Cervical vertebra expanding channel deviceTechnical field
The present invention relates to technical field of medical equipment, particularly relate to cervical vertebra expanding channel device.
Background technology
In cervical operation, generally require and patient skin is cut, just can carry out the operative treatment within cervical vertebra, but in operation, it it is illing skin or internal muscular all can bring to operation and allow, doctor's sight line all can be caused obstruction by the contraction of illing skin and internal muscular, have been developed for a series of device for expanding operation path in cervical operation process for this problem on the market now, the product majority of present market is all easy tube, it is directly anchored to cervical vertebra both sides, skin and underlying muscle tissue are separated to both sides, so as surgical, but present product can only accomplish the expansion to operation path, channel sized cannot be adjusted for different patients or particular procedure situation, existing product illumination simultaneously needs external light source, in staffing too much, waste personnel cost.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of simple and reasonable, freely regulate channel sized, illuminate convenient cervical vertebra expanding channel device.
The technical problem to be solved is achieved through the following technical solutions:
The cervical vertebra expanding channel device of the present invention, including the fixing end of passage and passage expansion end, the two ends of described passage expansion end are flexibly connected by the fixing end of leading screw and described passage, described passage expansion end, the fixing end of leading screw and passage is end to end surrounds quadrilateral structure, described passage is fixed the lower section of end and passage expansion end and is respectively and fixedly provided with fixing post, expanding channel device is fixed on cervical operation position by described fixing post, both sides, described cervical operation position are fixed with screw, described fixing post is seated on screw, described passage expansion end is fixed with the adjusting knob of adjusting screw, described passage expansion end control front-rear reciprocation movement on leading screw by adjusting knob, described passage is fixed and is provided with catch between end and the both ends of passage expansion end.
Further, described catch is removably installed on leading screw.
Further, described catch upper end is provided with link, described link is the groove-like structure of a side opening, described leading screw is placed in the groove of link, described link and leading screw all offer bolt hole, being provided with bolt in described bolt hole, described catch is removably mounted on leading screw by bolt.
Further, the link of described catch upper end offers optical fiber through hole, in described optical fiber through hole, light source is installed.
Further, described light source is fibre-optical cold light source.
Further, described passage fixes the quantity respectively 1 or more than 1 of the fixing post on end and passage expansion end.
Further, described passage fixes the quantity respectively 1 of the fixing post on end and passage expansion end, and 1 described fixing post is fixed on passage fixes the centre position of end and passage expansion end.
Further, the open at one end of described optical fiber through hole is positioned at link upper surface, and the other end is positioned at the inner side of two side-lens, and described light source is inserted by link upper surface and is used for illuminating inside expanding channel device.
Further, the catch quantity on every rhizoid thick stick is 1 or 2 or multi-disc.
By such scheme, the present invention at least has the advantage that
The cervical vertebra expanding channel device of the present invention surrounds quadrilateral structure by the fixing end of passage, leading screw and passage expansion end, passage expansion end is provided with adjusting knob simultaneously, the activity of adjusting knob control leading screw drives the motion of passage expansion end, thus accomplish independently to carry out the adjustment of passage expansion size according to different situations, wider relative to the expanding channel device scope of application of existing passage extension fixture the application, better effects if.
Meanwhile, the application is assembled with light source respectively on the fixing end of passage and passage expansion end, solves again the problem of illumination in operation process, effectively reduces cost of labor.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cervical vertebra expanding channel device of the present invention.
