CN113171138B - Living body sampling device with auxiliary cutting structure for gastroenterology - Google Patents
Living body sampling device with auxiliary cutting structure for gastroenterology Download PDFInfo
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- CN113171138B CN113171138B CN202110445867.8A CN202110445867A CN113171138B CN 113171138 B CN113171138 B CN 113171138B CN 202110445867 A CN202110445867 A CN 202110445867A CN 113171138 B CN113171138 B CN 113171138B
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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
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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
- A61B10/0045—Devices for taking samples of body liquids
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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
- A61B10/0045—Devices for taking samples of body liquids
- A61B2010/0061—Alimentary tract secretions, e.g. biliary, gastric, intestinal, pancreatic secretions
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Abstract
The invention relates to the technical field of digestive system examination instruments, in particular to a living body sampling device with an auxiliary cutting structure for digestive system department, which comprises a device main body, wherein one end of a sampling tube shell is provided with a heating mechanism, one end of the sampling tube shell is fixedly connected with a handle, the inside of the sampling tube shell is fixedly connected with an electric push rod, one end of the electric push rod, which is far away from the handle, is fixedly connected with a collecting chamber, the inside of the collecting chamber is provided with a collecting mechanism, one end, which is far away from the handle, of the outer wall of the sampling tube shell is provided with a tearing preventing mechanism, and one side, which is far away from the handle, of the inner wall top of the sampling tube shell is provided with a cutting mechanism. The invention can sample the lesion part of the patient in vivo in the use process, can effectively avoid the sample from falling off, ensures the sampling quantity, and can prevent the device from tearing the digestion wall of the patient due to the adhesion between the sample and the body of the patient.
Description
Technical Field
The invention relates to the technical field of digestive system examination instruments, in particular to a living body sampling device with an auxiliary cutting structure for digestive system department.
Background
The digestive system is a clinical tertiary subject for researching diseases such as esophagus, stomach, small intestine, large intestine, liver, gall and pancreas and the like as main contents, the digestive system has various diseases, in the actual treatment process of a patient, sometimes a lesion part of the patient needs to be subjected to living sampling so as to diagnose the disease condition of the patient more accurately, in the living sampling process, a doctor usually takes a living tissue sampling device into the patient by means of an endoscope, takes a certain amount of lesion tissue from the patient by adopting a cutting, clamping or puncturing method and the like for pathological examination, for example, the digestive system living tissue sampling device disclosed by publication No. CN110575206A has a heating function, so that the device can have a temperature similar to that of the human body when entering the human body, the comfort of the patient is increased, the device can enter the human body under the guidance of the endoscope, the effusion at the lesion position can be extracted, the lesion position of the patient can be sampled by utilizing the endoscope after the effusion is extracted, and the PH value at the position of the patient can be fed back by timing so as to diagnose the patient still has the problem.
After the device enters the human body, the pathological change part of the human body is sampled by utilizing the needle tube, in the process of practical application, the pathological change sample is not stably stored in the needle tube after entering the interior of the needle tube by utilizing the needle tube sampling method, in the process of extracting the needle tube, the pathological change part can be separated from the needle tube, the sampling quantity of the device is limited, the repeated sampling is possibly caused by the insufficient sampling quantity, unnecessary trouble is brought to the examination work of doctors, and great pain is brought to patients, so that the living body sampling device with an auxiliary cutting structure for the digestive internal medicine is needed to solve the problems.
Disclosure of Invention
The invention aims to provide a living body sampling device with an auxiliary cutting structure for digestive system department, which solves the problem that the existing sampling device proposed in the background art has lower quantity of samples.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a gastroenterology is with living body sampling device who has supplementary cutting structure, includes the device main part, the one end of sampling tube shell is provided with heating mechanism, the one end fixedly connected with handle of sampling tube shell, and the inside fixedly connected with electric putter of sampling tube shell, electric putter keeps away from the one end and the collection room fixed connection of handle, and the collection room sets up in the inside of collecting mechanism, the one end that the handle was kept away from to sampling tube shell outer wall is provided with anti-tear mechanism, and one side that the handle was kept away from on sampling tube shell inner wall top is provided with cutting mechanism, the sliding connection of collection room and sampling tube shell, and the one end and the sampling needle fixed connection that electric putter was kept away from to the collection room, the sampling needle runs through the sealing block, and the inner wall fixed connection of sealing block and sampling tube shell, the sampling tube shell is provided with out liquid mechanism.
