CN114795447A - Sighting device for placing pedicle screws - Google Patents
Sighting device for placing pedicle screws Download PDFInfo
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- CN114795447A CN114795447A CN202210458709.0A CN202210458709A CN114795447A CN 114795447 A CN114795447 A CN 114795447A CN 202210458709 A CN202210458709 A CN 202210458709A CN 114795447 A CN114795447 A CN 114795447A
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- sighting device
- sight
- device body
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- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 208000027418 Wounds and injury Diseases 0.000 description 16
- 238000002513 implantation Methods 0.000 description 9
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 208000028389 Nerve injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008764 nerve damage Effects 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers, e.g. stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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 or setting implements
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Neurology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a vertebral pedicle screw embedding sighting device which comprises a sighting device body, a disassembling mechanism, an inflating mechanism, a limiting mechanism and an adjusting mechanism, wherein the disassembling mechanism is arranged on the outer side of the lower end of the sighting device body, the inflating mechanism is arranged at the upper end of the sighting device body, the limiting mechanism is attached to the upper portion of the outer portion of the sighting device body, and the adjusting mechanism is arranged on the side of the limiting mechanism. This sight is put into to pedicle of vertebral arch screw, because be fixed connection between spacing and the extension rod, parallel between extension rod and the horizontal bubble subassembly, and be threaded connection between movable rod and the extension rod, consequently medical personnel manually adjust the position of movable rod and branch and erect it in operating personnel health both sides, and judge through the horizontal bubble subassembly whether the sight body is perpendicular, be convenient for with the sight body carry out the vertical spacing of sight body when standing up, make the sight body perpendicular to the vertebral plate of this section gorge, be convenient for follow-up perpendicular accurate operation of surgical instruments, improve operation efficiency.
Description
Technical Field
The invention relates to the technical field of medical treatment, in particular to a vertebral pedicle screw embedding sighting device.
Background
The pedicle screw rod system is a commonly used internal fixator for treating spinal trauma and spinal correction, so far, orthopedic navigation equipment cannot be popularized due to high price, most of pedicle screws in hospital operations are implanted or the implantation point and angle of the pedicle screws are determined visually by the experience of an operator, and the key step of the internal fixation is correct implantation of the pedicle screws, the operation treatment effect is affected due to internal fixation loosening or correction angle loss caused by poor nail positions, even the incorrect implantation screws cause nerve injury or medical dispute, and therefore, a pedicle screw implantation sighting device is provided.
Disclosure of Invention
The invention aims to provide a pedicle screw embedding sighting device, which solves the problems that the orthopedic navigation equipment provided in the background technology is expensive and cannot be popularized, the implantation of pedicle screws in most hospital operations is carried out by visual inspection of the experience of an operator to determine the screw feeding point and angle of the pedicle screws, the key step of the internal fixation is correct implantation of the pedicle screws, the operation treatment effect is affected by internal fixation loosening or angle correction loss caused by poor nail positions, and even the nerve injury or medical dispute is caused by incorrect implantation.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sight is put into to pedicle of vertebral arch screw, includes the sight body, disassembles the mechanism, aerifys mechanism, stop gear and adjustment mechanism, the lower extreme outside of the sight body is provided with disassembles the mechanism, and the upper end of the sight body is provided with aerifys the mechanism, the laminating of the outside top of the sight body has stop gear, and stop gear's side is provided with adjustment mechanism, stop gear includes spacing, extension rod, horizontal bubble subassembly, pull rod, stopper, spacing groove, spring and fixed plate, and the left end of spacing is fixed with the extension rod, the surface of extension rod is provided with horizontal bubble subassembly, the outside of spacing is provided with the pull rod, and the left end of pull rod is connected with the stopper, the laminating in the outside of stopper has the spacing groove, and the right-hand member of stopper is connected with the spring, the right-hand member of spring is connected with the fixed plate.
