CN116269535A - Gastrointestinal endoscope biopsy picking device and method - Google Patents
Gastrointestinal endoscope biopsy picking device and method Download PDFInfo
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- CN116269535A CN116269535A CN202310539707.9A CN202310539707A CN116269535A CN 116269535 A CN116269535 A CN 116269535A CN 202310539707 A CN202310539707 A CN 202310539707A CN 116269535 A CN116269535 A CN 116269535A
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- 238000001574 biopsy Methods 0.000 title claims abstract description 44
- 230000002496 gastric effect Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title abstract description 4
- 238000005070 sampling Methods 0.000 claims abstract description 99
- 238000003860 storage Methods 0.000 claims abstract description 88
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 230000003902 lesion Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001839 endoscopy Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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- 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
- A61B10/04—Endoscopic instruments
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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
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
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Abstract
The invention belongs to the technical field of medical appliances, and provides gastrointestinal endoscope biopsy picking equipment and a gastrointestinal endoscope biopsy picking method, wherein the gastrointestinal endoscope biopsy picking equipment comprises a shell, one end of the shell is hinged with two groups of rebound forceps heads which are correspondingly arranged, a steel wire is connected in the shell in a horizontal sliding way, the steel wire is in transmission connection with the two groups of rebound forceps heads, a storage cylinder is detachably and rotatably connected in the shell, the storage cylinder is used for storing a plurality of sampling components, the storage cylinder is arranged close to the two groups of rebound forceps heads, the steel wire is correspondingly arranged with a sampling component, a sliding sleeve is connected in the shell in a sliding way, the sliding sleeve is sleeved on one end of the steel wire close to the storage cylinder, and a flexible connecting component is arranged between the steel wire and the sliding sleeve; the rotary pushing part is arranged between the needle storage cylinder and the sliding sleeve; the stop part is arranged between the shell and the sliding sleeve and corresponds to the storage cylinder. The invention can rapidly finish biopsy sampling of different areas of the same focus or different focuses, and can ensure that the samples are not contacted with each other.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to gastrointestinal endoscope biopsy picking equipment and a gastrointestinal endoscope biopsy picking method.
Background
Biopsy forceps are a tool for performing biting and sampling on focus parts in the abdominal cavity of a human body, and are generally matched with an endoscope for use. In the endoscopy, when a pathological examination is required to be performed on a lesion, a biopsy forceps is fed into a patient through an endoscope forceps channel, and tissue of the lesion is grasped. The biopsy forceps have small sampling pain and small wound, so the biopsy forceps are popular with doctors and patients.
However, the existing biopsy sampling apparatus can be used for sampling only once or a small amount, and in the conventional endoscopy, a focus or a biopsy usually needs to take about 6 specimens, the existing biopsy forceps need to be used for advancing and retreating the forceps about 6 times respectively through the forceps channel of the endoscope, and the objective lens of the endoscope and the forceps head of the biopsy forceps need to be adjusted after each forceps advancing, so that the operation is time-consuming and labor-consuming. Therefore, there is a need for a biopsy device that can rapidly complete biopsy sampling of different areas or lesions of the same lesion without repeated advancing and retreating forceps operations, and that can ensure that the samples do not contact each other, thereby improving the accuracy of the biopsy results.
Disclosure of Invention
The invention aims to provide gastrointestinal mirror biopsy extraction equipment and a gastrointestinal mirror biopsy extraction method, so as to solve the problems, achieve the purpose of rapidly completing biopsy sampling of different areas of the same focus or different focuses and simultaneously ensure that samples cannot be contacted with each other.
