CN113729793A - Mammary gland pathology sample collection device - Google Patents
Mammary gland pathology sample collection device Download PDFInfo
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- CN113729793A CN113729793A CN202111147997.XA CN202111147997A CN113729793A CN 113729793 A CN113729793 A CN 113729793A CN 202111147997 A CN202111147997 A CN 202111147997A CN 113729793 A CN113729793 A CN 113729793A
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- 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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Abstract
The invention discloses a breast pathology specimen collecting device, which relates to the technical field of medical appliances and comprises a bearing head connected with an external negative pressure device, wherein a negative pressure pipeline is inserted into the bottom of the bearing head, and an auxiliary device is arranged on the outer side of the negative pressure pipeline and is adapted to drive the negative pressure pipeline to rotate, lift and center; the upper end and the lower end of the negative pressure pipeline are respectively provided with a top plate and a bottom plate, and the negative pressure pipeline can rotate up and down relative to the top plate and the bottom plate; the friction arc plate is driven to be close to the negative pressure pipeline by the rotation of the waist rod, the friction force between the negative pressure pipeline and the friction arc plate is increased, and meanwhile, the friction arc plate has a certain space in front of the friction arc plate close to the negative pressure pipeline, so that the cutter can have enough time to adjust, the friction arc plate can drive the negative pressure pipeline to spirally descend, the acting force of negative pressure is increased, and unnecessary trauma caused by a large cutting range is avoided.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a device for collecting a breast pathology specimen.
Background
Existing breast surgery patients often take biopsies of samples from different directions of one breast, for example, 1 o 'clock, 4 o' clock, 7 o 'clock, 8 o' clock. The specimens at each orientation position cannot be mixed.
There are many specimen collection devices on the market that collect pathological specimens by aspiration. For example: chinese patent application No. 201810229133.4 discloses an endoscopic resection specimen collection device: simple structure absorbs the tissue of sample department through the negative pressure pipe, cuts the separation through the rotation of blade for in the sample tissue inhales the negative pressure pipe, easy operation, the position of negative pressure pipe can be adjusted, is convenient for absorb the sample tissue, the rotation of blade is controlled through the removal of negative pressure pipe. However, this collecting device has the following mechanism disadvantages:
(1) the time of adjusting the negative pressure tube cannot be selected according to the position of the cutter during cutting during collection, but the position of the negative pressure tube is changed during cutting, so that the cutting range is large, and unnecessary trauma is formed.
(2) The device still needs to take out the device after the cutting is absorb, then just can take out the pathology sample of absorption, and can't take out the sample biopsy under not taking out the device.
Therefore, it is necessary to invent a specimen collecting device for breast pathology to solve the above problems.
Disclosure of Invention
The invention aims to provide a device for collecting a specimen of breast pathology, which aims to solve the problems that the time for adjusting a negative pressure tube cannot be selected according to the position of a cutter during cutting during collection, but the position of the negative pressure tube is changed during cutting, so that the cutting range is large, and unnecessary trauma is formed; the device still need take out the device after the cutting is absorb and take up, then just can take out the pathology sample that absorbs, and can't be under the problem of taking out the sample biopsy under the device of not taking out.
In order to achieve the purpose, the invention provides the following technical scheme: a breast pathology specimen collecting device comprises a bearing head connected with an external negative pressure device, wherein a negative pressure pipeline is inserted into the bottom of the bearing head, an auxiliary device is arranged on the outer side of the negative pressure pipeline, and the auxiliary device is adapted to drive the negative pressure pipeline to rotate, lift and center;
the upper end and the lower end of the negative pressure pipeline are respectively provided with a top plate and a bottom plate, and the negative pressure pipeline can rotate up and down relative to the top plate and the bottom plate;
the auxiliary device comprises waist rods, upper rotating heads hinged to the upper end of one waist rod in the horizontal direction and lower rotating heads hinged to the lower end of one waist rod in the horizontal direction, the number of the waist rods is four, the waist rods are uniformly distributed along the circumferential direction of the negative pressure pipeline and are clockwise, and the upper ends of the waist rods are positioned on the front side of the lower ends; the bottom of the lower rotating head is provided with a transmission shaft, the lower end of the transmission shaft penetrates through the bottom plate and is fixedly connected with a cutter to form that the top plate moves downwards, and when the waist rod swings clockwise, the lower rotating head rotates clockwise around the axis of the lower rotating head to drive the cutter to rotate clockwise for cutting; the upper rotating head is rotatably arranged at the bottom of the top plate.
