WO2004075740A1 - Cut tissue piece recovery device - Google Patents

Cut tissue piece recovery device Download PDF

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Publication number
WO2004075740A1
WO2004075740A1 PCT/JP2004/000940 JP2004000940W WO2004075740A1 WO 2004075740 A1 WO2004075740 A1 WO 2004075740A1 JP 2004000940 W JP2004000940 W JP 2004000940W WO 2004075740 A1 WO2004075740 A1 WO 2004075740A1
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WO
Grant status
Application
Patent type
Prior art keywords
member
tissue
trap
portion
body member
Prior art date
Application number
PCT/JP2004/000940
Other languages
French (fr)
Japanese (ja)
Inventor
Ken Nishikawa
Yasushi Sano
Original Assignee
Zeon Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/0096Casings for storing test samples

Abstract

A cut tissue piece recovery device (50), comprising a tubular body member (51) and a trap member (60) mounted in the body member, wherein a circulating passage (55) and a trap member mounting port (57) are formed in the body member, a filter part (63) and a head part (65) are formed on the trap member, and the trap part is disposed so that the filter part crosses the circulating passage and the trap member mounting port is closed by the head part when the trap part is mounted in the body member. Also, the mounting of the trap member in the body member and the removal of the trap member from the body member are freely performed. Thus, the cut tissue piece recovery device capable of being easily downsized and operated only by one hand and capable of easily fixing a recovered cut tissue piece can be provided. In addition, a tissue fixing container capable of easily fixing the cut tissue piece recovered by the cut tissue piece recovery device can be provided.

Description

Bright fine manual tissue resection specimens collected instrument art

The present invention is cut through the endoscope, vessel device for recovering the sucked tissue pieces from the body (hereinafter, referred to as "tissue resection specimens collected instrument".) And its components, as well as tissue fixed about the use container you Yopi tissue anchors. BACKGROUND

Recently, diagnosis can be performed using an endoscope, the range of operation is expanding. For example, when a diseased tissue such as polyps Ya superficial type cancer is found in the body cavity by the endoscope examination, taken like piece of tissue for resection and histopathology of diseased tissue via an endoscope also that has been done.

Many endoscope capable of performing resection or collection of tissue, Ri Contact treatment instrument channel Contact Yopi air channel for 揷入 a treatment tool such as forceps Ya snare is formed therein, these channel is open at the distal end of the endoscope. The treatment instrument channel is also utilized the contents of a body cavity such as the discharge channel for discharging the body (suction channel).

Tissue pieces have been conducted under the excision of the above treatment tool (hereinafter,. "Tissue ablation piece") when the magnitude of a size that can pass through the discharge channel, the tissue ablation pieces, the body via the discharge channel discharge (suction) it is, usually, is collected for histopathology. The recovered is often provided a trap in the flow path between the vacuum generator and the discharge channel for applying negative in the discharge channel (pipe), it captures the tissue ablation debris by this trap It is carried out by. Recently, the miniaturization of such an imaging device used in the endoscope, the discharge channel with the Re their from it have been large diameter I arsenide, the scope of the above recovery method is expanding.

For example, U.S. Pat. No. 4 6 4 3 1 9 7 No. has a container part and a lid part which is attached to the open end of the container portion, the container unit 1 or more filters on the opening side end portion of the tissue resection specimens collected tool parts are arranged is described. This tissue resection specimens recovered instrument, from one tube which is connected to the lid and tissue ablation member and the body fluid is supplied, the tissue ablation pieces are captured by the filter unit. Body fluid, after flowing into the container portion, is sucked to the outside through the other tube that is inserted into the container portion through the lid.

When arranging a plurality of filter portions to the opening side end portion of said container portion has a plurality of openings with these filters portion is disposed. When to be'll capture tissue ablation pieces, by relatively rotating the lid part and the container part, a tissue ablation piece and the body fluid to a desired filter unit is to be supplied, the tissue ablation piece when there is no need to capture, by relatively rotating the lid part and the container part, so that fluid is supplied to the desired opening. In either case, the relative rotation between the lid portion and the container portion is carried out by hand.

US 4 6 4 3 1 9 7 tissue resection specimens collected tool described in JP are the relatively large size, it may get in the way when operating the endoscopic equipment of the light source device such as a . Further, in order to capture tissue ablation piece to a desired filter unit when a plurality of filter portions to the lid portion is formed, by gripping the container part at the other hand gripping the lid with one hand must by relatively desired amount of rotation of the lid portion and the container portion, the operation is complicated.

Furthermore, acquisition, collected tissue ablation pieces, so as not to altered until histopathological diagnosis is made, the force US 4 6 4 3 where it is desired to be fixed by immersion in yarn 且織 fixative in 1 9 7 tissue resection specimens collected tool described in JP, after removal of the container portion from the lid, the container for tissue fixation takes the tissue ablation pieces that are trapped in the filter unit in a suitable device Transfer Order force, or, if the filter unit is one must transferred to the container of the filter unit each organization solid titration, and the work is complicated.

Accordingly, the present invention is easy to miniaturize, can be operated with one hand, recovered easily be secured to tissue ablation piece tissue resection specimens collected equipment and that you provide the component first an object of the present invention.

The present invention also that is possible to fix the tissue ablation piece by being connexion recovered tissue resection specimens collected device provides easy tissue fixation container and tissue anchors the second object. Disclosure of the Invention

Present inventors as a result of intensive studies on the structure of the tissue ablation piece collection device, and the tubular body member, by the detachable to the body member combined with the universal trap member, the first problem can be solved with it, heading that the second problem can also be solved, and have completed the present invention.

