CN109124695B

CN109124695B - Built-in bone tumour pathological tissue remove device in passageway

Info

Publication number: CN109124695B
Application number: CN201810935295.XA
Authority: CN
Inventors: 陈成龙; 焦玉睿; 吕智; 陈韵如
Original assignee: Second Hospital of Shanxi Medical University
Current assignee: Second Hospital of Shanxi Medical University
Priority date: 2018-08-16
Filing date: 2018-08-16
Publication date: 2021-01-05
Anticipated expiration: 2038-08-16
Also published as: CN109124695A

Abstract

The utility model provides a built-in bone tumour pathological tissue remove device of passageway, including the standpipe, built-in passageway sleeve pipe, tissue take-out pipe and passageway tail cap, all set up first through-hole in the middle of the both ends face about the standpipe, both sides all are equipped with the montant around both sides and the right part around the left part in the standpipe, the upper and lower both ends of montant all with the inside fixed connection of standpipe, the several evenly distributed's from top to bottom cross axle about fixed mounting between two montants that are located the homonymy, all through the first gear of bearing movable mounting in the middle of the cross axle, the right side that is located left first gear left side and is located the first gear on right side all is equipped with vertical screw rod, the upper and lower both ends of screw rod all with standpipe inner wall. The puncture speed and precision can be accurately controlled by the puncture device, and the condition that the puncture is inaccurate and causes additional injury to a patient in manual operation is avoided.

Description

Built-in bone tumour pathological tissue remove device in passageway

Technical Field

The invention belongs to the field of medical instruments, and particularly relates to a channel built-in bone tumor pathological tissue extraction device.

Background

The bone tissue puncture technology is a necessary diagnosis means and plays a very important role in the diagnosis and treatment of bone tumors. However, the current bone tissue puncture technology is still not perfect, after the pathological tissue is taken out, the tumor tissue oozes out from the puncture path, the oozing amount varies with the size of the intra-osseous pressure, and the oozing tumor cells form hematoma around the puncture path along with blood to form new metastasis. Especially for bone tumors with high malignancy, the risk of local tumor metastasis is high. Most of the traditional bone tissue puncture needles need manual operation by medical staff, so that errors such as inaccurate puncture position and depth and the like easily occur, and extra damage to patients easily occurs.

Disclosure of Invention

The invention provides a channel built-in bone tumor pathological tissue extraction device, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a bone tumor pathological tissue taking device with a built-in channel comprises a vertical tube, a built-in channel sleeve, a tissue taking tube and a channel tail cap, wherein a first through hole is formed in the middle of the upper end surface and the lower end surface of the vertical tube, vertical rods are arranged on the front side and the rear side of the left part and the front side and the rear side of the right part in the vertical tube, the upper end and the lower end of each vertical rod are fixedly connected with the interior of the vertical tube, a plurality of horizontal shafts which are uniformly distributed up and down are fixedly arranged between the two vertical rods on the same side, first gears are movably arranged in the middles of the horizontal shafts through bearings, vertical screw rods are arranged on the left side of the first gear and on the right side of the first gear, the upper end and the lower end of each screw rod are movably connected with bearings on the inner wall of the vertical tube, the first gears are engaged with the corresponding screw rods, a second gear is fixedly arranged at the upper end of the screw rod and meshed and matched with the first ring gear, a second ring gear is fixedly arranged at the bottom of the first ring gear and coaxial with the first ring gear, the tooth of the second ring gear faces downwards, a second through hole is formed in the side surface of the vertical pipe close to the upper end, a transverse micro motor is fixedly arranged at the outer end of the second through hole, the end part of an output shaft of the micro motor penetrates through the second through hole and is positioned inside the vertical pipe, a third gear is fixedly arranged at the end part of the output shaft of the micro motor and meshed and matched with the second ring gear, threads are arranged on the upper half part of the inner wall and the outer wall of the built-in channel sleeve, an external thread is arranged on the tissue taking-out pipe, the built-in channel sleeve is positioned inside the vertical pipe and coaxial with the central line of the vertical pipe, the external thread of the built-in channel sleeve is meshed and, the lower end of the tissue taking-out tube is fixedly provided with a tapered needle head, the side surface of the tissue taking-out tube close to the lower end is provided with a tissue collecting hole, the tapered needle head is positioned outside the lower end of the built-in channel sleeve, the tissue collecting hole is positioned inside the lower end of the built-in channel sleeve, the tail cap can be arranged at the upper end of the built-in channel sleeve and comprises a column cap, a circular plate and two insert blocks, the circular plate is fixedly arranged at the upper end of the column cap, the two insert blocks are symmetrically arranged at the front side and the rear side of the upper end of the column cap, slots matched with the insert blocks.

