CN111437002A - Cartilage endplate excising device and using method thereof - Google Patents
Cartilage endplate excising device and using method thereof Download PDFInfo
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- CN111437002A CN111437002A CN202010378827.1A CN202010378827A CN111437002A CN 111437002 A CN111437002 A CN 111437002A CN 202010378827 A CN202010378827 A CN 202010378827A CN 111437002 A CN111437002 A CN 111437002A
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- upper head
- cartilage
- head part
- end plate
- handle
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1659—Surgical rasps, files, planes, or scrapers
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
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- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
The invention discloses a cartilage endplate resectoscope and a using method thereof, wherein the cartilage endplate resectoscope comprises the following components: the upper head part, the lower head part, the movable arm, the fixed arm and the handle; the lower head part is fixedly connected with the front end of the fixed arm, the upper head part is movably connected with a pin shaft at the front end of the movable arm, the tail part of the upper head part is connected with a spring wire in the movable arm, and the spring wire is connected with a handle; the movable arm and the fixed arm are both connected with the handle; the middle part of the upper head part is provided with a through hole; the edge of the upper head part is provided with a micro blade; the using method comprises the following steps: the handle is held by hand, the lower head part is shoveled into the intervertebral space, the cartilage end plate is pried off, the handle is held tightly to control the upper head part, the miniature blade of the upper head part is meshed with the groove of the lower head part, the cartilage end plate is cut off, the cut cartilage end plate is clamped in the through hole of the upper head part, and finally the cartilage end plate is taken out. The invention can quickly separate the cartilage end plate from the bone end plate, shortens the operation time, is convenient to operate in the narrow intervertebral space, reduces the operation cost and is beneficial to the quick rehabilitation of patients.
Description
Technical Field
The invention relates to the field of medical instrument research, in particular to a cartilage endplate resectoscope and a using method thereof.
Background
Disc surgery requires removal of the entire disc, nucleus pulposus tissue, annulus fibrosus, and then also removal of the endplates at the surface of the vertebral body. The cartilage end plate is compact and is tightly attached to the bony end plate; the cartilage end plate has toughness, is difficult for scraping off when scraping off, and the cartilage end plate is flocculent when scraping off, is difficult for scraping off, and whole process is consuming time hard.
There are three methods for clinically scraping the cartilage end plate.
The first kind adopts the curette, uses the curette to slowly scrape off the cartilage end plate, need consume a large amount of time, and is difficult for scraping, and whole operation can spend longer time on scraping off the cartilage end plate, leads to patient's anesthesia time extension, and the expense increases, and is unfavorable for the quick recovery of patient.
Secondly, the nucleus pulposus clamp is adopted for biting, when the nucleus pulposus clamp is used for biting, the cartilage end plate is filiform, the nucleus pulposus clamp does not have a cutting effect, the filiform cartilage end plate cannot be cut off, and some flocculent cartilage end plates cannot be scraped during the biting of the nucleus pulposus clamp; the head of the nucleus pulposus clamp is too thick, the opening degree after the nucleus pulposus clamp enters the intervertebral space is limited, only one cartilage end plate can be bitten each time, the operation time is prolonged, the anesthesia time of a patient is prolonged, the cost is increased, and the quick recovery of the patient is not facilitated.
The third one adopts the curet to be matched with the nucleus pulposus pincers for use, but the problems that the operation time is too long, the anesthesia time of a patient is prolonged, the cost is increased, and the quick recovery of the patient is not facilitated exist at all.
Disclosure of Invention
The invention aims to provide a cartilage end plate resectoscope and a using method thereof, which can quickly separate a cartilage end plate from a bony end plate, shorten the operation time, facilitate the operation in a narrow intervertebral space, reduce the operation cost and be beneficial to the quick recovery of a patient.
To achieve the above objects, the present invention provides a cartilage endplate resectoscope comprising: the upper head part, the lower head part, the movable arm, the fixed arm and the handle; the lower head part is fixedly connected with the front end of the fixed arm, the upper head part is movably connected with a pin shaft at the front end of the movable arm, the tail part of the upper head part is connected with a spring wire in the movable arm, and the spring wire is connected with a handle; the movable arm and the fixed arm are both connected with the handle; the middle part of the upper head part is provided with a through hole; the edge of the upper head part is provided with a micro blade.
Preferably, the edge of the lower head part is provided with a groove which is matched with the micro blade of the upper head part.
Preferably, the lower head part is in an oval shovel shape.
Preferably, the upper head portion is elliptical.
Preferably, the upper head and the lower head are coaxial with the movable arm and the fixed arm.
Preferably, the horizontal included angle between the axes of the upper head part and the lower head part and the axes of the movable arm and the fixed arm is 30 degrees.
Preferably, the horizontal included angle between the axes of the upper head part and the lower head part and the axes of the movable arm and the fixed arm is-30 degrees.
Preferably, the microblade is in the shape of an annular sheet, and the edge of the microblade faces downwards.
Further, methods of use of the cartilage endplate resectoscope:
the handle is held by hand, the lower head portion is enabled to shovel into a gap between the cartilage end plate and the bony end plate, the cartilage end plate is pried and peeled after the lower head portion is inserted into the gap, the handle is held tightly to control the upper head portion after the cartilage end plate is pried and peeled, the miniature blade of the upper head portion is enabled to be meshed with the groove of the lower head portion, the cartilage end plate is cut off, the cut cartilage end plate is clamped in the through hole of the upper head portion, and finally the cartilage end.
