WO2016003025A1

WO2016003025A1 - Clip tip rotation-type medical ultrasonic cutter

Info

Publication number: WO2016003025A1
Application number: PCT/KR2014/010764
Authority: WO
Inventors: 한희상
Original assignee: 한희상
Priority date: 2014-07-01
Filing date: 2014-11-10
Publication date: 2016-01-07
Also published as: KR101599765B1; KR20160003443A

Abstract

The present invention relates to a clip tip-rotation type medical ultrasonic cutter, and specifically, to a clip tip-rotation type medical ultrasonic cutter which is an ultrasonic cutter used in the process of laparoscopic surgery and has a structure allowing the rotation of a clip tip within a certain angle range according to the location of a grasping site or a cutting site. The ultrasonic cutter inserted inside a human body for grasping a portion of the human body or cutting a portion of the human body comprises: a handle unit (11); a rotation unit (12) which is coupled to the front of the handle unit (11); an adjustment bar (13) which adjusts the operation of the rotation unit (12); an accommodation tube (14) which is coupled to the rotation unit (12); a connection tube (16) which accommodates an ultrasonic transducer; a clip tip (17) which is disposed on the front of the connection tube (16); and a rotation joint (15) which rotatably connects the connection tube (16) and the accommodation tube (14), wherein the clip tip (17) is rotatable according to the operation of the rotation unit (12), and the rotation joint (15) rotates according to the rotation of the clip tip (17).

Description

Medical Ultrasonic Cutting Machine with Clip Tip Rotation

The present invention relates to a medical ultrasonic cutting machine of the clip tip rotation method, and more specifically, a clip tip having a structure in which the clip tip can be rotated in a predetermined angle range according to the position of the gripping portion or the cutting portion in the ultrasonic cutting machine used in laparoscopic surgery It relates to a medical ultrasonic cutting machine of a rotation method.

Laparoscopic surgery is generally applied to treat a variety of internal diseases by putting a laparoscopic camera attached to the stomach without incision. And an ultrasonic cutting machine may be used to cut a part of the body such as the stomach or the large intestine during laparoscopic surgery. Ultrasonic cutting machine refers to a surgical tool for holding a part of the body and transmitting the ultrasonic wave to the cutting area to burn the area with heat. Such ultrasonic cutters are known in the art.

Prior art related to ultrasonic cutting machines is US Pat. No. 6,893,434 Ultrasonic soft tissue cutting and coagulation systems including a retractable grasper. The prior art discloses an ultrasonic cutter for generating an ultrasonic wave, a grip assembly connected to the transducer, the grip assembly comprising a blade part and a gripping tooth movable relative to the blade part along an axial direction. do.

Another prior art associated with ultrasonic cutting machines is US Patent Publication No. US 2007/0191713 Ultrasonic Device for Cutting and Coagulating. The prior art discloses an ultrasonic cutter comprising an ultrasonic waveguide, a blade connected to an end of the ultrasonic waveguide, a tissue pad and a clamp member movable relative to the blade.

The ultrasonic cutter disclosed in the prior art includes a clamp that is relatively movable relative to the blade but does not disclose a structure in which the clamp is rotatable. In the case of the ultrasonic cutting machine which is inserted into the laparoscope, the gripping portion may be rotated according to the position of the cutting portion or the position of the gripping portion, and thus, it may be advantageous not to change the position of the ultrasonic cutting machine itself. On the other hand, a part that cannot be gripped by a cutter extending in a linear shape according to the position of the cutting portion may be generated. However, the prior art does not provide a solution to this problem.

The present invention is to solve the problems of the prior art has the following object.

It is an object of the present invention to provide a medical ultrasonic cutter having a rotatable structure of a clip tip.

According to a suitable embodiment of the invention, the ultrasonic cutting machine comprises a handle unit; A rotating unit coupled to the front of the handle unit; An adjustment bar for adjusting the operation of the rotating unit; A receiving tube coupled to the rotating unit; A connection tube in which the ultrasonic transducer is received; A clip tip disposed at the front of the connecting tube; And a rotary joint rotatably connecting the connecting tube and the receiving tube, wherein the clip tip can be rotated according to the operation of the rotary unit, and the rotary joint is rotated according to the rotation of the clip tip.

