KR101359110B1 - Elector surgical hand-piece for treating tissue - Google Patents

Abstract

The present invention discloses a handpiece for a surgical device, the present invention is configured to move the trigger constituting the operating portion of the handpiece back and forth, while connecting the trigger and the rotating anvil plate in a plurality of links, accordingly Fixed and rotational types for solidification and incision of tissues with different bioimpedance characteristics (e.g. arteries, veins, gastrointestinal tract, mesentery, fat, liver, kidney, stomach, spleen, prostate, etc.) while allowing the operator's hand movement to occur naturally. The clamping state of the end effector (End-Effector) by the anvil plate is kept constant to facilitate the coagulation and incision procedure.

Description

Handpiece for Surgical Device {ELECTOR SURGICAL HAND-PIECE FOR TREATING TISSUE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handpiece for a surgical device using high frequency and ultrasound as an ultrasound or complex energy source, and more particularly, tissues having different bioimpedance characteristics (eg, arteries, veins, gastrointestinal tract, mesentery, fat, liver, When coagulation and dissection of the tissues of the surgical site by high frequency and / or ultrasound applied to the tissues according to the physical properties of the kidneys, stomach, spleen, prostate, etc., the trigger of the surgical device is clamped by the end-effector ( The present invention relates to a handpiece for a surgical device which enables to maintain a constant clamping state.

In general, a high-frequency surgical device or an ultrasonic surgical device used in gynecological surgery such as laparoscopic surgery, thoracoscopic surgery, surgery of hemorrhoids, prostate surgery or lump removal, and gynecological surgery such as uterine fibroids, head and neck surgery, and obesity surgery is a surgical device. It includes a main unit and a high-frequency or ultrasonic surgical handpiece connected to the main unit.

The handpiece is a body having an operation portion, as disclosed in Korean Patent Laid-Open Publication No. 10-2007-0100143, US Patent Publication No. 10-2007-0079046, US Patent No. 7108695, and a shaft coupled to the main body. And fixed and rotating anvil plates, which are surgical units positioned at the end of the shaft and operated according to the manipulation of the operation unit.

In this case, the operation unit is divided into a fixing unit and a trigger, the trigger is configured to rotate around the hinge.

In addition, in the stationary and rotary anvil plate, the rotary anvil plate is rotated around the hinge to grasp the treatment site tissue for solidification and incision, the rotation of the rotary anvil plate is It is linked with the rotation of the trigger to enable coagulation and dissection of the tissue at the site.

Here, the main body is connected to an ultrasonic wave and / or a high frequency generator which generates ultrasonic wave and / or high frequency.

However, in the case of an operation unit applied to the handpiece of the prior art, the operation of the trigger constituting the operation unit rotates around the hinge, and this rotational movement is performed by the operator's hand, in this case the movement of the operator's hand. There is this unnatural disadvantage, and accordingly there is a problem that the procedure is difficult while the clamping state of the end effector (End-Effector) by the fixed and rotating anvil plate is not kept constant during solidification and incision of the tissue.

The present invention is to improve the problems of the prior art as described above, by configuring the trigger constituting the operation portion of the handpiece to move back and forth, by configuring the trigger and the rotating anvil plate in a plurality of links, Coagulation and incision are easily performed by maintaining the clamping state of the end-effector by fixed and rotating anvil plates during solidification and incision of the tissue while allowing the operator's hand movement to occur naturally. It is an object of the present invention to provide a handpiece for a surgical device.

The invention surgical handpiece for achieving the above object, the main body connected to the ultrasonic wave and / or high frequency generating unit for generating high frequency and high frequency and having an operation unit; A shaft coupled to the body; A fixed anvil plate positioned at the end of the shaft; And a rotating anvil plate for clamping the tissue of the surgical site for solidification and incision with the fixed anvil plate while rotating in accordance with the operation of the operation unit; In the handpiece comprising a, the operation unit includes a fixed portion, and a trigger for rotating the rotatable anvil plate, the trigger is coupled to the fixed portion through the guide rod to be moved back and forth by the operator and The fixed part rotates the rotary anvil plate away from the fixed anvil plate when the trigger moves forward, and rotates the rotary anvil plate in a direction in close contact with the fixed anvil plate when the trigger moves backward from the operator's pressing. The link member is configured to pressurize and rotate to maintain a constant clamping state of the end effector to the tissue.

According to another aspect of the invention, the link member, the first and second links rotatably coupled around the fixed hinge portion; A third link rotatably coupled to the first and second links through a flow hinge, the third link being rotated while being pressed according to the backward movement of the trigger; And a fourth link, one end of which is rotatably coupled to the first link through the flow hinge with the third link, and the other end of which is connected to a yoke for rotating the rotatable anvil plate. .

