KR20220075876A - Surgical polymer clip applier - Google Patents

Abstract

According to the present invention, the polymer clip is sequentially disposed inside the shaft unit, not the cartridge unit, and the polymer clip is moved to the firing position by pneumatic pressure only by one operation of the handle unit to automatically load, and the polymer clip is ligated in the loading state As the ligation is performed by the unit, the stability and accuracy of the clip firing are improved to promote the convenience of patients and users, and when the use of the titanium clip is necessary during the use of the polymer clip, it is selectively detachably installed on one side of the handle unit. Replace only the shaft unit and use the handle unit in common, and when the pneumatic pressure of the pneumatic tank is exhausted, only the pneumatic tank can be replaced simply and quickly. it's about

Description

Surgical polymer clip applier

The present invention relates to a surgical polymer clip launch device, and more particularly, the polymer clip is sequentially disposed inside the shaft unit rather than the cartridge unit, and the polymer clip is moved to the firing position by pneumatic pressure with only one manipulation of the handle unit. It is automatically loaded by moving it, and as ligation is performed by the ligation unit while the polymer clip is loaded, the stability and accuracy of clip firing are improved to promote convenience for patients and users, and the use of titanium clips while using the polymer clip is reduced. When necessary, only the shaft unit that is selectively detachably installed on one side of the handle unit is replaced, and the handle unit is used in common. It relates to a surgical titanium clip launcher that can prevent wastage of resources.

In general, during a surgical operation, a surgeon must close or ligate blood vessels and other conduits at the surgical site before incision to prevent excessive bleeding and reduce the risk of other complications caused by infection.

In addition, during surgical operations such as organ resection, a procedure that requires cutting a vein or an artery or hemostasis occurs frequently. In particular, in order to prevent excessive bleeding when the blood vessel is cut, the operation of stopping both sides of the blood vessel to be cut is performed before cutting the blood vessel.

In general, hemostasis of blood vessels is accomplished by suturing or ligating blood vessels using surgical threads. However, hemostasis of blood vessels using surgical thread as described above requires manual suturing or ligation of blood vessels using needles and suture materials, so it takes a lot of time in surgery where limited space and time are limited, such as endoscopic surgery, There are also problems that are difficult to perform.

On the other hand, when ligating blood vessels using surgical threads, there is always the possibility of damage to blood vessels or separation due to loosening or slipping of the ligated surgical thread. have.

As such, today, a surgical clip has been proposed and widely used in order to solve the problem caused by using a surgical thread as described above. Since these surgical clips can be applied relatively easily and quickly compared to methods using surgical threads, their frequency of use is increasing not only in open surgery but also in endoscopic surgery. are being developed in various ways.

Therefore, at present, a ligation method using clips of various materials is widely used, and various surgical clips for this purpose have been proposed. In addition, the surgical clip is classified into a titanium clip and a polymer clip according to the purpose of the clip.

However, in the conventional surgical polymer clip launcher, the trigger must be finely and precisely adjusted to load the clip into the firing position and sequentially fire the clip one by one, so it is operated by a low-skilled doctor or has to be operated by a mechanical mechanism. As the loading and firing of clips are operated by the There were problems in that stability and accuracy were lowered, reliability was reduced, and in severe cases, the operation time of the patient was increased and recovery was delayed.

In addition, as the conventional surgical polymer clip launch device fails to automatically load the clip to the firing position, reliability is reduced and surgical accuracy is lowered. , there was a problem threatening the life of patients through the increase of medical accidents.

Furthermore, in the case of firing a polymer clip, only a surgical clip firing device dedicated to firing a polymer clip is used in the conventional surgical polymer clip firing device, and a surgical clip firing device dedicated to firing a titanium clip is used separately when firing a titanium clip. That is, the titanium clip and the polymer clip have different configurations because their firing mechanism and configuration are different as their properties and advantages and disadvantages are too different, so that the surgical clip launcher that fires the polymer clip fires only the polymer clip. And, as the surgical clip launcher that fires titanium clips fires only titanium clips, an independent surgical clip launcher must be separately purchased and used independently to use the titanium clip and the polymer clip, which increases the surgical cost. There were problems that aggravate the economic burden of the patient, cause inconvenience to the doctor, and waste resources.

In addition, the conventional surgical polymer clip launch device optimizes each configuration and component such as the shaft and handle in a module form, so that assembly and production are not performed, increasing manufacturing cost and manufacturing time, and reducing the size of the equipment. It causes inconvenience to users or operators, increases storage and transport costs, and ultimately increases the burden of surgery costs on patients, and increases the selling price, which increases medical insurance premiums, resulting in national waste.

Korean Patent Publication No. 10-2012-0018788 Korean Patent Publication No. 10-2012-0028911 Korean Patent Publication No. 10-2015-0112760 Korean Patent Publication No. 10-2020-0073008

The present invention is to solve the above problems, and an object of the present invention is that the polymer clip is sequentially disposed inside the shaft unit rather than the cartridge unit, and the polymer clip is pneumatically fired by one manipulation of the handle unit. As the ligation is performed by the ligation unit while the polymer clip is loaded, the stability and accuracy of the clip firing are improved to promote convenience for the patient and user, and the surgery time is shortened for quick recovery of the patient. When the use of a titanium clip is necessary during use of the polymer clip fired through the shaft unit and the ligation unit, only the polymer clip shaft unit installed detachably and detachably to one side of the handle unit is a titanium clip shaft. Replace with a unit, and the handle unit is used in common with the polymer clip shaft unit. Reduce costs and prevent wastage of resources, improve assembly and productivity, reduce manufacturing costs and manufacturing time, and promote storage and transport convenience through compactness, ultimately reducing manufacturing cost and maximizing customer satisfaction. It relates to a surgical polymer clip launcher.

In order to achieve the object of the present invention, the surgical polymer clip launcher according to the present invention is a surgical polymer clip launcher that fires a polymer clip for ligation of blood vessels or tubular tissue, wherein the polymer clip is loaded by pneumatics and the a handle unit for ligating blood vessels or tubular tissues with a polymer clip; a shaft unit detachably installed on one side of the handle unit; and a ligation unit formed on one side of the shaft unit to ligate the polymer clips, wherein a plurality of the polymer clips are sequentially fired and spaced apart at regular intervals along the horizontal direction of the shaft unit. can be placed in

In addition, in another preferred embodiment of the surgical polymer clip launch device according to the present invention, the shaft unit of the surgical polymer clip launch device has a cavity in the center and is formed to extend in the horizontal direction so that the ligation unit is disposed on one side, , The other side is a round bar that is inserted into the control unit; a transfer unit which is inserted and disposed inside the round bar and is disposed and stored at regular intervals in a horizontal direction with a plurality of the polymer clips; a draw bar extending in the horizontal direction and inserted adjacent to the transfer unit inside the round bar to load the polymer clip stored in the transfer unit into the ligation unit; and a connecting part having one side connected to the draw bar to move the draw bar forward.

In addition, in another preferred embodiment of the surgical polymer clip launch device according to the present invention, one side of the shaft unit of the surgical polymer clip launch device is fastened to the connection part, and the other end is in contact with the slide part to prevent the moving part from moving forward. an extension unit for moving the connection unit forward; and a holder portion detachably coupled to an outer circumferential surface of one side of the round bar portion to fix and support the shaft unit to the adjustment portion.

