CN113133791A - Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy - Google Patents
Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy Download PDFInfo
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- CN113133791A CN113133791A CN202110509370.8A CN202110509370A CN113133791A CN 113133791 A CN113133791 A CN 113133791A CN 202110509370 A CN202110509370 A CN 202110509370A CN 113133791 A CN113133791 A CN 113133791A
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- 238000001574 biopsy Methods 0.000 title claims abstract description 20
- 208000018084 Bone neoplasm Diseases 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000005070 sampling Methods 0.000 claims description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 17
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 17
- 241001330002 Bambuseae Species 0.000 claims description 17
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 17
- 239000011425 bamboo Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 206010005949 Bone cancer Diseases 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 5
- 210000001519 tissue Anatomy 0.000 description 24
- 238000000034 method Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000012360 testing method Methods 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
- A61B10/0096—Casings for storing test samples
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (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)
- Food Science & Technology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of medical instruments and discloses a negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy, which comprises a transmission cylinder, wherein the left side of the transmission cylinder is communicated with the cannula, the inner side wall of the cannula is rotationally connected with a driven wheel, a disc is arranged in the driven wheel, four connecting rods are fixedly connected between the disc and the driven wheel, the left side of the disc is fixedly connected with a stirrer, the left end of the stirrer is integrally formed with a plurality of blades, and the right side of the upper surface of the cannula is fixedly connected with a first motor; according to the invention, through arrangement of the extractor, the side plate, the cover plate, the slide rail, the idler wheel, the second motor, the vertical plate, the ring and other structural elements, the second motor is fixed in the cover plate, when the device works, the second motor drives the idler wheel to rotate, the idler wheel is embedded in the slide rail, and the idler wheel can slide on the slide rail, so that the cover plate can move to the right side, the extractor can move to the right side, and the negative pressure extraction is labor-saving.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a negative pressure rotary cutting puncture cannula for bone tumor puncture biopsy.
Background
In medical treatment, bone tumor biopsy is performed by pathological biopsy through surgery, and is a benign or malignant state in which bone tumor can be clarified. Before treating many patients in the medical treatment, medical personnel need use the apparatus to carry out the pathology sample, organize the chemical examination to the sample, and then judge the patient situation. Medical pathological sampling typically uses a puncture needle or tube.
The puncture cannula on the market at present has certain shortcoming:
(1) when the traditional puncture cannula is used, the tissues sampled by a worker at one time are few, false negative rate exists during test, and sometimes when medical workers want to sample a large amount of tissues, the puncture cannula is taken out of the body of a patient after sampling at one time generally, then the tissues are taken out, and then the puncture cannula punctures the body of the patient, so that the puncture cannula is troublesome, low in efficiency and extremely harmful to the body of the patient;
(2) the puncture cannula takes out some tissues of a certain part of a human body, the tissues are adhered, and when the tissues are extracted, the tissues are extracted by pressure, so that the extraction is labor-consuming, and the extraction difficulty is increased for medical personnel;
(3) and the traditional puncture cannula has low intelligent degree and is not advanced enough.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a negative pressure rotary cutting puncture cannula for bone tumor puncture biopsy, which solves the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy comprises a transmission barrel, wherein the left side of the transmission barrel is communicated with a cannula, the inner side wall of the cannula is rotatably connected with a driven wheel, a disc is arranged in the driven wheel, four connecting rods are fixedly connected between the disc and the driven wheel, the left side of the disc is fixedly connected with a stirrer, the left end of the stirrer is integrally formed with a plurality of blades, the right side of the upper surface of the cannula is fixedly connected with a first motor, the output shaft of the first motor penetrates into the interior of the cannula, the bottom end of the first motor is fixedly connected with a driving wheel, the driving wheel is contacted with the driven wheel, the driving wheel is meshed with the driven wheel, the right side of the front surface of the cannula is fixedly connected with a first electromagnetic valve, the left side of the upper surface of the transmission barrel is communicated with an air outlet pipe, and the front part of the air outlet pipe is fixedly connected with a second electromagnetic valve, the upper surface and the lower surface of a transmission section of thick bamboo are fixedly connected with curb plate respectively, the right side fixedly connected with slide rail of curb plate, the right side top fixedly connected with cover plate of disc, just the inside fixedly connected with second motor of cover plate, the output shaft fixedly connected with gyro wheel of second motor, the gyro wheel inlays to be established the inside of slide rail, the gyro wheel with slide rail sliding connection, two riser of right side fixedly connected with of cover plate, the left side middle part fixedly connected with extractor of riser, the inside wall right side edge fixedly connected with ring of a transmission section of thick bamboo, the extractor runs through to the inside of ring, the front surface intercommunication of a transmission section of thick bamboo has the pipeline, the place ahead of pipeline can be dismantled and be connected with the sampling box.