Thus, according to the first aspect of the present invention, it is arranged in the channel connecting the negative pressure generating device for the endoscope discharge channel and the outlet in the channel of the negative pressure, the discharge channel or al a recovery device for recovering the thread 且織 sampled piece coming transferred to the conduit comprises a tubular body member, and a trap member which is loaded in the body member, said body member, said tube of the road - and passage as the section, and a said trap member trapping member mounting port for loading, the trap member comprises a filter unit for filtering material for capturing the tissue ablation pieces are arranged , and a head portion to that continuous with the filter unit, when the trap member was loaded into the body member, when said filter unit is disposed so as to traverse the flow path both to the by the head part go-between said trap member loading port Is closed, the loading of the trap member to the body member, and the tissue ablation piece collection device removal is freely of the trap member from the body member.

The above line is a boundary placement portion of the body member, is divided into a second conduit of the first conduit and the negative pressure generating device side of the discharge channel side, the body member is connected to the first conduit a first connector portion to be, and a second connector part connected to the second conduit, the interior of each of the first connector portion and second connector portion constitutes a part of the flow passage it is preferable.

Further, the body member preferably has a guide groove for guiding the filter unit in position during the loading of the trap member.

Filter unit has a first holding portion having a central opening, and a second holding portion which center corresponds to the opening is opened, sandwiching the filter medium in these and the first holding portion and the second holding portion what can the child is preferred.

Filter medium, it is preferably arranged in a relaxed state to the filter unit.

Also, the trap members filter medium to the filter unit is arranged when loaded to the body member, it is preferable to be able to visually recognize the filter medium.

Then, is mounted on the trap member loading port when the trap member is not loaded in the body member preferably further comprises a cap member capable of sealing the trap member loading aperture. According to a second aspect of the present invention, the body member as a constituent member of a tissue resection specimens collected device is provided, according to a third aspect of the present invention, on the as a component of a tissue resection specimens collected instrument serial trap member is provided.

According to a fourth aspect of the present invention, there is provided a tissue fixation container which can be used for fixing the recovered tissue ablation pieces by the tissue resection specimens collected device of the present invention described above, in the trap member having an internal volume of the Yotsute captured tissue resection specimens can accommodate each filter section, the tissue fixation container capable you to sealing the head portion to the when the tissue excision pieces accommodated by the filter portion There is provided.

According to a fifth aspect of the present invention, tissue anchors and a tissue fixation container and trapping member described above is provided.

According to a sixth aspect of the present invention, a method for recovering tissue resection pieces using tissue ablation piece collection device of the present invention described above is provided.

According to a seventh aspect of the present invention, the method of fixing tissue ablation pieces using tissue fastener of the present invention described above is provided. BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic view showing the tissue resection specimens collected instrument according to an embodiment and an example of an endoscope system including the tissue ablation piece collection device of the present invention.

FIG. 2 (A) and FIG. 2 (B), respectively, an exploded perspective view schematically showing a tissue resection specimens collected device shown in FIG.

3, shown in FIG. 2 (A) and FIG. 2 (B), the schematic diagram showing the sectional structure of 袓織 sampled piece collection device.

Figure 4 is a cross-sectional view schematically showing a state during use of the tissue ablation piece collection device shown in FIG. 2 (A) and FIG. 2 (B).

Figure 5 is a cap member attached optionally to the body member constituting a tissue resection specimens collected device shown in FIG. 2 (A) and FIG. 2 (B), the schematic with said body member is an exploded perspective view are shown in.

6, the tissue fixation container according to an embodiment of the present invention, is an exploded perspective view schematically showing a state where housing the trap member after capture tissue ablation piece. 7, the tissue fixing container shown in FIG. 6 is a perspective view schematically showing a state in which housing each trap members tissue ablation piece shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION

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

Ku tissue resection specimens recovered equipment and the embodiment of the components thereof>

Figure 1 is an example of an endoscope system provided with a tissue ablation piece collecting tool according to the present invention is shown schematically. The endoscope system 8 0 shown in the figure, the endoscope 1 0 includes a main body unit 2 0, a negative pressure generating device 4 0, a tissue resection specimens collected tool 5 0.

The endoscope 1 0 is, for example, various channels such treatment instrument channel inside the imaging device, the first code portion 1 2 La Itogaido like is incorporated, the connected person the the first code part 1 2 the tip operation and the first code part 1 2, the operation unit for controlling the on-off of the water or air into a body cavity or the like (not shown.), Universal co over to connect the operation portion main unit 2 0 and a de 1 5.

Main unit 2 0 to a light source device (not shown.), And has a data processing unit 2 2, and the monitor unit 2 5.

In the endoscope system 8 0 examination the desired location in the body, while using as an illumination light source device or al of the emitted light is guided to the tip of the endoscope 1 0 by the light guide, photographed by the imaging device It takes place. Video signal by the image pickup device is, 1 2, the operation unit first code unit, and via the universal cord 1 5 sent to the data processing unit 2 2, the monitor unit 2 5 after being subjected to a predetermined process in here sent in, a predetermined video playback. Collection of the endoscope system 8 0 by tissue specimen for resection and histopathology of diseased tissue, mode while viewing the image displayed on Nita section 2 5, forceps were 揷入 the treatment instrument channel, a treatment instrument such as a snare It is carried out using. At this time, the blood and body fluids, such as body tissue surface is adhered or exudate, accurate diagnosis and operation becomes difficult. Similarly, accurate diagnosis and operation blood or body fluids or the like adhered becomes difficult to lens surface of the imaging element.

