CN115462842A - Rotary-cut mammary gland biopsy device with water conservancy diversion function - Google Patents
Rotary-cut mammary gland biopsy device with water conservancy diversion function Download PDFInfo
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- CN115462842A CN115462842A CN202211209592.9A CN202211209592A CN115462842A CN 115462842 A CN115462842 A CN 115462842A CN 202211209592 A CN202211209592 A CN 202211209592A CN 115462842 A CN115462842 A CN 115462842A
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- 238000001574 biopsy Methods 0.000 title claims abstract description 42
- 210000005075 mammary gland Anatomy 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 3
- 238000005070 sampling Methods 0.000 claims abstract description 34
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 210000001519 tissue Anatomy 0.000 claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 239000003550 marker Substances 0.000 claims abstract description 11
- 210000004369 blood Anatomy 0.000 claims abstract description 7
- 239000008280 blood Substances 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 230000001575 pathological effect Effects 0.000 claims abstract description 5
- 230000001360 synchronised effect Effects 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 210000000481 breast Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013188 needle biopsy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other 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
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other 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
- A61B10/0041—Detection of breast cancer
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other 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
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other 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
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2055—Optical tracking systems
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Power Engineering (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oncology (AREA)
- Robotics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a rotary-cut mammary gland biopsy device with a flow guide function, which comprises a puncture biopsy needle, an internal rotary cutter rotary-cut sampling mechanism, an internal rotary cutter feeding mechanism, a rotary wheel type sample storage and flow guide mechanism, a coaming 1, a coaming 2, a coaming 3, a mounting plate 1, a mounting plate 2, a motor base and an optical positioning marker. The invention can realize puncture positioning navigation of the device by utilizing an optical positioning marker and a visual positioning navigation system, and after the outer needle is punctured, the internal rotary cutter rotary-cut sampling mechanism and the internal rotary cutter feeding mechanism are used for cutting off pathological tissues. The rotating wheel type sample storage and flow guide mechanism sucks the cut tissue into the sample storage pipe through negative pressure suction, and the sample storage bin rotates to the next sample storage pipe after sampling, so that one-time puncture and repeated sampling are realized, and the injury to a patient is reduced. The flow guide structure designed by the invention can discharge blood and tissue fluid generated in the puncture process through the flow guide structure, and prevent the device from being filled with the fluid and influencing the sampling and storing work of the device.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a rotary-cut mammary gland biopsy device with a flow guide function.
Background
At present, in a breast biopsy operation, a biopsy is needed to perform a puncture biopsy on a focus part, and a pathological examination is performed according to a biopsy sample, but a large amount of bleeding is inevitably generated in the puncture process, and a part of blood flows into a sample storage mechanism of the biopsy needle through the biopsy needle, so that the sample storage mechanism is filled with the blood, and the biopsy sampling is not facilitated. Meanwhile, in order to ensure the accuracy of diagnosis, the operation generally needs repeated sampling for many times, so that puncture is needed for many times, and secondary damage is caused to the patient.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a rotary-cut mammary gland biopsy device with a flow guide function, which solves the problems that the bleeding of the existing biopsy operation influences the sample taking and storing of the operation device and the secondary injury is caused to a patient by multiple needle replacement in the operation.
The technical scheme adopted by the invention is as follows: the invention provides a rotary-cut mammary gland biopsy device with a flow guide function, which comprises a puncture biopsy needle, an internal rotary cutter rotary-cut sampling mechanism, an internal rotary cutter feeding mechanism, a rotary wheel type sample storage and flow guide mechanism, a coaming 1, a coaming 2, a coaming 3, a mounting plate 1, a mounting plate 2, a motor base and an optical positioning marker.
The puncture biopsy needle comprises an outer needle and an inner rotary cutter; the outer needle is in a circular tube shape, the geometric shape of the needle point of the outer needle is an elliptic inclined surface needle point, a parallelogram sampling groove is arranged at the front end of the outer needle along the radial direction, external threads are arranged at the tail part of the outer needle, and the outer needle is screwed and fixed on the coaming 1 through the threads; the inner rotary cutter body is in a circular tube shape, and six rotary cutter heads which are distributed circumferentially are arranged on the front end face of the inner rotary cutter circular tube-shaped cutter body; the cutter head of the internal rotary cutter and the needle point of the outer needle are installed in the same direction, and the internal rotary cutter moves in the needle channel of the outer needle to cut tissues.
The internal rotary cutter rotary-cut sampling mechanism comprises a driving belt wheel 1, a driven belt wheel 1, a synchronous belt motor 1, an internal rotary cutter rotating seat, a rotary bearing, an internal rotary cutter shaft sleeve and an internal rotary cutter supporting seat; the driving belt wheel 1, the driven belt wheel 1, the synchronous belt 1 and the synchronous belt motor 1 form a synchronous belt transmission mechanism 1; the inner rotary cutter rotating seat is arranged at the left end of the mounting plate 1, the main body of the inner rotary cutter rotating seat is a cylinder, a shaft sleeve hole is axially formed in the cylinder, a circular tray is arranged at the middle rear part of the cylinder, and the driven belt wheel 1 and the rotary bearing are connected through threads and are respectively arranged on the upper surface and the lower surface of the circular tray of the inner rotary cutter rotating seat; the inner rotary cutter shaft sleeve is cylindrical and is provided with a through hole, the inner rotary cutter shaft sleeve is in interference fit with the inner rotary cutter rotating seat through a shaft sleeve hole, and the inner rotary cutter shaft sleeve is in interference fit with the inner rotary cutter through the through hole so as to drive the inner rotary cutter to rotate when the inner rotary cutter shaft sleeve rotates; the inner rotary cutter supporting seat is arranged at the left end of the mounting plate 2 and is coaxially connected with the inner rotary cutter; the synchronous belt motor 1 drives the internal rotary cutter rotating seat and the internal rotary cutter shaft sleeve to rotate through synchronous belt transmission, so that the internal rotary cutter is driven to rotate, and the rotary cutting function of the internal rotary cutter is realized.
The internal rotary cutter feeding mechanism comprises a driving belt wheel 2, a driven belt wheel 2, a synchronous belt motor 2, a ball screw, two driven belt wheel retainer rings, two screw belt seat bearings, a support shaft, a screw slide block and two screw slide block retainer rings; the driving belt wheel 2, the driven belt wheel 2, the synchronous belt 2 and the synchronous belt motor 2 form a synchronous belt transmission mechanism 2; the ball screw is connected with the driven belt wheel through a key; the two driven belt wheel check rings are arranged on two sides of the driven belt wheel and are coaxially matched with the ball screw through threaded connection; the two screw rod bearings with seats are in interference fit with the two ends of the ball screw, the two screw rod bearings with seats are in interference fit with the mounting plate 1 and the mounting plate 2, the two ends of the supporting shaft which is arranged at the right position between the mounting plate 1 and the mounting plate 2 are in interference fit with the mounting plate 1 and the mounting plate 2 respectively, and the two ends are arranged at the left sides of the internal rotary cutter rotating seat and the internal rotary cutter supporting seat; the lead screw sliding block is screwed with the ball screw, the lead screw sliding block is provided with an inner rotary cutter hole and a supporting shaft hole, and the lead screw sliding block is coaxially connected with the inner rotary cutter and the supporting shaft respectively through the inner rotary cutter hole and the supporting shaft hole; the two screw rod slide block retaining rings and the internal rotary cutter are arranged on the upper side and the lower side of the screw rod slide block through threaded connection, so that the relative positions of the screw rod slide block and the internal rotary cutter are locked, and the internal rotary cutter is driven to move when the screw rod slide block moves; the synchronous belt motor 2 drives the ball screw to rotate through synchronous belt transmission, so that linear feeding and retreating of the screw slide block are realized, and linear feeding and retreating of the inner rotary cutter are realized; the pathological tissues are rotary cut under the rotation and linear motion of the internal rotary cutter and are brought into the pipeline of the cutter body of the internal rotary cutter.