Furthermore, be fixed connection between spacing and the extension rod, and parallel between extension rod and the horizontal bubble subassembly.
Furthermore, the pull rod is fixedly connected with the limiting block, and the limiting block and the sighting device body form a clamping structure through a limiting groove.
Furthermore, the limiting block and the fixing plate form an elastic structure through a spring, and the pull rod penetrates through the inside of the fixing plate.
Further, disassemble the mechanism and include screw thread layer and cavity barrel, and the outside laminating on screw thread layer has the cavity barrel.
Further, the inflation mechanism comprises an air inlet, a communicating pipe, an air outlet, an air bag and an inner rod, the lower end of the air inlet is connected with the communicating pipe, the bottom end of the communicating pipe is provided with the air outlet, the air bag is arranged below the air outlet, and the inner rod is attached to the inner side of the air bag.
Furthermore, the communicating pipe is communicated with the air bag, and the air bag fixing ring is wound on the inner rod for a circle.
Furthermore, the adjusting mechanism comprises a movable rod, an outer ring frame, a fixed screw, a support rod, a containing groove and a sliding block, the outer ring frame is arranged on the outer side of the edge end of the movable rod, the fixed screw is fixed at the lower end of the outer ring frame, the support rod is arranged on the outer side of the lower end of the fixed screw, the containing groove is formed in the outer ring frame, and the sliding block is clamped in the containing groove.
Furthermore, the movable rod is fixedly connected with the sliding block, and the sliding block is structurally matched with the content groove.
Compared with the prior art, the invention has the beneficial effects that: this sight is put into to pedicle of vertebral arch screw possesses following beneficial effect: because the limiting frame is fixedly connected with the extension rod, the extension rod is parallel to the horizontal bubble component, and the movable rod is in threaded connection with the extension rod, medical personnel manually adjust the positions of the movable rod and the support rod to erect the movable rod and the support rod on two sides of the body of an operator, judge whether the sighting device body is vertical through the horizontal bubble component, conveniently and vertically limit the sighting device body when the sighting device body is erected, enable the sighting device body to be vertical to the vertebral plate of the section of isthmus, facilitate the vertical accurate operation of a follow-up surgical instrument, and improve the surgical efficiency.
1. The medical staff firstly drives the sighting device into the cortex of the operation position needed by the operating staff in the vertical direction, then slides in the limiting frame from the upper end of the sighting device, and the limiting block and the fixing plate form an elastic structure through the spring, so when the limiting block reaches the limiting groove, the limiting block is effectively clamped in the limiting groove through the elasticity of the spring, the limiting frame is fixed, the extending rod is parallel to the horizontal bulb component due to the fixed connection between the limiting frame and the extending rod, and the movable rod is in threaded connection with the extending rod, so the medical staff manually adjusts the positions of the movable rod and the support rod to arrange the movable rod and the support rod on two sides of the body of the operating staff, judges whether the sighting device is vertical through the horizontal bulb component, conveniently vertically limits the sighting device when the sighting device is erected, enables the sighting device to be vertical to the vertebral plate of the section part, and is convenient for the vertical and accurate operation of subsequent operating instruments, the efficiency of the operation is improved, after the operation, the pulling pull rod drives the stopper and removes and make stopper and spacing groove separation, is convenient for shift up the dismantlement with the spacing frame to with the sight body by internal extraction, sew up the wound.
2. According to the invention, the width between the fixed screws can be conveniently adjusted through the threaded connection between the movable rod and the extension rod, the movable rod and the sliding block are fixedly connected, and the sliding block is structurally matched with the inner content groove, so that the states of the outer ring frame and the fixed screws are not influenced when the movable rod is rotationally adjusted, the height of the device can be conveniently adjusted through the threaded connection between the fixed screws and the support rods, and the adaptability of the device is improved.