Therefore, in order to remove the blood and body fluids, etc., in the interior of each universal cord 1 5 and the first code part 1 2, the universal cord 1 5 main unit 2 0 first code section from the base of the side 1 of toward second tip, the air channel, water channel, our and discharge (suction) channels are formed. These One end of each channel is open to the first distal end of the code portion 1 2. Note that the treatment instrument Ji Yaneru the water channel and discharge channel without a separate channel, it is also possible to serve also as a water supply channel and discharge channel to the treatment instrument channel.

Air channels and water channels, respectively at the other end, in this body device side connector section 1 7 of the universal cord 1 5 is connected to the cord 1 9. The code 1 9 includes a channel communicating with the air channel, and a channel in communication with the water supply channel, channel each end of the cord 1 in 9, was air supply unit or not shown It is connected to the water supply device. As mentioned above, it is also possible to use treatment instrument channel as a water channel.

Air supply device or a gas or a liquid fed from the water supply device, via a cord 1 9, is supplied to the air channel or water channel of the endoscope 1 in the 0. These gases Contact Yopi liquid to remove adhering or exuded blood or body fluid to the body tissue surface, Or, to remove blood and body fluid or the like adhering to the lens surface of the imaging device, an endoscope following the procedure of 1 0 of operation section, it emerges from the first code section 1 2 tip.

The other end of the discharge channel is the main device side connector section 1 7 of the universal cord 1 5 communicates with the conduit 3 0, one end of the channel 3 0, connected to the negative pressure generating device 4 0 It is. When a negative pressure is generated by a negative pressure generating device 4 0, line 3 0 within our Yopi emissions in the channel becomes negative, the suction force is generated. By a negative pressure generating device 4 0 to negative pressure exhaust channel of the first code portion 1 in 2 not operate at a desired time, wear with the body tissue surface or exuded blood or body fluid, or from water channel sucks an injection liquid, it can be removed. Similarly, it is possible to suck the tissue ablation piece excised above the treatment instrument.

The above line 3 0 comprises a first conduit 3 2 of the connector part 1 7 side (the discharge channel side) can be divided into a second conduit 3 4 of the negative-pressure device 4 0 side. When aspiration of the organization excised piece by the discharge channel, since the tissue ablation pieces come is transferred to the conduit 3 0 from the discharge channel, in order to capture the tissue ablation piece, a first conduit 3 Paragraph between the second pipe line 3 4, yarn 且織 sampled piece collection tool 5 0 of the present embodiment is disposed. Blood coming is transferred from the exhaust channel to the conduit 3 0, body fluid or the like is recovered to the arrangement containers (not shown.) Between the tissue resection specimens collected tool 5 0 negative pressure generating device 4 0 .

Hereinafter, the appearance of tissue resection specimens collected tool 5 0 is described in detail with reference to FIG. 2 (A) Oyopi Figure 2 (B), then, to FIG. 3, the cross-sectional structure of the tissue ablation piece collection tool 5 0 reference quality one will be described in detail.

FIG. 2 (A) and FIG. 2 (B), respectively, an exploded perspective view schematically showing a tissue resection specimens collected tool 5 0. As shown in these figures, the tissue resection specimens collected tool 5 0 is provided with a main body member 5 1 tubular, and a trap member 6 0 to be loaded into the body member 5 1.

The body member 5 1 includes a hollow cylindrical portion 5 2, the first connector portion 5 3 which is installed in the one longitudinal end of the tubular portion 5 2, in the other longitudinal end of the tubular portion 5 2 a second connector portion 5 4 fitted et al is, a trap member loading aperture 5 7 formed on the outer peripheral surface of the cylindrical portion 5 2 communicates with the internal space 5 2 a of the cylindrical portion 5 2, the trap member loaded and a collar 5 9 formed around the mouth 5 7.

Each first connector part 3 and the second connector portion 5 4, the through-hole 3 a communicating with the internal space 5 2 a, 5 4 a is formed, the trap member 6 0 a body member 5 1 when loaded, the the internal space 5 2 a, and the through holes 5 3 a, 5 4 a, by the lower surface of the head portion 6 5 to be described later, and a section of conduit 3 0 (see FIG. 1) flow path that can be

5 5 is formed.

The contour of the outer open end of the trap member loading aperture 5 7 has a shape (e.g., circular) and sized to be sealed by the trapping member 6 0 described below.

Trap member 6 0 has a filter unit 6 3 to the filter medium 61 is arranged for capturing the tissue ablation piece. The filter portion 6 3, the first holding portion 6 3 a central is opened (see FIG. 2 (B)), a second holding the center corresponding to the opening in the first retaining portion 6 3 a is open lifting unit 6 3 b can be sandwiched filter medium 61 out with (see FIG. 2 (B) refer). Head portion 6 5 are formed to be continuous with the filter unit 6 3.

To the head portion 6 5, a plan view, (if example embodiment circular) shape corresponding to the contour shape of the trap member loading aperture 5 7 and has a size, protrudes to the outside of the filter unit 6 3. Head

In the thickness direction center portion of the 6 5, to be able to seal the trap member mounting port 5 7, airtight material 6 5 a, such as an O-ring is mounted. On the upper surface of the head portion 6 5 to, in order to facilitate gripping the trap member 6 0, knob 6 7 is provided. Figure 3 shows a cross-sectional structure of a tissue resection specimens collected tool 5 0 described above schematically. For those shown already among the members or areas shown in Figure 3. Figure 2 (A) or FIG. 2 (B), the same reference numerals as those used in FIG. 2 (A) or FIG. 2 (B) As explain is omitted subjected to.