According to another aspect of the present invention, the guide rod and the second link are elongated when the third link is pressed in response to the backward movement of the trigger, and the pressing pressure on the third link is released from the forward movement of the trigger. At the time of compression, both ends of the spring are compressed to return the first to fourth links to their original positions.

As described above, the present invention is configured to move the front and back of the trigger constituting the operating portion of the handpiece, and is configured by connecting the trigger and the rotating anvil plate in a plurality of links, thereby allowing the operator's hand movement is made naturally. End effectors by fixed and rotating anvil plates during coagulation and incision of tissues (eg, arteries, veins, gastrointestinal tract, mesentery, fat, liver, kidney, stomach, spleen, prostate, etc.) -Effector's clamping state is kept constant, so the effect of facilitating coagulation and incision can be expected.

1 is a perspective view showing a state before operation of the handpiece for the surgical device of the present invention.
Figure 2 is a side view showing a pre-operation state of the handpiece for the surgical device of the present invention.
Figure 3 is a perspective view showing a state after the operation of the handpiece for the surgical device of the present invention.
Figure 4 is a side view showing a state after the operation of the handpiece for the surgical device of the present invention.
Figures 5a, 5b, 5c is a cross-sectional view showing the flow before and after the operation of the handpiece for the surgical device of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a perspective view showing a pre-operational state of the handpiece for the surgical device of the present invention, Figure 2 is a side view showing a pre-operational state of the handpiece for the surgical device of the present invention, Figure 3 is a surgical operation of the present invention Figure 4 is a perspective view showing a state after the operation of the handpiece for the device, Figure 4 is a side view showing a state after the operation of the handpiece for the surgical device of the present invention, 5a, 5b, 5c is a hand for the surgical device of the present invention The cross-sectional view showing the flow before and after the operation of the piece is shown.

1 to 5, a handpiece for a surgical apparatus according to an embodiment of the present invention is connected to an ultrasonic wave and / or a high frequency generating unit for generating ultrasonic waves and / or high frequencies, and includes a main body having an operation unit 40 ( 10), the shaft 20 coupled to the main body 10, the fixed anvil plate 31 located at the end of the shaft 20, and the fixed type while rotating in accordance with the operation of the operation unit 40 In addition to the anvil plate 31 includes a rotating anvil plate 32 for clamping the tissue of the surgical site for coagulation and incision, the operation portion 40 is a fixed portion 41 and the rotary anvil plate 32 It is to include a trigger 42 to rotate, the trigger 42 is configured to be coupled to the fixing portion 41 through the guide rod (42a) to enable forward and backward movement by the operator.

In addition, the fixed part 41 rotates the rotating anvil plate 32 away from the fixed anvil plate 31 when the trigger 42 moves forward, and when the trigger 42 moves backward from the operator's pressing. Rotating the rotating anvil plate 32 in a direction in close contact with the stationary anvil plate 31 is configured to connect a plurality of link members 50 made by pressing rotation to maintain a constant clamping state of the end effector for the tissue And first to fourth links 51, 52, 53, and 54.

The first and second links 51 are rotatably coupled to the fixing part 41 around the fixed hinge h1.

That is, the first and second links 51 and 52 perform only the up and down rotational movement about the fixed hinge h1 without flow.

Both ends of the third link 53 are rotatably connected to the first and second links 51 and 52 through the flow hinge h2, and the third link 53 is pressed according to the backward movement of the trigger 42. It is configured to flow while utilizing the first and second links 51 and 52 as supports.

The fourth link 54 is rotatably connected to the first link 51 through the flow hinge h2 together with the third link 53, and the other end of the rotatable anvil plate 32. It is connected to the yoke 55 for rotating the yoke 55 to operate the yoke 55 during the rotational flow of the third link 53, and thus the rotating anvil plate 32 connected to the yoke 55 ) Rotates away from the fixed anvil plate 31 as shown in FIG. 2 attached to the hinge, or rotates in close contact with the fixed anvil plate 31 as shown in FIG. It is configured to clamp.

At this time, both ends of the spring (60) is connected to the guide rod (42a) and the second link (52), the spring (60) is the third link (53) in response to the backward movement of the trigger (42) When it is pressed, it is extended, and when the pressing pressure on the third link 53 is released from the forward movement of the trigger 42, compression is performed, and the first to fourth links included in the link member 50 are included. It is configured to return the (51) (52) 53 (54) to the original position.

That is, the handpiece for the surgical device according to the embodiment of the present invention, as shown in Figures 1 and 2 attached, first when the operator does not press the trigger 42, the third link (53) included in the link member 50 ) Is not pressurized, so that rotation of the fourth link 54 connected to the third link 53 does not occur.

Then, the operation of the yoke 55 connected to the fourth link 54 is not made, the rotating anvil plate 31 connected to the yoke 55 is a fixed anvil around a hinge (not shown) The rotation is separated from the plate 32 is made.

