KR101898631B1 - surgical blade retractor - Google Patents

Abstract

A surgical blade retractor comprises: a fixed frame having a first gear part formed along a longitudinal direction thereof; a first traction unit installed at one side of the fixed frame while being movable in a lateral direction along the first gear part, and having a first blade; a second traction unit installed on the other side of the fixed frame and having a second blade; and a third traction unit installed to be movable in the front and back direction at the center of the fixed frame and having a third blade.

Description

[0001] SURGICAL BLADE RETRACTOR [0002]

The present invention relates to a surgical blade retractor capable of uniformly tracing muscles and skin around a lesion incision during a surgical operation with a predetermined force, and capable of rotating the blade, thereby facilitating a surgical procedure space and a field of view.

Surgery requires surgical exposure so that the surgeon can reach deeper parts of the body. Surgical exposure usually begins with an appropriate depth of incision and a surgical instrument, known as a retractor, is inserted into the incision site to pull back the skin, muscles, and other soft tissues to access the desired site.

Conventional retractors consist of a retractor body attached to one or more retractor blades. The blade of this retractor is provided in the form of a soft, thin plate with an edge for insertion into the incision to pull the tissue back.

The retractor blades may be provided in various sizes depending on the particular use and physical characteristics of the patient, which may be slightly bent or fully flattened and the ends may be provided in various shapes to facilitate tissue pulling.

However, it is necessary to develop various types of retractors so that the surgeon can secure the field of view of the surgical site and smoothly insert surgical instruments into the human body to perform surgical operations.

Patent Registration No. 10-1298059 (Publication date: Aug. 20, 2013)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide an apparatus and a method for traction of muscles and skin around a lesion incision during a surgical operation, And to provide a surgical blade retractor that is easy to secure a field of view.

According to an aspect of the present invention, there is provided a surgical blade retractor comprising: a stationary frame having a first gear portion formed along a longitudinal direction; A first traction unit installed on one side of the fixed frame and movable in a lateral direction along the first gear unit, the first traction unit having a first blade; A second traction unit installed on the other side of the fixed frame and having a second blade; And a third traction unit movably movable in the front and rear direction at the center of the fixed frame, the third traction unit having a third blade.

The first traction unit may include a variable frame connected to one side of the fixed frame and having a first ratchet engaged or disengaged from the first gear portion; A first guide part connected to the variable frame at one side and guiding the first blade rotatably; And a first fixing part coupled through the first blade and the first guide part and fixing the position of the first blade.

The first traction unit further includes a movement control unit having gears engaged with the first gear unit to move the variable frame in the left and right direction through rotation.

The second traction unit may include: a second guide unit for guiding the second blade rotatably; A connection part connected to the other side of the fixed frame and connecting the second blade to the second guide part; And a second fixing part coupled through the second blade and the second guide part and fixing the position of the second blade.

The third traction unit includes a center frame connected to a center portion of the fixed frame in a vertical direction and having a second gear portion along a longitudinal direction thereof; A locking portion having a second ratchet engaged or disengaged from the second gear portion to fix the position of the center frame; A third guide part connected to one side of the center frame and guiding the up / down angle adjustment of the third blade; And a third fixing part coupled to the third guide part through one side of the center frame and fixing the position of the third blade.

And a head portion rotatably connected to the third guide portion at an upper end of the third blade.

The surgical blade retractor is made of carbon fiber reinforced plastics (CFRP).

According to the present invention, muscles and skin around the incision site can be equally pulled with a constant force during surgery, and the blade can be rotated to facilitate a procedure space and a visual field.

1 is a perspective view illustrating a surgical blade retractor according to an embodiment of the present invention.
2 is a plan view showing a surgical blade retractor according to an embodiment of the present invention.
FIG. 3 and FIG. 4 are plan views showing an operational form of a surgical blade retractor according to an embodiment of the present invention.
5 is a cross-sectional view showing the setting positions of the first and second blades of the surgical blade retractor according to the embodiment of the present invention.

The preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, in which the technical parts already known will be omitted or compressed for the sake of brevity.

