking pin.Like this, not only extend operating time, increase the risk of operation, and a large amount of x-ray radiation also can affect the health of patient and doctor.
During Taylor's annular external fixer (TSF) treatment fracture, first can not carry out the reduction of the fracture, first carry out inserting of locking pin, then by regulating the length of connecting rod, fracture being resetted and fixes.But due to the syndeton between connecting rod and retainer ring, and the just enough feature of connecting rod itself, determine fixed mount overall unstable, during practical application, often need the stability increasing the structure guarantee external fixer entirety such as a connecting rod again.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of convenient regulating type six-bar linkage external fixator for orthopedics dep is provided, its structure is simple, reasonable in design and use easy and simple to handle, fixed, can solve the problem such as poor stability, the inconvenience of connecting rod length adjustment that existing external fixer exists.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of convenient regulating type six-bar linkage external fixator for orthopedics dep, it is characterized in that: comprise two fixtures and six length adjustable connecting rods be all connected between two described fixtures, two described fixtures are respectively inserting the first fixture that the locking pin that need fix osseous tissue one end is fixed and to the second fixture inserting the described locking pin that need fix the osseous tissue other end and be fixed, connected as one by six described length adjustable connecting rods between described first fixture and described second fixture, described first fixture and described second fixture include one or more fixing bracket body, multiple described fixing bracket body assembling formation assembling type frame body,
The two ends of described length adjustable connecting rod are arranged on two described fixtures respectively in hinged way; Two described fixtures are provided with multiple mounting structure installed for length adjustable connecting rod two ends, described mounting structure is the hinge hole be opened on described fixture or the installed part be arranged on described fixture; When described mounting structure is hinge hole, the two ends of described length adjustable connecting rod are the globular hinge end be installed in described hinge hole; When described mounting structure is installed part, described installed part is hinged seat or jointed shaft, and the two ends of described length adjustable connecting rod are and are arranged in hinged seat or the hinged end be sleeved on described jointed shaft.
Above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, it is characterized in that: the two ends of described length adjustable connecting rod are globular hinge end, the mounting structure that two described fixtures are arranged is hinged seat, two described fixtures are provided with the installing zone installed for hinged seat, described installing zone has hemispherical groove, described hinged seat has stopper slot, and described hemispherical groove and stopper slot make-up form the spherical mounting groove installed for described globular hinge end.
Above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, is characterized in that: above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, is characterized in that: described hinged seat is fixed on described fixture or with described fixture processing and fabricating by securing member and is integrated.
Above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, it is characterized in that: described length adjustable connecting rod comprise outer loop bar, coaxial package in outer loop bar and can movable in loop bar outside in bar, internally the bar cover length loaded in overcoat bar carry out the length adjustment piece that regulates and externally loop bar and interior bar carry out the locking member that is locked, described locking member is arranged on outer loop bar; Described interior bar is for being provided with externally threaded threaded rod, and the inner middle part of described outer loop bar has the installation passage installed for interior bar, and the inner of described interior bar is set in described installation passage; The outer end of described outer loop bar and interior bar is arranged on two described fixtures respectively in hinged way;
Described length adjustment piece is spacing regulating part or assembled regulating part; Described spacing regulating part is to move forward and backward on interior bar and externally loop bar carries out the first spacing regulating part, described spacing regulating part is sleeved on interior bar and it is positioned at inside outer loop bar, described spacing regulating part is connected threadably with between interior bar, described spacing regulating part has the internal thread hole installed for interior bar; Described assembled regulating part comprises and to be sleeved on interior bar and can the second regulating part movable on bar and the first connector of the second regulating part and outer loop bar being connected as one, one end of described first connector is connected with described second regulating part and its other end is connected with the inner of outer loop bar, described second regulating part is inside outer loop bar and be connected threadably between its with interior bar, described second regulating part has the internal thread hole installed for interior bar.
Above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, is characterized in that: described first regulating part and the second regulating part are adjusting nut.
Above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, it is characterized in that: described length adjustable connecting rod also comprises the linear measure longimetry mechanism of measuring its length, the sidewall of described outer loop bar has elongate holes, described elongate holes is laid along the central axis of outer loop bar, described linear measure longimetry mechanism comprises the rule be laid on the hole wall of elongate holes and the chaining pin be used in combination with rule, and the inner lateral wall that described chaining pin is laid in interior bar extend out in elongate holes.
Above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, it is characterized in that: described first connector is fixedly mounted on outer loop bar the inner or is integrated with the inner processing and fabricating of outer loop bar, and described first connector is undertaken being connected or connecting with inserting mode, snap fit or thread connecting mode by removable connector with between the second regulating part.
Above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, it is characterized in that: described first connector is fixedly mounted on the second regulating part or with the second regulating part processing and fabricating and is integrated, undertaken being connected or connecting with inserting mode, snap fit or thread connecting mode by removable connector between described first connector with outer loop bar the inner.
Above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, is characterized in that: described first connector is be sleeved on the collar on the second regulating part.
