CN111568478A - Tumor sampling device - Google Patents
Tumor sampling device Download PDFInfo
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- CN111568478A CN111568478A CN202010445592.3A CN202010445592A CN111568478A CN 111568478 A CN111568478 A CN 111568478A CN 202010445592 A CN202010445592 A CN 202010445592A CN 111568478 A CN111568478 A CN 111568478A
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- sampling
- sample
- pull rod
- syringe
- needle
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
-
- 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
- A61B2010/0208—Biopsy devices with actuators, e.g. with triggered spring mechanisms
-
- 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
- A61B2010/0225—Instruments for taking cell samples or for biopsy for taking multiple samples
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention belongs to the technical field of medical machinery, and particularly relates to a tumor sampling device which comprises a sampling needle head and a sampling knife positioned inside the sampling needle head, wherein a sampling hole is formed in the sampling needle head, a placement cavity is formed in the sampling needle head, the sampling knife is arranged inside the placement cavity, the sampling knife is arranged at the left end of a first pull rod, a first pull plate is arranged at the right end of the first pull rod, the sampling needle head is arranged at the left side of an injector, a piston is arranged in a cavity body in the injector, the piston is arranged at the left end of a second pull rod, a second pull plate is arranged at the right end of the second pull rod, and a hand-holding rod is arranged on the outer wall of the injector; a plurality of sample holes that set up on the sampling needle are convenient for once only get a plurality of samples of department, have promoted the representativeness of sample greatly, and the inside sample of getting of sampling needle is taken out through the sample sword, and the inside sample of sampling needle takes out simply convenient, fast, efficient.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a tumor sampling device.
Background
Although modern medicine has been developed for decades, it is still an important problem to solve the problem of tumor, and how to overcome tumor is always the focus of research in medical field. It is well known that tumor tissue differs to a different degree from normal tissue from which it originates, both in cell morphology and tissue structure, and this difference is called heterogeneity. Specifically, the abnormal shape is the morphological expression of abnormal differentiation of the tumor, and the small abnormal shape indicates a high degree of differentiation; a large heterogeneity indicates a low degree of differentiation. In actual clinical medicine, differentiation of the size of a lesion is a major histological basis for diagnosing a tumor and determining it as benign or malignant. However, the tumor is also classified into malignant tumor and benign tumor, the pathological analysis of the tumor needs to sample the interior of the tumor, the tumor biopsy sampling for a patient can be realized through a scalpel clinically, but the wound is large, so that the patient is painful, so that most of the prior methods adopt an injector to sample, and the principle of the method is that the tumor tissue is sucked by means of negative pressure generated during the extraction of the injector.
The prior art has the following problems:
1. the syringe needle is smooth and has narrow needle cavity, and the tumor tissue is not easy to take out and separate after entering the needle cavity; inconvenience is brought to the work of the doctor;
2. only one sample can be taken at one time, and the sample is poor in representativeness.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a tumor sampling device which has the characteristics of being convenient for quickly taking out samples in a needle head and taking out a plurality of groups of samples at one time.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tumour sampling device, includes the sample syringe needle and is located the inside sample sword of sample syringe needle, be provided with the thief hole on the sample syringe needle, the inside of sample syringe needle is provided with settles the chamber, the internally mounted in settling the chamber has the sample sword, the left end at first pull rod is installed to the sample sword, first pulling plate is installed to the right-hand member of first pull rod, the left side at the syringe is installed to the sample syringe needle, install the piston in the inside cavity of syringe, the left end at the second pull rod is installed to the piston, the second pulling plate is installed to the right-hand member of second pull rod, install the holding rod on the outer wall of syringe.
Preferably, the right end of the injector is provided with a port plate, the injector is fixedly connected with a holding rod through a fixing sleeve, a rod sleeve is sleeved outside the holding rod, and the holding rod is in interference insertion connection with the rod sleeve, wherein: the holding rod is fixed on the outer wall of the injector through the fixing sleeve, the injector is held through the holding rod when the sampling is convenient, and the friction force between the hand and the holding rod is convenient to increase through the rod sleeve outside the holding rod.
Preferably, in the tumor sampling device according to the present invention, the piston is engaged with a cavity inside the syringe, the right side of the piston is fixedly connected to the left end of the second pull rod, and the right end of the second pull rod is fixedly connected to the left side of the second pull plate through a fixing base, wherein: the user pulls the second pull rod to move rightwards through the second pull plate, and the second pull rod drives the piston to move rightwards, so that negative pressure is formed inside the injector.
Preferably, in the tumor sampling device of the present invention, the right end of the sampling needle is mounted on a first connection seat arranged on the left side of the injector, the sampling needle is engaged with the first connection seat, and the left end of the sampling needle is provided with an inclined pointed shape, wherein: be convenient for be connected to the syringe with its sample syringe needle through first connection socket on, and the setting of sample syringe needle left end slope prong shape, be convenient for insert the sample position department of patient's health with the sample syringe needle.
