WO2017047887A1

WO2017047887A1 - Traction device for surgery

Info

Publication number: WO2017047887A1
Application number: PCT/KR2016/002969
Authority: WO
Inventors: 정창원
Original assignee: 위캔메디케어 주식회사
Priority date: 2015-09-16
Filing date: 2016-03-24
Publication date: 2017-03-23
Also published as: KR101812059B1; KR20170033146A

Abstract

The present invention relates to a traction device for surgery and, more particularly, to a traction device for surgery which expands an incised portion in a state in which the skin is incised for surgery and enables a surgical instrument to easily enter, and has a resilient expanding part formed in a cylindrical shape and by catching the incised portion on a fixing part at the top thereof so that the incised portion is maintained in an expanded state. According to the present invention, the expanding part made of a material resilient is inserted into an incised portion so as to be able to form a space for surgery, and because the expanding part can easily be coupled to or separated from a fixing part, the effect is provided in which changing the position of or removing the traction device during surgery is made easy.

Description

Surgical Traction Device

The present invention relates to a surgical traction device, and more particularly, to expand the incision in the state cut in the epidermis for the surgical operation to easily enter the surgical tool, the elastic extension is formed in a cylindrical upper The present invention relates to a surgical traction device that keeps the incision extended by walking to a fixed part of the part.

For surgical operation, the skin of the patient is incised and the procedure is performed directly on the organs or muscles. For this purpose, it is necessary to expand the incision so that surgical tools can be easily accessed while the skin is incised.

In general, the elastic silicone ring or vinyl tube is inserted into the incision to expand by elasticity, or pull the forceps or clasps to the left and right to open the incision.

In this regard, the applicant discloses a technology of inserting into an incision part consisting of a fixed part and an extension part in Patent Application No. 2015-116534 filed on August 19, 2015.

1 is a perspective view of a towing apparatus according to the prior art, FIG. 2 is a perspective view showing a detailed structure of the fixing portion of the towing apparatus shown in FIG. 1, FIG. 3 is a detailed structure of the extension portion of the towing apparatus shown in FIG. 4 is a side view showing a state in which the incision is extended by pulling the towing blade.

The prior art traction device 100 is composed of a fixing portion 110 and the expansion portion 120, the fixing portion 110 is made of a rigid material, the expansion portion 120 is made of a good elastic material.

The fixing part 110 has an annular body 111 in which a center of a relatively thin disc is drilled. A circular through hole 112 is formed in the center of the annular body 111.

On the surface of the annular body 111, several towing wing seating portion 113 is formed concave. And the towing wing seating portion 113, the fixing protrusion 114 is formed protruding. Concave grooves are formed on a surface opposite the through hole 112 of the fixing protrusion 114.

The expansion part 120 made of a flexible material such as silicon has a shape extending substantially cylindrically under the ring-shaped upper ring 121.

In the middle of the upper ring 121 is a skin opening 122 having a diameter similar to the through hole 112 is formed.

On the outer rim of the upper ring 121, several towing blades 123 are protruded in the radial direction. The towing blade 123 is a means for extending the epidermal opening 122 by pulling the extension 120 outward in a radial direction, so as to protrude radially by a constant length. The towing blade 123 is formed to the same size and spacing as the towing wing seating portion 113, and is fixed by the fixing protrusion 114 so that the retractable wing 123 is not returned to its original position.

One or more fixing grooves 123a penetrate through the towing blade 123. The fixing protrusion 114 is inserted through the fixing groove 123a, and the fixing protrusion 114 and the fixing groove 123a are fixed so that the towing blade 123 is pulled outward.

The lower side of the inner edge of the upper ring 121 is formed with a side wall 124 extending downward. The side wall 124 becomes a portion that meets the epidermis 200 during surgery.

The lower ring 125 is formed at the bottom of the side wall 124. The upper ring 121, the side wall 124, the lower ring 125, the towing blades 123 are all injection molded integrally.

Lower ring 125 is inserted into the underside of the epidermis to prevent extension 120 from escaping from the surgical site.

First, the extension 120 is put into the cut site of the epidermis for surgery. Since the expansion part 120 is made of a relatively flexible material, the lower ring 125 is slightly distorted to reduce the volume, and then placed under the cuticle of the incision.

In the state in which the extension 120 is inserted into the epidermis, the pull blade 123 of the extension 120 is slightly recessed inwardly and inserted into the through hole 112 of the fixing part 110. The fixing part 110 is towing wing 123 is located between the bottom surface and the surface of the epidermis 200.