3. According to the invention, the air bag is protected by the hollow cylinder body on the outer side, so that the difficulty in driving the sighting device body is increased due to friction between the air bag and the skin at the beginning, after the sighting device body is driven, the hollow cylinder body is rotated to ascend, so that the air bag enters the wound, medical personnel fill certain gas into the air bag through the air inlet, the communication pipe and the air outlet, so that the air bag is expanded to seal the wound, the sighting device body toppling caused by overlarge wound is avoided while bleeding of the wound is reduced, after the operation is completed, the gas is discharged, the air bag is restored to the initial state, and the sighting device body is convenient to pull out.
Drawings
FIG. 1 is a perspective view of a pedicle screw insertion sight according to the present invention;
FIG. 2 is a schematic view of the internal side view of the outer ring frame of the pedicle screw implantation collimator according to the present invention;
FIG. 3 is a schematic view of the side view of the inside of the limiting frame of the pedicle screw imbedding sight according to the present invention;
FIG. 4 is a schematic view of an inflation mechanism of the pedicle screw insertion aiming device according to the invention;
fig. 5 is a structural diagram of the balloon inflation state of the pedicle screw implantation sighting device of the invention.
In the figure: 1. a sighting device body; 2. a disassembling mechanism; 201. a threaded layer; 202. a hollow cylinder; 3. an inflation mechanism; 301. an air inlet; 302. a communicating pipe; 303. an air outlet; 304. an air bag; 305. an inner rod; 4. a limiting mechanism; 401. a limiting frame; 402. an extension rod; 403. a horizontal bubble assembly; 404. a pull rod; 405. a limiting block; 406. a limiting groove; 407. a spring; 408. a fixing plate; 5. an adjustment mechanism; 501. a movable rod; 502. an outer ring frame; 503. fixing the screw rod; 504. a strut; 505. a content slot; 506. a slide block.
Detailed Description
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, the present invention provides a technical solution: a pedicle screw insertion aimer, comprising: the sighting device body 1, the outer side of the lower end of the sighting device body 1 is provided with a disassembling mechanism 2, the upper end of the sighting device body 1 is provided with an inflating mechanism 3, the upper part of the outer part of the sighting device body 1 is jointed with a limiting mechanism 4, the side of the limiting mechanism 4 is provided with an adjusting mechanism 5, the limiting mechanism 4 comprises a limiting frame 401, an extension rod 402, a horizontal bubble component 403, a pull rod 404, a limiting block 405, a limiting groove 406, a spring 407 and a fixing plate 408, the left end of the limiting frame 401 is fixedly provided with the extension rod 402, the outer side of the limiting frame 401 is provided with the pull rod 404, the left end of the pull rod 404 is connected with the limiting block 405, the outer side of the limiting block 405 is jointed with the limiting groove 406, the right end of the limiting block 405 is connected with the spring 407, the right end of the spring 407 is connected with the fixing plate 408, the limiting frame 401 and the extension rod 402 are fixedly connected, and the extension rod 402 is parallel to the horizontal bubble component 403, the pull rod 404 is fixedly connected with the limiting block 405, the limiting block 405 forms a clamping structure with the sighting device body 1 through the limiting groove 406, the limiting block 405 forms an elastic structure with the fixing plate 408 through the spring 407, the pull rod 404 penetrates through the fixing plate 408, medical staff firstly drive the sighting device body 1 into a cortex of a place, required by the surgical staff, of the sighting device body 1 and then slide the limiting frame 401 in from the upper end of the sighting device body 1, as the limiting block 405 forms an elastic structure with the fixing plate 408 through the spring 407, when the limiting block 406 