CN218852796U - Breast tumor puncture biopsy device - Google Patents
Breast tumor puncture biopsy device Download PDFInfo
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- CN218852796U CN218852796U CN202320182460.5U CN202320182460U CN218852796U CN 218852796 U CN218852796 U CN 218852796U CN 202320182460 U CN202320182460 U CN 202320182460U CN 218852796 U CN218852796 U CN 218852796U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The utility model discloses a breast tumour biopsy device that punctures, including cylinder, fixed block and interior pjncture needle, the fixed block is installed to the inner wall of cylinder, two sets of bearings are installed to the inner wall of cylinder, the box is installed to the one end of interior pjncture needle. The utility model discloses an install first motor and lead screw and can make medical personnel can carry out certain adjustment to the length of external pjncture needle according to the in service behavior, first motor starts, its output drives first helical gear and rotates, first helical gear rotates and will drive rather than the second helical gear of meshing and lead screw at the inner wall rotation of bearing, the lead screw rotates the slider that will make its outer wall installation and removes, the slider removes and will drive the outer felting needle removal, make medical personnel can carry out certain fine setting through the length of the external pjncture needle of the difference of patient and biopsy sample position or the difference of individual custom like this, thereby make it can more clear and accurate carry out the biopsy sample to tumor cell.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a breast tumor puncture biopsy device.
Background
The puncture sampling of tumour is usually carried out by adopting the biopsy needle, the biopsy needle is a medical instrument that is used for the purposes such as the cone tumour of multiple organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testicle, uterus, the ovary, the living tissue sampling of the taper tumour and unknown tumour etc. of body surface, absorb the cell, at the in-process of traditional biopsy needle puncture biopsy sampling, pjncture needle overlength makes medical personnel be difficult to control, and probably cause the injury to patient's healthy tissue, and sufficient tumour sample can not be adopted to the pjncture needle overlength, and the length requirement to the puncture needle according to medical personnel's difference that uses the custom also is different, consequently need develop one kind and can carry out the structure of finely tuning according to medical personnel's user demand, and then make medical personnel can more clear and accurate carry out the biopsy sampling to the tumour cell.
The prior breast tumor aspiration biopsy device has the following defects:
patent document CN213606543U discloses a breast tumor puncture biopsy implementation device based on optical navigation, and the right item of protection "includes a fixed support, a first passive positioning support, a handheld support, a biopsy gun, an identification point, a second passive positioning support, a tracker, and a passive positioning probe, and the biopsy gun can realize extraction of tumor tissues. The utility model discloses a technique such as three-dimensional image of mammary tissue rebuilds before mechanical structure cooperation art, puncture route planning, operation navigation in the art assists the doctor to carry out the puncture biopsy diagnosis of mammary gland tumour, remedies the not enough of pure manual puncture, improves the stability of puncture and the diagnostic success rate ".
However, the device for performing breast tumor aspiration biopsy based on optical navigation in the above-mentioned publications mainly considers to make up the deficiency of pure manual aspiration, and improves the stability of aspiration and the success rate of diagnosis without considering the problem that the conventional puncture needle will affect the accuracy and sampling effect of aspiration sampling due to the fact that the length of the puncture needle cannot be adjusted no matter the puncture needle is too long or too short in the using process.
Therefore, there is a need to develop a structure that can finely adjust the length of the puncture needle according to the use requirement of the medical staff, so that the medical staff can more clearly and accurately perform biopsy sampling on tumor cells.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a breast tumour aspiration biopsy device to solve the traditional pjncture needle that provides in the above-mentioned background art and can influence the degree of accuracy and the problem of sample effect of puncture sample because of unable adjustment length no matter pjncture needle overlength or short enough in the use.
In order to achieve the above object, the utility model provides a following technical scheme: a breast tumor puncture biopsy device comprises a needle cylinder, a fixed block and an inner puncture needle, wherein the fixed block is arranged on the inner wall of the needle cylinder, and two groups of bearings are arranged on the inner wall of the needle cylinder;
a first motor is installed at the top of the fixed block, a first helical gear is installed at the output end of the first motor, a sliding rod is installed on the outer wall of the fixed block, a screw rod is installed on the inner wall of the bearing in a penetrating mode, a second helical gear is installed on the outer wall of the screw rod, the first helical gear is meshed with the second helical gear, a sliding block is installed on the outer wall of the screw rod in a surrounding mode, and the sliding rod penetrates through the inner wall of the sliding block;
and a box body is arranged at one end of the inner puncture needle.
Preferably, the inner wall of the needle cylinder is provided with an outer puncture needle in a penetrating way, the sliding block is arranged on the outer wall of the outer puncture needle in a surrounding way, and the inner puncture needle is arranged on the inner wall of the outer puncture needle in a penetrating way.
