CN218247263U - Lung cancer tumor sampling device - Google Patents

Abstract

The utility model provides a lung cancer tumor sampling device, which comprises a tubular handle, a puncture sleeve fixedly connected at the front end of the handle and communicated with the interior of the handle, a fixed seat annularly arranged outside the handle and vertically and slidably connected with the handle, an operating rod arranged by penetrating through the handle and the puncture sleeve, and a conical cutting knife fixedly connected with the front end of the operating rod; the outer wall of the handle is provided with a dial gauge arranged along the length direction of the handle, the outer wall of the handle is also provided with a plurality of locking clamping grooves arranged along the length direction of the handle, and the fixed seat is rotatably connected with clamping jaws capable of being in intermittent clamping connection with the locking clamping grooves. The puncture sleeve of the utility model is fixedly connected with the handle, the handle is connected with the fixed seat in a sliding way, and the outside of the handle is provided with the scale mark, so that the insertion depth of the puncture sleeve can be read out through the intersecting line of the upper end surface of the fixed seat and the scale mark, and the puncture depth can be controlled; the positions of the handle and the fixing seat are fixed by the locking clamping groove and the clamping jaws, the locking effect is good, and the puncture cannula can be effectively prevented from sliding in the sampling process.

Description

Lung cancer tumor sampling device

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to lung cancer tumour sampling device.

Background

The lung cancer is one of the most common malignant tumors in China, and in the process of treating a lung cancer patient, the lung cancer tumor needs to be subjected to biopsy sampling inspection, and the biopsy sampling Pei is the necessary inspection equipment for pathological inspection. The biopsy comprises two forms of puncture cutting and open biopsy, and a puncture needle is used for obtaining a tumor tissue specimen clinically.

When the lung cancer tumor is subjected to biopsy sampling inspection, tumor cells at different depths and different levels are extracted, and the method has important significance for providing accurate lung cancer clinical treatment decision. The existing lung cancer tumor sampling device, such as the chinese utility model patent with application number 201720638937.0) can extract tumor cells of different depths and different levels, but the puncture depth is not controllable, and the puncture needle is easy to slide after being inserted into the body of a patient; and it is not repeatable, and multiple samplings require repeated punctures of the patient's body.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art, the utility model aims at providing a lung cancer tumour sampling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the lung cancer tumor sampling device comprises a tubular handle, a puncture sleeve fixedly connected at the front end of the handle and communicated with the interior of the handle, a fixed seat annularly arranged outside the handle and vertically and slidably connected with the handle, an operating rod penetrating through the handle and the puncture sleeve, and a conical cutter fixedly connected with the front end of the operating rod and used for cutting lung cancer tumors of a patient; the outer wall of the handle is provided with a dial gauge arranged along the length direction of the handle, the outer wall of the handle is also provided with a plurality of locking clamping grooves arranged along the length direction of the handle, and the fixed seat is rotatably connected with clamping jaws capable of being in intermittent clamping connection with the locking clamping grooves.

In the technical scheme, the puncture cannula is fixedly connected with the handle, the handle is connected with the fixed seat in a sliding way, and the outside of the handle is provided with scale marks, so that the insertion depth of the puncture cannula can be read out through the intersection line of the upper end surface of the fixed seat and the scale marks, and the puncture depth can be controlled; the positions of the handle and the fixing seat are fixed by the locking clamping groove and the clamping jaws, the locking effect is good, and the puncture cannula can be effectively prevented from sliding in the sampling process.

In a preferred embodiment of the utility model, the rear end of the handle is fixedly connected with a sealing cover, the sealing cover is provided with a perforation, the rear end of the operating rod passes through the perforation and is positioned outside the sealing cover, the inner wall of the handle is fixedly connected with an annular air bag arranged outside the operating rod, the annular air bag is connected with an air charging and discharging device, and a sample accommodating space is formed among the sealing cover, the inner wall of the handle and the annular air bag; when the annular air bag is in a natural state, the conical cutter can be positioned in the sample accommodating space through the annular air bag; when the annular air bag is in an expanded state, the annular air bag can seal the space between the inner wall of the handle and the outside of the operating rod; the outer wall of the handle is provided with a sampling port communicated with the sample containing space, and the sampling port is connected with an injector used for adsorbing samples in the sample containing space.

In the technical scheme, the conical cutting knife is moved backwards to the sample accommodating space by pulling the operating rod, then the space between the inner wall of the handle and the outer part of the operating rod is sealed by the annular air bag, and the sample on the conical cutting knife is sucked out by using the injector to be taken away; then the medical staff can push the puncture cannula to enter deeper level again, and the conical cutter can sample again by operating the operating rod, the sample enters the sample containing space, and then the sample is sucked out by a new syringe to be taken away; the sampling device can realize repeated sampling of tumor cells at different depths and different levels by one-time puncture.