reaches the limiting groove 406, the limiting block 405 is effectively clamped in the limiting groove 406 by the elastic force of the spring 407, at the moment, the limiting frame 401 is fixed, as the limiting frame 401 is fixedly connected with the extension rod 402, the extension rod 402 is parallel to the horizontal bubble component 403, and the movable rod 501 is in threaded connection with the extension rod 402, therefore, the medical staff manually adjusts the positions of the movable rod 501 and the support rod 504 to arrange the sighting device body on two sides of the surgical staff, and judge whether the sighting device 1 is vertical through the horizontal bubble component 403, so as to vertically limit the sighting device 1 while standing the sighting device 1, so that the sighting device 1 is vertical to the vertebral plate of the segment of isthmus, so as to facilitate the vertical and accurate operation of subsequent surgical instruments, improve the surgical efficiency, after the surgery is finished, the pull rod 404 is pulled to drive the limit block 405 to move so that the limit block 405 is separated from the limit groove 406, so as to conveniently move the limit frame 401 up and down, pull the sighting device 1 out of the body and suture the wound, the adjusting mechanism 5 comprises a movable rod 501, an outer ring frame 502, a fixed screw 503, a strut 504, an inner content groove 505 and a slide block 506, the outer side of the edge end of the movable rod 501 is provided with the outer ring frame 502, the lower end of the outer ring frame 502 is fixed with the fixed screw 503, the outer side of the lower end of the fixed screw 503 is provided with the strut 504, the inner content groove 505 is arranged inside the outer ring frame 502, and the slider 506 is clamped in the inner part of the content groove 505, the movable rod 501 is fixedly connected with the slider 506, the slider 506 is matched with the content groove 505 in structure, the movable rod 501 is fixedly connected with the extension rod 402 so as to adjust the width between the fixed screws 503, and the movable rod 501 is fixedly connected with the slider 506 and is matched with the content groove 505 in structure, so that the states of the outer ring frame 502 and the fixed screws 503 are not influenced when the movable rod 501 rotates and is adjusted, the height of the device is conveniently adjusted by the threaded connection between the fixed screws 503 and the supporting rods 504, and the adaptability of the device is improved.
As shown in fig. 4-5, the present invention provides a technical solution: a vertebral pedicle screw imbedding sighting device, a disassembling mechanism 2 comprises a thread layer 201 and a hollow cylinder 202, the exterior of the thread layer 201 is jointed with the hollow cylinder 202, the hollow cylinder 202 protects an air bag 304 at the outside to avoid increasing the difficulty of driving a sighting device 1 due to friction between the air bag 304 and the skin at the beginning, after the sighting device 1 is driven, the hollow cylinder 202 is rotated to rise, so that the air bag 304 enters the inside of a wound, an inflating mechanism 3 comprises an air inlet 301, a communicating pipe 302, an air outlet 303, the air bag 304 and an inner rod 305, the lower end of the air inlet 301 is connected with the communicating pipe 302, the bottom end of the communicating pipe 302 is provided with the air outlet 303, the air bag 304 is arranged below the air outlet 303, the inner rod 305 is jointed at the inner side of the air bag 304, the communicating pipe 302 is communicated with the air bag 304, the air bag 304 is fixedly wound around the inner rod 305, and medical personnel fill certain gas into the air bag 304 through the air inlet 301, the communicating pipe 302 and the air outlet 303, the air bag 304 is expanded to seal the wound, so that bleeding of the wound is reduced, and the sighting device body 1 is prevented from toppling over due to overlarge wound, after the operation is completed, the air is released, the air bag 304 is restored to the initial state, and the sighting device body 1 can be pulled out conveniently.