The rotary wheel type sample storage and flow guide mechanism comprises a sample storage pipe, a rotary wheel type sample storage pipe bin, a sample storage mechanism shell 1, a sample storage mechanism shell 2, a rotary wheel motor, a direct current brushless vacuum pump, an air exhaust hose, a ball valve, a flow guide pipe 1 and a flow guide pipe 2; the sample storage tube is totally eight, the main body is a hollow circular tube, the rear end of the sample storage tube is provided with a circular ring retaining shoulder, and the surface of the sample storage tube is axially provided with a clamping block and a rectangular notch from the front end surface of the sample storage tube to the circular ring retaining shoulder; the center of a circle of the front end surface and the rear end surface of the rotary wheel type sample storage tube bin is provided with a cylindrical cavity with the same volume, the center of the middle part of the rotary wheel type sample storage tube bin is provided with a motor shaft hole 1, the rotary wheel type sample storage tube bin is provided with 8 sample storage tube cavities distributed along the circumference, each sample storage tube cavity is provided with a clamping groove, a flow guide groove 1 communicated with the cylindrical cavity is also arranged along each sample storage tube cavity, 8 sample storage tubes are respectively arranged in the rotary wheel type sample storage tube bin, the circumferential fixation of the sample storage tubes is realized through the matching of the clamping blocks and the clamping grooves, so that the rectangular notches of the sample storage tubes are radially superposed with the flow guide groove 1 of the rotary wheel type sample storage tube bin, and a flow guide groove 2 communicated with the cylindrical cavity from the surface of the rotary wheel type sample storage tube bin is also arranged between every two adjacent sample storage tube cavities; the sample storage mechanism shell 1 is installed at the left end of the outer side of the installation plate 2 through threaded connection, the front part of the sample storage mechanism shell 1 is a solid cuboid, the rear part of the sample storage mechanism shell 1 is a round cover structure, a through hole is formed in the center of the sample storage mechanism shell, an internal rotation cutter enters and exits the rotary wheel type sample storage and diversion mechanism through the through hole, a supporting cylinder 1 is arranged at the circle center of the round cover structure of the sample storage mechanism shell 1, a diversion trench 3 is formed in the supporting cylinder 1, the sample storage mechanism shell 1 and the rotary wheel type sample storage pipe bin are coaxially matched with the supporting cylinder 1 through a cylindrical cavity, and meanwhile, two ends of the diversion trench 3 are radially superposed with the diversion trench 1 and the diversion trench 2 respectively; the sample storage mechanism shell 2 is a cylindrical shell with an opening at one end, the sample storage mechanism shell 2 is provided with a motor shaft hole 2 along a central line, a supporting cylinder 2 is arranged at the center of the bottom surface inside the sample storage mechanism shell 2, a diversion trench 4 with the same structure as the diversion trench 3 is arranged in the supporting cylinder 2, the sample storage mechanism shell 2 is coaxially matched with the rotary wheel type sample storage pipe bin through a cylindrical cavity and the supporting cylinder 2, and meanwhile, two ends of the diversion trench 4 are respectively coincided with the diversion trench 1 and the diversion trench 2 in the radial direction, a motor fixing groove and a negative pressure suction port are arranged on the outer side of the bottom of the sample storage mechanism shell 2, a diversion port is arranged on the side surface of the cylinder, and the sample storage mechanism shell 2 is connected with the sample storage mechanism shell 1 in a screwing manner; the rotating wheel motor is arranged on the outer side of the bottom of the sample storage mechanism shell 2 through threaded connection, and is in matched connection with the rotating wheel type sample storage tube bin and the sample storage mechanism shell 2 through a motor shaft hole 1 and a motor shaft hole 2; the direct current brushless vacuum pump is installed at the right end of the outer side of the mounting plate 2 through threaded connection; two ends of the air exhaust hose are respectively connected with a negative pressure suction port of the sample storage mechanism shell 2 and the direct current brushless vacuum pump; honeycomb duct 1, honeycomb duct 2 are the plastic hose, connect respectively at the both ends of ball valve, and the other end of honeycomb duct 1 is connected with the water conservancy diversion mouth that stores up appearance mechanism casing 2.
The coaming 3 is a U-shaped plate, the motor base is arranged at the right end of the inner side of the mounting plate 1 and is connected with the mounting plate 1 and the coaming 3 through threads; the optical positioning marker is coaxially arranged at the tail part of the outer needle.
After an outer needle of the rotary-cut mammary gland biopsy device is inserted into tissues, when an inner rotary cutter linearly feeds for rotary cutting, a ball valve is opened, a direct-current brushless vacuum pump is closed, blood and tissue fluid generated in the inserting and rotary-cutting processes flow into a sample storage tube of a rotary wheel type sample storage and guide mechanism through an inner rotary cutter pipeline, then flow into a guide groove 1 through a rectangular gap of the sample storage tube, then flow into a guide groove 3 and a guide groove 4, finally flow into a guide groove 2, and are discharged through a guide opening, a guide tube 1, the ball valve and a guide tube 2; when the internal rotary cutter performs rotary cutting sampling, the ball valve is closed, the direct-current brushless vacuum pump works, the biopsy tissue is sucked into the sample storage tube through negative pressure suction, after sampling and storing are completed once, the rotating wheel motor works to drive the rotating wheel type sample storage tube bin to rotate and switch to the next sample storage tube, then the internal rotary cutter linearly retreats to a preparation position, the ball valve is opened, the direct-current brushless vacuum pump is closed, and the next rotary cutting sampling and storing are performed.
The invention has the beneficial effects that: compared with the traditional puncture biopsy device, the rotary cutting biopsy device is provided with 6 rotary cutting tool bits at the front end of the inner rotary cutter, and the cutting efficiency is high during rotary cutting sampling; the rotary wheel type sample storage and flow guide mechanism designed by the invention can discharge blood and tissue fluid generated in the operation process through the flow guide structure, so that the blood and the tissue fluid are prevented from being accumulated in the sample storage bin to influence the continuous sampling of the device; the invention sucks the cut tissue into the sample storage tube by a negative pressure suction mode, and after the sampling is finished, the rotating wheel motor works to drive the rotating wheel type sample storage tube bin to rotate and switch to the next sample storage tube, so that one-time puncture and multiple sample storage are realized, secondary damage cannot be caused in the operation process, and tumor cell residue and needle channel transfer caused by multiple punctures are avoided. After the operation is finished, the sample storage tube can be independently taken out from the sample storage tube bin, so that the sample can be conveniently transferred and stored.
