WO2016076585A1

WO2016076585A1 - Surgical punch having spinal nerve protection function

Info

Publication number: WO2016076585A1
Application number: PCT/KR2015/011998
Authority: WO
Inventors: 정은미; 윤홍원
Original assignee: 주식회사 앤트테크놀로지; 정은미; 윤홍원
Priority date: 2014-11-14
Filing date: 2015-11-09
Publication date: 2016-05-19
Also published as: KR200480105Y1

Abstract

The present invention relates to a surgical punch for preventing a spinal cord pressed by the punch from sticking up and being pinched by the punch during surgery, and provides a surgical punch having a spinal nerve protection function, comprising: a fixing handle provided obliquely; a fixing plate formed to extend at a predetermined length at one end portion of the fixing handle; a hinge pivotally provided to one end portion of the fixing plate; a pivoting handle pivotally provided to the hinge and pivoted forward and rearward by pressure; a moving plate provided at a predetermined length to be slidable along the upper surface of the fixing plate, and connected to the pivoting handle so as to slide forward and rearward on the upper surface of the fixing plate according to the pivoting of the pivoting handle; a supporting part formed to be inclined upward from the other end portion of the fixing plate at a predetermined length; and a pinch preventing protrusion formed to protrude from the front lateral side of the supporting part so as to push a protuberance on the spinal cord such that the spinal cord which sticks up by being pressed by the front of the supporting part is not pinched between the supporting part and the moving plate. The present invention effectively prevents spinal nerves from being bitten off except bones or tissues while performing surgery by using the surgical punch, thereby preventing big medical malpractices and protecting patients. In addition, it is possible to solve the problem that doctors worry about biting off the spinal nerves during the surgery and hesitate to use the surgical punch. Furthermore, it is possible to shorten a long surgery time taken when the doctors quite carefully perform the surgery with concern about biting off the spinal nerves during the surgery.

Description

Surgical punches with spinal nerve protection

The present invention relates to a surgical punch having a spinal nerve protection function, and more particularly to a surgical punch having a spinal nerve protection function for cutting bone and tissue during surgery.

As shown in FIG. 1, the spine is composed of a vertebral body 1, a transverse protrusion 3, a spinous process 5, a spinal canal 7, a posterior longitudinal ligament 9, and a pedicle 11. The spinal canal 7 refers to a pipe structure extending like a tunnel to the vertebrae, which is located behind the round body of the vertebral body 1 and contains the spinal cord 13 and the nerve roots branching therefrom and these. Dural sac passes.

Surgery in many vertebrae is caused by compression of the inner or peripheral nerves of the spinal canal (7), and the narrowing of the neural tube leads to the removal of the narrowing or narrowing of the nerve by directly expanding the narrowed nerve tube and releasing the pressed nerve. Decompression.

Surgical punches (kerrison punch) 100 as shown in Figures 1 to 2c is used as a surgical instrument widely used in such decompression surgery, specifically, to remove the bone or tissue inside or around the spinal canal (7) When used.

Referring to FIG. 2A, the conventional surgical punch 100 includes a fixed handle 10, a fixed plate 20, a hinge 30, a rotating handle 40, a movable plate 50, an elastic part 60, and a support part ( 70), and the support part 70 for removing bones or tissues in contact with the movable plate 50 as shown in FIGS. 2A to 2C may be formed in various shapes such as a right angle shape, a diagonal shape, and a curved shape.

In general, when removing the bone or tissue with a surgical punch 100, the front part of the support 70 is often pressed to the spinal cord (spinal cord), the spinal cord is soft, so when pressed, the side portion naturally rises. .

As a result, as shown in FIG. 5 (a), when the support part 70 and the movable plate 50 are in contact with each other to remove bone or tissue with the conventional surgical punch 100, the raised part of the spinal cord is supported by the support part 70. Large medical accidents often occur between the moving plates 50, so as to tear off neural lines together.

Such a structural problem of the conventional surgical punch 100 is an urgent task that must be solved as soon as possible.

The present invention is to solve the problems of the prior art, to provide a surgical punch having a spinal nerve protection function to prevent biting the spinal nerves in addition to bone or tissue during surgery using a surgical punch. There is a purpose of devising.

Surgical punches having a spinal nerve protection function of the present invention for achieving the above object is a surgical punch which prevents the spinal cord pressed by the punch during surgery to prevent the bite punched, the fixed handle is installed obliquely; A fixed plate extending at a length to one end of the fixed handle; A hinge rotatably installed at one end of the fixed plate; Rotating handle is rotatably installed on the hinge, and rotates forward / backward by pressing; A movable plate installed at a predetermined length to be slidable along an upper surface of the fixed plate, the movable plate being connected to the pivot handle to slide forward / backward from an upper surface of the fixed plate according to the rotation of the pivot handle; A support formed to be inclined at a predetermined length upward from the other end of the fixed plate; And a bite prevention jaw protruding from the front side of the support to push the raised portion of the spinal cord so that the spinal cord pressed by the front of the support is not caught between the support and the movable plate.

