CN207979760U

CN207979760U - A kind of miniature fixator of fracture of calcaneus

Info

Publication number: CN207979760U
Application number: CN201720505223.2U
Authority: CN
Inventors: 薛锋; 唐果
Original assignee: SHANGHAI FENGXIAN CENTRL HOSPITAL
Current assignee: SHANGHAI FENGXIAN CENTRL HOSPITAL
Priority date: 2017-05-09
Filing date: 2017-05-09
Publication date: 2018-10-19
Anticipated expiration: 2027-05-09

Abstract

A kind of miniature fixator of fracture of calcaneus, including：There is the first fixed pin through-hole of the perforation left and right sides and the first lock hole with the first fixed pin through-hole lateral communication on Ji Gang, the Ji Gang, lock screw is equipped in first lock hole；Thick stick is pushed up, the front end and the front end of the Ji Gang of the top thick stick are hinged；The universal adjustment head into pin position and angle is adjusted, the universal adjustment head sliding is set to the upside of the top thick stick, there is the second fixed pin through-hole and the second lock hole with the second fixed pin through-hole lateral communication thereon, lock screw is equipped in second lock hole.The utility model is simple in structure, easy to operate, suitably thread a needle position and angle can be flexibly selected when threading a needle, very convenient, anti-torsion is strong.

Description

A kind of miniature fixator of fracture of calcaneus

Technical field

The utility model is related to the miniature fixators of field of medical products more particularly to a kind of fracture of calcaneus.

Background technology

Calcaneum reduction fixture device can be used for the treatment of clinically common calcaneum malformation correction and fracture of calcaneus, be bone A kind of important utensil of section.

When in use, need that selection suitably threads a needle position and angle penetrates fixed pin：Fixed pin as far as possible with backbone Vertically, fixed pin avoids damage to neural blood vessel as far as possible, as multidirectional as possible to thread a needle, and enhances anti-torsion performance.

Traditional calcaneum reduction fixture device is complicated, cumbersome, can not flexibly select suitably to wear when threading a needle Pin position and angle, it is very inconvenient.

Utility model content

Based on this, in view of the above technical problems, a kind of miniature fixator of fracture of calcaneus is provided.

In order to solve the above technical problems, the utility model adopts the following technical solution：

A kind of miniature fixator of fracture of calcaneus, including：

There is the first fixed pin through-hole of the perforation left and right sides on Ji Gang, the Ji Gang and lead to first fixed pin First lock hole of hole lateral communication, first lock hole is interior to be equipped with lock screw；

Thick stick is pushed up, the front end and the front end of the Ji Gang of the top thick stick are hinged；

The universal adjustment head into pin position and angle is adjusted, the universal adjustment head sliding is set to the upper of the top thick stick Side, has the second fixed pin through-hole and the second lock hole with the second fixed pin through-hole lateral communication thereon, and described the Lock screw is equipped in two lock holes.

This programme further includes length adjustment block, and the downside of the Ji Gang, which has, supplies the length adjustment block from rear end forward end The first sliding groove stretched into, the first sliding groove is interior to have the first sliding rail, and the lower opening of the first sliding groove is equipped with lock screw, Lower opening of the lock screw through the first sliding groove can length adjustment block described in contact upwards, before the length adjustment block The first sliding groove is stretched at end, and its downside has the first slide being slidably matched with first sliding rail, the length adjustment There is shank, the shank to have the third fixed pin through-hole at left and right sides of perforation and the rear end face from shank and institute for the rear end of block The third lock hole of third fixed pin through-hole connection is stated, there is lock screw in the third lock hole.

There is connection sheet, the front end of the top thick stick to be cut with scissors by a bolt and the connection sheet on the upside of the front end of the Ji Gang Connect, in the connection sheet have for limit it is described top thick stick rotational angle arc opening, it is described top thick stick front end have across The limiting section of the arc opening.

The upside of the top thick stick has the second sliding slot extended by rear end forward end, has second to slide in the second sliding slot Rail；The universal adjustment head includes second slide, the first locking bolt, shaft, adjusts head ontology and the second locking bolt, institute Second slide is stated in the second sliding slot, and is slidably matched with second sliding rail, there is shaft in the second slide Seat and penetrate third locking bolt in the second sliding slot, the U-shaped profile of the shaft seat, closed side formed with There is the 4th lock hole of left and right perforation, first locking bolt to pass through for the axis hole of the shaft adaptation, the both ends of open sides 4th lock hole at the both ends of the open sides, the shaft rotation are fixed in the axis hole, the second fixed pin through-hole The lateral of head body upper part is adjusted positioned at described, the lower part for adjusting head ontology is cut with scissors by second locking bolt and shaft It connects, second lock hole is located at the top for adjusting head ontology.