Preferably, the heating mechanism comprises a battery compartment, the battery compartment is embedded in one end of the sampling tube shell, which is close to the handle, and the battery compartment is electrically connected with the switch main body through a wire, the switch main body is fixedly connected with the handle, the top end and the bottom end of the battery compartment are electrically connected with the heating wire through wires, the heating wire is embedded in the heat conducting silica gel, and the heat conducting silica gel is fixedly connected with the outer surface of the sampling tube shell.
Preferably, the collection mechanism comprises a collection chamber, the inside fixedly connected with motor main part of collection chamber, and motor main part keep away from electric putter's one end and output shaft fixed connection, the output shaft rotates with the fixed wall to be connected, and the fixed wall and the inner wall fixed connection of collection chamber, the one end and the vortex sheet fixed connection of motor main part are kept away from to the output shaft, and the vortex sheet sets up the inside one end of keeping away from the collection chamber at the sample needle, the inside fixedly connected with filter of collection chamber, and the filter is run through by the output shaft, the top and the bottom of collection chamber all are articulated with the one end of bleeder plate, fixed wall fixedly connected with fixing base, and fixedly connected with is used for the spring that bleeder plate reseed between fixing base and the bleeder plate.
Preferably, the cutting mechanism comprises a limiting plate, one side of the inner wall top end of the sampling tube shell, far away from the handle, is fixedly connected with the limiting plate, the cutting plate is connected with the limiting plate in a sliding mode, a cutting spring is fixedly connected between the limiting plate and the cutting plate, and the length from the bottom end of the cutting plate to the top end of the inner wall of the sampling tube shell is greater than the length from the bottom end of the sampling needle to the top end of the inner wall of the sampling tube shell.
Preferably, the anti-tearing mechanism comprises a push block, the top end and the bottom end of the outer wall of the sampling tube shell are both in sliding connection with the push block, a pressure spring is fixedly connected between the push block and the sampling tube shell, one end, far away from the sampling tube shell, of each push block is fixedly connected with a connecting rod, one end, far away from the pressure spring, of each connecting rod is fixedly connected with a protection ring, and the protection rings are made of silica gel.
Preferably, the liquid outlet mechanism comprises a liquid draining bolt, the top end of the sampling tube shell is provided with the liquid draining bolt, one end of the liquid draining bolt extending to the inside of the sampling tube shell is fixedly connected with a closing plate, two sides of the top end of the closing plate are fixedly connected with the bottom ends of guide rods, the two groups of the guide rods are slidably connected with the sampling tube shell, closing springs are fixedly connected between the top ends of the guide rods and the sampling tube shell, a sealing ring is fixedly connected with the top end of the closing plate, and a groove formed in the inside of the sampling tube shell is embedded in the top end of the sealing ring.
Preferably, the top and the bottom of output shaft all fixedly connected with spacing slider, and the spout sliding connection that spacing slider and sampling needle inner wall were seted up, two sets of spacing slider keep away from the one end of output shaft all inlay and have the ball, and ball and sampling needle laminating.
Preferably, the two sides of the top end of the cutting piece are fixedly connected with protruding blocks, and the protruding blocks are in sliding connection with guide grooves formed in the inner wall of the limiting plate.
