CN108680396B - Biological sample collection expander - Google Patents
Biological sample collection expander Download PDFInfo
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- CN108680396B CN108680396B CN201810493368.4A CN201810493368A CN108680396B CN 108680396 B CN108680396 B CN 108680396B CN 201810493368 A CN201810493368 A CN 201810493368A CN 108680396 B CN108680396 B CN 108680396B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a biological sample collecting expander which can be used for carrying out expansion adjustment on different biological sample extracting channels and is convenient for sample extraction, and is characterized in that one end of a screw rod is vertically arranged in the middle of an adjusting knob, one end of a hollow rod is arranged at the other end of the screw rod, a rotary sleeve is arranged between the hollow rod and the screw rod, the screw rod is of a hollow structure and is communicated with the hollow rod, a rotary sleeve is sleeved on the screw rod, threads are formed on the inner wall and the outer wall of the rotary sleeve, the threads of the inner wall of the rotary sleeve are in threaded connection with the screw rod, a rotary disc is arranged on the rotary sleeve, knurls are arranged on the outer edge of the rotary disc, a fixing sleeve is in threaded connection with the outer wall of the rotary sleeve, a circle of knurls is arranged on the outer wall of the fixing sleeve, a compression sleeve is sleeved on the rotary sleeve, the compression sleeve is positioned between the fixing sleeve and the rotary disc, and a fixing groove is formed on the fixing sleeve.
Description
Technical Field
The invention discloses a biological sample collection expander, relates to a sample collection channel expander for collecting in-vivo samples of biological samples during biological research, and belongs to the field of bioengineering. In particular to an expander which can carry out expansion adjustment aiming at different biological sample extraction channels and is convenient for sample extraction.
Background
At present, in the biological research process, in order to research physique, structural components, pathological changes and the like of animals and plants, sample collection needs to be carried out on different biological samples, and further observation and research are carried out, especially in the environments of food supervision, poultry cultivation, environmental research and the like, the sample collection and detection are required to be carried out on living animals, when the samples are collected and extracted, the samples are directly sampled in a wiping mode, the collected samples are smaller and are not suitable for biological research and observation, and the sample detection is carried out, the sample collection of the corresponding living animals is carried out from multiple directions, so that the sample coverage is comprehensive, the research result is more reliable, the sample collection is carried out in an extraction mode, the extraction pipe is fully enclosed in a sample body box outside an extraction channel due to the activity of the biological samples, so that the extraction channel is blocked, the sample is influenced, and when the animal intestinal canal is sampled, the extraction pipe is discharged and falls off due to peristaltic motion, the further collection of the sample is influenced, and the existing collection pipe is directly led into a gastric cavity, the body is led into the animal body when the animal body is damaged;
publication number CN105726068A discloses a liquid sample collector, which comprises a handle, a collecting head connected to the lower end of the handle, and a dyeing piece for displaying the sample collecting condition, wherein the handle comprises an upper holding section and a lower connecting section, an adhesive layer is arranged between the connecting section and the collecting head, and the connecting section is at least partially of a transparent structure; the dyeing piece is of a thin structure, and the bonding layer is coated on the upper surface and the side surface of the dyeing piece; the invention discloses a device for collecting liquid, which is characterized in that the lower surface of a staining piece is provided with an isolation layer capable of preventing a sample in the staining piece from penetrating into a collecting head, and a liquid inlet for the sample to flow into the staining piece is arranged on the isolation layer.
Disclosure of Invention
In order to improve the situation, the biological sample collection expander provided by the invention can be used for expanding and adjusting different biological sample extraction channels, so that the sample extraction is facilitated.
The biological sample collection expander is realized by the following steps: the invention relates to a biological sample collection expander which consists of an adjusting knob, a rotating disc, a compression spring, a rotary joint sleeve, a fixed sleeve, a hollow rod, an expansion rod, a sampling hole, a fixed groove, knurling and a screw rod, wherein one end of the screw rod is vertically arranged at the middle position of the adjusting knob;
the expansion rod is a screw rod and is of a conical screw structure;
the surface of the expansion rod is coated with a layer of aluminum oxide ceramic coating, and the sampling hole is arranged at the other end of the hollow rod.