1, the fixing end of passage；2, passage expansion end；3, leading screw；4, fixing post；5, optical fiber through hole；6, catch；7, link；8, adjusting knob.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Shown in Figure 1, cervical vertebra expanding channel device, including the fixing end 1 of passage and passage expansion end 2, the two ends of passage expansion end 2 are flexibly connected by the fixing end 1 of leading screw 3 and passage, passage expansion end 2, the fixing end 1 of leading screw 3 and passage is end to end surrounds quadrilateral structure, passage is fixed the lower section of end 1 and passage expansion end 2 and is respectively and fixedly provided with fixing post 4, expanding channel device is fixed on cervical operation position by fixing post 4, both sides, cervical operation position are fixed with screw, fixing post 4 is seated on screw, passage expansion end 2 is fixed with the adjusting knob 8 of adjusting screw 3, the passage expansion end 2 control front-rear reciprocation movement on leading screw 3 by adjusting knob 8, passage is fixed and is provided with catch 6 between end 1 and the both ends of passage expansion end 2.
The link 7 of catch 6 upper end offers optical fiber through hole 5, in optical fiber through hole 5, light source is installed.Light source is fibre-optical cold light source.
It is 1 or more than 1 that passage fixes the quantity of the fixing post 4 on end 1 and passage expansion end 2.
It is 1 that passage fixes the quantity of the fixing post 4 on end 1 and passage expansion end 2, and 1 fixing post 4 is fixed on passage fixes the centre position of end 1 and passage expansion end 2.
The open at one end of optical fiber through hole 5 is positioned at link 7 upper surface, and the other end is positioned at the inner side of two side-lens 6, and light source is inserted by link 7 upper surface and is used for illuminating inside expanding channel device.
Concrete mode of operation is:
First cut the skin at cervical operation position, difference drivescrew on adjacent cervical vertebrae vertebral body, then the fixing post 4 fixed by passage on end 1 and passage expansion end 2 is connected on screw, is controlled the movement of passage expansion end 2 by adjusting knob 8, until forming the operation path being suitable for.
In operation, the visual field in order to ensure healthcare givers is unaffected, after device fixes, it is inserted into fibre-optical cold light source for illuminating at optical fiber through hole 5, light source can be directly anchored in optical fiber through hole 5, hand-held without personnel, save cost of labor, meanwhile, the open at one end of optical fiber through hole 5 is positioned at the fixing end 1 of passage and passage expansion end 2 upper surface, and the other end is positioned at passage and fixes the inner side of end 1 and passage expansion end 2, such light source direct irradiation surgery location, good illumination effect, does not have projection, for the safety that ensure that operation patient.
In operation, the fixing end 1 of passage and passage expansion end 2 are used for expanding operation path, and the catch 6 of both sides is for blocking the skin around corrective surgery position and the muscular tissue under skin.Catch 6 is removably installed on leading screw.Catch 6 upper end is provided with link 7, the link 7 groove-like structure in a side opening, leading screw 3 is placed in the groove of link 7, link 7 and all offer bolt hole on leading screw 3, is provided with bolt in bolt hole, catch 6 is removably mounted on leading screw 3 by bolt, when device entirety has been fixed, and after adjusting channel sized, catch 6 is installed, and it being bolted catch 6, catch 6 quantity on every rhizoid thick stick 3 is 1 or 2 or multi-disc.The dimensions of every catch 6 can be identical, it is also possible to different, and the specification of catch 6 is determined according to practical situation, and so no matter passage expansion is much, can effectively block muscular tissue under the skin of surrounding and skin, applied widely.
The cervical vertebra expanding channel device of the present invention surrounds quadrilateral structure by the fixing end 1 of passage, leading screw 3 and passage expansion end 2, passage expansion end 2 is provided with adjusting knob 8 simultaneously, adjusting knob 8 controls the activity of leading screw 3 to drive the motion of passage expansion end 2, thus accomplish independently to carry out the adjustment of passage expansion size according to different situations, wider relative to the expanding channel device scope of application of existing passage extension fixture the application, better effects if, the accuracy of operation also improves a lot.
Meanwhile, the application is assembled with light source respectively on the fixing end 1 of passage and passage expansion end 2, solves again the problem of illumination in operation process, effectively reduces cost of labor.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
The above is only the preferred embodiment of the present invention; it is not limited to the present invention; should be understood that; for those skilled in the art; under the premise without departing from the technology of the present invention principle; can also making some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.