Compared with the prior art, the invention has the beneficial effects that: this gastroenterology is with living body sampling device that has supplementary cutting structure is provided with output shaft, sample needle and vortex sheet, in the use of device, the operator sends into the device in patient through the assistance of endoscope, after the device reaches appointed position, promote collection room and sample needle removal through starting electric putter, make the sample needle insert the internal pathological change position of patient, make the inside of the tissue entering limiting plate of pathological change position, through starting motor main part, motor main part drives output shaft and vortex sheet appointed, transport the human tissue of pathological change position to the inside of collection room and store, can effectually avoid the sample needle to extract the time, the sample of sample needle inside drops, increase the quantity of device sample, greatly reduced the risk of subsampling, through such design, the practicality of device has been improved, and this device still is provided with battery compartment and switch main part, the operator can start the battery compartment through the switch main part, after the battery compartment starts the power supply to the heater strip, make the heater strip begin work and heat the device, make the device have a more comfortable temperature when getting into the human body inside, more pain of patient is avoided, the device has been received, practicality is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic elevational cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2C according to the present invention;
FIG. 5 is a schematic side view in partial cross-section of the coupon housing, limiting plate, cutting blade and cutting spring of the present invention;
FIG. 6 is a schematic top view of the structure of the present invention;
FIG. 7 is a schematic elevational view in partial cross-section of the coupon housing, drain cock, closure plate, guide bar, closure spring and seal ring of the present invention.
In the figure: 110. a sampling tube housing; 120. a handle; 210. a battery compartment; 211. a switch main body; 212. a heating wire; 213. thermally conductive silica gel; 220. an electric push rod; 221. a collection chamber; 222. a motor main body; 223. an output shaft; 224. a fixed wall; 225. a filter plate; 226. a drainage plate; 227. a fixing seat; 230. a sampling needle; 231. a sealing block; 232. vortex sheet; 233. a limit sliding block; 310. a limiting plate; 311. cutting the sheet; 312. cutting a spring; 320. a pushing block; 321. a pressure spring; 322. a connecting rod; 323. a protective ring; 410. a drain plug; 411. a closing plate; 412. a guide rod; 413. a closing spring; 414. and (3) sealing rings.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, an embodiment of the present invention is provided:
the utility model provides a gastroenterology is with living body sampling device with supplementary cutting structure, including the device main part, the device main part includes sampling tube shell 110, sampling tube shell 110's one end is provided with heating mechanism, heating mechanism includes battery compartment 210, sampling tube shell 110 is close to the inside battery compartment 210 of inlaying of one end of handle 120, and battery compartment 210 passes through the wire and is connected with switch main part 211, and switch main part 211 and handle 120 fixed connection, battery compartment 210's top and bottom all are connected with the heater strip 212 electricity through the wire, the inside at heat conduction silica gel 213 is inlayed to heater strip 212, and heat conduction silica gel 213 and sampling tube shell 110's surface fixed connection, through such design, the device is before the use, operating personnel starts battery compartment 210 through switch main part 212, battery compartment 210 is the heater strip 214 power supply, make heater strip 214 can heat the device, when getting into the human body inside, can have a more comfortable temperature, the travelling comfort of device has been improved.
The handle 120 is fixedly connected with one end of the sampling tube housing 110, the electric push rod 220 is fixedly connected with the inside of the sampling tube housing 110, one end of the electric push rod 220, which is far away from the handle 120, is fixedly connected with the collecting chamber 221, the collecting chamber 221 is arranged in the collecting mechanism, the collecting mechanism comprises the collecting chamber 221, the motor main body 222 is fixedly connected with the inside of the collecting chamber 221, one end of the motor main body 222, which is far away from the electric push rod 220, is fixedly connected with the output shaft 223, the output shaft 223 is rotationally connected with the fixed wall 224, the fixed wall 224 is fixedly connected with the inner wall of the collecting chamber 221, one end of the output shaft 223, which is far away from the motor main body 222, is fixedly connected with the vortex sheet 232, the vortex sheet 232 is arranged at one end, which is far away from the collecting chamber 221, of the inside of the sampling needle 230 is fixedly connected with the filter plate 225, and the filter plate 225 is penetrated by the output shaft 223, the top and the bottom of collecting chamber 221 all articulate with the one end of bleeder 226, fixed wall 224 fixedly connected with fixing base 227, and fixedly connected with is used for the spring that bleeder 226 reset between fixing base 227 and the bleeder 226, through such design, make the device when gathering living body sample, the operator starts motor main part 222, motor main part 222 drives output shaft 223 and vortex sheet 232 and rotates, vortex sheet 232 can be with the inside of the living body sample of patient's internal through sampling needle 230 suction collecting chamber 221 at pivoted in-process, avoid the problem of sampling operation of repetition that insufficient sample quantity leads to, in the practical in-process of device, filter 225 can play filterable effect, sample and hydrops that the device absorbed separate, the convenience and the practicality of device have been improved.