The invention also relates to a collection method by utilizing the biological sample collection expander, which is characterized in that when the biological sample collection expander is used, an external extraction pipe is communicated with a hollow area of a screw rod, so that the extraction pipe, the hollow pipe and a sampling hole are communicated, then a rotary disk is rotated, a rotary sleeve is driven to rotate through the rotary disk, and the rotary sleeve is screwed in along a fixed sleeve, so that a compression spring is compressed, when the space between the fixed sleeve and the rotary disk is gradually reduced, the expansion rod is stretched and extended and attached to the hollow rod, at the moment, the passing area of the expansion rod is minimum, the hollow rod extends into an intestinal tract or esophagus in a living body, then an adjusting knob is rotated, so that the screw rod is rotated along the inner wall of the rotary sleeve, the hollow rod is pushed to move through the rotation of the adjusting knob, the extending distance of the hollow rod is adjusted, so that the distance between the other end of the hollow rod and the fixed sleeve is gradually reduced, meanwhile, the space between the two ends of the expansion rod is synchronously reduced, the section of the expansion rod is gradually increased, the living body is supported and expanded, so that a channel is formed, the section of the expansion rod is gradually rotates, the expansion rod is gradually, and the section is bigger, and simultaneously, the expansion body is contracted, the flexible, the expansion rod is coated and the volume is gradually, the inner body, the expansion rod is wrapped, the inner body is compressed, the inner body, the hollow rod is made to pass through the fixed sleeve, and the sampling hole, and the hollow rod is further, the sample is filled through the fixed, and the hollow pipe, and the sample collection pipe is made to be filled.
Has the beneficial effects of.
1. Simple structure, convenience and practicality.
2. Can relieve pain caused by sample extraction to living body.
3. The collection device can be prevented from being discharged from the living body.
4. Can improve the collection efficiency and is suitable for different living bodies.
Drawings
Fig. 1 is a perspective view of a biological sample collection extender of the present invention.
Fig. 2 is a schematic view showing a structure of a biological sample collection extender in a use state of the present invention, which shows only a state in a living body.
Fig. 3 is a schematic view showing a structure of a biological sample collection expander in a use state of the present invention, which shows only a state of expanding in a living body.
In the accompanying drawings
Wherein the parts are as follows: the adjustable rotary table comprises an adjusting knob (1), a rotary table (2), a compression spring (3), a rotary joint sleeve (4), a fixed sleeve (5), a hollow rod (6), an expansion rod (7), a sampling hole (8), a fixed groove (9), knurling (10), a screw (11) and a living body (12)
The specific embodiment is as follows:
the invention discloses a biological sample collecting expander, which is realized by an adjusting knob (1), a rotating disc (2), a compression spring (3), a screwing sleeve (4), a fixing sleeve (5), a hollow rod (6), an expanding rod (7), a sampling hole (8), a fixing groove (9), knurls (10) and a screw rod (11), wherein one end of the screw rod (11) is vertically arranged at the middle part of the adjusting knob (1), one end of the hollow rod (6) is arranged at the other end of the screw rod (11), a screwing sleeve is arranged between the hollow rod (6) and the screw rod (11), the screw rod (11) is of a hollow structure and is communicated with the hollow rod (6), the screwing sleeve (4) is sleeved on the screw rod (11), the inner wall and the outer wall of the screwing sleeve (4) are provided with threads, the threads of the inner wall of the screwing sleeve (4) are in threaded connection with the screw rod (11), the rotating disc (2) is arranged on the screwing sleeve (4), the outer edge of the rotating disc (2) is provided with knurls (10), the fixing sleeve (5) is in threaded connection with the outer wall (4), the fixing sleeve (5) is arranged between the fixing sleeve (5) and the fixing sleeve (5) is arranged on the fixing sleeve (5), one end of the expansion rod (7) is fixed in the fixed groove (9), the other end of the expansion rod is wound on the hollow rod (6) and is connected with the other end of the hollow rod (6), the expansion rod (7) is a spiral rod and is of a conical spiral structure, the surface of the expansion rod (7) is coated with a layer of aluminum oxide ceramic coating, and the sampling hole (8) is arranged at the other end of the hollow rod (6).
