CN209203491U

CN209203491U - Orthopaedics instrument

Info

Publication number: CN209203491U
Application number: CN201821837497.2U
Authority: CN
Inventors: 张静; 翟英; 曹毅; 于英迪
Original assignee: Shandong Wendeng Osteopathy Hospital
Current assignee: Shandong Wendeng Osteopathy Hospital
Priority date: 2018-11-08
Filing date: 2018-11-08
Publication date: 2019-08-06
Anticipated expiration: 2028-11-08

Abstract

The utility model discloses a kind of orthopaedics instruments, including the first clamp arm and the second clamp arm, first clamp arm and the second clamp arm are rotated through hinged shaft to be connected, means end is provided with finger ring, the junction of means and finger ring is provided with adjusting locking rod, equipped with third clamp arm, means upper surface is equipped with driving cog by third, means periphery is cased with adjusting set by third, adjusting set upper surface is correspondingly provided with transmission slot, the one end connecting shaft a is vertical with adjusting set to be connect, the other end is hinged with connecting shaft b, the one end connecting shaft b passes through adjusting locking rod and connect with nut, the one end connecting shaft c is hinged with adjusting set, the other end is connect with hinged shaft face, support is outward extended on rear side of adjusting set, support transmission shaft rear end is connect with handle, the other end is connect with transmission gear, the orthopaedics instrument with complicated fracture is resetted suitable for Fracture Simple, stability It is good, it is accurate to reset docking.

Description

Orthopaedics instrument

Technical field

The utility model relates to medical instruments field, specifically a kind of orthopaedics instrument.

Background technique

Reduction forceps are the common instruments of bone surgery, when carrying out the reduction of the fracture, for lifting fracture site, and make to fracture Position is temporarily fixed on reset position.The most common reduction forceps are mainly hingedly formed by two tong arms of X type, front end conduct Clamp, rear end is as handle, and reduction forceps two-point locating, the reduction of the fracture simple for fissured fracture, oblique fracture etc. is good, but It is for the complicated fractures such as transverse fracture, spiral fracture, intercalation fracture, comminuted fracture, displacement fracture, reduction forceps stability Difference, is easy displacement, and reset effect is poor.

Summary of the invention

Utility model aims to solve the deficiencies in the prior art, provide that a kind of stability is good, it can be achieved that two o'clock is fixed Position and three-point fix reset the orthopaedics instrument with complicated fracture suitable for Fracture Simple.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of orthopaedics instrument, including the first clamp arm and the second clamp arm, the first clamp arm and the second clamp arm are rotated through hinged shaft to be connected It connects, hinged shaft or so section clamp arm is divided into gripping section and means, means end is provided with finger ring, the junction of means and finger ring It is provided with locking structure, locking structure includes adjusting locking rod and latch, in first means and second means opposite face Portion is respectively equipped with latch, and through-hole is respectively equipped in the middle part of first means and second means opposite face, adjusts locking rod through logical Hole passes through the first clamp arm and the second clamp arm, and latch and the cooperation of adjusting locking rod both ends are locked, realized to the first clamp arm and second The locking of clamp arm difference opening angle, it is characterised in that: be equipped with third clamp arm, third clamp arm is pressed from both sides with the first clamp arm, second respectively Arm axle line is parallel, and third clamp arm includes third gripping section and third means, and means upper surface is equipped with driving cog, third by third Means periphery is cased with adjusting set, adjusting set upper surface is correspondingly provided with transmission slot, and adjusting set leading flank up knob end is set respectively Have a connecting shaft a and connecting shaft b, clamping end is equipped with connecting shaft c, and the one end connecting shaft a is vertical with adjusting set to be connect, the other end with connect The one end axis b is hinged, and the connecting shaft b other end is passed through to adjust and be connect in the middle part of locking rod with nut thread, the one end connecting shaft c and adjusting Set leading flank is hinged, and the other end is fixedly connected with hinged shaft face, is extended outwardly on rear side of adjusting set equipped with support, support middle part warp Bearing is connected with transmission shaft, and transmission shaft rear end is connected with handle, and the other end and transmission gear are sequentially connected, and handle rotation drives Transmission gear rotation, transmission gear realize that third clamp arm exists through the driving cog engaged transmission in transmission slot and third clamping limb It is moved in adjusting set, while by feeding of the nut on connecting shaft b, realizes the rotation of third clamp arm, adjust third clamp arm and the The claming angle of one clamp arm, the second clamp arm.