On the other hand, for coagulation and dissection of tissues having different bioimpedance characteristics (eg, arteries, veins, gastrointestinal tract, mesentery, fat, liver, kidney, stomach, spleen, prostate, etc.), the clamping of the tissues is to be performed. In this case, the operator presses the trigger 42, as shown in FIGS.

Then, the trigger 42 is moved backward in the direction of the fixing portion 41 by the guide rod 42a, the third link 53 of the link member 50 formed in the fixing portion 41 While the pressurization is made, the first and second links 51 and 52 are supported as the rotational flow in the upward direction.

At this time, the spring 60 connected to both ends of the guide rod 42a and the third link 53 is extended, and at the same time, the fourth link 54 connected to the third link 53 is the third. The yoke 55 is operated from the upward rotational flow of the link 53 so that the rotatable anvil plate 32 is centered on the hinge in the direction of the stationary anvil plate 31 from the operation of the yoke 55. While rotating, the clamping of the tissue with the stationary anvil plate 31, as well as the end effect of the clamping can be kept constant.

That is, the trigger 42 is a linear movement of the forward or backward in the state coupled to the fixing portion 41 through a plurality of guide rods (42a), the force of the operator for pressing the trigger 42 It can be kept constant, so that the end effect clamping state of the tissue by the fixed anvil plate 31 and the rotary anvil plate 32 can also be kept constant.

Therefore, when the end effect clamping state of the tissue by the fixed anvil plate 31 and the rotary anvil plate 32 is maintained as described above, when ultrasonic and / or high frequency is applied to the handpiece, Coagulation and incision procedures can proceed normally.

Here, when releasing the pressing pressure of the trigger 42, the spring 60 connected to both ends of the guide rod 42a and the second link 52 is extended from the pressing pressure release of the trigger 42 Since the elastic action is compressed at the second link, the second link 52 from the compression elastic action of the spring 60 is rotated to return to the original position around the fixed hinge h1, accordingly, the second link The third link 53 coupled to the flow hinge h2 at 52 also rotates downwardly by the second link 52.

At this time, one end is connected to the third link 53 by the flow hinge h2 and the other end rotates about the fixed hinge h1 to the rotational flow of the third link 53. As a result, the rotating hinge returns to its original position with respect to the fixed hinge h1, and is connected to the first link 51 together with the third link 53 through the floating hinge h2. The four links 54 are also rotated to return to their original position, causing the yoke 55 to return to its original position.

Then, as shown in FIGS. 1 and 2 attached from the return operation of the yoke 55, the rotary anvil plate 32 is to return from the fixed anvil plate 31 around the hinge.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be easy to understand. It is also to be understood that the technical spirit of the invention is also deemed to belong to the scope of the appended claims if the practice of such improvements, alterations, substitutions or additions falls within the scope of the appended claims.

10; A body 20; shaft
31; Fixed anvil plate 32; Rotary Anvil Plate
40; Control panel 41; [0035]
42; Trigger 42a; Guide rod
50; Link member 51; First link
52; Second link 53; 3rd link
54; Fourth link 55; York
60; spring

Claims (3)

A main body connected to an ultrasonic wave and / or a high frequency generator for generating an ultrasonic wave and / or a high frequency wave and having an operation portion; A shaft coupled to the body; A fixed anvil plate positioned at the end of the shaft; And a rotating anvil plate for clamping the tissue of the surgical site for solidification and incision with the fixed anvil plate while rotating in accordance with the operation of the operation unit; In the handpiece comprising:
The operation unit includes a fixing unit and a trigger for rotating the rotatable anvil plate, wherein the trigger is configured to be coupled to the fixing unit through a guide rod to be moved back and forth by the operator,
The fixed part rotates the rotary anvil plate away from the fixed anvil plate when the trigger moves forward, and rotates the rotary anvil plate in a direction in close contact with the fixed anvil plate when the trigger moves backward when the operator pushes. It is configured to connect the link member is pressed and rotated to maintain a constant clamping state of the end effector to the tissue,
The link member
First and second links rotatably coupled to a fixed hinge about the fixed part;
A third link rotatably coupled to the first and second links through a flow hinge, the third link being rotated while being pressed according to the backward movement of the trigger; And
A fourth link, one end of which is rotatably coupled to the first link with the third link through a flow hinge, and the other end of which is connected to a yoke for rotating the rotatable anvil plate; Handpiece for surgical device, characterized in that comprising a. delete The guide rod and the second link of claim 1, wherein the guide rod and the second link are elongated when the third link is pressed in response to the backward movement of the trigger, and are compressed when the pressing pressure on the third link is released from the forward movement of the trigger. And connecting both ends of the spring to return the first to fourth links to their original positions.

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