CN110811699B - Tumor sample sampling device - Google Patents
Tumor sample sampling device Download PDFInfo
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- CN110811699B CN110811699B CN201911020023.8A CN201911020023A CN110811699B CN 110811699 B CN110811699 B CN 110811699B CN 201911020023 A CN201911020023 A CN 201911020023A CN 110811699 B CN110811699 B CN 110811699B
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- sampling
- needle cylinder
- sampling needle
- cutter bar
- head
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
- A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
Abstract
The invention relates to a tumor sample sampling device, which comprises a sampling needle cylinder, a sampling cutter bar, a sampling U-shaped knife, a sampling needle head and a piston ring, wherein the sampling needle bar is arranged at the upper part of the sampling needle cylinder; the sampling needle cylinder body is provided with a sampling port, one end of the sampling needle cylinder body is arranged in a closing-up shape, and the inner side of the sampling needle cylinder body is provided with a connecting thread; the sampling cutter bar is longitudinally arranged on the sampling needle cylinder in a penetrating way along the needle cylinder, and a threaded connecting column is fixedly connected with the sampling cutter bar in the same direction with one end of the sampling needle cylinder in a closing shape; the sampling U-shaped cutter is detachably connected with the threaded connecting column through threads; the sampling needle head is in a cylinder shape with a closed front end and a cutting opening at the side end, is sleeved outside the sampling U-shaped knife and is connected with the detachable thread at the closed end of the sampling needle cylinder; the piston ring is sleeved on the sampling cutter bar and is in sealing sliding connection with the inner side of the sampling needle cylinder. The invention has simple and convenient use, high sampling efficiency, short operation time, safety and reliability, and reduces the working difficulty of medical staff; and the sampling U-shaped knife and the sampling needle can be made into disposable articles, so that the use is safer.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a tumor sample sampling device.
Background
The tumor is a new organism formed by local tissue cell proliferation under the action of various tumorigenic factors, because the new organism is mostly in an occupied block-shaped protrusion, also called a neoplasm, and has different degrees from a normal tissue of an origin no matter on the cell morphology and the tissue structure, the tumor is divided into benign and malignant, not all tumors are cancer, only malignant tumors can be called as cancer, and for accurately judging the types of the tumors of a patient, the cell sampling of the diseased part of the patient needs to be analyzed, so a special tumor sampling device is needed.
In the course of oncology, it is necessary to remove diseased tissue from a patient by cutting, clamping, or puncturing, etc., to perform a pathological examination, which is referred to as biopsy. It is the most important part of the diagnosis pathology, and it can make clear histopathological diagnosis for most of the examined cases, and it is used as the final diagnosis in clinic.
However, in the prior art, the puncture sampling has the disadvantages of inconvenient operation, difficult cutting, troublesome operation, time and labor waste when the tumor biopsy cutting is performed on a patient, and increased working difficulty of medical staff, and the sample taken out after the puncture not only comprises tumor cells but also comprises partial epidermis and muscle tissues, which has a certain influence on the pureness of the sample, and the existing sampling equipment is used for a plurality of times, so that the risk of mutual infection among users exists. Further improvements are therefore needed.
Therefore, the technical personnel in the field need to provide a tumor sample sampling device which is convenient to use, quick to sample, capable of sampling tumors at different depths, low in cost, disposable to sample and use, safe and reliable, and used for overcoming the problems.
Disclosure of Invention
In view of this, the invention provides a safe and reliable tumor sample sampling device which is convenient to use and quick to sample, can sample tumors at different depths, and realizes low cost and one-time sampling.
In order to achieve the purpose, the invention adopts the following technical scheme: a tumor sample sampling device comprises a sampling needle cylinder, a sampling cutter bar, a sampling U-shaped knife, a sampling needle head and a piston ring.
