KR20230038148A - A medical dispensing mechanism capable of combining two kinds of treatment tools having an independent driving range - Google Patents

Abstract

The present invention relates to a medical dispensing device capable of jointly using two kinds of treatment tools. According to the present invention, the medical dispensing device capable of jointly using two kinds of treatment tools comprises: a tube inserted into a body; a first treatment tool provided in the tube and moving forward and backward together with a handle part; a second treatment tool provided in the tube and moving forward and backward together with the handle part; an operation module controlling any one of the first treatment tool and the second treatment tool in a non-driven state; and the handle part operating the treatment tool which is not in the non-driven state by the operation module and independently operating the first treatment tool or the second treatment tool. Accordingly, two or more different treatment tools can be received in one handpiece and each treatment tool can be operated independently.

Description

A medical dispensing device capable of using two types of treatment tools {A MEDICAL DISPENSING MECHANISM CAPABLE OF COMBINING TWO KINDS OF TREATMENT TOOLS HAVING AN INDEPENDENT DRIVING RANGE}

The present invention relates to a medical ejection device used for procedures such as an endoscope, and relates to a medical ejection device in which two types of treatment tools can be used together on one device.

An endoscope is a medical device for examining the inside of a body for medical purposes, and is a surgical device for observing the inside of a body organ by inserting a camera directly into the body. Endoscopy is divided into bronchoscopy, gastroscopy, laparoscopy, and colonoscopy according to the area to be examined. BACKGROUND ART Recently, colon diseases are increasing as social changes such as western lifestyle and dietary changes are progressing. Accordingly, with the development of colonoscopy equipment and surgery, the quantity of colonoscopy has increased compared to before. However, although colonoscopy has become easier than before, it is still not a universal test that anyone can easily perform. Since the camera is inserted directly into the patient's body, a high level of technology is required to accurately diagnose and treat the patient while performing examinations in a short time without pain.

Endoscopic submucosal dissection (ESD) is a technique that uses an endoscope to treat gastric cancer as well as esophageal and colon cancer. A high-frequency knife attached to the end of the endoscope is used to incise tumors such as cancerous masses attached to the mucous membrane and separate them by thinly dissecting them. way. The operator must distinguish whether the lesion tissue confirmed through the endoscope is a lesion that needs resection or not, and in performing the lesion tissue resection, an appropriate method is used according to the characteristics of the polyp found, such as the location, size, shape, and number of the lesion. should choose During the lesion tissue resection procedure, a needle for drug injection, an ESD knife, a snare, a marker, a biopsy instrument, a hemostatic clip, and the like may be used as necessary treatment tools. In particular, since submucosal dissection can enter the periphery of the lesion tissue and perform various treatments such as marking, incision, dissection, hemostasis, and washing, a high-frequency knife must be designed to perform such treatment with one insertion. Accordingly, there has been a need for a medical discharge device capable of selectively using various treatment tools as needed.

In this regard, the present applicant has developed, applied for, and registered a high-frequency knife that combines an ESD knife and a needle treatment tool (Korean Registered Patent No. 1830085, hereinafter abbreviated as 'prior patent'). The prior patent discloses a mechanism for alternately ejecting two treatment instruments using gears or wires. However, in the prior patent, due to the nature of the mechanism, when one treatment tool is manipulated, the other treatment tool is necessarily driven in the opposite direction, making it difficult to design the drive range for each treatment tool.

In relation to the drive range, in more detail, the snare among medical treatment instruments requires a drive range of 60 to 64 mm, and the knife and needle require a drive range of 14 to 17 mm. As in the above case, in order to use two or more treatment instruments in combination with significantly different operating ranges due to the nature of the treatment instruments, it is advantageous to design an independent operating section and safety device for one treatment instrument.

Accordingly, the present applicant has devised a manipulation mechanism of a medical ejection device in which two treatment tools having different driving ranges can be provided on one handpiece.