In a preferred embodiment of the present invention, the inner wall of the through hole of the cover has an open slot disposed therethrough, and the outside air can enter the sample receiving space through the open slot.

Among the above-mentioned technical scheme, introduce external atmosphere through setting up the open slot, do benefit to the sample suction on the syringe with the cone cutter in the sample accommodation space.

In a preferred embodiment of the present invention, the inflation and deflation device is an inflatable balloon connected to the annular air bag through an air tube.

Among the above-mentioned technical scheme, adopt and aerify the sacculus and fill the gassing to annular gasbag, simple structure, convenient operation.

In a preferred embodiment of the invention, the handle is made of a transparent material.

Among the above-mentioned technical scheme, the position of conical cutter in the handle is observed to the accessible handle, is convenient for make the sample on the conical cutter just to the sample connection.

In another preferred embodiment of the utility model, the sampling port is connected with a sealing cap by screw thread; and/or the syringe is in threaded connection with the sampling port and the syringe.

In the technical scheme, when the sampling device is not used, the sampling port is not required to be connected with an injection device, and the sampling port is sealed by adopting the sealing cap.

In another preferred embodiment of the present invention, a flared tube connected and communicated with the sampling port is fixedly connected to the inner wall of the handle.

Among the above-mentioned technical scheme, the flaring pipe plays the effect of direction, and the sample suction on the syringe will the toper cutting knife of being convenient for.

In another preferred embodiment of the present invention, a non-slip mat is fixedly connected to the front end of the fixing base.

Among the above-mentioned technical scheme, the slipmat plays the antiskid effect, prevents that the fixing base from sliding.

In another preferred embodiment of the present invention, the claw is rotatably connected to the rear end of the fixing base through a pin, and the axis of the pin is parallel to the axis of the puncture cannula.

The utility model discloses an in another kind of preferred embodiment, the bilateral symmetry of handle outer wall is equipped with a plurality of locking draw-in grooves, rotates on the fixing base to be connected with two jack catchs that are located the handle both sides.

Among the above-mentioned technical scheme, set up two jack catchs, the locking effect is better.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a lung cancer tumor sampling device according to a first embodiment of the present application.

Fig. 2 is a schematic structural diagram of a lung cancer tumor sampling device according to a second embodiment of the present application.

Fig. 3 is a partial sectional structural view at a in fig. 2.

FIG. 4 is a schematic view of a conical cutter in the sample receiving space with the annular bladder in an inflated state.

Fig. 5 is a schematic view of a lung cancer tumor sampling apparatus according to the third embodiment of the present application, in which an open slot is formed on a cap.

Reference numerals in the drawings of the specification include: the device comprises a handle 10, a dial gauge 11, a locking clamping groove 12, a sealing cover 13, an open groove 131, a sampling port 14, a sealing cap 15, a flared tube 16, a puncture cannula 20, a fixed seat 30, an anti-skid pad 31, an operating rod 40, a limiting block 41, a conical cutter 50, a claw 60, an annular air bag 70, an air inflation and deflation device 71, a sample accommodating space 80 and an injector 90.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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 description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

Example one

The present embodiment provides a lung cancer tumor sampling device (abbreviated as sampling device), as shown in fig. 1, in a preferred embodiment, the device includes a tubular handle 10, a puncture cannula 20 fixedly connected to the front end of the handle 10 and communicating with the interior thereof, a fixing base 30 annularly disposed outside the handle 10 and vertically slidably connected to the handle 10, an operating rod 40 penetrating through the handle 10 and the puncture cannula 20, and a cone-shaped cutting knife 50 fixedly connected to the front end of the operating rod 40.

Wherein, the front side of the fixed seat 30 is fixedly connected with a non-slip mat 31, for example, the non-slip mat 31 is fixedly bonded by glue or hot melt adhesive, and the front end of the puncture cannula 20 passes through the fixed seat 30 and the non-slip mat 31. Have the graduation apparatus 11 that sets up along its length direction on the outer wall of handle 10, still have a plurality of locking draw-in grooves 12 that set up along its length direction on the outer wall of handle 10, rotate on the fixing base 30 and be connected with can with locking draw-in groove 12 intermittent type joint complex jack catch 60, concrete jack catch 60 rotates through the rear end of round pin axle with fixing base 30 to be connected, the axis of round pin axle is on a parallel with the axis setting of puncture sleeve 20. Preferably, a plurality of locking slots 12 are symmetrically arranged on two sides of the outer wall of the handle 10, and two claws 60 located on two sides of the handle 10 are rotatably connected to the fixing base 30.

