CN210931543U - Quick extraction element of pathological tissue in art - Google Patents

Abstract

The utility model relates to a quick extraction element of pathological tissue in art, including main part, movable part and extraction portion, the main part has the interface that can hold extraction portion, and extraction portion is including holding the syringe needle of preceding push pedal, and wherein, the movable part includes movable rod and first bull stick, and first bull stick can be connected with the movable rod rotation so that the axial displacement's of preceding push pedal edge syringe needle mode. The device only needs the one hand just can realize just extracting of tissue when using, and is convenient simple, can improve the efficiency of operation in the art, saves the better treatment of time.

Description

Quick extraction element of pathological tissue in art

Technical Field

The utility model relates to a supplementary pathology field of confirming especially relates to a quick extraction element of pathological tissue in art.

Background

Pathological examination of tumors is one of the most important tumor diagnosis methods. Pathological examination can determine the diagnosis, tissue source, nature, range and the like of tumors, and provides important basis for clinical treatment. The accuracy of the pathological examination result and the control of the operation time in the operation process are important for the life safety of the patient, so that the intraoperative pathological determination means must ensure high efficiency and accuracy. The traditional pathological section needs more than ten steps of fixing, dehydrating, transparentizing and the like, the whole process lasts for 16-22 hours, so that the conventional pathological diagnosis can be completed in 3-5 working days, and the time is too long, so that the traditional pathological section is only suitable for preoperative biopsy and is not suitable for determining pathology in the operation. At present, the mode which is widely applied in the determination process of operation pathology adopts an extraction device to take some pathological tissue cells to make cytological smears for examination, the examination mode can quickly determine the pathology only in a few minutes, but the method has no special tissue cell extraction device in the application process, so a syringe is adopted for replacement, the needle head part of the syringe is too large in opening and is easy to miss tissues or puncture blood vessels, the operation difficulty is high, and a small amount of extracted tissue cells are easy to adhere to the inner wall of the needle head of the syringe, so that the difficulty is brought to the subsequent collection and examination process.

For example, chinese patent publication No. CN108186058A discloses a device for assisting in determining pathology, and in particular relates to a device for rapidly extracting pathological tissues during surgery. The device for quickly extracting pathological tissues in the operation comprises a needle cylinder, a piston arranged in the needle cylinder, a hollow push-pull rod fixedly connected with the tail end of the piston and a needle head arranged at the front end of the needle cylinder, wherein an I-shaped tissue push-out mechanism extending to the interior of the piston is arranged at the front end in the needle head; the rear end of the hollow push-pull rod is provided with a T-shaped pushing mechanism which penetrates into the hollow push-pull rod from the rear end of the hollow push-pull rod and extends to the rear end part of the piston; the piston is internally provided with a cavity, the front end part of the piston is provided with a first through hole communicated with the cavity, and the rear end part of the piston is provided with a second through hole communicated with the cavity. The device for quickly extracting pathological tissues in the operation is manufactured in an aseptic environment, the cap is sleeved after disinfection, the cap can be directly pulled down for use in the operation, the tissue extraction process is convenient and quick, and the safety is high. However, the device requires both hands of the user to operate when in use, and is inconvenient to use during operation.

Chinese patent No. CN104873230A discloses an extractor for pathological tissues in surgery, which comprises a needle tube, a piston assembled in the needle tube, a push-pull rod for controlling the movement of the piston, and a needle head installed at the front end of the needle tube, wherein the front end of the needle tip of the needle head is a circular opening, an extraction cavity capable of sliding along the needle head is assembled in the needle stem of the needle head, and the extraction cavity is connected with the piston through a connecting rod. The invention provides a special instrument capable of quickly and conveniently extracting pathology, which has the advantages of simple structure, convenience in operation and low cost; the circular needle end structure is designed, so that the influence on other tissues is reduced as much as possible under the condition that the advancing of the needle is not influenced, the bleeding probability is reduced, and the accuracy of pathological cell collection is improved; the setting of location structure such as connecting rod, extraction chamber in this scheme makes the tissue of syringe needle tip extraction all enter into the extraction chamber, and can not be detained in the syringe needle, and the extraction chamber can directly be taken out from the syringe rear portion, has greatly made things convenient for the collection process of tissue.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a quick extraction element of pathological tissue in art, including main part, movable part and extraction portion, the main part has and to hold the interface of extraction portion, extraction portion is including the syringe needle that holds preceding push pedal, wherein, the movable part includes movable rod and first bull stick, first bull stick can so that preceding push pedal is followed the axial displacement's of syringe needle mode with the movable rod rotates to be connected.