In addition, the bite prevention jaw may be formed to protrude to a predetermined thickness along the front left, right sides of the support.

In addition, the bite prevention jaw may be formed to protrude to a predetermined thickness along the front circumference of the support.

In addition, the bite prevention jaw may be formed to protrude to a predetermined thickness along the front left, right and upper circumference of the support.

In addition, the bite prevention jaw is formed to the rear from the foremost side of the support portion by a predetermined thickness and protruding from the periphery of the support portion by a predetermined length, it may be formed to be inclined on the front side of the support in the same degree of inclination upward.

According to the surgical punch having a spinal nerve protection function according to the present invention, it is possible to prevent large medical accidents and protect patients by effectively preventing the bite of the spinal nerve in addition to bone or tissue during surgery using a surgical punch have.

In addition, doctors may be concerned about biting the spinal nerves during surgery to solve the problem of hesitation in the use of a surgical punch.

In addition, by worrying about the spinal nerve bite during surgery, the operation is considerably careful to shorten the operation time that took a long time.

1 is an exemplary view showing a state of surgery using a cross-sectional view and a surgical punch of the spine.

Figure 2a is a perspective view showing a first embodiment of a conventional surgical punch.

Figure 2b is a perspective view showing a second embodiment of a conventional surgical punch.

Figure 2c is a perspective view showing a third embodiment of a conventional surgical punch.

Figure 3a is a first perspective view of the surgical punch according to the present invention.

Figure 3b is a second perspective view of the surgical punch according to the present invention.

Figure 3c is a side view of a surgical punch according to the present invention.

Figure 4a is a first partial enlarged view of the surgical punch according to the present invention.

Figure 4b is a second partial enlarged view of the surgical punch according to the present invention.

Figure 4c is an enlarged third view of the surgical punch according to the present invention.

Figure 4d is an enlarged fourth view of the surgical punch according to the present invention.

Figure 4e is an enlarged fifth view of the surgical punch according to the present invention.

Figure 5 (a) is an illustration of a state of surgery using a conventional surgical punch.

Figure 5 (b) is an illustration of a state of surgery using a surgical punch according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment according to the present invention.

3A to 4E, the surgical punch 200 having a spinal cord nerve protection function relates to a surgical punch that prevents the spinal cord pressed by the punch during surgery to bite the punch. Surgical punch 200 according to the present invention can be used in various kinds of surgical operations, hereinafter will be described in detail taking the case of spinal surgery as an example.

Surgical punch 200 having a spinal nerve protection function is a fixed handle 202, a fixed plate 204, a hinge 206, a rotation handle 208, a moving plate 210, a support portion 212 and a bite prevention jaw ( 216, the support portion 212 is formed with a receiving hole 214 that can contain the bite bone or tissue.

The fixed handle 202 is installed at an angle and is supported without moving during spinal surgery, and the fixed plate 204 is formed to extend at a length at one end of the fixed handle 202.

The hinge 206 is rotatably installed at one end of the fixed plate 204, and the pivoting knob 208 is rotatably installed at the hinge 206, but is rotated forward and backward by pressing.

The movable plate 210 is installed at a predetermined length so as to be slid along the upper surface of the fixed plate 204, and is connected to the rotating handle 208 so as to move forward from the upper surface of the fixed plate 204 according to the rotation of the rotating handle 208. Slid backwards. Pulling the rotation knob 208 backward, the movable plate 210 slides forward, and when the force applied to the pivot knob 208 is removed, the pivot knob 208 moves forward and the movable plate 210 slides backward.

When the force applied to the rotating handle 208 is removed, the elastic part is provided to rotate the rotating handle 208 forward by the elastic force, and the moving plate 210 is slidable along the upper surface of the fixed plate 204. ) And the fixing plate 204 is provided with a straight rail.

The support 212 is formed to be inclined upwardly from the other end of the fixing plate 204 by a predetermined length. The other end of the fixing plate 204 may be formed at right angles, may be formed in a diagonal direction, it may be formed to be curved in the form of an arc.

The support part 212 is formed with a receiving hole 214. When a force is applied to the pivoting handle 208, the movable plate 210 moves forward to apply pressure to the support 212, and bites the bone or tissue bite between the front and the support 212 of the movable plate 210. . At this time, the broken bone or tissue is safely contained in the receiving hole 214 of the support 212.