Above-mentioned convenient regulating type six-bar linkage external fixator for orthopedics dep, is characterized in that: the shape of described fixing bracket body is circular, ellipse, circular arc or polygon.
This utility model compared with prior art has the following advantages:
1, rational in infrastructure, fixed, easy to operate.
2, the first fixture and the second fixture shape, size and structure, all can choose at random, can meet the individual demand of patient.The two ends of length adjustable connecting rod and the connected mode between the first fixture and the second fixture are hinged, be preferably the articulated manner of ball-and-socket joint, both stablized, connecting rod can be allowed again to screw and around the movement around the center of ball-and-socket joint, make the overall structure stability of external fixer, simultaneously again can by regulating the length of each connecting rod, length of connecting rod regulates easy, realizes the reset of fracture and orthopedic.
3, the length adjustable bar linkage structure adopted is simple, reasonable in design and easy to adjust, the length adjustment process of length adjustable connecting rod comprises coarse adjustment and accurate adjustment two steps, first by coarse adjustment by lever regulated for length adjustable to required substantial distance, by length adjustment piece, accurate adjustment is carried out to length adjustable connecting rod again, thus realize carrying out object that is easy, that regulate fast and accurately to the length of length adjustable connecting rod.
4, length adjustable connecting rod is provided with locking member, as jackscrew etc., the stability of bar linkage structure can be ensured.
5, the length adjustable connecting rod adopted is provided with linear measure longimetry mechanism, in adjustment process, the length of energy reading length adjustable connecting rod easy, directly perceived.
6, after adjacent two length adjustable connecting rods composition V-shaped connector, this V-shaped connector and and form triangle between the first fixture and the second fixture, thus structure is more stable, and fixed.
7, the first fixture and the second fixture both can adopt single fixing bracket body, also the assembling type frame body be made up of multiple fixing bracket body can be adopted, when adopting assembling type frame body, can to fracture site carry out direct-axis to pressurization or retract, to adapt to the different times of union of fracture, be conducive to union of fracture.
8, length adjustable connecting rod form V-shaped connector installation position can arbitrarily adjust, thus actual occupation mode is flexible, and if patient is open injury, then V-shaped connector can be fixed away from wound side, is convenient to Postoperative Dressing, nursing.
9, flexible operation mode is used, mainly comprise following two kinds and use mode of operation: the first, first the two ends of each length adjustable connecting rod are connected with the first fixture and the second fixture respectively, then as required the length of each length adjustable connecting rod are regulated; The second, first the length of each length adjustable connecting rod is regulated, and then the length of each length adjustable connecting rod good for length adjustment is connected with the first fixture and the second fixture respectively, this kind uses mode of operation can effectively avoid length adjustment process by the restriction of other length adjustable connecting rod.Thus, when this utility model being regulated in actual use procedure, both can overall package complete after the length of each length adjustable connecting rod is regulated, also the length of each length adjustable connecting rod can first be regulated, and then assemble, effectively can reduce the misery of patient like this, shorten operating time.
10, use easy and simple to handle and result of use good, be not only applicable to the reduction of the fracture, malformation correction can also be carried out, actual when carrying out malformation correction or reseting fracture, both can realize by regulating the length of each length adjustable connecting rod, also can by adjusting each length adjustable connecting rod and the relative position between the first fixture and the second fixture realizes.
In sum, this utility model structure is simple, reasonable in design and use easy and simple to handle, fixed, can solve the problem such as less stable, the inconvenience of connecting rod length adjustment that existing external fixer exists.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1.
Fig. 2 is the perspective view of this utility model embodiment 1.
Fig. 2-1 is the structural representation of this utility model first retainer ring.
Fig. 2-2 is the structural representation of this utility model hinged seat.
Fig. 3 by this utility model embodiment 1 the structural representation of employing length adjustable connecting rod.
Fig. 4 by this utility model embodiment 1 the using state reference diagram of employing linear measure longimetry mechanism.
Fig. 5 by this utility model embodiment 1 the internal structure schematic diagram of employing length adjustable connecting rod.
Fig. 6 by this utility model embodiment 2 the structural representation of employing length adjustable connecting rod.
Fig. 7 by this utility model embodiment 2 the internal structure schematic diagram of employing length adjustable connecting rod.
Fig. 7-1 is the partial enlarged drawing at A place in Fig. 7.
Fig. 7-2 is the partial enlarged drawing at B place in Fig. 7.
Fig. 8 by this utility model embodiment 2 in employing length adjustable connecting rod portable regulating part be connected with outer loop bar the inner after structural representation.
Fig. 9 by this utility model embodiment 3 the internal structure schematic diagram of employing length adjustable connecting rod.
Fig. 9-1 is the partial enlarged drawing at A place in Fig. 9.