The invention has the following beneficial effects:
1. after the cartilage end plate is pried and stripped by the front shovel type blade, the cartilage end plate with a large area can be cut off at one time, so that the operation time is shortened, and the operation safety is improved;
2. facilitating manipulation in the narrow intervertebral space;
3. the operation cost is reduced;
4. is beneficial to the rapid rehabilitation of patients.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of view A in FIG. 1;
FIG. 3 is a schematic structural view of the engaging surface of the lower head and the upper head;
in the figure: 1-upper head, 101-micro blade, 102-through hole, 2-lower head, 201-groove, 3-movable arm, 4-fixed arm, and 5-handle.
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.
The invention provides a cartilage endplate resectoscope, comprising: the device comprises an upper head part 1, a lower head part 2, a movable arm 3, a fixed arm 4 and a handle 5; the lower head part 2 is fixedly connected with the front end of the fixed arm 4, the upper head part 2 is movably connected with a pin shaft at the front end of the movable arm 3, the tail part of the upper head part 1 is connected with a spring wire in the movable arm 3, and the spring wire is connected with a handle 5; the movable arm 3 and the fixed arm 4 are both connected with a handle 5); the middle part of the upper head part 1 is provided with a through hole 102; the edge of the upper head part 1 is provided with a micro blade 101.
Preferably, the lower head 2 is provided with a groove 201 at the edge, and the groove 201 is matched with the micro blade 101 of the upper head 1.
Preferably, the lower head 2 is in the shape of an oval shovel.
Preferably, the upper head 1 is elliptical.
Preferably, the upper head part 1 and the lower head part 2 are coaxial with the movable arm 3 and the fixed arm 4.
Preferably, the horizontal included angle between the axes of the upper head part 1 and the lower head part 2 and the axes of the movable arm 3 and the fixed arm 4 is 30 degrees.
Preferably, the horizontal included angle between the axes of the upper head part 1 and the lower head part 2 and the axes of the movable arm 3 and the fixed arm 4 is-30 degrees.
Preferably, the micro blade 101 is in the shape of a ring plate, and the edge of the micro blade 101 faces downward.
Further, methods of use of the cartilage endplate resectoscope:
the handle 5 is held by hand, the lower head 2 is enabled to shovel into a gap between the cartilage end plate and the bony end plate, the cartilage end plate is pried and peeled after the lower head 2 is inserted into the gap, the handle 5 is tightly held to control the upper head 1 after the cartilage end plate is pried and peeled, the miniature blade 101 of the upper head 1 is enabled to be meshed with the groove 201 of the lower head 2, the cartilage end plate is cut off, the cut cartilage end plate is clamped in the through hole 102 of the upper head 1, and finally the cartilage end plate is taken out.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (9)
1. A cartilage endplate resectoscope comprising: an upper head (1), a lower head (2), a movable arm (3), a fixed arm (4) and a handle (5); the lower head (2) is fixedly connected with the front end of the fixed arm (4), the upper head (2) is movably connected with a pin shaft at the front end of the movable arm (3), the tail part of the upper head (1) is connected with a spring wire in the movable arm (3), and the spring wire is connected with the handle (5); the movable arm (3) and the fixed arm (4) are both connected with a handle (5); the middle part of the upper head part (1) is provided with a through hole (102); the edge of the upper head part (1) is provided with a micro blade (101).
2. A cartilage endplate resectoscope according to claim 1, wherein: the edge of the lower head part (2) is provided with a groove (201), and the groove (201) is matched with the micro blade (101) of the upper head part (1).
3. A cartilage endplate resectoscope according to claim 1, wherein: the lower head part (2) is in an elliptic shovel shape.
4. A cartilage endplate resectoscope according to claim 1, wherein: the upper head (1) is elliptical.
5. A cartilage endplate resectoscope according to claim 1, wherein: the upper head (1) and the lower head (2) are coaxial with the movable arm (3) and the fixed arm (4).
6. A cartilage endplate resectoscope according to claim 1, wherein: the horizontal included angle between the axes of the upper head (1) and the lower head (2) and the axes of the movable arm (3) and the fixed arm (4) is 30 degrees.
7. A cartilage endplate resectoscope according to claim 1, wherein: the horizontal included angle between the axes of the upper head (1) and the lower head (2) and the axes of the movable arm (3) and the fixed arm (4) is-30 degrees.
8. A cartilage endplate resectoscope according to claim 1, wherein: the micro blade (101) is in an annular sheet shape, and the cutting edge of the micro blade (101) faces downwards.
9. The method of use of a cartilage endplate resector according to any of claims 1-8, wherein: the handle (5) is held by hand, the lower head (2) is shoveled into the intervertebral space, the cartilage end plate is pried off, the handle (5) is held tightly to control the upper head (1), the micro blade (101) of the upper head (1) is meshed with the groove (201) of the lower head (2), the cartilage end plate is cut off, the cut cartilage end plate is clamped in the through hole (102) of the upper head (1), and finally the cartilage end plate is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010378827.1A CN111437002A (en) | 2020-05-07 | 2020-05-07 | Cartilage endplate excising device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010378827.1A CN111437002A (en) | 2020-05-07 | 2020-05-07 | Cartilage endplate excising device and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111437002A true CN111437002A (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010378827.1A Pending CN111437002A (en) | 2020-05-07 | 2020-05-07 | Cartilage endplate excising device and using method thereof |
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| CN (1) | CN111437002A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115919401A (en) * | 2023-03-13 | 2023-04-07 | 四川大学华西医院 | Intelligent gun-shaped rongeur |
-
2020
- 2020-05-07 CN CN202010378827.1A patent/CN111437002A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115919401A (en) * | 2023-03-13 | 2023-04-07 | 四川大学华西医院 | Intelligent gun-shaped rongeur |
| CN115919401B (en) * | 2023-03-13 | 2023-05-23 | 四川大学华西医院 | Intelligent gun-shaped rongeur |
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