CN116784893B - Rotary tissue sample cutter for biopsy - Google Patents
Rotary tissue sample cutter for biopsy Download PDFInfo
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- CN116784893B CN116784893B CN202310608595.8A CN202310608595A CN116784893B CN 116784893 B CN116784893 B CN 116784893B CN 202310608595 A CN202310608595 A CN 202310608595A CN 116784893 B CN116784893 B CN 116784893B
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- 238000001574 biopsy Methods 0.000 title claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 130
- 206010028980 Neoplasm Diseases 0.000 claims abstract description 27
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000002265 prevention Effects 0.000 description 6
- 230000001575 pathological effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010562 histological examination Methods 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002380 cytological effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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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
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a rotary tissue sample cutter for biopsy, which relates to the technical field of tissue sample cutting, and comprises a cutting mechanism, a cutting mechanism and a cutting mechanism, wherein the cutting mechanism is a cutting part of the cutter and is used for cutting and sampling tumors with harder textures; the cutting mechanism comprises a cylinder body and a rotary cutting assembly, wherein the impact assembly is fixedly connected to the upper position of the inner side surface of the cylinder body, and the piston is connected to the inner side surface of the cylinder body in a sliding manner. This a rotatory tissue sample cutterbar for biopsy, the upper position of cylinder body lets in hydraulic pressure, and hydraulic pressure makes the piston drive cutting tube downwardly moving, and the rotary-cut subassembly is driven by anti-curling mechanism and rotates downwards spiral this moment, and when the rotary-cut subassembly screw in was close to the tumour position, the cutting tube stopped moving, and rotary-cut subassembly screw rotation carries out rotatory cutting to the stereoplasm tumour, has solved the problem to the harder tumour of texture, and the cutterbar is difficult to the disconnected tissue in forward motion cutting process.
Description
Technical Field
The invention relates to the technical field of tissue sample cutting, in particular to a rotary tissue sample cutter for biopsy.
Background
The method for local tissue biopsy comprises the steps of puncturing, cutting, clamping or cutting off pathological tissue to form pathological HE sections for histological examination, and performing pathological diagnosis, wherein the puncture biopsy is a method for performing pathological detection after a part of tissue components are acquired through a puncture needle penetrating into a suspected tumor part, the puncturing is divided into a fine needle puncturing and a hollow needle puncturing, the fine needle puncturing is suitable for tissue of a superficial part, the tissue is manufactured into a smear for cytological examination after being taken out, the hollow needle puncturing is required to be performed under the guidance of B-ultrasonic or CT, the histological examination is performed after the suspected tissue is taken out, the puncture biopsy plays a very critical role in defining tumor or inflammation and the selection and formulation of a subsequent treatment scheme, an automatic biopsy needle sampling mechanism consists of a needle sheath and a solid needle core which move in the same direction, the front end of the solid needle core is in a groove structure, after the triggering device triggers, the solid needle core firstly penetrates into a tissue target part, the tissue around the needle core is deformed and is sunk into a groove at the front end of the needle core, then the needle sheath and the tissue of the groove is cut forward, the tissue of the cut groove is stored in the groove after the cut tissue is retracted, and the pathological tissue is collected.
The existing rotary tissue sample cutter for biopsy has the problems that the cutter is difficult to separate the tissues in the forward movement cutting process for tumors with harder textures due to structural design defects, and sampling failure can be caused by the rolling edge of the cutter when the tissues are cut.
Disclosure of Invention
The present invention provides a rotary tissue sample cutter for biopsies solving the problems mentioned in the background art above.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a rotary tissue sample cutter for biopsy comprising
The electric cylinder is fixedly connected to the top of the base, the bending plate is fixedly connected to the output end of the electric cylinder, and the motor is fixedly connected to the upper position of the surface of the bending plate;
the cutting mechanism is a cutting component of the cutter and is used for cutting and sampling the tumor with harder texture; the cutting mechanism comprises a cylinder body and a rotary cutting assembly, wherein the upper position of the inner side surface of the cylinder body is fixedly connected with an impact assembly, the inner side surface of the cylinder body is connected with a piston in a sliding manner, hydraulic pressure is introduced into the cylinder body, the hydraulic pressure drives the rotary cutting assembly to impact into the skin of a patient, and then the rotary cutting assembly rotates to cut into the tissue to separate a tumor with a harder texture from surrounding tissues;
the anti-sharpening mechanism is used for supporting the cutting mechanism, the anti-sharpening mechanism guides the movement of the rotary-cut assembly, the bottom end of the rotary-cut assembly extends to the lower position of the anti-sharpening mechanism, the surface of the anti-sharpening mechanism is fixedly connected with a rotating shaft at the output end of the motor, the motor is used for adjusting the rotation angle of the anti-sharpening mechanism, and the electric cylinder is used for adjusting the height of the anti-sharpening mechanism.