Drawings
Fig. 1 is a schematic structural diagram of a rotational atherectomy biopsy device with a flow guide function according to the present invention, in which a U-shaped plate is removed.
Fig. 2a is an external view of the rotational atherectomy biopsy device with flow guiding function according to the present invention.
Fig. 2b is a schematic view of the internal structure of the rotational atherectomy biopsy device with a flow guiding function according to the present invention.
Fig. 3 is a schematic view of the structure of the needle biopsy needle of the present invention.
Fig. 4a is a schematic view of the structure of an outer needle in the needle biopsy needle of the present invention.
FIG. 4b is an enlarged view of the outer needle tip of the biopsy needle of the present invention.
Fig. 5a is a schematic view of the structure of an internal rotary cutter in the biopsy needle of the present invention.
FIG. 5b is an enlarged view of the internal rotary cutter head of the biopsy needle of the present invention.
Fig. 6a and 6b are schematic structural diagrams of two angles of the internal rotary cutter rotary-cut sampling mechanism of the present invention.
Fig. 7 is a schematic structural view of an inner rotary cutter bushing in the rotary-cut sampling mechanism of the inner rotary cutter of the present invention.
Fig. 8 is a schematic structural view of an internal rotary cutter rotary seat in the internal rotary cutter rotary-cut sampling mechanism of the present invention.
Fig. 9 is a schematic structural view of the internal rotary cutter feeding mechanism of the present invention.
Fig. 10 is a schematic structural view of a lead screw slider in the internal rotary cutter feeding mechanism of the present invention.
Fig. 11 is a schematic structural view of the rotary wheel type sample storage and diversion mechanism of the present invention.
Fig. 12 is a schematic view of a connection structure of each component in the rotary wheel type sample storage and diversion mechanism of the present invention.
Fig. 13 is a schematic structural view of two angles of the sample storage tube in the rotary wheel type sample storage and diversion mechanism of the invention.
Fig. 14a is a schematic structural view of a runner type sample storage tube bin in the runner type sample storage diversion mechanism of the invention.
Fig. 14b isbase:Sub>A front view andbase:Sub>A cross-sectional view of the rotary sample storage tube bin in the rotary sample storage diversion mechanism of the invention.
Fig. 15 is a schematic structural view of a sample storage mechanism housing 1 in the rotary wheel type sample storage and diversion mechanism of the present invention.
Fig. 16 is a schematic structural view of two angles of the sample storage mechanism casing 2 in the rotary wheel type sample storage diversion mechanism of the invention.
In the figure: 1. a puncture biopsy needle, 1-1, an outer needle, 1-1-1, an outer needle tip, 1-1-2, a parallelogram sampling groove, 1-1-3, an external thread, 1-2, an internal rotary cutter, 1-2-1, a rotary cutter head, 2, an internal rotary cutter rotary cutting sampling mechanism, 2-1, a driving belt wheel 1,2-2, a driven belt wheel 1,2-3, a synchronous belt 1,2-4, a synchronous belt motor 1,2-5, an internal rotary cutter rotating seat, 2-5-1, a shaft sleeve hole, 2-5-2, a round tray, 2-6, a rotary bearing, 2-7, an internal rotary cutter shaft sleeve, 2-7-1, 2-8, an internal rotary cutter supporting seat and 3, an internal rotary cutter feeding mechanism, 3-1, a driving belt wheel 2,3-2, a driven belt wheel 2,3-3, a synchronous belt 2,3-4, a synchronous belt motor 2,3-5, a ball screw, 3-6, two driven belt wheel retainer rings, 3-7, two screw belt seat bearings, 3-8, a support shaft, 3-9, a screw slider, 3-9-1, an inner rotary cutter hole, 3-9-2, a support shaft hole, 3-10, two screw slider retainer rings, 4, a rotary wheel type sample storage and guide mechanism, 4-1, a sample storage tube, 4-1-1, a circular ring retainer shoulder, 4-1-2, a fixture block, 4-1-3, a rectangular notch, 4-2, a rotary wheel type sample storage tube bin, 4-2-1, a cylindrical cavity, 4-2-2, a motor shaft hole 1,4-2-3 sample storage tube cavities, 4-2-4 clamping grooves, 4-2-5 diversion trenches 1,4-2-6 diversion trenches 2,4-3 sample storage mechanism shells 1,4-3-1 through holes, 4-3-2 supporting cylinders 1,4-3-3 diversion trenches 3,4-4 sample storage mechanism shells 2,4-4-1 motor shaft holes 2,4-4-2 supporting cylinders 2,4-4-3 diversion trenches 4,4-4-4 motor fixing grooves, 4-4-5 negative pressure suction ports, 4-4-6 diversion ports, 4-5 rotating wheel motors, 4-6 direct current brushless vacuum pumps, 4-7 air suction hoses, 4-8 ball valves, 9 diversion tubes 1,4-10 diversion tubes 2,5 surrounding plates 1,6 surrounding plates 2,7 surrounding plates 3,8, mounting plates 1,9, 10 motor seats and 11 optical positioning markers.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that this description is made only by way of example and not as a limitation on the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1: as shown in fig. 1, 2a, 2b, 3, 4a, 4b, 5a, 5 b.
The invention provides a rotary-cut mammary gland biopsy device with a flow guide function, which comprises a puncture biopsy needle (1), an internal rotary cutter rotary-cut sampling mechanism (2), an internal rotary cutter feeding mechanism (3), a rotary wheel type sample storage and flow guide mechanism (4), a coaming 1 (5), a coaming 2 (6), a coaming 3 (7), a mounting plate 1 (8), a mounting plate 2 (9), a motor base (10) and an optical positioning marker (11). The outer needle (1-1) of the puncture biopsy needle is screwed and fixed on the coaming 1 (5) through the external thread (1-1-3) at the tail part of the needle, the cutter head (1-2-1) of the inner rotary cutter and the needle point (1-1-1) of the outer needle are installed in the same direction, and the inner rotary cutter (1-2) moves in the needle channel of the outer needle (1-1) to cut tissues. The motor base (10) is arranged at the right end of the inner side of the mounting plate 1 (8) and is in threaded connection with the mounting plate 1 (8) and the coaming 3 (7). The optical positioning marker (11) is coaxially arranged at the tail part of the outer needle (1-1).
As shown in fig. 6a, 6b, 7 and 8.