Optionally, a sleeve body is rotatably mounted on the outer side of the waist rod, an insertion sleeve is fixedly mounted on the outer side of the sleeve body, an extension rod is inserted into the insertion sleeve, a friction arc plate is fixedly connected to one end, away from the insertion sleeve, of the extension rod, a first pressure spring is sleeved on the outer side of the extension rod, and two ends of the first pressure spring are fixedly connected with the friction arc plate and the insertion sleeve respectively; form waist pole upper end and make along clockwise swing, drive the friction arc board and move along clockwise rotation and to negative pressure pipeline department, drive the negative pressure pipeline and descend along clockwise rotation after friction arc board and negative pressure pipeline contact, and when waist pole upper end anticlockwise rotation, drive the friction arc board and move along anticlockwise rotation and keep away from the negative pressure pipeline, drive the negative pressure pipeline and follow anticlockwise rising before friction arc board and negative pressure pipeline separation.
Optionally, the diameter of the bottom opening of the faucet is larger than the diameter of the top opening.
Optionally, a pickup hole which is through from inside to outside is formed in the lower portion of the front side of the bearing head, a second pressure spring is fixedly connected to the inner top of the bearing head, a sealing sleeve which can slide up and down is fixedly mounted at the bottom of the second pressure spring, the sealing sleeve is formed to ascend under the action of external force to open the pickup hole, and the pickup hole is sealed by descending under the action of the second pressure spring after the external force disappears.
Optionally, an opening at the upper end of the seal sleeve is fixedly connected with an orienting piece, and a polygonal through hole which is through up and down is formed in the center of the orienting piece.
Optionally, the inside of the negative pressure pipeline is provided with a negative pressure sucker in an up-and-down sliding manner, the negative pressure sucker is provided with a negative pressure through hole which is communicated with the negative pressure sucker from top to bottom, the top of the negative pressure sucker is fixedly connected with a polygonal rod, the polygonal rod extends upwards and penetrates through the polygonal through hole to form the negative pressure through hole, the negative pressure sucker rises along the polygonal through hole under the action of negative pressure after being blocked, and the negative pressure sucker descends under the action of weight after being unblocked by the negative pressure through hole.
Optionally, a guide groove is formed in the surface of the negative pressure pipeline, and a guide head matched with the guide groove is arranged on the outer side of the negative pressure sucker.
Optionally, the guide groove is divided into an arc-shaped portion and a straight portion, the arc-shaped portion rises spirally, and an opening at the top of the spiral of the arc-shaped portion is communicated with an opening at the bottom of the straight portion.
Optionally, the equal fixedly connected with U type frame in top both ends of bottom plate, the one end that the bottom plate was kept away from to U type frame with accept first fixed connection, the upper portion slidable mounting of U type frame has the T type frame spacing to the roof, the bottom fixedly connected with third pressure spring of T type frame, third pressure spring fixedly connected with and the fixed bearing plate of U type frame.
The invention has the technical effects and advantages that:
1. the friction arc plate is driven to be close to the negative pressure pipeline by the rotation of the waist rod, the friction force between the negative pressure pipeline and the friction arc plate is increased, meanwhile, the friction arc plate has a certain space in front of the friction arc plate close to the negative pressure pipeline, so that the cutter can have enough time to adjust, when the cutter is adjusted to a cutting range, the friction arc plate drives the negative pressure pipeline to spirally descend, the acting force of negative pressure is increased, and the part which does not need to be cut is blocked by the cutter due to the fact that the cutter rotates to the precutting position, the negative pressure is prevented from being absorbed, and therefore the situation that the cutting range is large and unnecessary trauma is caused is avoided.