The top and the bottom of output shaft 223 all fixedly connected with spacing slider 233, and the spout sliding connection that spacing slider 233 and sampling needle 230 inner wall were seted up, two sets of spacing sliders 233 keep away from the one end of output shaft 223 and all inlay the ball, and ball and sampling needle 230 laminating, through such design, spacing slider 233 can play the effect of steady support to output shaft 223 for the structure of the comparatively slender output shaft 223 of structure is stronger, has improved the leakproofness of device.
The one end that handle 120 was kept away from to sampling tube shell 110 outer wall is provided with anti-tearing mechanism, anti-tearing mechanism includes ejector pad 320, the top and the bottom of sampling tube shell 110 outer wall all sliding connection have ejector pad 320, and all fixedly connected with pressure spring 321 between ejector pad 320 and the sampling tube shell 110, the one end that sampling tube shell 110 was kept away from to two sets of ejector pads 320 all is with connecting rod 322 fixed connection, and the one end that pressure spring 321 was kept away from to connecting rod 322 all is with guard circle 323 fixed connection, guard circle 323 sets up to the silica gel material, through such design, in the sampling process of device, guard circle 323 is under pressure spring 321's promotion and patient's digestion wall laminating, play the effect of support, avoid tearing because sampling needle 230's puncture appears at the in-process of sampling, the digestion inner wall of patient has improved the protectiveness of device.
And one side that handle 120 was kept away from on sampling tube housing 110 inner wall top is provided with cutting mechanism, cutting mechanism includes limiting plate 310, one side that handle 120 was kept away from on sampling tube housing 110 inner wall top and limiting plate 310 fixed connection, and limiting plate 310's inside sliding connection has cutting piece 311, fixedly connected with cutting spring 312 between limiting plate 310 and the cutting piece 311, and the length of the bottom of cutting piece 311 to sampling tube housing 110 inner wall top is greater than the length of sampling needle 230 bottom to sampling tube housing 110 inner wall top, through such design, after the sampling, cutting piece 311 can cut the sample of device collection under cutting spring 312's promotion, avoid the inside sample of sampling needle 230 and human tissue to have too much adhesion, avoid the sampling process to cause the damage to the patient, the protectiveness of device has been improved.
The top both sides of cutting piece 311 all fixedly connected with lug, and the guide way sliding connection that lug and limiting plate 310 inner wall were seted up, through such design, improved the stability of cutting piece 311 in the removal in-process for the connection between limiting plate 310 and the cutting piece 311 is more firm, has improved the fastness and the stability of device.
The sliding connection of collection room 221 and sampling tube shell 110, and the one end that the collection room 221 kept away from electric putter 220 and sampling needle 230 fixed connection, sampling needle 230 runs through sealing block 231, and sealing block 231 and the inner wall fixed connection of sampling tube shell 110, the sampling tube shell is provided with out liquid mechanism, go out liquid mechanism and include flowing back bolt 410, the top of sampling tube shell 110 is provided with flowing back bolt 410, and the one end and the closure plate 411 fixed connection that extend to the inside of sampling tube shell 110 of flowing back bolt 410, the bottom fixed connection of closure plate 411 both sides all and guide bar 412, two sets of guide bar 412 all and sampling tube shell 110 sliding connection, and all fixedly connected with closure spring 413 between guide bar 412's top and the sampling tube shell 110, the top fixedly connected with sealing washer 414 of closure plate 411, and the recess of the inside seting up of sealing washer 414, through such design, after the device sampling, through promoting flowing back bolt 410 can be with the inside stock solution that stores of sampling tube shell 110, the convenience of device has been improved.