Korean Registered Patent No. 1830085

An object of the present invention is to provide a medical ejection device in which two treatment tools to be used together when resecting lesion tissue such as polyps can be provided on one handpiece.

The present invention can operate two treatment instruments whose types are not limited with only one insertion, and by manipulating a manipulation module to fix some of the two treatment instruments, treatment other than the treatment instrument to be driven by careless operation An object of the present invention is to provide a medical ejection mechanism capable of preventing unintentional ejection of a sphere and independently manipulating a treatment instrument.

In addition, the present invention is to provide a medical discharge device capable of manipulating a handle with only one hand.

In order to achieve the above object, the present invention provides a medical discharge device capable of using two treatment tools in combination, comprising: a tube inserted into the body; a first treatment instrument provided in the tube and advanced and retracted together with the following handle; a second treatment instrument provided in the tube and advanced and retracted together with the following handle; a manipulation module controlling either the first treatment instrument or the second treatment instrument in a non-driving state; and a handle portion capable of driving a non-driven treatment instrument by the manipulation module and independently manipulating the first treatment instrument or the second treatment instrument.

Preferably, the control module includes: a fixing pin fixing any one of the first treatment instrument and the second treatment instrument to maintain it in a non-driving state; and a fixing pin button for manipulating the fixing pin, and the fixing pin may be indirectly manipulated by the fixing pin button.

Preferably, the tube forms a plurality of lumens in the longitudinal direction therein, and the plurality of treatment tools may be provided separately in the lumens.

Preferably, the lumen may be formed vertically within the tube, and the fixing pin moves vertically to hold either the first treatment instrument or the second treatment instrument provided vertically within the tube. It can be driven independently by fixing it.

Preferably, when the operating range of the first treatment instrument is in the first driving range and the operating range of the second treatment instrument is in the second driving range, the first driving range is greater than the second driving range, and the first driving range is The second driving range may be included in the phase.

Preferably, the handle portion, the fixed handle; and a manipulation handle that relatively moves from the fixed handle and pushes or pulls the plurality of treatment instruments.

When a polyp is discovered, the operator performs submucosal dissection (ESD) or submucosal resection (EMR) depending on the size and type of the polyp. For submucosal dissection, an ESD high-frequency knife is used, and for submucosal resection, a high-frequency snare is mainly used.

Accordingly, according to the present invention, the medical discharge device may include two kinds of treatment instruments, and the two kinds of treatment instruments may be individually driven by securing independent operation sections. Therefore, when using the medical ejection device of the present invention, the operation time can be shortened, and the operation can be performed more efficiently by minimizing side effects from the operation.

According to the present invention, driving of any one of the treatment tools can be controlled through manipulation of the manipulation module. That is, since treatment tools other than the treatment tool to be operated by the fixing pin of the manipulation module are in a non-driven state, driving of the treatment tool to be operated is not affected. Therefore, each instrument can be operated safely and independently.

According to the present invention, the fixing pin moves according to the position of the treatment tool to control the treatment tool, and the fixing pin located inside the medical ejection device is indirectly manipulated by the fixing pin button provided outside the medical ejection device. Therefore, the user can intuitively grasp and operate the position where the fixing pin is to be moved according to the position of the treatment instrument to be driven.

In addition, since the fixing pin is located near the control handle, the user can operate it with one hand. Therefore, since the user moves the fixing pin according to the treatment tool to be manipulated and then manipulates the treatment tool, the user can physically perceive it, thereby preventing unintentional driving of the treatment tool and increasing the convenience of the procedure.

According to the present invention, the control knob can be driven with one hand, and the operating range is remarkably different (for example, a snare (drive range of 60 to 64 mm) or a needle (drive range of 14 to 17 mm)) ) can be easily manipulated.