2. The position of the guide head on the guide groove is adjusted by utilizing the rotation of the negative pressure pipeline, when the negative pressure pipeline rotates at the maximum angle, the guide head corresponds to the straight line part of the guide groove, the negative pressure sucker sucks a pathological specimen, the negative pressure through hole is blocked, a negative pressure space is formed above the negative pressure sucker, the negative pressure sucker is driven to rise under the action of negative pressure, and when the negative pressure sucker is in contact with the sealing sleeve, the sealing sleeve is squeezed to rise, so that the picking hole is opened, and then the pathological specimen is taken out.
3. The negative pressure pipeline lifting device has the advantages that the four friction arc plates are arranged, the negative pressure pipeline can be shaped, the negative pressure pipeline is prevented from being deviated in the lifting process, and the negative pressure sucker can be prevented from rotating along with the negative pressure pipeline by matching the polygonal rod and the directional piece, so that the negative pressure sucker cannot lift under the action of negative pressure.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a schematic view of the friction arc plate and the negative pressure pipeline in a non-contact state according to the present invention;
FIG. 3 is a schematic view of the contact state of the friction arc plate and the negative pressure pipeline of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the interior of the negative pressure conduit structure of the present invention;
FIG. 6 is a schematic view of a guide head according to the present invention;
fig. 7 is a schematic view of the structure of the guide groove of the present invention.
In the figure: 1. a bearing head; 2. a negative pressure pipeline; 3. a top plate; 4. a base plate; 5. a lower rotating head; 6. a drive shaft; 7. a cutter; 8. a second rotating head; 9. a waist bar; 10. a sleeve body; 11. inserting a sleeve; 12. an extension rod; 13. a friction arc plate; 14. a first pressure spring; 15. a pick-up hole; 16. a second pressure spring; 17. sealing sleeves; 18. an orienting member; 19. a negative pressure sucker; 20. a negative pressure through hole; 21. a polygonal rod; 22. a guide groove; 23. a guide head; 24. a T-shaped frame; 25. a third pressure spring; 26. a bearing plate; 27. a U-shaped frame.
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.
The invention provides a breast pathology specimen collecting device shown in figures 1-7, which comprises a bearing head 1 connected with an external negative pressure device, wherein the diameter of a bottom opening of the bearing head 1 is larger than that of a top opening, a negative pressure pipeline 2 is inserted into the bottom of the bearing head 1, an auxiliary device is arranged on the outer side of the negative pressure pipeline 2, and the auxiliary device is adapted to drive the negative pressure pipeline 2 to rotate, lift and center.
The negative pressure generated by an external negative pressure device acts on the pathological specimen by utilizing the arrangement of the negative pressure pipeline 2, and the pathological specimen is adsorbed, guided and transported; the negative pressure pipeline 2 and the bearing head 1 are arranged in a sealing mode, the top of the negative pressure pipeline 2 cannot be influenced to be threaded simultaneously, and only the negative pressure pipeline 2 can normally descend when rotating.
The negative pressure device can be a negative pressure fan.
The upper end and the lower end of the negative pressure pipeline 2 are respectively provided with a top plate 3 and a bottom plate 4, and the negative pressure pipeline 2 can rotate up and down relative to the top plate 3 and the bottom plate 4.
The auxiliary device is driven by the lifting of the top plate 3 to adjust, so that the auxiliary device can normally center the negative pressure pipeline 2 and simultaneously drive the negative pressure pipeline 2 to rotate and lift.