And pull down the towing blades 123 to the outside and down to fit the fixing protrusion 114 in the fixing groove (123a).

However, the method of fixing the extension part by pulling the extension part has various methods in addition to the protrusion and the groove, and various kinds of fixing methods are applied to the present invention.

The present invention for solving the above problems consists of a ring-shaped fixing portion, and the expansion portion to enter the incision to expand the incision outwards, fixed to the fixing portion in the pulled out towing blade formed on the edge of the extension It is an object of the present invention to provide a surgical traction device that prevents the enlarged incision to be reduced.

The first embodiment of the present invention devised to solve the above problems is a traction device for expanding the incision formed on the epidermis for surgical operation, the fixing portion 310 is seated on the upper surface of the incision; Passing through the fixing portion 310 is inserted into the inside of the incision portion is made of an expansion portion 320 to open the incision, the fixing portion 310 is a ring formed with a through hole 312 in the center of the disc It consists of a body 311 and a fixing protrusion 313 protruding on the surface of the annular body 311, the extension 320 is a towing wing 321 extending in the vertical direction, and the towing It consists of a side wall 322 extending downward from the wing 321, and a lower ring 323 formed on the lower portion of the side wall 322, the fixing projections 313 on the towing blade 321 The fixing groove 321a to be inserted is formed.

A second embodiment of the present invention is a traction device for expanding the incision formed on the epidermis for surgical operation, the fixing portion 410 seated on the upper surface of the incision; Passing through the fixing part 410 is inserted into the inside of the incision is made of an expansion part 420 to open the incision, the fixing part 410 is a ring formed with a through hole 412 in the center of the disc It consists of a body 411 and a fixing protrusion 413 protruding from the surface of the annular body 411, the expansion portion 420 is a cylindrical traction wing 421 extending in the vertical direction and And a side wall 422 extending downward from the towing blade 421, and a lower ring 423 formed at a lower portion of the side wall 422, and the fixing protrusions to the towing blade 421. The fixing groove 421a into which the 413 is inserted is formed.

A third embodiment of the present invention is a traction device for expanding the incision formed on the epidermis for surgical operation, the fixing portion 510 is seated on the upper surface of the incision; Passing through the fixing part 510 is inserted into the inside of the incision is made of an expansion part 520 to open the incision, the fixing part 510 is a ring formed with a through hole 512 in the center of the disc The body 511 and the fixing protrusion 513 is formed to protrude on the surface of the annular body 511, the expansion portion 520 is a towing blade 521 extending in the vertical direction, and the traction It consists of a side wall 522 extending downward from the wing 521, and a lower ring 523 formed in the lower portion of the side wall 522, the towing blade 521 is provided in the fixing projections 513 It is characterized in that the fixing ring 521a made in a ring shape to be hooked.

A fourth embodiment of the present invention is a traction device for expanding the incision formed on the epidermis for surgery, the fixing portion 610 which is seated on the upper surface of the incision; Pass through the fixing portion 610 is inserted into the inside of the incision to the expansion portion 620 is formed to open the incision, the fixing portion 610 is a ring formed with a through hole 612 in the center of the disc The body 611 and the fixing portion button 613 is installed on the surface of the annular body 611, the expansion portion 620 is a towing wing 621 extending in the vertical direction, and the towing It consists of a side wall 622 extending downward from the wing 621, and a lower ring 623 formed on the lower portion of the side wall 622, the fixing portion button 613 to the towing blade 621 It is characterized in that the expansion button 621a which is detachably coupled to the interference fit or screw type is installed.

A fifth embodiment of the present invention is a traction device for expanding an incision formed in the epidermis for a surgical operation, comprising: a fixing part 710 seated on an upper surface of the incision; Passing through the fixing portion 710 is inserted into the inside of the incision portion is made of an expansion portion 720 to open the incision portion, the fixing portion 710 is a ring formed with a through hole 712 in the center of the disc The body 711 and a fixed groove 713 formed in the outer rim of the annular body 711 is formed, the extension portion 720 is a towing wing 721 extending in the vertical direction, And a lower ring 723 formed at a lower portion of the side wall 722, the side wall 722 extending downward from the towing blade 721, and the fixing groove 713 in the towing wing 721. It is characterized in that the fixing ring 721a made in a ring shape to be caught.

