CN112807122B - Positioning arm with cranium bores - Google Patents
Positioning arm with cranium bores Download PDFInfo
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- CN112807122B CN112807122B CN201911127481.1A CN201911127481A CN112807122B CN 112807122 B CN112807122 B CN 112807122B CN 201911127481 A CN201911127481 A CN 201911127481A CN 112807122 B CN112807122 B CN 112807122B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D1/00—Surgical instruments for veterinary use
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Abstract
The invention discloses a positioning arm with a cranial drill, which is applied to brain region experiments of animals and comprises the following steps: the positioning and fixing assembly is used for positioning the cranial drill; the positioning and fixing assembly is provided with a connecting sleeve which can be loosened and tightened; the cranial drill is detachably connected with the positioning and fixing assembly in a mode of being sleeved in the connecting sleeve and being fastened by the connecting sleeve. Through the positioning arm, holes can be drilled directly after positioning in the experimental operation process of the heads of the rats and the mice, the positioning arm is not required to be dismantled, manual marking is not required, and the whole process is convenient, accurate and rapid; the operation is simple and convenient, and the operation positioning and drilling time can be effectively shortened; the universal brain stereotactic device has strong universality and can be installed on most of the rat brain stereotactic devices on the market for use.
Description
Technical Field
The invention relates to the field of experimental operation devices, in particular to a positioning arm with a cranial drill.
Background
In the experimental operation of the head of the rat and the mouse, devices such as an optical fiber, an electrode, a medicine tube and the like are required to be embedded, and operations such as medicine injection and the like are required to be performed, so that positioning and drilling are required to be performed on the head of the rat and the mouse.
However, the current positioning and drilling are separated, the positioning function is realized by using a positioning arm in a laboratory, and after the positioning is performed by using the positioning arm, other methods or means are combined to mark the positioned position;
after marking, the positioning arm needs to be dismantled, and then the drilling is carried out based on the marked position through the cranium, so that the whole experimental operation is complicated, the drilled position and the marked position are easy to be not completely coincident, and the problem of inaccurate drilled position is easy to be caused.
Thus, there is a need for a better solution to this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the positioning arm with the cranial drill, and the positioning arm and the cranial drill are combined together, so that the positioning arm can finish positioning and drilling simultaneously in the experimental operation process of the heads of the rats and the mice without manual marking, and the whole flow is convenient, accurate and rapid; the operation is simple and convenient, and the operation positioning and drilling time can be effectively shortened; the universal brain stereotactic device has strong universality and can be installed on most of the rat brain stereotactic devices on the market for use.
Specifically, the present invention proposes the following specific embodiments:
the embodiment of the invention discloses a positioning arm with a cranial drill, which is applied to brain region experiments of animals and comprises the following steps: the positioning and fixing assembly is used for positioning the cranial drill; the positioning and fixing assembly is provided with a connecting sleeve which can be loosened and tightened; the cranial drill is detachably connected with the positioning and fixing assembly in a mode of being sleeved in the connecting sleeve and being fastened by the connecting sleeve.
In a specific embodiment, the burr comprises: a drive rod and a drill bit; the driving rod is detachably connected with the drill bit to drive the drill bit to rotate.
In a specific embodiment, the driving rod includes:
the drill bit connecting rod, the guide pipe, the main motor, the shell, the sliding seat, the internal thread pipe, the screw rod, the feeding motor, the controller and the guide rail;
the drill bit connecting rod is detachably connected with the drill bit;
the front end of the shell is provided with the guide pipe; the drill bit connecting rod is accommodated in the guide tube;
the rear end of the drill bit connecting rod is connected with a motor shaft of the main motor; the rear end of the main motor is connected with the front side of the sliding seat;
a plurality of guide rails are arranged in the shell along the length direction; the sliding seat is in sliding connection with the guide rail;
the rear side of the sliding seat is connected with a hollow threaded pipe; an internal thread is arranged on the inner side of the threaded pipe;
the rear end of the shell is provided with a feeding motor, the front end of the feeding motor is provided with a screw rod, the screw rod is connected in a mode of being matched with the internal thread of the threaded pipe, and the tail of the shell is also provided with a controller for respectively connecting and respectively controlling the main motor and the feeding motor; the controller is provided with a power line.
In a specific embodiment, the outer surface of the shell of the driving rod is provided with anti-skid patterns.
In a specific embodiment, the housing is a metal housing or a polymeric housing.
In a specific embodiment, the housing is cylindrical in shape.
In a specific embodiment, the positioning fixture assembly further comprises: a positioning arm and a fastening screw; wherein, a fixed slot is arranged in the positioning arm; one side of the fixed groove is also provided with a through fastening hole; the inner wall of the fastening hole is provided with an internal thread;
both ends of the connecting sleeve are embedded into the fixing grooves of the positioning arms;
the inner end of the fastening screw rotates in the internal thread of the fastening hole to realize opening and closing of the two ends of the connecting sleeve so as to realize tightness adjustment of the connecting sleeve.