In summary, when the pedicle screw is implanted into the aiming device, when in use, the hollow cylinder 202 protects the air bag 304 at the outer side to avoid increasing the difficulty of driving the aiming device 1 by friction between the air bag 304 and skin, after the aiming device 1 is driven into the skin layer of the operation place required by the operator in the vertical direction, the hollow cylinder 202 is rotated to be lifted, so that the air bag 304 enters the inside of the wound, the medical operator fills certain gas into the air bag 304 through the air inlet 301, the communication pipe 302 and the air outlet 303 to expand the air bag 304 to seal the wound, so as to reduce bleeding of the wound and avoid the aiming device 1 from toppling over due to overlarge wound, and then the limiting frame 401 slides in from the upper end of the aiming device 1, because the limiting block 405 forms an elastic structure with the fixing plate 408 through the spring 407, when reaching the limiting groove 406, the limiting block 405 is effectively clamped in the limiting groove 406 by the elastic force of the spring 407, at this time, the limiting frame 401 is fixed, because the limiting frame 401 is fixedly connected with the extension rod 402, the extension rod 402 is parallel to the horizontal bubble component 403, and the movable rod 501 is in threaded connection with the extension rod 402, medical staff manually adjusts the positions of the movable rod 501 and the support rod 504 to erect the movable rod 501 and the support rod on both sides of the body of the surgical staff, and judges whether the aimer 1 is vertical through the horizontal bubble component 403, so as to vertically limit the aimer 1 while erecting the aimer 1, so that the aimer 1 is perpendicular to the vertebral plate of the isthmus of the segment, thereby facilitating the subsequent vertical and accurate operation of surgical instruments, improving the surgical efficiency, the threaded connection between the movable rod 501 and the extension rod 402 facilitates the adjustment of the width between the fixing screws 503, because the movable rod 501 is fixedly connected with the sliding block 506, and the sliding block 506 is structurally matched with the content groove 505, the state of the outer ring frame 502 and the fixing screws 503 is not affected when the movable rod 501 is rotatably adjusted, the threaded connection between the fixing screw 503 and the supporting rod 504 is convenient for adjusting the height of the device, the adaptability of the device is improved, after the operation is completed, the pull rod 404 is pulled to drive the limiting block 405 to move, so that the limiting block 405 is separated from the limiting groove 406, the limiting block 401 is convenient to move upwards and detach, meanwhile, gas is released, the air bag 304 returns to the initial state, the sighting device body 1 is pulled out from the body, and the wound is sutured.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (9)
1. The utility model provides a sight is put into to pedicle of vertebral arch screw, includes the sight body (1), disassembles mechanism (2), aerifys mechanism (3), stop gear (4) and adjustment mechanism (5), its characterized in that: the lower end of the sighting device body (1) is provided with a disassembling mechanism (2) on the outer side, an inflating mechanism (3) is arranged at the upper end of the sighting device body (1), a limiting mechanism (4) is attached to the upper portion of the outer portion of the sighting device body (1), an adjusting mechanism (5) is arranged on the side of the limiting mechanism (4), the limiting mechanism (4) comprises a limiting frame (401), an extension rod (402), a horizontal bubble assembly (403), a pull rod (404), a limiting block (405), a limiting groove (406), a spring (407) and a fixing plate (408), the left end of the limiting frame (401) is fixedly provided with the extension rod (402), the horizontal bubble assembly (403) is arranged on the surface of the extension rod (402), the pull rod (404) is arranged on the outer side of the limiting frame (401), the limiting block (405) is connected with the limiting block (405), the limiting groove (406) is attached to the outer side of the limiting block (405), and the right end of the limiting block (405) is connected with a spring (407), and the right end of the spring (407) is connected with a fixing plate (408).
2. A pedicle screw insertion sight as claimed in claim 1, wherein: the limiting frame (401) is fixedly connected with the extension rod (402), and the extension rod (402) is parallel to the horizontal bubble component (403).
3. A pedicle screw insertion sight as claimed in claim 1, wherein: the pull rod (404) is fixedly connected with the limiting block (405), and the limiting block (405) forms a clamping structure with the sighting device body (1) through a limiting groove (406).
4. A pedicle screw insertion sight as claimed in claim 1, wherein: the limiting block (405) and the fixing plate (408) form an elastic structure through a spring (407), and the pull rod (404) penetrates through the fixing plate (408).