Preferably, the sampling box includes circle box and pipe, the outside threaded connection of pipeline has the pipe, the lateral wall and the inside wall of pipe all have the screw thread, the front end intercommunication of pipe has the circle box.
Preferably, the extractor includes round bar and rubber disc, the inside wall of a transmission section of thick bamboo is equipped with the rubber disc, the rubber disc with a transmission section of thick bamboo sliding connection, the right side fixedly connected with of rubber disc the round bar, the right side of round bar run through to the inside of ring, the round bar with ring sliding connection, the right-hand member of round bar is fixed in the left side of riser.
Preferably, a control box is placed on the right side of the conveying cylinder, and the control box is electrically connected with the first motor, the first electromagnetic valve, the second electromagnetic valve and the second motor.
Preferably, a sealing ring is arranged between the lower part of the outer side wall of the first motor and the sleeve, and the sealing ring is fixedly connected with the first motor and the sleeve.
Preferably, a triangular cone cutter is arranged at the center of the left side of the blade, and the triangular cone cutter and the blade are integrally formed.
Preferably, the side view of the cover plate is in an inverted U-shaped structure, and the slide rail, the roller and the second motor are wrapped in the cover plate.
Preferably, the sampling box is adapted with a threaded cap, the inner side wall of which has the threaded wire.
Preferably, the round box is made of transparent medical plastic materials, and the outer side wall of the round box is provided with a millimeter scale strip.
Preferably, the two second motors run synchronously, and the second motors are positive and negative motors.
(III) advantageous effects
The invention provides a negative pressure rotary cutting puncture cannula for bone tumor puncture biopsy, which has the following beneficial effects:
(1) according to the invention, by arranging the blades, the stirrer, the driven wheel, the connecting rod, the disc, the driving wheel, the first motor, the sealing ring and other structural elements, the improved instrument can crush the tissue just extracted into the sleeve, so that the phenomenon that large tissues are inconvenient to extract can be avoided.
(2) According to the invention, through arrangement of the extractor, the side plate, the cover plate, the slide rail, the idler wheel, the second motor, the vertical plate, the ring and other structural elements, the second motor is fixed in the cover plate, when the device works, the second motor drives the idler wheel to rotate, the idler wheel is embedded in the slide rail, and the idler wheel can slide on the slide rail, so that the cover plate can move to the right side, the extractor can move to the right side, and the negative pressure extraction is labor-saving.
(3) According to the invention, through arranging the first and second electromagnetic valves, the air outlet pipe, the control box, the sampling box, the threaded cover, the pipeline and other structural elements, the sampling box is installed on the pipeline in a threaded manner, sampled tissues fall into the sampling box, the sampling box is transparent, the tissue quantity is seen clearly, when a large quantity of tissues need to be removed, the control box is controlled, the first electromagnetic valve is closed, the second electromagnetic valve is opened, meanwhile, the output shaft of the second motor runs reversely, the extractor can be pushed leftwards, the gas in the transmission cylinder is pushed to the outside from the air outlet pipe, then, the first electromagnetic valve is opened, the second electromagnetic valve is closed, the second motor runs forwards, tissues can be extracted again, multiple sampling can be realized, and the pain of a patient is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a connection diagram of the transfer cylinder and the vertical plate of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the external structure of the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3 in accordance with the present invention;
FIG. 5 is a schematic top view of the structure of FIG. 3 according to the present invention;
fig. 6 is a schematic view of the sampling box and the screw cap of fig. 1 according to the present invention.