The device for taking out pathological tissue of bone tumor with built-in channel is characterized in that the opening of the tissue collecting hole is provided with two cutting edges, and the two cutting edges are positioned at two sides of the opening of the corresponding tissue collecting hole.

According to the bone tumor pathological tissue extraction device with the built-in channel, the lower end in the tissue extraction tube is provided with the piston column, the upper end of the piston column is fixedly provided with the pull rod, and the upper end of the pull rod is positioned outside the upper end of the tissue extraction tube.

According to the bone tumor pathological tissue taking device with the built-in channel, the upper end of the tissue taking-out tube is sleeved with the ring, the inner ring of the ring is provided with the internal thread, the internal thread of the ring is matched with the external thread of the tissue taking-out tube, the upper portion of the upper end of the tissue taking-out tube is provided with the cross rod, blind holes are symmetrically formed in the left side and the right side of the top surface of the ring, third through holes are symmetrically formed in the two sides of the inner ring of the ring, one end of each third through hole is communicated with the lower end of the corresponding blind hole, vertical inserting rods are arranged in the blind holes, the lower ends of the inserting rods are fixedly connected with the inner bottoms of the corresponding blind holes through springs, the upper ends of the inserting rods are fixedly connected with the bottoms of the cross rods, pressing rods are arranged in the third through holes, one ends of the pressing rods are hinged to the side portions of the lower ends of the corresponding inserting.

The device for taking out pathological tissues of bone tumors in the channel is characterized in that the side part of the vertical tube is fixedly provided with the grabbing rod.

According to the bone tumor pathological tissue extraction device with the built-in channel, the outer end of the grabbing rod is fixedly connected with the end part of the mechanical arm.

According to the device for taking out the pathological tissue of the bone tumor with the built-in channel, the limiting rings are fixedly sleeved on the peripheries of the two ends of the first gear, and the outer ends of the limiting rings can be in contact fit with the outer wall of the built-in channel sleeve.