In some embodiments of the present invention, the auxiliary device comprises a waist bar 9, an upper rotating head 8 hinged with the upper end of one waist bar 9 around the horizontal direction, and a lower rotating head 5 hinged with the lower end of one waist bar 9 around the horizontal direction, the waist bars 9 are four, are uniformly distributed along the circumference of the negative pressure pipeline 2, and the upper end of the waist bar 9 is positioned at the front side of the lower end along the clockwise direction; the bottom of the lower rotating head 5 is provided with a transmission shaft 6, the lower end of the transmission shaft 6 penetrates through the bottom plate 4 and is fixedly connected with a cutter 7, so that the top plate 3 moves downwards, and when the waist rod 9 swings clockwise, the lower rotating head 5 rotates clockwise around the axis of the lower rotating head, so that the cutter 7 rotates clockwise to cut; the upper rotating head 8 is rotatably mounted at the bottom of the top plate 3.
The normal installation that can guarantee waist pole 9 is rotated to the cooperation that utilizes last rotor 8 and lower rotor 5, can make waist pole 9 descend at roof 3 and make and rotate around negative pressure pipeline 2, and waist pole 9 will drive cutter 7 rotary cutting through rotor 5 down rotating in the rotation, and four cutter 7's head is misplaced each other simultaneously, can not influence each other.
A sleeve body 10 is rotatably mounted on the outer side of the waist rod 9, an inserting sleeve 11 is fixedly mounted on the outer side of the sleeve body 10, an extension rod 12 is inserted into the inserting sleeve 11, a friction arc plate 13 is fixedly connected to one end, far away from the inserting sleeve 11, of the extension rod 12, a first pressure spring 14 is sleeved on the outer side of the extension rod 12, and two ends of the first pressure spring 14 are fixedly connected with the friction arc plate 13 and the inserting sleeve 11 respectively; form waist pole 9 upper end along clockwise swing messenger, drive friction arc board 13 along clockwise rotation and to negative pressure pipeline 2 department removal, drive negative pressure pipeline 2 along clockwise rotation decline after friction arc board 13 and negative pressure pipeline 2 contact, and when waist pole 9 upper end anticlockwise rotation, drive friction arc board 13 along anticlockwise rotation and keep away from negative pressure pipeline 2 and remove, drive negative pressure pipeline 2 along anticlockwise rising before friction arc board 13 and negative pressure pipeline 2 separation.
Utilize the rotation of waist pole 9 to drive friction arc board 13 and be close to negative pressure pipeline 2, increase the frictional force between negative pressure pipeline 2 and the friction arc board 13, friction arc board 13 has certain space before being close to negative pressure pipeline 2 simultaneously, make cutter 7 can have sufficient time to adjust, adjust to the cutting scope back when cutter 7, friction arc board 13 will drive negative pressure pipeline 2 spiral decline, thereby increase the effort of negative pressure, because cutter 7 has rotated to the precutting position, and the position that does not need the cutting will be blockked by cutter 7, avoid being absorbed by the negative pressure, thereby avoid the scope of cutting great, cause the unnecessary wound.
The setting of utilizing four friction arc boards 13 can play the effect of stereotyping to negative pressure pipeline 2, avoids negative pressure pipeline 2 to make present skew to the lift process.
The setting of grafting sleeve 11 can provide male space for extension rod 12, guarantees that friction arc 13 to look for after the atress drive extension rod 12 to the removal of waist pole 9 department to extrude first pressure spring 14, first pressure spring 14 can produce a reaction force to friction arc 13 after the atress compression, make friction arc 13 strengthen under the effect of reaction force and negative pressure pipeline 2 between the frictional force.
When the waist bar 9 revolves around the negative pressure pipeline 2, the friction arc plate 13 can rotate under the action of the arc of the negative pressure pipeline 2 according to the inclination degree of the waist bar 9, and the friction arc plate 13 and the negative pressure pipeline 2 can be well attached together.
In some embodiments of the present invention, a pickup hole 15 penetrating inside and outside is formed in a lower portion of a front side of the receiving head 1, a second pressure spring 16 is fixedly connected to an inner top portion of the receiving head 1, a sealing sleeve 17 capable of sliding up and down is fixedly installed at a bottom portion of the second pressure spring 16, so that the sealing sleeve 17 rises under the action of an external force to open the pickup hole 15, and descends under the action of the second pressure spring 16 to seal the pickup hole 15 after the external force disappears.