In the figure: 100. a sampling box; 200. an extractor; 1. a sleeve; 2. a first motor; 3. a seal ring; 4. a first solenoid valve; 5. a second solenoid valve; 6. an air outlet pipe; 7. a side plate; 8. a cover plate; 9. a transfer drum; 10. a round box; 11. a control box; 12. a vertical plate; 13. a driven wheel; 14. a stirrer; 15. a driving wheel; 16. a connecting rod; 17. a disc; 18. a roller; 19. a second motor; 20. a slide rail; 21. a round bar; 22. a rubber disc; 23. a circular ring; 24. a blade; 25. a threaded cap; 26. a circular tube; 27. a pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the present invention provides a technical solution: a negative pressure rotary cutting puncture cannula for bone tumor puncture biopsy comprises a transmission barrel 9, the left side of the transmission barrel 9 is communicated with a cannula 1, the inner side wall of the cannula 1 is rotatably connected with a driven wheel 13, a disc 17 is arranged inside the driven wheel 13, four connecting rods 16 are fixedly connected between the disc 17 and the driven wheel 13, the left side of the disc 17 is fixedly connected with a stirrer 14, the left end of the stirrer 14 is integrally formed with a plurality of blades 24, the right side of the upper surface of the cannula 1 is fixedly connected with a first motor 2, an output shaft of the first motor 2 penetrates into the interior of the cannula 1, the bottom end of the first motor 2 is fixedly connected with a driving wheel 15, the driving wheel 15 is contacted with the driven wheel 13, the driving wheel 15 is meshed with the driven wheel 13, the right side of the front surface of the cannula 1 is fixedly connected with a first electromagnetic valve 4, the left side of the upper surface of the transmission barrel 9 is communicated with an air outlet pipe 6, and the front of the air outlet pipe 6 is fixedly connected with a second electromagnetic valve 5, upper surface and lower surface of a transmission section of thick bamboo 9 are fixedly connected with curb plate 7 respectively, the right side fixedly connected with slide rail 20 of curb plate 7, disc 17's right side top fixedly connected with cover plate 8, and the inside fixedly connected with second motor 19 of cover plate 8, the output shaft fixedly connected with gyro wheel 18 of second motor 19, gyro wheel 18 inlays the inside of establishing at slide rail 20, gyro wheel 18 and slide rail 20 sliding connection, riser 12 of two right side fixedly connected with of cover plate 8, the left side middle part fixedly connected with extractor 200 of riser 12, the inside wall right side edge fixedly connected with ring 23 of a transmission section of thick bamboo 9, extractor 200 runs through the inside to ring 23, the front surface intercommunication of a transmission section of thick bamboo 9 has pipeline 27, pipeline 27's the place ahead can be dismantled and be connected with sampling box 100, the apparatus medical personnel of design can hand-held use.
Further, sample box 100 includes circle box 10 and pipe 26, and the outside threaded connection of pipeline 27 has pipe 26, and the lateral wall and the inside wall of pipe 26 all have the screw thread, and the front end intercommunication of pipe 26 has circle box 10, and the tissue of sample falls in sample box 100.
Further, extractor 200 includes round bar 21 and rubber disc 22, the inside wall of a transmission section of thick bamboo 9 is equipped with rubber disc 22, rubber disc 22 and a transmission section of thick bamboo 9 sliding connection, the right side fixedly connected with round bar 21 of rubber disc 22, the inside of round bar 21's right side run through to ring 23, round bar 21 and ring 23 sliding connection, the right-hand member of round bar 21 is fixed in the left side of riser 12, extractor 200 is T shape structure, extractor 200 when moving to the right, can produce the negative pressure.
