阅读说明：本技术 一种神经外科手术用手摇颅骨钻 (Hand-operated skull drill for neurosurgery operation ) 是由 温霞 于 2019-10-05 设计创作，主要内容包括：本发明公开了一种神经外科手术用手摇颅骨钻,涉及颅骨钻技术领域,包括颅骨钻筒,颅骨钻筒的正面一端设置有旋转杆,颅骨钻筒的内部上端设置有第一斜齿转柱,第一斜齿转柱的正面设置有第二斜齿转柱,第二斜齿转柱的底端中部固定连接有连接杆,连接杆的底端固定连接有固定装置,固定装置的一侧设置有转饼,转饼的一侧中部固定连接螺纹杆的一端,螺纹杆位于固定装置内部的一端上设置有滑杆,滑杆的顶端和底端均通过销轴活动连接转杆的一端,转杆的另一端通过销轴活动连接有牵引杆,牵引杆的一端设置有弹性钢片,牵引杆的另一端固定连接有卡块。该神经外科手术用手摇颅骨钻,能够减少该装置在使用时占据的空间,便于操作,稳定性高。(The invention discloses a hand-operated skull drill for neurosurgery, which relates to the technical field of skull drills and comprises a skull drill cylinder, wherein a rotary rod is arranged at one end of the front surface of the skull drill cylinder, a first skewed tooth rotary column is arranged at the upper end inside the skull drill cylinder, a second skewed tooth rotary column is arranged at the front surface of the first skewed tooth rotary column, a connecting rod is fixedly connected with the middle part of the bottom end of the second skewed tooth rotary column, a fixing device is fixedly connected with the bottom end of the connecting rod, a rotary cake is arranged on one side of the fixing device, one end of a threaded rod is fixedly connected with the middle part of one side of the rotary cake, a sliding rod is arranged at one end of the threaded rod inside the fixing device, the top end and the bottom end of the sliding rod are movably connected with one end of the rotary rod through a pin shaft, the other end of the rotary rod. This hand-operated cranial drill for neurosurgery operation can reduce the space that the device occupied when using, and the operation of being convenient for is stable high.)

1. A hand-operated skull drill for neurosurgery comprises a skull drill barrel (1), and is characterized in that: a rotating rod (2) is arranged at one end of the front surface of the skull drilling barrel (1), and fixing grooves (3) are formed in the lower ends of the two sides of the skull drilling barrel (1);

A first helical tooth rotating column (5) is arranged at the upper end inside the skull drill barrel (1), a second helical tooth rotating column (6) is arranged on the front side of the first helical tooth rotating column (5), the first helical tooth rotating column (5) is meshed with the second helical tooth rotating column (6), a connecting rod (7) is fixedly connected to the middle of the bottom end of the second helical tooth rotating column (6), a fixing device (8) is fixedly connected to the bottom end of the connecting rod (7), a rotating cake (9) is arranged on one side of the fixing device (8), an anti-skid groove is formed in the outer surface of the rotating cake (9), a skull drill bit (10) is arranged in the middle of the lower surface of the fixing device (8), and a baffle disc (11) is fixedly connected to the middle of the skull drill bit (10);

The one end of one side middle part fixed connection threaded rod (12) of commentaries on classics cake (9), threaded rod (12) are located one of fixing device (8) inside and are served and are provided with slide bar (13), the top and the bottom of slide bar (13) all are through the one end of round pin axle swing joint bull stick (14), the other end of bull stick (14) has traction lever (15) through round pin axle swing joint, the one end of traction lever (15) is provided with elastic steel sheet (16), one side middle part fixedly connected with stopper (17) of traction lever (15), the other end fixedly connected with fixture block (18) of traction lever (15).

2. A neurosurgical hand-operated craniotome as claimed in claim 1, wherein: the skull drill is characterized in that a fixed handle (4) is fixedly connected to the upper end of one side of the skull drill cylinder (1), and an anti-skid groove is formed in the outer surface of the fixed handle (4).

3. a neurosurgical hand-operated craniotome as claimed in claim 1, wherein: the middle part of one end of the first helical tooth rotating column (5) is rotatably connected with the inner wall of the skull drilling barrel (1) through a bearing, and the middle part of the other end of the first helical tooth rotating column (5) is provided with a rotating rod (2).

4. a neurosurgical hand-operated craniotome as claimed in claim 1, wherein: one end of the rotating rod (2) penetrates through the skull drilling barrel (1) and extends to the inside of the skull drilling barrel (1) to be fixedly connected with the first helical tooth rotating column (5), the other end of the rotating rod (2) is rotatably connected with a rotating handle through a bearing, and an anti-skidding groove is formed in the outer surface of the rotating handle.