In the present embodiment, as shown, the body member 5 1, tubular portion 5 2, the first connector portion 5 3, is constituted by Oyopi second connector portion 5 4 of the total of the three members. Productivity for high Mel, the tubular portion 5 2, joining of the two members, i.e., one and the other and separate when the bisecting the cylindrical portion 5 2 shown in the longitudinal direction of the central prepared as members, it is also possible to these joint product obtained by joining together. The color 5 9, can either be integrally molded with the tubular portion 5 2 may be the tubular portion 5 2 is joined to the cylindrical portion 5 2 after forming as a separate member.

The longitudinal center of the inner surface of the cylindrical portion 5 2, the trap member 6 0 such that the filter unit 6 3 when loaded in the main body member 5 1 is in place, to guide its position Les Shi preferred to form the guide grooves 5 2 b,. Guide grooves 5 2 b may be a single curved grooves may be a plurality of grooves aligned in the inner circumferential direction of the cylindrical portion 5 2. If the guide grooves 5 2 b and one of the grooves through the gap between the tubular portion 5 2 of the inner peripheral surface and the filter unit 6 3 without tissue ablation piece is captured filter medium 61 tissue ablation it becomes easy to suppress the going out of the piece collection device 5 0.

End of the cylindrical portion 5 2 side in the first connector portion 5 3 that is inserted into the cylindrical portion 5 2. The outer diameter of the end portion is substantially identical to the tubular portion 5 2 of the internal diameter, to be able to seal the one opening end of the cylindrical portion 5 2, airtight material such as an O-ring on the end portion 5 3 b is Ri attached taken. Further, in order to regulate the insertion depth of the tubular portion 5 2, it is preferable to form the flange portion 5 3 c that serves as a stopper.

The second connector portion 5 4 that have the same shape and size as the first connector portion 5 3. In Figure 3, the second connector portion 5 4 tubular portion 5 2 side that is attached to an end portion of the airtight material in, is indicated by reference numeral 5 4 b. Also it shows a flange portion functions as a stopper by reference numeral 5 4 c.

In the trap member 6 0 of the present embodiment, the second holding portion 6 3 b in the filter unit 6 3, head portion 6 5, and knob 6 7 are gar-forming into the first holding portion 6 3 a, as can be exchanged filter medium 61 as needed, the second holding portion 6 3 b are manufactured as a separate member. The first holding portion 6 3 a and the second holding portion 6 3 b, (not shown.) Engaging portions can Rukoto to adjust engagement with each other are formed, sandwiching the filter medium 6 1 state by engaging one another engagement portion of the first holding portion 6 3 a side and an engagement portion of the second holding portion 6 3 b side below, filter medium 61 is stably clamped. In FIG. 3, an opening is formed in the center of the first holder 6 3 a shown by the reference numeral OP 1, see an opening is made form the center of the second holding portion 6 3 b code OP 2 It is indicated by.

In use of the tissue ablation piece collection device 5 0 having the above-described appearance and structure, trap member loading aperture 5 7 to the filter unit 6 3 to the trap member 6 0 medium 61 is held, from the filter unit 6 3 side loaded into the body member 5 1 through. Since knob 6 7 the trap member 6 0 is formed, with sandwiching the knob portion 6 7 with one hand, the trap member 6 0 can be easily loaded into the body member 5 1.

As shown in FIG. 4, in the state in which the trap member .6 0. Loaded into the body member 5 1, is sealed by the head portion 6 5 to trap member loading aperture 5 7, the inner space 5 2 a , and the through holes 5 3 a, 5 4 a, by the lower surface of the head portion 6 5, passage 5 5 (see FIG. 2 (a) or FIG. 2 (B) refer) is formed. Further, as a result of the filter unit 6 3 is moth I de by the guide groove 5 2 b is arranged at a predetermined position, the filter media 61 is positioned at a substantially central portion of the cylindrical portion 5 2. In other words, the filter unit 6 3 (medium 6 1) is disposed so as to traverse the flow path 5 5 in the central portion of the flow passage 5 5.

As a result, the tissue ablation pieces come is transferred from the exhaust channel to the conduit 3 0 (see FIG. 1), the tissue ablation pieces are captured by the filter medium 61. Then, the trap member 6 0 was 捉 catching the tissue ablation piece body member 5 first force, by removing al, can be recovered tissue ablation piece.

Trap member 6 0 is mainly sucked, frictional force acting between the inner and outer circumferential surfaces of the head portion 6 5 of the collar 5 9, and, generated by a negative pressure generating device 4 0 (see FIG. 1) by the force go-between, and is fixed to the body member 5 1. These frictional and attraction force is relatively weak in, even while it is running vacuum generator 4 0, only pulling the trap member 6 0 across the knob 6 7 with one hand in a predetermined direction, trap member 6 0 from the body member 5 1 can easily take out Succoth. When was divided take a body member 5 1 Power et trap member 6 0 while it is running vacuum generator 4 0, since the negative pressure in the discharge channel is released, blood Ya from the discharge channel to the conduit 3 0 transfer of such body fluid is stopped, never trapped member loading aperture 5 7 forces et blood or body fluid is demo.

If necessary, it is also possible to attach a cap member 7 0 shown in FIG. 5 the trap member loading aperture 5 7. The cap member 7 0 may be a shape other than the filter unit 6 3 to the trap member 6 0. By mounting the cap member 7 0, not essential to capture the unwanted tissue ablation piece Ya gastrointestinal contents, etc., during the second conduit 3 4 (tissue ablation piece times Osamugu 5 0 and the negative pressure until the aforementioned containers arranged between) the generator 4 0 can be by connexion transported to the suction force of the.