In a specific embodiment, the outer end of the fastening screw is provided with anti-slip threads.
In a specific embodiment, the outer end of the fastening screw is cylindrical.
In a specific embodiment, the outer end of the fastening screw is provided with anti-slip teeth.
Thus, the embodiment of the invention discloses a positioning arm with a cranial drill, which is applied to brain region experiments of animals and comprises the following steps: the positioning and fixing assembly is used for positioning the cranial drill; the positioning and fixing assembly is provided with a connecting sleeve which can be loosened and tightened; the cranial drill is detachably connected with the positioning and fixing assembly in a mode of being sleeved in the connecting sleeve and being fastened by the connecting sleeve. Through the positioning arm, holes can be drilled directly after positioning in the experimental operation process of the heads of the rats and the mice, the positioning arm is not required to be dismantled, manual marking is not required, and the whole process is convenient, accurate and rapid; the operation is simple and convenient, and the operation positioning and drilling time can be effectively shortened; the universal brain stereotactic device has strong universality and can be installed on most of the rat brain stereotactic devices on the market for use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a positioning arm with a burr according to an embodiment of the invention;
FIG. 2 is a side view of a positioning arm with a burr according to an embodiment of the invention;
FIG. 3 is a top view of a positioning arm with a burr according to an embodiment of the invention;
fig. 4 is a schematic structural view of a driving rod in a positioning arm with a cranial drill according to an embodiment of the present invention.
Legend description:
1-cranium drilling;
11-a drive rod;
111-drill bit connecting rods; 112-a guide tube;
113-a main motor; 1311-motor shaft;
114-a housing; 115-a slide; 116-an internally threaded tube; 117-screw;
118-a feed motor; 119-a controller; 110-a guide rail;
12-a drill bit; 13-a power line;
2-positioning and fixing components;
21-connecting sleeve; 22-positioning arms; 23-tightening the screw.
Detailed Description
Hereinafter, various embodiments of the present disclosure will be more fully described. The present disclosure is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit the various embodiments of the disclosure to the specific embodiments disclosed herein, but rather the disclosure is to be interpreted to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of the various embodiments of the disclosure.
The terminology used in the various embodiments of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the disclosure. As used herein, the singular is intended to include the plural as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of this disclosure belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having a meaning that is the same as the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in the various embodiments of the disclosure.
Examples
The embodiment of the invention discloses a positioning arm with a cranial drill, which is applied to brain region experiments of animals, as shown in figures 1-3, and comprises the following steps: the skull drill 1 and the positioning and fixing assembly 2 are used for positioning; wherein, the positioning and fixing assembly is provided with a connecting sleeve 21 which can be loosened and tightened; the cranial drill is detachably connected with the positioning and fixing assembly in a mode of being sleeved in the connecting sleeve and being fastened by the connecting sleeve.
Specifically, the locating arm of this scheme has combined the cranium to bore, can directly bore a hole after the location in the experimental operation process of big mouse head, need not to demolish the locating arm, makes the locating position and the coincidence of drilling position 100% to make drilling position accurate, convenient operation is accurate rapid. And the universality is strong, and the device can be installed on most of the rat brain stereotactic apparatuses on the market for use.
The positioning arm is combined with the cranial drill, so that positioning and drilling can be finished simultaneously in the experimental operation process of the head of the rat and the mouse without manual marking, and the whole process is convenient, accurate and rapid; the operation is simple and convenient, and the operation positioning and drilling time can be effectively shortened; the universal brain stereotactic device has strong universality and can be installed on most of the rat brain stereotactic devices on the market for use.
In a specific embodiment, as shown in FIGS. 1-2, the burr includes: a driving rod 11 and a drill 12; the driving rod is detachably connected with the drill bit to drive the drill bit to rotate.
Specifically, because the driving rod and the drill bit are detachably connected, the drill bit is detachable and replaceable, and the drill bit model is convenient to replace and maintain.
In a specific embodiment, as shown in fig. 4, the driving rod 11 includes:
the drill bit connecting rod, the guide pipe, the main motor, the shell, the sliding seat, the internal thread pipe, the screw rod, the feeding motor, the controller and the guide rail;
the drill bit connecting rod is detachably connected with the drill bit;
the front end of the shell is provided with the guide pipe; the drill bit connecting rod is accommodated in the guide tube;
the rear end of the drill bit connecting rod is connected with a motor shaft of the main motor; the rear end of the main motor is connected with the front side of the sliding seat;
a plurality of guide rails are arranged in the shell along the length direction; the sliding seat is in sliding connection with the guide rail;
the rear side of the sliding seat is connected with a hollow threaded pipe; an internal thread is arranged on the inner side of the threaded pipe;
the rear end of the shell is provided with a feeding motor, the front end of the feeding motor is provided with a screw rod, the screw rod is connected in a mode of being matched with the internal thread of the threaded pipe, and the tail of the shell is also provided with a controller for respectively connecting and respectively controlling the main motor and the feeding motor; the controller is provided with a power line.