The sampling needle cylinder body is provided with a sampling port, one end of the sampling needle cylinder body is arranged in a closing-up shape, and the inner side of the sampling needle cylinder body is provided with a connecting thread;
the sampling cutter bar is longitudinally arranged on the sampling needle cylinder in a penetrating manner along the needle cylinder, and a threaded connecting column is fixedly connected with the sampling cutter bar and the end, in the shape of the mouth, of the sampling needle cylinder in the same direction;
the sampling U-shaped knife is detachably connected with the threaded connecting column through threads;
the sampling needle head is in a cylinder shape with a closed front end and a cutting opening at the side end, is sleeved outside the sampling U-shaped knife and is connected with the detachable thread at the closing end of the sampling needle cylinder;
the piston ring is sleeved on the sampling cutter bar and is in sliding connection with the inner side of the sampling needle cylinder in a sealing manner.
The tumor sampling device can puncture a tumor position through the sampling needle head, the sampling cutter bar drives the sampling U-shaped cutter to rotationally cut a tumor sample at the cutting port on the sampling needle head, so that rapid sampling is realized, the pressure in the sampling needle cylinder can be ensured due to the use of a piston ring during the puncture of the sampling needle head, epidermis and muscle tissues cannot enter the sampling needle cylinder, after the tumor sample reaches the position, the sampling cutter bar is pulled to enable the tumor part to enter the cutting port, then the tumor sample is obtained by rotating the sampling U-shaped cutter, and then the tumor sample is directly taken out from the sampling port of the sampling needle cylinder without secondary pollution, so that the tumor detection is more accurate.
The invention is simple and convenient to use, and the sampling U-shaped knife and the sampling needle head are directly contacted with the human body, so that the disposable article can be manufactured, and the use is safer.
Further, the sampling U-shaped knife comprises a knife handle and a knife head;
one end of the knife handle is detachably connected with the threaded connecting column through threads;
the tool bit is U-shaped and the side edge of the tool bit is fixedly connected with the other end of the tool handle; the tool bit diameter with the sample syringe needle internal diameter is the same, tool bit open area more than or equal to cutting opening area just the tool bit opening all digs all around.
Furthermore, the handle is made of medical PVC plastic, and the tool bit is made of high-carbon steel.
By adopting the technical scheme, the inner diameters of the tool bit and the sampling needle head are the same, the tool bit can be attached to the inner surface of the sampling needle head to rotate, the tool bit is not easy to clamp and cannot cause extrusion injury of a cutting area, and the periphery of the opening of the tool bit is edged, so that rapid sampling of a tumor area is facilitated, and pain of a patient is reduced.
Furthermore, the sampling cutter bar further comprises a rotary drawing ring, the other end of the sampling cutter bar extends to the outer side of the sampling needle cylinder, the rotary drawing ring is fixed at the other end of the sampling cutter bar, the sampling cutter bar is in threaded connection with the sampling needle cylinder, and the threads are 180-degree threads.
Preferably, the outer wall of the sampling needle head and the sampling U-shaped knife are provided with scale scales.
According to the invention, the scale ruler can be arranged on the outer wall of the sampling needle head and the sampling U-shaped knife, so that accurate sampling can be effectively carried out on tumors with different depths in use.
Further, still include the sample lid, the sample lid adopts arc toughened glass to make, and one end is sealed articulated with sample connection one end, the other end with sample cylinder outer wall seal joint.
By adopting the technical scheme, the taken tumor sample can be directly observed conveniently, the sampling quality can be confirmed, and the use is more convenient.
Furthermore, the sampling device also comprises two stabilizing handles, wherein the two stabilizing handles are symmetrically fixed on the outer wall of the sampling needle cylinder and are positioned on two sides of the sampling port.
By adopting the technical scheme, when the needle cylinder is used, a user can hold the sampling needle cylinder tightly by utilizing the stable handle, and the sampling cutter bar is conveniently pulled and rotated.
The invention has the following advantages:
(1) the invention has simple and novel structure and convenient use, avoids the damage to the sample when extracting the tumor living body for a patient, does not bring into epidermis and muscle tissues, and increases the sampling accuracy.
(2) The tumor tissue sample taking device can cut the tumor tissue protruding into the cutting opening by the rotary cutting of the sampling U-shaped knife, can store the tumor tissue sample in the sampling needle cylinder, can prevent the tumor tissue from sliding off in the taking-out process, has high sampling efficiency, is safe and reliable, is simple and convenient to use, and reduces the working difficulty of medical staff.