Tissue resection specimens collected tool 5 0 described above, the outer diameter of the cylindrical portion 5 2 of the body member 5 1 (excluding the region in which color 5 9 is formed.) And an outer diameter of the pipe 3 0 since work well be about the same, it is easy to miniaturize.

Also, the loading of trap members 6 0 to body member 5 1, and removal of the trap member 6 0 from the body member 5 1 can be easily performed with one hand. Therefore, operation is simple.

Furthermore, after the capture tissue ablation debris by the filter unit 6 3 (medium 6 1), remove the trap member 6 0 from the body member 5 1, directly to tissue fixation container below the tissue fixative was placed 揷since it is possible to fixed simply by entering, recovered, it is easy to fix the tissue ablation piece. Also, by sequentially replacing the trap member 6 0, it is possible to continuously collect a plurality of tissue ablation piece.

Tissue resection specimens collected device of the present invention to achieve the above technical effect, a tubular body member, it is in the trap member which is loaded in the main body member that the basic configuration, that of implementation embodiments described above the present invention is not limited to. Hereinafter, while appropriately citing the reference numerals used in FIGS. 1 to 5, described in detail for each component.

(A) body member

The body member 5 1, from the viewpoint of easy processing, it is good preferable to prepare a synthetic resin. Further, after the tissue ablation pieces of interest can be prevented from filtering section 6 3 unnecessary tissue ablation piece Ya gastrointestinal contents or the like after being captured by (filter medium 61) is further captured

From 0, so that if a force not the tissue ablation piece is captured by the filter unit 6 3 (medium 6 1) visible from the outside, it is preferable to form at least part of a transparent material. From this point of view, the body member 5 1, polystyrene resin, polycarbonate resin, § click Lil resin, Porishioi匕 vinyl 榭脂, be by connexion produced in a transparent resin such as polyethylene terephthalate resin. The poor workability as compared with the synthetic resin, but can also be made the body member 5 1 of glass.

The body member 5 1, as long as it flow passage 5 5 therein when loaded trap member 6 0 is formed, the contour shape can be appropriately selected. Tubular portion 5 2 of cylindrical shape as in the embodiment described above (except. A region color 5 9 is formed) when the, of its length a generally 5 0 to 1 0 0 mm range, be in the range of the outside diameter approximately 1 0 to 5 0 mm is practically suitable.

As for the inner space 5 2 a cross-sectional shape of the cylindrical portion 5 2 (cross-sectional shape of the direction you orthogonal to the flow-down direction in the flow passage 5 5), and can be appropriately selected. The cross-sectional shape circular when the (except. The area the trap member loading aperture 5 7 is formed) is preferably in the range of the diameter of approximately 5 to 4 5 mm.

The first connector portion 5 3 and the second connector portion 5 4 each having an outer diameter to be attached to the tubular portion 5 2 (the outer diameter of the portion to be connected is inserted into the first conduit 3 2 or the second conduit 3 4) it is preferable that the first conduit 3 2 or the second conduit 3 4 is appropriately selected according to the inner diameter force generally 5-1 in the range of 5 mm. Further, the cylindrical portion protruding length from 5 2, tissue resection specimens collected tool 5 0 first connector portion 5 3 or the second connector portion 5 4 first conduit 3 2 or the second conduit 3 during use of the so as not to come off accidentally from 4 generally is preferably in the range of. 5 to 2 O mm.

To improve insertability into the first conduit 3 2 or the second conduit 3 4, and from the top to increase the tightness, the outer diameter of the first connector portion 5 3 and the second connector portion 4 of each tip slightly smaller than the inner diameter of the first conduit 3 2 or the second conduit 3 4, and, at the back (the cylindrical portion 5 2 side), the outer diameter of the first conduit 3 2 or the second conduit 3 4 a first realm slightly larger than the inner diameter of an outer diameter slightly smaller second than the outer diameter slightly larger first region than the inner diameter of the first conduit 3 2 or the second conduit 3 4 and a region, it is preferably provided in this order! /,.

Airtight material 5 3 b, 4 b provided in the first connector portion 5 3 or the second connector portion 5 4, such as isoprene rubber, butyl rubber, it is a child created by an elastic material such as natural rubber.

Incidentally, the first connector portion 5 3 and the second connector portion 4 in the embodiment described above, their respective functions as O scan material to the first conduit 3 2 or the second conduit 3 4 those in which the force S, in place of these connector portion 3, 5 4, a member in which a through hole is formed to function as a female member and against the first conduit 3 2 or the second conduit 3 4 No. It can also be used as a connector or the second connector part.

The shape of the trap member loading aperture 5 7 forming the cylindrical portion 5 2, it is possible to insert the filter unit 6 3 to the cylindrical portion 5 2, and shape which can be sealed by the head portion 6 5 as long, and it can be appropriately selected depending on the shape of the head portion 6 5 to these filter 6 3 and. When a trap member mounting port 5 7 and the head unit 6 5 shape on each viewed to circular, the loading of the trap member 6 0 to body member 5 1 is facilitated. The size of the trap member loading aperture 5 7, according to the size of the head portion 6 5, and can be appropriately selected. The body member 5 1, can either be distributed in an assembled condition in advance a predetermined shape, to allow a user to select any combination when using the tissue ablation piece collection tool 5 0, the cylindrical portion 5 2, the first connector portion 5 3, can be distributed in a state which is divided into the members of the second connector portion 5 4, and a force color 5 9.

(B) trap member

Filter 6 3 head portion 6 5, and knob 6 7 to, in the trap member 6 0, with the exception of one of the first holding portion 6 3 a and the second holding portion 6 3 b, integrally molded it is possible and the child. Of course, after forming each portion as separate members, these members ultrasonic NamiToruchaku method, thermal bonding method, and bonding by an adhesive or the like, or in integral turned into the Hamagoyanishigo, trap member 6 0 it is also possible to assemble in.

