CN108042219B - Vertebral plate measuring instrument for determining slotting position in single-door operation - Google Patents
Vertebral plate measuring instrument for determining slotting position in single-door operation Download PDFInfo
- Publication number
- CN108042219B CN108042219B CN201711399533.1A CN201711399533A CN108042219B CN 108042219 B CN108042219 B CN 108042219B CN 201711399533 A CN201711399533 A CN 201711399533A CN 108042219 B CN108042219 B CN 108042219B
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- handle
- guide
- block
- positioning
- sliding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length
Abstract
The invention relates to a vertebral plate measuring instrument for determining a slotting position in a single-door opening operation, which comprises a handle, a positioning needle and a positioning arm, wherein the handle is provided with a sliding groove which is axially arranged, and a sliding block is arranged in the sliding groove and is in sliding fit with the sliding groove; the middle parts of the two positioning arms are hinged through a pin shaft, and the pin shaft is arranged on the handle; the rear end of the positioning arm is hinged with a connecting rod; one end of the connecting rod is hinged with the positioning arm, the other end of the connecting rod is hinged with the sliding block, the front end of the positioning arm is provided with a palm part, and the palm part is provided with an operation window for slotting; the front end of the positioning needle is provided with a conical tip, and the positioning needle is arranged on the handle and can slide back and forth relative to the handle. The invention can quickly and accurately determine the slotting position and avoid damaging vertebral artery by outside; the hard capsule and even the spinal cord are prevented from being damaged by the inner part; the invention has convenient and fast operation, can ensure the slotting distance and achieve the best decompression effect; but also can reduce the operation difficulty, reduce the operation error, improve the operation quality and shorten the learning curve of young surgeons.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a vertebral plate measuring instrument for determining a slotting position in a single-door opening operation.
Background
The determination of the slotting position in the single-door operation is very important, the slotting position is close to the articular process, so that the vertebral plate is not easy to wear through, much bleeding is caused, and even vertebral artery is damaged; the position of the groove is close to the inside, and the dural sac and even the spinal cord are easy to be injured. At present, the grooving position is judged mainly by the experience of an operator, the operation difficulty is higher, and the learning curve of a young surgeon is long.
Disclosure of Invention
The invention aims to provide a vertebral plate measuring instrument for determining a slotting position in a single-door operation, which can quickly and accurately determine the slotting position in the single-door operation, ensure the slotting distance on one hand and achieve the optimal decompression effect; on the other hand, the operation difficulty can be reduced, the operation error can be reduced, the operation quality can be improved, and the learning curve of young surgeons can be shortened.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the vertebral plate measuring instrument for determining the slotting position in the single-door opening operation comprises a handle, a positioning needle and a positioning arm, wherein the handle is provided with a sliding groove which is axially arranged, a sliding block is arranged in the sliding groove and is in sliding fit with the sliding groove, and the sliding block is provided with a locking device for locking the sliding block;
the middle parts of the two positioning arms are hinged through a pin shaft, and the pin shaft is arranged on the handle; the rear end of the positioning arm is hinged with a connecting rod; one end of the connecting rod is hinged with the positioning arm, the other end of the connecting rod is hinged with the sliding block, the front end of the positioning arm is provided with a palm part, and the palm part is provided with an operation window for slotting;
the front end of the positioning needle is provided with a conical tip, the positioning needle is arranged on the handle and can slide back and forth relative to the handle, and the axis of the pin shaft is vertically intersected with the axis of the positioning needle.
Furthermore, the vertebral plate measuring instrument for determining the slotting position in the single-door operation further comprises a guide rod, the front end of the guide rod is fixedly connected with the sliding block, a guide block A is fixedly arranged at the rear end of the handle, a guide hole A is formed in the guide block A, the rear end of the guide rod penetrates through the guide hole A and is in sliding fit with the guide hole A, and the axis of the guide rod is parallel to the axis of the positioning needle.
Further preferably, the handle is provided with scale marks along the axial direction, the guide rod is provided with a pointer line which is matched with the scale marks, and the scale values pointed by the pointer line correspond to the distance between the two palm parts.
Wherein, the rear end of the guide rod is provided with an expansion part, and the outer diameter of the expansion part is larger than the inner diameter of the guide hole A.
Further, the handle is platelike, has the bar groove on the handle, bar groove front end and spout intercommunication, one end and guiding hole A intercommunication behind the bar groove, and the guide bar is arranged in the bar groove.
Further preferably, the handle is provided with scale marks on both sides of the strip-shaped groove.
Further, when the slide block is at the foremost end, the distance between the two palm parts is 10mm, when the slide block is at the rearmost end, the distance between the two palm parts is 50mm, the starting point of the scale mark is 10mm, and the ending point of the scale mark is 50 mm.
Further preferably, the graduation mark has a division value of 1 mm.
Wherein, the handle is provided with a guide block B and a guide block C at intervals, guide holes B are arranged in the guide block B and the guide block C, the positioning needle penetrates through the guide holes B on the guide block B and the guide block C, and the guide block B and the guide block C are positioned in front of the sliding groove.
