WO2023128376A1 - Multifunctional medical forceps - Google Patents

Abstract

The present invention relates to a multifunctional medical forceps. The medical forceps according to an embodiment of the present invention comprises: a body; a plurality of first arms which extend from one side of the body; and a plurality of second arms which are accommodated in the plurality of first arms respectively, and are extended out of or retracted into the first arms by a handle disposed at one side of the first arms.

Description

Multifunctional medical forceps

The present invention relates to medical forceps, and more particularly, to medical forceps having various shapes and functions.

Forceps are used to pick up tissues that are difficult to pick up by hand during histopathological examination. In general, the forceps have a shape of a forceps, and the portion to hold the tissue has a single shape and size. Therefore, when the tissue size and shape or other physical properties are different, it is inconvenient to alternately use different forceps.

In addition, conventional forceps pose a risk of injury when the examiner holds the forceps with one hand and cuts the tissue using a knife with one hand when tissue is cut during histopathological examination.

In addition, since conventional forceps have small and sharp gripping parts, it is difficult to move small and slippery tissues in a pinched state, and there is a risk of losing them.

Such prior art is technical information possessed by the inventor for derivation of the present invention or acquired during the derivation process of the present invention, and cannot necessarily be referred to as known art disclosed to the general public prior to filing the present invention.

The present invention is an invention to solve the above problems, and provides forceps capable of easily gripping various tissues by having gripping parts of different shapes and sizes.

However, these problems are exemplary, and the problem to be solved by the present invention is not limited thereto.

A medical forceps according to an embodiment of the present invention is provided by a body, a plurality of first arms extending from one side of the body, and a handle accommodated in the plurality of first arms and disposed on one side of the first arm. It includes a plurality of second arms drawn from and drawn inside the first arm.

In the medical forceps according to an embodiment of the present invention, the plurality of second arms may individually advance and retreat within the plurality of first arms.

In the medical forceps according to an embodiment of the present invention, the plurality of first arms include a support portion extending from the body and a bent portion extending from the support portion at an angle toward each other, and the plurality of second arms include the support portion extending from the body. It is inserted into the inside of the bent part and can move forward and backward.

In the medical forceps according to an embodiment of the present invention, the plurality of second arms move along the bent part, protrude outward from the bent part through an opening formed at the front end of the bent part, or be inserted into the bent part. can

In the medical forceps according to an embodiment of the present invention, a pair of handles are provided on the outside of the plurality of first arms, and the plurality of second arms may be respectively connected to one side.

In the medical forceps according to an embodiment of the present invention, the plurality of first arms include guide rails for guiding the movement of the handles by exposing the plurality of second arms accommodated therein, and the plurality of handles It protrudes outward through the guide rail and may include one or more protrusions inserted into the guide rail.

In the medical forceps according to an embodiment of the present invention, the guide rail has a plurality of concavities and convexities disposed along the longitudinal direction, and the one or more protrusions are inserted into or formed from the plurality of concavities and convexities as the handle is moved forward and backward. By separating, the position of the first arm may be maintained.

The medical forceps according to an embodiment of the present invention may further include a cutter connected to the body through a connecting portion and extending between the plurality of first arms.

In the medical forceps according to an embodiment of the present invention, the connection part may include an angle adjusting pin capable of adjusting the inclination of the cutter.

The medical forceps according to an embodiment of the present invention may further include a net disposed at an end of at least one of the plurality of second arms.

Other aspects, features, and advantages other than those described above will become clear from the detailed description, claims, and drawings for carrying out the invention below.

Medical forceps according to an embodiment of the present invention can hold tissue samples having various sizes and shapes.

In the medical forceps according to an embodiment of the present invention, an operator can perform gripping and cutting operations simultaneously with one hand.

The medical forceps according to one embodiment of the present invention can move safely by inserting them into a net without having to move them to accommodate them in another container while holding the tissue sample.

1 shows a medical forceps according to an embodiment of the present invention.

2 shows a state in which the second arm of the medical forceps operates according to an embodiment of the present invention.

3 is an enlarged view of a second arm according to an embodiment of the present invention.

4 and 5 show a state in which the medical forceps according to an embodiment of the present invention grip different samples.