Further, the one end connecting shaft c is hinged with adjusting set, and the other end passes through hinged shaft and connect with nut thread, connects The periphery axis c is cased with spring, and spring one end is inconsistent with adjusting set, and the other end and hinged shaft face are inconsistent, by nut in connecting shaft c On feeding make telescopic spring, adjust third clamp arm to the distance of the first clamp arm and the second clamp arm, and then realize third clamp arm Open angular dimension.

Further, adjusting set front and rear sides inner wall is equipped with guide groove, and third is equipped with means front and rear sides outer wall Corresponding protrusion, third clamp arm protrusion guiding movement in adjusting set through guide groove.

The utility model has the beneficial effects that two-point locating and three-point fix can be realized, when three-point fix, third clamp arm is with even It is rotated centered on spindle c and adjusting set hinge joint, adjusts third clamp arm relative to the first clamp arm, the claming angle of the second clamp arm, And the driving cog engaged transmission in transmission gear and third clamp arm, realize that third clamp arm moves left and right, it is multiple suitable for Fracture Simple The orthopaedics instrument of position and complicated fracture, has many advantages, such as that stability is good, and it is accurate to reset docking.

Detailed description of the invention

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

Fig. 2 is the top view of the utility model.

Fig. 3 is the revolved view of Fig. 2.

Fig. 4 is the preferred embodiment of the utility model.

Appended drawing reference: 1 first clamp arm, 1.1 first gripping sections, 1.2 first means, 2 second clamp arm, 2.1 second clampings Section, 2.2 second means, 3 hinged shafts, 4 finger rings, 5 locking structures, 5.1 adjusting locking rods, 5.2 latch, 6 third clamp arm, 6.1 Third gripping section, 6.2 thirds are means, 6.3 driving cogs, 7 adjusting sets, 7.1 transmission slots, 7.2 connecting shaft a, 7.3 connecting shaft b, 7.4 connecting shaft c, 7.5 nuts, 8 supports, 8.1 handles, 9 transmission gears, 10 springs, 11 guide grooves, 12 protrusions.

Specific embodiment

The utility model is illustrated with reference to the accompanying drawings and examples.

For attached drawing using Fig. 1 as front view, Fig. 2-Fig. 4 is top view.

As shown in attached drawing 1- Fig. 3, a kind of orthopaedics instrument, including the first clamp arm 1 and the second clamp arm 2, the first clamp arm 1 and Two clamp arm 2 are rotated through hinged shaft 3 to be connected, and 3 or so section clamp arm of hinged shaft is divided into gripping section and means, and means end is being provided with finger The junction of means and finger ring 4 is provided with locking structure 5 by ring 4, and locking structure 5 includes adjusting locking rod 5.1 and latch 5.2, first means 1.2 and 2.2 opposite face top of second means are respectively equipped with latch 5.2, first means 1.2 and It is respectively equipped with through-hole in the middle part of second chief's 2.2 opposite faces of section, locking rod 5.1 is adjusted and distinguishes via through holes across the first clamp arm 1 and second Clamp arm 2, latch 5.2 are locked with the cooperation of adjusting 5.1 both ends of locking rod respectively, are realized different to the first clamp arm 1 and the second clamp arm 2 The locking of opening angle is equipped with third clamp arm 6, and third clamp arm 6 is parallel with the first clamp arm 1,2 axis of the second clamp arm respectively, third Clamp arm 6 includes third gripping section 6.1 and third means 6.2, and 6.2 upper surface of means is equipped with driving cog 6.3, third handle by third 6.3 periphery of means is cased with adjusting set 7, wherein 7 front and rear sides inner wall of adjusting set is equipped with guide groove 11, and third is before means 6.2 Two sides outer wall is equipped with corresponding raised 12 afterwards, and 6 protrusion of third clamp arm is directed in adjusting set 7 through guide groove 11 to be moved, and adjusts 7 upper surfaces of section set are correspondingly provided with transmission slot 7.1, and 7 leading flank up knob end of adjusting set is respectively equipped with connecting shaft a7.2 and connection Axis b7.3, clamping end is equipped with connecting shaft c7.4 on 7 leading flank of adjusting set, and the one end connecting shaft a7.2 is vertical with 7 leading flank of adjusting set Connection, the other end are hinged with the one end connecting shaft b7.3, and the connecting shaft b7.3 other end, which passes through, adjusts 5.1 middle part of locking rod and nut 7.5 are threadedly coupled, and the one end connecting shaft c7.4 is hinged with 7 leading flank of adjusting set, and the other end is fixedly connected with 3 face of hinged shaft, adjust 7 rear side of set is extended outwardly equipped with support 8, and 8 middle part of support is connected with transmission shaft through bearing, is driven shaft rear end and 8.1 phase of handle Connection, the other end and transmission gear 9 are sequentially connected, and the rotation band nutating gear 9 of handle 8.1 rotates, and transmission gear 9 is through driving cog 6.3 engaged transmission of driving cog on slot 7.1 and third clamp arm 6, realizes that third clamp arm 6 moves in adjusting set 7, while passing through spiral shell Feeding of the mother on connecting shaft b7.3 realize that third clamp arm 6 rotates, and adjusts third clamp arm 6 and the first clamp arm 1, the second clamp arm 2 Claming angle.

