WO2013122411A1

WO2013122411A1 - Mechanical device for surgery operation

Info

Publication number: WO2013122411A1
Application number: PCT/KR2013/001184
Authority: WO
Inventors: 김병국; 배석일; 김상운; 이상헌
Original assignee: (주)인투케어
Priority date: 2012-02-15
Filing date: 2013-02-15
Publication date: 2013-08-22
Also published as: KR101151659B1

Abstract

The present invention relates to a mechanical device for a surgery operation, and more specifically, to a mechanical device for a surgery operation for locally or selectively removing a specific area inside the body by means of rotation of a blade by using a motor.

Description

Mechanical Surgical Instruments

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an instrument for mechanical surgery, and more particularly, to an instrument for mechanical surgery capable of locally or selectively removing a specific part of a body by rotation of a blade using a motor.

In general, spinal diseases are the most common diseases, because a person's waist is damaged little by little, bad posture, extreme shock, excessive exercise, etc. in everyday life.

In addition to spinal disc herniation, commonly known as the herniated disc, spinal canal stenosis is a cause of spinal stenosis.

The spine is made up of 24 vertebrae and bones, which act as a buffer between the bones, and inside the spine there is a triangular space called the spinal canal, where nerve bundles pass.

Spinal canal stenosis is a disease caused by thickened ligaments or vertebral bones that press on a bundle of nerves. This compression can cause symptoms of numbness in the hips or legs.

The main cause of spinal stenosis is the yellow ligament osteoporosis, in which the ligaments thicken and calcify the spinal nerves and cause neurological abnormalities.

1 is a view showing the position of the yellow ligament, Figure 2 is a cross-sectional photograph of the protruding yellow ligament, Figure 3 is a longitudinal cross-sectional photograph of the yellow ligament protruding. In FIG. 2 and FIG. 3, the portions marked in red represent portions in which yellow ligaments protrude.

As described above, the surgical procedure for relieving nerve compression by relieving thickened yellow ligaments can eliminate back pain caused by spinal canal stenosis.

Meanwhile, in removing the yellow ligament, the adjacent spinal canal is the place where the nerve fibers are located, and it is very important not to damage the nerve tissue during the procedure because serious pain and disorder can be caused if the nerve tissue is accidentally removed. It is not easy to know whether there is a risk of damage, such as cutting off the adjacent nerve tissue when the power supply of the electrosurgical operation device.

The present invention has been invented to solve the above problems, and an object of the present invention is to provide a mechanical surgical instrument that can locally or selectively remove specific parts of the body by the rotation of the blade using a motor. .

Mechanical surgical procedure apparatus according to the present invention

The case can be gripped and manipulated by the operator

The motor is located inside the case to generate a rotational force

A handle portion comprising; And

A fixed cap coupled to one end of the handle part and having a rotating shaft penetrating the center thereof;

A rotating cap connected to one end of the fixed cap and rotating around the rotating shaft while sliding in the longitudinal direction of the rotating shaft penetrating the center;

A rotating shaft connected to the motor and rotating through the fixed cap and the rotating cap;

At least two blades each having a phase difference of 180 degrees at the distal end of the rotating shaft and coupled to the rotating shaft;

At least two blade connecting lines connecting the other ends of the at least two blades and the rotating cap, respectively; and

It characterized in that it comprises an insertion portion containing the rotary shaft and a rotating tube to accommodate the rotating shaft and at least two or more blade connecting line therein.

The device for mechanical surgery according to the present invention is very easy to invade the human body because the blade is spread in a straight line when invading the human body, and when the blade is rotated while the blade is deformed into a bow shape, the desired portion is local or Can be selectively removed.

1 is a view showing the position of the yellow ligament,

Figure 2 is a cross-sectional photo of yellow ligaments protruding,

Figure 3 is a longitudinal cross-sectional photograph of yellow ligaments protruding,

Figure 4 is a front view when not in use of the instrument for mechanical surgery procedure according to the present invention,

5 is a cross-sectional view of FIG.

6 is a front view at the time of the operation of the instrument for mechanical surgery procedure according to the present invention,

7 is a cross-sectional view of FIG.

8 is a left side view of the coupling groove,

9 is a sectional view taken along the line XX 'in FIG. 4;

10 is an enlarged cross-sectional view of a portion A in FIG. 6.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms.

In this specification, the embodiments are provided so that the disclosure of the present invention may be completed and the scope of the present invention may be completely provided to those skilled in the art. And the present invention is only defined by the scope of the claims. Thus, in some embodiments, well known components, well known operations and well known techniques are not described in detail in order to avoid obscuring the present invention.