Wherein, the rear end of the positioning needle is provided with a stop block which is fixedly connected with the positioning needle, and the stop block is positioned in front of the sliding chute.
Compared with the prior art, the invention has the following beneficial effects:
the invention can quickly and accurately determine the slotting position in the single-door operation, and avoid the slotting position from being close to the articular process, so that the vertebral plate is not easy to wear through, much bleeding is caused, and even vertebral artery is damaged; avoiding the injury of the dural sac and even the spinal cord when the opening groove is positioned inside. On one hand, the invention has convenient and quick operation and accurate positioning, can ensure the slotting distance and achieve the best decompression effect; on the other hand, the operation difficulty is reduced, the operation error is reduced, the operation quality is improved, and the learning curve of young surgeons can be shortened.
Drawings
FIG. 1 is a three-dimensional view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
in the figure: 1-handle, 2-positioning needle, 3-positioning arm, 4-connecting rod, 5-sliding block, 6-sliding groove, 7-guide rod, 8-palm part, 9-operation window, 10-guide block A, 11-expansion part, 12-locking device, 13-hinge, 14-pin shaft, 15-conical tip, 16-guide block C, 17-stop block, 18-scale mark, 19-pointer line, 20-strip groove and 21-guide block B.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in figures 1, 2 and 3, the vertebral plate measuring instrument for determining the slotting position in the single-door operation disclosed by the invention comprises a handle 1, a positioning needle 2 and a positioning arm 3, wherein a guide rod 7 and a sliding groove 6 are axially arranged on the handle 1, the guide rod 7 can slide back and forth relative to the handle 1, a sliding block 5 is arranged in the sliding groove 6 and is in sliding fit with the sliding groove 6, a locking device 12 for locking the sliding block 5 is arranged on the sliding block 5, and the locking device 12 comprises a locking knob.
The front end of the guide rod 7 is fixedly connected with the sliding block 5, the rear end of the handle 1 is fixedly provided with a guide block A (10), a guide hole A is formed in the guide block A (10), the rear end of the guide rod 7 penetrates through the guide hole A and is in sliding fit with the guide hole A, an expansion part 11 is arranged at the rear end of the guide rod 7, and the outer diameter of the expansion part 11 is larger than the inner diameter of the guide hole A.
The middle parts of the two positioning arms 3 are hinged through a pin shaft 14, and the pin shaft 14 is arranged on the handle 1; the rear end of the positioning arm 3 is hinged with a connecting rod 4; one end of the connecting rod 4 is hinged with the positioning arm 3, the other end of the connecting rod 4 is hinged with the sliding block 5, and the connecting rod 4 is hinged with the positioning arm 3 through a hinge 13.
The front end of the positioning arm 3 is provided with a palm part 8, and the palm part 8 is provided with an operation window 9 for slotting; the front end of the positioning needle 2 is provided with a conical tip 15, the positioning needle 2 is arranged on the handle 1 and can slide back and forth relative to the handle 1, and the axis of the pin shaft 14 is vertically crossed with the axis of the positioning needle 2, so that the positioning needle 2 is always positioned in the middle between the two palm parts 8. The rear end of the positioning needle 2 is provided with a stop block 17, the stop block 17 is fixedly connected with the positioning needle 2, and the stop block 17 is positioned in front of the sliding block 5.
A guide block B21 and a guide block C16 are arranged on the handle 1 at intervals, guide holes B are formed in the guide block B21 and the guide block C16, the positioning needle 2 penetrates through the guide holes B in the guide block B21 and the guide block C16, and the guide block B21 and the guide block C16 are located in front of the sliding groove 6.
The handle 1 is provided with a scale mark 18 along the axial direction, the guide rod 7 is provided with a pointer line 19 which is matched, and the scale value pointed by the pointer line 19 corresponds to the distance between the two palm parts 8. When the slide block 5 is at the frontmost end, the distance between the two palm parts 8 is 10mm, when the slide block 5 is at the rearmost end, the distance between the two palm parts 8 is 50mm, the scale starting point of the scale mark 18 is 10mm, the scale ending point is 50mm, and the division value is 1 mm.
During the use, three-dimensional CT scans patient's neck, has the scale on the image certainly, can accurately judge that the patient need slot position and the distance L of canalis spinalis central authorities in the operation of way one-way opening door of cervical vertebra, then slide block 5 makes the directional scale interval of pointer line 19 on the guide bar 7 equal to 2L, locks locking device 12 afterwards, has just so locked the distance between two palm portions 8. Then, the positioning needle 2 is penetrated into the central position of the vertebral plate, the corresponding positions of the two palm parts 8 are slotting positions, and the slotting is carried out by a tool through the operation window 9.