A sixth embodiment of the present invention is a traction device for expanding the incision formed on the epidermis for surgery, the fixing portion 810 is seated on the upper surface of the incision; Pass through the fixing part 810 is inserted into the inside of the incision to the expansion part 820 to open the incision, the fixing part 810 is a ring formed with a through hole 812 in the center of the disc The body 811 and the outer groove of the annular body 811 is made up of a fixing groove 813 is formed to be concave to narrow the width, the expansion portion 820 is extended in the vertical direction A towing blade 821, a side wall 822 extending downward from the towing blade 821, and a lower ring 823 formed at a lower portion of the side wall 822. ) Is provided with a fixing strap 821a fixed to the fixing groove 813.

According to the present invention, an extension made of an elastic material may be inserted into the incision to form a space for surgery, and the extension may be easily coupled to or detached from the fixing part so that the position change or removal of the traction device may be performed during surgery. There is an effect of facilitating.

1 is a perspective view of a traction device according to the prior art.

Figure 2 is a perspective view showing a detailed structure of the fixing part of the towing device shown in FIG.

3 is a perspective view showing a detailed structure of the extension of the towing apparatus shown in FIG.

Figure 4 is a side view showing a state to extend the incision by pulling the towing blade.

5 is a perspective view showing the structure of the towing apparatus according to the first embodiment of the present invention.

6 is a perspective view showing a lower structure of the towing apparatus of the first embodiment;

Fig. 7 is a side view showing the side structure of the towing apparatus of the first embodiment.

8 is a side view showing a state in which the extension portion of the towing apparatus of the first embodiment is pulled;

9 is a perspective view showing the structure of a towing apparatus according to a second embodiment of the present invention.

10 is a side view showing the side structure of the towing apparatus of the second embodiment;

11 is a perspective view showing a state in which an extension part of the towing apparatus of the second embodiment is pulled out;

12 is a side view showing a state in which an extension part of the towing apparatus of the second embodiment is pulled;

Figure 13 is a perspective view showing the structure of the towing apparatus according to a third embodiment of the present invention.

Fig. 14 is a side view showing the side structure of the towing apparatus of the third embodiment.

15 is a perspective view showing a state in which an extension part of the towing apparatus of the third embodiment is pulled;

16 is a side view showing a state in which an extension part of the towing apparatus of the third embodiment is pulled;

17 is a perspective view showing the structure of a towing apparatus according to a fourth embodiment of the present invention.

Fig. 18 is a side view showing the side structure of the towing apparatus of the fourth embodiment.

19 is a perspective view showing a state in which an extension part of the towing apparatus of the fourth embodiment is pulled out;

20 is a side view showing a state in which the extension of the towing apparatus of the fourth embodiment is pulled;

21 is a perspective view showing the structure of a towing apparatus according to a fifth embodiment of the present invention;

Fig. 22 is a side view showing the side structure of the towing apparatus of the fifth embodiment.

Fig. 23 is a perspective view showing a state in which an extension part of the towing apparatus of the fifth embodiment is pulled;

24 is a side view showing a state in which an extension part of the towing apparatus of the fifth embodiment is pulled;

25 is a perspective view showing the structure of a towing apparatus according to a sixth embodiment of the present invention;

Fig. 26 is a side view showing the side structure of the towing apparatus of the sixth embodiment.

27 is a perspective view showing a state in which an extension part of the towing apparatus of the sixth embodiment is pulled out;

28 is a side view showing a state in which an extension part of the towing apparatus of the sixth embodiment is pulled;

Hereinafter, with reference to the drawings will be described a "surgical surgical traction device" (hereinafter referred to as "traction device").

제1실시예First embodiment

5 is a perspective view showing the structure of the towing apparatus according to the first embodiment of the present invention, Figure 6 is a perspective view showing the lower structure of the towing apparatus of the first embodiment, Figure 7 is a side structure of the towing apparatus of the first embodiment Fig. 8 is a side view showing a state in which the extension part of the towing apparatus of the first embodiment is pulled out.

Traction apparatus 300 according to the first embodiment is composed of a fixed portion 310 of a relatively rigid material, as in the prior art, and an expansion portion 320 of an elastic material such as silicon. The expansion part 320 is inserted through the through hole 312 formed in the fixing part 310.

The side wall 322 extends downward from the bottom of the towing blade 321, and the lower ring 323 is formed relatively thick at the end thereof. The lower ring 323 is fixed while being inserted under the cuticle.

The number of fixing grooves 321a corresponding to the positions corresponding to the fixing protrusions 313 is formed in the towing blades 321 formed in the expansion part 320, and the fixing protrusions of the fixing portions 310 are formed in the fixing grooves 321a. 313 is inserted. When the towing blade 321 is fixed to the fixing protrusion 313, the extension part 320 is pulled radially, so that the surgical tool can be easily inserted and the surgical tool touches the side of the incision to cause a wound. Prevent it.