Preferably, the tumor sampling device of the present invention is further provided with three groups of four sampling holes, the sampling holes are arranged at the same interval, and the sampling holes of each group are distributed on the sampling needle in an annular array, wherein: be convenient for insert patient's health sample position department back at the sample syringe needle, during tumour tissue entered into the chamber of settling of sample syringe needle from the sample hole position department, the sample hole of multiunit setting is convenient for once only take a sample multiunit sample, and the sample is representative high.
Preferably, in the tumor sampling device of the present invention, the sampling knife is fixedly connected to the left end of the first pull rod through the second connecting seat, the left side of the first pull plate is fixedly connected to the right end of the first pull rod through the second connecting seat, both the left and right ends of the first pull rod are in threaded connection with the second connecting seat through the threaded connector, and the first pull rod passes through the piston, the second pull rod and the through hole provided in the second pull plate, wherein: the sampling knife is conveniently connected to the first pull rod, so that the first pull rod is driven by pulling the first pull plate, the first pull rod drives the sampling knife to move inside the sampling needle head, tumor tissues entering the inside of the sampling needle head are cut off, and sampling is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the sampling needle head can be extracted from the sampling part after sampling, the sampling needle head is detached from the first connecting seat of the injector, then the sampling needle head is detached from the first pull rod, and the sample cut inside the sampling needle head is discharged under the driving of the sampling knife.
2. When the device is used, an operator holds the injector by a holding rod, inserts the sampling needle of the injector into a sampling part of a patient body, then pulls the second pulling plate by the other hand, the second pulling plate drives the piston to move rightwards in the injector through the second pulling rod, so that negative pressure is formed inside the injector and the sampling needle, tumor tissues at the sampling part enter a placing cavity inside the sampling needle from the sampling hole on the sampling needle under the action of the negative pressure, then pulls the first pulling plate by hand, the first pulling plate drives the sampling knife to move rightwards in the placing cavity inside the sampling needle through the first pulling rod, so that the tumor tissues entering the placing cavity are cut off to finish sampling, three groups of sampling holes are arranged on the sampling needle head, four sampling holes are arranged in each group, and a plurality of groups of sampling holes are arranged to facilitate one-time sampling of a plurality of groups of samples, the sample representativeness is high, and whole sampling device simple structure, and the sample operation is simple convenient, and the practicality is strong, convenient to popularize and use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the sampling knife and the first pull rod of FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view of the piston, second pull rod and second pull plate of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view of the sampling needle of FIG. 1 according to the present invention;
in the figure: 1. an injector; 2. a hand-held lever; 3. fixing a sleeve; 4. a rod sleeve; 5. a sampling needle; 6. a placement cavity; 7. a first connecting seat; 8. a sampling hole; 9. a first pull rod; 10. a sampling knife; 11. a first pulling plate; 12. a port plate; 13. a piston; 14. a second pull rod; 15. a second pulling plate; 16. a second connecting seat; 17. a threaded connector; 18. a fixed seat; 19. and (6) perforating.
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.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a tumour sampling device, including sample syringe needle 5 and be located the inside sample sword 10 of sample syringe needle 5, be provided with thief hole 8 on the sample syringe needle 5, the inside of sample syringe needle 5 is provided with settles chamber 6, the internally mounted who settles chamber 6 has sample sword 10, sample sword 10 is installed at the left end of first pull rod 9, first pulling plate 11 is installed to the right-hand member of first pull rod 9, sample syringe needle 5 installs the left side at syringe 1, install piston 13 in the inside cavity of syringe 1, piston 13 installs the left end at second pull rod 14, second pulling plate 15 is installed to the right-hand member of second pull rod 14, install holding rod 2 on syringe 1's the outer wall.
In this embodiment: when in use, an operator holds the syringe 1 by holding the rod 2, inserts the sampling needle 5 into a sampling position of a patient body, then pulls the second pulling plate 15 by the other hand, the second pulling plate 15 drives the piston 13 to move rightwards in the syringe 1 through the second pull rod 14, so that negative pressure is formed in the syringe 1 and the interior of the sampling needle 5, tumor tissue at the sampling position enters the arrangement cavity 6 in the sampling needle 5 from the sampling hole 8 on the sampling needle 5 under the action of the negative pressure, then pulls the first pulling plate 11 by hand, the first pulling plate 11 drives the sampling knife 10 to move rightwards in the arrangement cavity 6 in the sampling needle 5 through the first pull rod 9, so that the tumor tissue entering the arrangement cavity 6 is cut off to finish sampling, when the sampling needle 5 is extracted from the sampling position, the sampling needle 5 is detached from the first connecting seat 7 of the syringe 1, take off sample syringe needle 5 from first pull rod 9 again, under the drive of sample sword 10 sample syringe needle 5 inside downcut sample discharge can, a plurality of sample holes 8 that set up on the sample syringe needle 5 are convenient for once only get a plurality of samples of department, have promoted the representativeness of sample greatly, and the sample that 5 inside of sample syringe needle got is taken out through sample sword 10, the taking out of 5 inside samples of sample syringe needle is simple convenient, fast, efficient.