In addition, in another preferred embodiment of the surgical polymer clip launch device according to the present invention, the transport portion of the shaft unit of the surgical polymer clip launch device is formed to be spaced apart from the transport part by a predetermined distance in the horizontal direction so that each of the polymer clips is and a waiting portion arranged, wherein the draw bar includes a hook portion formed to be spaced apart from each other by a predetermined distance along the horizontal direction to correspond to the spacing of the waiting portion along the horizontal direction of the front end of the draw bar, and the connecting portion may include; a first elastic member inserted into the outer circumferential surface of the connecting portion to elastically press the connecting portion, and the extension portion may include a second elastic member inserted and disposed in the outer circumferential surface of the expanded portion to elastically press the expanded portion. have.

Further, in another preferred embodiment of the surgical polymer clip launch device according to the present invention, the ligation unit of the surgical polymer clip launch device includes a bridge portion disposed inside one side of the round bar portion; a first clamping part having one side pivotally fastened around a clamping shaft disposed at the tip of the bridge part to fasten the polymer clip; and a second clamping part having one side pivotally fastened to face the first clamping part about the clamping shaft disposed at the front end of the bridge part to correspond to the second clamping part to fasten the polymer clip. part includes a guide groove penetrating through the center of the tip of the first clamping part to fix and support the upper tip of the polymer clip, and the second clamping part includes a tip of the lower part of the polymer clip to prevent separation of the polymer clip. and a blocking part extending vertically upward along the side surface and the front surface of the second clamping part to support the side surface.

The surgical polymer clip launch device according to the present invention automatically loads the polymer clip by moving the polymer clip to the firing position by pneumatic only by one manipulation of the handle unit, and as ligation is performed by the ligation unit in the loading state of the polymer clip, the clip It has the effect of maximizing reliability and satisfaction by improving the stability and accuracy of firing.

In addition, in the surgical polymer clip launch device according to the present invention, the clip stored in the transfer part of the shaft unit is automatically loaded to the firing position of the ligation unit by pneumatic pressure, so that the stability and accuracy of firing the clip are increased without depending on the skill of the doctor. Accordingly, it has the effect of maximizing the satisfaction of the patient by promoting the convenience of the user, the doctor, shortening the operation time, promoting the patient's rapid recovery, and preventing medical accidents in advance.

Furthermore, the surgical polymer clip launch device according to the present invention is a polymer clip that is detachably coupled to one side of the handle unit so as to be selectively replaced when the use of a titanium clip is required in addition to the polymer clip fired through the shaft unit and the ligation unit. The shaft unit can be replaced quickly and easily with only the titanium clip shaft unit, and the handle unit is commonly used regardless of the type of titanium clip and polymer clip, titanium clip shaft unit and polymer clip shaft unit. In this case, only the polymer clip shaft unit or the pneumatic tank can be simply and quickly replaced so that the handle unit can be used repeatedly, thereby reducing the cost of surgery and preventing wastage of resources.

In addition, the surgical polymer clip launch device according to the present invention produces each part individually in a modular form, and is easily detachable and assembled to improve assembly and productivity, thereby reducing manufacturing cost and manufacturing time, and through compaction Ultimately, by reducing the manufacturing cost of the surgical clip launcher by promoting storage and transport convenience, it is possible to maximize consumer satisfaction, expand medical benefits, and reduce the burden of medical insurance to improve national stability and increase exports. there is an effect

1 is a perspective view of a surgical polymer clip launch device according to an embodiment of the present invention in a state in which the polymer clip shaft unit is mounted.
FIG. 2 is a cross-sectional view taken along line AA of FIG. 1 .
3 and 4 are cross-sectional views illustrating an operating state in which the clip of the surgical polymer clip launcher is ligated according to an embodiment of the present invention.
5 and 6 show a cross-sectional view of an operating state in which the clip of the surgical polymer clip launcher is loaded according to an embodiment of the present invention.
7 is an exploded perspective view of the shaft unit of the surgical polymer clip launch device according to an embodiment of the present invention.
8 is an exploded perspective view of the ligation unit of the surgical polymer clip launch device according to an embodiment of the present invention.
Figure 9 shows a conceptual diagram according to a partial expansion of the surgical polymer clip launch device according to an embodiment of the present invention.
10 is a perspective view of a handle unit of a surgical polymer clip launch device according to an embodiment of the present invention.
11 is a cross-sectional view taken along line CC of FIG. 10 .
12 is a cross-sectional view taken along line CC of FIG. 10 in a state in which the pneumatic supply part of the handle unit shown in FIG. 10 is fully opened.
13 to 15 are conceptual views for explaining the operating principle of loading and ligating a polymer clip through manipulation of the handle unit of the surgical polymer clip launch device according to an embodiment of the present invention.

Hereinafter, with reference to the drawings of the surgical polymer clip launch device according to an embodiment of the present invention will be described in detail. The embodiments introduced below are provided as examples so that the spirit of the present invention can be sufficiently conveyed to those skilled in the art. Accordingly, the present invention is not limited to the embodiments described below and may be embodied in other forms. And, in the drawings, the size and thickness of the device may be exaggerated for convenience. Like reference numbers refer to like elements throughout.

Advantages and features of the present invention, and a method for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in a variety of different forms, only these embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention pertains It is provided to fully inform the possessor of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout. The sizes and relative sizes of layers and regions in the drawings may be exaggerated for clarity of description.

The terminology used herein is for the purpose of describing the embodiments, and thus is not intended to limit the present invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, "comprise" and/or "comprising" refers to the presence of one or more other components, steps, operations and/or elements mentioned. or addition is not excluded.

1 is a perspective view of a surgical polymer clip launch device according to an embodiment of the present invention in a state in which the polymer clip shaft unit is mounted, and FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 . 3 and 4 are cross-sectional views illustrating an operating state in which the clip of the surgical polymer clip launcher is ligated according to an embodiment of the present invention. 5 and 6 show a cross-sectional view of an operating state in which the clip of the surgical polymer clip launcher is loaded according to an embodiment of the present invention. 7 is an exploded perspective view of the shaft unit of the surgical polymer clip launch device according to an embodiment of the present invention. 8 is an exploded perspective view of the ligation unit of the surgical polymer clip launch device according to an embodiment of the present invention. Figure 9 shows a conceptual diagram according to a partial expansion of the surgical polymer clip launch device according to an embodiment of the present invention. 10 is a perspective view of a handle unit of a surgical polymer clip launch device according to an embodiment of the present invention. 11 is a cross-sectional view taken along line C-C of FIG. 10 . 12 is a cross-sectional view taken along line C-C of FIG. 10 in a state in which the pneumatic supply part of the handle unit shown in FIG. 10 is fully opened. 13 to 15 are conceptual views for explaining the operating principle of loading and ligating a polymer clip through manipulation of the handle unit of the surgical polymer clip launch device according to an embodiment of the present invention.

Definitions of terms used below are as follows. "One side" means the left side of each component in FIGS. 1 to 15, and "the other side" means the opposite side of one side of the same member, that is, the right side of each member in FIGS. 1 to 15 . In addition, "one end" means the upper part of each component in FIGS. 1 to 15, and "the other end" means the opposite part of one end of the same member, that is, the lower part of each member in FIGS. 1 to 15 do. If, unlike FIGS. 1 to 15, when the handle unit is located on the left side, the definitions of one side and the other side are opposite to each other. "Horizontal direction" means a horizontal direction in the same member, that is, a direction from right to left or left to right in FIGS. 1 to 15, and "vertical direction" means a vertical direction in the same member while being perpendicular to the horizontal direction, that is 1 to 15 , it means a height direction from the bottom to the top or from the top to the bottom. In addition, upward (upper) means an upward direction in "vertical direction", that is, an upward direction in FIGS. 1 to 15, and downward (lower) means a downward direction in "vertical direction", that is, in FIGS. It means downward direction. In addition, the inside (inside) means the inside of each component shown in FIGS. 1 to 15, that is, the inside included in the boundary surface of the same member toward the relatively close to the center of the same member, and the outside means the inside of the same member relatively close to the center. means outward from the same member or from each part to the far side.