The shaft includes axle portion and the disc portion that is connected on the upside of the axle portion, and the axle portion rotation is fixed on described In axis hole, there are two symmetrical outer convex arc surface and adjacent with outer convex arc surface two interior concaved circular cambered surfaces, institutes for circumferential tool The first hinge hole for having on disc portion and being passed through for second locking bolt is stated, the lower part for adjusting head ontology is in n shapes, should The lower part for adjusting head ontology is sheathed on the disc portion, and it is lateral hinged with corresponding with first hinge hole second Hole, second locking bolt pass through first hinge hole and the second hinge hole.

The Ji Gang and top thick stick be cuboid metal derby, the length adjustment block be L-shaped metal derby, described first Fixed pin through-hole is five, and linear interval is distributed three the first fixed pin through-holes along the longitudinal direction, remaining two first fixations Needle through-hole is between the upper and lower every the front end for being distributed in the Ji Gang, and first lock hole is five, and three the first lock holes are located at institute The upper surface of Ji Gang is stated, remaining two the first lock holes are located at the front end surface of the Ji Gang.

The first sliding groove and second sliding slot are dovetail groove.

The limiting section is a limited screw.

The universal adjustment head is two.

The utility model is simple in structure, easy to operate, can flexibly select suitably to thread a needle when threading a needle position and Angle, very convenient, anti-torsion is strong.

Description of the drawings

The utility model is described in detail with reference to the accompanying drawings and detailed description：

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the Ji Gang of the utility model；

Fig. 3 is the longitudinal sectional view of the Ji Gang of the utility model；

Fig. 4 is the side structure schematic view of the top thick stick of the utility model；

Fig. 5 is the overlooking structure diagram of the top thick stick of the utility model；

Fig. 6 is the structural schematic diagram of the length adjustment block of the utility model；

Fig. 7 is the structural schematic diagram of the second slide of the utility model；

Fig. 8 is the longitudinal sectional view of the second slide of the utility model；

Fig. 9 is the A-A sectional views of Fig. 8；

Figure 10 is the structural schematic diagram of the shaft of the utility model；

Figure 11 is the structural schematic diagram of the adjusting head ontology of the utility model；

Figure 12 is the longitudinal sectional view of the adjusting head ontology of the utility model.

Specific implementation mode

As shown in figs. 1-12, the miniature fixator of a kind of fracture of calcaneus, including base thick stick 1100, top thick stick 1200 and adjustable Save the universal adjustment head 1300 into pin position and angle.

As shown in Fig. 2, base thick stick 1100 is cuboid metal derby, there are five the first fixed pins of the perforation left and right sides thereon Through-hole 1110 and five the first lock holes 1120 with 1110 lateral communication of the first fixed pin through-hole, in the first lock hole 1120 Equipped with lock screw 1500.

Linear interval is distributed three the first fixed pin through-holes 1110 along the longitudinal direction, remaining two the first fixed pin through-holes 1110 between the upper and lower every the front end for being distributed in base thick stick 1100, and three the first lock holes 1120 are located at the upper surface of base thick stick 1100, remaining Two the first lock holes 1120 are located at the front end surface of base thick stick 1100.

As shown in Fig. 1 and Fig. 6, in order to extend the length of base thick stick 1100, the utility model also has length adjustment block 1400, length adjustment block 1400 is L-shaped metal derby.

The downside of base thick stick 1100 has the first sliding groove 1130 that is stretched into from rear end forward end for length adjustment block 1400, and first There is the first sliding rail, and the lower opening of the first sliding groove 1130 is equipped with lock screw 1500, the lock screw in sliding slot 1130 1500 lower openings through the first sliding groove 1130 can contact length adjustment block 1400 upwards, with adjustment length adjusting block 1400 the The first sliding groove 1130 is stretched into the front end of position in one sliding slot 1130, length adjustment block 1400, and its downside has and the first cunning There is shank 1420, the shank 1420 to have perforation for the rear end of the first slide 1410 that rail is slidably matched, length adjustment block 1400 The third fixed pin through-hole 1421 of the left and right sides and the third being connected to from the rear end face of shank with third fixed pin through-hole 1421 Lock hole 1422, third lock hole 1422 is interior to have lock screw 1500.