Specifically, the right end of the injector 1 is provided with a port plate 12, the injector 1 is fixedly connected with the holding rod 2 through a fixing sleeve 3, the outside of the holding rod 2 is sleeved with a rod sleeve 4, and the holding rod 2 is connected with the rod sleeve 4 in an interference insertion manner.
In this embodiment: the holding rod 2 is fixed on the outer wall of the injector 1 through the fixing sleeve 3, the injector 1 is held through the holding rod 2 when the sampling is convenient, and the rod sleeve 4 outside the holding rod 2 is convenient for increasing the friction force between the hand and the holding rod 2.
Specifically, the piston 13 is fitted to a cavity inside the injector 1, the right side of the piston 13 is fixedly connected to the left end of the second pull rod 14, and the right end of the second pull rod 14 is fixedly connected to the left side of the second pull plate 15 through the fixing seat 18.
In this embodiment: the user pulls the second pull rod 14 to move to the right through the second pull plate 15, and the second pull rod 14 drives the piston 13 to move to the right, so that negative pressure is formed inside the syringe 1.
Specifically, the right-hand member of sample syringe needle 5 is installed on the first connection seat 7 that 1 left side of syringe set up, and sample syringe needle 5 agrees with mutually with first connection seat 7, and the left end setting of sample syringe needle 5 is the cusp shape of slope.
In this embodiment: the sampling needle 5 is conveniently connected to the syringe 1 through the first connecting seat 7, and the left end of the sampling needle 5 is provided with an inclined pointed shape, so that the sampling needle 5 can be conveniently inserted into a sampling position of the body of a patient.
Specifically, the thief hole 8 is provided with three groups, and 8 every groups of thief holes are provided with four, and the interval is the same between 8 every groups of thief holes, and 8 every groups of thief holes are the annular array and distribute on sample syringe needle 5.
In this embodiment: be convenient for after sample syringe needle 5 inserts patient's health sample position department, during tumour tissue enters into sample syringe needle 5's arrangement chamber 6 from 8 positions in the sample hole, the sample hole 8 that the multiunit set up is convenient for once only take a sample multiunit sample, and the sample is representative high.
Specifically, sample sword 10 passes through second connecting seat 16 and the left end fixed connection of first pull rod 9, and the right-hand member fixed connection of second connecting seat 16 and first pull rod 9 is passed through to the left side of first pull plate 11, and both ends all pass through threaded connection 17 and second connecting seat 16 threaded connection about first pull rod 9, and first pull rod 9 passes the perforation 19 that sets up on piston 13, second pull rod 14 and the second pull plate 15.
In this embodiment: the sampling knife 10 is conveniently connected to the first pull rod 9, so that the first pull rod 9 is driven by pulling the first pull plate 11, the first pull rod 9 drives the sampling knife 10 to move inside the sampling needle 5, and tumor tissues entering the inside of the sampling needle 5 are cut off to finish sampling.
The working principle and the using process of the invention are as follows: when in use, an operator holds the syringe 1 by holding the rod 2, inserts the sampling needle 5 into a sampling position of a patient body, then pulls the second pulling plate 15 by the other hand, the second pulling plate 15 drives the piston 13 to move rightwards in the syringe 1 through the second pull rod 14, so that negative pressure is formed in the syringe 1 and the interior of the sampling needle 5, tumor tissue at the sampling position enters the arrangement cavity 6 in the sampling needle 5 from the sampling hole 8 on the sampling needle 5 under the action of the negative pressure, then pulls the first pulling plate 11 by hand, the first pulling plate 11 drives the sampling knife 10 to move rightwards in the arrangement cavity 6 in the sampling needle 5 through the first pull rod 9, so that the tumor tissue entering the arrangement cavity 6 is cut off to finish sampling, when the sampling needle 5 is extracted from the sampling position, the sampling needle 5 is detached from the first connecting seat 7 of the syringe 1, then the sampling needle head 5 is taken down from the first pull rod 9, and the sample cut off from the inside of the sampling needle head 5 is discharged under the driving of the sampling knife 10.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A tumor sampling device comprising a sampling needle (5) and a sampling knife (10) located inside the sampling needle (5), characterized in that: be provided with thief hole (8) on sample syringe needle (5), the inside of sample syringe needle (5) is provided with settles chamber (6), the internally mounted of settling chamber (6) has sample sword (10), the left end at first pull rod (9) is installed in sample sword (10), first pulling plate (11) are installed to the right-hand member of first pull rod (9), the left side at syringe (1) is installed in sample syringe needle (5), install piston (13) in the inside cavity of syringe (1), the left end at second pull rod (14) is installed in piston (13), second pulling plate (15) are installed to the right-hand member of second pull rod (14), install on the outer wall of syringe (1) and hold pole (2).