The invention also relates to a collection method by using the biological sample collection expander, which is characterized in that when the biological sample collection expander is used, the hollow area of an external extraction tube and a screw rod (11) are communicated, so that the extraction tube, the hollow tube and a sampling hole (8) are communicated, then a rotary disk (2) is rotated, a rotary joint sleeve (4) is driven by the rotary disk (2) to rotate, and is screwed in along a fixed sleeve (5), a compression spring (3) is pressed, when the distance between the fixed sleeve (5) and the rotary disk (2) is gradually reduced, an expansion rod (7) is pulled to extend and is attached to the hollow rod (6), at the moment, the passing area of the expansion rod (7) is minimum, the hollow rod (6) is stretched in along an intestinal tract, an esophagus and the like in a living body, then an adjusting knob (1) is rotated, so that the adjusting rotation is carried out along the inner wall of the rotary joint sleeve through the screw rod (11), the hollow rod (6) is pushed to move through the rotation of the adjusting knob (1), the extension distance of the hollow rod (6) is adjusted, the expansion rod (7) is enabled to be gradually reduced, the distance between the other end of the hollow rod (6) and the fixed sleeve (5) is gradually reduced, the support channel (7) is gradually reduced along with the gradual expansion of the expansion rod (7), the expansion rod is gradually reduced, the section is gradually and the expansion rod (7) is gradually enlarged, the section is gradually, the section-enlarged, and the expansion rod (1 is gradually increases, and the section is gradually enlarged, simultaneously, the contraction elasticity of the living body (12) wraps and fixes the expansion rod (7), the expansion rod (7) is wrapped in the living body to form fixation, the expansion rod (7) is prevented from being removed, then fine adjustment is carried out through the rotary fixing sleeve (5), the compression spring (3) which is enabled by the rotation of the fixing sleeve (5) is stretched, then a small amount of expansion of the expansion rod (7) is enabled through the fixing groove (9), then the extraction pipe is used for extracting, in-vivo sample effusion is collected through the sampling hole (8) and enters the hollow rod (6), then the hollow part of the screw rod (11) enters the extraction pipe to collect, after collection is completed, the adjusting knob (1) is rotated, the hollow rod (6) is enabled to extend and pull the expansion rod (7) to stretch out, after the section is reduced, the aluminum oxide ceramic coating coated on the outer wall of the expansion rod (7) can reduce friction between the expansion rod (7) and the living body (12), the hollow rod (6) is enabled to smoothly enter the living body, and the coating of other materials is coated on the outer wall of the expansion rod (7) when the expansion rod is used, and the effect is poor;
the expansion rod (7) is of a conical spiral structure, so that expansion of a flesh body can be gradually expanded, pain of a living body caused by expansion of a large opening degree is avoided, the expansion rod (7) is of a conical spiral structure and is replaced by other structures, when the expansion rod is used, the pain of the living body is greatly improved due to the large expansion opening degree, the collection efficiency of a biological living body sample is further influenced, and the collection efficiency is reduced;
the purpose of collecting and expanding biological samples is achieved.
Claims (4)
1. A biological sample collection extender, characterized by: consists of an adjusting knob, a rotating disk, a compression spring, a spin-on sleeve, a fixed sleeve, a hollow rod, an expansion rod, a sampling hole, a fixed groove, knurling and a screw rod, wherein one end of the screw rod is vertically arranged in the middle of the adjusting knob, one end of the hollow rod is arranged at the other end of the screw rod, the spin-on sleeve is arranged between the hollow rod and the screw rod, the screw rod is of a hollow structure and is communicated with the hollow rod, the spin-on sleeve is arranged on the screw rod, threads on the inner wall and the outer wall of the spin-on sleeve are both opened, the threads on the inner wall of the spin-on sleeve are in threaded connection with the screw rod, the rotating disk is arranged on the spin-on sleeve, the fixed sleeve is in threaded connection with the outer wall of the spin-on sleeve, the compression spring sleeve is arranged on the spin-on sleeve and is arranged between the fixed sleeve and the rotating disk, one end of the expansion rod is fixed in the fixed groove, and the other end of the expansion rod is wound on the hollow rod, and is connected with another end of the hollow rod, the sampling hole is placed on another end of the hollow rod, when in use, firstly the external extraction tube is communicated with the hollow region of the screw rod so as to make the extraction tube, hollow tube and sampling hole be communicated, then the rotary disk is rotated, the rotary disk is used for driving the rotary joint sleeve to rotate, and is screwed in along the fixed sleeve so as to make the compression spring be pressed, when the distance between the fixed sleeve and the rotary disk is gradually reduced, the expansion rod is pulled and extended, and is attached on the hollow rod, at this moment, the passing area of the expansion rod is minimum, the hollow rod is extended into along intestinal tract or esophagus in living body, then the regulating knob is rotated so as to make the screw rod rotate along the inner wall of the rotary joint sleeve, and the hollow rod is pushed to move by rotation of the regulating knob, so that the distance of extension of the hollow rod is gradually reduced, and at the same time, the distance between the other end of the hollow rod and the fixed sleeve is synchronously reduced, the cross-section of expansion rod grow gradually, support the expansion to living body for collect the space grow, form the passageway, along with adjust knob's gradual rotation, the cross-section of expansion is bigger and bigger, living body's shrink elasticity is fixed to the expansion rod parcel simultaneously, and wrap up the expansion rod in, form fixedly, then finely tune through rotatory fixed cover, the rotatory compression spring that makes of fixed cover stretches, then make expansion rod a small amount of expansion through the fixed slot, then extract through the extraction pipe, internal sample hydrops is collected through the sampling hole and is got into the cavity pole, then get into the extraction intraductal through the cavity of screw rod, and then gather.