In order to achieve the above object, the present invention provides the following solutions: a gastrointestinal biopsy extraction device comprising:
the device comprises a shell, wherein one end of the shell is hinged with two groups of rebound binding clips which are correspondingly arranged, steel wires are horizontally and dynamically connected in the shell, the steel wires are in transmission connection with the two groups of rebound binding clips, a storage cylinder is detachably and rotatably connected in the shell and used for storing a plurality of sampling components, the storage cylinder is close to the two groups of rebound binding clips, the steel wires are correspondingly arranged with one sampling component, sliding grooves are respectively and horizontally arranged on two opposite side walls of the shell, a sliding sleeve is slidably connected between the two groups of sliding grooves, the sliding sleeve is sleeved on one end, close to the storage cylinder, of the steel wires, and a flexible connecting component is arranged between the steel wires and the sliding sleeve;
the rotary pushing part is arranged between the needle storage cylinder and the sliding sleeve and is used for pushing the needle storage cylinder to rotate after a group of sampling components take samples, so that the next group of sampling needles are positioned at the sampling position;
the stop part is arranged between the shell and the sliding sleeve, and is arranged corresponding to the storage syringe and used for preventing the storage syringe from rotating when the storage syringe is not required to be pushed to rotate;
the operation part, the operation part with fixedly connected with overcoat between the shell, the steel wire passes the overcoat with the operation part corresponds the setting, the operation part is used for making medical personnel convenient carry out the sample operation.
Preferably, the flexible connection assembly comprises a baffle fixedly connected to the side wall of the steel wire, a sliding groove is formed in the side wall of the inner side of the sliding sleeve along the axial direction of the sliding sleeve, the baffle is correspondingly arranged with the sliding groove, and a third spring is abutted between the baffle and the side wall, close to the storage cylinder, of the sliding groove.
Preferably, the rotation pushing part comprises a stirring disc which is coaxially and fixedly connected with the side wall of one end of the storage cylinder, which is close to the sliding sleeve, a plurality of inclined plane stirring grooves are formed in the side wall of the storage cylinder, which is far away from the stirring disc, a gear is rotationally connected with the shell, a rebound stirring rod is hinged to the side wall edge of the gear, the rebound stirring rod is correspondingly arranged with the inclined plane stirring grooves, and a rack which is fixedly connected with the rack in the axial direction of the sliding sleeve is connected with the gear transmission.
Preferably, the stop part comprises a stop shell fixedly connected in the shell, arc-shaped sliding grooves are respectively formed in two opposite side walls of the stop shell along the extending direction of the steel wire, a stop rod is connected in the stop shell in a sliding mode, one end of the stop rod penetrates through the side wall of the stop shell and corresponds to the storage cylinder, a sliding rod is arranged at the other end of the stop rod in a penetrating mode, the stop rod is connected in the arc-shaped sliding grooves in a sliding mode through the sliding rod, a first spring is fixedly connected between one end, close to the sliding rod, of the stop rod and the side wall, close to the storage cylinder, of the stop shell, and a poking assembly is arranged between the sliding rod and the sliding sleeve.
Preferably, the toggle assembly comprises a first wedge block fixedly connected to the side wall of the sliding rod, which is close to the sliding sleeve, and a second wedge block slidingly connected to the sliding sleeve, wherein the sliding direction of the second wedge block is perpendicular to the axial direction of the sliding sleeve, a second spring is abutted between the second wedge block and the sliding sleeve, and the first wedge block and the second wedge block are correspondingly arranged.
Preferably, two groups of brackets are fixedly connected to the steel wire, the hinged ends of the two groups of rebound binding clip are respectively and fixedly connected with a stress plate, the two groups of stress plates are respectively positioned in the shell, one ends of the two groups of brackets, which are far away from the steel wire, are respectively and rotatably connected with a roller, and the roller and the stress plate are correspondingly arranged.
Preferably, the operation part comprises a handle, the outer sleeve is fixedly connected between the handle and the shell, and one end of the steel wire, which is far away from the shell, penetrates through the handle and is fixedly connected with a lantern ring.
Preferably, a plurality of sampling needle grooves are formed in the two side walls of the needle storage cylinder along the axis direction, the sampling needle grooves are distributed at equal intervals, a first magnet is connected in the sampling needle grooves in a sliding mode, the sampling needle is fixedly connected with one end, away from the steel wire, of the first magnet, a second magnet is fixedly connected with one end, close to the needle storage cylinder, of the steel wire, and the second magnet corresponds to the first magnet.
Preferably, the sampling assembly comprises a sampling needle, and a sampling groove is formed in one end, far away from the first magnet, of the side wall of the sampling needle.