2. A tumor sampling device according to claim 1, wherein: the right-hand member of syringe (1) is provided with port board (12), syringe (1) is through fixed cover (3) and holding pole (2) fixed connection, the outside cover of holding pole (2) is equipped with pole cover (4), holding pole (2) and pole cover (4) interference plug-in connection.
3. A tumor sampling device according to claim 1, wherein: the piston (13) is matched with a cavity in the injector (1), the right side of the piston (13) is fixedly connected with the left end of the second pull rod (14), and the right end of the second pull rod (14) is fixedly connected with the left side of the second pull plate (15) through a fixed seat (18).
4. A tumor sampling device according to claim 1, wherein: the right-hand member of sample syringe needle (5) is installed on first connecting seat (7) that syringe (1) left side set up, sample syringe needle (5) agree with mutually with first connecting seat (7), the left end setting of sample syringe needle (5) is the cusp shape of slope.
5. A tumor sampling device according to claim 1, wherein: the sampling hole (8) are provided with three groups, just every group of sampling hole (8) is provided with four, the interval is the same between every group of sampling hole (8), just sampling hole (8) of every group are the annular array and distribute on sample syringe needle (5).
6. A tumor sampling device according to claim 1, wherein: sample sword (10) are through the left end fixed connection of second connecting seat (16) and first pull rod (9), the left side of first pull plate (11) is through the right-hand member fixed connection of second connecting seat (16) and first pull rod (9), both ends all pass through threaded connection head (17) and second connecting seat (16) threaded connection about first pull rod (9), perforation (19) that set up on piston (13), second pull rod (14) and the second pull plate (15) are passed in first pull rod (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010445592.3A CN111568478A (en) | 2020-05-25 | 2020-05-25 | Tumor sampling device |
Applications Claiming Priority (1)
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CN202010445592.3A CN111568478A (en) | 2020-05-25 | 2020-05-25 | Tumor sampling device |
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CN202010445592.3A Pending CN111568478A (en) | 2020-05-25 | 2020-05-25 | Tumor sampling device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112370086A (en) * | 2020-10-09 | 2021-02-19 | 安徽博奥医学基因检测有限公司 | Medical inspection sampling device for tumor cells |
CN114343738A (en) * | 2022-01-25 | 2022-04-15 | 重庆大学附属肿瘤医院 | A puncture sampling device for medical oncology |
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CN107773274A (en) * | 2016-08-31 | 2018-03-09 | 陈世辉 | Spiral soft tissue biopsy needle |
CN109452957A (en) * | 2019-01-13 | 2019-03-12 | 于江平 | A kind of spiral case rotary-cutting type co-axial technique biopsy needle |
CN209018806U (en) * | 2018-08-07 | 2019-06-25 | 昆明医科大学第二附属医院 | A kind of gynecological tumor sampler |
CN110811699A (en) * | 2019-10-25 | 2020-02-21 | 台州市立医院 | Tumor sample sampling device |
CN110897657A (en) * | 2020-01-12 | 2020-03-24 | 刘文明 | Tumor tissue sampling device |
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2020
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WO2015048545A1 (en) * | 2013-09-27 | 2015-04-02 | Release Medical, Inc. | Tissue incision device |
CN107773274A (en) * | 2016-08-31 | 2018-03-09 | 陈世辉 | Spiral soft tissue biopsy needle |
US20180280003A1 (en) * | 2016-08-31 | 2018-10-04 | Shihui CHEN | Spiral soft tissue biopsy needle |
CN209018806U (en) * | 2018-08-07 | 2019-06-25 | 昆明医科大学第二附属医院 | A kind of gynecological tumor sampler |
CN109452957A (en) * | 2019-01-13 | 2019-03-12 | 于江平 | A kind of spiral case rotary-cutting type co-axial technique biopsy needle |
CN110811699A (en) * | 2019-10-25 | 2020-02-21 | 台州市立医院 | Tumor sample sampling device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112370086A (en) * | 2020-10-09 | 2021-02-19 | 安徽博奥医学基因检测有限公司 | Medical inspection sampling device for tumor cells |
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 |
CN114343738A (en) * | 2022-01-25 | 2022-04-15 | 重庆大学附属肿瘤医院 | A puncture sampling device for medical oncology |
CN114343738B (en) * | 2022-01-25 | 2024-06-28 | 重庆大学附属肿瘤医院 | Puncture sampling device for oncology |
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Application publication date: 20200825 |