The driving belt wheel 1 (2-1) and the driven belt wheel 1 (2-2) of the internal rotary cutter rotary cutting sampling mechanism (2) are connected through a synchronous belt 1 (2-3), and the driving belt wheel 1 (2-1) is connected with a synchronous belt motor 1 (2-4). The inner rotary cutter rotating seat (2-5) is arranged at the left end of the mounting plate (1 (8), and the driven belt wheel (1 (2-2) and the rotating bearing (2-6) are respectively arranged on the upper surface and the lower surface of the circular tray (2-5-2) of the inner rotary cutter rotating seat (2-5) through threaded connection. The inner rotary cutter shaft sleeve (2-7) is in interference fit with the inner rotary cutter rotating seat (2-5) through a shaft sleeve hole (2-5-1), and the inner rotary cutter shaft sleeve (2-7) is in interference fit with the inner rotary cutter (1-2) through a hole (2-7-1). The inner rotary cutter supporting seat (2-8) is arranged at the left end of the mounting plate (2 (9), and the inner rotary cutter supporting seat (2-8) is coaxially connected with the inner rotary cutter (1-2).
As shown in fig. 9 and 10.
A driving belt wheel (3-1) and a driven belt wheel (3-2) of the internal rotary cutter feeding mechanism (3) are connected through a synchronous belt (3-3), and the driving belt wheel (3-1) is connected with a synchronous belt motor (3-4). The ball screw (3-5) is connected with the driven pulley (3-2) through a key. Two driven belt wheel retainer rings (3-6) are arranged on two sides of the driven belt wheel (3-2) and are coaxially matched with the ball screw (3-5) through threaded connection. The two lead screw base bearings (3-7) are in interference fit with two ends of the ball screw (3-5), the two lead screw base bearings (3-7) and the supporting shaft (3-8) are in interference fit with the mounting plate 1 (8) and the mounting plate 2 (9), and the two lead screw base bearings (3-7) are respectively arranged in the right-inclined positions in the middle of the mounting plate 1 (8) and the mounting plate 2 (9). The supporting shaft (3-8) is arranged at the leftmost ends of the mounting plate 1 (8) and the mounting plate 2 (9) and at the left sides of the inner rotary cutter rotating seat (2-5) and the inner rotary cutter supporting seat (2-8). The screw rod sliding block (3-9) is screwed with the ball screw (3-5), and the screw rod sliding block (3-9) is coaxially connected with the internal rotary cutter (1-2) and the supporting shaft (3-8) through the internal rotary cutter hole (3-9-1) and the supporting shaft hole (3-9-2) respectively. Two screw rod slide block retaining rings (3-10) and the inner rotary cutter (1-2) are connected with the upper side and the lower side of the screw rod slide block (3-9) through threads.
As shown in fig. 11, 12, 13, 14a, 14b, 15 and 16.
8 sample storage tubes (4-1) of the runner type sample storage diversion mechanism (4) are respectively arranged in a runner type sample storage tube bin (4-2), and circumferential fixation of the sample storage tubes (4-1) is realized through the matching of clamping blocks (4-1-2) and clamping grooves (4-2-4), so that rectangular notches (4-1-3) of the sample storage tubes (4-1) are radially overlapped with diversion grooves 1 (4-2-5) of the runner type sample storage tube bin (4-2). The sample storage mechanism shell 1 (4-3) is installed at the left end of the outer side of the installation plate 2 (9) in a threaded connection mode, the inner rotary cutter (1-2) enters and exits the rotary wheel type sample storage flow guide mechanism (4) through a through hole (4-3-1) of the sample storage mechanism shell 1 (4-3), the sample storage mechanism shell 1 (4-3) and the sample storage mechanism shell 2 (4-4) are respectively matched with a cylindrical cavity (4-2-1) of the rotary wheel type sample storage pipe bin (4-2) in a coaxial mode through the supporting cylinder 1 (4-3-2), the supporting cylinder 2 (4-4-2) and the rotary wheel type sample storage pipe bin (4-2), so that the flow guide grooves 3 (4-3-3) of the sample storage mechanism shell 1 (4-3) and the flow guide grooves 4 (4-4-3-3) of the sample storage mechanism shell 2 (4-4) are respectively and the two ends of the flow guide grooves 1 (4-2-4-3) of the rotary wheel type sample storage mechanism shell are respectively and are in a radial coincidence mode, and the sample storage mechanism shell (4-3) is connected with the rotary wheel type sample storage mechanism shell (4-3). The rotating wheel motor (4-5) is installed on the outer side of the bottom of the sample storage mechanism shell 2 (4-4) through threaded connection, and the rotating wheel motor (4-5) is connected with the rotating wheel type sample storage tube bin (4-2) and the sample storage mechanism shell 2 (4-4) in a matching mode through the motor shaft hole 1 (4-2-2) and the motor shaft hole 2 (4-4-1). The direct current brushless vacuum pump (4-6) is installed at the right end of the outer side of the installation plate 2 (9) through threaded connection. Two ends of the air suction hose (4-7) are respectively connected with a negative pressure suction port (4-4-5) of the sample storage mechanism shell 2 (4-4) and a direct current brushless vacuum pump (4-6). Two ends of the ball valve (4-8) are respectively connected with the draft tube 1 (4-9) and the draft tube 2 (4-10), and the other end of the draft tube 1 (4-9) is connected with the draft port (4-4-6) of the sample storage mechanism shell 2 (4-4).
Example 2: as shown with reference to fig. 3, 4a, 4b, 5a, 5 b.
The puncture biopsy needle (1) comprises an outer needle (1-1) and an inner rotary cutter (1-2). The outer needle (1-1) is in a circular tube shape, the geometric shape of the outer needle point (1-1-1) is an oval inclined surface needle point, a parallelogram sampling groove (1-1-2) is arranged at the front end of the outer needle (1-1) along the radial direction, an external thread (1-1-3) is arranged at the tail part of the outer needle (1-1), and the outer needle (1-1) is screwed and fixed on a surrounding plate 1 (5) through the thread. The inner rotary cutter (1-2) is in a circular tube shape, and six rotary cutter heads (1-2-1) which are distributed circumferentially are arranged on the front end face of the circular tube-shaped inner rotary cutter (1-2). The cutter head (1-2-1) of the inner rotary cutter and the needle point (1-1-1) of the outer needle are installed in the same direction, and the inner rotary cutter (1-2) moves in the needle channel of the outer needle (1-1) to cut tissues.
Example 3: as shown in fig. 6, 7 and 8.