Preferably, the inner wall of the inner puncture needle is provided with a groove body in a penetrating manner, the inner wall of the inner puncture needle is provided with a piston, and the outer wall of the piston is provided with a connecting rod.
Preferably, the block is installed to the inner wall of box, and the inner wall of block runs through and is equipped with spacing spout, and the inner wall of spacing spout runs through and installs the rack, and the second motor is installed to the inner diapire of box, and the body of rod is installed to the outer wall of box, and the one end of the body of rod runs through and installs in the outer wall of cylinder.
Preferably, the top of rack is installed the stopper, and the inner wall of stopper runs through and installs the multiunit universal ball.
Preferably, the output end of the second motor is provided with a third gear, and the third gear is meshed with the rack.
Preferably, the outer wall of the rod body is provided with a pressing block, the outer wall of the rod body is provided with a spring in a surrounding manner, the inner wall of the needle cylinder is provided with a stop block, and one end of the spring is connected with the outer wall of the stop block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an install first motor and lead screw and can make medical personnel carry out certain adjustment to the length of external pjncture needle according to the in service behavior, when needing to carry out the puncture biopsy sample, first motor starts, its output drives first helical gear and rotates, first helical gear rotates will drive rather than engaged with second helical gear and lead screw and rotate at the inner wall of bearing, the slider that the lead screw rotation will make its outer wall installation will move, the slider removes will drive the external puncture needle and remove, the fixed block is used for fixing first motor, the slide bar is guaranteeing that the slider can slide at its outer wall, spacing to it, make medical personnel can carry out certain fine setting through the length of external pjncture needle through the difference of patient and biopsy sampling position or the difference of individual custom like this, thereby make it can carry out the biopsy sample to tumor cell more clearly and accurately;
2. the utility model discloses an install interior pjncture needle and can reduce the possibility that tumour cell caused the pollution to healthy cell when taking out the puncture biopsy device, when taking a sample, outer puncture needle impales patient's skin and enters into patient's is internal, medical personnel press and press the piece, it passes through the body of rod and box and promotes interior pjncture needle removal, make interior pjncture needle can move the outer wall of outer puncture needle, thereby puncture tumour cell takes a sample to it, the second motor starts, the third gear revolve of its output installation, the third gear revolve drives and passes through the inner wall removal rack removal of stopper and universal ball at spacing spout rather than engaged with the rack and will drive the inner wall removal of pjncture needle including the piston through the connecting rod, the inner wall that the piston removed interior pjncture needle and produces the negative pressure, thereby can inhale the inside of cell body with tumour cell, medical personnel loosen and press the piece, the body of rod begins to kick-back through spring and dog, the body of rod is with driving the inner wall that the interior return to outer puncture needle that returns, thereby can reduce biopsy puncture biopsy device when the sample is accomplished, tumour cell causes the pollution to healthy cell and makes the possibility that tumour transfer.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic side sectional view of the present invention;
FIG. 3 is a schematic view of the inner puncture needle structure of the present invention;
FIG. 4 is a schematic structural view of the case of the present invention;
FIG. 5 is a schematic block structure of the present invention;
fig. 6 is a schematic view of the rack structure of the present invention.
In the figure: 1. a needle cylinder; 101. an outer puncture needle; 2. a fixed block; 201. a first motor; 202. a first helical gear; 203. a slide bar; 3. a bearing; 301. a screw rod; 302. a second helical gear; 304. a slider; 4. an inner puncture needle; 401. a trough body; 402. a piston; 403. a connecting rod; 5. a box body; 501. a block body; 502. a limiting chute; 503. a rack; 504. a limiting block; 505. a ball transfer unit; 6. a second motor; 601. a third gear; 7. a rod body; 701. pressing the block; 702. a spring; 703. and a stop block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Referring to fig. 1, a breast tumor biopsy device includes a needle cylinder 1, a fixing block 2 and an inner puncture needle 4, the fixing block 2 is installed on the inner wall of the needle cylinder 1, two sets of bearings 3 are installed on the inner wall of the needle cylinder 1, a box 5 is installed at one end of the inner puncture needle 4, an outer puncture needle 101 is installed on the inner wall of the needle cylinder 1 in a penetrating manner, a slider 304 is installed on the outer wall of the outer puncture needle 101 in a surrounding manner, the inner puncture needle 4 is installed on the inner wall of the outer puncture needle 101 in a penetrating manner, the breast tumor biopsy device generally adopts a biopsy needle for biopsy sampling, and the biopsy needle is a medical instrument for sampling and sucking cells of cone tumors and unknown tumors of various organs such as kidney, liver, lung, breast, thyroid, prostate, pancreas, testis, uterus, ovary and body surface, and the like, and the outer puncture needle 101 is used for sampling tumor cells by penetrating through the skin of a patient.