A gastrointestinal biopsy extraction method, comprising the steps of:
s1, penetrating a shell into a cavity of gastrointestinal mirror equipment, so that two groups of rebound forceps heads extend out of the end part of the gastrointestinal mirror equipment;
s2, extending the gastrointestinal mirror device into a patient, opening two groups of rebound forceps heads by using an operation part after reaching a focus, extending a sampling assembly to sample the focus, and temporarily storing the sampling assembly in a storage cylinder; the repeated use of the operation part can sample different focus parts for multiple times along with the movement of the gastrointestinal mirror device;
s3, after the gastrointestinal endoscope equipment is taken out, the two groups of rebound forceps heads are opened through the operation part, and the medical forceps are used for taking out the storage cylinder from the shell for aseptic sealing;
and S4, taking out the plurality of sampling components from the needle storage cylinder by using the medical forceps, and obtaining a tissue sample from the sampling components for subsequent biopsy.
Compared with the prior art, the invention has the following advantages and technical effects: the main function of the two groups of rebound binding clip is to protect the internal storage cylinder from pollution; the main function of the steel wire is to connect with the operation part to push the sampling component and the sliding sleeve to move; the flexible connecting component has the main function of ensuring that the sliding sleeve can not interfere the steel wire to drive the sampling component to perform sampling work while driving the rotary pushing part and the stop part to normally operate; the main function of the rotary pushing part is to push the storage needle cylinder to rotate after the sampling of one group of sampling components is finished, so that the next group of sampling components is ready in advance; the main function of the stop is to ensure that the cartridge does not rotate when it is not necessary to rotate the cartridge. In whole, the invention can rapidly complete biopsy sampling of different areas of the same focus or different focuses without repeatedly operating the advancing and retreating forceps, can ensure that the samples are not contacted with each other, improves the accuracy of biopsy results, improves the detection efficiency, and reduces the treatment time of patients.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front cross-sectional view showing a state where a wire is withdrawn by a picking apparatus of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
FIG. 3 is a schematic view showing the separation of the slide bar and the storage cylinder of the picking device of the present invention;
FIG. 4 is an enlarged view of part B of FIG. 3;
FIG. 5 is a schematic diagram of a sampling state of the picking device according to the present invention;
FIG. 6 is an enlarged view of part C of FIG. 5;
FIG. 7 is a partial enlarged view of D in FIG. 5;
FIG. 8 is a left side view of the cartridge of the present invention;
FIG. 9 is a right side view of the dial of the present invention;
wherein, 1, the shell; 2. a rebound clamp head; 3. a force-bearing plate; 4. a steel wire; 5. a bracket; 6. a roller; 7. a storage cylinder; 8. a grip; 9. a collar; 10. a support column; 11. a stop lever; 12. a first spring; 13. a stopper housing; 14. an arc chute; 15. a slide bar; 16. a first wedge block; 17. a second wedge block; 18. a second spring; 19. a sliding sleeve; 20. a baffle; 21. a third spring; 22. a gear; 23. a rebound deflector rod; 24. a toggle plate; 25. a chute; 26. bevel groove shifting; 27. a sampling needle slot; 28. a sampling needle; 29. a sampling groove; 30. a first magnet; 31. a second magnet; 32. a rack; 33. and (3) a jacket.