The invention has the advantages that: when the invention works, the conical needle head is firstly aligned to the position needing puncturing, the position of the vertical pipe is fixed, then the micro motor is meshed with the second ring gear through the third gear to be matched to drive the first ring gear to rotate, the first ring gear can drive the two screws to simultaneously rotate through being matched with the second gear, the screws drive the corresponding first gears to rotate, the rotation of the plurality of first gears can drive the built-in channel sleeve to move, the tissue taking-out pipe and the conical needle head synchronously move along with the built-in channel sleeve and penetrate into a tumor part after penetrating through skin, subcutaneous tissue, cortex lycii tissue and cancellous bone, then the micro motor stops rotating to control the rotation of the tissue taking-out pipe, the lower end of the tissue taking-out pipe and the conical needle head continue to penetrate into the tumor tissue under the matching action of the threads, the tissue collecting hole can scrape pathological tissues of the tumor while the tissue rotates, then the tissue taking-out tube is reversely received in the built-in channel sleeve, the tissue taking-out tube can be taken out by continuously reversing the tissue taking-out tube, the tissue taking-out tube is taken out from the first through hole at the upper part, then the micro motor continuously rotates, meanwhile, the vertical tube moves upwards, the built-in channel sleeve can leave the vertical tube from the first through hole at the lower part through the operation, then the channel tail cap is arranged at the upper end of the built-in channel sleeve, the built-in channel sleeve is screwed in through the channel tail cap until the upper end of the built-in channel sleeve completely enters subcutaneous tissue, the puncture access can be blocked through the built-in channel sleeve, the diffusion of tumor tissue is prevented, the oozing tumor cells can be prevented from forming hematoma around the puncture access along with blood, new transfer is formed, if the obtained pathological tissue is not satisfied or more pathological tissues are needed, the channel tail cap can be opened and screwed in the, the invention can accurately control the speed and precision of puncture by puncturing, and avoid the condition of causing additional injury to patients due to inaccurate puncture in manual operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic structural view of a channel tail cap; FIG. 3 is an enlarged view of a cross-sectional view taken along line A-A of FIG. 1; FIG. 4 is a schematic view of the installation of the internal passageway sleeve with the passageway tail cap; FIG. 5 is an enlarged view of a portion I of FIG. 1; FIG. 6 is a partial enlarged view of section II of FIG. 1; FIG. 7 is a partial enlarged view of section III of FIG. 1; FIG. 8 is a state diagram of the use of the present invention; FIG. 9 is a state diagram of the use of the present invention; fig. 10 is a state diagram of the use of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A bone tumor pathological tissue taking-out device with a built-in channel is shown in the figure, and comprises a vertical tube 1, a built-in channel sleeve 8, a tissue taking-out tube 9 and a channel tail cap 2, wherein first through holes 3 are respectively formed in the middles of the upper end surface and the lower end surface of the vertical tube 1, vertical rods 4 are respectively arranged on the front side and the rear side of the left part and the front side and the rear side of the right part in the vertical tube 1, the upper end and the lower end surface of each vertical rod 4 are fixedly connected with the inside of the vertical tube 1, a plurality of horizontal shafts 5 which are uniformly distributed up and down are fixedly arranged between the two vertical rods 4 positioned on the same side, a first gear 6 is movably arranged in the middle of each horizontal shaft 5 through a bearing, vertical screw rods 7 are respectively arranged on the left side of a first gear 6 on the left side and the right side of the first gear 6, the upper end and, the teeth of the first ring gear 10 face inwards, the outer ring of the first ring gear 10 is movably connected with the inner wall of the standpipe 1 through a bearing, a second gear 11 is fixedly installed at the upper end of the screw rod 7, the second gear 11 is meshed and matched with the first ring gear 10, a second ring gear 12 is fixedly installed at the bottom of the first ring gear 10, the second ring gear 12 is coaxial with