Preferably, the bottom fixedly connected with cutting tube of piston, the fixed surface of cylinder body is connected with the brace table, the bottom of brace table and the top fixed connection of preventing the sword mechanism, the base is close to and fixed with the sick bed with patient needs cutting position, and electric cylinder adjusts the height of preventing the sword mechanism, and the motor is used for adjusting the rotation angle of preventing the sword mechanism to the adjustment rotary-cut subassembly gets into the position in the human body.
Preferably, the impact assembly comprises an elastic wall, the surface of the elastic wall is fixedly connected with the upper position of the inner side surface of the cylinder body, the elastic wall is made of rubber, and a gap is reserved between the elastic wall and the cylinder body.
Preferably, the upper position of the inner side surface of the cylinder body is fixedly connected with a pressure valve, the inner side surface of the cylinder body is fixedly connected with limiting rings, the number of the limiting rings is two, hydraulic pressure is introduced into the upper position of the inner side surface of the cylinder body, the hydraulic pressure does not reach the pressure value of the pressure valve, the elastic wall is extruded by the hydraulic pressure until the pressure reaches the threshold value of the pressure valve, and the pressure valve is opened to enable the piston to be pushed to move downwards by the hydraulic pressure.
Preferably, the rotary cutting assembly comprises a fixed hook, the top of the fixed hook is fixedly connected with the upper position of the inner side surface of the cutting tube, and the bottom end of the fixed hook is fixedly connected with a conical hook body.
Preferably, the rotary cutting assembly further comprises a threaded pipe, the bottom end of the threaded pipe is fixedly connected with a rotary cutting blade, and a slot is formed in the surface of the cutting pipe.
Preferably, the edge rolling prevention mechanism comprises a connecting plate, the middle part position on the surface of the connecting plate is fixedly connected with a rotating shaft of an output end of a motor, one side, away from the motor, of the connecting plate is rotationally connected with a fixed table, a pull rod is fixedly connected with the position between the fixed table and the connecting plate, the inclined angle of the fixed table can be adjusted by the pull rod, meanwhile, the motor can drive the fixed table to rotate, the device can avoid fixing and then cutting by being close to the tumor position of a patient, and the problem that when the tumor is too hard, a rotary-cut assembly is difficult to push by manpower and other tissues in the patient are easily damaged is avoided.
Preferably, the middle part position on fixed station surface fixedly connected with barrel, the top position of barrel medial surface fixedly connected with firm subassembly, the bottom fixedly connected with rotation subassembly of barrel medial surface.
Preferably, the stabilizing component comprises a connecting ring, the surface of the connecting ring is fixedly connected with the shell, and the surface of the connecting ring is fixedly connected with the upper position of the inner side surface of the cylinder.
Preferably, the medial surface of casing rotates and is connected with the axis of rotation, the middle part position fixedly connected with gyro wheel on axis of rotation surface, the quantity of gyro wheel has a plurality of, and the surface of gyro wheel and the surface direct contact of cutting the pipe, the inside of cylinder body lets in hydraulic pressure for the piston promotes the cutting pipe and moves downwards, and the cutting pipe is impacted into in the human body fast, and the external drive equipment of worm makes its rotation.
Preferably, the rotating assembly comprises a worm, the surface of the worm is rotationally connected with the bottom of the inner side surface of the cylinder, and the bottom of the cylinder is rotationally connected with a worm wheel.