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.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-9, the present invention provides a gastrointestinal biopsy extraction device comprising:
the device comprises a shell 1, two groups of rebound binding clip 2 which are correspondingly arranged are hinged at one end of the shell 1, a steel wire 4 is horizontally and dynamically connected in the shell 1, the steel wire 4 is in transmission connection with the two groups of rebound binding clip 2, a storage cylinder 7 is detachably and rotatably connected in the shell 1, the storage cylinder 7 is used for storing a plurality of sampling components, the storage cylinder 7 is close to the two groups of rebound binding clip 2, the steel wire 4 is correspondingly arranged with one sampling component, sliding grooves 25 are respectively and horizontally arranged on two opposite side walls of the shell 1, a sliding sleeve 19 is slidably connected between the two groups of sliding grooves 25, the sliding sleeve 19 is sleeved on one end of the steel wire 4 close to the storage cylinder 7, and a flexible connecting component is arranged between the steel wire 4 and the sliding sleeve 19;
a rotary pushing part, which is arranged between the needle storage cylinder and the sliding sleeve 19 and is used for pushing the needle storage cylinder 7 to rotate after the sample is taken by one group of sampling components, so that the next group of sampling needles 28 are positioned at the sampling position;
a stop part, which is arranged between the shell 1 and the sliding sleeve 19, is arranged corresponding to the storage cylinder 7 and is used for preventing the storage cylinder 7 from rotating when the storage cylinder 7 does not need to be pushed to rotate;
and an outer sleeve 33 is fixedly connected between the operating part and the shell 1, the steel wire 4 passes through the outer sleeve 33 and is correspondingly arranged with the operating part, and the operating part is used for enabling medical staff to conveniently sample.
A torsion spring is arranged between the rebound pincer heads 2 and the shell 1, so that the two groups of rebound pincer heads 2 are in a normally closed state, and the internal storage cylinder 7 is protected from pollution; the main function of the steel wire 4 is to connect with the operation part to push the sampling component and the sliding sleeve 19 to move; the main function of the flexible connecting component is to ensure that the sliding sleeve 19 can not interfere the steel wire 4 to drive the sampling component to perform sampling work while driving the rotary pushing part and the stopping part to normally operate; the main function of the rotary pushing part is to push the storage cylinder 7 to rotate after the sampling of one group of sampling components is finished, so that the next group of sampling components is ready in advance; the main function of the stop is to ensure that the cartridge 7 does not rotate when it is not necessary to rotate the cartridge 7. In whole, the invention can rapidly complete biopsy sampling of different areas of the same focus or different focuses without repeatedly operating the advancing and retreating forceps, can ensure that the samples are not contacted with each other, improves the accuracy of biopsy results, improves the detection efficiency, and reduces the treatment time of patients.
According to a further optimization scheme, a support column 10 is fixedly connected in the shell 1, and the storage cylinder 7 is detachably and rotatably sleeved on the support column 10.
Further optimizing scheme, the flexible coupling assembling includes baffle 20 of fixed connection on steel wire 4 lateral wall, has seted up the sliding tray along the axis direction of sliding sleeve 19 on the inboard lateral wall of sliding sleeve 19, and baffle 20 corresponds the setting with the sliding tray, and the butt has third spring 21 between baffle 20 and the lateral wall that the sliding tray is close to storage cylinder 7.
When the medical staff moves the steel wire 4 towards the direction of the storage cylinder 7 through the operation part, the baffle 20 on the steel wire 4 moves towards the direction of the storage cylinder 7 together, so that the third spring 21 is compressed, and the third spring 21 is compressed to push the sliding sleeve 19 to move towards the direction of the storage cylinder 7. When the sliding sleeve 19 moves to the end of the sliding groove 25, the sliding sleeve 19 stops moving, and the steel wire 4 can continue to move towards the direction of the storage cylinder 7 by pressing the third spring 21.
Further optimizing scheme, rotate the driving part including coaxial line fixed connection on the one end lateral wall that is close to sliding sleeve 19 of storage cylinder 7 stir the dish 24, stir the dish 24 and keep away from and offer a plurality of inclined planes on the lateral wall that is stored up cylinder 7 and dial groove 26, shell 1 internal rotation is connected with gear 22, and the lateral wall limit portion of gear 22 articulates there is kick-back driving lever 23, kick-back driving lever 23 and an inclined plane dial groove 26 correspond the setting, along the axis direction fixedly connected with rack 32 that the rack 32 shows on the lateral wall of sliding sleeve 19 with gear 22 transmission connection.