According to a preferred embodiment, the front pushing plate is fixedly connected with a baffle plate through a push rod, the baffle plate is fixedly connected with a first piston head through a spring, and the front pushing plate can be movably connected with the needle in a manner of moving along the axial direction of the needle based on the elastic force of the spring under the action of the baffle plate under the condition that the first piston head can move based on the action of the first rotating rod.

According to a preferred embodiment, the movable portion further comprises a second rotating rod, a connecting rod and a pushing handle, wherein the pushing handle is connected with the movable rod through the connecting rod, the first rotating rod is rotatably connected with the first movable mechanism in a mode that the first piston head can move axially along the main body under the action of the leftward pushing force of the movable rod, and the second rotating rod is rotatably connected with the second movable mechanism in a mode that the first piston head can move axially along the main body under the action of the rightward pushing force of the movable rod.

According to a preferred embodiment, the extraction part further comprises a rear pushing plate, wherein the rear pushing plate is fixedly connected with the baffle plate through the push rod, and the rear pushing plate can be movably connected with the first cavity in a movable manner under the action of the spring on the basis of the baffle plate under the action of the second rotating rod under the condition that the first piston head can move on the basis of the action of the second rotating rod.

According to a preferred embodiment, the first movable mechanism comprises a hollow spherical shell and a sphere, wherein the first rotating rod is movably connected with the hollow spherical shell in a rotating mode through the sphere, a channel capable of allowing the rotating rod to rotate is arranged on the hollow spherical shell, and the diameter of the sphere is smaller than the inner diameter of the hollow spherical shell.

According to a preferred embodiment, the main body is provided with a first piston part and a second piston part, wherein the second piston part comprises the first piston head, a second piston head, a fixing rod and a second cavity, wherein the first piston head is fixedly connected with the second piston head through the fixing rod, and the second cavity capable of moving the piston is arranged in the main body.

According to a preferred embodiment, the first piston portion comprises a hollow cylinder and the first cavity, wherein the hollow cylinder is fixedly connected with the second piston head, and the first cavity capable of allowing the rear push plate to move is arranged inside the hollow cylinder.

According to a preferred embodiment, the syringe needle with main part fixed connection, the diameter of preceding push pedal is less than the diameter of syringe needle, be provided with the first gas pocket that can supply gas to pass through on the preceding push pedal, be provided with mutually perpendicular on the preceding push pedal and with preceding push pedal fixed connection's first section and second section.

According to a preferred embodiment, the rear pushing plate is provided with a second air hole through which air can pass, and the diameter of the rear pushing plate is smaller than that of the first cavity.

According to a preferred embodiment, the main body is provided with a non-slip mat, and the non-slip mat is detachably connected with the main body in a magic tape mode.

The utility model provides a quick extraction element of pathological tissue in art's beneficial effect includes at least: the utility model discloses a removal between two piston portions produces the negative pressure chamber and draws the tissue to set up the movable part, make when using extraction element, only need just can realize drawing of tissue through the one hand, it is convenient simple, can improve the efficiency of operation in the art, save the better treatment of time. The needle head is designed to be round, so that the influence of the needle head on other tissues is reduced, the bleeding probability is reduced, and the accuracy of pathological cell collection is improved.