Pick up the setting in hole 15 and use in taking out pathology sample, seal cover 17's setting will pick up hole 15 simultaneously and seal, avoids influencing the negative pressure and cause the influence to the absorption of pathology sample, and seal cover 17 is rising the messenger and can open picking up hole 15, and seal cover 17 still can extrude second pressure spring 16 when rising simultaneously, receives the power disappearance back when seal cover 17, and second pressure spring 16 will make seal cover 17 descend, will pick up hole 15 once more and seal.
An opening at the upper end of the sealing sleeve 17 is fixedly connected with an orienting piece 18, and a polygonal through hole which is through up and down is formed in the center of the orienting piece 18.
The matching of the polygonal rod 21 and the orientation member 18 can prevent the negative pressure suction cup 19 from rotating along with the negative pressure pipeline 2 and thus being unable to rise under the action of the negative pressure.
In some embodiments of the present invention, a negative pressure suction cup 19 is slidably installed in the negative pressure pipeline 2 up and down, a negative pressure through hole 20 is formed in the negative pressure suction cup 19, a polygonal rod 21 is fixedly connected to the top of the negative pressure suction cup 19, the polygonal rod 21 extends upwards and penetrates through the polygonal through hole, so that after the negative pressure through hole 20 is blocked, the negative pressure suction cup 19 rises along the polygonal through hole under the action of negative pressure, and descends under the action of weight after the negative pressure through hole 20 is unblocked.
The pathological specimen is adsorbed by the negative pressure sucker 19, the negative pressure generated by the negative pressure device is sucked by the negative pressure through hole 20, the negative pressure through hole 20 is blocked after the pathological specimen is sucked, a negative pressure space is formed above the negative pressure sucker 19, the negative pressure sucker 19 rises under the action of the negative pressure, and the diameter of the negative pressure sucker 19 is larger than that of the opening at the lower part of the sealing sleeve 17, so that the sealing sleeve 17 is squeezed after the negative pressure sucker 19 rises to be in contact with the sealing sleeve 17, and the sealing sleeve 17 rises.
The surface of the negative pressure pipeline 2 is provided with a guide groove 22, and the outer side of the negative pressure sucker 19 is provided with a guide head 23 matched with the guide groove 22.
The cooperation between the guide groove 22 and the guide head 23 prevents the negative pressure suction cup 19 from rising because the negative pressure suction cup 19 is positioned at the lowermost portion.
The guide groove 22 is divided into an arc-shaped portion and a straight portion, the arc-shaped portion rises spirally, and the top opening of the spiral of the arc-shaped portion is communicated with the bottom opening of the straight portion.
The position of the guide head 23 on the guide groove 22 is adjusted by utilizing the rotation of the negative pressure pipeline 2, when the negative pressure pipeline 2 rotates at the maximum angle, the guide head 23 corresponds to the straight line part of the guide groove 22, the negative pressure sucker 19 sucks the pathological specimen, the negative pressure through hole 20 is blocked, a negative pressure space is formed above the negative pressure sucker 19, the negative pressure sucker 19 is driven to ascend under the action of negative pressure, when the negative pressure sucker 19 is in contact with the sealing sleeve 17, the sealing sleeve 17 is extruded to ascend, the pickup hole 15 is opened, and then the pathological specimen is taken out.
In some embodiments of the present invention, both ends of the top of the bottom plate 4 are fixedly connected with U-shaped frames 27, one end of the U-shaped frame 27 away from the bottom plate 4 is fixedly connected with the bearing head 1, a T-shaped frame 24 for limiting the top plate 3 is slidably mounted on the upper portion of the U-shaped frame 27, a third pressure spring 25 is fixedly connected to the bottom of the T-shaped frame 24, and a bearing plate 26 fixed to the U-shaped frame 27 is fixedly connected to the third pressure spring 25.