1 to 15 will be described with reference to the surgical titanium clip launch device (1) according to the present invention. 1 to 15, the surgical titanium clip launch device 1 according to the present invention includes a handle unit 1000, a shaft unit 2000, a ligation unit 3000, and a cartridge unit 4000 do.

The handle unit 1000 loads the polymer clip 4200 by pneumatic pressure and performs a function of ligating blood vessels or tubular tissue with the polymer clip 4200 .

The shaft unit 2200 is selectively detachably installed on one side of the handle unit.

The ligation unit 3000 is formed on one side of the shaft unit to ligate the polymer clip. That is, the polymer clip is ligated to a blood vessel or tubular tissue only by one operation of the trigger part of the lever part of the handle unit. Specifically, the ligation unit 3000 connects the clip to the blood vessel or through the operation of a part (clamping part) such as a pair of jaws that operate to be closed or spread apart while facing each other by the manipulation of the trigger part. It performs the function of firing while binding to the tubular tissue. The titanium clip is loaded by moving to the firing position of the ligation unit by the pneumatic pressure of the pneumatic tank of the pneumatic supply part of the handle unit.

In addition, the surgical polymer clip launch device according to the present invention replaces the titanium clip shaft unit coupled to one side of the handle unit with a titanium clip shaft unit when the use of a titanium clip is necessary during use of the polymer clip, and the handle unit includes: used in common

That is, in order to fire the polymer clip through the ligation unit 3200, particularly the polymer clip ligation unit 3200, a plurality of polymer clips 4200 are sequentially fired into the inside of the waiting unit 2221 of the transfer unit 2220 of the shaft unit. The polymer clip shaft unit 2200 disposed along the horizontal direction of the transfer unit is detachably attached to the handle unit 1000 so that it can be replaced and used. If the use of a titanium clip is necessary, the user may have a cartridge unit for storing a plurality of titanium clips when the titanium clip is fired through the ligation unit, in particular, the titanium clip ligation unit is formed on one side of the shaft portion of the titanium clip shaft unit adjacent to the ligation unit. The titanium clip shaft unit, which is detachably coupled and installed in the receiving part, is installed and used so that it can be replaced with the handle unit.

1 and 2, a polymer clip shaft unit 2200 is selectively detachably installed on one side of the handle unit to ligate blood vessels or tubular tissue with a polymer clip 4200 among clips through the handle unit. The polymer clip 4200 is loaded into the polymer clip ligation unit 3200 formed on one side of the polymer clip shaft unit 2200 and is ligated to blood vessels or tubular tissue through manipulation of the trigger unit.

In addition, when the polymer clip shaft unit is attached to one side of the handle unit and used to ligate blood vessels or tubular tissue with the ligation unit, particularly the polymer clip ligation unit 3200, a plurality of polymer clips 4200 are stored in the cartridge unit. Rather than being, the polymer clip is arranged in a line along the horizontal direction of the polymer shaft unit so that it can be fired sequentially to the inside of the shaft unit 2200, in particular, to the waiting part 2221 of the transfer unit 2220, and these plurality of polymer clips 4200 ), the polymer clip shaft unit 2200 that can store and fire the polymer clip shaft unit 2200 so that it can be replaced on one side of the handle unit 1000 by passing through the hollow part 1211 of the operation part 1200 of the handle unit. The other side is inserted and installed.

A plurality of polymer clips are disposed inside the shaft unit to be spaced apart from each other by a predetermined interval along the horizontal direction of the shaft unit so that the plurality of polymer clips can be fired sequentially.

Specifically, as illustrated in FIGS. 1 and 2 , when a polymer clip 4200 is used, the polymer clip shaft unit 2200 is selectively detachably installed on one side of the handle unit 1000 so that the polymer clip is a polymer clip. It is loaded into the polymer clip ligation unit 3200 formed on one side of the shaft unit and is ligated to blood vessels or tubular tissue through manipulation of the trigger unit. In addition, when it is necessary to use a polymer clip for the ligation unit, particularly through the polymer clip ligation unit, a plurality of polymer clips are not stored in the cartridge unit like a titanium clip, but sequentially in the inside of the polymer clip shaft unit, especially in the waiting part of the transfer unit. The polymer clip shaft unit, which is arranged in a line along the horizontal direction of the polymer shaft unit so as to be able to fire with The other side of the polymer clip shaft unit is inserted so as to be installed.

Although not shown in the drawings, the ligation unit, particularly the titanium clip, the titanium clip is stored in the cartridge unit, the titanium clip is the clip fired through the titanium clip ligation unit, and the cartridge unit for storing a plurality of these titanium clips is replaced with the receiving part of the shaft. The other side of the titanium clip shaft unit is inserted and installed so as to be detachably installed so that the titanium clip shaft unit capable of storing and firing the titanium clip penetrates the hollow part of the control unit of the handle unit and can be replaced on one side of the handle unit.

Accordingly, the surgical polymer clip launch device according to the present invention is a polymer clip that is detachably coupled to one side of the handle unit so as to be selectively replaced when the use of a titanium clip is required in addition to the polymer clip fired through the shaft unit and the ligation unit. The shaft unit is quickly and easily replaced with only the titanium clip shaft unit, and the handle unit is commonly used regardless of the type of titanium clip and polymer clip and titanium clip shaft unit and polymer clip shaft unit. In this case, only the polymer clip shaft unit or the pneumatic tank can be simply and quickly replaced so that the handle unit can be used repeatedly, thereby reducing the operation cost and preventing the waste of resources.

1 to 9, the shaft unit 2000 of the surgical polymer clip launch device 1 according to the present invention, particularly the polymer clip shaft unit 2200, is a round bar 2210, a transfer unit 2220, It includes a draw bar 2230 , a connection part 2240 , an extension part 2250 , and/or an extension part 2260 .

The round bar 2210 is provided with a cavity in the center and is formed to extend in the horizontal direction, the ligation unit is disposed on one side, and the other side is inserted and coupled to the adjusting unit.

The transfer unit 2220 is inserted and disposed inside the round bar, and a plurality of polymer clips are arranged and stored at regular intervals along the horizontal direction. Specifically, as shown in FIGS. 2 to 9 , the transfer unit 2220 is formed to be spaced apart from the transfer unit by a predetermined distance in the horizontal direction and includes a waiting unit 2221 in which each polymer clip is arranged, and a plurality of polymer clips are provided. It is stored and placed at the base. Although not necessarily limited thereto, the waiting portion of the transfer unit may be formed in various numbers as needed, from 2 to 20,

The draw bar 2230 is formed to extend in the horizontal direction and is inserted and disposed adjacent to the transfer unit inside the round bar to load the polymer clip stored in the transfer unit to the ligation unit. In addition, as shown in FIG. 7 , the draw bar 2230 includes a hook portion 2231 formed to be spaced apart from each other by a predetermined distance along the horizontal direction to correspond to the spacing of the standby portion along the horizontal direction of the front end of the draw bar.