According to another suitable embodiment of the present invention, it further comprises a pipe frame disposed inside the receiving tube and a rotating bar disposed inside the pipe frame, one end of which is connected to the connecting tube.

According to another suitable embodiment of the present invention, the rotary unit has one end coupled to a connecting plate coupled to the adjustment bar, a moving block coupled to be movable below the connecting plate, a fixed block coupled to the movable block, and a fixed block. The rotating bar is made.

The ultrasonic cutting machine according to the present invention has a structure in which a clip tip corresponding to a cutting or gripping portion can be rotated from side to side, thereby allowing gripping or cutting of various portions without changing the position of the ultrasonic cutting machine during a surgical procedure. Has It also has the advantage of simplifying the surgical process by making it easy to change the site of gripping or cutting as needed. In addition, the ultrasonic cutting machine according to the present invention has the advantage that the structure is simplified by allowing the ultrasonic transducer to be positioned adjacent the clip tip while at the same time reducing the power required by the ultrasonic transducer.

1A and 1B show a front view and a plan view of an embodiment of an ultrasonic cutting machine according to the present invention.

2a and 2b respectively show an embodiment of the receiving tube and pipe frame applicable to the ultrasonic cutting machine according to the present invention.

3a to 3e illustrate an embodiment of a rotating unit that can be applied to the ultrasonic cutting machine according to the present invention.

Figure 4 shows an embodiment of an ultrasonic transducer that can be applied to the ultrasonic cutting machine according to the present invention.

Figure 5a shows an embodiment of a clip tip that can be applied to the ultrasonic cutting machine according to the present invention

Figure 5b shows an embodiment of the operation of the clip tip that can be applied to the ultrasonic cutting machine according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the embodiments set forth in the accompanying drawings, but the embodiments are provided for clarity of understanding and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, and thus are not repeatedly described unless necessary for understanding of the invention, and well-known components are briefly described or omitted. It should not be understood to be excluded from the embodiment of.

1A and 1B, the ultrasonic cutting machine 10 according to the present invention includes a handle unit 11; A rotating unit 12 coupled to the front of the handle unit 11; An adjusting bar 13 for adjusting the operation of the rotating unit 12; A receiving tube 14 coupled to the rotating unit 12; A connecting tube 16 in which the ultrasonic transducer is received; A clip tip 17 disposed in front of the connecting tube 16; And a rotary joint 15 rotatably connecting the connecting tube 16 and the receiving tube 14, wherein the clip tip 17 is rotatable according to the operation of the rotary unit 12 and the clip tip The rotary joint 15 is rotated in accordance with the rotation of 17.

Ultrasonic cutting machine according to the present invention can be used in laparoscopic surgery and may have the function of, for example, by cutting the stomach, duodenum or the like by fixing the organs inside the human body. However, it can be applied to various surgical or medical procedures as needed and is not limited to laparoscopic surgery.

The handle unit 11 is coupled to the front of the outer case (C), the outer case (C) to accommodate the operation-related parts, the handle 112 to control the operation of the clip tip 17, the top of the handle 111 It may be made of an operation button 112 and the auxiliary case (C1) attached to the to control the operation of the ultrasonic transducer. Inside the handle unit 11 may be arranged such as a circuit for controlling the operation of a printed circuit board or a transducer comprising for example a microprocess. In addition, various parts or components for operating the handle 111 or the operation button 112 may be disposed inside the handle unit 11, and the present invention provides a kind of the component or unit disposed in the handle unit 11. It is not limited by. The handle unit 11 may have various structures known in the art and for example, the operation of the clip tip 17 according to the operation of the handle 111 may be made according to the structure known in the art.

The rotating unit 12 may have a function of adjusting the rotation of the clip tip 17. The clip tip 17 may be rotated left and right or up and down by the operation of the adjustment bar 13 coupled to the rotation unit 12. The rotary unit 12 can be connected with the clip tip 17 or the ultrasonic transducer via suitable connecting means and in accordance with the operation of the adjustment bar 13 the rotary unit 12 can be operated to rotate the clip tip 17. Can be. As the clip tip 17 rotates, the connecting tube 16 rotates with respect to the rotary joint 15. Due to such a structure, the receiving tube 14 may be rotated in a predetermined direction by the adjustment of the control bar 13 in a fixed state in a predetermined direction.