5. A neurosurgical hand-operated craniotome as claimed in claim 1, wherein: the outer surface of the connecting rod (7) is provided with an external thread groove, the inner wall of the skull drill cylinder (1) contacted with the connecting rod (7) is provided with an internal thread groove, and the connecting rod (7) is in threaded connection with the inner wall of the skull drill cylinder (1).

6. A neurosurgical hand-operated craniotome as claimed in claim 1, wherein: the middle part of the lower surface of the fixing device (8) is provided with a slot, and the skull drill bit (10) is inserted in the slot.

7. A neurosurgical hand-operated craniotome as claimed in claim 1, wherein: the other end of the threaded rod (12) penetrates through the fixing device (8) and is rotatably connected with the fixing device (8) through a bearing.

8. A neurosurgical hand-operated craniotome as claimed in claim 1, wherein: the threaded rod (12) penetrates through the sliding rod (13), an internal thread is arranged on the inner surface, in contact with the threaded rod (12), of the sliding rod (13), and the threaded rod (12) is in threaded connection with the sliding rod (13).

9. A neurosurgical hand-operated craniotome as claimed in claim 1, wherein: one end of the elastic steel sheet (16) is fixedly connected with the inner wall of the fixing device (8), and the other end of the elastic steel sheet (16) is attached to the traction rod (15).

10. A neurosurgical hand-operated craniotome as claimed in claim 1, wherein: the upper end of the skull drill bit (10) is provided with a clamping groove (19), and a clamping block (18) on the fixing device (8) is clamped with the clamping groove (19).

Technical Field

The invention relates to the technical field of skull drills, in particular to a hand-operated skull drill for neurosurgery operations.

background

The skull drill is a necessary instrument for neurosurgery, a plurality of bone holes need to be drilled on the skull before the craniotomy, the craniotomy requires the skull drill to be sterilized and convenient to use, the skull drill is absolutely safe during craniotomy, and meanwhile, the drilling speed needs to be as fast as possible, so that the operation time is saved. At present, most of neurosurgery department in hospital still use bow-shaped hand-operated cranial drill, which adopts a fan-shaped flat drill bit without safety device, and if the operation is careless, the head is directly penetrated into the cranium to cause brain injury. The rocking handle is bow-shaped, and occupies a large space during rotation, thereby influencing the operation.

Although the controllable manual skull drill disclosed in the chinese patent application publication CN 2214800Y can fix the skull of a patient on an operating table, the drill can move forward, backward, leftward and rightward, and the depth of the drill bit entering the skull can be controlled, the skull drill needs to occupy a large space when rotating, is inconvenient to operate, is inconvenient to detach and replace, and has a small application range.

At present, the existing skull drill is inconvenient to use and is not beneficial to popularization and use.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a hand-operated skull drill for neurosurgery, which solves the problems that the existing skull drill occupies large space, is inconvenient to operate and is inconvenient to disassemble and replace a drill bit.

(II) technical scheme

in order to achieve the purpose, the invention is realized by the following technical scheme: a manual cranium drill for neurosurgery comprises a skull drill barrel, wherein a rotating rod is arranged at one end of the front surface of the skull drill barrel, and fixing grooves are formed in the lower ends of the two sides of the skull drill barrel;

A first helical tooth rotating column is arranged at the upper end inside the skull drill cylinder, a second helical tooth rotating column is arranged on the front side of the first helical tooth rotating column, the first helical tooth rotating column is meshed with the second helical tooth rotating column, a connecting rod is fixedly connected to the middle of the bottom end of the second helical tooth rotating column, a fixing device is fixedly connected to the bottom end of the connecting rod, a rotating cake is arranged on one side of the fixing device, an anti-slip groove is formed in the outer surface of the rotating cake, a skull drill bit is arranged in the middle of the lower surface of the fixing device, and a baffle disc is fixedly connected to the middle of the skull drill bit;

The improved rotary cake maker is characterized in that one end of a threaded rod is fixedly connected to the middle of one side of the rotary cake, a sliding rod is arranged at one end, located inside the fixing device, of the threaded rod, the top end and the bottom end of the sliding rod are movably connected with one end of a rotary rod through a pin shaft, the other end of the rotary rod is movably connected with a traction rod through a pin shaft, an elastic steel sheet is arranged at one end of the traction rod, a limiting block is fixedly connected to the middle of one side of the traction rod, and a.

