CN217960163U - Rotary cutter of portable living tissue device - Google Patents

Abstract

The utility model discloses a portable living tissue device's rotary cutter characterized by: comprises an inner knife pipe, an outer knife pipe, a piston mechanism, a gear mechanism, a suction component, an exhaust pipe, a sample collector, a liquid discharge port, a liquid discharge pipe and a shell. The utility model discloses not only small portable uses with the special main frame cooperation, makes things convenient for medical personnel to remove and operating means, is equipped with exhaust assembly moreover, and the blood water of mistake suction main frame can in time be discharged, can not cause the host computer damage.

Description

Rotary cutter of portable living tissue device

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a portable rotary-cut sword of living tissue device.

Background

The rotary cutter for mammary gland is a system for puncture biopsy and rotary cutting of mammary gland under the guidance of ultrasonic wave, and can be used for carrying out minimally invasive biopsy or rotary cutting operation on breast lesion tissues under the guidance of ultrasonic wave. The existing biopsy tissue examination device mainly has 2 forms, one is a breast biopsy operation device such as a Maimengtong, which needs to clamp each rotary cut sample in the operation process; the second is a rotary-cut mammary gland knife surgical equipment such as bard, it can realize once puncture many times and cut the function of sample, and the doctor can change the collector and continue the operation after collecting the box and becoming full, and 2 types of machines all need great host computer and complete machine volume above, inconvenient removal, and the portable machine of Elite like the maimer leads to the fact the blood water too much in the collector easily under the big sampling quantity circumstances in addition, is inhaled in the host computer by the vacuum pump of host computer easily, causes the machine to destroy the risk.

Disclosure of Invention

The utility model aims at providing a portable rotary cutter who lives tissue device to current mammary gland living tissue rotary-cut device has bulky, and the interior blood water of collector is too many, easily by the vacuum pump suction host computer of host computer in, causes the problem of machine damage, provides a rotary cutter who lives tissue device.

The utility model provides a technical scheme that its technical problem adopted is: a rotary shaver for a portable biopsy device, comprising: the double-layer knife pipe comprises an inner knife pipe, an outer knife pipe, a piston mechanism, a gear mechanism, an air suction assembly, an exhaust pipe, a sample collector, a liquid discharge port, a liquid discharge pipe and a shell, wherein the outer knife pipe is fixed on the shell, a suction window for rotary cutting is arranged at the front part of the outer knife pipe, the inner knife pipe and the outer knife pipe form a double-layer knife pipe, one end of the inner knife pipe is positioned at the other end of the suction window of the outer knife pipe and communicated with the sample collector, the gear mechanism is fixed on the inner knife pipe, the air suction assembly is communicated with the sample collector and an air suction port of a vacuum pump in a special host, the exhaust assembly is fixed on the sample collector, the exhaust assembly is provided with a passage, one end of the passage is correspondingly connected with an exhaust port of the vacuum pump in the special host, the other end of the passage is connected with one end of the exhaust pipe, the other end of the exhaust pipe is connected with the liquid discharge port, the liquid discharge port is positioned at the bottom of the sample collector, and one end of the liquid discharge pipe is connected with the waste liquid discharge pipe collecting device.

Preferably, the piston mechanism comprises a piston sleeve and a piston main body, the piston sleeve is fixedly connected with the shell, the piston sleeve is provided with a ventilation hole, the ventilation hole is communicated with the outside air through the shell, the piston main body is fixed on the inner cutter tube, the piston main body is provided with two air holes, the two air holes are communicated, and one air hole is communicated with the inner cutter tube.

Preferably, the sample collector is provided with a mesh-structured filter screen and an opening knob, and the opening knob can be opened.

Preferably, the drain is provided with a one-way valve in the direction from the sample collector to the waste collection means.

Preferably, the rotary cutter of the portable living tissue device is provided with a buckle, and is assembled with the special main machine into a whole through the buckle when in use.

The exhaust assembly is fixed on the sample collector, so that the installation and the use of a special host machine are facilitated, and the production and the manufacture are facilitated.