1 shows a medical ejection device according to an embodiment of the present invention.
FIG. 2 shows two different types of treatment instruments for a medical discharge device according to an embodiment of the present invention, in which the first treatment instrument is a snare and the second treatment instrument is a needle.
3 shows a state in which a manipulation module is manipulated and a state in which a handle part and a treatment tool are driven according to positions of the manipulation module according to an embodiment of the present invention.
4 shows a state in which the first treatment instrument is driven when the manipulation module according to an embodiment of the present invention is raised.
5 shows a state in which the second treatment instrument is driven when the manipulation module is lowered according to an embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the contents described in the accompanying drawings. However, the present invention is not limited or limited by exemplary embodiments. The same reference numerals in each figure indicate members performing substantially the same function.

The objects and effects of the present invention can be naturally understood or more clearly understood by the following description, and the objects and effects of the present invention are not limited only by the following description. In addition, in describing the present invention, if it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted.

1 shows a medical ejection device 1 according to an embodiment of the present invention. Referring to FIG. 1 , the medical discharge device 1 can use two treatment tools together, and the medical discharge device 1 includes a main body 90, a first treatment tool 10, and a second treatment tool 30. , It may include a knife ring 40, a handle part 50, a first cylinder 60, a second cylinder 61, a driving part power connection part 70, a tube 80, and an operation module 100.

The body 90 means a catheter body 90 having a predetermined length. The body 90 is configured with a handle portion 50 to be operated by the user at the rear end. The main body 90 is formed with a power supply connection 70 for applying high frequency to the proximal portion. The front end of the main body 90 is provided with a tube 80 inserted into the body. The medical discharge device 1 according to the present embodiment may accommodate the first treatment instrument 10 and the second treatment instrument 30 in the tube 80 .

The first treatment instrument 10 may be formed to move forward and backward together with the handle part 50 . The terms of the first treatment instrument 10 and the second treatment instrument 30 defined herein refer to instruments used during medical procedures such as endoscope and incision. In this embodiment, the treatment tool may be a snare, a needle, a cutting knife, a marker, an endoscope, a biopsy instrument, a hemostatic clip, and the like.

In this embodiment, any one of the first treatment tool 10 and the second treatment tool 30 is a snare that captures and excises the lesion tissue with applied high frequency, and the other treatment tools include a needle, knife, marker, endoscope, It may be a treatment instrument differently selected from the group consisting of a biopsy instrument and a hemostatic clip.

In the embodiments of FIGS. 1 to 5 , the first treatment instrument 10 is a snare and the second treatment instrument 30 is a needle. The snare, which is the first treatment instrument 10, receives high-frequency power, is discharged from the tube 80 to form a snare, captures the protruding lesion tissue, and removes the lesion tissue as it is drawn into the tube 80. am. The snare is characterized by a large operating range that is drawn in or withdrawn from the tube 80 in order to form a sufficient snare diameter. In general, the snare should be capable of being manipulated at a forward and backward distance of about 60 to 64 mm by pushing or pulling the handle part 50 .

On the other hand, the needle, which is the second treatment tool 30, is a treatment tool for washing or penetrating the diseased tissue and injecting a chemical solution. If the needle is exposed too much from the tube 80, it may inadvertently penetrate deeply into the lesion tissue or cause unnecessary wounds, so it has a characteristic of having a small operating range so that only the sharp end can be exposed. In general, the needle should be capable of being manipulated at a retracting distance of about 14 to 17 mm by pushing or pulling the handle part 50 .

The first treatment tool 10 and the second treatment tool 30 are locked by the fixing pin 105 in the independent operation section of the handle part 50 so that only the other treatment tool is driven forward and backward. can The independent manipulation section expressed in this specification may be understood as a sliding section of the handle part 50 capable of independently manipulating the first treatment instrument 10 or the second treatment instrument 30 . Preferably, the independent manipulation section may be interlocked with a treatment instrument requiring a large driving range among the two treatment instruments. Although described later with reference to FIGS. 2 to 5 , in this embodiment, the first treatment instrument 10 requiring a large drive range has an independent operation section, and the second treatment instrument 30 is the first treatment instrument 10 has an independent drive range within the drive range of

In order to implement a mechanism having an independent manipulation section, the medical ejection device 1 according to the present embodiment includes a manipulation module 100 configured to fix other treatment tools, and a fixing pin 105 of the manipulation module 100. The driving of the first treatment instrument 10 or the second treatment instrument 30 according to the position of ) will be described later with reference to FIGS. 4 and 5 .