6 shows a medical forceps according to another embodiment of the present invention.

7 shows a state in which the medical forceps operate according to another embodiment of the present invention.

8 and 9 show a medical forceps according to another embodiment of the present invention.

A medical forceps according to an embodiment of the present invention is provided by a body, a plurality of first arms extending from one side of the body, and a handle accommodated in the plurality of first arms and disposed on one side of the first arm. It includes a plurality of second arms drawn from and drawn inside the first arm.

Since the present invention can apply various transformations and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the description of the invention. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all conversions, equivalents, or substitutes included in the spirit and scope of the present invention. In describing the present invention, even if shown in different embodiments, the same identification numbers are used for the same components.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, and when describing with reference to the drawings, the same or corresponding components are assigned the same reference numerals, and overlapping descriptions thereof will be omitted. .

In the following embodiments, terms such as first and second are used for the purpose of distinguishing one component from another component without limiting meaning.

In the following examples, expressions in the singular number include plural expressions unless the context clearly dictates otherwise.

In the following embodiments, terms such as include or have mean that features or components described in the specification exist, and do not preclude the possibility that one or more other features or components may be added.

In the drawings, the size of components may be exaggerated or reduced for convenience of description. For example, since the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of description, the present invention is not necessarily limited to the illustrated bar.

In the following embodiments, the x-axis, y-axis, and z-axis are not limited to the three axes of the Cartesian coordinate system, and may be interpreted in a broad sense including these. For example, the x-axis, y-axis, and z-axis may be orthogonal to each other, but may refer to different directions that are not orthogonal to each other.

When an embodiment is otherwise implementable, a specific process sequence may be performed differently from the described sequence. For example, two processes described in succession may be performed substantially simultaneously, or may be performed in an order reverse to the order described.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. In this application, the terms "include" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

1 shows a medical forceps 10 according to an embodiment of the present invention, and FIG. 2 shows a state in which the second arm 300 of the medical forceps 10 according to an embodiment of the present invention operates. 3 shows an enlarged second arm 300 according to an embodiment of the present invention, and FIGS. 4 and 5 show the medical forceps 10 according to an embodiment of the present invention gripping different tissue samples (S). indicates the state of

Referring to FIGS. 1 to 5 , the medical forceps 10 according to an embodiment of the present invention are used by a worker to grip tissue during a tissue pathology examination. The operator may perform visual observation, cutting, solution treatment, and the like for tissue examination while holding the tissue sample S with the medical forceps 10 .

In one embodiment, the medical forceps 10 may have a tongs shape or a chopstick shape as a whole. The medical forceps 10 may have a shape bent one or more times in the longitudinal direction.

The medical forceps 10 according to an embodiment of the present invention may include a body 100 , a first arm 200 , a second arm 300 and a handle 400 .

The body 100 is disposed on one side of the medical forceps 10 and supports other components of the medical forceps 10 . For example, the body 100 is disposed at the rear end of the medical forceps 10 and may have a block or box shape. In addition, the body 100 may have an extension portion extending from the front side and connected to the first arm 200 .

The first arm 200 extends from one side of the body 100 as a part for gripping the tissue sample S. For example, a pair of first arms 200 may be provided and may extend from one side of the body 100 toward the front end of the medical forceps 10 .

In one embodiment, the first arm 200 may be straightly extended in the longitudinal direction or bent one or more times. For example, intervals between the plurality of first arms 200 may vary along the longitudinal direction. More specifically, as shown in FIG. 1, the plurality of first arms 200 have a constant distance therebetween in the vicinity of an area directly connected to the body 100, and thereafter, the plurality of first arms 200 have a plurality of first arms ( 200) may have a shape in which the plurality of first arms 200 converge with each other so that the interval gradually decreases after a certain point after being widened. In another embodiment, the plurality of first arms 200 may be spaced at regular intervals throughout the longitudinal direction.

In one embodiment, a pair of first arms 200 may be provided.