(3) The invention can finish the cutting of the tumor tissue sample and the sample extraction at one time, has the advantages of convenient operation, short operation time and high efficiency, and is suitable for popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a tumor sample sampling device according to the present invention;
FIG. 2 is a drawing of a rear structure of a sampling knife bar of the tumor sampling device according to the present invention;
FIG. 3 is a schematic structural view of a U-shaped sampling knife of the tumor sample sampling device according to the present invention;
wherein in the figure: 1 is the sample cylinder, 11 is the sample connection, 2 is the sample cutter arbor, 21 is the threaded connection post, 22 is rotatory pull ring, 3 is sample U type sword, 31 is the handle of a knife, 32 is the tool bit, 4 is the sample syringe needle, 41 is the cutting edge, 5 is the piston ring, 6 is stable handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3: a tumor sample sampling device comprises a sampling needle cylinder 1, a sampling cutter bar 2, a sampling U-shaped knife 3, a sampling needle 4 and a piston ring 5.
The body of the sampling syringe 1 is provided with a sampling port 11, one end of the sampling syringe is arranged in a closing-up shape, and the inner side of the sampling syringe is provided with a connecting thread;
the sampling cutter bar 2 is longitudinally arranged on the sampling needle cylinder 1 in a penetrating way along the needle cylinder, and a threaded connecting column 21 is fixedly connected with the sampling cutter bar 2 and the same-direction end of the closing-up shape of the sampling needle cylinder 1;
the sampling U-shaped knife 3 is detachably connected with the threaded connecting column 21 through threads;
the sampling needle head 4 is in a cylinder shape with a closed front end and a cutting opening 41 at the side end, and the sampling needle head 4 is sleeved outside the sampling U-shaped knife 3 and is connected with a detachable thread at the closing end of the sampling needle cylinder 1;
the piston ring 5 is sleeved on the sampling cutter bar 2 and is in sealing sliding connection with the inner side of the sampling needle cylinder 1.
The tumor sampling device can be used for puncturing a tumor position through the sampling needle head 4, the sampling cutter bar 2 drives the sampling U-shaped cutter 3 to rotatably cut a tumor sample at the cutting opening 41 on the sampling needle head 4, so that rapid sampling is realized, the pressure in the sampling needle cylinder 1 can be ensured due to the use of the piston ring 5 when the sampling needle head 4 is punctured, epidermis and muscle tissues cannot enter the sampling needle cylinder 1, after the tumor sample reaches the position, the sampling cutter bar 2 is pulled to enable a tumor part to enter the cutting opening 41, then the tumor sample is obtained by rotating the sampling U-shaped cutter 3, and then the tumor sample is directly taken out from the sampling opening 11 of the sampling needle cylinder 1, so that secondary pollution cannot be caused, and the tumor detection is more accurate.
The invention is simple and convenient to use, and the sampling U-shaped knife 3 and the sampling needle 4 are directly contacted with the human body, so that the disposable article can be manufactured, and the use is safer.
In this embodiment, the sampling U-shaped knife 3 includes a knife handle 31 and a knife head 32;
in this embodiment, the cutter head 32 is angled at 180 degrees.
One end of the knife handle 31 is detachably connected with the threaded connecting column 21 through threads;
the tool bit 32 is in a U-shaped groove shape, and the side edge of the tool bit is fixedly connected with the other end of the tool handle 31; the diameter of the cutter head 32 is the same as the inner diameter of the sampling needle 4, the area of the opening of the cutter head 32 is larger than or equal to the area of the cutting opening 41, and the periphery of the opening of the cutter head 32 is edged.
In this embodiment, in order to save cost, the handle 31 is made of medical PVC plastic, and the tool bit 32 is made of high-carbon steel.
In other embodiments, the shank 31 and the cutting head 32 may be made of high carbon steel to increase strength and ensure reliability.
The inner diameters of the tool bit 32 and the sampling needle 4 are the same, the tool bit 32 can be attached to the inner surface of the sampling needle 4 to rotate, the tool bit is not easy to clamp and cannot cause extrusion injury of a cutting area, and the edges of the periphery of the opening of the tool bit 32 are cut, so that rapid sampling of a tumor area is facilitated, and pain of a patient is reduced.