When the sampling device is used, the clamping jaw 60 is firstly rotated to be separated from the locking clamping groove 12, the fixed connection between the fixed seat 30 and the handle 10 is unlocked, and the handle 10 and the puncture cannula 20 can slide in the fixed seat 30. When the medical nursing bed works, a medical worker tightly attaches the fixed seat 30 to a puncture position of a patient, and the anti-slip pad 31 on the front side of the fixed seat 30 plays an anti-slip role to prevent the fixed seat 30 from slipping; then, the medical staff pushes the puncture cannula 20 forward through the handle 10 to insert the sharp part at the front end into the patient, and the depth of the puncture cannula 20 inserted into the patient can be known by looking at the dial gauge 11 on the outer wall of the handle 10 through the upper end surface of the fixing seat 30. After the puncture cannula 20 is inserted to a set depth, the claw 60 is clamped into the locking clamping groove 12 by rotating the claw 60, so that the fixed position of the fixed seat 30 and the handle 10 is realized, and the puncture cannula 20 is prevented from sliding. Next, the medical staff rotates the operating rod 40, the patient tumor is cut by the conical cutter 50 at the front end of the operating rod, and the cut tumor sample is taken out by pulling the operating rod 40 through the conical cutter 50. In this embodiment, the sample may be removed from the rear end of the handle 10 by pulling the lever 40, or from the front end of the puncture cannula 20 by retracting the lever 40.

It should be noted that to make the insertion depth of the puncture cannula 20 more accurate, the distance between the two locking notches 12 should be as small as possible. In practice, markings may be provided on the outer wall of the shaft 40 to facilitate the knowledge of the relative position of the bevel-cutting blade 50 to the sharpened portion of the forward end of the piercing cannula 20.

Example two

The structural principle of this embodiment is basically the same as that of the first embodiment, except that the lung cancer tumor sample is taken out in a different manner. As shown in fig. 2 and 3, in the present embodiment, a cover 13 is fixedly attached to the rear end of the handle 10, the cover 13 has a through hole, and the rear end of the operation rod 40 is located outside the cover 13 through the through hole. An annular air bag 70 having a ring shape is fixed (e.g., bonded) to the inner wall of the handle 10 outside the operating rod 40, and a sample-accommodating space 80 is formed between the cover 13, the inner wall of the handle 10 and the annular air bag 70. The annular air bag 70 is connected with an inflation and deflation device 71 located outside the handle 10, for example, the inflation and deflation device 71 is an inflation air bag connected with the annular air bag 70 through an air pipe, the inflation and deflation using the inflation air bag is the prior art, and the structure and the principle thereof are not detailed here.

Wherein, when the annular air bag 70 is in a natural state, the conical cutter 50 can be positioned in the sample accommodating space 80 through the annular air bag 70; when the annular air bag 70 is in the expanded state, the annular air bag 70 can seal between the inner wall of the handle 10 and the outside of the operation lever 40. The outer wall of the handle 10 is provided with a sampling port 14 communicated with the sample containing space 80, the inner wall of the handle 10 is fixedly connected with a flared tube 16 connected and communicated with the sampling port 14, and the sampling port 14 is connected with a syringe 90 which is positioned outside the handle 10 and used for adsorbing the sample in the sample containing space 80.

As shown in FIG. 3, in a normal state, the annular air bag 70 is in a natural state of deflation, the internal air pressure of the annular air bag 70 is equal to the atmospheric pressure, and the through hole in the middle of the annular air bag 70 is larger than the external dimension of the conical cutter 50. When the sampling device is used for sampling, the injector 90 is connected with the sampling port 14, and in the process of pulling the operating rod 40 backwards, the conical cutter 50 moves backwards along with the operating rod 40, and the conical cutter 50 is positioned in the sample accommodating space 80 through the annular air bag 70. As shown in FIG. 4, the annular air bag 70 is then inflated by the inflation/deflation device 71, so that the annular air bag 70 is in an inflated state, and the annular air bag 70 seals the space between the inner wall of the handle 10 and the outside of the operation rod 40. The syringe 90 is then operated to draw the sample on the bevel cutter 50 into the syringe 90 by negative pressure, completing the sampling.