Working principle: in the use of device, at first utilize the endoscope to send the device into the patient suitable position in vivo, then the operating personnel is through starting electric putter 220, electric putter 220 promotes collection room 221 and sampling needle 230 removal, sampling needle 230 is in the in-process of removal, extrude cutting piece 311, make cutting piece 311 upwards move, and cutting spring 312 is compressed, after sampling needle 230 inserts the internal pathological change tissue of patient, operating personnel starts motor main part 222, motor main part 222 drives output shaft 223 and vortex plate 232 rotation, vortex plate 232 carries pathological change tissue to the inside storage of collection room 221 in the in-process of rotation, when the pathological change department of patient has the hydrops, after the filtration of hydrops inflow collection room 221 of patient, the sample separation of hydrops and device collection, after the device collection sample of sample, operating personnel drives collection room 221 and sampling needle 230 through electric putter 220 and returns the inside of sampling tube housing 110, in the in-process inside of sampling needle 230, the cutting spring 312 promotion cutting piece 311 that is extruded, the bottom of cutting piece 311 is kept away from collection room 221 along the one end of sampling needle 230 slip, and can avoid the pathological change tissue to take the patient because of the sample is carried out to the sample of the pathological change of patient and can avoid the pathological change to lead to the fact the sample to the fact the pathological change can be polluted to the patient effectively, and the sample can be prevented from the pathological change can be polluted and the sample is prevented from the sample is carried out to the patient is polluted and the sample is polluted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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 (6)
1. The utility model provides a gastroenterology is with living body sampling device that has supplementary cutting structure, includes the device main part, its characterized in that: the device main body comprises a sampling tube shell (110), a heating mechanism is arranged at one end of the sampling tube shell (110), a handle (120) is fixedly connected to one end of the sampling tube shell (110), an electric push rod (220) is fixedly connected to the inside of the sampling tube shell (110), one end of the electric push rod (220), which is far away from the handle (120), is fixedly connected with a collecting chamber (221), the collecting chamber (221) is arranged in the collecting mechanism, an anti-tearing mechanism is arranged at one end of the outer wall of the sampling tube shell (110), which is far away from the handle (120), a cutting mechanism is arranged at one side, which is far away from the handle (120), of the inner wall top end of the sampling tube shell (110), the collecting chamber (221) is in sliding connection with the sampling tube shell (110), one end, which is far away from the electric push rod (220), is fixedly connected with a sampling needle (230) penetrates through a sealing block (231), the sealing block (231) is fixedly connected with the inner wall of the sampling tube shell (110), and a liquid outlet mechanism is arranged on the sampling tube shell (110);
the collecting mechanism comprises a collecting chamber (221), a motor main body (222) is fixedly connected to the inside of the collecting chamber (221), one end of the motor main body (222) away from an electric push rod (220) is fixedly connected with an output shaft (223), the output shaft (223) is rotationally connected with a fixed wall (224), the fixed wall (224) is fixedly connected with the inner wall of the collecting chamber (221), one end of the output shaft (223) away from the motor main body (222) is fixedly connected with a vortex sheet (232), the vortex sheet (232) is arranged at one end, away from the collecting chamber (221), of a sampling needle (230), a filter plate (225) is fixedly connected to the inside of the collecting chamber (221), the filter plate (225) is penetrated by the output shaft (223), the top end and the bottom end of the collecting chamber (221) are hinged with one end of a drainage plate (226), a fixing seat (227) is fixedly connected to the fixed wall (224), and a spring for resetting the drainage plate (226) is fixedly connected between the fixing seat (227) and the drainage plate (226).
The anti-tearing mechanism comprises push blocks (320), the top end and the bottom end of the outer wall of the sampling tube shell (110) are both connected with the push blocks (320) in a sliding mode, pressure springs (321) are fixedly connected between the push blocks (320) and the sampling tube shell (110), one ends, far away from the sampling tube shell (110), of the two groups of push blocks (320) are both fixedly connected with connecting rods (322), one ends, far away from the pressure springs (321), of the connecting rods (322) are both fixedly connected with protective rings (323), and the protective rings (323) are made of silica gel.