When the rotary cutter of the portable living tissue device is used, the rotary cutter is assembled with a special main machine into a whole through a buckle, a vacuum pump in the special main machine sucks gas in a sample collector through an air suction port and then discharges the gas into a waste liquid collecting barrel through a hose through an air exhaust port to form negative pressure, the sample collector is communicated with an inner cutter tube and transmits the negative pressure to a suction window which is arranged at the front part of a cutter head for rotary cutting through communication, human tissues are sucked after being close to the suction window, meanwhile, the inner cutter tube moves and rotates under the driving of a gear mechanism, the purpose of rotary cutting samples is achieved in the continuous moving process, the samples are sucked into the collector under the vacuum negative pressure, blood and water carried by the samples after falling into the sample collector leaks into the bottom of the collector, and when too much blood water in the collector is sucked by the vacuum pump by mistake, the blood water can be discharged through an exhaust assembly, and the damage to the main machine cannot be caused.

The utility model has the advantages that:

1. the medical nursing bed is matched with a special host for use, has small volume and portability, and is convenient for medical care personnel to move and operate equipment;

2. the exhaust assembly is arranged, so that blood which is sucked into the main machine by mistake can be discharged in time, and the damage to the main machine cannot be caused.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the piston mechanism of the present invention.

In the figure: 1. the device comprises an outer cutter tube, 2 an outer cutter tube suction window, 3 an inner cutter tube, 4 a fixed block, 5 a piston mechanism, 6 a gear mechanism, 7 a shell, 8 an air suction assembly, 9 an exhaust assembly, 10 a sample collector, 11 an opening knob, 12 a liquid discharge port, 13 a liquid discharge pipe provided with a one-way valve, 14 an exhaust pipe, 15 a cutter edge adjusting knob, 501 a piston sleeve, 502 a piston ventilation hole, 503 a piston sealing sleeve and 504 a piston main body.

Detailed Description

As shown in fig. 1 and 2, a rotary cutter of a portable living tissue device comprises: the device comprises an outer cutter tube 1, an outer cutter tube suction window 2, an inner cutter tube 3, a fixed block 4, a piston mechanism 5, a gear mechanism 6, a shell 7, an air suction assembly 8, an exhaust assembly 9, a sample collector 10, an opening knob 11, a liquid discharge port 12, a liquid discharge tube 13 provided with a one-way valve, an exhaust tube 14 and a cutter edge adjusting knob 15, wherein the outer cutter tube 1 is fixed on the shell 7, the front part of the outer cutter tube suction window 2 is provided with the outer cutter tube for rotary cutting, the inner cutter tube 3 and the outer cutter tube 1 form a double-layer cutter tube, one end of the inner cutter tube 3 is positioned at the outer cutter tube suction window 2, the other end of the inner cutter tube 3 is communicated with the sample collector 10, the gear mechanism 6 is fixed on the inner cutter tube 3 and is matched with a special host internal gear to drive the inner cutter tube 3 to rotate and move, the air suction assembly 8 is communicated with the sample collector 10 and an air suction port of a vacuum pump in a special host, the exhaust assembly 9 is fixed above the sample collector 10, a waste liquid discharge port of the vacuum pump in the special host is communicated with an exhaust port of the waste liquid collector through the exhaust port 14, the sample collector 12 is positioned at the bottom of the sample collector 12, and the liquid discharge tube 2 is communicated with the sample collector for adjusting knob 13.

The piston mechanism 5 shown in fig. 3 includes a piston sleeve 501, a piston main body 504, and a piston gland 503, wherein the piston main body 504 is movable inside the piston sleeve 501, the piston sleeve 501 is provided with a piston ventilation hole 502, the ventilation hole 502 is communicated with the outside air through a housing 7, the piston main body 504 is fixed on the inner cutter tube 3 and is provided with two air holes, namely a piston air hole a505 and a piston air hole B506, the piston air hole a505 and the piston air hole B506 are communicated with each other, and the piston air hole a505 is communicated with the inner cutter tube 3.

When the cutting head of the inner cutter tube 3 is at the stop position closest to the cutting edge of the outer cutter tube 1, the piston ventilation hole B506 is communicated with the piston ventilation hole 502, so that the sample collector 10 is communicated with the outside air; when the cutter head of the inner cutter tube 3 moves away from the cutter edge of the outer cutter tube 1, the piston air hole B506 passes through the piston ventilation hole 502, and the piston air hole B is disconnected with the piston ventilation hole 502 at the moment, so that the sample collector 10 is isolated from the outside air, the vacuum pump extracts the air in the sample collector 10, and the inner cutter tube 3 and the sample collector 10 are in a negative pressure state; when the inner knife tube 3 moves to the position farthest from the knife edge of the outer knife tube 1, the piston air hole A505 does not reach the piston ventilation hole 502, so the sample collector 10 is always isolated from the outside air.