5. A pedicle screw insertion sight as claimed in claim 1, wherein: the disassembling mechanism (2) comprises a thread layer (201) and a hollow cylinder (202), and the hollow cylinder (202) is attached to the outer portion of the thread layer (201).
6. A pedicle screw insertion sight as claimed in claim 1, wherein: the inflation mechanism (3) comprises an air inlet (301), a communicating pipe (302), an air outlet (303), an air bag (304) and an inner rod (305), wherein the lower end of the air inlet (301) is connected with the communicating pipe (302), the air outlet (303) is arranged at the bottom end of the communicating pipe (302), the air bag (304) is arranged below the air outlet (303), and the inner rod (305) is attached to the inner side of the air bag (304).
7. A pedicle screw insertion sight as claimed in claim 6, wherein: the communicating pipe (302) is communicated with the air bag (304), and the air bag (304) fixedly surrounds the inner rod (305) for a circle.
8. The pedicle screw placement aimer of claim 1, wherein: the adjusting mechanism (5) comprises a movable rod (501), an outer ring frame (502), a fixed screw (503), a support rod (504), a content groove (505) and a sliding block (506), wherein the outer ring frame (502) is arranged on the outer side of the edge end of the movable rod (501), the fixed screw (503) is fixed to the lower end of the outer ring frame (502), the support rod (504) is arranged on the outer side of the lower end of the fixed screw (503), the content groove (505) is arranged inside the outer ring frame (502), and the sliding block (506) is clamped inside the content groove (505).
9. A pedicle screw insertion sight as claimed in claim 8, wherein: the movable rod (501) is fixedly connected with the sliding block (506), and the sliding block (506) is matched with the content groove (505) in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210458709.0A CN114795447A (en) | 2022-04-24 | 2022-04-24 | Sighting device for placing pedicle screws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210458709.0A CN114795447A (en) | 2022-04-24 | 2022-04-24 | Sighting device for placing pedicle screws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114795447A true CN114795447A (en) | 2022-07-29 |
Family
ID=82509370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210458709.0A Pending CN114795447A (en) | 2022-04-24 | 2022-04-24 | Sighting device for placing pedicle screws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114795447A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314795A (en) * | 1998-06-05 | 2001-09-26 | 洛马林达大学医学中心 | Tissue opening locator and everter and method |
| CN2582553Y (en) * | 2002-11-01 | 2003-10-29 | 中山大学附属第二医院 | Sighting device for bone surgical operation |
| CN2877601Y (en) * | 2006-03-17 | 2007-03-14 | 兖矿集团有限公司 | Vertebral pedicle guidance unit |
| US20090163935A1 (en) * | 2007-12-21 | 2009-06-25 | Smith & Nephew, Inc. | Surgical Aimer |
| CN105997227A (en) * | 2015-04-14 | 2016-10-12 | 冀旭斌 | Aiming device of odontoid process of axis |
| CN209332184U (en) * | 2018-12-18 | 2019-09-03 | 文华军 | A kind of orthopaedics drilling sighting device |
-
2022
- 2022-04-24 CN CN202210458709.0A patent/CN114795447A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314795A (en) * | 1998-06-05 | 2001-09-26 | 洛马林达大学医学中心 | Tissue opening locator and everter and method |
| CN2582553Y (en) * | 2002-11-01 | 2003-10-29 | 中山大学附属第二医院 | Sighting device for bone surgical operation |
| CN2877601Y (en) * | 2006-03-17 | 2007-03-14 | 兖矿集团有限公司 | Vertebral pedicle guidance unit |
| US20090163935A1 (en) * | 2007-12-21 | 2009-06-25 | Smith & Nephew, Inc. | Surgical Aimer |
| CN105997227A (en) * | 2015-04-14 | 2016-10-12 | 冀旭斌 | Aiming device of odontoid process of axis |
| CN209332184U (en) * | 2018-12-18 | 2019-09-03 | 文华军 | A kind of orthopaedics drilling sighting device |
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