Preferably, a supporting bar is fixedly connected to the lower position of the inner side surface of the cylinder body, an internal thread cylinder is rotationally connected to one side, far away from the cylinder body, of the surface of the supporting bar, the surface of the supporting bar and the surface of the cutting pipe slide near the grooved position, the threaded pipe is arranged in the middle of the inner side surface of the cutting pipe, and the internal thread cylinder is arranged between the cutting pipe and the threaded pipe.
The present invention provides a rotary tissue sample cutter for biopsy. The beneficial effects are as follows:
1. this a rotatory tissue sample cutterbar for biopsy, the upper position of cylinder body lets in hydraulic pressure, and hydraulic pressure makes the piston drive cutting tube downwardly moving, and the rotary-cut subassembly is driven by anti-curling mechanism and rotates downwards spiral this moment, and when the rotary-cut subassembly screw in was close to the tumour position, the cutting tube stopped moving, and rotary-cut subassembly screw rotation carries out rotatory cutting to the stereoplasm tumour, has solved the problem to the harder tumour of texture, and the cutterbar is difficult to the disconnected tissue in forward motion cutting process.
2. This a rotatory tissue sample cutterbar for biopsy, elastic wall release elasticity make liquid strike the piston fast and promote the cutting tube, and the cutting tube is strikeed and is pushed into the patient in vivo, and the rotary cutting sword of screwed pipe and the surface coincidence of awl coupler body, and the screwed pipe is driven rotatory downwardly moving by rotating the subassembly, and the rotation of impact force and tip position makes the cutting member get into the patient more easily, and the damage that the other tissues of patient's health received is less.
3. This a rotatory tissue sample cutterbar for biopsy, the medial surface of firm subassembly is connected with the surface roll of cutting the pipe, and when the cutting pipe was washed into the human body by the impact assembly, the rotating assembly drove the rotary-cut subassembly and rotated downwards, and the firm subassembly is guided to the removal of cutting the pipe, prevents that the cutting pipe overlength from cutting unstably and appear the problem of rolling up the sword, has solved when cutting the tissue, and the cutter rolling up the sword can cause the problem of sample failure.
4. This a rotatory tissue sample cutterbar for biopsy drives the worm wheel when the worm rotates and rotates at the medial surface of barrel, and worm wheel and internal thread section of thick bamboo all have magnetism for the internal thread section of thick bamboo is driven rotatoryly, makes the inside of rotary-cut subassembly screw in human body, and the surface of cutting tube receives the gyro wheel restriction of three direction, and the cutting tube is difficult to unstability sword when down or upwards moving, and the rotary-cut subassembly is driven by the internal thread section of thick bamboo and removes, makes more stable when this cutterbar cuts.
5. This a rotatory tissue sample cutterbar for biopsy, when the worm wheel rotated, the internal thread section of thick bamboo was received magnetic force and is attracted the rotation for the internal thread section of thick bamboo rotates, and the medial surface of screwed pipe passes through the screw thread and is connected with the medial surface of internal thread section of thick bamboo, makes the screwed pipe screw in patient down, and when the bottom of cutting pipe was close to human tumour, the screwed pipe continued to drive down rotatory removal by the internal thread section of thick bamboo, continued the cutting with stereoplasm tumour, and the cutting pipe extends to the internal thread section of thick bamboo and carries out the sample with the sample and collect the completion sampling afterwards.
Drawings
FIG. 1 is a schematic view of the overall top view of a rotary tissue sample cutter for biopsy of the present invention;
FIG. 2 is a schematic view of the rotary tissue sample cutter for biopsy of the present invention in a bottom view in its entirety;
FIG. 3 is a schematic view of the cutting mechanism of the present invention;
FIG. 4 is a schematic view of a stability assembly according to the present invention;
FIG. 5 is a schematic view of a rotating assembly according to the present invention;
FIG. 6 is a schematic view of the structure of the anti-sharpening mechanism of the present invention;
FIG. 7 is a schematic view of the impact assembly of the present invention;
fig. 8 is a schematic structural view of a rotational atherectomy assembly of the present invention.