Drawings

Fig. 1 is a schematic structural diagram of a device for rapidly extracting pathological tissues during operation provided by the present invention;

fig. 2 is a partial enlarged view of a preferred embodiment of the extraction device of the present invention;

fig. 3 is a schematic structural diagram of a preferred ejection mechanism provided by the present invention;

FIG. 4 is a schematic view of a preferred structure of the front pushing plate provided by the present invention;

fig. 5 is a schematic view of a preferred structure of the movable mechanism provided by the present invention; and

fig. 6 is a preferred side view of the movable mechanism provided by the present invention.

List of reference numerals

1: a main body 2: front push plate 3: push rod

4: a needle head 5: first cavity 6: hollow column

7: the first movable mechanism 8: first rotating lever 9: connecting rod

10: the push handle 11: a movable rod 12: second rotating rod

13: the second movable mechanism 14: the air passage 16: non-slip mat

17: second cavity 18: first piston head 19: second piston head

20: rear push plate 21: spring 22: baffle plate

23: fixing the rod 24: first air hole 25: second air hole

26: first slice 27: second slice 28: ball body

29: hollow spherical shell

Detailed Description

The following description is made in detail with reference to fig. 1 to 6.

In the description of the present invention, the terms "first", "second", "third" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," "third," and so forth may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "inner", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, the term "detachably" is one of bonding, key connection, screw connection, pin connection, snap connection, hinge connection, clearance fit, or transition fit. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1, the present embodiment provides a rapid extraction device for pathological tissues during surgery, which comprises a main body 1, a movable part and an extraction part. The main body 1 has an interface capable of accommodating the extraction section. The extraction portion comprises a needle 4 housing a front pusher 2. Preferably, the movable portion comprises a movable rod 11 and a first rotating rod 8, and the first rotating rod 8 can be rotatably connected with the movable rod 11 in a mode of enabling the front push plate 2 to move along the axial direction of the needle 4. Under the condition that the movable rod 11 moves leftwards under the action of external force, the first rotating rod 8 rotates around the first movable mechanism 7 to drive the first piston head 18 to move rightwards, the baffle plate 22 connected with the piston head 18 moves rightwards, the front push plate 2 connected with the baffle plate 22 moves rightwards, negative pressure is formed at the front ends of the front push plate 2 and the needle 4, and tissues enter a tissue accommodating cavity formed by the push plate 2 and the needle 4.

Preferably, the movable part further comprises a second rotating rod 12, a connecting rod 9 and a push handle 10. One end of the movable rod 11 is connected with the main body 1 through the first movable mechanism 7 based on the first rotating rod 8, and the other end of the movable rod 11 is connected with the main body 1 through the second movable mechanism 13 based on the second rotating rod 12. In the case where the movable lever 11 is moved leftward by the action of the external force, the first rotating lever 8 is connected to the main body 1 so as to rotate about the first movable mechanism 7 by the action of the movable lever 11. In the case where the movable lever 11 moves rightward by the action of the external force, the second rotating lever 12 is connected to the main body 1 so as to rotate about the second movable mechanism 13 by the action of the movable lever 11. The movable rod 11 is fixedly connected with the push handle 10 through the connecting rod 9. The main body 1 is provided with a passage through which the movable rod 11 and the connecting rod 9 can move.

Preferably, as shown in fig. 5 and 6, the first movable mechanism 7 includes a hollow spherical shell 29 and a spherical body 28. The hollow spherical shell 29 is fixedly connected with the main body 1. The ball 28 is located inside the hollow spherical shell 29 and is movably connected with the hollow spherical shell 29. The first rotating rod 8 passes through the center of the sphere 28 and is fixedly connected with the sphere 28. The hollow spherical shell 29 is provided with a channel which can be used for the rotation of the rotating rod 8. The diameter of the sphere 28 is smaller than the inner diameter of the hollow spherical shell 29. The structure of the first movable mechanism 7 is the same as that of the second movable mechanism 13.

