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Vertebral plate-rotating opener for cervical vertebra single-door opening operation

A single-door, surgical technology, applied in the field of medical equipment, can solve the problems of paralysis of patients, lamina rebound, etc., and achieve the effect of improving safety, preventing slipping and rebound, and simple structure

Active Publication Date: 2017-06-20
WEST CHINA HOSPITAL SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some doctors also use sharp-nose rongeurs and other tools to lift the lamina. During this process, the rongeur may not be fixed stably, which may cause the lifted lamina to rebound, hitting the spinal cord may cause paralysis of the patient.

Method used

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  • Vertebral plate-rotating opener for cervical vertebra single-door opening operation
  • Vertebral plate-rotating opener for cervical vertebra single-door opening operation
  • Vertebral plate-rotating opener for cervical vertebra single-door opening operation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: as figure 1 with Figure 5-6 As shown, a cervical spine single-opening operation laminar rotation lifter includes two pliers handles 1 connected by pin shafts 2, the pliers handle 1 includes a gripping part 3 and a clamping part 4, and the one pliers handle The clamping part 4 of 1 is provided with two spikes 5, and the two spikes 5 are arranged at intervals, and a gap 6 is formed between the two spikes 5, and the clamping part 4 of the other pincer handle 1 is provided with a horizontal plate 7, and the horizontal plate 7 Both the plate 7 and the two spikes 5 are bent toward the opposite surfaces inside the two pliers handles 1 . Anti-slip teeth are arranged on the horizontal plate 7 . The anti-skid teeth are evenly distributed on the horizontal plate 7 in a grid shape. The angle formed between the end of the spike 5 and the clamping portion 4 is an obtuse angle. The two spikes 5 are arranged at the end of the clamping part 4 in parallel and spaced ap...

Embodiment 2

[0029] Embodiment 2: as figure 2 As shown, the end of the spinous process that is too long is excised, grooves are made on the inner edge of the articular process of the lamina on both sides, and one side is selected as the hinge side, and the outer cortical bone and part of the cancellous bone of the lamina are ground or bitten off to make V Longitudinal laminectomy, the bottom of which reaches the inner cortex of the lamina but not cut off, the other side is the door opening side, and longitudinal laminectomy is performed, both sides should be operated on the inner lamina of the articular process.

[0030] During the operation, cut off the side of the lamina of the decompression segment, extend the handle 1 with spikes into the cutting place, make the spikes 5 correspond to the gap, and connect the handle 1 with the horizontal plate 7 to the lamina on the side of the hinge. Fitting, slowly compress the two pliers handles 1, so that the clamping part 4 of the pliers handle 1...

Embodiment 3

[0035] Embodiment 3: as image 3As shown, a cervical spine single-opening operation laminar rotation lifter includes two pliers handles 1 connected by pin shafts 2, the pliers handle 1 includes a gripping part 3 and a clamping part 4, and the one pliers handle The clamping part 4 of 1 is provided with two spikes 5, and the two spikes 5 are arranged at intervals, and a gap 6 is formed between the two spikes 5, and the clamping part 4 of the other pincer handle 1 is provided with a horizontal plate 7, and the horizontal plate 7 Both the plate 7 and the two spikes 5 are bent toward the opposite surfaces inside the two pliers handles 1 . The holding part 3 of the one pliers handle 1 is provided with a through groove 8 and a ratchet brake handle 9 is installed, and the ratchet brake handle 9 is located on the lower side of the through groove 8; 3. An arc-shaped ratchet bar 10 passing through the through slot 8 is installed, and the arc-shaped ratchet bar 10 is adapted to the ratch...

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Abstract

The invention discloses a vertebral plate-rotating opener for a cervical vertebra single-door opening operation. The vertebral plate-rotating opener comprises two tong handles connected through a pin shaft, wherein each of the tong handles comprises a holding part and a clamping part; two spines are arranged on the holding part of one tong handle; the spines are distributed at intervals; a horizontal plate is arranged on the clamping part of the other tong handle; and the horizontal plate and the two spines are all bent toward the opposite walls on the inner side of the two tong handles. The vertebral plate-rotating opener can be used for stably clamping a vertebral plate and can prevent the vertebral plate from sliding and rebounding in an opening process of the vertebral plate, so that medical accidents can be effectively avoided; the holding part is rotated for rotating and opening the vertebral plate by taking a bone slot on a hinge side as an axis; the operation force is controllable; the probability of complete fracture of the hinge-side vertebral plate can be obviously reduced and the injure and even fracture of door opening-side zygopophysis can be avoided; in an operation process, the instrument is prevented from entering into canalis vertebralis, the spinal cord injury can be avoided and the operation is safe and reliable; and a surgeon can visually operate and open the vertebral plate by a single hand and can simultaneously perform the operations of hemostasis, canalis vertebralis adhesion separation, and the like.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a lamina rotating lifter used in posterior cervical single-door laminoplasty. Background technique [0002] Cervical open-door laminoplasty is a common method for surgical treatment of cervical stenosis, multi-segment cervical disc herniation, and ossification of the posterior longitudinal ligament. Its long-term clinical effect is excellent. The widely recognized mechanism of this operation is to use the "bowstring principle" formed by the physiological lordosis of the cervical spine and the spinal cord to move the spinal cord dorsally, avoiding the compression in front of the spinal cord and achieving the purpose of indirect decompression. Direct decompression at the rear is achieved. The surgical steps of cervical open-door laminoplasty are as follows: the patient is placed in a prone position after general anesthesia, the cervical spine is slightly flexed, and the head is ...

Claims

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Application Information

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IPC IPC(8): A61B17/02
CPCA61B17/02A61B17/025A61B2017/0256
Inventor 丁琛刘浩刘艮英
Owner WEST CHINA HOSPITAL SICHUAN UNIV
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