Therefore, the power line supplies power to the main motor and the feeding motor in the whole driving rod, and under the control of the controller, the main motor and/or the feeding motor is started or closed, so that the drill bit is driven to rotate, and drilling operation required by experiments is realized. During actual operation, the feed motor may also be controlled to control the depth of the borehole.
In a specific embodiment, the outer surface of the housing of the drive rod is provided with anti-slip threads for better gripping of the drive rod.
The specific anti-skid patterns can be stripe patterns, diamond patterns, hob patterns and the like.
In a specific embodiment, the housing is a metal housing or a polymer housing in order to ensure sufficient structural strength.
In a specific embodiment, the housing is cylindrical in shape. Of course, other shapes may be used, such as polygonal shapes, rectangular solids, etc.
In a specific embodiment, as shown in fig. 1-2, in order to facilitate the tightness of the conditional connecting sleeve, that is, the fixing degree of the sleeve on the driving rod, the positioning and fixing assembly further includes: a positioning arm and a fastening screw; wherein, a fixed slot is arranged in the positioning arm; one side of the fixed groove is also provided with a through fastening hole; the inner wall of the fastening hole is provided with an internal thread;
both ends of the connecting sleeve are embedded into the fixing grooves of the positioning arms;
the inner end of the fastening screw rotates in the internal thread of the fastening hole to realize opening and closing of the two ends of the connecting sleeve so as to realize tightness adjustment of the connecting sleeve.
In a specific embodiment, in order to better rotate the fastening screw, it is convenient to screw or unscrew the fastening screw, and the outer end of the fastening screw is provided with anti-slip threads.
In a specific embodiment, the outer end of the fastening screw is cylindrical.
In a specific embodiment, in order to facilitate screwing and unscrewing of the fastening screw, the outer end of the fastening screw is provided with anti-slip teeth, which are easy to be stressed.
Thus, the embodiment of the invention discloses a positioning arm with a cranial drill, which is applied to brain region experiments of animals and comprises the following steps: the positioning and fixing assembly is used for positioning the cranial drill; the positioning and fixing assembly is provided with a connecting sleeve which can be loosened and tightened; the cranial drill is detachably connected with the positioning and fixing assembly in a mode of being sleeved in the connecting sleeve and being fastened by the connecting sleeve. Through the positioning arm, holes can be drilled directly after positioning in the experimental operation process of the heads of the rats and the mice, the positioning arm is not required to be dismantled, manual marking is not required, and the whole process is convenient, accurate and rapid; the operation is simple and convenient, and the operation positioning and drilling time can be effectively shortened; the universal brain stereotactic device has strong universality and can be installed on most of the rat brain stereotactic devices on the market for use.
Those skilled in the art will appreciate that the drawing is merely a schematic illustration of a preferred implementation scenario and that the modules or flows in the drawing are not necessarily required to practice the invention.
Those skilled in the art will appreciate that modules in an apparatus in an implementation scenario may be distributed in an apparatus in an implementation scenario according to an implementation scenario description, or that corresponding changes may be located in one or more apparatuses different from the implementation scenario. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The above-mentioned inventive sequence numbers are merely for description and do not represent advantages or disadvantages of the implementation scenario.
The foregoing disclosure is merely illustrative of some embodiments of the invention, and the invention is not limited thereto, as modifications may be made by those skilled in the art without departing from the scope of the invention.