The invention can quickly and accurately determine the slotting position in the single-door operation, and avoid the slotting position from being close to the articular process, so that the vertebral plate is not easy to wear through, much bleeding is caused, and even vertebral artery is damaged; avoiding the injury of the dural sac and even the spinal cord when the opening groove is positioned inside. On one hand, the invention has convenient and quick operation and accurate positioning, can ensure the slotting distance and achieve the best decompression effect; on the other hand, the operation difficulty is reduced, the operation error is reduced, the operation quality is improved, and the learning curve of young surgeons can be shortened.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (9)
1. The vertebral plate measuring instrument for determining the slotting position in the single-door operation is characterized by comprising a handle (1), a positioning needle (2) and a positioning arm (3), wherein the handle (1) is provided with a sliding groove (6) which is axially arranged, a sliding block (5) is arranged in the sliding groove (6) and is in sliding fit with the sliding groove (6), and a locking device (12) for locking the sliding block (5) is arranged on the sliding block (5);
the middle parts of the two positioning arms (3) are hinged through a pin shaft (14), and the pin shaft (14) is arranged on the handle (1); the rear end of the positioning arm (3) is hinged with a connecting rod (4); one end of the connecting rod (4) is hinged with the positioning arm (3), the other end of the connecting rod (4) is hinged with the sliding block (5), the front end of the positioning arm (3) is provided with a palm part (8), and the palm part (8) is provided with an operation window (9) for slotting;
the front end of the positioning needle (2) is provided with a conical tip (15), the positioning needle (2) is arranged on the handle (1) and can slide back and forth relative to the handle (1), and the axis of the pin shaft (14) is vertically intersected with the axis of the positioning needle (2);
the handle is characterized by further comprising a guide rod (7), the front end of the guide rod (7) is fixedly connected with the sliding block (5), a guide block A (10) is fixedly arranged at the rear end of the handle (1), a guide hole A is formed in the guide block A (10), the rear end of the guide rod (7) penetrates through the guide hole A and is in sliding fit with the guide hole A, and the axis of the guide rod (7) is parallel to the axis of the positioning needle (2).
2. The laminometer of claim 1, wherein: the handle (1) is provided with scale marks (18) along the axial direction, the guide rod (7) is provided with a matched pointer line (19), and the scale value pointed by the pointer line (19) corresponds to the distance between the two palm parts (8).
3. The laminometer of claim 1, wherein: the rear end of the guide rod (7) is provided with an expansion part (11), and the outer diameter of the expansion part (11) is larger than the inner diameter of the guide hole A.
4. The laminometer of claim 2, wherein: handle (1) are platelike, have bar groove (20) on handle (1), and bar groove (20) front end and spout (6) intercommunication, one end and guiding hole A intercommunication behind bar groove (20), and guide bar (7) are arranged in bar groove (20).
5. The laminometer of claim 4, wherein: the two sides of the strip-shaped groove (20) on the handle (1) are provided with scale marks (18).
6. The laminometer of claim 2, 4 or 5, wherein: when the slide block (5) is at the foremost end, the distance between the two palm parts (8) is 10mm, when the slide block (5) is at the rearmost end, the distance between the two palm parts (8) is 50mm, the starting point of the scale mark (18) is 10mm, and the ending point of the scale mark is 50 mm.
7. The laminometer of claim 6, wherein: the graduation mark (18) has a division value of 1 mm.
8. The laminometer of claim 1, wherein: a guide block B (21) and a guide block C (16) are arranged on the handle (1) at intervals, guide holes B are formed in the guide block B (21) and the guide block C (16), the positioning needle (2) penetrates through the guide holes B in the guide block B (21) and the guide block C (16), and the guide block B (21) and the guide block C (16) are located in front of the sliding groove (6).
9. A laminometer as claimed in claim 1 or 8 wherein: a stop block (17) is arranged at the rear end of the positioning needle (2), the stop block (17) is fixedly connected with the positioning needle (2), and the stop block (17) is positioned in front of the sliding chute (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399533.1A CN108042219B (en) | 2017-12-21 | 2017-12-21 | Vertebral plate measuring instrument for determining slotting position in single-door operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711399533.1A CN108042219B (en) | 2017-12-21 | 2017-12-21 | Vertebral plate measuring instrument for determining slotting position in single-door operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108042219A CN108042219A (en) | 2018-05-18 |
| CN108042219B true CN108042219B (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711399533.1A Active CN108042219B (en) | 2017-12-21 | 2017-12-21 | Vertebral plate measuring instrument for determining slotting position in single-door operation |
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| CN (1) | CN108042219B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037807A (en) * | 2019-04-12 | 2019-07-23 | 苏州铸正机器人有限公司 | A kind of operation pathway positioning device |
| CN110960270B (en) * | 2019-12-06 | 2020-09-29 | 吉林大学 | Vertebral plate rotating opener for cervical vertebra single-door opening operation |
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| EP1772106A1 (en) * | 2005-10-06 | 2007-04-11 | Zimmer GmbH | Instrument for preparing and/or working the femur head |
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| CN201048965Y (en) * | 2007-06-05 | 2008-04-23 | 李学德 | Percutaneous kidney puncture expanding device with indicator |
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| CN108042219A (en) | 2018-05-18 |
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