The knife ring 40 may be located at the front end of the tube 80, and the knife ring 40 may be located at the end of the first treatment instrument 10. The knife ring 40 is formed to have a length similar to the inner diameter of the tube 80 and is combined with the first treatment instrument 10 to prevent vertical or horizontal shaking when the first treatment instrument 10 advances and retreats. Accordingly, the knife ring 40 can maintain the path of the snare wire.

The handle part 50 can manipulate the first treatment instrument 10 or the second treatment instrument 30 having an independent manipulation section. As conventional prior literature, various ejection mechanisms using ESD knives and needles in combination have been proposed, but conventional prior literature generally consists of a plurality of operating means (handles) to manipulate a plurality of treatment tools, respectively. That is, a first handle for manipulating the ESD knife to advance and retreat and a second handle for manipulating the needle to advance and retreat are configured in parallel to enable independent manipulation of a plurality of treatment instruments. However, from the point of view of a medical operator who operates an ejection device with only one hand while looking at an endoscope, the fact that the handle for each treatment tool is separately configured makes precise operation more difficult.

Accordingly, in the present embodiment, the handle part 50 is configured to drive both the first treatment instrument 10 and the second treatment instrument 30, and is designed to be the same as the operating environment for manipulating one treatment instrument. convenience was considered. In addition, the handle part 50 according to the present embodiment has a feature configured to selectively discharge the first treatment instrument 10 or the second treatment instrument 30 with only one sliding operation.

The handle part 50 may include a fixed handle 501 and a manipulation handle 503 . For convenience of description, the terms of the handle are classified into a fixed handle and a control handle, but both the fixed handle 501 and the control handle 503 represent the configuration of a handle that is operated with one hand.

The fixing handle 501 can accommodate the user's thumb, and the manipulation handle 503 can accommodate other fingers other than the user's thumb. The fixing handle 501 may be provided to enable relative movement with the manipulation handle 503 . Referring to FIG. 1 , the fixed handle 501 is formed at the rear end of the main body 90 and may refer to a fixed structure that is not moved among the components of the handle portion 50 that the user manipulates by hand.

The manipulation handle 503 is relatively movable from the fixed handle 501 and is configured to push or pull the first treatment instrument 10 or the second treatment instrument 30 . The driving range of the control handle 503 varies depending on whether it is the first treatment instrument 10 or the second treatment instrument 30, and the user manipulates the control handle 503 to eject the treatment instrument for treatment. can

The first cylinder 60 is provided in the main body 90 and refers to an extended area connecting the handle portion 50 and the second treatment instrument 30, and the first cylinder 60 is a manipulation handle 503 It is driven together during forward/backward driving of the second treatment instrument 30 to advance or retreat. That is, the second treatment tool 30 is not directly connected to the handle part 50, but can be indirectly manipulated through the first cylinder 60 by manipulating the handle part 50. The first cylinder 60 extends from the second treatment instrument 30 to the manipulation handle 503 and is partially vacant in an area where the manipulation module 100 is located. This is a structure enabling movement of the manipulation module 100. This will be described in detail in FIG. 3 below.

The second cylinder 61 is provided in the main body 90 and refers to an extended area connecting the handle portion 50 and the first treatment instrument 10 . The second cylinder 61 can move the first treatment instrument 10 forward or backward by being driven together when the manipulation knob 503 moves forward or backward, in a similar principle to the first cylinder 60 . That is, the first treatment instrument 10 is not directly connected to the handle part 50, but can be indirectly manipulated through the second cylinder 61 by manipulating the handle part 50.