Furthermore, to allow a user to select any combination when using the tissue ablation piece collection tool 5 0, the filter unit 6 3, the head unit 6 5, and knob 6 7 separate It can be distributed as a member.

Filter medium 61, as well as the force above that intended are always provided on the trap member 6◦, it can be distributed as a separate member from the trap member 6 0.

Trap member 6 0, except for the filter medium 61, the resistance to the tissue fixative processing will be described later easy

Polystyrene resins from the viewpoint of having two, poly force Poneto resins, polyvinyl chloride resins, can be produced using synthetic resin such as polyethylene terephthalate resin. If necessary, it can be subjected to colored knob 6 7. By applying colored with different colors to acquire 6 7 nail more trap members 6 0, the acquired tissue excised pieces it is possible to classify the color of the pawl body part 6 7. Workability inferior to synthetic resin, but may also be made trap member 6 0 by glass.

Filter medium 61 is a gas, a liquid (blood, body fluid, such as a liquid emitted from the water supply channel) passing over possible, but 袓織 sampled piece is not particularly limited as long as it can capture, Nai port down fibers , polyester fiber, it is not preferable is a meshwork constituted by fibrous material such as cotton.

The size of the region exposed without having to go covered within the filter medium 61 by the first holding portion 6 3 a and the second holding portion 6 3 b shall be large enough to capture the tissue ablation piece. Further, mesh in filter medium 61 is 0.1 to 1. It is preferably about 5 mm. If the mesh opening is smaller than the above range, for example, body cavity residues etc. easy no longer clogged by, there is a possibility can not be sucked and clogging. Further, when the mesh is larger than the above range, it may be impossible to capture the necessary tissue ablation piece.

Filter medium 61 is such that the surface facing the first conduit 3 2 side becomes a concave recessed second conduit 3 4 (negative pressure generating device 4 0) side during use of the least tissue resection specimens collected tool 5 0 , it is preferred to attach the filter unit 6 3. By Fit taken to the filter unit 6 3 while the filter medium 61 were relaxed, it is easier to the above shape.

By the filter medium 6 1 of the above configuration, the captured tissue ablation pieces while being held to the filter unit 6 3 (medium 6 1), it is easy to remove the trap member 6 0 from the body member 5 1. If necessary, the desired position of the trap member 6 0, it is preferable to mark for specifying a trap member 6 0 orientation at the time of installation.

Instead of attaching the filter medium 61 into the aforementioned shape to the filter unit 6 3, that means the area located in the first holding portion 6 3 a and the second holding portion 6 3 b respectively of the peripheral portion (around the filter medium 6 1 .) to slightly thickened, with a filter medium 61 and the peripheral portion may be formed a recess for holding the acquired tissue resection specimens.

If the replacement of the filter media 61 may not be considered, formed as a single member without dividing the filter unit 6 3 to the first holding portion 6 3 a and the second holding portion 6 3 b, the filter it may be bonded to the filter medium 61 in part.

As the filter medium 61, it is also possible to use a synthetic resin plate or a metal plate having a large number of through-holes. When the filter medium 61 is a synthetic resin plate or metal plate, skip first holding portion 6 3 a and the second holding portion 6 3 b hits to support the filter medium 61, to the head portion 6 5 it is also possible to hold the filter medium 61 underneath surface. In this case, the filter medium 61 is filter unit 6 3.

Head portion 6 5 to, in a plan view, is preferably a shape that projects around the filter portion 6 3, and corresponding to the outline shape and size of the plan view of the trap member loading aperture 5 7 shape it is preferable that the Oyopi size.

Further, Tsu to de 6 5 to, as in the embodiment described above, Les Shi preferred is Rukoto provided an airtight material 6 5 a,. By providing a hermetic member 6 5 a, it is possible to enhance the airtightness between the trap member loading opening 5 7. The airtight material 6 5 a, for example, isoprene rubber, Petit Rugomu and by connexion fabricated elastic material such as natural rubber. Trap member 6 0 when loaded into the body member 5 1, if necessary, may be coated on the outer peripheral surface of the head portion 6 5 f a sealing agent such as silicone grease.

Knob 6 7 provided on head part 6 5 to the loading of trap members 6 0 to body member 5 1, and the removal of the trap member 6 0 from the body member 5 1, the knob 6 7 is for making it possible to be with scissors with one hand, its shape and size can be appropriately selected.

(C) a cap member

Cap member 7 0, as described above, but the trap member 6 0 is attached to the trap member loading aperture 5 7 when not loaded in the body member 5 1, to seal the trap member loading aperture 5 7 There can be a trap member 6 0 forces described above, except et filter unit 6 3 shape. The cap member 7 0. From the viewpoint of having resistance to tissue fixative processing will be described later easy, polystyrene 榭脂, polycarbonate resins, polyvinylidene chloride Bulle resin, be produced using synthetic resin such as polyethylene terephthalate resin preferable. Workability inferior to synthetic resin, but may also Seisuru create the cap member 7 0 by glass.

4 ° embodiment of the tissue fixation container Contact Yopi tissue fastener of the present invention>

6, the tissue fixation container 9 0 of this embodiment is an exploded perspective view showing a state in which housing the trap member 6 0 after capture tissue ablation piece 8 5 schematically. Of the parts material shown in FIG. 6, already omitted reference numerals and the description thereof are denoted by the same reference numerals used in FIG. 2 (A) the members shown in FIG. 2 (A).

