A kind of neurosurgery fixatorTechnical field
The present invention relates to a kind of neurosurgery fixators, belong to the field of medical instrument technology.
Background technology
With the continuous development of medical technology, neurosurgery is more and more common, and neurosurgery is usually to penetrateSurgical device or surgery instrument, under the operation through surgeon or other professionals, into human body or other biological tissue, withExternal force mode excludes lesion, changes construction or the processing procedure of implantation exotic.And during surgical operation, it needs to suffer fromThe limbs of person are fixed, and in patient's surgical operation, it generally requires to adjust the angle of the surgical site of patientIt is whole, so that medical staff performs the operation to patient in best angle, to improve success rate of operation, improve operation effectRate saves operating time, reduces the painful rate of patient.
But current neurosurgery fixator typically only plays fixed effect, it is difficult to realize the body to patientPosition carries out angular adjustment, generally require at the time of surgery, patient's moment keeps needed for position, in this way, increase the pain of patient,Influence the effect of operation.
Invention content
Present invention problem in view of the prior art, provides a kind of neurosurgery fixator, it is therefore an objective to realize neurosurgery handThe fixed effect of art fixator realizes the adjusting of fixed angle, intends to solve problem of the existing technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of neurosurgery fixator comprising pedestal,Angular adjustment seat, fixed seat, bearing, holder and fixed band, which is characterized in that the fixed seat passes through the angular adjustment seatOn the base, the both ends of the fixed seat are fixedly installed vertical bearing for installation, using solid on each bearingDetermine screw rod and be connected with the holder, the stationary plane of the holder is arcuate structure, is additionally provided on the holderFixed band.
Further, preferably, being additionally provided with ratchet locking assembly on the angular adjustment seat.
Further, described preferably, the angular adjustment seat includes pedestal, rotation spin and ball holderPedestal is the column structure that cross section is ellipse, is provided on the upper surface of the pedestal and to coordinate with the ellipsoid of pedestalOval-shaped groove is provided with multiple rotation spin between the oval face and the oval-shaped groove of pedestal of the pedestal,The ball holder is provided between the adjacent rotation spin, will pass through the ball holder come between waitingEvery setting described in rotation spin, array is provided with multiple spin holes on the ball holder.
Further, preferably, the ratchet locking assembly includes slide, locking post, locking ratchet, lock sleeve and preventsLoose spring, wherein the slide is slidably disposed in the upper surface end of the pedestal, and lock is provided on the slideThe side of the locking post of tight slide, the close pedestal of the slide is hingedly provided with the locking ratchet, describedPedestal on be fixedly installed lock sleeve, multiple locking slots, the locking spine are provided on the peripheral surface of the lock sleeveThe pawl end of pawl is fastened in the locking slot, is provided between the middle part of the locking ratchet and the pedestal lockingSpring.
Further, preferably, the shape of the ball holder is also elliptical arcuate structure.
Further, preferably, bonding is pasted with resilient snubber on the arc inner wall of the holder.
Further, preferably, the fixed band that the top of the holder is fixedly installed the fixed fixed band is fixedColumn.
Further, preferably, the end of the standing screw is fixed on using connecting seat on holder, the holderBottom end be provided with sliding block, the upper surface of the fixed seat is provided with sliding slot, and the holder uses the sliding block and sliding slotIt is slidably disposed in the fixed seat.
Compared with prior art, the beneficial effects of the invention are as follows：
The neurosurgery fixator of the present invention, it may be convenient to realize to the angular adjustment of fixed position, only need letterSingle rotary fixing base, can be realized angular turn, moreover, the present invention assists rotating by the way of spin, rotation is flexible,And locked using pawl after rotating, improve the safety of locking, the present invention is also provided with fixed band, fixed effect compared withHeight, fixed instrument is in good order, the case where being not in entanglement.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of neurosurgery fixator of the present invention；
Fig. 2 is a kind of structural schematic diagram of the spin retention tab of neurosurgery fixator of the present invention；
Wherein, 1, pedestal, 2, angular adjustment seat, 3, fixed seat, 4, bearing, 5, holder, 6, resilient snubber, 7, fixedBand, 8, fixed band fixed column, 9, connecting seat, 10, standing screw, 11, slide, 12, locking post, 13, locking ratchet, 14, lockingSet, 15, locking spring, 16, rotation spin, 17, ball holder, 18, spin hole.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, completeSite preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based onEmbodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every otherEmbodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of neurosurgery fixator comprising pedestal 1, angleSpend adjustment seat, fixed seat 3, bearing 4, holder 5 and fixed band 7, which is characterized in that the fixed seat 3 passes through the angle tuneIt saves seat 2 to be mounted on the pedestal 1, the both ends of the fixed seat 3 are fixedly installed vertical bearing 4, each bearing 4On the holder 5 is connected with using standing screw 10, the stationary plane of the holder 5 is arcuate structure, the folderIt is additionally provided with fixed band 7 on seat 5.
Wherein, it is additionally provided with ratchet locking assembly on the angular adjustment seat 2.The angular adjustment seat 2 includes seatBody, rotation spin 16 and ball holder 17, the pedestal are the column structure that cross section is ellipse, the pedestal 1Upper surface on be provided with the oval-shaped groove coordinated with the ellipsoid of pedestal, the oval face of the pedestal and pedestal it is ellipseIt is provided with multiple rotation spin 16 between circular groove, the rolling is provided between the adjacent rotation spin 16Ball retainer 17, will pass through the rotation spin described in the next equally spaced setting of the ball holder, the spin is protectedIt holds array on frame and is provided with multiple spin holes 18.
In addition, the ratchet locking assembly includes slide 11, locking post 12, locking ratchet 13, lock sleeve 14 and lockingSpring 15, wherein the slide 11 is slidably disposed in the upper surface end of the pedestal 1, is set on the slide 11It is equipped with the locking post 12 of locking slide, the slide 11 is hingedly provided with the locking close to the side of the pedestalPawl 13 is fixedly installed lock sleeve 14 on the pedestal, multiple lockings is provided on the peripheral surface of the lock sleeve 14The pawl end of slot, the locking ratchet 13 is fastened in the locking slot, the middle part of the locking ratchet and the seatLocking spring 15 is provided between body.
Wherein, as shown in Fig. 2, the shape of the ball holder is also elliptical arcuate structure.The holderBonding is pasted with resilient snubber 6 on arc inner wall.The top of the holder is fixedly installed consolidating for the fixed fixed bandFixed band fixed column 8.The end of the standing screw is fixed on using connecting seat on holder, and the bottom end of the holder is provided withThe upper surface of sliding block, the fixed seat is provided with sliding slot, and the holder is slidably arranged using the sliding block with sliding slotIn the fixed seat.
The neurosurgery fixator of the present invention, it may be convenient to realize to the angular adjustment of fixed position, only need letterSingle rotary fixing base, can be realized angular turn, moreover, the present invention assists rotating by the way of spin, rotation is flexible,And locked using pawl after rotating, improve the safety of locking, the present invention is also provided with fixed band, fixed effect compared withHeight, fixed instrument is in good order, the case where being not in entanglement.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be withUnderstanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replaceAnd modification, the scope of the present invention is defined by the appended.