Inside the receiving tube 14 there may be arranged a component for the operation of the clip tip 17, a component for the rotation of the clip tip 17 and a component for the operation of the transducer. The receiving tube 14 may have a hollow cylinder shape and may extend in a straight shape to an appropriate length. If necessary, the receiving tube 14 may be made to be adjustable in length.

An ultrasonic transducer may be received in the connecting tube 16 and the clip tip 17 may be coupled to one end of the connecting tube 16. The other end of the connecting tube 16 can also be connected to the receiving tube 14 by a rotary joint 15.

The rotary joint 15 may have a function of rotatably connecting the receiving tube 14 and the connecting tube 16 and may be made, for example, of a hinge structure. Specifically, in a position where the receiving tube 14 is fixed in a predetermined direction, the connecting tube 16 may be rotated left and right or up and down about the rotary joint 15 together with the clip tip 17. Due to this rotation, the receiving tube 14 and the connecting tube 16 can be made in a bent structure at the rotary joint 15. The rotary joint 15 can have various rotary connection means and can have a hinged coupling structure, for example. Specifically, as shown below in FIG. 1B, at least one first connecting connector 151a having a fastening hole at one end of the receiving tube 14 may be formed. A second connection connector 151b corresponding to the first connection connector 151a may be formed at one end of the connection tube 16 facing the receiving tube 14. The first connection connector 151a and the second connection connector 151b may be connected by the pin plate 152. A rotating pin 152a fastened to the first connecting connector 151a and the second connecting connector 151b may be coupled to the pin plate 152, and the connecting tube 16 may be rotated about the rotating pin 152a. Can be.

The rotary joint 15 may have various rotating structures and the present invention is not limited to the embodiment shown.

An ultrasonic transducer may be disposed inside the connecting tube 16 and the ultrasonic waves may be transmitted to a predetermined part of the human body from an ultrasonic transducer having a vibrating element such as a piezoelectric element, for example, by operation of the button 112. . Ultrasonic transducers can have any shape known in the art and the invention is not limited to the embodiments presented.

The clip tip 17 may have a structure such as a clamp, for example, and may have a function of gripping a specific region of the human organs of the stomach, large intestine or duodenum and thin. For example, the clamp function of the clip tip 17 may be operated by the operation of the handle 111. The clip tip 17 can have any structure or structure known in the art for operation.

As described above, the ultrasonic cutting machine according to the present invention is characterized in that the ultrasonic transducer is disposed inside the connecting tube 16 while the connecting tube 16 is rotated together with the clip tip 17. . And the rotation of the connecting tube 16 can be controlled by the adjustment bar (13). Therefore, the connecting tube 16 and the adjustment bar 13 must be structurally connected.

2A and 2B show an embodiment of the receiving tube 14 and the pipe frame 20 that can be applied to the ultrasonic cutting machine according to the present invention, respectively.

Referring to FIG. 2A, the receiving tube 14 may have a hollow cylinder shape extending in a straight direction. The receiving tube 14 may consist of a handle unit engaging portion 141, a rotating unit engaging portion 142, a straight extending portion 143 and the first connecting connector 151a described above. The first connection connector 151a may be rotatably coupled to the second connection connector 151b.

The connecting tube 16 may have the same or similar shape as the straight extending portion of the receiving tube 14 and may have a second connecting connector 151b formed on one side and a clip fixing portion 161 formed on the other side.

The pipe frame 20 can be arranged inside the receiving tube 14 and the ultrasonic transducer can be arranged inside the connecting tube 16.

Referring to FIG. 2B, the pipe frame 20 may consist of a rotating unit fixing portion 21, a pipe extending portion 22, and a fastening unit 23. The pipe frame 20 may have a function of connecting the components disposed in the receiving tube 14 to the handle unit or the rotating unit and the components disposed on the connecting tube or the clip tip to each other. For example, the fastening unit 23 may be connected to the ultrasonic transducer, and a rotary bar may be disposed inside the pipe frame 20 to connect the rotary unit and the ultrasonic transducer to each other.

This connection structure will be described below.

3a to 3e show an embodiment of the adjustment bar 13 and the rotating unit 12 that can be applied to the ultrasonic cutting machine according to the present invention.