In FIG. 1, the first arm 200 has a shape having a constant height and thickness along the longitudinal direction, but is not limited thereto. For example, the height of the first arm 200 is lowered toward the front end or the thickness is reduced so that the operator can easily grip the tissue sample S of a small size and fully convey the sensation when the tissue sample S is gripped. can be thinned

In one embodiment, the first arm 200 may include a non-slip member (not shown) on an outer surface. The non-slip member may be made of a material having high frictional force such as rubber and may be additionally attached to the outer surface of the first arm 200 . Alternatively, the anti-slip member may be a concave-convex shape formed on an outer surface of the first arm 200 .

In one embodiment, the first arm 200 may include a support part 210 and a bent part 220 .

As shown in FIGS. 1 and 2 , the support portion 210 is a portion directly connected to the body 100 and may extend while widening toward the outside of the medical forceps 10 .

The bent portion 220 extends from the end of the support portion 210 toward the front end of the medical forceps 10, and may extend while being curled toward the inside of the medical forceps 10.

In one embodiment, a second arm 300 to be described below may be disposed at the bent portion 220 . An opening 211 through which the second arm 300 disposed inside the bent portion 220 protrudes may be formed at the tip of the bent portion 220 , that is, at the tip of the medical forceps 10 . The second arm 300 may protrude out of the medical forceps 10 through the opening 211 or may enter the inside of the medical forceps 10 again.

The outer surface of the bent part 220 exposes the second arm 300 accommodated inside the bent part 220, and is disposed on one side of the first arm 200, more specifically, on one side of the bent part 220. A guide rail 222 guiding the movement of the handle 400 may be disposed.

As shown in FIGS. 1 to 3 , the guide rail 222 may be formed on an outer surface of the bent portion 220 to expose at least a portion of the inside of the bent portion 220 . In one embodiment, the guide rail 222 may be a slit, hole, or groove formed in the longitudinal direction of the bent portion 220 . The guide rail 222 guides the movement of the handle 400 to be described later, so that the second arm 300 moves forward and backward.

In one embodiment, the guide rail 222 may include a plurality of concavo-convex portions including a plurality of concave portions 222a and convex portions 222b. As shown in FIG. 3, a plurality of concave portions 222a and convex portions 222b are alternately disposed along the length direction of the guide rail 222, and are coupled with one or more protrusions 410 of the handle 400. can The protrusion 410 formed on one side of the handle 400 may be interposed between the concave portion 222a and the convex portion 222b to fix the position of the second arm 300 . Alternatively, when the user pushes or pulls the handle 400, the protrusion 410 deviates from the unevenness, and the second arm 300 may move.

In one embodiment, the unevenness may be disposed on only one side of the guide rail 222 . For example, as shown in FIG. 3 , the irregularities may be disposed only on the upper side of the guide rail 222 . Alternatively, the unevenness may be disposed only on the lower side of the guide rail 222 .

In one embodiment, the first arm 200 may include a pair of a first left arm 200a and a second right arm 200b. The first left arm 200a and the first right arm 200b have the same size and shape, and may be symmetrical with respect to the longitudinal axis of the medical forceps 10 .

The second arm 300 may be used to hold the tissue sample S simultaneously with the first arm 200 or instead of the first arm 200 . The second arm 300 is accommodated in the first arm 200 and is drawn out from the inside of the first arm 200 by the handle 400 disposed on one side of the first arm 200, or the first arm 200 ) can be drawn into the interior of For example, a pair of second arms 300 may be provided and may be respectively disposed on the pair of first arms 200 .

In one embodiment, the plurality of second arms 300 may individually advance and retreat while being disposed inside the plurality of first arms 200 . For example, the plurality of second arms 300 may move independently of each other by individually manipulating handles 400 corresponding to respective second arms 300 .

In one embodiment, the second arm 300 may have a smaller width and height than the first arm 200 . In particular, as shown in FIGS. 1 to 3 , the second arm 300 may have a shape gradually tapering toward the front end like a pair of tweezers. Accordingly, the operator can easily grip a tissue sample S having a fine size through the second arm 300 .

The second arm 300 may be connected to the handle 400 at one side. When the user pushes the handle 400 , at least a portion of the second arm 300 accommodated inside the first arm 200 may be exposed to the outside of the first arm 200 through the opening 221 . When the user pulls the handle 400 again, the second arm 300 enters the inside of the first arm 200 through the opening 221 .