Referring to fig. 1 and 2, a first motor 201 is installed on the top of a fixed block 2, a first bevel gear 202 is installed at the output end of the first motor 201, a sliding rod 203 is installed on the outer wall of the fixed block 2, a screw rod 301 is installed on the inner wall of a bearing 3 in a penetrating manner, a second bevel gear 302 is installed on the outer wall of the screw rod 301, the first bevel gear 202 is meshed with the second bevel gear 302, a sliding block 304 is installed around the outer wall of the screw rod 301, and the sliding rod 203 penetrates through the inner wall of the sliding block 304.
Referring to fig. 2 and 3, and fig. 4 and 5 and 6, a groove 401 is formed on the inner wall of the inner puncture needle 4, a piston 402 is mounted on the inner wall of the inner puncture needle 4, a connecting rod 403 is mounted on the outer wall of the piston 402, a block 501 is mounted on the inner wall of the box 5, a limiting chute 502 is formed on the inner wall of the block 501, a rack 503 is mounted on the inner wall of the limiting chute 502, a second motor 6 is mounted on the inner bottom wall of the box 5, a rod 7 is mounted on the outer wall of the box 5, one end of the rod 7 is mounted on the outer wall of the syringe 1 in a penetrating manner, a limiting block 504 is mounted on the top of the rack 503, a plurality of sets of universal balls 505 are mounted on the inner wall of the limiting block 504 in a penetrating manner, a third gear 601 is mounted on the output end of the second motor 6, the third gear 601 is engaged with the rack 503, a pressing block 701 is mounted on the outer wall of the rod 7, a spring 702 is mounted on the outer wall of the rod 7 in a surrounding manner, a stopper 703 is mounted on the inner wall of the syringe 1, one end of the spring 702 is connected with the outer wall of the block 703, when sampling, the outer puncture needle 101 pierces the skin of the patient and enters the body of the patient, the medical staff presses the pressing block 701, the medical staff pushes the inner puncture needle 4 to move through the rod body 7 and the box body 5, so that the inner puncture needle 4 can move to the outer wall of the outer puncture needle 101, thereby puncturing the tumor cells to sample the tumor cells, the second motor 6 is started, the third gear 601 installed at the output end rotates, the third gear 601 rotates to drive the rack 503 engaged with the third gear to move on the inner wall of the limit chute 502 through the limit block 504 and the universal ball 505, the rack moves to drive the piston 402 to move on the inner wall of the inner puncture needle 4 through the connecting rod 403, the piston 402 moves to generate negative pressure on the inner wall of the inner puncture needle 4, thereby the tumor cells can be sucked into the groove body 401, the medical staff loosens the pressing block 701, the rod body 7 begins to rebound through the spring 702 and the stop block 703, and the rebound of the rod body 7 drives the inner puncture needle 4 to return to the inner wall of the outer puncture needle 101, so that the possibility that tumor cells pollute healthy cells and cause tumor metastasis when the puncture biopsy device is pulled out after sampling is completed can be reduced.
The working principle is that the breast tumor puncture biopsy device usually adopts a biopsy needle for biopsy sampling, the biopsy needle is a medical instrument outer puncture needle 101 which is used for sampling and sucking cells of cone tumors, unknown tumors and other biopsies of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface and the like, and is used for penetrating through the skin of a patient to sample tumor cells, when the puncture biopsy sampling is required, a first motor 201 is started, an output end of the first motor drives the first bevel gear 202 to rotate, the first bevel gear 202 rotates to drive a second bevel gear 302 engaged with the first bevel gear 302 and the screw 301 to rotate on the inner wall of a bearing 3, the screw 301 rotates to move a sliding block 304 arranged on the outer wall of the screw, the sliding block 304 moves to drive the outer puncture needle 101 to move, a fixed block 2 is used for fixing the first motor 201, a sliding rod 203 ensures that the sliding block 304 can slide on the outer wall of the sliding block and limit the sliding block and can move the sliding block while ensuring that the sliding block 304 can slide the sliding block to slide the outer wall of the sliding block 101 and the sliding block 3 to move the outer puncture needle through a third bevel gear 701 and a universal gear rack 403, so that a third bevel gear 701 can drive a sampling rack arranged on the inner wall of the outer puncture needle to move a sampling slide needle to move a sampling chute 4 and a sampling chute 4, thereby enabling a sampling rack 503 to drive a sampling rack 503 to move a sampling rack 503 so that a sampling piston to move in a sampling rack 503 so that a sampling piston 701 and a sampling rack 503 to move in a sampling rack 503 so that a sampling rack 4 and a sampling rack 503 so that a sampling piston 701 