Referring to FIGS. 1 to 5, a surgical blade retractor 10 according to an embodiment of the present invention will be described. The surgical blade retractor 10 includes a first retracting unit 200, A second traction unit 300 and a third traction unit 400. [0033]

The fixed frame 100 has a predetermined length, and the first gear portion 110 is formed on one side of the fixed frame 100 along the longitudinal direction. The first gear unit 110 formed on the fixed frame 100 serves to guide the first traction unit 200 to the left and right.

1, the first pulling unit 200 is installed on one side of the fixed frame 100 so as to be movable in the lateral direction along the first gear unit 110. The first pulling unit 200 includes a first blade 210, A variable frame 220, a first guide unit 230, and a first fixing unit 240.

Here, the first blade 210 is a structure for pulling muscles, skin, and the like at the incision site during surgery.

The variable frame 220 is connected to one side of the fixed frame 100 and includes a first ratchet 221 which is engaged with or released from the first gear 110. That is, the variable frame 220 can be moved or fixed in the lateral direction along the longitudinal direction of the fixed frame 100 by the latching or releasing operation of the first ratchet 221.

One end of the first guide part 230 is connected to the variable frame 220 and guides the first blade 210 so that the first blade part 210 is rotatable. (210) and the first guide part (230), and fixes the position of the first blade (210).

The first fixing part 240 may be provided in the form of a bolt and the first blade 210 may be inserted into the first guide part 230 in a state where one side of the first blade 210 is inserted, And the second portion 230 may be coupled.

Accordingly, the position of the first blade 210, which is rotated in the vertical direction, is fixed through the first fixing part 240.

The first traction unit 200 further includes a movement control unit 250 having gears engaged with the first gear unit 230 so as to move the variable frame 220 in the left and right direction through rotation .

The gear formed in the movement control unit 250 is vertically contacted with the first gear unit 110 and meshed with the first gear unit 110 to move the variable frame 220 in the left and right direction along the first gear unit 110 It is preferable to provide a pinion gear.

1, the second traction unit 300 is installed on the other side of the fixed frame 100 to correspond to the first traction unit 200. The second traction unit 300 includes a second blade 310, A guide portion 320, a connecting portion 330, and a second fixing portion 340. [

Here, the second blade 310 is configured to pull muscles, skin, and the like of the incision site in the opposite direction to the first blade 210 during the operation.

The second guide unit 320 is configured to guide the second blade 310 so that the second blade 310 can rotate. The connection unit 330 is connected to the other side of the fixed frame 100, And the second guide part 320 are connected to each other.

The second fixing part 340 is coupled through the second blade 310 and the second guide part 320 to fix the position of the second blade 310.

The second fixing part 340 may be formed in a bolt shape and the second blade 310 may be inserted into the second guide part 320 in a state where one side of the second blade 310 is inserted, (320) are coupled to each other.

Accordingly, the second blade 310 is fixed in its vertical position through the second fixing part 340.

As shown in FIG. 1, the third traction unit 400 is configured to be movable in the front-rear direction at the center of the fixed frame 100, and includes a third blade 410, a center frame 420, A third guide portion 440, and a third fixing portion 450. The first guide portion 440 and the third guide portion 450 may be integrally formed with each other.

Here, like the first and second blades 210 and 310, the third blade 410 is configured to pull muscles, skin, and the like of the incision site during surgery.

The third blade 410 may have a head portion 411 connected to the third guide portion 440 so as to be rotatable.

The center frame 420 has a predetermined length and is connected to the center of the fixed frame 100 in the vertical direction with a second gear portion 421 formed along the longitudinal direction.

The locking portion 430 includes a second ratchet 431 that is engaged with or released from the second gear portion 421 to fix the position of the center frame 420.

The third guide part 440 is connected to one side of the center frame 420 and guides the adjustment of the vertical angle of the third blade 410, The second blade 420 is coupled to the third guide part 440 through one side of the first guide part 420 to fix the position of the third blade 410. [

In addition, the surgical blade retractor 10 according to the embodiment of the present invention may be made of carbon fiber reinforced plastics (CFRP).