Claims (8)
1. A positioning arm with a cranial drill for use in an animal brain area test, comprising: the positioning and fixing assembly is used for positioning the cranial drill; the positioning and fixing assembly is provided with a connecting sleeve which can be loosened and tightened; the cranial drill is detachably connected with the positioning and fixing assembly in a mode of being sleeved in the connecting sleeve and being fastened by the connecting sleeve;
the cranial drill is used for drilling according to the positioning of the positioning and fixing assembly, and specifically comprises the following steps: a drive rod and a drill bit; the driving rod is detachably connected with the drill bit to drive the drill bit to rotate; the driving rod comprises a drill bit connecting rod, a guide pipe, a main motor, a shell, a sliding seat, an internal thread pipe, a screw rod, a feeding motor, a controller and a guide rail; the drill bit connecting rod is detachably connected with the drill bit; the front end of the shell is provided with the guide pipe; the drill bit connecting rod is accommodated in the guide tube; the rear end of the drill bit connecting rod is connected with a motor shaft of the main motor; the rear end of the main motor is connected with the front side of the sliding seat; a plurality of guide rails are arranged in the shell along the length direction; the sliding seat is in sliding connection with the guide rail; the rear side of the sliding seat is connected with a hollow threaded pipe; an internal thread is arranged on the inner side of the threaded pipe;
the rear end of the shell is provided with a feeding motor, the front end of the feeding motor is provided with a screw rod, the screw rod is connected in a mode of being matched with the internal thread of the threaded pipe, and the tail of the shell is also provided with a controller for respectively connecting and respectively controlling the main motor and the feeding motor; the controller is provided with a power line;
the power line supplies power to the main motor and the feeding motor in the whole driving rod, and under the control of the controller, the main motor and/or the feeding motor is started or closed, so that the drill bit is driven to rotate, and drilling operation required by experiments is realized; the power cord may also control the feed motor to control the depth of the borehole.
2. The positioning arm with a burr of claim 1, wherein the outer surface of the housing of the drive rod is provided with anti-slip threads.
3. A positioning arm with a cranial drill according to claim 1 or 2, wherein the housing is a metal housing or a polymer housing.
4. A positioning arm with a burr of claim 1 or 2, wherein the housing is cylindrical in shape.
5. The positioning arm with a burr of claim 1, wherein the positioning fixture assembly further comprises: a positioning arm and a fastening screw; wherein, a fixed slot is arranged in the positioning arm; one side of the fixed groove is also provided with a through fastening hole; the inner wall of the fastening hole is provided with an internal thread;
both ends of the connecting sleeve are embedded into the fixing grooves of the positioning arms;
the inner end of the fastening screw rotates in the internal thread of the fastening hole to realize opening and closing of the two ends of the connecting sleeve so as to realize tightness adjustment of the connecting sleeve.
6. The positioning arm with a cranial drill according to claim 5, wherein the outer end of the fastening screw is provided with anti-slip threads.
7. The positioning arm with a burr of claim 5 or 6, wherein the outer end of the tightening screw is cylindrical.
8. The positioning arm with a cranial drill according to claim 5, wherein the outer end of the fastening screw is provided with anti-slip teeth.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127481.1A CN112807122B (en) | 2019-11-18 | 2019-11-18 | Positioning arm with cranium bores |
| PCT/CN2020/129182 WO2021098658A1 (en) | 2019-11-18 | 2020-11-16 | Positioning arm with cranial drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911127481.1A CN112807122B (en) | 2019-11-18 | 2019-11-18 | Positioning arm with cranium bores |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112807122A CN112807122A (en) | 2021-05-18 |
| CN112807122B true CN112807122B (en) | 2023-04-28 |
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ID=75852458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911127481.1A Active CN112807122B (en) | 2019-11-18 | 2019-11-18 | Positioning arm with cranium bores |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112807122B (en) |
| WO (1) | WO2021098658A1 (en) |
Citations (2)
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| CN204169895U (en) * | 2014-09-01 | 2015-02-25 | 天津泰宁中恒科技有限公司 | A kind of cranial drill |
| CN109498103A (en) * | 2018-12-29 | 2019-03-22 | 王志国 | A kind of Mirco-traumatic skull drill of improved neurosurgery clinical operation |
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| CN2376869Y (en) * | 1999-06-11 | 2000-05-10 | 孙树杰 | Directional cranial micro-drilling device |
| CN2652336Y (en) * | 2003-08-27 | 2004-11-03 | 许远海 | Guide device for skull oriented drilling |
| CN201256993Y (en) * | 2008-09-12 | 2009-06-17 | 威海鸿宇医疗器械有限公司 | Micro-wound orientation skull drilling device |
| CN201524115U (en) * | 2009-03-26 | 2010-07-14 | 中国人民解放军第二军医大学 | Portable rechargeable multifunctional cranium bradawl |
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| CN202982297U (en) * | 2012-08-22 | 2013-06-12 | 中国人民解放军第三医院 | Craniotomy-dedicated trephine for small animals |
| CN202960656U (en) * | 2012-12-20 | 2013-06-05 | 王建国 | Manual craniotomy drill with lighting device |
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2019
- 2019-11-18 CN CN201911127481.1A patent/CN112807122B/en active Active
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204169895U (en) * | 2014-09-01 | 2015-02-25 | 天津泰宁中恒科技有限公司 | A kind of cranial drill |
| CN109498103A (en) * | 2018-12-29 | 2019-03-22 | 王志国 | A kind of Mirco-traumatic skull drill of improved neurosurgery clinical operation |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021098658A1 (en) | 2021-05-27 |
| CN112807122A (en) | 2021-05-18 |
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