The rotary cutting and sampling mechanism (2) of the internal rotary cutter comprises a driving belt wheel 1 (2-1), a driven belt wheel 1 (2-2), a synchronous belt 1 (2-3), a synchronous belt motor 1 (2-4), an internal rotary cutter rotating seat (2-5), a rotating bearing (2-6), an internal rotary cutter shaft sleeve (2-7) and an internal rotary cutter supporting seat (2-8). The driving pulley 1 (2-1), the driven pulley 1 (2-2), the synchronous belt 1 (2-3) and the synchronous belt motor 1 (2-4) form a synchronous belt transmission mechanism 1. The inner rotary cutter rotating seat (2-5) is installed at the left end of the installation plate (8), the main body of the inner rotary cutter rotating seat (2-5) is a cylinder, a shaft sleeve hole (2-5-1) is axially formed in the cylinder, a circular tray (2-5-2) is arranged at the middle rear portion of the cylinder, the diameter of the circular tray (2-5-2) is larger than that of the cylinder, and the driven pulley (2-2) and the rotary bearing (2-6) are connected through threads and are respectively installed on the upper surface and the lower surface of the circular tray (2-5-2) of the inner rotary cutter rotating seat (2-5). The inner rotary cutter shaft sleeve (2-7) is cylindrical and is provided with a through hole (2-7-1), the inner rotary cutter shaft sleeve (2-7) is in interference fit with the inner rotary cutter rotating seat (2-5) through the shaft sleeve hole (2-5-1), and the inner rotary cutter shaft sleeve (2-7) is in interference fit with the inner rotary cutter (1-2) through the hole (2-7-1), so that the inner rotary cutter shaft sleeve (2-7) drives the inner rotary cutter (1-2) to rotate when rotating. The inner rotary cutter supporting seat (2-8) is arranged at the left end of the mounting plate (2 (9), and the inner rotary cutter supporting seat (2-8) is coaxially connected with the inner rotary cutter (1-2).
The synchronous belt motor 1 (2-4) drives the inner rotary cutter rotating seat (2-5) and the inner rotary cutter shaft sleeve (2-7) to rotate through synchronous belt transmission, so that the inner rotary cutter (1-2) is driven to rotate, and the rotary cutting function of the inner rotary cutter (1-2) is realized.
Example 4: as shown in fig. 9 and 10.
The internal rotary cutter feeding mechanism (3) comprises a driving belt wheel 2 (3-1), a driven belt wheel 2 (3-2), a synchronous belt 2 (3-3), a synchronous belt motor 2 (3-4), a ball screw (3-5), two driven belt wheel retainer rings (3-6), two screw rod bearing seats (3-7), a supporting shaft (3-8), screw rod sliding blocks (3-9) and two screw rod sliding block retainer rings (3-10). The driving belt wheel 2 (3-1), the driven belt wheel 2 (3-2), the synchronous belt 2 (3-3) and the synchronous belt motor 2 (3-4) form a synchronous belt transmission mechanism 2. The ball screw (3-5) is connected with the driven pulley (3-2) through a key. Two driven belt wheel retainer rings (3-6) are arranged on two sides of the driven belt wheel (3-2) and are coaxially matched with the ball screw (3-5) through threaded connection. The two lead screw bearings with seats (3-7) are in interference fit with the two ends of the ball screw (3-5), and the two lead screw bearings with seats (3-7) are in interference fit with the mounting plate 1 (8) and the mounting plate 2 (9) and are respectively arranged in the right-inclined positions in the middle of the mounting plate 1 (8) and the mounting plate 2 (9). The supporting shaft (3-8) is an optical shaft, two ends of the supporting shaft (3-8) are in interference fit with the mounting plate 1 (8) and the mounting plate 2 (9) respectively and are arranged at the leftmost ends of the mounting plate 1 (8) and the mounting plate 2 (9) and on the left sides of the inner rotary cutter rotating seat (2-5) and the inner rotary cutter supporting seat (2-8). The screw rod sliding block (3-9) is screwed with the ball screw (3-5), the screw rod sliding block (3-9) is provided with an inner rotary cutter hole (3-9-1) and a supporting shaft hole (3-9-2), and the screw rod sliding block (3-9) is coaxially connected with the inner rotary cutter (1-2) and the supporting shaft (3-8) through the inner rotary cutter hole (3-9-1) and the supporting shaft hole (3-9-2) respectively. Two screw rod sliding block retaining rings (3-10) and the inner rotary cutter (1-2) are arranged at the upper side and the lower side of the screw rod sliding block (3-9) through threaded connection, so that the relative positions of the screw rod sliding block (3-9) and the inner rotary cutter (1-2) are locked, and the inner rotary cutter (1-2) is driven to move when the screw rod sliding block (3-9) moves.
The synchronous belt motor (3-4) drives the ball screw (3-5) to rotate through synchronous belt transmission, so that the linear feeding and retreating of the screw slide block (3-9) are realized, and the linear feeding and retreating of the inner rotary cutter (1-2) are realized; the pathological tissues are rotationally cut under the rotation and linear motion of the internal rotary cutter (1-2) and are contained in the pipeline of the cutter body of the internal rotary cutter (1-2).
Example 5: as shown in fig. 11, 12, 13, 14a, 14b, 15 and 16.
The rotary wheel type sample storage and flow guide mechanism (4) comprises a sample storage pipe (4-1), a rotary wheel type sample storage pipe bin (4-2), a sample storage mechanism shell 1 (4-3), a sample storage mechanism shell 2 (4-4), a rotary wheel motor (4-5), a direct current brushless vacuum pump (4-6), an air exhaust hose (4-7), a ball valve (4-8), a flow guide pipe 1 (4-9) and a flow guide pipe 2 (4-10). The total number of the sample storage tubes (4-1) is eight, the main body of each sample storage tube (4-1) is a hollow circular tube, a circular ring shoulder (4-1-1) is arranged at the rear end of each sample storage tube (4-1), a clamping block (4-1-2) and a rectangular notch (4-1-3) are axially arranged on the surface of each sample storage tube (4-1) from the front end face of each sample storage tube (4-1) to the circular ring shoulder, the height of each clamping block (4-1-2) does not exceed the circular ring shoulder (4-1-1), and the sample storage tubes can be independently drawn out after an operation is finished and are convenient to transfer and store. The center of a circle of the front end surface and the rear end surface of the rotary wheel type sample storage tube bin (4-2) is respectively provided with a cylindrical cavity (4-2-1) with the same volume, the center of the middle part of the rotary wheel type sample storage tube bin (4-2) is provided with a motor shaft hole 1 (4-2-2), the rotary wheel type sample storage tube bin (4-2) is provided with 8 sample storage tube cavities (4-2-3) distributed along the circumference, each sample storage tube cavity (4-2-3) is provided with a clamping groove (4-2-4), each sample storage tube cavity (4-2-3) is also provided with a diversion trench 1 (4-2-5) communicated to the cylindrical cavity (4-2-1), and 8 sample storage tubes (4-1) are respectively arranged in the rotary wheel type sample storage tube bin (4-2), the sample storage tube (4-1) is circumferentially fixed by the cooperation of the clamping block (4-1-2) and the clamping groove (4-2-4), the rectangular gap (4-1-3) of the sample storage tube (4-1) is radially overlapped with the diversion trench 1 (4-2-5) of the runner type sample storage tube bin (4-2), and the diversion trench 2 (4-2-6) which is communicated from the surface of the runner type sample storage tube bin (4-2) to the cylindrical cavity (4-2-1) is also arranged between every two adjacent