CN111012471A - Screw clamping device for neurosurgery and using method thereof - Google Patents
Screw clamping device for neurosurgery and using method thereof Download PDFInfo
- Publication number
- CN111012471A CN111012471A CN201911359275.3A CN201911359275A CN111012471A CN 111012471 A CN111012471 A CN 111012471A CN 201911359275 A CN201911359275 A CN 201911359275A CN 111012471 A CN111012471 A CN 111012471A
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- screw
- fixed
- screw clamping
- clamping device
- rod
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
Abstract
The screw clamping device for the neurosurgery comprises a sleeve rod, a screw cutter rod is movably sleeved in the sleeve rod, a fixed rod is integrally arranged on one side of the bottom end of the sleeve rod, an ear plate is fixed on the side wall of the other side of the sleeve rod, the ear plate is rotatably connected with a connecting part on a clamp arm through a connecting pin, short plates close to each other are fixed at the bottom end of the fixed rod and the bottom end of the clamp arm, and screw clamping plates for clamping screws are fixed at the opposite end parts of the two short plates. The screw clamping device is simple in structure, screws can be conveniently clamped and fixed through the clamp arms, the sleeve rods are held by hands, the screws can be sent to the appointed positions, the screw cutter rods are rotated, the screws can be stably and rotationally fed, the screw shaking amplitude is small, and the mounting efficiency of the screws in the operation is improved.
Description
Technical Field
The invention belongs to the technical field of surgical screw clamping devices, and particularly relates to a screw clamping device for neurosurgery and a using method thereof.
Background
After craniotomy is performed on the brain, the opened skull is usually fixed to a steel plate using screws to fix the removed skull. Because the screw of fixed skull is very little, after medical staff took latex gloves, the screw that is difficult to more accurate takes is arranged in required position and is installed, and at present when the installation screw, electronic screwdriver or manual screwdriver rock easily, and is unstable during the feed, is unfavorable for stable installation screw for the installation effectiveness of screw is low, influences the operation efficiency.
Disclosure of Invention
The present invention is directed to a screw clamping device for neurosurgery and a method for using the same, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a screw clamping device for neurosurgery, includes the loop bar, the inside movable sleeve of loop bar is equipped with screwdriver pole, the bottom one side integration of loop bar is provided with the dead lever, be fixed with the otic placode on the opposite side lateral wall of loop bar, the otic placode passes through the connecting pin and is connected with the connecting portion rotation on the tong arm, the bottom of dead lever and the bottom of tong arm all are fixed with the short slab that is close to each other, two the tip that the short slab is relative all is fixed with the screw cardboard that is used for blocking the screw.
Preferably, a knob is fixed at the upper end of the screwdriver rod.
Preferably, a spring is further fixed between the forceps arm and the loop bar.
Preferably, the screw clamping plates are all arranged in an arc shape, the inner arc surfaces of the screw clamping plates are all fixed with silica gel pads, and the screwdriver rod is located on a central line of a connecting line of the two screw clamping plates.
Preferably, a clamping support is integrally arranged on the other side of the bottom end of the loop bar, and the clamp arm is clamped in the clamping support.
Preferably, the outer wall of the screwdriver rod is provided with threads, and the screwdriver rod is installed in the loop bar through the threads.
Meanwhile, the invention also discloses a use method of the screw clamping device for the neurosurgery, which comprises the following operation steps:
s1: placing a thumb in the forceps arms, placing a forefinger and a middle finger in the finger fixing rings, so as to stably take up the device, pressing the thumb to rotate the forceps arms, stretching the bottom ends of the forceps arms and the bottom ends of the fixing rods, vertically placing clean screws between screw clamping plates, loosening the thumb, automatically resetting the forceps arms, and clamping and fixing the screws by using the screw clamping plates on two sides;
s2: during the installation screw, send the screw to required position, the knob at rotatory screwdriver pole top to conveniently drive the screwdriver pole, under threaded effect, the screwdriver pole limit rotation limit feeds downwards, thereby supports tight screw tip, presses the thumb this moment, makes the tong arm open, loosens the screw, continues to rotate the knob, thereby accomplishes the installation of screw.