A power cable for applying high frequency to the first treatment instrument 10 may be connected to the power connection unit 70 . According to this embodiment, the other end of the first treatment instrument 10 is fixed to the power connection unit 70 to supply power. Note that the power connection unit 70 is formed to enable sliding movement. A conventional handpiece medical discharge mechanism is configured such that a jack for connecting power is fixedly coupled to an area adjacent to a handle operated by an operator. In the conventional handpiece medical ejection mechanism, when a medical worker connects a power jack to a high-frequency knife at a procedure site, it is common that the power cable interferes with the operation radius of the handle. As in the prior art, when the power connection portion to which the jack is coupled to the handpiece medical dispensing device is fixedly formed, the power cable interferes with the operation of the delicate high-frequency knife or distorts the center of gravity, making the procedure difficult. The power connection unit 70 according to the embodiment is configured to adjust the distance away from the handle unit 50 in consideration of the above, and inconvenience in operation due to the power cable connected to the power connection unit 70 so as not to cause

The tube 80 starts from the front end of the body 90 and defines an area inserted into the body. The first treatment instrument 10 and the second treatment instrument 30 may penetrate.

The manipulation module 100 may include a fixing shaft 101, a fixing pin button 103, and a fixing pin 105, and may use either the first treatment instrument 10 or the second treatment instrument 30. It can be controlled by running. In more detail, the fixing pin 105 of the operation module 100 fixes and locks some of the first treatment instruments 10 to the third treatment instruments 11 so that unlocked treatment instruments can be driven. The fixing pin 105 may fix either the first treatment instrument 10 or the second treatment instrument 30 to maintain it in a non-driving state. The fixing pin button 103 can manipulate the fixing pin 105, and more specifically, the fixing pin 105 can be indirectly manipulated by the fixing pin button 103.

As will be described later with reference to FIG. 3 , in an embodiment of the present invention, the control module 100 can move up and down, and among the control modules 100, the fixing pin 105 for directly controlling the treatment tool is the fixing shaft 101 ), it can be moved within a range that does not deviate from the fixed axis 101. The fixing pin 105 is located inside the main body 90 and can be operated indirectly by the fixing pin button 103 provided on the outside of the main body 90 instead of direct manipulation. The fixing pin 105 is moved by the fixing pin button 103 so that some of the treatment tools at the corresponding position can be fixed.

FIG. 2 shows two different types of medical discharge instruments according to an embodiment of the present invention, in which the first treatment instrument 10 is a snare and the second treatment instrument 30 is a needle.

In more detail, FIG. 2A is a front view in which the first treatment instrument 10 and the second treatment instrument 30 are inserted into the tube 80 . The tube 80 may form a plurality of lumens in the longitudinal direction, and the first treatment instrument 10 and the second treatment instrument 30 may be separately provided in each lumen. Referring to FIG. 2A , the tube 80 forms a first lumen 801 and a second lumen 803 divided into upper and lower portions. The second treatment instrument 30 is provided in the first lumen 801 provided above the inside of the tube 80, and the first treatment instrument 10 is provided in the first lumen 801 provided below. As shown in FIG. 2A , since two treatment instruments are provided separately inside the tube 80, a specific treatment instrument can be driven more stably without affecting other treatment instruments.

In particular, note that the first treatment instrument 10 can be stably driven inside the second lumen 803 without shaking. The knife ring 40 is directly coupled to the first treatment instrument 10 at the distal end of the first treatment instrument 10 . In the first treatment instrument 10, which is a snare, two elastic wires constituting the snare inside the second lumen 803 are contracted within the range of the horizontal length of the second lumen 803 to maintain tension. Therefore, the first treatment instrument 10 can be stabilized without shaking in the transverse direction by the elasticity of the wire.