The connecting part 2240 has one side connected to the draw bar to move the draw bar forward. That is, the connecting portion is disposed on the other side of the round bar on the same line as the draw bar. In addition, as shown in FIG. 7 , the connection part 2240 includes a first elastic member 2241 inserted and disposed on the outer circumferential surface of the connection part to elastically press the connection part. When the pneumatic pressure supplied from the pneumatic tank by the first elastic member of the connection part is discharged to the outside by loading the polymer clip, the connection part moves backward by the elastic force of the first elastic member.

One side of the extension part 2250 is fastened to the connection part, and the other side is in contact with the slide part to move the connection part forward according to the forward movement of the moving part. That is, the extension part is disposed adjacent to the slide part on the other side of the round bar part on the same line as the connection part and the draw bar. In addition, as shown in FIG. 7 , the extension includes a second elastic member 2251 inserted and disposed on the outer circumferential surface of the extension to elastically press the extension. When the pneumatic pressure supplied from the pneumatic tank by the second elastic member of the expansion is discharged to the outside by loading the polymer clip, the expansion part also moves backward along with the connection part by the elastic force of the second elastic member. In addition, the rod part moves forward by the pneumatic pressure supplied from the pneumatic tank, the moving part moves forward according to the advance of the rod part, the extension part moves forward according to the forward movement of the moving part, and the connection part moves forward by the forward movement of the extension part, The drawbar moves forward by the forward movement of the connection part, and the hook part integrally formed on one side of the drawbar moves forward by the same amount as the forward movement amount of the drawbar by the forward movement of the drawbar. to load

The holder part 2260 is detachably coupled to the outer peripheral surface of one side of the round bar part to insert and fasten the shaft unit into the hollow part of the adjusting part and support it. After attaching and detaching the shaft unit to the handle unit by the holder part, it prevents the shaft unit from being separated during use of the shaft unit, thereby improving safety and reliability, and preventing foreign substances from entering the handle unit.

As such, the surgical polymer clip launch device according to the present invention produces each part individually in a modular form, and forms easily detachable and assembling to improve assembly and productivity, thereby reducing manufacturing cost and manufacturing time, and through compaction Ultimately, by reducing the manufacturing cost of the surgical clip launcher by promoting storage and transport convenience, it is possible to maximize consumer satisfaction, expand medical benefits, and reduce the burden of medical insurance to improve national stability and increase exports. have.

In addition, as shown in FIGS. 1 to 9, the polymer clip ligation unit 3200 of the surgical polymer clip launch device according to the present invention includes a bridge part 3210, a first clamping part 3220, and a second clamping part. (3230).

The ligation unit is installed on one side of the round bar.

The bridge part 3210 is disposed inside one side of the round bar part. That is, the bridge portion is formed to have a constant length in the horizontal direction and is inserted and coupled to one side of the round bar portion.

One side of the first clamping unit is pivotally fastened with respect to a clamping shaft disposed at the tip of the bridge unit to press and fasten one end of the polymer clip, and the second clamping unit has one side of the second clamping unit attached to the tip of the bridge unit. 1 The first clamping part is pivotally fastened to face and correspond to the first clamping part about a clamping shaft disposed to face the first clamping part in the vertical direction, and is fixed by pressing the other end of the polymer clip.

That is, the first clamping part and the second clamping part rotate with the protrusion by the turning operation of the trucker part, and as the round bar part moves forward in conjunction with the forward movement of the slide part, the clamping shaft is arranged to face each other in the vertical direction of the bridge part. The polymer clip is ligated to a blood vessel or tubular tissue by turning the first clamping part and the second clamping part in opposite directions to press one end and the other end of the polymer clip to each other, thereby enclosing the polymer clip.

As such, the surgical polymer clip launch device according to the present invention automatically loads the polymer clip by moving the polymer clip to the firing position by pneumatic only by one manipulation of the handle unit, and the ligation is performed by the ligation unit in the loading state of the polymer clip. By improving the stability and accuracy of the clip firing, reliability and satisfaction are maximized, the user's doctor's convenience is promoted, the patient's quick recovery is promoted by shortening the operation time, and the patient's satisfaction is improved by preventing medical accidents in advance. can be maximized.

In addition, as shown in FIG. 9, the first clamping part 3220 of the ligation unit 3200 of the surgical polymer clip launch device according to the present invention is the center of the tip of the first clamping part to fix and support the upper tip of the polymer clip. and a guide groove 3221 formed through the second clamping part 3230 in a vertical direction along the side and front of the second clamping part to support the tip and side surfaces of the lower part of the polymer clip to prevent the polymer clip from being separated. It includes a blocking portion 3231 extending upwardly. By means of the guide groove and blocking portion, the polymer clip is loaded to the correct firing position, and separation is prevented before firing for ligation, thereby preventing unnecessary operation of the doctor in advance. It can reduce the fatigue of the surgeon, prevent wastage of the polymer clip, and ligate the polymer clip in the correct position.

In addition, as shown in FIGS. 10 to 15 , the handle unit 1000 of the surgical polymer clip launch device 1 according to an embodiment of the present invention includes a housing unit 1100 , a control unit 1200 , and a pneumatic supply unit. 1300 , a lever unit 1400 , and an operation unit 1500 .

The housing unit 1100 includes a horizontal portion 1110 extending in a horizontal direction and a gripping portion 1120 extending vertically below the horizontal portion. That is, the housing unit 1100 forms the outer shape of the medical polymer clip launch device. Although not necessarily limited thereto, the housing unit 1100 is formed in the form of a gun as a whole, and maintains the rigidity of the lever unit, the operating unit, the adjusting unit, and the pneumatic supply unit of the handle unit 1000, and manufacturing cost and manufacturing time In order to reduce the cost, the horizontal portion and the gripping portion may be integrally formed. In addition, the housing part may be formed of a metal or plastic material. The housing serves as a handle for a user, a doctor or medical personnel, to grip and operate the surgical polymer clip launcher during surgery.

The adjusting unit 1200 is detachably coupled to one side of the horizontal part, and a part of the shaft unit is interpolated. That is, the user, the doctor, can rotate the operation unit clockwise or counterclockwise, and accordingly, the shaft unit rotates in the same clockwise or counterclockwise direction in conjunction with the operation unit, and is finally formed on one side of the shaft unit. As the ligation unit rotates clockwise or counterclockwise in the same way as the rotation direction of the operation unit in conjunction with the shaft unit, the firing position of the clip can be easily changed by the user.

The adjustment part 1200 includes a coupling part 1210 disposed at the tip of the gripping part and a hollow part 1211 formed through the inside of the coupling part, and the polymer clip shaft unit is detachable from the handle unit through the hollow part. are tightly coupled

The pneumatic supply unit 1300 is installed to be tiltable to the holding unit to supply pneumatic pressure for loading the polymer clip. That is, as shown in FIGS. 10 to 15 , the pneumatic supply unit 1300 includes a cover unit 1310 , a turning unit 1320 , a storage unit 1330 , and a pneumatic tank 1340 .

The cover part 1310 is tiltably coupled to the gripper with respect to the tilting shaft 1311 disposed at the other end of the gripper.

The turning part 1320 is pivotally coupled to the cover part 1310 based on the pivot shaft 1321 disposed on a part of the cover part and pivots in conjunction with the cover part.

The storage unit 1330 is rotatably coupled to the revolving unit 1320 based on a rotating shaft 1331 disposed at one end of the revolving unit to rotate in conjunction with the revolving unit.

The pneumatic tank 1340 is detachably inserted into the storage unit 1330 .