Description of reference numerals:
1-length adjustable connecting rod; 1-1-outer loop bar; 1-2-interior bar;
1-3-the first regulating part; 1-4-the second regulating part; 1-41-draw-in groove;
1-5-the first connector; 1-51-connection pawl; 2-elongate holes;
3-rule; 4-chaining pin; 5-hinged seat;
5-1-hemispherical groove; 5-2-stopper slot; 6-fastening bolt;
7-1-the first retainer ring; 7-2-the second retainer ring; 8-jackscrew;
9-cuff; 10-1-the first bolt mounting holes;
10-2-the second bolt mounting holes.
Detailed description of the invention
Embodiment 1
As shown in Figure 1 and Figure 2, this utility model comprises two fixtures and six length adjustable connecting rods 1 be all connected between two described fixtures, two described fixtures are respectively inserting the first fixture that the locking pin that need fix osseous tissue one end is fixed and to the second fixture inserting the described locking pin that need fix the osseous tissue other end and be fixed, being connected as one between described first fixture and described second fixture by six described length adjustable connecting rods 1; Described first fixture and described second fixture include one or more fixing bracket body, multiple described fixing bracket body assembling formation assembling type frame body.
The two ends of described length adjustable connecting rod 1 are arranged on two described fixtures respectively in hinged way.Two described fixtures are provided with multiple mounting structure installed for length adjustable connecting rod 1 two ends, described mounting structure is the hinge hole be opened on described fixture or the installed part be arranged on described fixture; When described mounting structure is hinge hole, the two ends of described length adjustable connecting rod 1 are the globular hinge end be installed in described hinge hole; When described mounting structure is installed part, described installed part is hinged seat 5 or jointed shaft, and the two ends of described length adjustable connecting rod 1 are and are arranged in hinged seat 5 or the hinged end be sleeved on described jointed shaft.
In the present embodiment, described mounting structure is be arranged on the installed part on described fixture, and described installed part is hinged seat 5, and the two ends of described length adjustable connecting rod 1 are the globular hinge end be arranged in hinged seat 5.
Further, described hinged seat 5 is fixed on described fixture or with described fixture processing and fabricating by securing member and is integrated.
As shown in Fig. 2-1 and Fig. 2-2, the two ends of described length adjustable connecting rod 1 are globular hinge end, the mounting structure that two described fixtures are arranged is hinged seat 5, two described fixtures are provided with the installing zone installed for hinged seat 5, described installing zone has hemispherical groove 5-1, described hinged seat 5 has stopper slot 5-2, and described hemispherical groove 5-1 and stopper slot 5-2 make-up form the spherical mounting groove installed for described globular hinge end.
In the present embodiment, described installing zone is provided with the boss installed for hinged seat 5, the quantity of described boss and the installation position of each boss are not limit.Actually add man-hour, can not boss be set; Also can according to specific needs, to the position of boss with highly adjust accordingly.
As shown in Figure 3, in the present embodiment, described length adjustable connecting rod 1 comprise outer loop bar 1-1, coaxial package in outer loop bar 1-1 and can movable in loop bar 1-1 outside in bar 1-2, internally bar 1-2 overlap length adjustment piece that the length loaded in overcoat bar 1-1 carries out regulating and externally loop bar 1-1 and interior bar 1-2 carry out the locking member that is locked, described locking member is arranged on outer loop bar 1-1.Described interior bar 1-2 is for being provided with externally threaded threaded rod, and the inner middle part of described outer loop bar 1-1 has the installation passage installed for interior bar 1-2, and the inner of described interior bar 1-2 is set in described installation passage.The outer end of described outer loop bar 1-1 and interior bar 1-2 is arranged on two described fixtures respectively in hinged way.
Described length adjustment piece is spacing regulating part; Described spacing regulating part is to move forward and backward on interior bar 1-2 and externally loop bar 1-1 carries out the first spacing regulating part 1-3, described spacing regulating part is sleeved on interior bar 1-2 and it is positioned at inside outer loop bar 1-1, be connected threadably between described spacing regulating part with interior bar 1-2, described spacing regulating part have the internal thread hole installed for interior bar 1-2.
In the present embodiment, the outer end of described outer loop bar 1-1 and interior bar 1-2 is globular hinge end.
In the present embodiment, described first regulating part 1-3 is adjusting nut.
In the present embodiment, described locking member is jackscrew 8, the inner sidewall of described outer loop bar 1-1 has the installing hole installed for jackscrew 8.
During actual use, described locking member also can adopt the locking element of other type.
For locking is more firm, and make the screw thread of interior bar 1-2 not fragile, the sidewall of described interior bar 1-2 is provided with the platform for jackscrew 8 support top or groove.
As shown in Figure 4, Figure 5, described length adjustable connecting rod 1 also comprises the linear measure longimetry mechanism of measuring its length, the sidewall of described outer loop bar 1-1 has elongate holes 2, described elongate holes 2 is laid along the central axis of outer loop bar 1-1, the chaining pin 4 that described linear measure longimetry mechanism comprises the rule 3 on the hole wall being laid in elongate holes 2 and is used in combination with rule 3, the inner lateral wall that described chaining pin 4 is laid in interior bar 1-2 extend out in elongate holes 2.
In the present embodiment, described chaining pin 4 is vertical runs with interior bar 1-2.