Preferably, as shown in fig. 2, the second piston portion comprises a second cavity 17, a fixing rod 23, a first piston head 18 and a second piston head 19, preferably, the second cavity 17 capable of moving the piston is arranged inside the main body 1, and the first piston head 18 and the second piston head 19 are arranged in the second cavity 17. The first piston head 18 is fixedly connected to the second piston head 19 by means of a fixing rod 23. The first piston head 18 and the second piston head 19 are movable in the second cavity 17.

Preferably, the first piston part comprises a hollow cylinder 6 and a first cavity 5. Preferably, the hollow cylinder 6 is fixedly connected to the second piston head 19. The hollow cylinder 6 is internally provided with a first cavity 5 which can be used for the movement of the rear push plate 20. The hollow cylinder 6 is located inside the second cavity 17, and the diameter of the hollow cylinder 6 is smaller than the second cavity 17. The hollow cylinder 6 is movable along the second cavity 17.

Preferably, as shown in fig. 3, the extracting portion further includes a rear push plate 20, a push rod 3, a baffle 22, and a spring 21. The rear push plate 20 is fixedly connected with the front push plate 2 and the baffle plate 22 through the push rod 3. The rear push plate 20 is provided with a second air hole 25 through which air can pass. The front push plate 2 is provided with a first air hole 24 through which air can pass.

Preferably, as shown in fig. 1, the front push plate 2 is located inside the needle 4, and the diameter of the front push plate 2 is smaller than that of the needle 4, and the rear push plate 20 is located inside the first cavity 5, and the diameter of the rear push plate 20 is smaller than that of the first cavity 5. A baffle 22 is located inside the second cavity 17. The flap 22 is fixedly connected to the first piston head 18 by means of a spring 21. The front end of the needle 4 is provided with a round shape.

Preferably, the main body 1 is provided with a gas passage 14 communicating with the second cavity 17 and allowing gas to enter and exit. The main body 1 is provided with a non-slip mat 16, and the non-slip mat 16 is detachably connected with the main body 1.

Preferably, as shown in fig. 4, the front push plate 2 is provided with a first cut piece 26 and a second cut piece 27. The first cut piece 26 and the second cut piece 27 are perpendicular to each other and fixedly connected with the front push plate 2. The mutually vertical slices are used for cutting pathological tissues when the pathological tissues are extracted, so that the cell level is clearer, four cell smears are prepared at one time and are observed in a contrast mode.

Preferably, the fixing rod 23, the first piston head 18, the second piston head 19 and the hollow cylinder 6 are provided with channels through which the push rod 3 can pass.

Example 2

When the extraction device is used and tissue needs to be extracted, leftward thrust is applied to the push handle 10, the movable rod 11 fixedly connected with the push handle 10 through the connecting rod 9 moves leftward, leftward thrust is applied to the first rotating rod 8, the first rotating rod 8 rotates anticlockwise around the first movable mechanism 7, so that the first piston head 18 movably connected with the first rotating rod 8 moves rightward, the spring 21 connected with the first piston head 18 is compressed, the baffle plate 22 moves rightward based on the elastic force of the spring 21, the front push plate 2 and the rear push plate 20 fixedly connected with the baffle plate 22 move rightward, and a tissue accommodating cavity formed between the front push plate 2 and the needle 4 is filled with tissue. In the case where it is necessary to push out the tissue, a rightward pushing force is applied to the push handle 10, the movable rod 11 is moved rightward, a rightward pushing force is applied to the second rotary rod 12, the second rotary rod 12 is rotated clockwise about the second movable mechanism, the second rotary rod 12 applies a leftward pushing force to the first piston head 18, the first piston head 18 is moved leftward, the spring 21 is stretched, the shutter 22 is moved leftward based on the pulling force of the spring 21, the front push plate 2 and the rear push plate 20 are moved leftward, and the tissue in the tissue accommodating cavity between the front push plate 2 and the needle 4 is pushed out. The device only needs the one hand just can realize just extracting of tissue when using, and is convenient simple, can improve the efficiency of operation in the art, saves the better treatment of time.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. A rapid extraction device for pathological tissues in operation comprises a main body (1), a movable part and an extraction part, wherein the main body (1) is provided with a port capable of accommodating the extraction part, and is characterized in that the extraction part comprises a needle head (4) accommodating a front push plate (2),

the movable part comprises a movable rod (11) and a first rotating rod (8), and the first rotating rod (8) can be rotationally connected with the movable rod (11) in a mode that the front push plate (2) moves along the axial direction of the needle (4).