On the other hand, since the first treatment instrument 10 forms a space separated from the tube 80 in the vertical direction perpendicular to the wire, there is a risk of shaking up and down when moving forward and backward inside the tube 80. However, since the first treatment tool 10 is connected to the knife ring 40 formed similarly to the vertical length of the second lumen 803, such shaking can be prevented. Therefore, the first treatment instrument 10 can be prevented from shaking up and down inside the second lumen 803 through the knife ring 40, and can be prevented from shaking left and right inside the second lumen 803 through the wire. It can be.

2B is a cross-sectional view of a state in which the first treatment instrument 10 is provided inside the tube 80. 2C is a state in which the first treatment instrument 10 is discharged to the outside of the tube 80.

The first treatment tool 10 is a snare capable of trapping and excising the protruding lesion tissue by forming a snare. A snare can consist of two wires. In a state where the wire is penetrated into the tube 80, expansion is limited by the range of the inner diameter of the tube 80. However, when the snare is discharged out of the tube 80 to capture the diseased tissue, the two wires diverge in opposite directions outside the tube 80 to form a circular snare.

Referring to FIGS. 2B and 2C , the front end of the first treatment instrument 10 may be coupled to the knife ring 40 . The knife ring 40 may have a prism shape in which a central portion is penetrated and an outer surface is angular. Alternatively, the knife ring 40 may have a hexagonal nut shape. Accordingly, the first treatment tool 10 can be connected through the central portion of the knife ring 40 .

Meanwhile, the front end of the snare wire may be formed in a shape in which a portion thereof is bent after penetrating the central portion of the knife ring 40 . The front end of the wire has a bent shape, and even when the front end of the wire is discharged to the outside of the tube 80, it is not deformed into a circular shape like the middle and rear ends of the wire forming a circular snare. Therefore, the knife ring 40 can maintain a position on the same line as the center point of the inner diameter of the tube 80 without moving along the wire.

Referring to FIG. 2B , two of the outer surfaces of the knife ring 40 may be symmetrical, and the distance between the two symmetrical surfaces may be similar to the vertical length of the second lumen 803 . Therefore, as described above, the first treatment instrument 10 can be stably moved forward and backward without shaking inside the tube 80 by tension between the two symmetrical surfaces of the knife ring 40 and the wire.

The needle invades the submucosa of the lesion tissue and injects a liquid for swelling the tissue into the lesion tissue, thereby allowing the tissue to swell.

3 shows the operation of the control module 100 according to an embodiment of the present invention and the operation of the handle part 500 and the treatment tool according to the position of the control module 100. In the embodiment of the present invention, the main body 90 ) The inside is divided into two lumens, the second treatment instrument 30 is provided in the upper first lumen 801, and the first treatment instrument 10 is provided in the lower second lumen 803. The fixing pin 105 can move up and down with respect to the fixing shaft 101, and depending on the position of the fixing pin 105, some treatment tools are locked so that the treatment tools can be driven independently. The shaft 101 may be positioned inside the tube 90 between the first treatment instrument 10 and the second treatment instrument 30. The fixing pin 105 is fixed with the fixing shaft 101 as the center. It can move up and down within a range that does not deviate from the axis 101. The fixing pin 105 may be in the form of a cylinder or a prismatic column, and the horizontal length (diameter) of both ends of the fixing pin 105 is the width of the column portion. It may be longer than the length (diameter) and may have a shape similar to that of a ball. The movement range of may be limited.

The fixing pin 105 can be manipulated through the fixing pin button 103. The user of the present invention can operate the fixing pin 105 by manipulating the fixing pin button 103 located outside the main body 90 instead of directly manipulating the fixing pin 105 located inside the main body 90 . The fixing pin button 103 can move the fixing pin 105 by pushing or pressing the fixing pin 105 in contact with one end surface of the fixing pin 105 . The fixing pin button 103 is located on the same vertical line as the fixing pin 105 when manipulating the fixing pin 105, and can slide along with the manipulation knob 503 at the tip of the manipulation knob 503.

3a is a state when the fixing pin 105 and the fixing pin button 103 are raised, and FIG. 3b is a state driven by the control handle 503 when the fixing pin 105 is raised.