In the present embodiment, the graduation mark of described rule 3 set by the side of elongate holes 2.
In actual use procedure, by described linear measure longimetry mechanism, to carry out fast the adjustment length of described length adjustable connecting rod 1, Measurement accuracy, use operation very easy.
In the present embodiment, described hinged seat 5 is fixed on described fixture by securing member, and described securing member is fastening bolt 6.Described hinged seat 5 has the first bolt mounting holes 10-1 installed for fastening bolt 6.
During actual use, also hinged seat 5 and fastening bolt 6 can be processed as one, or fastening bolt 6 and described fixture are processed as one.
Correspondingly, described first fixture and the second fixture all have multiple the second bolt mounting holes 10-2 supplying fastening bolt 6 to install respectively.During actual use, according to specific needs, easy adjustment can be carried out to the installation site of each hinged seat 5 that described first fixture and the second fixture are installed.Further, described first fixture and the second fixture all have the fixing hole that the described locking pin of one or more confession is installed.
Actually add man-hour, the shape of described fixing bracket body is circular, oval, circular arc or polygon.
In the present embodiment, the shape of described fixing bracket body is circular.Thus, described first fixture is the first retainer ring 7-1, and described second fixture is the second retainer ring 7-2.
In the present embodiment, described first retainer ring 7-1 is positioned at above the second retainer ring 7-2.During actual use, described first retainer ring 7-1 and the second retainer ring 7-2 is separately fixed at the near-end and far-end that need fix osseous tissue.
In the present embodiment, six described length adjustable connecting rods 1 are divided into three groups, often organize described length adjustable connecting rod 1 and include two adjacent described length adjustable connecting rods 1, and two the described length adjustable connecting rods 1 often organized in described length adjustable connecting rod 1 all form a V-shaped connector.
In the present embodiment, two described length adjustable connecting rods 1 in each described V-shaped connector are respectively the left connecting rod being positioned at left side and the right connecting rod be positioned on the right side of described left connecting rod, the right V-shaped connector that adjacent two described V-shaped connectors are respectively left V-shaped connector and are positioned on the right side of described left V-shaped connector.Two in each described V-shaped connector described length adjustable connecting rods 1 share a hinged seat 5 be arranged on the second retainer ring 7-2, and the left connecting rod of the right connecting rod of described left V-shaped connector and described right V-shaped connector shares a hinged seat 5 be arranged on the first retainer ring 7-1.
Thus, in the present embodiment, the boss that described V-shaped connector and the first retainer ring 7-1 and the second retainer ring 7-2 are arranged is three with the quantity of the hinged seat 5 of installation, and three hinged seats 5 of three described V-shaped connectors and upper three the described boss arranging of the first retainer ring 7-1 and the second retainer ring 7-2 and installation are all in even laying.
In the present embodiment, the middle part of described hinged seat 5 has a first bolt mounting holes 10-1, and the left and right sides of hinged seat 5 has a stopper slot 5-2.Further, the first retainer ring 7-1 and the second retainer ring 7-2 is provided with multiple installing zone, each described installing zone all has the second bolt mounting holes 10-2, the left and right sides of described second bolt mounting holes 10-2 has a hemispherical groove.
During actual use, when the left connecting rod of the right connecting rod of described left V-shaped connector and described right V-shaped connector do not share one be arranged on the hinged seat 5 on the first retainer ring 7-1 time, the quantity of the hinged seat 5 that the first retainer ring 7-1 installs is 6, and three described V-shaped connectors are that interval is laid.When two described length adjustable connecting rods 1 in each described V-shaped connector do not share a hinged seat 5, the quantity of the hinged seat 5 that the second retainer ring 7-2 installs is 6.
Thus, the right connecting rod of two in described V-shaped connector described length adjustable connecting rods 1 and described left V-shaped connector and the left connecting rod of described right V-shaped connector, both can share a hinged seat 5, also can use a hinged seat 5 respectively; The hinged seat 5 that described first retainer ring 7-1 and the second retainer ring 7-2 installs can be uniformly distributed, and also can adjust the position of each hinged seat 5 as the case may be.
In the present embodiment, the described length adjustment piece on six described length adjustable connecting rods 1 is spacing regulating part.
In actual use procedure, easy, the fine adjustment of length energy of each length adjustable connecting rod 1 be connected between described first fixture with described second fixture, the length adjusting method of each length adjustable connecting rod 1 is all identical.
When the length of any one length adjustable connecting rod 1 is regulated, include coarse adjustment and accurate adjustment two steps, first by coarse adjustment, length adjustable connecting rod 1 is adjusted to required substantial distance, by described spacing regulating part, accurate adjustment is carried out to described length adjustable connecting rod 1 again, thus realize carrying out object that is easy, that regulate fast and accurately to the length of described length adjustable connecting rod 1.