Tissue fixation container 9 depicted 0 is a bottle-shaped having a mouth 9 1 at one end, the tissue fixation container 9 0, internal volume capable of tissue ablation piece 8 5 houses each filter unit 6 3 have. Mouth 9 1 has a head portion 6 5 plan view shape our Yopi size shape Contact Yopi size corresponding to the of the, head portion 6 5 to the lower mouth 9 1, overhang 9 3 capable of engaging the lower surface of the are formed.

Such tissue fixation containers 9 0, resistant to tissue fixative, and a transparent material capable of viewing the organization resection pieces in, for example, polystyrene resins, polycarbonate resins, Porishio spoon vinyl resin, it is preferable to prepare a transparent resin or glass such as polyethylene terephthalate resin.

Fixed tissue resection piece 8 5 in advance an appropriate amount of tissue fixative tissue fixation container 9 0, for example, put 2 0% formalin solution, then the trap member 6 0 capturing the tissue ablation piece 8 5 filter 6 by inserting the 3 side to the tissue fixation container 9 0, as possible out to perform. In this case, the filter portion 6 3, is inserted to the lower side of the projecting portion 9 3. As shown in FIG. 7, since the mouth 9 1 has a shape Contact Yopi size described above, the trap members 6 0 when inserted into tissue fixation container 9 0, mouth 9 1 to the by the head portion 6 5 are connexion sealed. As shown, the Tsu by de 6 5 lower surface projecting portion 9 3 under a state of being locked, by sea urchin the tissue lower end of the filter unit 6 3 and the bottom surface of the tissue fixation container 9 0 contacts by selecting the depth of the fixed container 9 0, during tissue ablation piece 8 5 and is easily prevent child from being falling off from the trap member 6 0 on the bottom of the tissue fixation container 9 0 Save becomes, as a result, the tissue ablation piece 8 5 can be easily pulled reliably from tissue fixation container 9 0 upon histopathology.

By using the tissue fixation container 9 0 described above, it becomes possible to fix without taking a tissue ablation piece 8 5 from the trap member 6 0, by 挫 dark tissue ablation piece 8 5 during the process of securing it is possible to extremely reduce the risk of put away. Further, removal of the trap member 6 0 from tissue resection specimens collected instrument 5 0 (body member 5 1) can and this performed with one hand, as described above, 揷 trap member 6 0 to tissue fixation vessel 9 0 for even input, since it is possible to carry out with one hand, quickly and Ru can easily do the work for fixing.

Furthermore, when performing histopathological diagnosis, since it is possible to take out together tissue ablation piece 8 5 simply removing the trap member 6 0 from tissue fixation container 9 0, tissue ablation piece 8 5 only tissue it is simple as compared with the case of taking out from the fixed container.

Trap member 6 0, in addition it is available as a component of a tissue resection specimens collected tool 5 0 described above, can also be utilized as a component of the tissue anchors. A trap member 6 0, and those said trap member 6 0 tissue fixation container 9 0 corresponding to constitute a set of tissue anchors 1 0 0. Industrial Applicability

As described above, according to the present invention, is easy to miniaturize, can be operated with one hand, it recovered easy to fix the tissue ablation piece of tissue resection specimens collected equipment and its components is provided that. By sequentially replacing the trap member, it is also possible to recover a plurality of tissue ablation pieces continue to communicate. Further, according to the present invention, it facilitates tissue fixation container Contact Yopi tissue anchors is possible to fix the tissue ablation pieces recovered by the tissue resection specimens collected device are also provided.

As these results, the recovery your Yopi fixed tissue resection pieces, more quickly, and reliably It is easier to perform.

Claims

The scope of the claims
1. Endoscope vacuum generator and arranged in the channel connecting the tissue ablation pieces coming transferred to the conduit from the discharge channel to the discharge channel and the outlet of the channel negative pressure a recovery tool to recover,
Comprising a tubular body member, and a trap member which is loaded in the body member,
It said body member includes a flow passage to be a segment of the conduit, and a trap member loading opening for loading the trap member,
The trap member comprises a filter unit filtering material for capturing the tissue ablation pieces are arranged, and a head portion continuous with said filter section,
When loaded with the trap member to said body member, said with filter unit is arranged so as to traverse the flow path, the trap member mounting port by head portion to the can is sealed,
The loading of the trap member to the body member, and the tissue ablation piece collection device is a removable force S of the trap member from the body member.
2. The conduit is, the in the boundary arrangement position of the body member, is divided into the first conduit of the discharge channel side the negative pressure generating device side second conduit,
Said body member, said a first connector part connected to the first conduit, and a second connector portion which is connected to the second conduit, said first connector portion and the second connector portion tissue resection specimens collected device of claim 1, the interior of their respective constitutes a part of the flow passage.
3. The body member, the tissue resection specimens collected instrument according to the filter portion of the guide groove of gas I de to be have claim 1 or 2 having a predetermined position during the loading of the trap member.
4. The filter unit is, in a first holding portion having a central opening, and a second holding portion which center corresponds to the opening is open, and the first holding portion and the second holding portion tissue resection specimens collected tool according to any one of claims 1 to 3, the filter medium can be sandwiched.
5. The filter unit, tissue resection specimens collected implement any crab of claims 1 to 4, wherein the filter medium is arranged in a relaxed state.
6. Loading a trap member in which the filter medium to the filter unit is disposed in said body member
When 7, tissue resection specimens collected tool according to any one of claims 1 to 5 capable of viewing the filter medium.
7. Additionally, the trap member is attached to the trap member mounting slot when not loaded in the body member, said trap member loading aperture Claim has a cap member capable of sealing a 1 tissue resection specimens collected device according to any one of 1 to 6.
8. Claim 1, 2, 3, and 6 tissue resection specimens collected-instrument body member according to any one of.
9. Claim 1, 4 or 5 tissue resection specimens collected device for trapping member described.
A 1 0. Tissue fixation container which can be used for fixation of claim 1-7 tissue ablation pieces recovered by the trap member according to the tissue ablation piece collection device or claim 9 according to any one of Te,
Has an internal volume that can be accommodated by the trap member and the filter portion of tissue ablation piece by connexion trapped and sealed by head portion Previous SL when the tissue excised pieces containing each of the filter unit tissue fixation for a container that can be.
1 1. Claim 1, 4 or the trap member according to 5, tissue anchors and a tissue fixation container according to claim 1 0.
1 2. Claims 1-7 recovery method of tissue ablation pieces using tissue ablation piece collection device according to any one of.
1 3. According to claim 1 1, the method of fixing tissue ablation piece with 袓織 fixture.
PCT/JP2004/000940 2003-02-25 2004-01-30 Cut tissue piece recovery device WO2004075740A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
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JP2003-047977 2003-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005502821A JPWO2004075740A1 (en) 2003-02-25 2004-01-30 Tissue resection specimens collected instrument