Referring to FIG. 3A , when the user lifts the fixing pin button 103 upward, the lower end of the fixing pin button 103 moves upward and engages the second cylinder 61 . In addition, the lower end of the fixing pin button 103 contacts the lower end of the fixing pin 105, and pushes the lower end of the fixing pin 105 up to the fixing shaft 101. The fixing pin button 103 is inserted into the second cylinder 61 so that the inside of the main body 90 is connected from the first treatment instrument 10 to the manipulation handle 503. On the other hand, the top of the fixing pin 105, that is, the first cylinder 60 is not coupled to the fixing pin button 103, so a part may be empty.

FIG. 3B shows the upward movement of the fixing pin 105. The fixing pin 105 is inserted into a part of the first cylinder 60 to control the driving of the first cylinder 60 and the second instrument 30. do. In addition, since the upper end of the fixing pin button 103 rises and leaves the main body 90, the first cylinder 60 is not coupled with the fixing pin button 103, so that a part of the first cylinder 60 becomes empty. Therefore, since the driving force is not transmitted from the manipulation handle 503 to which the user applies the driving force to the first cylinder 60, the second treatment instrument 30 connected to the first cylinder 60 is not driven. On the other hand, since the second cylinder 61 has a fixed pin button 103 coupled to an empty part and does not have a fixed pin 105 for controlling driving, it can be driven together when the manipulation knob 503 moves forward and backward.

Figure 3c is a state when the fixing pin 105 and the fixing pin button 103 are lowered, Figure 3d is a state driven by the control knob 503 when the fixing pin 105 is lowered. Figures 3c and 3d can be understood as the same principle as the operation opposite to the above-described FIGS. 3a and 3b.

When the user lowers the fixing pin button 103, the upper end of the fixing pin button 103 lowers the top surface of the fixing pin 105 to the fixing shaft 101 and is coupled to the first cylinder 60. With the insertion of the fixing pin button 103, the inside of the main body 90 is connected from the second treatment instrument 30 to the operating handle 503, but the bottom of the fixing pin 105, that is, the second cylinder 61 is partially may be empty.

3D shows the fixing pin 105 being moved downward, and the fixing pin 105 is inserted into a part of the second cylinder 61 to control driving of the second cylinder 61 and the first treatment instrument 10. do. In addition, since the lower end of the fixing pin button 103 descends and leaves the main body 90, the second cylinder 61 is not coupled with the fixing pin button 103, so that a part of the second cylinder 61 becomes empty. Accordingly, the first treatment instrument 10 is not driven, and the second treatment instrument 30 can be driven together with the first cylinder 60 when the manipulation handle 503 moves forward and backward.

4 shows how the first treatment instrument 10 is driven when the manipulation module 100 according to an embodiment of the present invention is raised. 4, as described above, the first treatment instrument 10 and the second treatment instrument 30 are separately provided in the first and second lumens 801 and 803.

As shown in the upper part of FIG. 4 , since the operation module 100, that is, the fixing pin 105 is raised, the first cylinder 60 and the second treatment tool 30 are locked, and the fixing pin button 103 is It is coupled with the second cylinder (61). After manipulating the fixing pin 105, as shown in the lower part of FIG. 4, the user can manipulate the handle part 50, more preferably the manipulation handle 503. The user grips the fixed handle 501 of the handle part 50 with his thumb, grips the control handle 503 with his fingers excluding the thumb, and then applies pressure to advance and retreat the first treatment instrument 10 so that the tube 80 ) can be discharged out. The user can physically manipulate the manipulation handle 503 to manipulate the first treatment instrument 10 in the range D1, which is an independent manipulation section of the first treatment instrument 10. At this time, since the second treatment instrument 30 is locked to the fixing pin 105, the second treatment instrument 30 is not driven when the user advances the manipulation handle 503 toward the front end of the main body 90. In the embodiment of the present invention, since the first treatment instrument 10 is a snare, D1 can be driven at 60 to 64 mm.