the first ring gear 10, the teeth of the second ring gear 12 face downwards, a second through hole 13 is formed at the side surface of the standpipe 1 close to the upper end, a transverse micro motor 14 is fixedly installed at the outer end of the second through hole 13, the end of an output shaft of the micro motor 14 passes through the second through hole 13 and is located inside the standpipe 1, a third gear 15 is fixedly installed at the end of the output shaft of the micro motor 14, the third gear 15 is meshed and matched with the second ring gear 12, threads are arranged on the upper half parts of the inner wall and the outer wall of the built-in, the external thread of the built-in channel sleeve 8 is engaged and matched with the corresponding first gear 6, the tissue taking-out tube 9 is positioned inside the built-in channel sleeve 8, the external thread of the tissue taking-out tube 9 is matched with the internal thread of the built-in channel sleeve 8, the lower end of the tissue taking-out tube 9 is fixedly provided with a conical needle head 33, the side surface of the tissue taking-out tube 9 close to the lower end is provided with a tissue collecting hole 16, the conical needle head 33 is positioned outside the lower end of the built-in channel sleeve 8, the tissue collecting hole 16 is positioned inside the lower end of the built-in channel sleeve 8, the tail cap 2 can be arranged at the upper end of, the circular plate 202 and the two insertion blocks 203, the circular plate 202 is fixedly installed at the upper end of the column cap 201, the two insertion blocks 203 are symmetrically installed at the front side and the rear side of the upper end of the column cap 201, the front side and the rear side of the upper end of the built-in channel sleeve 8 are provided with insertion grooves 31 matched with the insertion blocks 203, and the top surface of the circular plate 202 is provided with a line slot 32. When the invention works, firstly, the conical needle 33 is aligned to a position to be punctured, the position of the standpipe 1 is fixed, then the micro motor 14 is meshed with the second ring gear 12 through the third gear 15 to drive the first ring gear 10 to rotate, the first ring gear 10 can drive the two screws 7 to simultaneously rotate through the matching with the second gear 11, the screws 7 drive the corresponding first gears 6 to rotate, the rotation of the plurality of first gears 6 can drive the built-in channel sleeve 8 to move, the tissue taking-out tube 9 and the conical needle 33 synchronously move along with the built-in channel sleeve 8 and penetrate into a tumor part after penetrating through skin 34, subcutaneous tissue 35, cortex lycii tissue 36 and cancellous bone 37 (as shown in figure 8), then the micro motor 14 stops rotating to control the tissue taking-out tube 9 to rotate, and under the matching effect of threads, the lower end of the tissue taking-out tube 9 and the conical needle 33 continuously penetrate into tumor tissue (as shown in figure 9), the tissue collecting hole 16 can scrape pathological tissues of the tumor while the tissue taking-out tube 9 rotates, then the tissue taking-out tube 9 is reversely put into the built-in channel sleeve 8, the tissue taking-out tube 9 can be taken out by continuously reversing the tissue taking-out tube 9, then the tissue taking-out tube 9 is taken out from the first through hole 3 at the upper part, then the micro motor 14 continuously rotates, and meanwhile the standpipe 1 moves upwards, the built-in channel sleeve 8 can be separated from the standpipe 1 from the first through hole 3 at the lower part by the operation, then the channel tail cap 2 is arranged at the upper end of the built-in channel sleeve 8, the built-in channel sleeve 8 is screwed in by the channel tail cap 2 until the upper end of the built-in channel sleeve 8 completely enters subcutaneous tissues 35 (as shown in figure 10), the puncture path can be blocked by the built-in channel sleeve 8, the tumor tissue is prevented from diffusing, and the formation of hematoma around the puncture, a new transfer is formed, if the obtained pathological tissues are not satisfied or more pathological tissues are needed, the channel tail cap 2 can be opened and screwed into the tissue taking-out tube 9 again to scrape the tissues, so that the complications such as lesion tissue bleeding and repeated injury caused by re-puncture are avoided, the speed and the precision of puncture can be accurately controlled by puncturing, and the condition that additional injury is caused to a patient due to inaccurate puncturing during manual operation is avoided.