Referring to FIG. 3A. It can be operated by the adjustment bar 13 of the rotary unit 12 and the rotary bar 31 can be advanced or reversed by the rotary unit 12. Specifically and the rotating unit 12 is coupled to the connecting plate 34 coupled to the adjustment bar 13, the moving block 35 coupled to the bottom of the connecting plate 34 so as to be movable, and the moving block 35. And it may be made of a fixed block 36 coupled to the rotary bar (31). The fastening pin 33 may be coupled to the end of the rotation bar 31.

The rotary bar 31 may be straight plate-shaped and may be connected to the ultrasonic transducer or the connection tube by fastening pins 33 fixed at one end. The rotary bar 31 may be arranged inside the pipe frame described above. By the adjustment of the adjustment bar 13, the connecting plate 34 can be moved, so that the moving block 35 and the fixed block 36 coupled to the moving block 35 are located at the bottom of the connecting plate 34. It can be moved along a predetermined direction. In addition, the rotation bar 31 connected to the block 36 may be moved. The adjusting bar 13 and the fixing block 36 may be connected to each other by the fixing pin 37 and the fixing pin 37 may be fixed to the fastening hole formed in the rotation bar 31. The fastening hole may be made into a long groove shape to form a free space.

The rotary unit 12 may be formed in a variety of structures and described below for each of the components forming the rotary unit 12, but the present invention is not limited thereto.

FIG. 3B shows the upper part of the connecting plate 34 and FIG. 3C shows the lower part of the connecting plate 34.

3B and 3C, the connecting plate 34 includes a body 341, a fastening groove 341 coupled with the adjustment bar 13, and an inclined groove 343 for the movement of the moving block 35. can do. The inclined groove 343 may be formed in a shape in which the rectangular body 341 extends along an edge facing each other below.

Referring to FIG. 3D, the movable block 35 includes a fixed body 351, a moving protrusion 352 and a fixed body protruding upward from the fixed body 352 to be movable along the inclined groove 343. It may consist of a pair of balance plates 353 extending downward from both sides of 351. The moving block 35 may be stably fixed to the fixed block 36 by the pair of balance plates 353.

Referring to FIG. 3E, the fixing block 36 includes a block body 361, a bar fixing portion 362 to which the rotation bar 31 is fixed, and a block fastening groove 363 to which the moving block 35 is fixed. can do. The block body 361 may be a semi-cylindrical shape as a whole and a groove may be formed in a central portion along the longitudinal direction. The rotary bar 31 may be coupled to either side of the groove of the central portion. As such, the rotation bar 31 may be deflected and fixed to one side of the fixing block 36. The other end of the rotary bar 31 may likewise be fixedly biased to one part of the ultrasonic transducer.

Hereinafter, an embodiment of the ultrasonic transducer will be described.

Referring to FIG. 4, the ultrasonic transducer 40 may be formed as an upper unit 41a and a lower unit 41b and may have a cylindrical shape as a whole. And the waveguide unit 42 for inducing the ultrasonic wave to the clip tip in front of the ultrasonic transducer 40 may be disposed, and the connecting unit 43 may be disposed behind the ultrasonic transducer 40. One end of the clip tip may be fixed to the fixed connector 421 formed in the waveguide unit 42, and a fastening unit (see 23 in FIG. 2B) formed in the pipe frame may be connected to the connection unit 43. In detail, the fastening unit may be connected to the pipe fixing hole 431 formed in the connection unit 43. On the other hand, the rotary bar 31 may be connected to the rotary bar fixing hole 44 formed on one side of the ultrasonic transducer 40. As the rotary bar 31 is connected to the ultrasonic transducer 40, the ultrasonic transducer 40 may be rotated in one direction by the forward and backward movement of the rotary bar 31. And the connection tube can be rotated in accordance with the adjustment of the adjustment bar around the rotary connector. Such as an operation button for the operation of the ultrasonic transducer 40 may be installed in a device such as a handle unit, for example.

Ultrasonic transducer 40 may be made of various structures rotatable fixed to the connecting tube and the present invention is not limited to the embodiments shown.

Ultrasound generated by the ultrasonic transducer 40 may be transmitted to the body part to be cut through the clip tip.

Figure 5a shows an embodiment of a clip tip 17 that can be applied to the ultrasonic cutting machine according to the present invention.