Utilize the setting of U type frame 27 to fix bottom plate 4, avoid bottom plate 4 rotatory for accepting head 1, utilize the setting of T type frame 24 to avoid roof 3 to take place to rotate when going up and down, T type frame 24 descends to make simultaneously will extrude third pressure spring 25, has received the back that disappears when roof 3, and the elasticity of third pressure spring 25 will drive roof 3 through T type frame 24 and reset.
This practical theory of operation: firstly, connecting the bearing head 1 with a negative pressure generating device through an external extension pipeline, and then corresponding the device to a part needing to be cut;
when cutting, downward pressure is applied to the top plate 3, so that the top plate 3 moves downwards, the top plate 3 drives the T-shaped frame 24 to extrude the third pressure spring 25, and the waist rod 9 is arranged in a clockwise inclined manner, so that when the top plate 3 is pressed downwards, the top plate revolves clockwise around the negative pressure pipeline 2 and drives the lower rotating head 5 to rotate clockwise, and the cutter 7 can cut the cutting part clockwise;
when the waist bar 9 revolves, the friction arc plate 13 is driven to rotate and descend relative to the negative pressure pipeline 2, the distance between the friction arc plate 13 and the negative pressure pipeline 2 is gradually shortened until the friction arc plate is contacted with the negative pressure pipeline 2, and the second pressure spring 16 is extruded under the driving of the waist bar 9 after the friction arc plate 13 is contacted with the negative pressure pipeline 2, so that the second pressure spring 16 generates relative extrusion force on the friction arc plate 13, the friction force between the friction arc plate 13 and the negative pressure pipeline 2 is increased, and the friction arc plate 13 drives the negative pressure pipeline 2 to rotate and descend under the action of the friction force;
when the negative pressure pipeline 2 descends, the negative pressure pipeline will ascend under the action of the guide groove 22 and reach the straight line part of the guide groove 22, meanwhile, the cut pathological sample is sucked, the pathological sample blocks the negative pressure through hole 20, negative pressure is formed inside the negative pressure pipeline 2, the negative pressure sucker 19 will ascend under the action of the negative pressure, when the negative pressure sucker 19 is in contact with the sealing sleeve 17, the sealing sleeve 17 is driven to extrude the second pressure spring 16, the picking hole 15 is opened, then the pathological sample is taken out through the picking hole 15, the negative pressure through hole 20 will be unblocked, the negative pressure sucker 19 will descend under the action of gravity and slide to the bottommost part of the guide groove 22, then the force on the top plate 3 is released, the top plate 3 will reset under the action of the third pressure spring 25, and the negative pressure pipeline 2 ascends to the original position.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A kind of mammary gland pathology specimen collection device, characterized by:
the device comprises a bearing head (1) connected with an external negative pressure device, wherein a negative pressure pipeline (2) is inserted into the bottom of the bearing head (1), an auxiliary device is arranged on the outer side of the negative pressure pipeline (2), and the auxiliary device is adapted to drive the negative pressure pipeline (2) to rotate, lift and center;
the upper end and the lower end of the negative pressure pipeline (2) are respectively provided with a top plate (3) and a bottom plate (4), and the negative pressure pipeline (2) can rotate up and down relative to the top plate (3) and the bottom plate (4);
the auxiliary device comprises a waist rod (9), an upper rotating head (8) hinged to the upper end of one waist rod (9) in the horizontal direction and a lower rotating head (5) hinged to the lower end of one waist rod (9) in the horizontal direction, the number of the waist rods (9) is four, the waist rods are uniformly distributed along the circumferential direction of the negative pressure pipeline (2), and the upper ends of the waist rods (9) are positioned on the front side of the lower ends in the clockwise direction; a transmission shaft (6) is arranged at the bottom of the lower rotating head (5), the lower end of the transmission shaft (6) penetrates through the bottom plate (4) and is fixedly connected with a cutter (7) to form that the top plate (3) moves downwards, and when the waist rod (9) swings clockwise, the lower rotating head (5) rotates clockwise around the axis of the lower rotating head to drive the cutter (7) to rotate clockwise for cutting; the upper rotating head (8) is rotatably arranged at the bottom of the top plate (3).