Actual when regulating, first carry out coarse adjustment, process is as follows: unclamp described locking member, now interior bar 1-2 can freely move forward and backward in loop bar 1-1 outside, bar 1-2 in the push-and-pull of front and back, just can the length that stretches in outer loop bar 1-1 of easy internal bar 1-2 regulate, and after regulating, lock described locking member and complete coarse adjustment, thus reach the object of quick, easy adjustment described length adjustable connecting rod 1 length, thus coarse tuning process is very easy, quick.As also needed to carry out accurate adjustment, process is as follows: after coarse adjustment puts in place, first regulating part 1-3 moved to the outer end of outer loop bar 1-1 by screwing and is adjacent to, accurate adjustment is carried out again: when carrying out growth to the length of described length adjustable connecting rod 1 and regulating by the length of the first regulating part 1-3 to described length adjustable connecting rod 1, unclamp described locking member, by screwing the first regulating part 1-3, the inner of its inside bar 1-2 is moved, promoting outer loop bar 1-1 makes interior bar 1-2 and outer loop bar 1-1 move round about, the length of length adjustable connecting rod 1 increases, described locking member is locked after accurate adjustment puts in place, when carrying out shortening to the length of described length adjustable connecting rod 1 and regulating, make it away from outer loop bar 1-1 by screwing the first regulating part 1-3, then described locking member is unclamped, interior bar 1-2 outside loop bar 1-1 side promotes by subtend extruding, be close to until outer loop bar 1-1 is inner with the first regulating part 1-3, now the length accurate adjustment of described length adjustable connecting rod 1 is put in place, lock described locking member and complete adjustment process.
Thus, carry out in accurate adjustment process to the length of described length adjustable connecting rod 1, undertaken spacing by the inner of the first regulating part 1-3 external loop bar 1-1.After accurate adjustment puts in place, fixing described locking member, is locked outer loop bar 1-1 and interior bar 1-2 and is integrated, the length of length adjustable connecting rod 1 is remained unchanged.
Embodiment 2
As shown in Fig. 6, Fig. 7, Fig. 7-1, Fig. 7-2 and Fig. 8, in the present embodiment, as different from Example 1: described length adjustment piece is assembled regulating part; Described assembled regulating part comprises and to be sleeved on interior bar 1-2 and can the second regulating part 1-4 movable on bar 1-2 and the first connector 1-5 of being connected as one by the second regulating part 1-4 and outer loop bar 1-1, one end of described first connector 1-5 is connected with the second regulating part 1-4 and its other end is connected with the inner of outer loop bar 1-1, described second regulating part 1-4 is inside outer loop bar 1-1 and be connected threadably between its with interior bar 1-2, described second regulating part 1-4 has the internal thread hole installed for interior bar 1-2.
In the present embodiment, described second regulating part 1-4 is adjusting nut.
In the present embodiment, described first connector 1-5 is fixedly mounted on the second regulating part 1-4 or with the second regulating part 1-4 processing and fabricating and is integrated, and is undertaken being connected or connecting with inserting mode, snap fit or thread connecting mode between described first connector 1-5 with outer loop bar 1-1 the inner by removable connector.
That is, in actual use procedure, described first connector 1-5 and the second regulating part 1-4 connects as one all the time.
In the present embodiment, described removable connector is screw, bolt etc.
In the present embodiment, described second regulating part 1-4 is adjusting nut.Described first connector 1-5 is sleeved on the collar on interior bar 1-2, and the described collar is sleeved on the second regulating part 1-4.
In the present embodiment, described chaining pin 4 comprises cylindrical needle, and described cylindrical needle top has the benchmark wire casing be used in combination with rule 3.
In the present embodiment, the described length adjustment piece on six described length adjustable connecting rods 1 is assembled regulating part.
During actual use, the described length adjustment piece on six described length adjustable connecting rods 1, also can both comprise spacing regulating part, comprise again assembled regulating part.
In actual use procedure, when the length of any one length adjustable connecting rod 1 is regulated, include coarse adjustment and accurate adjustment two steps, first by coarse adjustment, length adjustable connecting rod 1 is adjusted to required substantial distance, by described assembled regulating part, accurate adjustment is carried out to described length adjustable connecting rod 1 again, thus realize carrying out object that is easy, that regulate fast and accurately to the length of described length adjustable connecting rod 1.