Also, like reference numerals refer to like elements throughout. In addition, the terms used (discussed) herein are for the purpose of describing the embodiments are not intended to limit the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. In addition, components and operations referred to as 'includes (or includes)' do not exclude the presence or addition of one or more other components and operations.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art. In addition, the terms defined in the commonly used dictionary are not ideally or excessively interpreted unless they are defined.

Hereinafter, technical features of the present invention will be described in detail with reference to the accompanying drawings.

The mechanical surgical instrument according to the present invention utilizes two protruding blades of the front that rotate by the rotational force of the motor to locally or selectively remove specific parts of the body. More specifically, in order to remove the solid ligaments, the blades invade the body in a straight line (folded) state for the convenience of invasion, and during the procedure, two blades are bow-shaped and rotated. Local or selective removal of certain parts of the body. On the other hand, the suction machine is widely used in the operating room to suck the removed tissue.

Figure 4 is a front view of the mechanical surgical procedure apparatus according to the present invention when not in use, Figure 5 is a cross-sectional view of Figure 4, Figure 6 is a front view of the operation of the mechanical surgical procedure apparatus according to the present invention, Figure 7 6 is a cross-sectional view.

As shown in FIGS. 4 to 7, the apparatus for mechanical surgery according to the present invention includes a handle part 100 and an insertion part 200.

The handle part 100 is a part that the operator holds and manipulates by hand, and the insertion part 200 is a part which is actually inserted into the human body.

The handle part 100 includes a case 110 and a motor 120. Since the case 110 of the handle part 100 is a part that the operator grips and manipulates by hand, it must be manufactured in a form that is easy to grip and easy to manipulate by hand.

In Figures 4 to 7 are simply shown in the form of a straight line, it can be produced in various forms, including pistol form.

The motor 120 for rotating the rotation shaft 230 of the insertion unit 200 is inserted into the case 110. The motor 120 here preferably uses a piezoelectric method, an ultrasonic wave, or an electric type.

In the motor 120, a shaft 121 of the motor 120 for transmitting the rotational force of the motor 120 to the rotation shaft 230 of the insertion part 200 is extended. The end of the shaft 121 should be manufactured in a structure that can be separated and combined with the rotating shaft 230. 4 to 7, the rotary shaft coupling groove 122 is formed at the end of the shaft 121, and the rotary shaft 230 is inserted into the rotary shaft coupling groove 122 to couple the rotary shaft 230 and the shaft 121. Done. Here, the rotation shaft coupling groove 122 of the shaft 121 has a half moon shape, or a square, triangular, pentagonal, or the like is fixed in order to prevent the rotation shaft 230 from turning when the shaft 121 rotates. It is preferable to manufacture in the form which prevents. 8 is a left side view of the rotation shaft coupling groove.

Meanwhile, the handle part 100 may be additionally installed with a suction connection tube 130. The suction connection tube 130 includes a nozzle 131 and a connection tube 132 protruding to the outside of the case 110. The suction device is installed to the nozzle 131 is connected to the outside, the connection pipe 132 serves to connect the nozzle 131 and the fixed cap body 211. The by-products generated during the procedure can be removed to the outside through the suction connector (130).

Insertion unit 200 includes a fixed cap 210, a rotating cap 220, a rotating shaft 230, a blade 240, a blade connecting line 250, a rotating tube 260.

Fixed cap 210 serves to substantially couple the insertion portion 200 to the handle portion 100, the handle portion engaging projections 212 protruding to both sides around the central fixed cap body 211 of the center And a rotating cap coupling protrusion 213.

Handle portion engaging projection 212 is a portion that the fixed cap 210 is coupled to the handle portion 100 is not particularly limited to the coupling method of the fixed cap 210 and the handle portion 100. Helical bonds can be made, or a method of joining them by making protrusions and grooves can be used.

4 to 7 illustrate that a screw line is formed at one end of the fixing cap 210.

Rotating cap coupling protrusion 213 is a portion that is coupled to the fixed cap insertion groove 222 formed on the rotary cap 220. The rotating cap 220 coupled with the rotating cap coupling protrusion 213 is slid in the longitudinal direction of the insertion part 200, so that the blade connecting line 250 connected to the rotating cap 220 is slid in the longitudinal direction, and finally the blade 240 ) Is spread out in a straight line or bowed.

Therefore, the length of the rotary cap coupling protrusion 213 should be determined in consideration of the length of the rotary cap 220 to slide in the longitudinal direction.

In addition, the rotation cap 220 is coupled in a form that can rotate when the motor 120 is operated in a state coupled to the rotation cap coupling projection 213.