The bite prevention jaw 216 is formed to protrude on the front side of the support 212 so that the spinal cord that is pushed up by the front of the support 212 during spinal surgery does not bite between the support 212 and the movable plate 210. The raised portion is pushed out of the bite prevention jaw 216.

4A to 4E, the bite preventing jaw 216 is integrally formed with the support 212, and protrudes to a predetermined length on the front outer surface of the support 212 and has a predetermined thickness.

In detail, the bite preventing jaw 216 may protrude to a predetermined thickness along the front left and right sides of the support part 212. Although not shown in the drawings, the bite stopper 216 may protrude to a predetermined thickness along the front left and right sides of the support 212.

In addition, the bite preventing jaw 216 may protrude to a predetermined thickness along the front circumference of the support 212. The front left, right, and upper sides of the support portion 212 may be formed to protrude to a predetermined thickness.

In addition, the bite prevention jaw 216 may protrude to a predetermined thickness along the front left, right and upper periphery of the support 212. As shown in the figure may be formed in a form surrounding the front left, right and top of the support 212.

When the length of the support part 212 is about 2 mm, the bite preventing jaw 216 may be formed to a thickness of about 1 mm, and may protrude about 0.5 mm to the front left and right sides of the support part 212, and upwards. It may be formed to protrude about 0.5mm.

The above numerical values are merely examples, and are not necessarily limited thereto.

The bite prevention jaw 216 is formed from the foremost side of the support part 212 to the rear by a predetermined thickness and protrudes from the circumference of the support part 212 by a predetermined length, and the support part 212 is the same as the inclination of the upward direction of the support part. It is formed to be inclined to the front side.

4C and 4E, the bite preventing jaw 216 is formed by a thickness of about 1 mm from the front side of the support 212 to the rear, and protrudes by about 0.5 mm from the circumference of the support 212. When the support part 212 is formed to be inclined upward by 45 degrees, the bite preventing jaw 216 is also preferably formed to be inclined at the same angle corresponding thereto. The above numerical values are examples only and are not necessarily limited thereto.

Referring to Figure 5 (b), using the surgical punch 200 having a spinal cord nerve protection function according to the present invention during the spinal surgery the support portion 212 and the bite prevention jaw 216 is a spinal cord Even though the spinal cord is swelled, the raised part of the spinal cord can be prevented from being pushed outwards due to the bite preventing jaw 216 so as to be interrupted between the support part 212 and the movable plate 210. By doing so, the moving plate 210 can be moved in the direction of the support 212 to prevent a medical accident that bites the spinal cord when bite or remove the bone or tissue.

According to the present invention, it is possible to prevent large medical accidents and protect patients by effectively preventing biting of spinal nerves in addition to bones or tissues during surgery using a surgical punch.

The present invention is not limited to the specific preferred embodiments described above, and any person having ordinary skill in the art to which the present invention pertains may make various modifications without departing from the gist of the present invention claimed in the claims. Of course, it is obvious that such changes will fall within the scope of the claims.

Claims

A surgical punch that prevents the spinal cord squeezed out of the punch during surgery and bites the punch.

Fixed handle installed at an angle;

A fixed plate extending at a length to one end of the fixed handle;

A hinge rotatably installed at one end of the fixed plate;

Rotating handle is rotatably installed on the hinge, and rotates forward / backward by pressing;

A movable plate installed at a predetermined length to be slidable along an upper surface of the fixed plate, the movable plate being connected to the pivot handle to slide forward / backward from an upper surface of the fixed plate according to the rotation of the pivot handle;

A support formed to be inclined at a predetermined length upward from the other end of the fixed plate; And

The spinal cord is formed protruding on the front side of the support portion has a spinal cord nerve protection function comprising a bite prevention jaw pushing the raised portion of the spinal cord so as not to be pinched by the front of the support portion between the support and the moving plate Surgical Punch.
The method of claim 1,

The bite jaw is

Surgical punches with a spinal nerve protection function, characterized in that protruding to a predetermined thickness along the front left, right sides of the support.
The method of claim 1,

The bite jaw is

Surgical punches with a spinal nerve protection function, characterized in that protruding to a predetermined thickness along the front circumference of the support.
The method of claim 1,

The bite jaw is

Surgical punch having a spinal nerve protection function, characterized in that protruding to a predetermined thickness along the front left, right and upper circumference of the support.
The method according to any one of claims 2 to 4,

The bite jaw is

The spinal cord neuroprotective function is formed from the foremost side of the support part by a predetermined thickness and protrudes from the circumference of the support part by a predetermined length, and is inclined to the front side of the support part with the same degree of inclination toward the upper part. Having a surgical punch.