When it is necessary to continuously sample lung cancer tumors of different depths, the sampled syringe 90 is removed and a new syringe 90 is connected to the sampling port 14. Next, the medical staff deflates the annular air bag 70 through the inflation and deflation device 71 to return to the normal state; the claw 60 is then rotated away from the locking notch 12, and the fixed connection between the fixed seat 30 and the handle 10 is released. Then, the puncture cannula 20 is pushed forward to make the insertion depth deeper, and the scale 11 is checked at the same time, after the puncture cannula 20 is inserted to the set depth, the claw 60 is clamped into the locking clamping groove 12 by rotating the claw 60, so that the fixed position of the fixed seat 30 and the handle 10 is realized, and the puncture cannula 20 is prevented from sliding. Then the operating rod 40 is pushed again to perform the secondary cutting sampling by using the conical cutter 50, the operating rod 40 is pulled backwards to enable the conical cutter 50 to be positioned in the sample accommodating space 80, and then the sample in the sample accommodating space 80 is sucked away by using a new syringe 90.

In another preferred embodiment, the handle 10 is made of a transparent material, such as a medical grade transparent plastic. The position of the bevel cutter 50 within the handle 10 is thus observed to facilitate positioning of a sample on the bevel cutter 50 against the sample port 14.

In another preferred embodiment, as shown in fig. 3 and 4, a sealing cap 15 is screwed at the sampling port 14, and a syringe 90 is screwed with the sampling port 14 and the syringe 90. When the sampling device is not used, the syringe 90 does not need to be connected to the sampling port 14, and the sampling port 14 is closed by the sealing cap 15.

EXAMPLE III

The principle of the structure of this embodiment is substantially the same as that of the second embodiment, except that, as shown in fig. 5, the inner wall of the through hole of the cover 13 has an open groove 131 formed through the cover 13, and the external atmosphere can enter the sample-containing space 80 through the open groove 131. When the sample in the sample-containing space 80 is sucked out using the syringe 90, the outside atmosphere enters the sample-containing space 80 from the open groove 131, facilitating the syringe 90 to suck out the sample.

In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The lung cancer tumor sampling device is characterized by comprising a tubular handle, a puncture sleeve fixedly connected at the front end of the handle and communicated with the interior of the handle, a fixed seat annularly arranged outside the handle and vertically and slidably connected with the handle, an operating rod penetrating through the handle and the puncture sleeve, and a conical cutter fixedly connected with the front end of the operating rod and used for cutting lung cancer tumors of a patient;

the utility model discloses a handle, including handle, fixing base, locking clamping groove, scale table that has on the outer wall of handle and set up along its length direction, still have on the outer wall of handle along a plurality of locking clamping grooves of its length direction setting, rotate on the fixing base be connected with can with locking clamping groove intermittent type joint complex jack catch.

2. The lung cancer tumor sampling device of claim 1, wherein a sealing cover is fixedly connected to the rear end of the handle, the sealing cover is provided with a through hole, the rear end of the operating rod passes through the through hole and is positioned outside the sealing cover, an annular air bag arranged outside the operating rod is fixedly connected to the inner wall of the handle, the annular air bag is connected with an inflation and deflation device, and a sample accommodating space is formed among the sealing cover, the inner wall of the handle and the annular air bag;

when the annular air bag is in a natural state, the conical cutter can be positioned in the sample accommodating space through the annular air bag; when the annular air bag is in an expanded state, the annular air bag can seal the space between the inner wall of the handle and the outer part of the operating rod;

the outer wall of the handle is provided with a sampling port communicated with the sample containing space, and the sampling port is connected with an injector used for adsorbing the sample in the sample containing space.

3. The lung cancer tumor sampling device of claim 2, wherein the perforated inner wall of the cover has an open slot formed therethrough, through which ambient atmosphere can enter the sample receiving space.

4. The lung cancer tumor sampling device of claim 2, wherein the inflation and deflation device is an inflatable balloon connected to the annular balloon through a trachea.

5. The lung cancer tumor sampling device of claim 2, wherein the handle is made of a transparent material.

6. The lung cancer tumor sampling device of claim 2, wherein a sealing cap is screwed at the sampling port; and/or the syringe is in threaded connection with the sampling port and the syringe.

7. The lung cancer tumor sampling device of claim 2, wherein a flared tube connected and communicated with the sampling port is fixedly connected to the inner wall of the handle.

8. The lung cancer tumor sampling device of any one of claims 1-7, wherein a non-slip pad is fixedly connected to the front end of the fixing base.

9. The lung cancer tumor sampling device of any one of claims 1-7, wherein the claw is rotatably connected to the rear end of the fixing base by a pin, and the axis of the pin is parallel to the axis of the puncture cannula.

10. The lung cancer tumor sampling device of any one of claims 1-7, wherein a plurality of locking slots are symmetrically arranged on both sides of the outer wall of the handle, and two clamping jaws are rotatably connected to the fixing base on both sides of the handle.

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