In this way, according to the tilting operation of the cover part, as the turning part and the storage part turn in conjunction with the tilting of the cover part based on the pivot axis and the pivot axis, respectively, the storage part turns to facilitate the replacement of the pneumatic tank and reduce the replacement time of the pneumatic tank Accordingly, it is possible to maximize the satisfaction between the patient and the doctor by reducing the operation time, improving the convenience of the doctor, reducing the fatigue, and facilitating the recovery of the patient.

In addition, the polymer clip is loaded by moving to the ligation site of the ligation unit by the pneumatic pressure supplied from the pneumatic tank by the operation of the trigger unit. That is, the pneumatic tank 1340 is stored in the storage unit of the pneumatic supply unit of the handle unit and moves the clip to the firing position of the ligation unit through the operation of the trigger unit, thereby storing the pneumatic power that can automatically move the clip. Although not necessarily limited thereto, the pneumatic tank is filled with CO2 gas, and the capacity of the pneumatic gas filled in the pneumatic tank can be formed in various ways depending on the number of times the clip is loaded. That is, the CO2 capacity charged in the pneumatic tank may be filled with 5 loadings, 10 loadings, 12 loadings, 15 loadings, and 20 loadings of the clip. In addition, when all the pneumatic pressure of these pneumatic tanks is used, only the pneumatic tank can be easily replaced and used, and the recovered pneumatic tank can be reused by recharging the CO2 gas charged inside and disinfecting it, thereby preventing wastage of resources and manufacturing. Cost and maintenance cost can be reduced, miniaturization is promoted, and surgery can be performed quickly, shortening the patient's recovery time and maximizing the convenience of the doctor.

The lever unit 1400 includes a trigger unit 1410 rotatably installed in the gripper, loads the polymer clip according to the turning operation of the trigger unit, and operates the ligation unit to ligate the titanium clip or the polymer clip.

The operation unit 1500 is installed inside the horizontal unit and operates in conjunction with the lever unit. As shown in FIGS. 10 to 15, the surgical polymer clip launch device according to the present invention clips by pneumatically as the lever part and the operating part work in conjunction with only one operation of the user, the doctor, turning the trigger part of the lever part. It is loaded into the firing position of the ligation unit, and is ligated to a blood vessel or tubular tissue after loading.

Ichirum, the surgical polymer clip launch device according to the present invention automatically loads the polymer clip by pneumatically moving the polymer clip to the firing position with only one manipulation of the handle unit, and ligation is performed by the ligation unit while the polymer clip is loaded Therefore, regardless of the type of clip, reliability and satisfaction can be maximized by improving the stability and accuracy of clip firing.

10 to 15, the lever part 1400 of the handle unit 1000 of the surgical polymer clip launch device 1 according to the present invention includes a trigger part 1410, a driving part 1420, and an actuator part ( 1430 , a transfer unit 1440 , and a fixing unit 1450 .

The trigger unit 1410 is formed to extend vertically downwardly on one side of the holding unit 1120 of the housing unit and pivotally coupled to a part of the holding unit, so that the trigger unit rotates through the operation of the doctor pulling the trigger unit. In addition, the trigger unit 1410 includes a concave groove portion 1441 that is recessed in the upper end in the vertical direction of the trigger unit. That is, when the trigger unit 1441 is turned by the pulling action of the doctor, the slide unit moves forward as the protrusion 1543 of the slide unit inserted into the concave groove operates in conjunction with it, and in conjunction with this, the round bar of the polymer shaft unit ( 2210) moves forward to operate the polymer clip ligation unit to ligate the clip.

The driving unit 1420 is installed adjacent to the trigger unit in the gripping unit so as to rotate in the opposite direction to the turning direction of the trigger unit 1410 . 10 to 15 , the driving unit 1420 includes a body portion 1421 , a first leg portion 1423 , a second leg portion 1425 , and a ring portion 1424 . The driving part is formed in a L-shape as a whole.

The main body 1421 has a driving shaft 1422 disposed in the center, and the main body 1421 rotates in a direction opposite to the turning direction of the trigger 1410 with respect to the driving shaft.

The first leg portion 1423 is formed to extend in the horizontal direction from the upper portion of the body portion.

The second leg portion 1425 is formed to extend vertically from the lower portion of the body portion.

The ring portion 1424 is formed to extend vertically downward from the tip of the first leg portion and is selectively fixedly coupled to the engaging jaw portion 1433 of the actuator portion to be described later.

The actuator unit 1430 is installed adjacent to the driving unit inside the gripping unit to rotate in a direction opposite to the turning direction of the driving unit 1420 . 10 to 15 , the actuator part 1430 includes a body part 1431 , a locking jaw part 1433 , and a guide part 1434 .

A rotating shaft 1432 is formed in a portion of the body 1431, and the body 1431 rotates in a direction opposite to the rotating direction of the driving unit with respect to the rotating shaft.

The locking jaw portion 1433 is vertically depressed from the upper portion of the body portion so as to be selectively fixedly coupled to the ring portion 1424 according to the rotation direction of the actuator portion.

The guide portion 1434 is formed to protrude adjacent to the delivery portion to have a predetermined curvature at the upper end of the body portion in the vertical direction. That is, the guide portion 1434 has a guide surface having a predetermined curvature, and the cam follower portion 1443 slides along the guide surface so that the transmission portion is raised or lowered according to the turning direction of the actuator portion.

The transmission unit 1440 is installed inside the horizontal unit with the other side fixedly coupled to a part of the horizontal unit 1110 so that one side ascends or descends according to the turning direction of the actuator unit 1430 . 10 to 15 , the delivery unit 1440 includes a body portion 1441 , a cam follower portion 1443 , and a pressing portion 1444 .

The body portion 1441 has one side having a free end and the other side is fixed to a part of the horizontal portion and extends in the horizontal direction. That is, as the other side of the body part is fixed to the horizontal part and one side is formed as a free end, it moves up or down based on the coupling shaft 1442 according to the sliding operation of the cam follower part and the guide part.

The cam Palau part 1443 is formed to have a curvature corresponding to the curvature of the guide part on one side of the body part, and slides along the guide surface 1435 of the guide part.

The pressing part 1444 is formed to protrude toward the fixing part from the side center of the body part, and when one side of the body part is descended, the pressing part presses down the stepped part of the fixing part to lower the fixing part, and thus the stopper part 1453 is fastened. The pneumatic pressure released from the unit 1532 and supplied from the pneumatic tank is supplied through the flow path so that the rod unit 1533 moves forward.

The fixing part 1450 is installed adjacent to the delivery part inside the horizontal part in a state in which the other side is fixedly coupled to a part of the horizontal part 1110 so that one side moves up or down in conjunction with the delivery part 1440 . 10 to 15 , the fixing part 1450 includes a support part 1451 , a stopper part 1453 , and a stepped part 1454 .

The support portion 1451 has one side having a free end and the other side is fixed to a part of the horizontal portion and extends in the horizontal direction, and is formed parallel to the body portion and adjacent to the body portion. That is, as the other side of the support portion 1451 is fixed to the horizontal portion and one side is formed adjacent to the body portion as a free end, it interlocks with the lifting operation of the body portion by the pressing portion to elevate and lower based on the fixed shaft 1452. . When the support part is lowered, the stopper part is separated from the fastening part, the flow path part is opened, and the rod part moves forward by the pneumatic pressure supplied from the pneumatic tank. According to the forward movement of the rod, the clip is automatically loaded to the firing position by moving the drawbar forward.

The stopper part 1452 is formed to extend vertically upward from the tip of one side of the support part and is interpolated into the fastening part to suppress the forward movement of the rod part.