Wherein, as shown in Fig. 4, the one end connecting shaft c7.4 is hinged with adjusting set 7, and the other end passes through hinged shaft 3 and nut It is threadedly coupled, the periphery connecting shaft c7.4 is cased with spring 10, and 10 one end of spring and adjusting set 7 are inconsistent, the other end and hinged shaft face phase It contradicts, keeps spring 10 flexible by feeding of the nut on connecting shaft c7.4, control 6 opening angle size of third clamp arm, adjust The distance of third clamp arm the 6 to the first clamp arm 1, the second clamp arm 2.

The utility model can realize two-point locating and three-point fix, when three-point fix, third clamp arm 6 with connecting shaft c7.4 with It is rotated centered on 7 hinge joint of adjusting set, adjusts third clamp arm 6 relative to the first clamp arm 1, the claming angle of the second clamp arm 2, and shake 6.3 engaged transmission of driving cog in fixed handle 8.1, transmission gear 9 and third clamp arm 6, realizes that third folder 6 is left in adjusting set 7 It moves right, resets the orthopaedics instrument with complicated fracture suitable for Fracture Simple, have stability good, reset docking is accurate etc. Advantage.

Claims

It is connected 1. a kind of orthopaedics instrument, including the first clamp arm and the second clamp arm, the first clamp arm and the second clamp arm are rotated through hinged shaft, Hinged shaft or so section clamp arm is divided into gripping section and means, and means end is provided with finger ring, the junction of means and finger ring is set It is equipped with locking structure, locking structure includes adjusting locking rod and latch, first means and second means opposite face top It is respectively equipped with latch, through-hole is respectively equipped in the middle part of first means and second means opposite face, adjusts locking rod via through holes Across the first clamp arm and the second clamp arm, latch and the cooperation of adjusting locking rod both ends are locked, it is characterised in that: are equipped with third and press from both sides Arm, third clamp arm is parallel with the first clamp arm, the second clamp arm axis respectively, and third clamp arm includes third gripping section and third handle Means upper surface is equipped with driving cog by section, third, and means periphery is cased with adjusting set by third, and adjusting set upper surface is correspondingly provided with biography Movable tooth slot, adjusting set leading flank handle end are respectively equipped with connecting shaft a and connecting shaft b, and clamping end is equipped with connecting shaft c, connecting shaft a mono- End is vertical with adjusting set leading flank to be connect, and the other end is hinged with the one end connecting shaft b, and the connecting shaft b other end, which passes through, adjusts locking It being connect in the middle part of bar with nut thread, the one end connecting shaft c is hinged with adjusting set leading flank, and the other end is fixedly connected with hinged shaft face, It is extended outwardly on rear side of adjusting set equipped with support, support middle part is connected with transmission shaft through bearing, and transmission shaft rear end is connected with handle It connects, the other end and transmission gear are sequentially connected.
2. a kind of orthopaedics instrument according to claim 1, it is characterised in that: the one end connecting shaft c is hinged with adjusting set, The other end passes through hinged shaft and connect with nut thread, and the periphery connecting shaft c is cased with spring, and spring one end is inconsistent with adjusting set, another It holds inconsistent with hinged shaft face.
3. a kind of orthopaedics instrument according to claim 1, it is characterised in that: adjusting set front and rear sides inner wall is equipped with and leads To slot, means front and rear sides outer wall is equipped with corresponding protrusion by third, and third clamp arm protrusion is through guide groove in adjusting set Guiding movement.