JP2817177B2 - Cytology brush - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a cytodiagnosis brush, and more particularly to a cytodiagnosis brush with a cover that is inserted from an endoscope treatment tool insertion channel to collect cells.

[Conventional technology]

As shown in FIG. 4, a conventional cytodiagnosis brush with a cover includes a cytodiagnosis brush main body 6 provided with a brush portion 4 at the end of a wire 2 such as a close contact spring or a tube.
And a cover 8 through which the cover 8 is inserted.

The cytodiagnosis brush with the cover is inserted from a forceps channel of an endoscope, and is rubbed with the brush unit 4 to collect cells. After the cells are collected, the brush unit 4 is placed in the cover 8 to protect the brush unit 4.

[Problems to be solved by the invention]

However, the conventional cytodiagnosis brush with a cover,
There is a problem that cells adhere to the inner wall of the cover 8, and in particular, if the brush portion 4 slides inside the cover 8, sufficient cells cannot be collected.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a cytodiagnosis brush that can reliably collect cells.

[Means for Solving the Problems] The present invention provides a cytodiagnosis brush with a cover, which is inserted from a treatment tool insertion channel of an endoscope and collects cells, in order to achieve the above object. The present invention is characterized in that a stopper larger than the inner diameter of the cover is provided at the tip of the brush portion, and a scale for cutting the cover is provided at the tip of the cover at intervals corresponding to the length of the brush portion.

[Action]

According to the present invention, first, the brush is protruded from the tip of the cover, and cells are collected by rubbing with the brush. After the cells are collected by the brush unit, when the brush unit is put into the cover, the brush unit is stopped at the tip of the cover by the stopper provided at the tip. Thereby, adhesion of cells to the inner wall of the cover can be minimized.

Further, by cutting the cover with a scale for cutting the cover attached to the cover, it is possible to inspect the cells adhered to the inner wall of the cover.

〔Example〕

Hereinafter, preferred embodiments of the cytodiagnosis brush according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a side view showing one embodiment of the cytodiagnosis brush according to the present invention, showing a tip portion of the cytodiagnosis brush.

As shown in the figure, this cytodiagnosis brush is a cytodiagnosis brush with a cover including a cytodiagnosis brush main body 10 and a cover 20, and the cytodiagnosis brush main body 10 is attached to the tip of a wire 12 such as a close contact spring or a tube. The brush unit 14 is provided, and the brush unit
A stopper 16 that is larger than the inner diameter of the cover 20 is provided at the tip of 14.

On the other hand, scales 20A for cutting the cover are provided on the outer periphery of the cover 20 at intervals of a length 1 substantially equal to the length L of the brush portion 14.

When collecting cells with the cytodiagnosis brush having the above configuration,
The cytology brush is inserted through a forceps channel of an endoscope, and a predetermined portion in a body cavity is rubbed with the brush portion 14 protruding from the cover 20 as shown in FIG.
Attach cells to

Next, as shown in FIG.
Into the cover 20. At this time, the stopper 16 provided at the tip of the brush portion comes into contact with the end surface of the tip of the cover 20, so that the brush portion 14 stops at the tip of the cover 20.

The cells adhering to the brush section 14 as described above can be collected from the brush section 14 by taking out the cytodiagnosis brush from the endoscope and then protruding the brush section 14 from the cover 20 again. The cells attached to the inner wall at the tip of the cover 20 can be collected by cutting the cover 20 with a scale 20A for cutting the cover.

FIG. 3 is a sectional view showing the operation unit side of the cytodiagnosis brush shown in FIG.

As shown in the figure, a stainless steel pipe 18 is provided at the rear end of the wire 12 having the brush portion 14 and the stopper 16 provided at the front end, and a luer lock 22A is provided at the rear end of the cover 20. A plumbing tool 22 is provided.

On the other hand, the operation unit 30 includes an operation unit main body 32 and a tightening screw 34.
And rubbers 36 and 38. The stainless steel pipe 18 is inserted through the tightening screw 34 and the operation section main body 32, and a rubber 36 is disposed between the tightening screw 34 and the operation section main body 32.

Therefore, when the tightening screw 34 is tightened to the operating section main body 32, the gum 36 is compressed by the tapered portion of the tightening screw 34, and the stainless steel pipe 18 is moved by the rubber 36 to the operating section 30.
Fixed to By loosening the tightening screw 34, the stainless steel pipe 18 can move in the longitudinal direction.

Further, the rubber 38 is provided on the tightening screw 34, and the rubber 38 is pressed against the end face of the plumbing tool 22 so that the airtightness between the plumbing tool 22 and the operation unit 30 can be maintained. It has become.

According to the operation unit 30 having the above configuration, the protrusion amount of the brush unit 14 can be adjusted, and the adjustment when the tip of the cover 20 is cut can be performed.

When the cytodiagnosis brush is used as a cleaning brush, the operation unit 30 is applied to the plumbing tool 22 for cleaning. still,
If the dirt is bad or if the brush itself is to be cleaned,
A liquid or the like is injected from the luer lock 22A of the plumbing tool 22. In this case, since the rubber 38 hits the rear end of the plumbing tool 22,
The liquid or the like injected from the luer lock 22A flows toward the tip of the cover 20.

〔The invention's effect〕

As described above, according to the cytodiagnosis brush according to the present invention, it is possible to minimize the adhesion of cells collected by the brush to the cover. Also, cells attached to the cover can be examined, and effective cytodiagnosis can be performed.

[Brief description of the drawings]

FIG. 1 is a side view of an essential part showing an embodiment of a cytodiagnosis brush according to the present invention, FIG. 2 is a cross-sectional view showing a state after cells are collected by the cytodiagnosis brush of FIG. 1, and FIG. FIG. 1 is a sectional view showing an example of the operation section side of the cytodiagnosis brush of FIG. 1, and FIG. 4 is a view showing an example of a conventional cytodiagnosis brush with a cover. 10 cytology brush body, 12 wire, 14 brush part, 16 stopper, 20 cover, 20A scale.

Claims (1)

(57) [Claims] 1. A cytodiagnosis brush with a cover, which is inserted through a treatment instrument insertion channel of an endoscope and collects cells, wherein a stopper larger than the inner diameter of the cover is provided at a tip of a brush portion of the cytodiagnosis brush with a cover. A cytodiagnosis brush, wherein a scale for cutting the cover is provided at a tip of the cover at an interval corresponding to a length of the brush portion.