The invention has the technical effects and advantages that:
the screw clamping device is simple in structure, screws can be conveniently clamped and fixed through the clamp arms, the sleeve rods are held by hands, the screws can be sent to the appointed positions, the screw cutter rods are rotated, the screws can be stably and rotationally fed, the screw shaking amplitude is small, and the mounting efficiency of the screws in the operation is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a screw fastener plate according to the present invention.
In the figure: 1 knob, 2 screwdriver poles, 3 loop bars, 301 card holds in the palm, 4 finger fixed rings, 5 dead levers, 6 short plates, 7 springs, 8 tong arms, 9 connecting portions, 10 connecting pins, 11 otic placodes, 12 screw cardboard, 13 silica gel pads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a screw clamping device for neurosurgery, including loop bar 3, the inside movable sleeve of loop bar 3 is equipped with screwdriver pole 2, the upper end of screwdriver pole 2 is fixed with knob 1, conveniently rotates screwdriver pole 2, be equipped with the screw thread on the 2 outer walls of screwdriver pole, screwdriver pole 2 passes through the screw thread and installs in loop bar 3, and the upper end is equipped with the screw thread in loop bar 3, through mutually supporting with the screw thread on screwdriver pole 2, can stabilize drive screwdriver pole 2 and stretch out and draw back along loop bar 3 is inside when rotatory screwdriver pole 2 to stabilize the drive screw and install.
The fixing rod 5 is integrally arranged on one side of the bottom end of the sleeve rod 3, an ear plate 11 is fixed on the side wall of the other side of the sleeve rod 3, the ear plate 11 is rotatably connected with a connecting portion 9 on the clamp arm 8 through a connecting pin 10, so that the clamp arm 8 can rotate through the connecting pin 10, the distance between the bottom end of the clamp arm 8 and the fixing rod 5 is adjusted, clamping and releasing of screws are achieved, a spring 7 is further fixed between the clamp arm 8 and the sleeve rod 3, the clamp arm 8 can automatically reset by means of the spring 7, and after a thumb is loosened, the screws can be automatically clamped, a clamping support 301 is integrally arranged on the other side of the bottom end of the sleeve rod 3, and the clamp arm 8 is clamped in the clamping support 301 and used for positioning and supporting the clamp arm 8 when the clamp arm 8 resets.
The bottom of dead lever 5 and the bottom of tong arm 8 all are fixed with short slab 6 that is close to each other, two the tip that short slab 6 is relative all is fixed with the screw cardboard 12 that is used for blocking the screw, screw cardboard 12 all is the arc setting, and all is fixed with silica gel pad 13 on the intrados of screw cardboard 12, screwdriver pole 2 is located the central line of two screw cardboard 12 lines, utilizes silica gel pad 13, can prevent that the screw is not hard up to drop, and is more stable during the fixing.
Meanwhile, the invention also discloses a use method of the screw clamping device for the neurosurgery, which comprises the following operation steps:
s1: placing a thumb in the clamp arm 8, placing a forefinger and a middle finger in the finger fixing ring 4, stably taking up the device, pressing the thumb to rotate the clamp arm 8, stretching the bottom end of the clamp arm 8 and the bottom end of the fixing rod 6, vertically placing clean screws between the screw clamping plates 12, loosening the thumb, automatically resetting the clamp arm 8, and clamping and fixing the screws by using the screw clamping plates 12 on the two sides;
s2: during the installation screw, send the screw to required position, the knob 1 at rotatory screwdriver pole 2 tops to conveniently drive screwdriver pole 2, under the effect of screw thread, 2 limit rotation limits of screwdriver pole are fed downwards, thereby support tight screw tip, press the thumb this moment, make tong arm 8 open, loosen the screw, continue to rotate knob 1, thereby accomplish the installation of screw.