Actual when regulating, first carry out coarse adjustment, process is as follows: under original state, and the connection between the first connector 1-5 and outer loop bar 1-1 the inner is in off-state, by screwing the second regulating part 1-4, the second regulating part 1-4 and the first connector 1-5 is moved to interior bar 1-2 outer end in the lump; Unclamp described locking member again, now interior bar 1-2 can freely move forward and backward in loop bar 1-1 outside, bar 1-2 in the push-and-pull of front and back, just can the length that stretches in outer loop bar 1-1 of easy internal bar 1-2 regulate, thus reach the object of quick, easy adjustment described length adjustable connecting rod 1 length, when being adjusted to Len req, locking described locking member and completing coarse adjustment, thus coarse tuning process is very simple, quick.As also needed to carry out accurate adjustment, process is as follows: unclamp described locking member, by screwing the second regulating part 1-4, second regulating part 1-4 and the first connector 1-5 in the lump outside loop bar 1-1 side is moved, until the first connector 1-5 is inner near outer loop bar 1-1, and the first connector 1-5 is connected with outer loop bar 1-1 the inner, like this by the first connector 1-5, second regulating part 1-4 and outer loop bar 1-1 the inner are connected as one, then accurate adjustment is carried out by the length of the second regulating part 1-4 to described length adjustable connecting rod 1: when carrying out growth to the length of described length adjustable connecting rod 1 and regulating, by screwing, the second regulating part 1-4 outside loop bar 1-1 side is adjusted, and in the adjustment process of the second regulating part 1-4 outside loop bar 1-1 side, promote outer loop bar 1-1 to move laterally, until the length accurate adjustment of described length adjustable connecting rod 1 is put in place, when carrying out shortening to the length of described length adjustable connecting rod 1 and regulating, by screwing, the second regulating part 1-4 inside bar 1-2 side is adjusted, and in the adjustment process of the second regulating part 1-4 inside bar 1-2 side, outer loop bar 1-1 is pulled to move to the inside, until the length accurate adjustment of described length adjustable connecting rod 1 put in place.
Thus, carry out in accurate adjustment process to the length of described length adjustable connecting rod 1, by screwing the second regulating part 1-4 connected as one with outer loop bar 1-1 the inner, driving outer loop bar 1-1 to move to inside and outside both sides, realizing the object of the length of described length adjustable connecting rod 1 being carried out to accurate adjustment.After accurate adjustment puts in place, fixing described locking member, is locked outer loop bar 1-1 and interior bar 1-2 and is integrated, the length of length adjustable connecting rod 1 is remained unchanged.
In the present embodiment, the structure of remainder is all identical with embodiment 1 with annexation.
Embodiment 3
As shown in Fig. 9 and Fig. 9-1, in the present embodiment, as different from Example 2: described first connector 1-5 is fixedly mounted on outer loop bar 1-1 the inner or is integrated with the inner processing and fabricating of outer loop bar 1-1, and described first connector 1-5 is undertaken being connected or connecting with inserting mode, snap fit or thread connecting mode by removable connector with between the second regulating part 1-4.
That is, in actual use procedure, described first connector 1-5 and outer loop bar 1-1 the inner connect as one all the time.
In the present embodiment, described removable connector is screw, bolt etc.
In the present embodiment, described first connector 1-5 comprises multiple connection pawl 1-51 being fixedly mounted on outer loop bar 1-1 the inner, described second regulating part 1-4 has multiple respectively for the draw-in groove 1-41 that multiple described connection pawl 1-51 front end clamps.Reliable for connecting, be also set with cuff 9 outside multiple described connection pawl 1-51.
Further, for easy to connect, the inner of described second regulating part 1-4 is conical.
In actual use procedure, when the length of any one length adjustable connecting rod 1 is regulated, include coarse adjustment and accurate adjustment two steps, first by coarse adjustment, length adjustable connecting rod 1 is adjusted to required substantial distance, by described assembled regulating part, accurate adjustment is carried out to described length adjustable connecting rod 1 again, thus realize carrying out object that is easy, that regulate fast and accurately to the length of described length adjustable connecting rod 1.
Actual when regulating, first carry out coarse adjustment, process is as follows: under original state, and the connection between the first connector 1-5 and the second regulating part 1-4 is in off-state, during use, first by screwing the second regulating part 1-4, is moved to interior bar 1-2 outer end; Unclamp described locking member again, now interior bar 1-2 can freely move forward and backward in loop bar 1-1 outside, bar 1-2 in the push-and-pull of front and back, just can the length that stretches in outer loop bar 1-1 of easy internal bar 1-2 regulate, thus reach the object of quick, easy adjustment described length adjustable connecting rod 1 length, when being adjusted to Len req, locking described locking member and completing coarse adjustment, thus coarse tuning process is very simple, quick.As need accurate adjustment be carried out, process is as follows: after coarse adjustment puts in place, by the outer end slippage of outside for cuff 9 loop bar 1-1, by screwing the second regulating part 1-4, the second regulating part 1-4 outside loop bar 1-1 side is moved, until the second regulating part 1-4 is adjusted near outer loop bar 1-1 inner, and inner to the second regulating part 1-4 and outer loop bar 1-1 the connection pawl 1-51 fixed is connected, and when connecting pawl 1-51 front end and being installed in draw-in groove 1-41, by the inner slippage of outside for cuff 9 loop bar 1-1, make to connect pawl 1-51 and draw-in groove 1-41 to be fastenedly connected, like this by the first connector 1-5, second regulating part 1-4 and outer loop bar 1-1 the inner are connected as one, accurate adjustment is carried out again: when carrying out growth to the length of described length adjustable connecting rod 1 and regulating by the length of the second regulating part 1-4 to described length adjustable connecting rod 1, by screwing, the second regulating part 1-4 outside loop bar 1-1 side is adjusted, and in the adjustment process of the second regulating part 1-4 outside loop bar 1-1 side, promote outer loop bar 1-1 to move laterally, until the length accurate adjustment of described length adjustable connecting rod 1 is put in place, when carrying out shortening to the length of described length adjustable connecting rod 1 and regulating, by screwing, the second regulating part 1-4 inside bar 1-2 side is adjusted, and in the adjustment process of the second regulating part 1-4 inside bar 1-2 side, outer loop bar 1-1 is pulled to move to the inside, until the length accurate adjustment of described length adjustable connecting rod 1 put in place.