Specifically, as shown in the drawings, the aperture of the tissue collection hole 16 of the present embodiment is provided with two cutting edges 17, and the two cutting edges 17 are located at two sides of the aperture of the corresponding tissue collection hole 16. By rotating the tissue removal tube 9, the cutting edge 17 can more easily scrape tumor tissue.

Specifically, as shown in the drawing, the tissue extraction tube 9 of the present embodiment is provided with a piston column 18 at the inner lower end thereof, a pull rod 19 is fixedly mounted on the upper end of the piston column 18, and the upper end of the pull rod 19 is located outside the upper end of the tissue extraction tube 9. When tumor tissue sampling is carried out, the piston column 18 is driven to move upwards by pulling the pull rod 19, and at the moment, partial tumor tissue can be sucked into the tissue collecting hole 16 by reducing the air pressure in the lower end of the tissue taking-out tube 9, so that the tissue collecting hole 16 can further facilitate scraping of the tumor tissue.

Further, as shown in the figure, a circular ring 20 is sleeved on the upper end of the tissue extraction tube 9, an inner ring of the circular ring 20 is provided with an internal thread, the internal thread of the circular ring 20 is matched with an external thread of the tissue extraction tube 9, a cross rod 21 is arranged on the upper portion of the upper end of the tissue extraction tube 9, blind holes 22 are symmetrically arranged on the left side and the right side of the top surface of the circular ring 20, third through holes 23 are symmetrically arranged on the two sides of the inner ring of the circular ring 20, one end of each third through hole 23 is communicated with the lower end of the corresponding blind hole 22, vertical inserted rods 24 are arranged in the blind holes 22, the lower ends of the inserted rods 24 are fixedly connected with the inner bottoms of the corresponding blind holes 22 through springs 25, the upper ends of the inserted rods 24 are fixedly connected with the bottoms of the cross rods 21, pressure rods 26 are arranged in the third through holes 23, one end of each pressure rod 26 is hinged with the lower end side of the corresponding inserted, the upper end of the pull rod 19 is fixedly connected with the cross rod 21. Can drive pull rod 19 through rotating ring 20 and reciprocate, thereby drive piston post 18 and remove, make things convenient for the control of staff to piston post 18 position, when pressing down horizontal pole 21, inserted bar 24 moves down and drives corresponding depression bar 26 through corresponding connecting rod 27 and remove, the antiskid line of the other end of depression bar 26 closely laminates with the lateral surface of organizing out the takeout tube 9, ring 20 can not organize the takeout tube 9 relatively and rotate this moment, can rotate organizing out tube 9 this moment, the rotation of taking out tube 9 can be organized with the control through the position of control piston post 18 that this wonderful design can be convenient, make things convenient for staff's operation.

Furthermore, as shown in the figure, the side of the standpipe 1 is fixedly provided with a grab bar 28. The operator can conveniently hold the invention by the grab bar 28 to perform the tumor tissue extraction operation.

Further, as shown, the outer end of the grasping rod 28 according to the present embodiment is fixedly connected to the end of the robot arm 29. The position and the angle of the invention are controlled by the mechanical arm 29, so that the bone tissue of the patient can be punctured more accurately, and the serious damage to the patient caused by misoperation is avoided.

Furthermore, as shown in the drawings, the peripheries of both ends of the first gear 6 in the embodiment are fixedly sleeved with the limiting rings 30, and the outer ends of the limiting rings 30 can be in contact fit with the outer wall of the built-in channel sleeve 8. The position of the built-in channel sleeve 8 can be limited by the limiting rings 30, so that the built-in channel sleeve can not incline at an angle in the process of moving down and transferring the built-in channel sleeve into bone tissues, and the accuracy of operation is ensured.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A bone tumor pathological tissue taking device with a built-in channel is characterized in that: comprises a vertical pipe (1), a built-in channel sleeve (8), a tissue taking-out pipe (9) and a channel tail cap (2), wherein a first through hole (3) is formed in the middle of the upper end surface and the lower end surface of the vertical pipe (1), vertical rods (4) are arranged on the front side and the rear side of the left part and the front side and the rear side of the right part in the vertical pipe (1), the upper end and the lower end of each vertical rod (4) are fixedly connected with the inside of the vertical pipe (1), a plurality of vertical shafts (5) which are uniformly distributed up and down are fixedly arranged between the two vertical rods (4) on the same side, a first gear (6) is movably arranged in the middle of each horizontal shaft (5) through a bearing, vertical screw rods (7) are arranged on the left side of the first gear (6) on the left side and the right side of the first gear (6), the upper end and the lower end of each screw rod (7, a first ring gear (10) is arranged in the vertical pipe (1) close to the upper end, teeth of the first ring gear (10) face inwards, the outer ring of the first ring gear (10) is movably connected with the inner wall of the vertical pipe (1) through a bearing, a second gear (11) is fixedly installed at the upper end of the screw rod (7), the second gear (11) is meshed and matched with the first ring gear (10), a second ring gear (12) is fixedly installed at the bottom of the first ring gear (10), the second ring gear (12) is coaxial with the first ring gear (10), teeth of the second ring gear (12) face downwards, a second through hole (13) is formed in the side surface of the vertical pipe (1) close to the upper end, a transverse micro motor (14) is fixedly installed at the outer end of the second through hole (13), the end of an output shaft of the micro motor (14) penetrates through the second through hole (13) and then is located in the vertical pipe (1), and a third gear (15) is fixedly installed, the third gear (15) is meshed and matched with the second ring gear (12), the upper half part of the inner wall and the outer wall of the built-in channel sleeve (8) is provided with threads, the tissue taking-out pipe (9) is provided with external threads, the built-in channel sleeve (8) is positioned in the vertical pipe (1) and is coaxial with the central line of the vertical pipe, the external threads of the built-in channel sleeve (8) are meshed and matched with the corresponding first gear (6), the tissue taking-out pipe (9) is positioned in the built-in channel sleeve (8), the external threads of the tissue taking-out pipe (9) are matched with the internal threads of the built-in channel sleeve (8), the lower end of the tissue taking-out pipe (9) is fixedly provided with a conical needle head (33), the side surface of the tissue taking-out pipe (9) is provided with a tissue collecting hole (16) close to the lower end, the conical needle head (33) is positioned, the tail cap (2) can be installed at the upper end of the built-in channel sleeve (8), the tail cap (2) comprises a column cap (201), a circular plate (202) and two insertion blocks (203), the circular plate (202) is fixedly installed at the upper end of the column cap (201), the two insertion blocks (203) are symmetrically installed on the front side and the rear side of the upper end of the column cap (201), slots (31) matched with the insertion blocks (203) are formed in the front side and the rear side of the upper end of the built-in channel sleeve (8), and a line slot (32) is formed in the top surface of the circular plate (.