The stepped portion 1454 is formed to be stepped in the opening 1455 penetrating the center of the support portion so as to correspond to the pressing portion so that the support portion is raised or lowered by interlocking when the body portion is raised or lowered, so that the pressing portion is in close contact.

As such, the driving unit rotates in a direction opposite to the turning direction of the trigger unit in conjunction with the turning operation of the trigger unit, and the actuator unit rotates in the opposite direction to the turning direction of the driving unit in conjunction with the turning operation of the driving unit. One side of the transmission unit descends in conjunction with the turning operation of the actuator unit, and as the fixed unit descends in conjunction with the lowering of the one side of the transmission unit, the pneumatic pressure supplied from the pneumatic tank is transmitted to the operating unit, and the operating unit moves the drawbar of the polymer clip shaft unit forward The polymer clip stored in the waiting part of the transfer unit is loaded into the firing position of the ligation unit.

10 to 15, the operating part 1500 of the handle unit 1000 of the surgical polymer clip launch device 1 according to the present invention includes a base part 1510, a flow path part 1520, and a loading part. 1530 , and a sliding unit 1540 .

The base part 1510 is provided with a joint part 1511 coupled in communication with the pneumatic tank while moving linearly and reciprocally inside, and is fixedly installed on the other side of the inside of the horizontal part.

One side of the flow passage 1520 communicates with the loading unit, and the other side communicates with the base unit to transmit the pneumatic pressure discharged from the pneumatic tank to the loading unit. That is, in the flow passage 1520, the nozzle of the flow passage is opened by the loading unit by the operation of the doctor turning the trigger unit, and accordingly, the pneumatic pressure discharged from the pneumatic tank is transferred to the loading unit through the flow passage. In addition, to facilitate replacement of the pneumatic tank, the pneumatic tank and the base communicate with each other through the cover, the revolving portion, and the link with the storage unit and the revolving structure, and the flow path portion is horizontally arranged in the housing portion so as to be disposed in communication with the base portion. As the inner side of the unit penetrates in a vertical downward direction, the size of the horizontal portion of the housing unit is minimized and the turning unit and the storage unit of the pneumatic supply unit are placed in the optimal position to promote compactness of the housing unit, reduce manufacturing cost, and improve rigidity. It is possible to maintain rigidity and improve stability, accuracy and reliability while ultimately achieving compactness of the surgical polymer clip launcher.

The loading part 1530 is disposed adjacent to the base part on the other side of the horizontal part and performs a function of loading the polymer clip according to the elevating movement of the stopper part. 10 to 15 , the loading part 1530 includes a casing part 1531 , a fastening part 1532 , a rod part 1533 , and an elastic part 1534 .

The casing portion 1531 has a cavity formed therein and is formed in a cylindrical shape. The casing portion forms the outer shape of the loading portion.

The fastening part 1532 is recessed in the lower part of the casing part to correspond to the stopper part, and the stopper part is inserted and fastened.

The rod part 1533 moves forward and backward in the horizontal direction inside the casing part by the pneumatic pressure supplied from the pneumatic tank through the flow path part.

The elastic part 1534 elastically presses the rod part to contact one side of the flow passage inside the casing part. That is, the rod part 1533 is always arranged to move backward in the inside of the casing part by the elastic part 1534. When the stopper part is separated from the fastening part through manipulation of the trigger part, the rod part 1533 is loaded by the pneumatic pressure supplied from the pneumatic tank. When the part moves forward and the pneumatic pressure is discharged to the outside through the ligation unit, etc., it moves backward by the elastic part and returns to its original position, so that the stopper part is automatically inserted into the fastening part. That is, it is possible to configure the loading part simply and compactly by the elastic part.

The slide unit 1540 moves forward and backward inside the horizontal part to ligate the polymer clip according to the turning operation of the trigger part on the inner side of the horizontal part. 10 to 15 , the slide part 1540 includes a base part 1541 , a moving part 1542 , and a protrusion part 1543 .

The base portion 1541 is formed to extend in the horizontal direction so that one side is in contact with the shaft unit and the other side is coupled to the loading unit. That is, the base part is formed in the shape of a cylinder which forms the outer shape of the slide part and has a cavity formed therein.

The moving part 1542 is installed inside the base part so as to be linearly reciprocated in the horizontal direction in conjunction with the rod part. That is, as the rod part moves forward, the moving part moves forward, the extension part in contact with the moving part interlocks to move forward, the connection part in contact with the extension part interlocks to move forward, and finally the drawbar in contact with the connection part moves forward by interlocking it. As it moves, the clip is loaded into the firing position of the ligation unit.

The protrusion 1543 is formed to protrude from the lower portion of the base portion to correspond to the concave groove portion to move the base portion (slide portion) forward or backward according to the turning direction of the trigger portion. That is, as the protrusion 1543 is inserted and fastened into the concave groove, the protrusion rotates in conjunction with the trigger according to the turning direction of the trigger, and the turning operation of the protrusion is changed to linear movement to move the slide unit forward and backward. The base part moves forward and backward by the forward and backward motion of the slide part. According to the forward and backward movement of the base, the round bar is linked by the base to move forward and backward, thereby operating the ligation unit to ligate the clip.

Therefore, the surgical polymer clip launch device according to the present invention produces each part individually in a modular form, and is easily detachable and assembled to improve assembly and productivity, thereby reducing manufacturing cost and manufacturing time, and through compaction Ultimately, by reducing the manufacturing cost of the surgical clip launcher by promoting storage and transport convenience, it is possible to maximize consumer satisfaction, expand medical benefits, and reduce the burden of medical insurance to improve national stability and increase exports. have.

3 to 6 and 10 to 15, the polymer clip is automatically loaded by moving the polymer clip to the firing position by pneumatic pressure with only one operation of the handle unit of the surgical polymer clip launch device 1 according to the present invention. , explains the operating principle of ligation performed by the ligation unit in a state in which the polymer clip is loaded, and the operating principle of mounting or replacing a pneumatic tank.

First, in order to automatically load the clip using pneumatic pressure, a pneumatic tank must be newly installed in the storage part of the pneumatic supply unit, or the pneumatic tank from which all pneumatic pressure has been exhausted must be replaced. As shown in FIGS. 3 to 6 and 10 to 15 , an operating principle for opening the storage unit of the pneumatic supply unit will be described. In order to open the storage part of the pneumatic supply unit, as shown in FIG. 11, when the cover part is in contact with the gripping part and the cover part is completely closed while the cover part is tilted clockwise in FIG. 11, the cover part is tilted clockwise based on the tilting axis as shown in FIG. do. As shown in FIG. 12 , when the cover part is tilted clockwise with respect to the tilting axis, the turning part interlocks with the cover part around the pivot axis disposed on a part of the cover part to rotate counterclockwise around the pivot axis. At the same time, the storage unit is naturally exposed to the outside while the storage unit is interlocked with the rotation unit and pivots clockwise based on the rotation axis based on the rotation axis disposed at one end of the rotation unit. At this time, the user may remove the pneumatic tank already installed in the storage and replace it with a new pneumatic tank, or simply install a new pneumatic tank in the empty storage that is not equipped with anything. After that, if the user holds the cover and tilts it counterclockwise, the reverse operation as described above is performed to seat the storage part inside the gripping part, and finally, the cover part contacts the gripping part and the pneumatic supply part is closed in a closed state.