The fixed cap body 211 is connected to the connection pipe of the suction connection tube 130, and also the rotary tube 260 is also connected to the fixed cap body 211, the rotary tube 260 and suction connection tube 130 By-products from the procedure are removed to the outside of the human body.

A fixed cap through-hole 214 is formed at the center of the fixed cap 210 so that the rotating shaft 230 can pass therethrough, and the fixed cap through-hole 214 is large enough to rotate the rotary shaft 230. Form.

Rotating cap 220 is coupled to one end of the fixed cap 210, the fixed cap 210 is a portion that is fixed in combination with the handle portion 100, while the rotary cap 220 with the rotating shaft 230 The rotation is made. Rotating cap 220 includes a rotating cap body 221, a fixed cap coupling groove 222 and a rotating cap through hole 223.

Rotating cap body 221 has a sloped surface has a substantially conical shape.

The rotation cap through hole 223 is formed in the center of the rotation cap body 221 and the rotation cap through hole 223 through the rotation pipe 260.

In addition, the rotating cap body 221 has a fixed cap coupling groove 222 of the structure that can be combined with the rotating cap coupling protrusion 213 of the fixed cap 210 is formed. In addition, as the blade cap 250 is connected to the rotating cap body 221, the blade cap 250 is moved as the rotary cap 220 is slid.

Rotating cap 220 may be slid in the longitudinal direction of the insertion portion 200, in this case fixed cap coupling groove 222 and the rotary cap coupling projection 213 is coupled to each other and slide.

The rotary shaft 230 is connected to the motor 120 to rotate by the rotational force of the motor 120, as described above is inserted into the rotary shaft coupling groove 122 formed at the end of the motor shaft 121 motor Mechanically connected to 120.

Due to the rotation of the rotary shaft 230, the insertion portion 200 is rotated all parts except the fixed cap 210.

The rotary tube 260 accommodates the rotary shaft 230 therein and rotates together with the rotary shaft 230.

FIG. 9 is a cross-sectional view of part XX 'of FIG. 4, and FIG. 10 is an enlarged cross-sectional view of part A of FIG. 6. As shown in FIGS. 9 and 10, the rotating tube 260 has a rotating shaft 230 and at least two blade connecting lines 250. The rotary tube 260 rotates with them while protecting them.

There are three through grooves 261 inside the rotary tube 260, and two blade connecting lines 250 and the rotating shaft 230 pass through the respective through grooves 261. In particular, the through groove 261 through which the rotating shaft 230 penetrates by-products generated during the procedure may be used as a movement path of these by-products.

The shape of the end of the rotary tube 260 is not particularly limited, but it is preferable to manufacture a hemispherical shape as shown in FIG.

Inside the end of the rotary tube 260, the rotary shaft 230 is tightly coupled to the rotary tube 260 by a method such as laser welding, and at the end of the rotary tube 260 the blade 240 is exposed to the blade ( 240 is exposed to the outside or the blade insertion groove 262 that can be inserted into the rotary tube 260 again is formed by the number of blades 240.

The blade insertion groove 262 is a portion that allows the blade 240 to be exposed to the outside of the rotary tube 260 when the blade 240 is bent in the shape of a bow, this portion is the blade 240 bow It should be designed in consideration of the length, width, etc. of the blade 240 in the shape of.

The rotary tube 260 is to pass through the rotary cap through hole 223, the blade connection line 250 inside the rotary tube 260 of the insertion portion 200 to be coupled with the rotary cap 220 Blade connecting line through groove 224 formed in the longitudinal direction is formed. The length of the blade connecting line through groove 224 is also designed in consideration of the sliding length.

One end of the blade connection line 250 is connected to the rotary cap 220 and the other end is connected to the blade 240. In addition, the blade connecting line 250 passes through the through groove 261 in the rotary tube 260. The blade connecting line 250 is connected to each blade 240 individually one by one. The blade connecting line 250 is slid in the longitudinal direction of the insertion unit 200 as the slide in the longitudinal direction of the insertion portion 200 of the rotary cap 220, thereby making the blade 240 connected to the other end in a bow shape or It serves to make the original straight shape again. Therefore, the blade connection line 250 should be made of a material that can not be stretched, preferably made of a stainless steel, an alloy containing stainless steel or a polymer of HRc 60 or more.

One end of the blade 240 is connected to the blade connecting line 250, the other end is coupled to the end of the rotary shaft 230 or the rotary tube 260 by laser welding or the like. At least two blades 240 are attached, and preferably only two blades 240 are attached.

The blade 240 rotates together when the rotating shaft 230 rotates to remove unnecessary enlarged parts of the human body, such as a yellow ligament, which is substantially thickened.