2. The extraction device according to claim 1, characterized in that the front pusher (2) is fixedly connected to a baffle (22) by means of a pusher (3), the baffle (22) being fixedly connected to the first piston head (18) by means of a spring (21),

under the condition that the first piston head (18) can move based on the action of the first rotating rod (8), the front push plate (2) can be movably connected with the needle (4) in a mode of moving along the axial direction of the needle (4) based on the elastic force of the spring (21) acted on by the baffle plate (22).

3. Extraction device according to claim 2, characterized in that the movable part further comprises a second turning lever (12), a connecting rod (9) and a push handle (10),

wherein the push handle (10) is connected with the movable rod (11) through the connecting rod (9),

the first rotating rod (8) is rotationally connected with the first movable mechanism (7) in a mode that the first piston head (18) can axially move along the main body (1) under the action of leftward thrust of the movable rod (11), and the second rotating rod (12) is rotationally connected with the second movable mechanism (13) in a mode that the first piston head (18) can axially move along the main body (1) under the action of rightward thrust of the movable rod (11).

4. Extraction device according to claim 3, characterized in that the extraction section further comprises a rear push plate (20),

wherein the rear push plate (20) is fixedly connected with the baffle plate (22) through the push rod (3),

under the condition that the first piston head (18) can move based on the action of the second rotating rod (12), the rear push plate (20) can movably connect with the first cavity (5) based on the action of the baffle plate (22) and the elastic force of the spring (21).

5. Extraction device according to claim 4, characterized in that the first movement means (7) comprise a hollow spherical shell (29) and a spherical body (28),

the first rotating rod (8) is movably connected with the hollow spherical shell (29) in a rotating mode through the sphere (28), a channel capable of enabling the first rotating rod (8) to rotate is arranged on the hollow spherical shell (29), and the diameter of the sphere (28) is smaller than the inner diameter of the hollow spherical shell (29).

6. Extraction device according to claim 5, characterized in that the body (1) is provided with a first piston part and a second piston part,

wherein the second piston part comprises the first piston head (18), a second piston head (19), a fixing rod (23) and a second cavity (17),

wherein the first piston head (18) is fixedly connected with the second piston head (19) through the fixing rod (23), and the second cavity (17) for the piston to move is arranged in the main body (1).

7. Extraction device according to claim 6, characterized in that the first piston part comprises a hollow cylinder (6) and the first cavity (5),

the hollow cylinder (6) is fixedly connected with the second piston head (19), and the first cavity (5) capable of allowing the rear push plate (20) to move is arranged inside the hollow cylinder (6).

8. The extraction device according to claim 7, characterized in that the needle (4) is fixedly connected to the body (1), the diameter of the front pushing plate (2) is smaller than the diameter of the needle (4), a first air hole (24) for allowing air to pass through is arranged on the front pushing plate (2), and a first slice (26) and a second slice (27) which are perpendicular to each other and fixedly connected to the front pushing plate (2) are arranged on the front pushing plate (2).

9. Extraction device according to claim 8, characterized in that the rear pusher (20) is provided with a second air hole (25) through which air can pass, the rear pusher (20) having a diameter smaller than the diameter of the first cavity (5).

10. The extraction device according to claim 9, characterized in that the main body (1) is provided with a non-slip mat (16), and the non-slip mat (16) is detachably connected with the main body (1) by means of a magic tape.

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