Furthermore, a control box 11 is arranged on the right side of the transmission cylinder 9, the control box 11 is electrically connected with the first motor 2, the first electromagnetic valve 4, the second electromagnetic valve 5 and the second motor 19, the control box 11 is a brain of the device and can execute commands to control electric elements, and a plurality of buttons are arranged in front of the control box 11.
Further, a sealing ring 3 is arranged between the lower portion of the outer side wall of the first motor 2 and the sleeve 1, the sealing ring 3 is fixedly connected with the first motor 2 and the sleeve 1, and the sealing ring 3 can reduce air leakage between the output shaft of the first motor 2 and the sleeve 1.
Furthermore, the center position of the left side of the blade 24 is provided with a triangular cone cutter, the triangular cone cutter and the blade 24 are integrally formed, and the triangular cone cutter is beneficial to crushing tissues.
Further, the side view of the cover plate 8 is an inverted U-shaped structure, the cover plate 8 is wrapped with a slide rail 20, a roller 18 and a second motor 19, and the cover plate 8 is made of plastic.
Further, sample box 100 adaptation has screw cap 25, and the inside wall of screw cap 25 has the screw thread, and sample box 100 can be dismantled with pipeline 27, and screw cap 25 covers on sample box 100, and like this, sample box 100 can take off the chemical examination and detect, and a piercing depth can a plurality of sample box 100 of adaptation.
Further, the round box 10 is made of transparent medical plastic materials, the outer side wall of the round box 10 is provided with millimeter scale bars, the round box 10 is transparent, and the tissue amount can be seen clearly.
Further, the two second motors 19 run synchronously, and the second motors 19 are positive and negative motors, and the model number of the second motor 19 is 380.
In conclusion, the working process of the invention is as follows: after the preoperative operation is ready, the medical staff holds the puncture cannula, the cannula 1 is aligned to a tissue part needing to be taken, at the moment, the medical staff orally issues operation items to the assistant, the assistant presses a corresponding button on the control box 11, at the moment, the first motor and the second motor run, the tissue is extracted through negative pressure, the first motor 2 drives the driving wheel 15 to rotate, the driving wheel 15 drives the driven wheel 13 to rotate, the driven wheel 13 drives the stirrer 14 and the blade 24 to rotate, the tissue can be crushed, the negative pressure extraction is labor-saving, the crushed tissue passes through the driven wheel 13 and the disc 17 and is sucked into the transmission cylinder 9, the sampled tissue falls into the sampling box 100, the sampling box 100 is transparent, the tissue quantity is clear at a glance, when a large quantity of tissue needs to be removed, an instruction is issued to the assistant again to control the control box 11, the control box 11 controls the first electromagnetic valve 4 to be closed, the second electromagnetic valve 5 to be opened, meanwhile, the output shaft of the second motor 19 runs in the reverse direction, the extractor 200 can be pushed to the left side, gas in the transmission cylinder 9 is pushed to the outside from the gas outlet pipe 6, then the first electromagnetic valve 4 is opened, the second electromagnetic valve 5 is closed, the second motor 19 runs in the forward direction, tissues can be extracted again, multiple sampling can be carried out, and the pain of a patient is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a bone tumour is negative pressure rotary-cut puncture sleeve for aspiration biopsy, includes a transmission section of thick bamboo (9), its characterized in that: the left side intercommunication of a transmission section of thick bamboo (9) has sleeve pipe (1), the inside wall of sleeve pipe (1) rotates and is connected with from driving wheel (13), the inside from driving wheel (13) is equipped with disc (17), disc (17) with from four connecting rods (16) of fixedly connected with between driving wheel (13), the left side fixedly connected with agitator (14) of disc (17), the left end integrated into one piece of agitator (14) has a plurality of blades (24), the upper surface right side fixedly connected with first motor (2) of sleeve pipe (1), the output shaft of first motor (2) runs through to the inside of sleeve pipe (1), the bottom fixedly connected with action wheel (15) of first motor (2), action wheel (15) with from driving wheel (13) contact, action wheel (15) with from driving wheel (13) meshing connection, the right side of the front surface of the sleeve (1) is fixedly connected with a first electromagnetic valve (4), the left side of the upper surface of the transmission cylinder (9) is communicated with an air outlet pipe (6), the front of the air outlet pipe (6) is fixedly connected with a second electromagnetic valve (5), the upper surface and the lower surface of the transmission cylinder (9) are respectively fixedly connected with a side plate (7), the right side of the side plate (7) is fixedly connected with a sliding rail (20), the upper side of the right side of the disc (17) is fixedly connected with a cover plate (8), the interior of the cover plate (8) is fixedly connected with a second motor (19), an output shaft of the second motor (19) is fixedly connected with a roller (18), the roller (18) is embedded in the sliding rail (20), the roller (18) is connected with the sliding rail (20) in a sliding manner, the right sides of the two cover plates (8) are fixedly connected with a vertical plate (12), the utility model discloses a sample collection device, including riser (12), transmission section of thick bamboo (9), the inside wall right side edge fixedly connected with ring (23) of transmission section of thick bamboo (9), extractor (200) run through to the inside of ring (23), the front surface intercommunication of transmission section of thick bamboo (9) has pipeline (27), the place ahead of pipeline (27) can be dismantled and be connected with sampling box (100).
2. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: sample box (100) including circle box (10) and pipe (26), pipeline (27) outside threaded connection has pipe (26), the lateral wall and the inside wall of pipe (26) all have the screw thread, the front end intercommunication of pipe (26) has circle box (10).
3. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: extractor (200) include round bar (21) and rubber disc (22), the inside wall of a transmission section of thick bamboo (9) is equipped with rubber disc (22), rubber disc (22) with a transmission section of thick bamboo (9) sliding connection, the right side fixedly connected with of rubber disc (22) round bar (21), the right side of round bar (21) runs through to the inside of ring (23), round bar (21) with ring (23) sliding connection, the right-hand member of round bar (21) is fixed in the left side of riser (12).
4. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: a control box (11) is placed on the right side of the transmission cylinder (9), and the control box (11) is electrically connected with the first motor (2), the first electromagnetic valve (4), the second electromagnetic valve (5) and the second motor (19).
5. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: a sealing ring (3) is arranged between the lower part of the outer side wall of the first motor (2) and the sleeve (1), and the sealing ring (3) is fixedly connected with the first motor (2) and the sleeve (1).
6. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: the left side central point of blade (24) puts and is equipped with the triangle awl cutter, the triangle awl cutter with blade (24) integrated into one piece.
7. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: the side view of the cover plate (8) is in an inverted U-shaped structure, and the slide rail (20), the roller (18) and the second motor (19) are wrapped in the cover plate (8).
8. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 2, characterized in that: the sampling box (100) is adapted with a screw cap (25), the inner side wall of the screw cap (25) is provided with the screw thread.
9. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 2, characterized in that: the round box (10) is made of transparent medical plastic materials, and the outer side wall of the round box (10) is provided with millimeter scale strips.
10. The negative pressure rotary-cut puncture cannula for bone tumor aspiration biopsy according to claim 1, characterized in that: the two second motors (19) run synchronously, and the second motors (19) are positive and negative motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110509370.8A CN113133791A (en) | 2021-05-11 | 2021-05-11 | Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110509370.8A CN113133791A (en) | 2021-05-11 | 2021-05-11 | Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy |
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| CN113133791A true CN113133791A (en) | 2021-07-20 |
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| CN202110509370.8A Pending CN113133791A (en) | 2021-05-11 | 2021-05-11 | Negative pressure rotary-cut puncture cannula for bone tumor puncture biopsy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114343739A (en) * | 2022-02-08 | 2022-04-15 | 山东大学 | Hepatobiliary surgery puncture method and hepatobiliary surgery puncture equipment |
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| CN114343739B (en) * | 2022-02-08 | 2022-06-21 | 山东大学 | Hepatobiliary surgery puncture method and hepatobiliary surgery puncture equipment |
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Application publication date: 20210720 |