The blade 240 is in close contact with the rotating shaft 230 when invading the human body is inserted into the human body in a straight line unfolded state, during the procedure by sliding the rotary cap 220 so that the blade 240 is in the shape of a bow. . To this end, the blade 240 should be made of a flexible material, it should be made of a material that can remember the original shape. Preferably, it is preferably made of stainless, an alloy containing stainless or a polymer of HRc60 or more.

In addition, although two blades 240 are shown in the figure, in some cases, two or more may be attached. Regardless of the number of blades 240, the attachment positions of the blades 240 should be attached to the rotary tube 260 to have an equal phase difference with respect to the cross section of the rotary tube 260. For example, if two blades 240 are to be attached to each other to have a phase difference of 180 degrees.

The size of the rotary tube 260, the blade 240 and the blade insertion groove 262 can not be determined uniformly because it depends on the body part to be treated, but when removing the yellow ligament, the rotary tube 260 is The diameter is about 1.5 ~ 3mm, the blade 240 is preferably manufactured to have a length of 0.3mm ~ 0.5mm thickness and at least 10mm ~ 30mm.

In the present invention, the insertion part 200 may be used several times using a conventional disinfection method, but preferably, it is preferably manufactured for one time use.

To this end, the inserting portion 200 is turned to the handle portion 100 and the fixed cap 210 when in use to form a one-piece by combining, after use, turn the inserting portion 200 by turning the fixed cap 210 portion after the handle portion Dispose separately from (100).

Therefore, the insertion part 200 is made of any one or more of a polymer-based polycarbonate (PC), polypropylene (PP), polytetrafluoroethylene (PTFE) or ethylene tetrafluoroethylene (ETFE), silicone material desirable.

Next, a treatment method using the mechanical surgical instrument according to the present invention will be described.

Sliding the rotary cap 220 in the distal direction of the rotary shaft 230 in the state of invading the mechanical surgical instrument according to the present invention in the human body blade blade 250 connected to the rotary shaft 230 of the rotary shaft 230 It is moved to the end, thereby the blade 240 is bent in the shape of the bow is exposed to the outside of the blade insertion groove 262 is in the shape as shown in FIG.

In this state, by rotating the rotary shaft 230 to remove unnecessary parts inside the human body, after the procedure is completed, the rotating cap 220 is slid again to the original position so that the blade 240 enters the inside of the blade insertion groove 262 completely After being straightened, it is removed from the human body.

In the above, the removal of the yellow ligament has been described, but the surgical instrument according to the present invention is a surgical tool for treating diseases caused by tissues that have been unnecessarily enlarged in the human body such as muscles and ligaments or fats excluding bones of the human body. Can be used.

Claims

The case can be gripped and manipulated by the operator

The motor is located inside the case to generate a rotational force

A handle portion comprising; And

A fixed cap coupled to one end of the handle part and having a rotating shaft penetrating the center thereof;

A rotating cap connected to one end of the fixed cap and rotating around the rotating shaft while sliding in the longitudinal direction of the rotating shaft penetrating the center;

A rotating shaft connected to the motor and rotating through the fixed cap and the rotating cap;

At least two blades each having a phase difference of 180 degrees at the end of the rotating shaft or the rotating tube and coupled to the rotating shaft or the rotating tube,

At least two blade connecting lines connecting the other ends of the at least two blades and the rotating cap, respectively; and

And an insertion unit for receiving the rotary shaft and at least two blade connecting lines therein and including a rotary tube rotating by a motor.
According to claim 1, wherein the end of the shaft of the motor has a rotation shaft coupling groove to which the rotation shaft is coupled, the rotation shaft coupling groove including a half moon, square, triangular, pentagonal in the form of preventing one from screwing Instrument for mechanical surgery, characterized in that the production.
According to claim 1, The end of the rotary tube is a mechanical surgical procedure, characterized in that the blade insertion groove which can be exposed to the outside of the blade-shaped blade is formed in the bow-shaped state as the number of blades Appliance.
According to claim 1, wherein the handle portion is a mechanical surgical surgical device, characterized in that the suction connection pipe is connected to the fixed cap is attached.
The method of claim 1, wherein the rotating tube is a polymer-based polycarbonate (PC), polypropylene (PP), polytetrafluoroethylene (PTFE) or ethylene tetrafluoroethylene (ETFE), at least one material of silicon Instrument for mechanical surgery, characterized in that made of.
The instrument as claimed in claim 1, wherein the blade is made of a stainless steel, a alloy containing stainless steel, or a polymer material of HRc60 or more.
The blade connecting line is a stainless steel, a mechanical material for surgical operation, characterized in that made of a alloy material containing stainless steel or more than HRc60.