to drive a sampling piston 4 and a sampling piston 4 to move in a sampling chute 4, the piston 402 moves to enable the inner wall of the inner puncture needle 4 to generate negative pressure, so that tumor cells can be sucked into the groove body 401, the medical staff loosens the pressing block 701, the rod body 7 begins to rebound through the spring 702 and the stop block 703, and the rebound of the rod body 7 drives the inner puncture needle 4 to return to the inner wall of the outer puncture needle 101, so that the possibility that the tumor cells pollute the healthy cells and transfer the tumor when the puncture biopsy device is pulled out after sampling is completed can be reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a breast tumour aspiration biopsy device, includes cylinder (1), fixed block (2) and interior pjncture needle (4), its characterized in that: the inner wall of the needle cylinder (1) is provided with a fixed block (2), and the inner wall of the needle cylinder (1) is provided with two groups of bearings (3);
a first motor (201) is installed at the top of the fixed block (2), a first helical gear (202) is installed at the output end of the first motor (201), a sliding rod (203) is installed on the outer wall of the fixed block (2), a lead screw (301) is installed on the inner wall of the bearing (3) in a penetrating mode, a second helical gear (302) is installed on the outer wall of the lead screw (301), the first helical gear (202) is meshed with the second helical gear (302), a sliding block (304) is installed on the outer wall of the lead screw (301) in a surrounding mode, and the sliding rod (203) penetrates through the inner wall of the sliding block (304);
and a box body (5) is arranged at one end of the inner puncture needle (4).
2. The needle biopsy device for breast tumors according to claim 1, wherein: the inner wall of the needle cylinder (1) is provided with an outer puncture needle (101) in a penetrating way, the sliding block (304) is arranged on the outer wall of the outer puncture needle (101) in a surrounding way, and the inner puncture needle (4) is arranged on the inner wall of the outer puncture needle (101) in a penetrating way.
3. The needle biopsy apparatus for breast tumors according to claim 1, wherein: the inner wall of the inner puncture needle (4) penetrates through a groove body (401), the inner wall of the inner puncture needle (4) is provided with a piston (402), and the outer wall of the piston (402) is provided with a connecting rod (403).
4. The needle biopsy apparatus for breast tumors according to claim 1, wherein: block (501) are installed to the inner wall of box (5), and the inner wall of block (501) runs through and is equipped with spacing spout (502), and the inner wall of spacing spout (502) runs through and installs rack (503), and second motor (6) are installed to the inner diapire of box (5), and the body of rod (7) are installed to the outer wall of box (5), and the one end of the body of rod (7) runs through and installs in the outer wall of cylinder (1).
5. The needle biopsy device for breast tumors according to claim 4, wherein: a limiting block (504) is installed at the top of the rack (503), and a plurality of groups of universal balls (505) are installed on the inner wall of the limiting block (504) in a penetrating mode.
6. The needle biopsy device for breast tumors according to claim 4, wherein: and a third gear (601) is installed at the output end of the second motor (6), and the third gear (601) is meshed with the rack (503).
7. The needle biopsy device for breast tumors according to claim 4, wherein: the outer wall of the rod body (7) is provided with a pressing block (701), the outer wall of the rod body (7) is provided with a spring (702) in a surrounding mode, the inner wall of the needle cylinder (1) is provided with a stop block (703), and one end of the spring (702) is connected with the outer wall of the stop block (703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320182460.5U CN218852796U (en) | 2023-02-10 | 2023-02-10 | Breast tumor puncture biopsy device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320182460.5U CN218852796U (en) | 2023-02-10 | 2023-02-10 | Breast tumor puncture biopsy device |
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| CN218852796U true CN218852796U (en) | 2023-04-14 |
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| CN202320182460.5U Active CN218852796U (en) | 2023-02-10 | 2023-02-10 | Breast tumor puncture biopsy device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116784892A (en) * | 2023-05-22 | 2023-09-22 | 南昌大学第一附属医院 | Automatic synovial biopsy sampling combined device and application method thereof |
-
2023
- 2023-02-10 CN CN202320182460.5U patent/CN218852796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116784892A (en) * | 2023-05-22 | 2023-09-22 | 南昌大学第一附属医院 | Automatic synovial biopsy sampling combined device and application method thereof |
| CN116784892B (en) * | 2023-05-22 | 2023-11-03 | 南昌大学第一附属医院 | Automatic synovial biopsy sampling combined device and application method thereof |
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