In the figure: 1. a base; 2. an electric cylinder; 3. a bending plate; 4. a motor; 5. an edge rolling prevention mechanism; 51. a connecting plate; 52. a fixed table; 53. a pull rod; 54. a cylinder; 55. a stabilizing assembly; 551. a connecting ring; 552. a housing; 553. a rotating shaft; 554. a roller; 56. a rotating assembly; 561. a worm; 562. a worm wheel; 563. a support bar; 564. an internal thread cylinder; 6. a cutting mechanism; 61. a support table; 62. a cylinder; 63. an impact assembly; 631. an elastic wall; 632. a pressure valve; 633. a limiting ring; 64. a piston; 65. cutting the tube; 66. a rotary cutting assembly; 661. a fixed hook; 662. slotting; 663. a threaded tube; 664. a rotary cutting blade; 665. a conical hook body.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, 2 and 6, the present invention provides a technical solution: a rotary tissue sample cutter for biopsy comprising
The electric cylinder 2 is fixedly connected to the top of the base 1, the bending plate 3 is fixedly connected to the output end of the electric cylinder 2, and the motor 4 is fixedly connected to the upper position of the surface of the bending plate 3;
the cutting mechanism 6 is a cutting component of the cutter and is used for cutting and sampling the tumor with harder texture; the cutting mechanism 6 comprises a cylinder body 62 and a rotary cutting assembly 66, wherein an impact assembly 63 is fixedly connected to the upper position of the inner side surface of the cylinder body 62, a piston 64 is slidably connected to the inner side surface of the cylinder body 62, hydraulic pressure is introduced into the cylinder body 62, the rotary cutting assembly 66 is driven by the hydraulic pressure to impact into the skin of a patient, and then the rotary cutting assembly 66 rotates to cut into the tissue to separate a tumor with a harder texture from surrounding tissues;
the anti-sharpening mechanism 5 is used for supporting the cutting mechanism 6, the anti-sharpening mechanism 5 guides the movement of the rotary cutting assembly 66, the bottom end of the rotary cutting assembly 66 extends to the lower position of the anti-sharpening mechanism 5, the surface of the anti-sharpening mechanism 5 is fixedly connected with a rotating shaft at the output end of the motor 4, the motor 4 is used for adjusting the rotation angle of the anti-sharpening mechanism 5, and the electric cylinder 2 is used for adjusting the height of the anti-sharpening mechanism 5;
the bottom of the piston 64 is fixedly connected with a cutting pipe 65, the surface of the cylinder body 62 is fixedly connected with a supporting table 61, and the bottom of the supporting table 61 is fixedly connected with the top of the edge rolling prevention mechanism 5.
When the cutter is used, the base 1 is close to a part to be cut of a patient and fixed with a sickbed, the electric cylinder 2 is used for adjusting the height of the edge rolling prevention mechanism 5, the motor 4 is used for adjusting the rotation angle of the edge rolling prevention mechanism 5, so that the rotary cutting assembly 66 is adjusted to enter the position in a human body, hydraulic pressure is introduced into the upper position of the cylinder body 62, the piston 64 drives the cutting tube 65 to move downwards by the hydraulic pressure, at the moment, the rotary cutting assembly 66 is driven to rotate downwards in a spiral mode by the edge rolling prevention mechanism 5, when the rotary cutting assembly 66 is screwed into a position close to a tumor, the cutting tube 65 stops moving, the rotary cutting assembly 66 rotates to rotationally cut the hard tumor, and the problem that the cutter is difficult to separate from the tissue in the forward movement cutting process is solved.
As shown in fig. 7 and 8, the impact assembly 63 includes an elastic wall 631, the surface of the elastic wall 631 is fixedly connected with the upper position of the inner side of the cylinder 62, the elastic wall 631 is made of rubber, a gap exists between the elastic wall 631 and the cylinder 62, the upper position of the inner side of the cylinder 62 is fixedly connected with a pressure valve 632, the inner side of the cylinder 62 is fixedly connected with a limiting ring 633, the number of the limiting rings 633 is two, the rotary-cut assembly 66 includes a fixing hook 661, the top of the fixing hook 661 is fixedly connected with the upper position of the inner side of the cutting pipe 65, the bottom of the fixing hook 661 is fixedly connected with a taper hook body 665, the rotary-cut assembly 66 further includes a threaded pipe 663, the bottom of the threaded pipe 663 is fixedly connected with a rotary-cut blade 664, and a slot 662 is formed in the surface of the cutting pipe 65.