In one embodiment, both ends of the second arm 300 in the height direction may be supported by the inner side of the guide rail 222 . For example, as shown in FIG. 3 , the second arm 300 may be supported by the guide rail 222 so that the second arm 300 does not escape outward while being accommodated inside the first arm 200 .

In one embodiment, the plurality of second arms 300 may move along the bent portion 220 . For example, the plurality of second arms 300 may extend so that their tips come closer to each other, similar to the plurality of bent parts 220 that approach each other. In one embodiment, the plurality of second arms 300 may move in parallel with the bent portion 220 . Alternatively, the plurality of second arms 300 may move at a predetermined angle with respect to the bent portion 220 .

The handle 400 adjusts the position of the second arm 300 . For example, the handle 400 may be disposed on one side of the first arm 200 and coupled with the second arm 300 . A part of the handle 400 may be disposed inside the guide rail 222 and connected to the second arm 300, and the remaining part may be disposed outside the guide rail 222. A material with high frictional force may be disposed on the outside of the handle 400 or irregularities may be formed to prevent slipping. The operator may adjust the position of the second arm 300 while pulling or pushing the handle 400 .

In one embodiment, the handle 400 may include one or more protrusions 410 inserted into the guide rail 222 . As shown in FIG. 3 , the guide rail 222 may include a plurality of concavo-convex portions including a plurality of concave portions 222a and a plurality of convex portions 222b. And the protrusion 410 may include a protrusion 410 corresponding to the irregularities. In a state in which the handle 400 is not moved, the protrusion 410 may remain inserted into the unevenness. The protrusion 410 may be inserted into the concave portion 222a, and the movement may be blocked by the convex portion 222b unless force of a certain size or more is applied. Then, when the operator pushes or pulls the handle 400, the protrusion 410 may move beyond the convex portion 222b and leave the concave portion 222a. For reference, FIG. 3 shows only a portion of the handle 400 inserted into the guide rail 222 for convenience of description.

Through this configuration, the operator can easily grip tissue samples S having different sizes and shapes. For example, as shown in FIG. 4 , when the tissue sample S is relatively large, the operator can grip the tissue sample S only with the first arm 200 without using the second arm 300. . Alternatively, as shown in FIG. 5 , when the tissue sample S is relatively small, the operator moves the second arm 300 a certain distance using the handle 400, and then moves the tissue sample (S) with the second arm 300 ( S) can be grasped.

6 shows a medical forceps 10A according to another embodiment of the present invention, and FIG. 7 shows an operating state of the medical forceps 10A according to another embodiment of the present invention.

Compared to the medical forceps 10 according to the above-described embodiment, the medical forceps 10A according to the embodiment shown in FIGS. 6 and 7 may have different configurations regarding the body 100A and the cutter 500A, , the rest of the configuration may be the same. A detailed description thereof is omitted.

As shown in FIGS. 6 and 7 , the medical forceps 10A may include a body 100A, a first arm 200A, a second arm 300A, a handle 400A, and a cutter 500A.

The body 100A is disposed on one side of the medical forceps 10A and supports other components of the medical forceps 10A. In one embodiment, the body 100A may have a block or box shape. In addition, the height of the body 100A is higher than that of the upper end of the first arm 200A, and may form a step with the upper end of the first arm 200A.

In one embodiment, the body 100A may include an accommodation space 120A in which a cutter 500A to be described later is accommodated. Accommodating space (120A) may be formed between a plurality of extensions extending from the front of the body (100A). The extension part extends lower than the upper surface of the body 100A and may have the same height as the first arm 200A.

Cutter (500A) is disposed on one side of the body (100A) may be used to cut the tissue sample (S). For example, the cutter 500A is disposed between the plurality of first arms 200A, and one end may be disposed in the accommodation space 120A of the body 100A. The cutter (500A) may cut the tissue sample (S) while rotating in a state in which one end is connected to the body (100A).

In one embodiment, the cutter 500A may include a blade 510A, an angle adjusting pin 520A, and a return spring 530A.