2. The device for taking out pathological tissue of bone tumor with built-in channel as claimed in claim 1, wherein: the opening of the tissue collecting hole (16) is provided with two cutting edges (17), and the two cutting edges (17) are positioned at two sides of the opening of the corresponding tissue collecting hole (16).

3. The device for taking out pathological tissue of bone tumor with built-in channel as claimed in claim 1, wherein: the tissue taking-out tube (9) is internally provided with a piston column (18) at the lower end, the upper end of the piston column (18) is fixedly provided with a pull rod (19), and the upper end of the pull rod (19) is positioned outside the upper end of the tissue taking-out tube (9).

4. The device for removing pathological tissue of bone tumor with built-in channel as claimed in claim 3, wherein: the tissue extraction tube (9) is sleeved with a ring (20), inner threads are arranged on an inner ring of the ring (20), the inner threads of the ring (20) are matched with outer threads of the tissue extraction tube (9), a cross rod (21) is arranged on the upper portion of the upper end of the tissue extraction tube (9), blind holes (22) are symmetrically formed in the left side and the right side of the top surface of the ring (20), third through holes (23) are symmetrically formed in the two sides of the inner ring of the ring (20), one end of each third through hole (23) is communicated with the lower end of the corresponding blind hole (22), vertical insertion rods (24) are arranged in the blind holes (22), the lower ends of the insertion rods (24) are fixedly connected with the inner bottom of the corresponding blind holes (22) through springs (25), the upper ends of the insertion rods (24) are fixedly connected with the bottom of the cross rods (21), compression rods (26) are arranged in the third through holes (23), one end of each compression rod (26) is hinged with the side portion of the corresponding lower end of, the other end of the pressure lever (26) is provided with anti-skid grains which can be contacted and matched with the outer side surface of the tissue taking-out tube (9), and the upper end of the pull rod (19) is fixedly connected with the cross rod (21).

5. The device for taking out pathological tissue of bone tumor with built-in channel as claimed in claim 1, wherein: and a grabbing rod (28) is fixedly arranged on the side part of the vertical pipe (1).

6. The device for removing pathological tissue of bone tumor with built-in channel as claimed in claim 5, wherein: the outer end of the grabbing rod (28) is fixedly connected with the end part of the mechanical arm (29).

7. The device for taking out pathological tissue of bone tumor with built-in channel as claimed in claim 1, wherein: the limiting ring (30) is fixedly sleeved on the peripheries of the two ends of the first gear (6), and the outer end of the limiting ring (30) can be in contact fit with the outer wall of the built-in channel sleeve (8).