The embodiment of the utility model provides an each action principle does:

cutting and sampling actions: interior sword pipe 3 removes to keeping away from the cutting edge direction from the stop position under the drive of gear mechanism 6, vacuum pump in the special host computer begins to work, interior sword pipe 3 and sample collector 10 are in the negative pressure state this moment, after interior sword pipe 3 reachs and keeps away from the cutting edge furthest end position, sword pipe 3 removes to the stop position again in the control of gear mechanism 6, the sample begins to cut this moment, the inspiratory bloody water of vacuum pump mistake when the bloody water is too much in sample collector 10, can arrange waste liquid collection device through exhaust subassembly 9, can not cause the host computer damage, when reacing the stop position, vacuum pump stop work in the special host computer, accomplish a complete cutting sample action.

Liquid pumping action: interior sword pipe 3 removes to keeping away from the cutting edge direction, vacuum pump in the special host computer begins to work, remove and stop behind 1mm to 6mm, pause 0.1s to 10s in this position, because interior sword pipe 3 is interior negative pressure can extract the bloody water, the inspiratory bloody water of vacuum pump mistake when the bloody water is too much in sample collector 10, can arrange waste liquid collection device through exhaust subassembly 9, can not cause the host computer damage, then interior sword pipe 3 removes to the stop position, reach the stop position after, vacuum pump stop work in the special host computer, accomplish a drawing liquid action.

Liquid drainage action: sample collector 10 can be taken out the bloody water to sample collector 10 with the action of drawing liquid at every turn cutting sample action, there is the filter screen sample collector 10 the inside, the bloody water can leak sample collector 10 bottom, when cutting sample action or drawing liquid at every turn and moving the end, sample collector 10 all can communicate with the outside air, at this moment outside air gets into sample collector 10 that is in the negative pressure state and can impress the bloody water in the waste liquid collection device from bottom fluid-discharge outlet 12 extrusion through the fluid-discharge tube 13 that is equipped with the check valve.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and such modifications and adaptations are intended to be included within the scope of the invention.

Claims (5)

1. A rotary shaver for a portable biopsy device, comprising: the double-layer knife pipe comprises an inner knife pipe, an outer knife pipe, a piston mechanism, a gear mechanism, an air suction assembly, an exhaust pipe, a sample collector, a liquid discharge port, a liquid discharge pipe and a shell, wherein the outer knife pipe is fixed on the shell, a suction window for rotary cutting is arranged at the front part of the outer knife pipe, the inner knife pipe and the outer knife pipe form a double-layer knife pipe, one end of the inner knife pipe is positioned at the other end of the suction window of the outer knife pipe and communicated with the sample collector, the gear mechanism is fixed on the inner knife pipe, the air suction assembly is communicated with the sample collector and an air suction port of a vacuum pump in a special host, the exhaust assembly is fixed on the sample collector, the exhaust assembly is provided with a passage, one end of the passage is correspondingly connected with an exhaust port of the vacuum pump in the special host, the other end of the passage is connected with one end of the exhaust pipe, the other end of the exhaust pipe is connected with the liquid discharge port, the liquid discharge port is positioned at the bottom of the sample collector, and one end of the liquid discharge pipe is connected with the waste liquid discharge pipe collecting device.

2. The rotary shaver for a portable living tissue apparatus as set forth in claim 1, wherein: the piston mechanism comprises a piston sleeve and a piston main body, the piston main body can move in the piston sleeve, the piston sleeve is provided with a ventilation hole, the ventilation hole is communicated with the outside air through a shell, the piston main body is fixed on the inner cutter tube, the piston main body is provided with two air holes, the two air holes are communicated, and one air hole is communicated with the inner cutter tube.

3. The rotary shaver for a portable living tissue apparatus as set forth in claim 1, wherein: the sample collector is provided with a mesh-structured filter screen and an opening knob, and the opening knob can be opened.

4. The rotary shaver for a portable living tissue apparatus as set forth in claim 1, wherein: the liquid discharge pipe is provided with a one-way valve, and the direction is from the sample collector to the waste liquid collecting device.

5. The rotary shaver for a portable living tissue apparatus as set forth in claim 1, wherein: the rotary cutter of the portable living tissue device is provided with a buckle and is assembled with a special main machine into a whole through the buckle when in use.

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