2. The collection device of claim 1, wherein:
a sleeve body (10) is rotatably mounted on the outer side of the waist rod (9), an inserting sleeve (11) is fixedly mounted on the outer side of the sleeve body (10), an extension rod (12) is inserted into the inserting sleeve (11), one end, far away from the inserting sleeve (11), of the extension rod (12) is fixedly connected with a friction arc plate (13), a first pressure spring (14) is sleeved on the outer side of the extension rod (12), and two ends of the first pressure spring (14) are fixedly connected with the friction arc plate (13) and the inserting sleeve (11) respectively; form waist pole (9) upper end and make along clockwise swing, drive friction arc board (13) along clockwise rotation and to negative pressure pipeline (2) department removal, drive negative pressure pipeline (2) along clockwise rotation decline after friction arc board (13) and negative pressure pipeline (2) contact, and when waist pole (9) upper end anticlockwise rotation, drive friction arc board (13) along anticlockwise rotation and keep away from negative pressure pipeline (2) and remove, drive negative pressure pipeline (2) along anticlockwise rising before friction arc board (13) and negative pressure pipeline (2) separation.
3. The collection device of claim 1, wherein:
the diameter of the bottom opening of the bearing head (1) is larger than that of the top opening.
4. The collection device of claim 1, wherein:
the front side lower part of the bearing head (1) is provided with a pickup hole (15) which is through from inside to outside, the inner top of the bearing head (1) is fixedly connected with a second pressure spring (16), the bottom of the second pressure spring (16) is fixedly provided with a sealing sleeve (17) which can slide up and down, the sealing sleeve (17) is formed to rise under the action of external force to open the pickup hole (15), and the pickup hole (15) is sealed under the action of the second pressure spring (16) after the external force disappears.
5. The collection device of claim 4, wherein:
an opening at the upper end of the sealing sleeve (17) is fixedly connected with an orienting piece (18), and a polygonal through hole which is through up and down is formed in the center of the orienting piece (18).
6. The collection device of claim 1, wherein:
slidable mounting has negative pressure suction cup (19) about the inside of negative pressure pipeline (2), set up negative pressure through-hole (20) that link up from top to bottom on negative pressure suction cup (19), the top fixedly connected with polygon pole (21) of negative pressure suction cup (19), polygon pole (21) upwards extend and pass the polygon through-hole, form negative pressure through-hole (20) after blockking up, and negative pressure suction cup (19) rise along the polygon through-hole under the effect of negative pressure, and descend under the effect of weight after negative pressure through-hole (20) are separated to block up.
7. The collection device of claim 1, wherein:
the surface of the negative pressure pipeline (2) is provided with a guide groove (22), and the outer side of the negative pressure sucker (19) is provided with a guide head (23) matched with the guide groove (22).
8. The collection device of claim 7, wherein:
the guide groove (22) is divided into an arc-shaped part and a straight line part, the arc-shaped part spirally rises, and the opening at the top of the spiral arc-shaped part is communicated with the opening at the bottom of the straight line part.
9. The collection device of claim 1, wherein:
the equal fixedly connected with U type frame (27) in top both ends of bottom plate (4), the one end of bottom plate (4) is kept away from in U type frame (27) and accept first (1) fixed connection, the upper portion slidable mounting of U type frame (27) has spacing T type frame (24) to roof (3), the bottom fixedly connected with third pressure spring (25) of T type frame (24), third pressure spring (25) fixedly connected with and U type frame (27) fixed load board (26).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111147997.XA CN113729793B (en) | 2021-09-29 | 2021-09-29 | Mammary gland pathology sample collection device |
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| CN202111147997.XA CN113729793B (en) | 2021-09-29 | 2021-09-29 | Mammary gland pathology sample collection device |
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| CN113729793B CN113729793B (en) | 2023-09-01 |
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| CN113729793B (en) | 2023-09-01 |
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