The screw clamping device is simple in structure, screws can be conveniently clamped and fixed through the clamp arms 8, the sleeve rod 3 can be held by hands, the screws can be sent to the designated position, the screw cutter rod 2 is rotated, the screws can be stably and rotationally fed, the screw shaking amplitude is small, and the mounting efficiency of the screws in an operation is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A screw clamping device for neurosurgery, includes loop bar (3), its characterized in that: the inside movable sleeve of loop bar (3) is equipped with screwdriver pole (2), the bottom one side integration of loop bar (3) is provided with dead lever (5), be fixed with otic placode (11) on the opposite side lateral wall of loop bar (3), otic placode (11) are rotated through connecting pin (10) and connecting portion (9) on tong arm (8) and are connected, the bottom of dead lever (5) all is fixed with short board (6) that are close to each other with the bottom of tong arm (8), two the tip that short board (6) are relative all is fixed with screw cardboard (12) that are used for blocking the screw.
2. A screw clamping device for neurosurgery according to claim 1 wherein: the upper end of the screwdriver rod (2) is fixed with a knob (1).
3. A screw clamping device for neurosurgery according to claim 1 wherein: and a spring (7) is also fixed between the forceps arm (8) and the loop bar (3).
4. A screw clamping device for neurosurgery according to claim 1 wherein: the screw clamping plates (12) are all arranged in an arc shape, the inner arc surfaces of the screw clamping plates (12) are fixed with silica gel pads (13), and the screwdriver rod (2) is located on a central line of a connecting line of the two screw clamping plates (12).
5. A screw clamping device for neurosurgery according to claim 1 wherein: the clamp support (301) is integrally arranged on the other side of the bottom end of the loop bar (3), and the clamp arm (8) is clamped in the clamp support (301).
6. A screw clamping device for neurosurgery according to claim 1 wherein: the outer wall of the screwdriver rod (2) is provided with threads, and the screwdriver rod (2) is installed in the sleeve rod (3) through the threads.
7. A method of using the neurosurgical screw clamping device of any one of claims 1-6, wherein: the method comprises the following operation steps:
s1: placing a thumb in the clamp arm (8), placing a forefinger and a middle finger in the finger fixing ring (4), stably taking up the device, pressing the thumb to rotate the clamp arm (8), stretching the bottom end of the clamp arm (8) and the bottom end of the fixing rod (6), vertically placing clean screws between the screw clamping plates (12), loosening the thumb, automatically resetting the clamp arm (8), and clamping and fixing the screws by using the screw clamping plates (12) on the two sides;
s2: during the installation screw, send the screw to required position, knob (1) at rotatory screwdriver pole (2) top to conveniently drive screwdriver pole (2), under the effect of screw thread, screwdriver pole (2) limit rotation limit downfeed to support tight screw tip, press the thumb this moment, make tong arm (8) open, loosen the screw, continue to rotate knob (1), thereby accomplish the installation of screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911359275.3A CN111012471A (en) | 2019-12-25 | 2019-12-25 | Screw clamping device for neurosurgery and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911359275.3A CN111012471A (en) | 2019-12-25 | 2019-12-25 | Screw clamping device for neurosurgery and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111012471A true CN111012471A (en) | 2020-04-17 |
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ID=70213343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911359275.3A Withdrawn CN111012471A (en) | 2019-12-25 | 2019-12-25 | Screw clamping device for neurosurgery and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111012471A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021255A (en) * | 2021-02-23 | 2021-06-25 | 南京信息职业技术学院 | Portable feeding tool |
| CN115120328A (en) * | 2022-06-23 | 2022-09-30 | 经纬医疗器材制造（深圳）有限公司 | Self-locking clamping structure |
-
2019
- 2019-12-25 CN CN201911359275.3A patent/CN111012471A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021255A (en) * | 2021-02-23 | 2021-06-25 | 南京信息职业技术学院 | Portable feeding tool |
| CN115120328A (en) * | 2022-06-23 | 2022-09-30 | 经纬医疗器材制造（深圳）有限公司 | Self-locking clamping structure |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200417 |
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| WW01 | Invention patent application withdrawn after publication |