2. The in-vivo sampling device with an auxiliary cutting structure for digestive system department as claimed in claim 1, wherein: the heating mechanism comprises a battery compartment (210), the battery compartment (210) is embedded in one end of the sampling tube shell (110) close to the handle (120), the battery compartment (210) is electrically connected with the switch main body (211) through a wire, the switch main body (211) is fixedly connected with the handle (120), the top end and the bottom end of the battery compartment (210) are electrically connected with the heating wire (212) through wires, the heating wire (212) is embedded in the heat conducting silica gel (213), and the heat conducting silica gel (213) is fixedly connected with the outer surface of the sampling tube shell (110).
3. The in-vivo sampling device with an auxiliary cutting structure for digestive system department as claimed in claim 1, wherein: the cutting mechanism comprises a limiting plate (310), one side, far away from the handle (120), of the top end of the inner wall of the sampling tube shell (110) is fixedly connected with the limiting plate (310), a cutting piece (311) is connected to the inside of the limiting plate (310) in a sliding mode, a cutting spring (312) is fixedly connected between the limiting plate (310) and the cutting piece (311), and the length from the bottom end of the cutting piece (311) to the top end of the inner wall of the sampling tube shell (110) is greater than the length from the bottom end of the sampling needle (230) to the top end of the inner wall of the sampling tube shell (110).
4. The in-vivo sampling device with an auxiliary cutting structure for digestive system department as claimed in claim 1, wherein: the liquid discharging mechanism comprises a liquid discharging bolt (410), the top end of a sampling tube shell (110) is provided with the liquid discharging bolt (410), one end, extending to the inside of the sampling tube shell (110), of the liquid discharging bolt (410) is fixedly connected with a closing plate (411), two sides of the top end of the closing plate (411) are fixedly connected with the bottom end of a guide rod (412), the two groups of the guide rods (412) are fixedly connected with a closing spring (413) between the top end of the guide rod (412) and the sampling tube shell (110), a sealing ring (414) is fixedly connected to the top end of the closing plate (411), and the top end of the sealing ring (414) is embedded into a groove formed in the inside of the sampling tube shell (110).
5. The in-vivo sampling device with an auxiliary cutting structure for digestive system department as claimed in claim 1, wherein: the top and the bottom of output shaft (223) all fixedly connected with spacing slider (233), and spout sliding connection that spacing slider (233) and sampling needle (230) inner wall were seted up, two sets of spacing slider (233) keep away from the one end of output shaft (223) all inlay and have the ball, and ball and sampling needle (230) laminating.
6. A biopsy device having an assisted cutting structure for use in a gastroenterology according to claim 3, wherein: the two sides of the top end of the cutting piece (311) are fixedly connected with protruding blocks, and the protruding blocks are in sliding connection with guide grooves formed in the inner wall of the limiting plate (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445867.8A CN113171138B (en) | 2021-04-21 | 2021-04-21 | Living body sampling device with auxiliary cutting structure for gastroenterology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110445867.8A CN113171138B (en) | 2021-04-21 | 2021-04-21 | Living body sampling device with auxiliary cutting structure for gastroenterology |
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| Publication Number | Publication Date |
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| CN113171138A CN113171138A (en) | 2021-07-27 |
| CN113171138B true CN113171138B (en) | 2023-04-25 |
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| CN113995449B (en) * | 2021-12-01 | 2024-05-24 | 北京昊硕科技有限公司 | Medical oncology uses biopsy sampler based on negative pressure principle |
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2021
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10248425A1 (en) * | 2002-10-17 | 2004-04-29 | Bard Dublin Itc Ltd., Crawley | Handheld biopsy unit for the removal of tissue, comprises at least one tensioning and launching unit, and a needle unit with an outer hollow needle and a hollow biopsy needle |
| CN111588419A (en) * | 2020-04-20 | 2020-08-28 | 庞俊伟 | Pathology department pathology sampling device |
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