sample storage tube cavities (4-2-3). The sample storage mechanism comprises a sample storage mechanism shell 1 (4-3) and a supporting cylinder 1 (4-3-2), wherein the sample storage mechanism shell 1 (4-3) is installed at the left end of the outer side of a mounting plate 2 (9) in a threaded connection mode, the front portion of the sample storage mechanism shell 1 (4-3) is a solid cuboid, the rear portion of the sample storage mechanism shell is a round cover structure, a through hole (4-3-1) is formed in the center of the sample storage mechanism shell, an inner rotary cutter (1-2) enters and exits from a rotary wheel type sample storage and diversion mechanism (4) through the through hole (4-3-1), a supporting cylinder 1 (4-3-2) is arranged at the circle center of the round cover structure of the sample storage mechanism shell 1 (4-3) and a rotary wheel type sample storage pipe bin (4-3-2) are coaxially matched with the supporting cylinder 1 (4-3-2) through a cylindrical cavity (4-2-1), and the two ends of the guide groove 3-3 are respectively radially overlapped with the guide groove 1 (4-2-5) and the guide groove 2-6). The sample storage mechanism shell 2 (4-4) is a cylindrical shell with an open end, a motor shaft hole 2 (4-4-1) is formed in the sample storage mechanism shell 2 (4-4) along the center line, a supporting cylinder 2 (4-4-2) is arranged at the center of the bottom surface of the interior of the sample storage mechanism shell 2 (4-4), an arc-shaped diversion groove 4 (4-4-3) with the same structure as the diversion groove 3 (4-3-3) is formed in the supporting cylinder 2 (4-4-2), the sample storage mechanism shell 2 (4-4) and a rotary wheel type sample storage tube bin (4-2) are coaxially matched with each other through a cylindrical cavity (4-2-1) and the supporting cylinder 2 (4-4-2), meanwhile, two ends of the diversion groove 4 (4-4-3) are respectively radially superposed with the diversion groove 1 (4-2-5) and the diversion groove 2 (4-2-6), a motor fixing groove (4-4-4-4) and a negative pressure suction port (4-4-5) are formed in the outer side face of the bottom of the sample storage mechanism shell 2 (4-4-4), and a rotary wheel type sample storage mechanism shell (4-4-4) is connected with the sample storage mechanism shell (4-4-4) in a rotary shaft. The rotating wheel motor (4-5) is installed on the outer side of the bottom of the sample storage mechanism shell 2 (4-4) through threaded connection, and the rotating wheel motor (4-5) is connected with the rotating wheel type sample storage tube bin (4-2) and the sample storage mechanism shell 2 (4-4) in a matching mode through the motor shaft hole 1 (4-2-2) and the motor shaft hole 2 (4-4-1). The direct current brushless vacuum pump (4-6) is installed at the right end of the outer side of the installation plate 2 (9) through threaded connection. The air exhaust hose (4-7), the flow guide pipe (4-9) and the flow guide pipe (2 (4-10) are plastic hoses, two ends of the air exhaust hose (4-7) are respectively connected with a negative pressure suction port (4-4-5) of the sample storage mechanism shell 2 (4-4) and a direct current brushless vacuum pump (4-6), two ends of the ball valve (4-8) are respectively connected with the flow guide pipe (4-9) and the flow guide pipe (2 (4-10), and the other end of the flow guide pipe (1 (4-9) is connected with a flow guide port (4-4-6) of the sample storage mechanism shell 2 (4-4).
Example 6: as shown with reference to fig. 2a and 2 b.
The coaming 3 (7) is a U-shaped plate. The motor base (10) is arranged at the right end of the inner side of the mounting plate 1 (8) and is connected with the mounting plate 1 (8) and the coaming 3 (7) through threads. The optical positioning marker (11) is a small ball coated with a reflective material and is coaxially arranged at the tail of the outer needle (1-1), the surface of the optical positioning marker (11) can strongly reflect infrared light, so that the position and the puncture direction of the needle point (1-1-1) of the outer needle can be detected and calculated by a visual positioning navigation system, and puncture positioning navigation in the operation is realized.
The working principle of the invention is as follows: when the operation is started, the optical positioning marker (11) and the visual positioning navigation system are utilized to guide the outer needle point (1-1-1) of the rotary mammary gland biopsy device to the puncture position. When the outer needle (1-1) is inserted into tissue, the inner rotary cutter (1-2) linearly feeds for rotary cutting, the ball valve (4-8) is opened, the direct current brushless vacuum pump (4-6) is closed, blood and tissue fluid generated in the inserting and rotary cutting processes flow into the sample storage tube (4-1) of the rotary wheel type sample storage and guide mechanism (4) through the inner rotary cutter (1-2) pipeline, then flow into the guide groove (1 (4-2-5) through the rectangular notch (4-1-3) of the sample storage tube (4-1), then flow into the guide groove (3 (4-3-3) and the guide groove (4-4-3), finally flow into the guide groove (2 (4-2-6), and are discharged through the guide opening (4-4-6), the guide pipe (1 (4-9), the ball valve (4-8) and the guide pipe (4-10). After the internal rotary cutter (1-2) performs rotary cutting sampling, the ball valve (4-8) is closed, the direct current brushless vacuum pump (4-6) works, biopsy tissues are sucked into the sample storage tube (4-1) through negative pressure suction, the rotating wheel motor (4-5) works after sampling and storing are completed once, the rotating wheel type sample storage tube bin (4-2) is driven to rotate and switch to the next sample storage tube (4-1), then the internal rotary cutter (1-2) linearly retreats to a preparation position, the ball valve (4-8) is opened, the direct current brushless vacuum pump (4-6) is closed, and the next rotary cutting sampling and storing are performed. After the operation is finished, the sample storage tube (4-1) of the rotary wheel type sample storage tube bin (4-2) is taken out for transferring and storing.
Claims (5)
1. A rotary-cut mammary gland biopsy device with a flow guide function comprises a puncture biopsy needle (1), an internal rotary cutter rotary-cut sampling mechanism (2), an internal rotary cutter feeding mechanism (3), a rotary wheel type sample storage and flow guide mechanism (4), a coaming 1 (5), a coaming 2 (6), a coaming 3 (7), a mounting plate 1 (8), a mounting plate 2 (9), a motor base (10) and an optical positioning marker (11), and is characterized in that the puncture biopsy needle (1) comprises an outer needle (1-1) and an internal rotary cutter (1-2); the outer needle (1-1) is in a circular tube shape, the geometric shape of the needle point (1-1-1) of the outer needle is an elliptic inclined surface needle point, a parallelogram sampling groove (1-1-2) is arranged at the front end of the outer needle (1-1) along the radial direction, an external thread (1-1-3) is arranged at the tail part of the outer needle (1-1), and the outer needle (1-1) is screwed and fixed on a coaming 1 (5) through threads; the inner rotary cutter (1-2) is in a circular tube shape, and six rotary cutter heads (1-2-1) which are distributed circumferentially are arranged on the front end face of the circular tube-shaped cutter body of the inner rotary cutter (1-2); the cutter head (1-2-1) of the inner rotary cutter and the needle point (1-1-1) of the outer needle are installed in the same direction, and the inner rotary cutter (1-2) moves in the needle channel of the outer needle (1-1) to cut tissues.