As shown in Fig. 1, Fig. 4 and Fig. 5, top thick stick 1200 is cuboid metal derby, and front end and the front end of base thick stick 1100 are cut with scissors It connects.

Specifically, there is connection sheet 1140 on the upside of the front end of base thick stick 1100, push up the front end of thick stick 1200 by bolt 1210 with Connection sheet 1140 is hinged, has the arc opening 1141 for limiting top 1200 rotational angle of thick stick in connection sheet 1140, pushes up thick stick 1200 front end has the limiting section 1220 across arc opening 1141.

Wherein, limiting section 1220 is limited screw.

As shown in Figure 1, universal adjustment head 1300 is two, and slides the upside for being set to top thick stick 1200, have second thereon Fixed pin through-hole 1310 and the second lock hole 1320 with 1310 lateral communication of the second fixed pin through-hole, the second lock hole 1320 It is interior to be equipped with lock screw 1500.

Specifically, the upside of top thick stick 1200 has the second sliding slot 1230 extended by rear end forward end, the second sliding slot There is the second sliding rail in 1230.

Correspondingly, universal adjustment head 1300 includes second slide 1330, the first locking bolt 1340, shaft 1350, adjusts Head ontology 1360 and the second locking bolt 1370.

Second slide 1330 is set in second sliding slot 1230, and is slidably matched with the second sliding rail, as Figure 7-9, second There is shaft seat 1331 on slide 1330 and penetrate the third locking bolt 1380 in second sliding slot 1230, third locking bolt 1380 can adjust position of the second slide 1330 in second sliding slot 1230, the U-shaped profile of shaft seat 1331, closing Side forms the axis hole 1331a being adapted to shaft 1350, and the both ends of open sides have the 4th lock hole 1331b of left and right perforation, the One locking bolt 1340 passes through the 4th lock hole 1331b at the both ends of open sides, the rotation of shaft 1350 to be fixed on axis hole 1331a Interior, the second fixed pin through-hole 1310, which is located at, adjusts the lateral of 1360 top of head ontology, adjusts the lower part of head ontology 1360 by the Two locking bolts 1370 are hinged with shaft 1350, and the second lock hole 1320 is located at the top for adjusting head ontology 1360, unclamp first Locking bolt 1340, which can rotate, adjusts head ontology 1360, and adjusting head ontology can be rotated by unclamping the second locking bolt 1370 1360。

Wherein, as shown in figs. 10-12, shaft 1350 includes axle portion 1351 and the plate-like for being connected to 1351 upside of axle portion Portion 1352, the rotation of axle portion 1351 are fixed in axis hole 1331a, circumferential tool there are two symmetrical outer convex arc surface 1351a and The two interior concaved circular cambered surface 1351bs adjacent with outer convex arc surface 1351a have on disc portion 1352 and supply the second locking bolt 1370 The the first hinge hole 1352a passed through, the lower part for adjusting head ontology 1360 is in n shapes, and the lower part of the adjusting head ontology 1360 is sheathed on On disc portion 1352, and it laterally has the second hinge hole 1362 corresponding with the first hinge hole 1352a, the second locking bolt 1370 pass through the first hinge hole 1352a and the second hinge hole 1362.

The first sliding groove 1130 and second sliding slot 1230 of the utility model are dovetail groove.

The utility model is simple in structure, easy to operate, in use, it is inserted into fixed pin into the first fixed pin through-hole 1110, According to the position for the requirement adjustment length adjustment block 1400 threaded a needle, in the third fixed pin through-hole 1421 of length adjustment block 1400 In penetrate fixed pin, likewise, rotation top thick stick 1200, position of the adjustment universal adjustment head 1300 on the thick stick 1200 of top, and rotate Fixed pin is penetrated calcaneum, fixed pin by universal adjustment head 1300 with angle in place through the second fixed pin through-hole 1310 It is locked by corresponding lock screw 1500 after penetrating calcaneum, can flexibly select suitably thread a needle position and angle, it is non- Often convenient, anti-torsion is strong.

But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this Utility model, and being not used as the restriction to the utility model, if in the spirit of the utility model, to Variation, the modification of the upper embodiment will all be fallen in the Claims scope of the utility model.