When the sliding sleeve 19 moves in a direction away from the storage cylinder 7, the stop part is separated from the storage cylinder 7, the rack 32 below the sliding sleeve 19 can drive the gear 22 to rotate, the gear 22 rotates to drive the rebound deflector 23 to move upwards, the deflector 24 rotates around the support column 10 by extruding the vertical side wall of the inclined surface deflector groove 26, and the deflector 24 rotates to drive the storage cylinder 7 to rotate around the support column 10, so that the purpose of replacing a sampling assembly is realized. When the sliding sleeve 19 moves in a direction approaching the storage cylinder 7, the gear 22 turns over, the rebound deflector rod 23 moves downwards, and the rebound deflector rod 23 moves downwards along the inclined surface of the inclined surface deflector groove 26 and into the adjacent inclined surface deflector groove 26 due to the limit of the rotation of the storage cylinder 7 by the stop part.
Further optimizing scheme, the stop part includes fixed connection in shell 1's stop casing 13, arc spout 14 has been seted up respectively along the extending direction of steel wire 4 on the two opposite lateral walls of stop casing 13, sliding connection has stop lever 11 in stop casing 13, the one end of stop lever 11 runs through the lateral wall of stop casing 13 and sets up corresponding with storage cylinder 7, the slide bar 15 has been worn to the other end of stop lever 11, stop lever 11 passes through slide bar 15 sliding connection in arc spout 14, the one end that stop lever 11 is close to slide bar 15 and the stop casing 13 is close to the lateral wall of storage cylinder 7 between fixedly connected with first spring 12, be provided with between slide bar 15 and the sliding sleeve 19 and stir the subassembly.
According to a further optimized scheme, the stirring assembly comprises a first wedge block 16 fixedly connected to the side wall, close to the sliding sleeve 19, of the sliding rod 15 and a second wedge block 17 in the sliding sleeve 19 in a sliding mode, the sliding direction of the second wedge block 17 is perpendicular to the axis direction of the sliding sleeve 19, a second spring 18 is abutted between the second wedge block 17 and the sliding sleeve 19, and the first wedge block 16 and the second wedge block 17 are correspondingly arranged.
When the sliding sleeve 19 moves away from the needle storage cylinder 7, the side wall of the second wedge block 17 is in abutting connection with the side wall of the first wedge block 16, the second wedge block 17 drives the sliding rod 15 to slide backwards in the arc-shaped sliding groove 14 by pushing the first wedge block 16, meanwhile, the first spring 12 is lengthened, when the sliding rod 15 slides to the rear of the arc-shaped sliding groove 14, the sliding rod 15 moves away from the sliding sleeve 19 under the guidance of the arc-shaped sliding groove, the contact area between the second wedge block 17 and the first wedge block 16 is reduced, and when the sliding rod 15 is lifted to enable the second wedge block 17 to be separated from the first wedge block 16, the sliding rod 15 is pulled back by the first spring 12 and is in abutting connection with the needle storage cylinder 7 again, and the needle storage cylinder 7 is prevented from rotating.
When the sliding sleeve 19 moves towards the direction close to the needle storage cylinder 7, after the second wedge block 17 contacts with the first wedge block 16, the second wedge block 17 moves towards the direction of the steel wire 4 and presses the second spring 18 under the action of the wedge surface, and when the second wedge block 17 passes over the first wedge block 16, the second spring 18 rebounds to lift the second wedge block 17, so that the side wall of the second wedge block 17 corresponds to the side wall of the first wedge block 16 again.
Further optimizing scheme, fixedly connected with two sets of supports 5 on the steel wire 4, the articulated end of two sets of resilience binding clip 2 is fixedly connected with atress board 3 respectively, and two sets of atress boards 3 are located shell 1 respectively, and the one end that the steel wire was kept away from to two sets of supports 5 is rotated respectively and is connected with gyro wheel 6, and gyro wheel 6 corresponds the setting with atress board 3.
When sampling is carried out, the steel wire 4 moves towards the direction of the storage cylinder 7, drives the two groups of brackets 5 to move towards the direction of the stress plate 3, pushes the stress plate 3 through the roller 6, enables the two groups of rebound binding clip 2 to generate torque around the hinge shaft after the stress plate 3 receives extrusion force, enables the two groups of rebound binding clip 2 to be opened, and facilitates the sampling component to extend out of the shell 1 smoothly.
Further optimized scheme, the operation part comprises a handle 8, the outer sleeve 33 is fixedly connected between the handle 8 and the shell 1, and one end of the steel wire far away from the shell 1 penetrates through the handle 8 and is fixedly connected with a lantern ring 9.