2. The biological sample collection extender of claim 1, wherein an outer edge of said rotating disk is knurled.
3. The biological sample collection extender of claim 1, wherein said extender rod is a helical rod and is of a conical helix configuration.
4. A biological sample collection extender as claimed in claim 3 wherein said extender rod surface is coated with a ceramic coating of aluminum oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493368.4A CN108680396B (en) | 2018-05-22 | 2018-05-22 | Biological sample collection expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493368.4A CN108680396B (en) | 2018-05-22 | 2018-05-22 | Biological sample collection expander |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108680396A CN108680396A (en) | 2018-10-19 |
| CN108680396B true CN108680396B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810493368.4A Active CN108680396B (en) | 2018-05-22 | 2018-05-22 | Biological sample collection expander |
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| CN (1) | CN108680396B (en) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN86204860U (en) * | 1986-07-02 | 1987-04-01 | 山东医科大学附属医院 | Dilator for narrow vessels in human body |
| CN2078635U (en) * | 1990-05-18 | 1991-06-12 | 潘宪光 | Catheter with double-beg and multi-cavity |
| US5911717A (en) * | 1997-03-17 | 1999-06-15 | Precision Vascular Systems, Inc. | Catheter deliverable thrombogenic apparatus and method |
| CN2380179Y (en) * | 1999-06-23 | 2000-05-31 | 鲁英姬 | Window-type gastroscope external casing |
| EP1526815A1 (en) * | 2002-07-31 | 2005-05-04 | MicroVention, Inc. | Three element coaxial vaso-occlusive device |
| CN1264482C (en) * | 2003-03-28 | 2006-07-19 | 佐竹修太郎 | RF hot air bag guide tube |
| CN2668049Y (en) * | 2004-01-05 | 2005-01-05 | 上海富士能医疗器械有限公司 | Endoscope inserting device |
| CN201524094U (en) * | 2009-08-28 | 2010-07-14 | 许瑞云 | Sample collector |
| US10076404B2 (en) * | 2013-03-12 | 2018-09-18 | Boston Scientific Limited | Catheter system with balloon-operated filter sheath and fluid flow maintenance |
| US10463424B2 (en) * | 2014-03-11 | 2019-11-05 | Medtronic Ardian Luxembourg S.A.R.L. | Catheters with independent radial-expansion members and associated devices, systems, and methods |
| CN205433773U (en) * | 2016-03-08 | 2016-08-10 | 王振杰 | A operation instrument for laying spiral vessel dilator |
| CN207220860U (en) * | 2017-01-22 | 2018-04-13 | 赵金城 | A kind of abdominocentesis drainage device |
| CN107050629A (en) * | 2017-01-23 | 2017-08-18 | 山东省立医院 | A kind of urethral dilatation drainage system and application method |
| CN107411804B (en) * | 2017-07-21 | 2019-08-30 | 山东朱氏药业集团有限公司 | Hydrops extracts broken cranium syringe needle in a kind of medical cranial |
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2018
- 2018-05-22 CN CN201810493368.4A patent/CN108680396B/en active Active
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