The blade 510A may be disposed between the plurality of first arms 200A to cut the tissue sample S gripped by the first arm 200A or the second arm 300A. For example, the operator holds the tissue samples S by pressing the plurality of first arms 200A or the plurality of second arms 300A with thumbs and middle fingers, and presses the blades 510A with index fingers or the other hand. The tissue sample S may be cut by rotating it downward.

One end of the blade 510A is disposed in the accommodating space 120A of the body 100A and may be connected to an angle adjusting pin 520A inserted into the accommodating space 120A. Angle adjusting pin (520A) is inserted through the extension of the body (100A), it may be connected to one end of the blade (510A). The blade 510A may be maintained at a predetermined position or angle until more than a predetermined force is applied to the angle adjusting pin 520A.

In one embodiment, a plurality of blades 510A may be provided. For example, in FIG. 7 , a plurality of blades 510A are positioned at regular intervals or at different intervals in the width direction, and may be connected to a plurality of return springs 530A or one return spring 530A. Accordingly, the plurality of blades 510A may cut the tissue sample S into a plurality of pieces at once.

In one embodiment, the plurality of blades 510A may include fixed blades and rotary blades. For example, one of the two blades 510A may be fixed between the second arms 200A. Here, one end of the fixed blade may be disposed to support one side of the tissue sample (S). Also, the other blade 510A may have the above-mentioned configuration so as to be rotatable towards the fixed blade. Accordingly, the fixed blade and the rotary blade forming a pair can more easily and precisely cut the tissue sample (S).

One side of the return spring 530A may be connected to the blade 510A and the other side may be connected to the body 100A. For example, as shown in FIG. 6 , the return spring 530A may have one side connected to the back of the blade 510A and the other side connected to the front of the body 100A. When the operator is not using the blade 510A, the return spring 530A is not compressed or extended. Thereafter, when the operator rotates the blade 510A downward, the return spring 530A is stretched and restoring force is generated. When the operator removes his hand from the blade 510A, the blade 510A rotates again by the return spring 530A and returns to its original position.

In one embodiment, the blade 510A may be adjustable in length. For example, although the blade 510A is illustrated as having a length corresponding to that of the first arm 200A in FIG. 6, it is not limited thereto. Blade (510A) may have a multi-stage configuration so that the length can be adjusted. When the operator grips the tissue sample S with the first arm 200A, the cutting operation may be performed while the length of the blade 510A is reduced. When the operator grips the tissue sample S with the second arm 300A, the cutting operation may be performed with the length of the blade 510A extended.

Through such a configuration, the medical forceps 10A can simultaneously perform a cutting operation while holding the tissue sample S.

8 and 9 show medical forceps 10B and 10C according to another embodiment of the present invention.

Compared to the medical forceps 10 according to the above-described embodiment, the medical forceps 10B according to the embodiment shown in FIGS. 8 and 9 may further include meshes 600B and 600C, and the rest of the configuration is the same. can do. A detailed description thereof is omitted.

As shown in Figure 8, the medical forceps (10B) may further include a net (600B).

The mesh 600B is disposed on each of the plurality of first arms 200B to accommodate the gripped tissue sample S. For example, a pair of meshes 600B may be disposed outside the tips of the plurality of first arms 200B. While holding the tissue sample S with the first arm 200B, the operator tilts the medical forceps 10B and opens the plurality of first arms 200B to accommodate the tissue sample S in the net 600B. can do.

In another embodiment, the net 600B may be disposed only on one first arm 200B among the plurality of first arms 200B, and the other first arms 200B may not have the net 600B.

In FIG. 8, a plurality of meshes 600B are shown to have the same size and shape, but are not limited thereto. For example, any one mesh 600B may have a larger size or may have a shape other than a hemispherical shape.

Similarly, as shown in FIG. 9 , the medical forceps 10C may further include a mesh 600C. The mesh 600C is disposed on each of the plurality of second arms 300C to accommodate the gripped tissue sample S. For example, a pair of meshes 600C may be disposed outside the tips of the plurality of second arms 300C. While holding the tissue sample S with the second arm 300C, the operator tilts the medical forceps 10C and opens the plurality of second arms 300C to accommodate the tissue sample S in the net 600C. can do.