The difference between the towing apparatus 300 of the first embodiment and the towing apparatus 100 of the related art is the extending direction of the towing vanes 321. In the prior art, the towing blade 123 extends in a radially inclined state, but in the first embodiment extends vertically or nearly perpendicular to the ground. In the state in which the expansion part 320 is inserted into the incision, the fixing part 310 needs to be inserted from above. When the traction wing 123 extends obliquely as in the related art, the traction wing 123 interferes with the annular body 111. It is difficult to cause the insertion.

However, when the towing blade 321 extends vertically as in the first embodiment, the towing blade 321 and the annular body 311 can be easily fitted without interference.

The material of the fixing part 310 and the expansion part 320, the pulling method of the traction wing 321 is the same as in the prior art.

제2실시예Second embodiment

9 is a perspective view showing the structure of the towing apparatus according to the second embodiment of the present invention, FIG. 10 is a side view showing the side structure of the towing apparatus of the second embodiment, and FIG. 11 is an extension of the towing apparatus of the second embodiment. Figure 12 is a perspective view showing a state, Figure 12 is a side view showing a state in which the extension portion of the traction device of the second embodiment.

The towing apparatus 400 of the second embodiment has a structure substantially similar to that of the towing apparatus 300 of the first embodiment.

That is, the fixing part 410 is composed of an annular body 411 having a through hole 412 in the center, and a fixing protrusion 413 protruding from the surface of the annular body 411.

The expansion part 420 is composed of a towing blade 421 at the top, a side wall 422 extending to the bottom of the towing wing 421, and a lower ring 423 formed in a ring shape at the bottom of the side wall 422. . The same number of fixing grooves 421a are formed in the towing blade 421 at the same position as the fixing protrusion 413 so that the fixing protrusion 413 is fitted.

Unlike in the first embodiment, the towing blade 421 is formed on the upper end of the expansion portion 420, but does not protrude individually. Traction blade 421 is cylindrical, several fixing grooves (421a) are formed at regular intervals.

As shown in FIG. 11, when the surgeon instructs the surgeon to pull the towing blade 421 radially, the incision is exposed while the towing blade 421 is opened in a nearly circular shape. When the fixing protrusion 413 is inserted into the fixing groove 421a formed in the towing blade 421, the expansion part 420 is maintained in the open state.

제3실시예Third embodiment

FIG. 13 is a perspective view showing the structure of the towing apparatus according to the third embodiment of the present invention, FIG. 14 is a side view showing the side structure of the towing apparatus of the third embodiment, and FIG. 15 is a pulled out extension of the towing apparatus of the third embodiment. 16 is a side view showing a state in which the extension part of the towing apparatus of the third embodiment is pulled.

13 to 16, the traction device 500 of the third embodiment is slightly different from the conventional method of fixing the traction blade 521.

The fixing part 510 of the towing apparatus 500 according to the third embodiment has an annular body 511, and a through hole 512 is formed in the center of the annular body 511. And the surface of the annular body 511 has a number of fixing projections (513) protruding.

The expansion part 520 has a side wall 522 extending downward from the top of the towing blade 521, and a lower ring 523 is formed under the side wall 522. The lower ring 523 is inserted and fixed under the skin as in the previous embodiment.

The towing blade 521 is provided with the same number of fixing rings 521a at the same position as the fixing protrusion 513. The fixing ring 521a may be integrally injected with the towing blade 521, but a method in which a separately manufactured component is fixed will be common. The fixing ring 521a is a circular or ring-shaped ring, and is caught by the fixing protrusion 513 in a state of being fixed to the towing blade 521.

As shown in FIGS. 15 and 16, the surgeon conducting the surgery extends the extension 520 radially while pulling the retaining ring 521a. When the fixing ring 521a is hung on the fixing protrusion 513, the expansion part 520 is maintained in an extended state. After the operation, the fixing ring 521a hanging on the fixing protrusion 513 is removed, and the extension part 520 is retracted to be removed from the incision.

제4실시예Fourth embodiment

17 is a perspective view showing the structure of the towing apparatus according to the fourth embodiment of the present invention, FIG. 18 is a side view showing the side structure of the towing apparatus of the fourth embodiment, and FIG. 19 is an extension of the towing apparatus of the fourth embodiment. 20 is a side view showing a state in which the extension portion of the towing apparatus of the fourth embodiment is pulled.