2. The rotary-cut mammary gland biopsy device with the flow guide function according to claim 1, wherein the rotary-cut internal cutter sampling mechanism (2) comprises a driving pulley 1 (2-1), a driven pulley 1 (2-2), a synchronous belt 1 (2-3), a synchronous belt motor 1 (2-4), an internal rotary cutter rotary seat (2-5), a rotary bearing (2-6), an internal rotary cutter shaft sleeve (2-7) and an internal rotary cutter supporting seat (2-8); the driving belt wheel 1 (2-1) and the driven belt wheel 1 (2-2) are connected through a synchronous belt 1 (2-3), and the driving belt wheel 1 (2-1) is connected with a synchronous belt motor 1 (2-4); the inner rotary cutter rotating seat (2-5) is installed at the left end of the installation plate (1 (8), the main body of the inner rotary cutter rotating seat (2-5) is a cylinder, a shaft sleeve hole (2-5-1) is axially formed in the cylinder, a circular tray (2-5-2) is arranged at the middle rear portion of the cylinder, the diameter of the circular tray (2-5-2) is larger than that of the cylinder, and the driven belt wheel (2-2) and the rotary bearing (2-6) are connected through threads and respectively installed on the upper surface and the lower surface of the circular tray (2-5-2) of the inner rotary cutter rotating seat (2-5); the inner rotary cutter shaft sleeve (2-7) is cylindrical and is provided with a through hole (2-7-1), the inner rotary cutter shaft sleeve (2-7) is in interference fit with the inner rotary cutter rotating seat (2-5) through the shaft sleeve hole (2-5-1), the inner rotary cutter shaft sleeve (2-7) is in interference fit with the inner rotary cutter (1-2) through the hole (2-7-1), and the inner rotary cutter shaft sleeve (2-7) drives the inner rotary cutter (1-2) to rotate when rotating; the inner rotary cutter supporting seat (2-8) is arranged at the left end of the mounting plate (2 (9), and the inner rotary cutter supporting seat (2-8) is coaxially connected with the inner rotary cutter (1-2); the synchronous belt motor 1 (2-4) drives the inner rotary cutter rotating seat (2-5) and the inner rotary cutter shaft sleeve (2-7) to rotate through synchronous belt transmission, so that the inner rotary cutter (1-2) is driven to rotate, and the rotary cutting function of the inner rotary cutter (1-2) is realized.
3. The rotary mammary gland biopsy device with the flow guide function according to claim 1, wherein the internal rotary cutter feeding mechanism (3) comprises a driving pulley 2 (3-1), a driven pulley 2 (3-2), a synchronous belt 2 (3-3), a synchronous belt motor 2 (3-4), a ball screw (3-5), two driven pulley retainer rings (3-6), two screw belt seat bearings (3-7), a supporting shaft (3-8), a screw slider (3-9) and two screw slider retainer rings (3-10); the driving belt wheel (3-1) and the driven belt wheel (3-2) are connected through a synchronous belt (3-3), and the driving belt wheel (3-1) is connected with a synchronous belt motor (3-4); the ball screw (3-5) is connected with the driven pulley (3-2) through a key; two driven belt wheel retainer rings (3-6) are arranged on two sides of the driven belt wheel (3-2) and are coaxially matched with the ball screw (3-5) through threaded connection; the two lead screw bearings with seats (3-7) are in interference fit with the two ends of the ball screw (3-5), and the two lead screw bearings with seats (3-7) are in interference fit with the mounting plate 1 (8) and the mounting plate 2 (9) and are respectively arranged in the right-inclined positions in the middles of the mounting plate 1 (8) and the mounting plate 2 (9); the supporting shaft (3-8) is an optical shaft, two ends of the supporting shaft (3-8) are in interference fit with the mounting plate 1 (8) and the mounting plate 2 (9) respectively, and are arranged at the leftmost ends of the mounting plate 1 (8) and the mounting plate 2 (9) and on the left sides of the inner rotary cutter rotating seat (2-5) and the inner rotary cutter supporting seat (2-8); the lead screw sliding block (3-9) is screwed with the ball screw (3-5), the lead screw sliding block (3-9) is provided with an inner rotary cutter hole (3-9-1) and a supporting shaft hole (3-9-2), and the lead screw sliding block (3-9) is coaxially connected with the inner rotary cutter (1-2) and the supporting shaft (3-8) through the inner rotary cutter hole (3-9-1) and the supporting shaft hole (3-9-2) respectively; two lead screw sliding block retaining rings (3-10) and the inner rotary cutter (1-2) are arranged at the upper side and the lower side of the lead screw sliding block (3-9) through threaded connection, so that the relative positions of the lead screw sliding block (3-9) and the inner rotary cutter (1-2) are locked, and the inner rotary cutter (1-2) is driven to move when the lead screw sliding block (3-9) moves; the synchronous belt motor (3-4) drives the ball screw (3-5) to rotate through synchronous belt transmission, so that the linear feeding and retreating of the screw slide block (3-9) are realized, and the linear feeding and retreating of the inner rotary cutter (1-2) are realized; the pathological tissues are rotationally cut off under the rotation and linear motion of the internal rotary cutter (1-2) and are brought into the pipeline of the cutter body of the internal rotary cutter (1-2).