Optionally, the upper end of one side of the skull drill cylinder is fixedly connected with a fixed handle, and the outer surface of the fixed handle is provided with an anti-slip groove.

Optionally, the middle of one end of the first helical tooth rotary column is rotatably connected with the inner wall of the skull drilling barrel through a bearing, and the middle of the other end of the first helical tooth rotary column is provided with a rotary rod.

Optionally, one end of the rotating rod penetrates through the skull drilling barrel and extends into the skull drilling barrel to be fixedly connected with the first helical tooth rotating column, the other end of the rotating rod is rotatably connected with a rotating handle through a bearing, and an anti-slip groove is formed in the outer surface of the rotating handle.

Optionally, the outer surface of the connecting rod is provided with an external thread groove, the inner wall of the skull drill cylinder, which is in contact with the connecting rod, is provided with an internal thread groove, and the connecting rod is in threaded connection with the inner wall of the skull drill cylinder.

Optionally, a slot is formed in the middle of the lower surface of the fixing device, and the skull drill bit is inserted into the slot.

Optionally, the other end of the threaded rod penetrates through the fixing device and is rotatably connected with the fixing device through a bearing.

Optionally, the threaded rod penetrates through the sliding rod, an internal thread is arranged on the inner surface of the sliding rod, which is in contact with the threaded rod, and the threaded rod is in threaded connection with the sliding rod.

Optionally, one end of the elastic steel sheet is fixedly connected with the inner wall of the fixing device, and the other end of the elastic steel sheet is attached to the traction rod.

Optionally, a clamping groove is formed in the upper end of the skull drill bit, and a clamping block on the fixing device is clamped with the clamping groove.

(III) advantageous effects

The invention provides a hand-operated skull drill for neurosurgery, which has the following beneficial effects:

(1) this neurosurgery is operated with shaking skull and is bored, bores a section of thick bamboo, rotary rod, fixed handle, first skewed tooth rotary column, second skewed tooth rotary column and the cooperation of connecting rod through the skull and use, can reduce the space that the device occupied when using, the operation of being convenient for, stability is high.

(2) This neurosurgery is operated and is used hand cranium drill, through the cooperation use of changeing cake, threaded rod, slide bar, bull stick, traction lever, elastic steel sheet, stopper, fixture block and draw-in groove, can be convenient for skull drill's dismantlement and installation, can change the skull drill of different diameters as required, the convenience is washd and is disinfected to skull drill simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional view of the structure of the present invention;

FIG. 3 is a top cross-sectional view of the structure of the fastening device of the present invention;

FIG. 4 is a schematic view of a cranial drill structure according to the present invention.

In the figure: the skull drill comprises a skull drill cylinder 1, a rotating rod 2, a fixing groove 3, a fixing handle 4, a first helical tooth rotating column 5, a second helical tooth rotating column 6, a connecting rod 7, a fixing device 8, a rotating cake 9, a skull drill bit 10, a baffle disc 11, a threaded rod 12, a sliding rod 13, a rotating rod 14, a traction rod 15, an elastic steel sheet 16, a limiting block 17, a clamping block 18 and a clamping groove 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

in the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1-4, the present invention provides a technical solution: a hand-operated skull drill for neurosurgery comprises a skull drill barrel 1, wherein a rotating rod 2 is arranged at one end of the front side of the skull drill barrel 1, and fixing grooves 3 are formed in the lower ends of the two sides of the skull drill barrel 1, so that the device can be conveniently fixed on an operating bed;

The skull drill comprises a skull drill barrel 1, and is characterized in that a first helical tooth rotating column 5 is arranged at the upper end inside the skull drill barrel 1, a second helical tooth rotating column 6 is arranged on the front side of the first helical tooth rotating column 5, the first helical tooth rotating column 5 is meshed with the second helical tooth rotating column 6, a connecting rod 7 is fixedly connected to the middle of the bottom end of the second helical tooth rotating column 6, a fixing device 8 is fixedly connected to the bottom end of the connecting rod 7, a rotating cake 9 is arranged on one side of the fixing device 8, an anti-skidding groove is formed in the outer surface of the rotating cake 9, a skull drill bit 10 is arranged in the middle of the lower surface of the fixing device 8, and a baffle disc 11 is fixedly connected to the middle of the skull drill bit 10;