In this embodiment, the sampling cutter bar 2 further includes a rotary drawing ring 22, the other end of the sampling cutter bar 2 extends to the outside of the sampling needle cylinder 1, the rotary drawing ring 22 is fixed at the other end of the sampling cutter bar 2, the sampling cutter bar 2 is in threaded connection with the sampling needle cylinder 1, and the threads are 180-degree threads.
In this embodiment, the screw thread is 180 screw threads, when sample U-shaped sword 3 and sample syringe needle 4 installation, the lower part at sample cylinder 1 is installed through rotatory 180 of sample cutter arbor 2, and sample U-shaped sword 3 is located the corresponding face of cutting opening 41 on sample syringe needle 4 this moment, and sample cutter arbor 2 is fixed on sample cylinder 1, can guarantee more stable when using, can not produce rotatoryly, when sample syringe needle 4 inserts, causes the cutting.
In other embodiments, the screw thread is a 360 ° screw thread, and when the sampling U-knife 3 and the sampling needle 4 are mounted, the sampling knife bar 2 is mounted on the lower part of the sampling cylinder 1 by rotating 180 °, and the sampling U-knife 3 is located at the position of the cutting opening 41 on the sampling needle 4. Can guarantee more stable when using, can not produce the rotation, when sample syringe needle 4 inserts, cause the cutting.
Preferably, the outer wall of the sampling needle 4 and the sampling U-shaped knife 3 are provided with scale marks.
All can set up the scale on the outer wall of sample syringe needle 4 in this embodiment and the sample U-shaped sword 3, can enough carry out the accuracy sample to the tumour of the different degree of depth effectual when using.
In other embodiments, the sampling needle 4 and the sampling U-shaped knife 3 are disposable articles, and the sampling needle 4 and the sampling U-shaped knife 3 with different lengths and thicknesses can be selected according to tumor sampling at different positions, so that the use is more convenient.
In this embodiment, still including the sample lid, the sample lid adopts arc toughened glass to make, and one end is sealed articulated with 11 one end of sample connection, the other end and the sealed joint of 1 outer wall of sample cylinder.
The tumor sample taken out is directly observed, the sampling quality is confirmed, and the use is more convenient.
In this embodiment, the sampling device further comprises two stabilizing handles 6, wherein the two stabilizing handles 6 are symmetrically fixed on the outer wall of the sampling needle cylinder 1 and are located on two sides of the sampling port 11.
When the needle sampling device is used, a user can hold the sampling needle cylinder 1 tightly by using the stable handle 6, and the sampling cutter bar 2 is convenient to pull and rotate.
In other embodiments, the stabilizing handle 6 is further provided with non-slip threads.
In this embodiment, through rotatory pull ring 22 with sample cutter arbor 2 pull out sample cylinder 1 and threaded connection post 21 has crossed piston ring 5, this has higher technical requirement to realizing sealed, needs double-deck piston ring 5, and first layer piston ring 5 is the same or interference fit with threaded connection post 21 diameter, and second layer piston ring 5 is the same or interference fit with sample cylinder 1 internal diameter.
In other embodiments, the sampling cylinder 1 can be lengthened to accommodate the sampling blade bar 2 for better use and lower specifications.