An operating principle for the automatic loading and ligation of the clip will be described with reference to FIGS. 3 to 6 and 13 to 15 on the premise that the pneumatic tank is mounted to the storage unit. As shown in FIGS. 5 to 6 and 13 to 15 , the pneumatic tank is coupled to the joint part of the base in a state in which the pneumatic tank is mounted on the storage part, and the pneumatic pressure of the pneumatic tank is transmitted to the flow path part. However, at this time, as the rod part of the loading part is elastically pressed to the other side of the horizontal part by the elastic part, one side of the flow passage is closed to cut off the supply of pneumatic pressure, and the stopper part of the fixing part is inserted and fastened to the coupling part of the casing part, so that the pneumatic pressure of the rod part is inserted. By default, the state in which the forward movement of the rod part is suppressed is maintained.

Then, when the user turns the trigger unit in one direction, the main body of the driving unit rotates in the opposite direction to the trigger unit around the driving shaft, and the first leg unit and the hook formed at the tip of the first leg unit in conjunction with the main body unit also turns in the same direction. At the same time, the body part of the actuator part rotates in the opposite direction to the body part around the rotation axis, and the locking jaw part formed at the upper end of the body part also turns in the same direction as the body part. That is, the hook portion and the locking jaws are rotated in opposite directions so that they are close to each other so that the ring portion is inserted and fastened to the locking jaws. Simultaneously with this operation, as the body part rotates in the opposite direction to the body part around the axis of rotation, the guide part formed on the upper part of the body part also rotates in the same direction as the body part. The cam follower formed on one side of the body of the transfer unit is lowered along the guide surface of the guide as the guide unit turns, and the pressing unit is lowered in conjunction with the lowering of the cam follower. As the pressing part descends, the stepped part of the fixed part in contact with the pressing part is lowered, and the support part is lowered by interlocking with the stepped part according to the descent of the stepped part. The air pressure supplied from the pneumatic tank moves the rod forward along the flow path. According to the forward movement of the rod part, the moving part moves forward in conjunction with the rod part, the extension part and the extension part move forward according to the forward movement of the moving part, and finally, the drawbar moves forward to automatically load the clip to the firing position. Thereafter, the original position moves backward by the elastic force of the coil springs of the first elastic member and the second elastic member installed in the connection part and the extension part, and as the drawbar moves backward, it is opposite to the contents described above. According to the principle of operation, it is returned to its original position.

In addition, as shown in FIGS. 3 to 4 and 10 to 15 , when the trigger unit is rotated, the protrusion that is primarily inserted and fastened into the concave groove of the trigger part turns while the slide unit moves the base part forward, so that the slide unit moves the round bar part. The clip is ligated by rotating the ligation unit by moving it forward. That is, when the round bar advances, clamping shafts disposed to face each other in the vertical direction of the bridge part and the first and second clamping parts pivotally coupled to the respective clamping shafts are pressed and rotated to thereby clamp the first and second clamping parts. The supplementary clamping axis pivots in opposite directions. Accordingly, the first clamping unit presses one end of the polymer clip, and the second clamping unit simultaneously presses the other end of the polymer clip along the horizontal central axis to ligate the polymer clip as shown in FIG. 4 . Then, as the trigger unit pivots to the original position by the elastic member, and the round bar moves backward to the first elastic member and the second elastic member, the trigger automatically returns to the original position as described above, and this automatic loading is performed by the above-described operating principle. are performed sequentially.

As such, the surgical polymer clip launch device according to the present invention automatically loads the polymer clip by moving the polymer clip to the firing position by pneumatic only by one manipulation of the handle unit, and the ligation is performed by the ligation unit in the loading state of the polymer clip. Therefore, regardless of the type of clip, reliability and satisfaction can be maximized by improving the stability and accuracy of clip firing.

The handle unit 1000 and the shaft unit 2200 of the surgical polymer clip launch device of the present invention can exhibit an anti-contamination effect by forming a coating layer using a coating composition having an excellent anti-contamination effect.

The coating composition is more specifically inorganic nanoparticles; cillin compounds; Surfactants; bookbinder; dispersant; and solvents.

The average diameter of the inorganic nanoparticles is 3 to 5 μm. As the inorganic powder having a small average diameter within the above range is used, even if the coating layer is formed, the touch may not be impaired.

The inorganic nanoparticles are selected from the group consisting of barium titanate, silica (SiO2), titanate (TiO2), and mixtures thereof, and preferably barium titanate, but is not limited thereto.

Preferably, the silane compound is a compound represented by the following formula (1):

[Formula 1]

Here, n is an integer from 1 to 100.

The silane compound may include a plurality of -OCF3 substituents, and may increase the antifouling effect by forming a fluorine film in the coating layer by the -OCF3 substituents.

In addition, since it contains an alkylene group having 1 to 100 carbon atoms as a linker, -OCF3 substituents can be arranged at a certain distance on both sides around the ester group, thereby preventing the problem of interference with inorganic nanoparticles in the coating layer Accordingly, the antifouling effect can be further increased.

Preferably, the linker is an alkylene group having 5 to 10 carbon atoms, that is, n is an integer of 5 to 10. When forming a coating layer within the above range, a fluorine film that can maximize the antifouling effect within the thickness range of the coating layer formation is possible. This may cause a problem that the antifouling effect is inhibited due to the interference effect between the inorganic nanoparticles and the -OCF3 substituent when n is less than 5, and when n exceeds 10, the distance between the inorganic nanoparticles and the fluorine film in the coating layer is Although it is possible to prevent the occurrence of the interference effect by moving away from it, there is a problem in that the antifouling effect due to the combination of the fluorine film and the inorganic nanoparticles is inferior.

The surfactant is a betaine-based surfactant, and more specifically, an alkylbetaine-based, amidebetaine-based, sulfobetaine-based, hydroxysulfobetaine-based, amidosulfobetaine-based and phosphobetaine-based, imidazolinium betaine-based surfactants. It may be selected from the group consisting of, but is not limited to the above examples.

The binder is selected from the group consisting of acrylic binders, urethane-based binders, silicone-based binders, and mixtures thereof, more specifically silicone-based binders, and more specifically polydimethylsiloxane, polyhydrosiloxane, and mixtures thereof. However, it is not limited to the above example.

The dispersant may use a known component employed in the art as a dispersant of the carbon-based filler. More specifically, polyester-based dispersing agent, polyphenylene ether-based dispersing agent, polyolefin-based dispersing agent, acrylonitrile-butadiene-styrene copolymer dispersing agent, polyarylate-based dispersing agent, polyamide-based dispersing agent, polyamideimide-based dispersing agent, polyarylsulfone-based dispersing agent dispersing agent, polyetherimide-based dispersing agent, polyethersulfone-based dispersing agent, polyphenylene sulfide-based dispersing agent, polyimide-based dispersing agent; Polyether ketone dispersant, polybenzoxazole dispersant, polyoxadiazole dispersant, polybenzothiazole dispersant, polybenzimidazole dispersant, polypyridine dispersant, polytriazole dispersant, polypyrrolidine dispersant, polypyrrolidine dispersant It may be selected from the group consisting of dispersants, polysulfone-based dispersants, polyurea-based dispersants, polyurethane-based dispersants, polyphosphazene-based dispersants, and mixtures thereof, but is not limited thereto.

The solvent may be selected from the group consisting of water, an alcohol solvent, a halogen-containing hydrocarbon solvent, a ketone solvent, a cellosolve solvent, and an amide solvent, but is not limited thereto.