Here, CFRP is a high-tech composite material that is attracting attention as a high-strength and high-elasticity lightweight structural material reinforced with carbon fiber, and has excellent characteristics as a lightweight structural material. Therefore, CFRP is suitable as a material for a surgical blade retractor.

Hereinafter, the operation of the surgical blade retractor 10 according to the embodiment of the present invention will be described in detail with reference to FIGS. 3 to 5. FIG.

First, as shown in FIG. 3, the first traction unit 200 sets a lateral position along the first gear unit 110 with respect to the fixed frame 100 so as to be suitable for the incision site during surgery And fixes the set position through the first ratchet 221 provided in the variable frame 220.

The position of the first blade 210 can be precisely set by precisely adjusting the left and right positions of the first traction unit 200 by the operation of rotating the movement control unit 250. [ Since the first blade 210 is vertically rotatable through the first guide part 230, as shown in FIG. 5, after the vertical angle is adjusted, (240).

Since the second blade 310 of the second traction unit 300 is provided so as to be vertically rotatable through the second guide unit 320 like the first blade 210, The position is fixed through the second fixing portion 340 after adjusting the vertical angle.

As shown in FIG. 4, the third traction unit 400 is configured to set the position in the forward and backward directions along the second gear portion 421 with reference to the fixed frame 100, And fixes the set position through the second latch 431 of the locking part 430. [

Thereafter, the third blade 410 of the third traction unit 400 adjusts the angle in the vertical direction through the third guide part 440, and fixes the adjusted position thereof to the third fixed part 450 through the third fixing part 450 .

As described above, the present invention can be applied to the operation of pulling up the muscles and skin of the incision site through the positioning and position fixation of the first, second, and third traction units 200, 300 and 400, Can smoothly proceed.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. And the scope of the present invention should be understood as the scope of the following claims and their equivalents.

10: surgical blade retractor
100: fixed frame 110: first gear portion
200: first tow unit 210: first blade
220: variable frame 221: first ratchet
230: first guide part 240: first fixing part
250: movement control unit 300: second traction unit
310: second blade 320: second guide portion
330: connection part 340: second fixing part
400: Third Drawing Unit 410: Third Blade
411: head part 420: center frame
421: second gear portion 430: locking portion
431: second ratchet 440: third guide portion
450: third fixing unit

Claims (7)

A fixed frame having a first gear portion formed along a longitudinal direction thereof;
A first traction unit installed on one side of the fixed frame and movable in a lateral direction along the first gear unit, the first traction unit having a first blade;
A second traction unit installed on the other side of the fixed frame and having a second blade; And
And a third traction unit installed to be movable in the longitudinal direction at the center of the fixed frame and having a third blade
Surgical blade retractor.
The method according to claim 1,
The first traction unit comprises:
A variable frame connected to one side of the fixed frame and having a first ratchet engaged or disengaged from the first gear;
A first guide part connected to the variable frame at one side and guiding the first blade rotatably; And
And a first fixing part coupled through the first blade and the first guide part and fixing the position of the first blade.
Surgical blade retractor. 3. The method of claim 2,
Wherein the first traction unit further comprises a movement control unit having a gear engaged with the first gear unit to move the variable frame in a lateral direction through rotation.
The method according to claim 1,
The second traction unit comprises:
A second guide portion for guiding the second blade rotatably;
A connection part connected to the other side of the fixed frame and connecting the second blade to the second guide part; And
And a second fixing part coupled through the second blade and the second guide part to fix the position of the second blade.
Surgical blade retractor. The method according to claim 1,
The third traction unit comprises:
A center frame connected to the center of the fixed frame in the vertical direction and having a second gear portion along the longitudinal direction;
A locking portion having a second ratchet engaged or disengaged from the second gear portion to fix the position of the center frame;
A third guide part connected to one side of the center frame and guiding the up / down angle adjustment of the third blade; And
And a third fixing part coupled to the third guide part through one side of the center frame to fix the position of the third blade.
Surgical blade retractor.
6. The method of claim 5,
And a head portion rotatably connected to the third guide portion at an upper end of the third blade.
The method according to claim 1,
Characterized in that the surgical blade retractor is made of carbon fiber reinforced plastics (CFRP)
Surgical blade retractor.

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