In use, hydraulic pressure is introduced into the upper position of the inner side surface of the cylinder 62, the hydraulic pressure does not reach the pressure value of the pressure valve 632, the elastic wall 631 is hydraulically extruded until the pressure reaches the threshold value of the pressure valve 632, the pressure valve 632 is opened to enable the hydraulic pushing piston 64 to move downwards, the elastic wall 631 releases elastic force to enable the hydraulic to rapidly impact the piston 64 to push the cutting tube 65, the cutting tube 65 is impacted and pushed into a patient, the rotary cutting edge 664 of the threaded tube 663 coincides with the surface of the conical hook 665, the threaded tube 663 is driven by the rotating assembly 56 to rotate and move downwards, the impact force and the rotation of the end position enable the cutting part to enter the patient more easily, and the damage to the rest tissues of the patient is smaller.
As shown in fig. 3 and 6, the anti-rolling mechanism 5 comprises a connecting plate 51, the middle position of the surface of the connecting plate 51 is fixedly connected with a rotating shaft at the output end of the motor 4, one side of the connecting plate 51 away from the motor 4 is rotationally connected with a fixed table 52, a pull rod 53 is fixedly connected between the fixed table 52 and the connecting plate 51, the middle position of the surface of the fixed table 52 is fixedly connected with a cylinder 54, the upper position of the inner side surface of the cylinder 54 is fixedly connected with a stabilizing component 55, the bottom of the inner side surface of the cylinder 54 is fixedly connected with a rotating component 56, the upper position of the inner side surface of the cylinder 62 is fixedly connected with an impact component 63, the inner side surface of the cylinder 62 is slidingly connected with a piston 64, hydraulic pressure is introduced into the cylinder 62, the hydraulic pressure drives the rotary cutting component 66 to impact into the skin of a patient, then the rotary cutting component 66 rotates to cut into the tissue, a hard tumor is separated from the surrounding tissue, the bottom of the piston 64 is fixedly connected with a cutting tube 65, the surface of the cylinder 62 is fixedly connected with a supporting table 61, and the bottom of the supporting table 61 is fixedly connected with the top of the anti-rolling mechanism 5.
During the use, pull rod 53 adjustable fixed station 52 inclination, motor 4 can drive fixed station 52 rotation simultaneously, the device avoids fixing through being close to patient's tumour position and then cuts, avoid when the tumour is too hard, the manpower promotes the rotary-cut subassembly 66 difficulty and causes other tissues in the patient easily to receive the harm, the medial surface of firm subassembly 55 is connected with the surface roll of cutting tube 65, when cutting tube 65 is washed into the human body by impact assembly 63, rotating assembly 56 drives rotary-cut subassembly 66 rotatory downwardly, firm subassembly 55 guides the removal of cutting tube 65, prevent cutting tube 65 overlength cutting unstability and the problem of edge appears, the cutter edge can cause the problem of sample failure when cutting the tissue has been solved.
As shown in fig. 3, 4 and 5, the stabilizing component 55 includes a connecting ring 551, a casing 552 is fixedly connected to the surface of the connecting ring 551, a rotating shaft 553 is rotatably connected to the inner side surface of the casing 552 at an upper position of the inner side surface of the cylinder 54, rollers 554 are fixedly connected to the middle position of the surface of the rotating shaft 553, a plurality of rollers 554 are provided, the rotating component 56 includes a worm 561, the surface of the worm 561 is rotatably connected to the bottom of the inner side surface of the cylinder 54, a worm wheel 562 is rotatably connected to the bottom of the cylinder 54, a support bar 563 is fixedly connected to the lower position of the inner side surface of the cylinder 54, and an internal thread cylinder 564 is rotatably connected to one side of the surface of the support bar 563 away from the cylinder 54.