Claims

1. a kind of miniature fixator of fracture of calcaneus, which is characterized in that including：

On Ji Gang, the Ji Gang have perforation the left and right sides the first fixed pin through-hole and with the first fixed pin through-hole side To the first lock hole of connection, lock screw is equipped in first lock hole；

The universal adjustment head into pin position and angle is adjusted, the universal adjustment head sliding is set to the upside of the top thick stick, There is the second fixed pin through-hole and the second lock hole with the second fixed pin through-hole lateral communication, second lock thereon Determine to be equipped with lock screw in hole.

2. a kind of miniature fixator of fracture of calcaneus according to claim 1, which is characterized in that further include length adjustment Block, the downside of the Ji Gang have the first sliding groove stretched into from rear end forward end for the length adjustment block, the first sliding groove Inside there is the first sliding rail, and the lower opening of the first sliding groove is equipped with lock screw, the lock screw is through the first sliding groove Lower opening can stretch into the first sliding groove in length adjustment block described in contact, the front end of the length adjustment block upwards, and under it There is the first slide being slidably matched with first sliding rail, the rear end of the length adjustment block to have shank, shank tool for side The for having the third fixed pin through-hole of the perforation left and right sides and being connected to from the rear end face of shank with the third fixed pin through-hole Three lock holes, the third lock hole is interior to have lock screw.

3. a kind of miniature fixator of fracture of calcaneus according to claim 2, which is characterized in that on the front end of the Ji Gang Side has connection sheet, and the front end of the top thick stick is hinged by a bolt and the connection sheet, has for limiting in the connection sheet The arc opening of the top thick stick rotational angle is made, the front end of the top thick stick has the limiting section across the arc opening.

4. a kind of miniature fixator of fracture of calcaneus according to claim 3, which is characterized in that the upside tool of the top thick stick There is the second sliding slot extended by rear end forward end, there is the second sliding rail in the second sliding slot；The universal adjustment head includes second Slide, shaft, adjusts head ontology and the second locking bolt at the first locking bolt, and the second slide is set to described second and slides It in slot, and is slidably matched, there is shaft seat in the second slide and is penetrated in the second sliding slot with second sliding rail Third locking bolt, the U-shaped profile of the shaft seat, closed side forms the axis hole that is adapted to the shaft, opening There is the 4th lock hole of left and right perforation, first locking bolt to pass through the 4th lock at the both ends of the open sides at the both ends of side Determine hole, the shaft rotation is fixed in the axis hole, and the second fixed pin through-hole is located at the adjusting head body upper part Laterally, the lower part for adjusting head ontology is hinged by second locking bolt and shaft, and second lock hole is located at institute State the top for adjusting head ontology.

5. a kind of miniature fixator of fracture of calcaneus according to claim 4, which is characterized in that the shaft includes axle portion And it is connected to the disc portion on the upside of the axle portion, the axle portion rotation is fixed in the axis hole, and there are two right for circumferential tool The outer convex arc surface claimed and adjacent with outer convex arc surface two interior concaved circular cambered surfaces have on the disc portion and supply described second The first hinge hole that locking bolt passes through, the lower part for adjusting head ontology is in n shapes, and the lower part of the adjusting head ontology is sheathed on institute It states on disc portion, and laterally there is the second hinge hole corresponding with first hinge hole, second locking bolt to pass through for it First hinge hole and the second hinge hole.

6. a kind of miniature fixator of fracture of calcaneus according to claim 5, which is characterized in that the Ji Gang and top thick stick It is cuboid metal derby, the length adjustment block is L-shaped metal derby, and the first fixed pin through-hole is five, and three Linear interval is distributed first fixed pin through-hole along the longitudinal direction, and remaining two the first fixed pin through-holes are described every being distributed between the upper and lower The front end of Ji Gang, first lock hole are five, and three the first lock holes are located at the upper surface of the Ji Gang, remaining two the One lock hole is located at the front end surface of the Ji Gang.

7. a kind of miniature fixator of fracture of calcaneus according to claim 6, which is characterized in that the first sliding groove and Second sliding slot is dovetail groove.

8. a kind of miniature fixator of fracture of calcaneus according to claim 7, which is characterized in that the limiting section is a limit Position screw.

9. a kind of miniature fixator of fracture of calcaneus according to claim 8, which is characterized in that the universal adjustment head is Two.