Thus, carry out in accurate adjustment process to the length of described length adjustable connecting rod 1, by screwing the second regulating part 1-4, driving outer loop bar 1-1 to move to inside and outside both sides, realizing the object of the length of described length adjustable connecting rod 1 being carried out to accurate adjustment.After accurate adjustment puts in place, fixing described locking member, is locked outer loop bar 1-1 and interior bar 1-2 and is integrated, the length of length adjustable connecting rod 1 is remained unchanged.
In the present embodiment, the structure of remainder is all identical with embodiment 2 with annexation.
The above; it is only preferred embodiment of the present utility model; not this utility model is imposed any restrictions; every above embodiment is done according to this utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a convenient regulating type six-bar linkage external fixator for orthopedics dep, it is characterized in that: comprise two fixtures and six length adjustable connecting rods (1) be all connected between two described fixtures, two described fixtures are respectively inserting the first fixture that the locking pin that need fix osseous tissue one end is fixed and to the second fixture inserting the described locking pin that need fix the osseous tissue other end and be fixed, being connected as one between described first fixture and described second fixture by six described length adjustable connecting rods (1); Described first fixture and described second fixture include one or more fixing bracket body, multiple described fixing bracket body assembling formation assembling type frame body;
The two ends of described length adjustable connecting rod (1) are arranged on two described fixtures respectively in hinged way; Two described fixtures are provided with multiple mounting structure installed for length adjustable connecting rod (1) two ends, described mounting structure is the hinge hole be opened on described fixture or the installed part be arranged on described fixture; When described mounting structure is hinge hole, the two ends of described length adjustable connecting rod (1) are the globular hinge end be installed in described hinge hole; When described mounting structure is installed part, described installed part is hinged seat (5) or jointed shaft, and the two ends of described length adjustable connecting rod (1) are and are arranged in hinged seat (5) or the hinged end be sleeved on described jointed shaft.
2. according to convenient regulating type six-bar linkage external fixator for orthopedics dep according to claim 1, it is characterized in that: the two ends of described length adjustable connecting rod (1) are globular hinge end, the mounting structure that two described fixtures are arranged is hinged seat (5), two described fixtures are provided with the installing zone installed for hinged seat (5), described installing zone has hemispherical groove (5-1), described hinged seat (5) has stopper slot (5-2), described hemispherical groove (5-1) and stopper slot (5-2) make-up form the spherical mounting groove installed for described globular hinge end.
3. according to the convenient regulating type six-bar linkage external fixator for orthopedics dep described in claim 1 or 2, it is characterized in that: described hinged seat (5) is fixed on described fixture or with described fixture processing and fabricating by securing member and is integrated.
4. according to the convenient regulating type six-bar linkage external fixator for orthopedics dep described in claim 1 or 2, it is characterized in that: described length adjustable connecting rod (1) comprises outer loop bar (1-1), coaxial package in outer loop bar (1-1) and interior bar (1-2) that can be movable in loop bar (1-1) outside, internally bar (1-2) the cover length loaded in overcoat bar (1-1) carry out the locking member that the length adjustment piece that regulates and external loop bar (1-1) and interior bar (1-2) carry out being locked, and described locking member is arranged on outer loop bar (1-1); Described interior bar (1-2) is for being provided with externally threaded threaded rod, the inner middle part of described outer loop bar (1-1) has the installation passage installed for interior bar (1-2), and the inner of described interior bar (1-2) is set in described installation passage; The outer end of described outer loop bar (1-1) and interior bar (1-2) is arranged on two described fixtures respectively in hinged way;
Described length adjustment piece is spacing regulating part or assembled regulating part, described spacing regulating part is can go up movable and external loop bar (1-1) at interior bar (1-2) to carry out spacing the first regulating part (1-3), described spacing regulating part is sleeved on that interior bar (1-2) is upper and it is positioned at outer loop bar (1-1) inner side, be connected threadably between described spacing regulating part with interior bar (1-2), described spacing regulating part have the internal thread hole installed for interior bar (1-2), described assembled regulating part comprises that to be sleeved on interior bar (1-2) upper and can upper movable the second regulating part (1-4) of bar (1-2) and the first connector (1-5) of the second regulating part (1-4) and outer loop bar (1-1) being connected as one, one end of described first connector (1-5) is connected with the second regulating part (1-4) and its other end is connected with the inner of outer loop bar (1-1), described second regulating part (1-4) is positioned at outer loop bar (1-1) inner side and is connected threadably between its with bar (1-2), described second regulating part (1-4) has the internal thread hole installed for interior bar (1-2).