When the cutter is used, the surface of the roller 554 is in direct contact with the surface of the cutting tube 65, hydraulic pressure is introduced into the cylinder 62, so that the piston 64 pushes the cutting tube 65 to move downwards, the cutting tube 65 is rapidly impacted into a human body, the worm 561 is externally connected with driving equipment to enable the cutting tube 65 to rotate, the worm 561 drives the worm wheel 562 to rotate on the inner side surface of the cylinder 54 when rotating, the worm wheel 562 and the internal thread cylinder 564 are both magnetic, the internal thread cylinder 564 is driven to rotate, the rotary cutting assembly 66 is screwed into the human body, the surface of the cutting tube 65 is limited by the rollers in three directions, the cutting tube 65 is not easy to be unstable and curled when moving downwards or upwards, and the rotary cutting assembly 66 is driven to move by the internal thread cylinder 564, so that the cutter is more stable when cutting.
As shown in fig. 5 and 8, the surface of the worm 561 is rotationally connected with the bottom of the inner side surface of the cylinder 54, the bottom of the cylinder 54 is rotationally connected with the worm wheel 562, the lower position of the inner side surface of the cylinder 54 is fixedly connected with the support bar 563, one side of the surface of the support bar 563 away from the cylinder 54 is rotationally connected with the internal thread cylinder 564, the top of the fixed hook 661 is fixedly connected with the upper position of the inner side surface of the cutting pipe 65, the bottom of the fixed hook 661 is fixedly connected with the taper hook body 665, the rotary cutting assembly 66 further comprises a threaded pipe 663, the bottom of the threaded pipe 663 is fixedly connected with the rotary cutting blade 664, and the surface of the cutting pipe 65 is provided with the slot 662.
When the device is used, the surface of the support bar 563 slides with the surface of the cutting tube 65 at a position close to the slot 662, the threaded tube 663 is arranged at the middle position of the inner side surface of the cutting tube 65, the internal thread cylinder 564 is arranged at a position between the cutting tube 65 and the threaded tube 663, when the worm wheel 562 rotates, the internal thread cylinder 564 is attracted to rotate by magnetic force, so that the internal thread cylinder 564 rotates, the inner side surface of the threaded tube 663 is connected with the inner side surface of the internal thread cylinder 564 through threads, the threaded tube 663 is screwed into a patient downwards, when the bottom end of the cutting tube 65 is close to a tumor of a human body, the threaded tube 663 is driven to rotate downwards by the internal thread cylinder 564 to continuously cut the tumor, and then the cutting tube 65 extends to the internal thread cylinder 564 to collect the sample to finish sampling.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Claims (10)
1. A rotary tissue sample cutter for biopsy, characterized by: comprising
The device comprises a base (1), wherein an electric cylinder (2) is fixedly connected to the top of the base (1), a bending plate (3) is fixedly connected to the output end of the electric cylinder (2), and a motor (4) is fixedly connected to the upper position of the surface of the bending plate (3);
the cutting mechanism (6) is a cutting component of the cutter and is used for cutting and sampling the tumor with harder texture; the cutting mechanism (6) comprises a cylinder body (62) and a rotary cutting assembly (66), an impact assembly (63) is fixedly connected to the upper position of the inner side surface of the cylinder body (62), a piston (64) is connected to the inner side surface of the cylinder body (62) in a sliding mode, hydraulic pressure is introduced into the cylinder body (62), the hydraulic pressure drives the rotary cutting assembly (66) to impact into the skin of a patient, and then the rotary cutting assembly (66) rotates to cut into the tissue to separate a tumor with a harder texture from surrounding tissues;
prevent rolling up sword mechanism (5) for support cutting mechanism (6), prevent rolling up the removal of sword mechanism (5) to rotary cutting subassembly (66) and guide, the bottom of rotary cutting subassembly (66) extends to the below position of preventing rolling up sword mechanism (5), prevent the pivot fixed connection of the surface of sword mechanism (5) and motor (4) output, motor (4) are used for adjusting the rotation angle of preventing rolling up sword mechanism (5), electronic jar (2) are used for adjusting the height of preventing rolling up sword mechanism (5).
2. A rotary tissue sample cutter for biopsies according to claim 1, wherein: the bottom of piston (64) fixedly connected with cutting tube (65), the fixed surface of cylinder body (62) is connected with supporting bench (61), the bottom of supporting bench (61) is connected with the top of preventing rolling up sword mechanism (5) fixedly.