5 shows a state in which the second treatment tool 30 is driven when the manipulation module 100 according to an embodiment of the present invention is lowered. FIG. 5 has the same structure as FIG. 4, and in FIG. 5, since the operation module 100, that is, the fixing pin 105 is moved downward, the first treatment tool 10 provided in the second lumen 803 is locked. is in a state of being

The user can lower the fixing pin 105 as shown at the top of FIG. 5 and manipulate the handle portion 50 as shown at the bottom of FIG. 5 . When the user grips the fixing handle 501 with his or her thumb, grips the control handle 503 with a finger other than the thumb, and then applies pressure, the second treatment tool 30 advances and retreats and is discharged out of the tube 80. The locked first treatment instrument 10 is not driven. The user can physically manipulate the manipulation handle 503 to manipulate the second treatment instrument 30 in the range D2, which is an independent manipulation section of the second treatment instrument 30. In the embodiment of the present invention, since the second treatment instrument 30 is a needle, D2 can be driven in the range of 14 to 17 mm.

Although the present invention has been described in detail through representative embodiments, those skilled in the art will understand that various modifications are possible to the above-described embodiments without departing from the scope of the present invention. will be. Therefore, the scope of the present invention should not be limited to the described embodiments and should not be defined, and should be defined by all changes or modifications derived from the claims and equivalent concepts as well as the claims to be described later.

1: medical dispensing device
10: 1st treatment tool
30: 2nd treatment tool
40: knife ring
50: handle part
501: fixed handle
503: operating knob
60: first cylinder
61: second cylinder
70: power connection
80: tube
801 first lumen
803 second lumen
90: body
100: operation module
101: fixed axis
103: fixing pin button
105: fixing pin

Claims (5)

In the medical discharge device that can be used in combination with two treatment tools,
main body;
a tube connected to the main body and having a first treatment instrument and a second treatment instrument therein;
a first cylinder having an empty space on one side and advancing and retracting the second treatment instrument;
a second cylinder having an empty space on one side and advancing and retracting the first treatment instrument;
a fixing pin fixing one of the first treatment instrument or the second treatment instrument to maintain it in a non-driving state; and
Including; a fixing pin button for indirectly manipulating the fixing pin;
The fixing pin button,
It is inserted into the empty space of the first cylinder or the second cylinder for coupling with the first cylinder or the second cylinder from the outside of the body, and when coupled with the first cylinder, the coupling with the second cylinder is released. When coupled with the 2nd cylinder, the coupling with the 1st cylinder is released,
The fixing pin is
It is inserted into the empty space of the first cylinder or the second cylinder inside the main body to lock any one of the treatment instruments, and is indirectly operated as the fixing pin button is coupled to the first cylinder or the second cylinder. It is inserted into the second cylinder or the first cylinder,
A medical discharge device characterized in that the driving force is transmitted to the cylinder coupled to the fixing pin button and at the same time the driving force is not transmitted to the cylinder locked by the fixing pin and released from the locking pin button.
According to claim 1,
The medical ejection device further comprising a handle capable of driving a non-driven treatment instrument and independently manipulating the first treatment instrument or the second treatment instrument.
According to claim 1,
Further comprising a fixed shaft located between the first cylinder and the second cylinder,
The fixing pin is
A medical discharge device, characterized in that it moves around the fixed shaft within a range that does not deviate from the fixed shaft.
According to claim 3,
The fixing pin is
It is shaped like a column, but the horizontal length (diameter) of both ends is formed in a gong shape longer than the horizontal length (diameter) of the column portion, and the end is caught on the fixed shaft during movement to limit the movement range. .
According to claim 1,
When the operating range of the first treatment tool is the first driving range and the operating range of the second treatment tool is the second driving range,
The first driving range is greater than the second driving range,
The medical discharge device, characterized in that the second driving range is included in the first driving range.

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