Referring to FIG. 5A, the clip tip 17 is fixed to the tip base 51, the clip cover 52 coupled to the tip base 51, and the cover 52 to transmit ultrasonic waves generated from the ultrasonic transducer. It may be made of a transfer element 53.

The tip base 51 is composed of a body 511 having a streamlined shape, a coupling groove 512 formed in the longitudinal direction of the body 511 and a connector portion 513 fixed to a slide frame engaged with a pipe frame or a pipe frame. Can be. The clip cover 52 is formed at the bottom of the cover body 521, the cover body 521, the fixing extension protrusion 522 inserted into the coupling groove 512, and the member fixing groove formed above the cover body 521 ( 523). The ultrasonic wave transmitting element 53 may be formed of a transmission portion 531 fixed to the element fixing groove 523 and an element head 532 fixed to the clip 51 while extending in a rod shape.

As described above, the ultrasonic transducer according to the present invention may be installed in a connecting member connected with the clip tip 17. In addition, the ultrasonic waves generated by the ultrasonic transducer are transmitted to a predetermined portion of the body through the element head 532 and the transfer portion 531 so that a specific portion of the body is cut by heat. The ultrasonic transducer is placed adjacent to the clip tip 17 to be delivered by the delivery element 53 to a predetermined part of the human body, which has the advantage of simplifying the structure. It also has the advantage that the noise generation is reduced while the loss is reduced during the ultrasound delivery process. It further has the advantage of enabling the generation of the ultrasonic waves required for cutting with a small power.

The clip tip 17 can have a variety of structures and the invention is not limited to the embodiments shown.

Figure 5b shows an embodiment of the operation of the clip tip 17 that can be applied to the ultrasonic cutting machine according to the present invention.

Referring to FIG. 5B, the ultrasonic transducer 40 installed inside the connection tube may transmit ultrasonic waves for cutting through the transmission element 53 disposed on the clip tip 17. The tip base 51 and the clip cover 52 may be rotated downward with respect to the connector portion 513 so as to grasp a predetermined portion inside the human body to be separated from the transmission element 53. In addition, the tip base 51 and the clip cover 52 are rotated again to hold the cutting portion, and thus the cutting portion may be fixed by the transfer element 53 and the clip cover 52. And the movement of the cutting portion may be limited by the protrusion formed on the clip cover 52. In this state, ultrasonic waves may be generated from the ultrasonic transducer 40 to be transmitted to the transmission element 53, and the human body part contacted with the transmission element 53 may be cut.

The embodiment shown in FIG. 5B is exemplary and the clip tip according to the present invention may be operated in various ways and the present invention is not limited to the present embodiment.

Although the present invention has been described in detail above with reference to the presented embodiments, those skilled in the art may make various modifications and modifications without departing from the technical spirit of the present invention with reference to the presented embodiments. . The invention is not limited by the invention as such variations and modifications but only by the claims appended hereto.

Claims

In the ultrasonic cutting machine for inserting the inside of the human body to hold a part of the human body or cut a part of the human body,

A handle unit 11;

A rotating unit 12 coupled to the front of the handle unit 11;

An adjusting bar 13 for adjusting the operation of the rotating unit 12;

A receiving tube 14 coupled to the rotating unit 12;

A connecting tube 16 in which the ultrasonic transducer is received;

A clip tip 17 disposed in front of the connecting tube 16; And

A rotary joint 15 rotatably connecting the connecting tube 16 and the receiving tube 14,

Ultrasonic cutter, characterized in that the rotation of the clip tip (17) is possible in accordance with the operation of the rotary unit (12) and the rotary joint (15) is rotated in accordance with the rotation of the clip tip (17).
The method according to claim 1, further comprising a pipe frame 20 disposed inside the receiving tube 14 and a rotary bar 31 disposed inside the pipe frame 20, one side of the rotary bar 31 Ultrasonic cutting machine, characterized in that the end is connected to the connecting tube (16).
The method of claim 1, wherein the rotation unit 12 is a connecting plate 34 coupled to the adjustment bar 13, a moving block 35, a moving block 35 coupled to be movable below the connecting plate 34, Ultrasonic cutter, characterized in that consisting of a fixed block (36) coupled to one end and a rotating bar (31) coupled to the fixed block (36).