The coating composition may include inorganic nanoparticles; silane compounds; Surfactants; bookbinder; dispersant; and a solvent, preferably based on 100 parts by weight of the solvent, 5 to 20 parts by weight of inorganic nanoparticles; 20 to 50 parts by weight of a silane compound; 10 to 20 parts by weight of surfactant; 30 to 50 parts by weight of a binder; and 5 to 10 parts by weight of a dispersant. In the case of the above range, a synergistic effect of critical significance is expressed as a synergistic effect due to the interaction of each extract, and when out of the above range, the synergistic effect is rapidly reduced or almost absent.

The coating composition may include inorganic nanoparticles; silane compounds; Surfactants; bookbinder; dispersant; And after mixing the solvent, it is prepared by stirring at 100 to 150 rpm. The prepared coating composition exhibits a viscosity of 1,500 to 2,000 cps, and it is possible to maintain a constant shape when forming a coating layer on the surface of a substrate within the viscosity range, thereby facilitating coating using a known coating method.

[Preparation Example 1: Preparation of coating composition]

Barium titanate having an average diameter of 3 to 5 μm, a silane compound represented by the following Chemical Formula 1, an alkylbetaine-based surfactant, a polyhydrosiloxane binder, water and a polyester-based dispersant are mixed, and the mixture is performed at a speed of 100 rpm. By stirring for 10 to 30 minutes, the coating composition was prepared:

[Formula 1]

(Here, n is an integer of 10.)

All of the components constituting the coating composition were purchased and used in the preparation of the coating composition. A more specific composition of the coating composition is shown in Table 1 below.

BB1 BB2 BB3 BB4 BB5 BB6 BB7 BB8 BB9 BB10 BB11 water 100 100 100 100 100 100 100 100 100 100 100 barium titanate One 5 10 15 20 25 15 15 15 15 15 silane compound 10 20 30 40 50 60 40 40 40 40 40 Surfactants 5 10 13 16 20 30 16 16 16 16 16 bookbinder 20 30 35 45 50 60 45 45 45 45 45 dispersant One 5 7 8 10 20 8 8 8 8 8

A 5×5 cm specimen was immersed in the coating composition of BB1 to BB11, and dried at 90 to 95° C. for 60 minutes to form a coating layer. [Experimental Example 1: Appearance evaluation] Before coating the specimen using the coating composition of BB1 to BB11, the viscosity was measured at 25° C. using a Brookfield viscometer, and after the coating layer was formed, the appearance was observed.

Evaluation was carried out according to the following evaluation criteria according to the case of forming the coating layer on the surface of the substrate flat and the degree of curvature.

○: Formation of a flat coating layer

△: Forms a coating layer in a partially curved shape

×: forming a coating layer in a curved shape in many parts

BB1 BB2 BB3 BB4 BB5 BB6 Viscosity (cps) 500 1,120 1,560 1,800 1,920 2,250 Appearance evaluation Х Х ○ ○ ○ △

As shown in [Table 2], as a result of forming a coating layer on the substrate and evaluating the appearance, the viscosity was measured differently depending on the content range of the coating composition, and it was confirmed that a large difference was shown in whether a uniform coating layer was formed depending on the viscosity range. . [Experimental Example 2: Evaluation of stain resistance] The specimens coated on the surface with Experiment Nos. BB1 to BB6 were placed in a friction fastness tester (model name DL-2007), and stained cloth (Test fabric, product name IEC carbon black/mineral oil, EMPA company) was placed on the surface of the contaminated sample, reciprocating friction was performed 10 times, and the contaminated sample was visually compared to give a pollution grade as shown in Table 2 below.

The evaluation criteria are as follows.

◎: No contaminants are seen at all

○: Slightly visible or hardly noticeable contaminants

△: Slightly badly stained

×: The contamination is seen quite severely.

BB1 BB2 BB3 BB4 BB5 BB6 stain resistance Х △ ◎ ◎ ○ △

Referring to [Table 3], it was confirmed that BB1 was severely contaminated. In the case of BB 2 and BB 6, the contamination was slightly severe. On the other hand, in BB3 to BB5, no contaminants were seen or the contaminants were hardly conspicuous, confirming that the stain resistance was excellent. Those skilled in the art or those having ordinary knowledge in the art can variously modify and change the present invention without departing from the spirit and scope of the present invention described in the claims to be described later. will be able to understand Accordingly, the technical scope of the present invention should not be limited to the content described in the detailed description of the specification, but should be defined by the claims.

1: Surgical polymer clip launcher
1000: handle unit
1100: housing part
1200: control unit
1300: pneumatic supply unit
1400: lever part
1500: operation part
2000: shaft unit
2200: polymer clip shaft unit
2210: round bar
2220: transfer unit
2230: draw bar
2240: connection part
2250: extension
2260: holder part
3000: ligation unit
3200: polymer clip ligation unit
4000 : clip
4200 : Polymer Clip

Claims (5)

A surgical polymer clip launcher for firing a polymer clip for ligation of blood vessels or tubular tissue,
a handle unit for loading the polymer clip by pneumatic pressure and ligating blood vessels or tubular tissue with the polymer clip;
a shaft unit detachably installed on one side of the handle unit; and
Including; a ligation unit formed on one side of the shaft unit to ligate the polymer clip;
A surgical polymer clip launch device, characterized in that the plurality of polymer clips are disposed inside the shaft unit to be spaced apart at regular intervals along the horizontal direction of the shaft unit so that the polymer clips can be fired sequentially.
According to claim 1,
The shaft unit is
a round bar having a cavity in the center and extending in the horizontal direction so that the ligation unit is disposed on one side, and the other side is inserted and coupled to the control unit;
a transfer unit which is inserted and disposed inside the round bar and is disposed and stored at regular intervals in a horizontal direction with a plurality of the polymer clips;
a draw bar extending in the horizontal direction and being inserted and disposed adjacent to the transfer unit inside the round bar to load the polymer clip stored in the transfer unit into the ligation unit; and
A surgical polymer clip launch device comprising a; one side is connected to the draw bar to move the draw bar forward.
3. The method of claim 2,
The shaft unit is
an extension part having one side fastened to the connection part and the other side in contact with the slide part to move the connection part forward according to the forward movement of the moving part; and
Surgical polymer clip launch device, characterized in that it further comprises; a holder portion detachably coupled to the outer peripheral surface of one side of the round bar portion for fixing and supporting the shaft unit to the adjustment unit.
4. The method of claim 3,
The transfer unit is formed to be spaced apart from each other by a predetermined distance in the horizontal direction to the transfer unit, and a waiting unit in which each of the polymer clips is arranged; includes;
The draw bar includes a hook portion formed to be spaced apart from each other by a predetermined distance along the horizontal direction to correspond to the spacing distance of the waiting portion along the horizontal direction of the front end of the draw bar;
The connection portion includes a;
The expansion part is a second elastic member inserted into the outer peripheral surface of the expansion part so as to elastically press the expansion part; Surgical polymer clip launch device comprising a.
5. The method of claim 4,
The ligation unit is
a bridge portion disposed inside one side of the round bar;
a first clamping part having one side pivotally fastened around a clamping shaft disposed at the tip of the bridge part to fasten the polymer clip; and
a second clamping part having one side pivotally fastened to face the first clamping part about the clamping shaft disposed at the front end of the bridge part to correspond to the second clamping part for fastening the polymer clip; and
The first clamping part includes a guide groove formed through the center of the tip of the first clamping part to fix and support the upper tip of the polymer clip,
The second clamping part includes a blocking part extending vertically upward along the side and front of the second clamping part to support the tip and the side surface of the lower part of the polymer clip to prevent the polymer clip from being separated. Surgical polymer clip launcher.

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