3. A rotary tissue sample cutter for biopsies according to claim 2, wherein: the impact assembly (63) comprises an elastic wall (631), the surface of the elastic wall (631) is fixedly connected with the upper position of the inner side surface of the cylinder body (62), the elastic wall (631) is made of rubber, and a gap is reserved between the elastic wall (631) and the cylinder body (62).
4. A rotary tissue sample cutter for biopsies according to claim 3, wherein: the pressure valve (632) is fixedly connected to the upper position of the inner side surface of the cylinder body (62), the limiting rings (633) are fixedly connected to the inner side surface of the cylinder body (62), and the number of the limiting rings (633) is two.
5. A rotary tissue sample cutter for biopsies according to claim 4, wherein: the rotary cutting assembly (66) comprises a fixed hook (661), the top of the fixed hook (661) is fixedly connected with the upper position of the inner side surface of the cutting tube (65), and the bottom end of the fixed hook (661) is fixedly connected with a conical hook body (665).
6. A rotary tissue sample cutter for biopsies according to claim 5, wherein: the rotary cutting assembly (66) further comprises a threaded pipe (663), a rotary cutting blade (664) is fixedly connected to the bottom end of the threaded pipe (663), and a groove (662) is formed in the surface of the cutting pipe (65).
7. A rotary tissue sample cutter for biopsies according to claim 1, wherein: the anti-sharpening mechanism (5) comprises a connecting plate (51), the middle position of the surface of the connecting plate (51) is fixedly connected with a rotating shaft of the output end of the motor (4), one side, far away from the motor (4), of the connecting plate (51) is rotationally connected with a fixed table (52), and a pull rod (53) is fixedly connected between the fixed table (52) and the connecting plate (51).
8. A rotary tissue sample cutter for biopsies according to claim 7, wherein: the middle part position on fixed station (52) surface fixedly connected with barrel (54), the upper position of barrel (54) medial surface is fixedly connected with firm subassembly (55), the bottom of barrel (54) medial surface is fixedly connected with rotating assembly (56).
9. A rotary tissue sample cutter for biopsies according to claim 8, wherein: the stabilizing component (55) comprises a connecting ring (551), a shell (552) is fixedly connected to the surface of the connecting ring (551), and the surface of the connecting ring (551) is fixedly connected to the upper position of the inner side surface of the cylinder (54).
10. A rotary tissue sample cutter for biopsies according to claim 9, wherein: the inner side surface of the shell (552) is rotationally connected with a rotating shaft (553), the middle position of the surface of the rotating shaft (553) is fixedly connected with rollers (554), and the number of the rollers (554) is a plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310608595.8A CN116784893B (en) | 2023-05-28 | 2023-05-28 | Rotary tissue sample cutter for biopsy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310608595.8A CN116784893B (en) | 2023-05-28 | 2023-05-28 | Rotary tissue sample cutter for biopsy |
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| CN116784893A CN116784893A (en) | 2023-09-22 |
| CN116784893B true CN116784893B (en) | 2024-01-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10980521B1 (en) * | 2020-03-24 | 2021-04-20 | Lavon Bennett | Tissue sampling devices and needle holders therefor |
| CN112770678A (en) * | 2018-09-03 | 2021-05-07 | 新动力学(公开)有限公司 | Biopsy arrangement |
| CN213640959U (en) * | 2020-07-14 | 2021-07-09 | 马建军 | Clinical sampling device of department of general surgery |
| CN115337053A (en) * | 2022-09-21 | 2022-11-15 | 张生明 | Kidney puncture sampling device |
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| WO2020167250A1 (en) * | 2019-02-11 | 2020-08-20 | Singapore Health Services Pte Ltd | Device for skin biopsy |
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| CN112770678A (en) * | 2018-09-03 | 2021-05-07 | 新动力学(公开)有限公司 | Biopsy arrangement |
| US10980521B1 (en) * | 2020-03-24 | 2021-04-20 | Lavon Bennett | Tissue sampling devices and needle holders therefor |
| CN213640959U (en) * | 2020-07-14 | 2021-07-09 | 马建军 | Clinical sampling device of department of general surgery |
| CN115337053A (en) * | 2022-09-21 | 2022-11-15 | 张生明 | Kidney puncture sampling device |
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