The traction device 600 according to the fourth embodiment uses a button method rather than a coupling method of the protrusion and the groove.

The fixing part 610 is composed of an annular body 611 having a through hole 612 formed in the center, and several fixing part buttons 613 are formed on the surface of the annular body 611.

The expansion part 620 is composed of a traction blade 621 at the top, a side wall 622 extending below the traction blade 621, and a lower ring 623 formed under the side wall 622. This configuration is similar to that in the embodiment described above.

Towing blade 621 is formed with an expansion button 621a to correspond to the fixing button 613. The expansion unit button 621a is detachably coupled to the fixing unit button 613. The doctor conducting the surgery extends the towing blade 621 radially, and then, combines the fixing part button 613 and the expansion part button 621a to fix the expansion part 620 in the expanded state.

The fixing part button 613 and the expansion part button 621a are generally used for fixing buttons made of a male and female type. The fixing part button 613 and the expansion part button 621a may be arbitrarily selected by the user.

제5실시예Fifth Embodiment

FIG. 21 is a perspective view showing the structure of the towing apparatus according to the fifth embodiment of the present invention, FIG. 22 is a side view showing the side structure of the towing apparatus of the fifth embodiment, and FIG. 23 is an extension of the towing apparatus of the fifth embodiment. 24 is a side view showing a state in which the extension part of the towing apparatus of the fifth embodiment is pulled.

Traction apparatus 700 according to the fifth embodiment is composed of a fixing portion 710 and the expansion portion 720 as in the previous example.

The fixing part 710 is composed of an annular body 711 formed with a through hole 712 in the center, and several fixing grooves 713 are formed in the outer edge of the annular body 711 to be concave.

The extension portion 720 includes a towing blade 721 at the top, a side wall 722 extending under the towing blade 721, and a lower ring 723 formed under the side wall 722.

The number of fixing rings 721a corresponding to the position corresponding to the fixing groove 713 is installed in the towing blade 721. The fixing ring 721a may be integrally injected with the extension part 720, but a method of separately injecting and attaching it for the convenience of manufacturing or a firm fixing will be common. Retaining ring 721a of a relatively hard material is fitted into the fixing groove 713 formed on the outer edge of the fixing portion 710.

The doctor conducting the surgery pulls the fixing ring 721a and inserts it into the fixing groove 713. The extension 720 is then radially open, as shown in FIGS. 23 and 24, to allow the surgical tool to pass through.

After the surgery, the extension portion 720 is pulled out again by removing the fixing ring 721a from the fixing groove 713.

제6실시예Sixth embodiment

25 is a perspective view showing the structure of the towing apparatus according to the sixth embodiment of the present invention, FIG. 26 is a side view showing the side structure of the towing apparatus of the sixth embodiment, and FIG. 27 is an extension of the towing apparatus of the sixth embodiment. 28 is a side view showing a state in which the extension part of the towing apparatus of the sixth embodiment is pulled.

The towing apparatus 800 according to the sixth embodiment includes a fixing part 810 and an expansion part 820 similar to those of the previous embodiment.

The fixing part 810 is composed of an annular body 811 having a through hole 812 formed in the center thereof. And some fixing grooves 813 are formed in the outer edge of the annular body 811. The fixing groove 813 is made in the shape of a wedge so that the width becomes narrower as it gets deeper.

The extension part 820 includes a towing blade 821 at the top, a side wall 822 extending under the towing blade 821, and a lower ring 823 formed under the side wall 822. The lower ring 823 is fixed while being fitted under the skin of the incision.

The number of fixing straps 821a corresponding to the position corresponding to the fixing groove 813 is attached to the towing vanes 821. Fixing strap 821a means a string made of thread, vinyl, or plastic. Since one end of the fixing strap 821a is fixed to the towing blade 821, when the fixing strap 821a is pulled outward, the extension 820 is extended.

The doctor conducting the surgery extends the extension portion 820 while pulling the fixing strap 821a radially. Then, the fixing strap 821a is inserted into the fixing groove 813 to be fixed. Since the fixing groove 813 becomes narrower as the depth becomes deeper, pulling the fixing string 821a to the innermost portion of the fixing groove 813 may be relatively firmly fixed.

After the operation, the fixing strap 821a is pulled out of the fixing groove 813 and the extension 820 is contracted back to its original state.

Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the above-described technical configuration of the present invention may be embodied by those skilled in the art to which the present invention pertains without changing its technical spirit or essential features of the present invention. It will be appreciated that the present invention may be practiced as. Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the appended claims rather than the detailed description, and the meaning and scope of the claims and All changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

Claims

A traction device for expanding the incision formed in the epidermis for surgery,

A fixing part 310 seated on an upper surface of the cutout part;

Passed through the fixing portion 310 is inserted into the inside of the incision is made of an expansion unit 320 to open the incision,

The fixing part 310 is

It consists of an annular body 311 formed with a through hole 312 in the center of the disc, and a fixing protrusion 313 protruding from the surface of the annular body 311,

The expansion unit 320 is

It consists of a towing blade 321 extending in the vertical direction, a side wall 322 extending downward from the towing blade 321, and a lower ring 323 formed in the lower portion of the side wall 322,

The traction wing 321, characterized in that the fixing groove (321a) is formed is inserted into the fixing projections (313), surgical traction device.
A traction device for expanding the incision formed in the epidermis for surgery,

A fixing part 410 seated on an upper surface of the cutout part;

Passed through the fixing portion 410 is inserted into the inside of the incision is made of an expansion portion 420 to open the incision,

The fixing part 410 is

Consists of a ring-shaped body 411, the through-hole 412 is formed in the center of the disc, and a fixing protrusion 413 protruding from the surface of the ring-shaped body 411,

The extension 420 is

Cylindrical towing wings 421 extending in the vertical direction, the side wall 422 extending downward from the towing blade 421, and the lower ring 423 formed in the lower portion of the side wall 422 Done,

The traction wing (421) is characterized in that the fixing groove (421a) is formed is inserted into the fixing projection (413), surgical traction device.
A traction device for expanding the incision formed in the epidermis for surgery,

A fixing part 510 seated on an upper surface of the cutout part;

Passed through the fixing portion 510 is inserted into the inside of the incision is made of an expansion portion 520 to open the incision,

The fixing part 510 is

It consists of an annular body 511 formed with a through hole 512 in the center of the disc, and a fixing protrusion 513 protruding from the surface of the annular body 511,

The expansion unit 520 is

A towing blade 521 extending in an up and down direction, a side wall 522 extending downward from the towing blade 521, and a lower ring 523 formed at a lower portion of the side wall 522,

The traction wing 521 is characterized in that the fixing ring (521a) made in a ring shape is attached to the fixing projections (513) is attached, surgical traction device.
A traction device for expanding the incision formed in the epidermis for surgery,

A fixing part 610 seated on an upper surface of the cutout part;

Passed through the fixing part 610 is inserted into the inside of the incision is made of an expansion part 620 to open the incision,

The fixing part 610 is

It consists of an annular body 611 formed with a through hole 612 in the middle of the disc, and a fixing part button 613 is installed on the surface of the annular body 611,

The extension 620 is

A towing blade 621 extending in an up and down direction, a side wall 622 extending downward from the towing blade 621, and a lower ring 623 formed at a lower portion of the side wall 622,

The traction wing 621, characterized in that the extension button (621a) is detachably coupled to the fixing part button 613 detachably coupled, surgical traction device for surgery.
A traction device for expanding the incision formed in the epidermis for surgery,

A fixing part 710 seated on an upper surface of the cutout part;

Passed through the fixing portion 710 is inserted into the inside of the incision is made of an expansion portion 720 to open the incision,

The fixing part 710 is

It consists of an annular body 711 formed with a through hole 712 in the center of the disc, and a fixing groove 713 formed in the outer edge of the annular body 711,

The expansion unit 720

A towing blade 721 extending in an up and down direction, a side wall 722 extending downward from the towing blade 721, and a lower ring 723 formed at a lower portion of the side wall 722,

Traction ring 721a is attached to the traction wing 721 is made in a ring shape to be caught by the fixing groove 713, the surgical traction device.
A traction device for expanding the incision formed in the epidermis for surgery,

A fixing part 810 seated on an upper surface of the cutout part;

The expansion part 820 is inserted into the incision through the fixing part 810 so that the incision is opened,

The fixing part 810 is

It consists of an annular body 811 formed with a through-hole 812 in the middle of the disc, and a fixing groove 813 is formed to be concave to narrow the deeper the outer edge of the annular body 811,

The extension 820 is

A towing blade 821 extending in an up and down direction, a side wall 822 extending downward from the towing blade 821, and a lower ring 823 formed at a lower portion of the side wall 822,

The towing blade (821) is characterized in that the fixing strap (821a) is fitted to be fixed to the fixing groove (813) is attached, the surgical traction device.