5. according to convenient regulating type six-bar linkage external fixator for orthopedics dep according to claim 4, it is characterized in that: described first regulating part (1-3) and the second regulating part (1-4) are adjusting nut.
6. according to convenient regulating type six-bar linkage external fixator for orthopedics dep according to claim 4, it is characterized in that: described length adjustable connecting rod (1) also comprises the linear measure longimetry mechanism of measuring its length, the sidewall of described outer loop bar (1-1) has elongate holes (2), described elongate holes (2) is laid along the central axis of outer loop bar (1-1), the chaining pin (4) that described linear measure longimetry mechanism comprises the rule (3) on the hole wall being laid in elongate holes (2) and is used in combination with rule (3), the inner lateral wall that described chaining pin (4) is laid in interior bar (1-2) extend out in elongate holes (2).
7. according to convenient regulating type six-bar linkage external fixator for orthopedics dep according to claim 4, it is characterized in that: described first connector (1-5) is fixedly mounted on outer loop bar (1-1) the inner or is integrated with outer loop bar (1-1) inner processing and fabricating, and described first connector (1-5) is undertaken being connected or connecting with inserting mode, snap fit or thread connecting mode by removable connector with between the second regulating part (1-4).
8. according to convenient regulating type six-bar linkage external fixator for orthopedics dep according to claim 4, it is characterized in that: described first connector (1-5) is fixedly mounted on the second regulating part (1-4) or is integrated with the second regulating part (1-4) processing and fabricating, and described first connector (1-5) is undertaken being connected or connecting with inserting mode, snap fit or thread connecting mode by removable connector with between outer loop bar (1-1) the inner.
9. according to convenient regulating type six-bar linkage external fixator for orthopedics dep according to claim 4, it is characterized in that: described first connector (1-5) is for being sleeved on the collar on the second regulating part (1-4).
10. according to the convenient regulating type six-bar linkage external fixator for orthopedics dep described in claim 1 or 2, it is characterized in that: the shape of described fixing bracket body is circular, ellipse, circular arc or polygon.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277266.0U CN204618370U (en) | 2015-04-30 | 2015-04-30 | A kind of convenient regulating type six-bar linkage external fixator for orthopedics dep |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520277266.0U CN204618370U (en) | 2015-04-30 | 2015-04-30 | A kind of convenient regulating type six-bar linkage external fixator for orthopedics dep |
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| CN204618370U true CN204618370U (en) | 2015-09-09 |
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| CN201520277266.0U Active CN204618370U (en) | 2015-04-30 | 2015-04-30 | A kind of convenient regulating type six-bar linkage external fixator for orthopedics dep |
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| CN106264690A (en) * | 2016-08-24 | 2017-01-04 | 义乌敦仁智能科技有限公司 | A kind of electronic Taylor space external fixed support for bone |
| CN106264691A (en) * | 2016-08-31 | 2017-01-04 | 温州医科大学附属第二医院 | A kind of auxiliary art accurately resets and holds pelvis exterior fixation bracket |
| CN106361420A (en) * | 2016-09-12 | 2017-02-01 | 义乌敦仁智能科技有限公司 | External skeletal fixation orthopedic frame |
| WO2017139517A1 (en) | 2016-02-09 | 2017-08-17 | Amdt Holdings, Inc. | External bone fixation systems |
| CN108742804A (en) * | 2018-06-05 | 2018-11-06 | 天津大学 | A kind of method of the reduction of the fracture and the exterior fixing rack in parallel for the reduction of the fracture |
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| WO2017139517A1 (en) | 2016-02-09 | 2017-08-17 | Amdt Holdings, Inc. | External bone fixation systems |
| JP2019509790A (en) * | 2016-07-14 | 2019-04-11 | エーエムディーティー ホールディングス インコーポレイテッドＡｍｄｔ Ｈｏｌｄｉｎｇｓ， Ｉｎｃ． | External bone fixation system |
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| US11471192B2 (en) | 2016-07-14 | 2022-10-18 | Amdt Holdings, Inc. | External bone fixation systems |
| CN106264690A (en) * | 2016-08-24 | 2017-01-04 | 义乌敦仁智能科技有限公司 | A kind of electronic Taylor space external fixed support for bone |
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| CN106361420A (en) * | 2016-09-12 | 2017-02-01 | 义乌敦仁智能科技有限公司 | External skeletal fixation orthopedic frame |
| CN108742804B (en) * | 2018-06-05 | 2020-04-07 | 天津大学 | Parallel external fixing support for fracture reduction |
| CN108742804A (en) * | 2018-06-05 | 2018-11-06 | 天津大学 | A kind of method of the reduction of the fracture and the exterior fixing rack in parallel for the reduction of the fracture |
| CN111743613B (en) * | 2020-07-14 | 2022-02-15 | 山东中医药大学附属医院 | Adjustable fracture repositor |
| CN111743613A (en) * | 2020-07-14 | 2020-10-09 | 山东中医药大学附属医院 | Adjustable fracture repositor |
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