Publications (1)

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WO2004075740A1 true true WO2004075740A1 (en) 2004-09-10

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JP2007105396A (en) * 2005-10-17 2007-04-26 Olympus Medical Systems Corp Endoscope and filter detachably attached to the endoscope
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JP2007209764A (en) * 2006-02-10 2007-08-23 Us Endoscopy Group Inc Polyp trap
JP2012523888A (en) * 2009-04-15 2012-10-11 シー・アール・バード・インコーポレーテッドC R Bard Incorporated Biopsy device having an integrated fluid management system
JP2013532842A (en) * 2010-08-02 2013-08-19 マイクロスコピー イノベーションズ, エルエルシーMicroscopy Innovations, Llc Method and apparatus for microscope slide preparing
JP2015503952A (en) * 2011-12-16 2015-02-05 ストライカー・コーポレイション System for collecting a tissue sample from a fluid stream generated during medical / surgical
USD771832S1 (en) 2014-06-17 2016-11-15 Medline Industries, Inc. Lid and screen assembly of a sample collection container with screen
US9671318B1 (en) 2015-12-02 2017-06-06 Medline Industries, Inc. Specimen collector
US10105470B2 (en) 2012-10-24 2018-10-23 Stryker Corporation Mobile instrument assembly for use as part of a medical/surgical waste collection system, the assembly including a vacuum source to which a mobile waste collection cart can be releasably attached

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JP2001245890A (en) * 2000-03-08 2001-09-11 Olympus Optical Co Ltd System for gathering helicobacter pylori fungi

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JP2001245890A (en) * 2000-03-08 2001-09-11 Olympus Optical Co Ltd System for gathering helicobacter pylori fungi

Cited By (18)

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Publication number Priority date Publication date Assignee Title
US7963910B2 (en) 2005-06-20 2011-06-21 Olympus Medical Systems Corporation Endoscope accessory, endoscope system and method for mounting endoscope accessory to endoscope
JP4746359B2 (en) * 2005-06-20 2011-08-10 オリンパスメディカルシステムズ株式会社 Endoscopic treatment tool
JP2006346341A (en) * 2005-06-20 2006-12-28 Olympus Medical Systems Corp Treatment tool for endoscope
US7775973B2 (en) 2005-08-24 2010-08-17 Olympus Medical Systems Corp. Endoscope system
WO2007023769A1 (en) * 2005-08-24 2007-03-01 Olympus Medical Systems Corp. Endoscope system
JP2007054280A (en) * 2005-08-24 2007-03-08 Olympus Medical Systems Corp Endoscope system, instrument for endoscope, and endoscope
JP2007105396A (en) * 2005-10-17 2007-04-26 Olympus Medical Systems Corp Endoscope and filter detachably attached to the endoscope
EP1813184A1 (en) * 2006-01-31 2007-08-01 Olympus Medical Systems Corp. Endoscope system
US8262565B2 (en) 2006-01-31 2012-09-11 Olympus Medical Systems Corp. Endoscope system
JP2007209764A (en) * 2006-02-10 2007-08-23 Us Endoscopy Group Inc Polyp trap
US8088079B2 (en) * 2006-02-10 2012-01-03 U.S. Endoscopy Group, Inc. Polyp trap
JP2012523888A (en) * 2009-04-15 2012-10-11 シー・アール・バード・インコーポレーテッドC R Bard Incorporated Biopsy device having an integrated fluid management system
JP2013532842A (en) * 2010-08-02 2013-08-19 マイクロスコピー イノベーションズ, エルエルシーMicroscopy Innovations, Llc Method and apparatus for microscope slide preparing
JP2015503952A (en) * 2011-12-16 2015-02-05 ストライカー・コーポレイション System for collecting a tissue sample from a fluid stream generated during medical / surgical
US9943291B2 (en) 2011-12-16 2018-04-17 Stryker Corporation Specimen cassette with a removable catch tray for retrieving tissue samples from a fluid stream generated during a medical/surgical procedure
US10105470B2 (en) 2012-10-24 2018-10-23 Stryker Corporation Mobile instrument assembly for use as part of a medical/surgical waste collection system, the assembly including a vacuum source to which a mobile waste collection cart can be releasably attached
USD771832S1 (en) 2014-06-17 2016-11-15 Medline Industries, Inc. Lid and screen assembly of a sample collection container with screen
US9671318B1 (en) 2015-12-02 2017-06-06 Medline Industries, Inc. Specimen collector

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