The invention has the following advantages: the invention has simple and novel structure and convenient use, avoids the damage to the sample when extracting the tumor living body for a patient, does not bring into epidermis and muscle tissues, and increases the sampling accuracy. The invention can cut the tumor tissue protruding into the cutting opening 41 by the rotary cutting of the sampling U-shaped knife 3, and can store the tumor tissue sample in the sampling needle cylinder 1, thereby preventing the tumor tissue from sliding off in the taking process.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A tumor sample sampling device is characterized by comprising
The sampling syringe (1) is provided with a sampling port (11) on the body of the sampling syringe (1), one end of the sampling syringe is arranged in a closing-up shape, and the inner side of the sampling syringe is provided with a connecting thread;
the sampling cutter bar (2) is longitudinally arranged on the sampling needle cylinder (1) in a penetrating manner along the needle cylinder, and a threaded connecting column (21) is fixedly connected with the sampling cutter bar (2) and the same-direction end of the closed end of the sampling needle cylinder (1) in the same direction;
the sampling U-shaped knife (3), the sampling U-shaped knife (3) is detachably connected with the threaded connecting column (21) in a threaded manner; the sampling cutter bar (2) further comprises a rotary drawing ring (22), the other end of the sampling cutter bar (2) extends to the outer side of the sampling needle cylinder (1), the rotary drawing ring (22) is fixed at the other end of the sampling cutter bar (2), the sampling cutter bar (2) is in threaded connection with the sampling needle cylinder (1), and the threads are 180-degree threads;
the sampling U-shaped knife (3) comprises a knife handle (31), and one end of the knife handle (31) is detachably connected with the threaded connecting column (21) in a threaded manner;
the tool bit (32) is in a U-shaped groove shape, and the side edge of the tool bit (32) is fixedly connected with the other end of the tool handle (31); the diameter of the cutter head (32) is the same as the inner diameter of the sampling needle (4), the area of the opening of the cutter head (32) is larger than or equal to the area of the cutting opening (41), and the periphery of the opening of the cutter head (32) is edged;
the sampling needle head (4) is in a cylindrical shape, the front end of the sampling needle head (4) is closed, a cutting opening (41) is formed in the side end of the sampling needle head, and the sampling needle head (4) is sleeved on the outer side of the sampling U-shaped knife (3) and is connected with a detachable thread at one end of the sampling needle cylinder (1) in a closing shape; the outer wall of the sampling needle head (4) and the sampling U-shaped knife (3) are provided with scale scales; and
the piston ring (5) is sleeved on the sampling cutter bar (2) and is in sealing sliding connection with the inner side of the sampling needle cylinder (1); the piston ring (5) is a double-layer piston ring (5), the diameter of the piston ring (5) and the diameter of the threaded connecting column (21) are the same or in interference fit, and the diameter of the inner diameter of the sampling needle cylinder (1) is the same or in interference fit, so that the piston ring (5) is arranged on the first layer.
2. The tumor sample sampling device as claimed in claim 1, wherein the handle (31) is made of medical PVC plastic, and the cutting head (32) is made of high carbon steel.
3. The tumor sample sampling device according to any one of claims 1-2, further comprising a sampling cover made of arc-shaped toughened glass, one end of the sampling cover is hermetically hinged with one end of the sampling port (11), and the other end of the sampling cover is hermetically clamped with the outer wall of the sampling needle cylinder (1).
4. A tumor sample sampling device according to claim 3, further comprising two stabilizing handles (6), wherein the stabilizing handles (6) are symmetrically fixed on the outer wall of the sampling needle cylinder (1) and are positioned at two sides of the sampling port (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020023.8A CN110811699B (en) | 2019-10-25 | 2019-10-25 | Tumor sample sampling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911020023.8A CN110811699B (en) | 2019-10-25 | 2019-10-25 | Tumor sample sampling device |
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| CN110811699A CN110811699A (en) | 2020-02-21 |
| CN110811699B true CN110811699B (en) | 2022-05-24 |
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| CN201911020023.8A Active CN110811699B (en) | 2019-10-25 | 2019-10-25 | Tumor sample sampling device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111568478A (en) * | 2020-05-25 | 2020-08-25 | 乔柱 | Tumor sampling device |
| CN112370086B (en) * | 2020-10-09 | 2023-01-31 | 安徽博奥医学基因检测有限公司 | Medical examination sampling device for tumor cells |
| CN113647996A (en) * | 2021-08-13 | 2021-11-16 | 中南大学湘雅二医院 | Centrum bone tumour sampling device |
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| DE20305093U1 (en) * | 2003-03-29 | 2003-09-11 | Heske Norbert F | Coaxial cannula with sealing element |
| CN201627911U (en) * | 2010-04-13 | 2010-11-10 | 金华市大明铝制品厂 | Piston double-layer device of straight stroke cylinder |
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| DE29910783U1 (en) * | 1999-06-18 | 1999-09-16 | Konjovic Slobodan | Slotted double tube endoscope for minimally invasive surgery for grasping and retrieving specimens |
| CN204971369U (en) * | 2015-09-25 | 2016-01-20 | 周平 | Pathology department uses sample collection ware |
| CN106333711A (en) * | 2016-09-28 | 2017-01-18 | 广西医科大学第附属医院 | Living kidney tissue puncturing sampling needle |
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