The middle part of one side of the rotary cake 9 is fixedly connected with one end of a threaded rod 12, one end of the threaded rod 12, which is positioned inside the fixing device 8, is provided with a sliding rod 13, the top end and the bottom end of the sliding rod 13 are movably connected with one end of a rotary rod 14 through a pin shaft, the other end of the rotary rod 14 is movably connected with a traction rod 15 through a pin shaft, one end of the traction rod 15 is provided with an elastic steel sheet 16, the middle part of one side of the traction rod 15 is fixedly connected with a limiting block 17, the limiting block 17 penetrates through the limiting block 17 and is in sliding connection with the limiting block 17, the two ends of the limiting block are fixedly connected with the inner wall of the fixing device 8, the moving position of the traction rod 15 can be limited through the limiting block 17 and the limiting block, the stability of the traction rod 15 during moving is improved, the structural design is reasonable, the skull drill bits 10 of different diameters can be replaced as required, while cleaning and sterilization of the skull drill bits 10 is facilitated.

As an optional technical scheme of the invention: the upper end of one side of the skull drill tube 1 is fixedly connected with a fixed handle 4, and the outer surface of the fixed handle 4 is provided with an anti-slip groove to prevent the hands from slipping.

As an optional technical scheme of the invention: the middle part of one end of the first helical tooth rotating column 5 is rotatably connected with the inner wall of the skull drilling barrel 1 through a bearing, and the middle part of the other end of the first helical tooth rotating column 5 is provided with the rotating rod 2, so that the design is reasonable, and the use is convenient.

As an optional technical scheme of the invention: the skull bores section of thick bamboo 1 is run through to the one end of rotary rod 2 to extend to the inside and the first skewed tooth of skull and bore 5 fixed connection of section of thick bamboo 1, the other end of rotary rod 2 rotates through the bearing and is connected with and changes the handle, changes the surface of handle and has seted up anti-skidding groove, and it is smooth to avoid rotating the hand when changeing the handle.

As an optional technical scheme of the invention: the outer surface of the connecting rod 7 is provided with an external thread groove, the inner wall of the skull drill cylinder 1, which is contacted with the connecting rod 7, is provided with an internal thread groove, and the connecting rod 7 is in threaded connection with the inner wall of the skull drill cylinder 1, so that the design is reasonable, and the transmission is reliable.

As an optional technical scheme of the invention: the middle of the lower surface of the fixing device 8 is provided with a slot, and the skull drill 10 is inserted in the slot, so that the skull drill 10 can be conveniently detached and installed.

as an optional technical scheme of the invention: the other end of the threaded rod 12 penetrates through the fixing device 8 and is rotatably connected with the fixing device 8 through a bearing, and the design is reasonable.

As an optional technical scheme of the invention: the threaded rod 12 penetrates through the sliding rod 13, internal threads are arranged on the inner surface, in contact with the threaded rod 12, of the sliding rod 13, the threaded rod 12 is in threaded connection with the sliding rod 13, and the threaded rod type screw-thread connector is simple in structure and convenient to use.

As an optional technical scheme of the invention: one end of the elastic steel sheet 16 is fixedly connected with the inner wall of the fixing device 8, and the other end of the elastic steel sheet 16 is connected with the traction rod 15 in an attaching mode, so that the structural design is reasonable.

As an optional technical scheme of the invention: the upper end of the skull drill 10 is provided with a clamping groove 19, and a clamping block 18 on the fixing device 8 is clamped with the clamping groove 19 so as to fix the skull drill 10 conveniently.

In summary, before the manual skull drill for neurosurgery is used, a user fixes the manual skull drill on an operating bed through a fixing support, selects a skull drill 10 with a corresponding specification according to actual use conditions, inserts the skull drill 10 into an insertion slot on a fixing device 8, then rotates a rotary cake 9 on the fixing device 8, the rotary cake 9 drives a sliding rod 13 to move through a threaded rod 12, the sliding rod 13 drives a traction rod 15 to move through a rotating rod 14, the traction rod 15 drives a clamping block 18 to move into a clamping slot 19 on the skull drill 10, and therefore the skull drill 10 is fixedly installed on the fixing device 8; during the use, user's one hand is held fixed handle 4, and the other hand rotates and changes the handle, changes the handle and drives first skewed tooth rotating cylinder 5 through rotary rod 2 and rotates, and first skewed tooth rotating cylinder 5 drives connecting rod 7 through second skewed tooth rotating cylinder 6 and moves, and connecting rod 7 drives cranial drill 10 through fixing device 8 and moves to do neurosurgery to the patient, keep off dish 11 on cranial drill 10 prevents that cranial drill 10 from stinging intracranial and causing brain damage.

It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacted with the first and second features, or indirectly contacted with the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.