4. The rotary breast biopsy device with the flow guide function according to claim 1, wherein the rotary wheel type sample storage and flow guide mechanism (4) comprises a sample storage tube (4-1), a rotary wheel type sample storage tube bin (4-2), a sample storage mechanism shell (4-3), a sample storage mechanism shell (2 (4-4), a rotary wheel motor (4-5), a direct current brushless vacuum pump (4-6), an air suction hose (4-7), a ball valve (4-8), a flow guide tube 1 (4-9) and a flow guide tube 2 (4-10); the total number of the sample storage tubes (4-1) is eight, the main body of each sample storage tube (4-1) is a hollow circular tube, a circular ring retaining shoulder (4-1-1) is arranged at the rear end of each sample storage tube (4-1), a clamping block (4-1-2) and a rectangular notch (4-1-3) are axially arranged on the surface of each sample storage tube (4-1) from the front end face of each sample storage tube (4-1) to the circular ring retaining shoulder, and the height of each clamping block (4-1-2) does not exceed the circular ring retaining shoulder (4-1-1); the center of a circle of the front end face and the rear end face of the runner type sample storage pipe bin (4-2) is respectively provided with a cylindrical cavity (4-2-1) with the same volume, the center of the middle part of the runner type sample storage pipe bin (4-2) is provided with a motor shaft hole 1 (4-2-2), the runner type sample storage pipe bin (4-2) is provided with 8 sample storage pipe cavities (4-2-3) distributed along the circumference, each sample storage pipe cavity (4-2-3) is provided with a clamping groove (4-2-4), each sample storage pipe cavity (4-2-3) is also provided with a diversion trench 1 (4-2-5) communicated to the cylindrical cavity (4-2-1), and 8 sample storage pipes (4-1) are respectively arranged in the runner type sample storage pipe bin (4-2), the sample storage tube (4-1) is circumferentially fixed by the cooperation of the clamping block (4-1-2) and the clamping groove (4-2-4), the rectangular gap (4-1-3) of the sample storage pipe (4-1) is radially superposed with the diversion trench 1 (4-2-5) of the runner type sample storage pipe bin (4-2), and the diversion trench 2 (4-2-6) which is communicated from the surface of the runner type sample storage pipe bin (4-2) to the cylindrical cavity (4-2-1) is also arranged between every two adjacent sample storage pipe cavities (4-2-3); the sample storage mechanism shell 1 (4-3) is installed at the left end of the outer side of the installation plate 2 (9) through threaded connection, the front portion of the sample storage mechanism shell 1 (4-3) is a solid cuboid, the rear portion of the sample storage mechanism shell is a round cover structure, a through hole (4-3-1) is formed in the center of the sample storage mechanism shell, an inner rotary cutter (1-2) enters and exits the rotary wheel type sample storage and diversion mechanism (4) through the through hole (4-3-1), a supporting cylinder 1 (4-3-2) is arranged at the circle center of the round cover structure of the sample storage mechanism shell 1 (4-3), an arc diversion trench 3 (4-3-3) is formed in the supporting cylinder 1 (4-3-2), the sample storage mechanism shell 1 (4-3) and the rotary wheel type sample storage pipe bin (4-2) are coaxially matched with the supporting cylinder 1 (4-3-2) through a cylindrical cavity (4-2-1), and meanwhile, two ends of the diversion trench 3 (4-3-3) are respectively radially overlapped with the diversion trench 1 (4-2-5) and the diversion trench 2-6; the sample storage mechanism shell 2 (4-4) is a cylindrical shell with an opening at one end, the sample storage mechanism shell 2 (4-4) is provided with a motor shaft hole 2 (4-4-1) along the central line, a supporting cylinder 2 (4-4-2) is arranged at the center of the circle of the inner bottom surface of the sample storage mechanism shell 2 (4-4-4), an arc-shaped diversion trench 4 (4-4-3) with the same structure as the diversion trench 3 (4-3-3) is arranged in the supporting cylinder 2 (4-4-2), the sample storage mechanism shell 2 (4-4) and a rotary wheel type sample storage tube bin (4-2) are coaxially matched with the supporting cylinder 2 (4-4-2) through a cylindrical cavity (4-2-1), meanwhile, two ends of the diversion trench 4 (4-4-3) are respectively superposed with the diversion trench 1 (4-2-5) and the diversion trench 2 (4-2-6) in the radial direction, a motor fixing groove (4-4-4) and a negative pressure suction port (4-5) are arranged on the outer side of the sample storage mechanism shell 2 (4-4-4-4), and a rotary sample storage mechanism shell (4-4-4-4) is connected with the sample storage mechanism shell (4-4-4-4) and a rotary sample storage mechanism; the rotary wheel motor (4-5) is arranged on the outer side of the bottom of the sample storage mechanism shell body 2 (4-4) in a threaded connection mode, and the rotary wheel motor (4-5) is in matched connection with the rotary wheel type sample storage tube bin (4-2) and the sample storage mechanism shell body 2 (4-4) through the motor shaft hole 1 (4-2-2) and the motor shaft hole 2 (4-4-1); the direct current brushless vacuum pump (4-6) is installed at the right end of the outer side of the installation plate 2 (9) through threaded connection; two ends of the air suction hose (4-7) are respectively connected with a negative pressure suction port (4-4-5) of the sample storage mechanism shell 2 (4-4) and a direct current brushless vacuum pump (4-6); the flow guide pipe 1 (4-9) and the flow guide pipe 2 (4-10) are plastic hoses, two ends of the ball valve (4-8) are respectively connected with the flow guide pipe 1 (4-9) and the flow guide pipe 2 (4-10), and the other end of the flow guide pipe 1 (4-9) is connected with a flow guide opening (4-4-6) of the sample storage mechanism shell 2 (4-4); when the outer needle (1-1) is inserted into tissues and the inner rotary cutter (1-2) linearly feeds for rotary cutting, the ball valve (4-8) is opened, the direct-current brushless vacuum pump (4-6) is closed, blood and tissue fluid generated in the inserting and rotary cutting processes flow into the sample storage tube (4-1) of the rotary wheel type sample storage and guide mechanism (4) through the inner rotary cutter (1-2) pipeline, then flow into the guide groove (1 (4-2-5) through the rectangular notch (4-1-3) of the sample storage tube (4-1), then flow into the guide groove (3 (4-3) and the guide groove (4-4-3), finally flow into the guide groove (2 (4-2-6), and are discharged through the guide opening (4-4-6), the guide tube (1 (4-9), the ball valve (4-8) and the guide tube (2 (4-10); after the internal rotary cutter (1-2) performs rotary cutting sampling, the ball valve (4-8) is closed, the direct current brushless vacuum pump (4-6) works, biopsy tissues are sucked into the sample storage tube (4-1) through negative pressure suction, the rotating wheel motor (4-5) works after sampling and storing are completed once, the rotating wheel type sample storage tube bin (4-2) is driven to rotate and switch to the next sample storage tube (4-1), then the internal rotary cutter (1-2) linearly retreats to a preparation position, the ball valve (4-8) is opened, the direct current brushless vacuum pump (4-6) is closed, and the next rotary cutting sampling and storing are performed.
5. The rotational atherectomy biopsy device with flow guiding function as claimed in claim 1, wherein the surrounding plate 3 (7) is a U-shaped plate; the motor base (10) is arranged at the right end of the inner side of the mounting plate 1 (8) and is connected with the mounting plate 1 (8) and the coaming 3 (7) through threads; the optical positioning marker (11) is coaxially arranged at the tail part of the outer needle (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211209592.9A CN115462842A (en) | 2022-09-30 | 2022-09-30 | Rotary-cut mammary gland biopsy device with water conservancy diversion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211209592.9A CN115462842A (en) | 2022-09-30 | 2022-09-30 | Rotary-cut mammary gland biopsy device with water conservancy diversion function |
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| Publication Number | Publication Date |
|---|---|
| CN115462842A true CN115462842A (en) | 2022-12-13 |
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|---|---|---|---|
| CN202211209592.9A Pending CN115462842A (en) | 2022-09-30 | 2022-09-30 | Rotary-cut mammary gland biopsy device with water conservancy diversion function |
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| CN (1) | CN115462842A (en) |
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| CN112244900A (en) * | 2020-11-02 | 2021-01-22 | 哈尔滨理工大学 | Mammary gland aspiration biopsy device with sucking disc adsorbs function |
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| CN113827281A (en) * | 2021-10-05 | 2021-12-24 | 哈尔滨理工大学 | Left-wheel type puncture biopsy device |
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| CN217447857U (en) * | 2022-04-29 | 2022-09-20 | 哈尔滨理工大学 | Sawtooth type sleeve biopsy needle |
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