In one embodiment, as the mesh 600C is disposed at the front end of the second arm 300C, the second arm 300C may always protrude from the first arm 200C. In another embodiment, the net 600C is a foldable material, and as the second arm 300C is accommodated in the first arm 200C, the net 600C is folded and accommodated inside the first arm 200C. can

In another embodiment, the net 600C may be disposed only on one second arm 300C among the plurality of second arms 300C, and the other second arms 300C may not have the net 600C.

In FIG. 9, a plurality of meshes 600C are shown to have the same size and shape, but are not limited thereto. For example, any one mesh 600C may have a larger size or a shape other than a hemispherical shape.

Through this configuration, the medical forceps 10B and 10C according to an embodiment of the present invention do not need to move while holding the tissue sample S and accommodate it in another container, and the first arm 200B or the second arm 200B The tissue sample S may be directly accommodated in the nets 600B and 600C disposed on the arm 300C. Through this, it is possible to reduce the risk of dropping or losing the tissue sample (S) in the process of moving the tissue sample (S).

As such, the present invention has been described with reference to the embodiments shown in the drawings, but this is only an example. Those skilled in the art can fully understand that various modifications and equivalent other embodiments are possible from the embodiments. Therefore, the true technical protection scope of the present invention should be determined based on the appended claims.

Specific technical details described in the embodiments are examples, and do not limit the technical scope of the embodiments. In order to briefly and clearly describe the description of the invention, descriptions of conventional general techniques and configurations may be omitted. In addition, the connection of lines or connection members between the components shown in the drawing is an example of functional connection and / or physical or circuit connection, which can be replaced in an actual device or additional various functional connections, physical connections, or circuit connections. In addition, if there is no specific reference such as "essential" or "important", it may not necessarily be a component necessary for the application of the present invention.

“Above” or similar designations described in the description and claims of the invention may refer to both singular and plural, unless otherwise specifically limited. In addition, when a range is described in an embodiment, it includes an invention in which individual values belonging to the range are applied (unless there is no description to the contrary), and each individual value constituting the range is described in the description of the invention. same. In addition, if there is no clear description or description of the order of steps constituting the method according to the embodiment, the steps may be performed in an appropriate order. Embodiments are not necessarily limited according to the order of description of the steps. The use of all examples or exemplary terms (eg, etc.) in the embodiments is simply to describe the embodiments in detail, and unless limited by the claims, the examples or exemplary terms limit the scope of the embodiments. It is not. In addition, those skilled in the art will appreciate that various modifications, combinations and changes may be made according to design conditions and factors within the scope of the appended claims or equivalents thereof.

The present invention can be used in industries related to medical forceps.

Claims (10)

body; a plurality of first arms extending from one side of the body; and A plurality of second arms each accommodated in the plurality of first arms and pulled out from and drawn into the plurality of first arms by a handle disposed on one side of the first arms; including, medical forceps . According to claim 1, The plurality of second arms individually advance and retreat inside the plurality of first arms, medical forceps. According to claim 1, The plurality of first arms include a support portion extending from the body and a bent portion inclined toward each other and extending from the support portion, The plurality of second arms are inserted into the bent portion to move forward and backward, medical forceps. According to claim 3, The plurality of second arms move along the bent portion, and protrude outward from the bent portion or are inserted into the bent portion through an opening formed at a front end of the bent portion. According to claim 1, The handle is provided on the outer side of the plurality of first arms, and the plurality of second arms are connected to one side, respectively, medical forceps. According to claim 5, The plurality of first arms include a guide rail that exposes the plurality of second arms accommodated therein and guides the movement of the handle, The plurality of handles protrude outward through the guide rail and include one or more protrusions inserted into the guide rail. According to claim 6, The guide rail has a plurality of irregularities disposed along the longitudinal direction, The medical forceps, wherein the one or more protrusions maintain the position of the first arm by being inserted into or separated from the plurality of irregularities as the handle is advanced or retracted. According to claim 1, Further comprising a cutter connected to the body through a connection portion and extending between the plurality of first arms, medical forceps According to claim 8, The connecting portion includes an angle adjusting pin capable of adjusting the inclination of the cutter, medical forceps. According to claim 1, Further comprising a net disposed at an end of at least one of the plurality of second arms, medical forceps.

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