When the medical staff uses, the handle 8 is held, and the movement of the steel wire 4 can be realized by pushing and pulling the lantern ring 9.
Further optimizing scheme has offered a plurality of sampling needle grooves 27 along the axis direction between the both sides wall of storage cylinder 7, and equidistant distribution in a plurality of sampling needle grooves 27, sliding connection has first magnet 30 in the sampling needle groove 27 respectively, and sampling needle 28 fixed connection is kept away from the one end of steel wire 4 at first magnet 30, and the one end that steel wire 4 is close to storage cylinder 7 is fixedly connected with second magnet 31, and second magnet 31 corresponds the setting with first magnet 30.
Further preferably, the sampling assembly comprises a sampling needle 28, and a sampling groove 29 is formed in one end, far away from the first magnet 30, of the side wall of the sampling needle 28.
When sampling is required, the wire 4 is pushed into the corresponding sampling needle groove 27, the second magnet 31 at the end of the wire 4 is attracted with the first magnet 30, the wire 4 is pushed continuously, and the sampling needle 28 is pushed out of the sampling needle groove 27 through the second magnet 31 and the first magnet 30 by the wire 4 and extends into the focus. Thereafter, the collar 9 is used for recovering the steel wire 4, and the magnetic force between the second magnet 31 and the first magnet 30 drives the sampling needle 28 to recover when the steel wire 4 is recovered, so that the biopsy tissue is retained in the sampling groove 29.
A gastrointestinal biopsy extraction method, comprising the steps of:
s1, penetrating a shell 1 into a cavity of gastrointestinal mirror equipment, so that two groups of rebound clamp heads 2 extend out of the end part of the gastrointestinal mirror equipment;
s2, extending the gastrointestinal mirror device into a patient, opening the two groups of rebound forceps heads 2 by using an operation part after reaching a focus, extending a sampling assembly to sample the focus, and temporarily storing the sampling assembly in a storage cylinder 7; the repeated use of the operation part can sample different focus parts for multiple times along with the movement of the gastrointestinal mirror device;
during sampling, medical staff presses the lantern ring 9 inwards to enable the steel wire 4 to move towards the storage cylinder 7, the rebound clamp head 2 is opened, the steel wire 4 drives the sliding sleeve 19 to move towards the storage cylinder 7, the sliding sleeve 19 drives the gear 22 to rotate through the rack 32, the rebound deflector 23 is pulled out of one inclined surface deflector groove 26 and is abutted in the adjacent inclined surface deflector groove 26, and meanwhile, the second wedge block 17 on the sliding sleeve 19 moves towards the steel wire 4 and passes through the first wedge block 16 under the action of the wedge surface with the first wedge block 16. The collar 9 is continuously pressed, the steel wire 4 is continuously moved forward, the sliding sleeve 19 stops moving after contacting with the sliding groove 25, the end part of the steel wire 4 stretches into the sampling needle groove 27 while pressing the third spring 21, and the sampling needle 28 is pushed out for sampling. After the sampling is completed, the collar 9 is slowly loosened to recover the steel wire 4, the steel wire 4 recovers the sampling needle 28 into the sampling needle groove 27 through the second magnet 31 and the first magnet 30, the first magnet 30 stops moving under the blocking of the sampling needle groove 27, and the second magnet 31 and the first magnet 30 are separated. Continuing to recycle the steel wire 4, when the compression amount of the third spring 21 is released, the steel wire 4 pulls the sliding sleeve 19 to move reversely through the third spring 21, the sliding sleeve 19 moves reversely to drive the sliding rod 15 to recycle through the extrusion between the second wedge block 17 and the first wedge block 16, so that the sliding rod 15 is separated from the needle storage cylinder 7, meanwhile, the gear 22 turns over, the rebound deflector rod 23 is driven to push the deflector disc 24 to rotate, and the deflector disc 24 is driven to rotate to drive the needle storage cylinder 7 to rotate, so that the switching of sampling needles is realized. When the slide bar 15 is guided by the arc chute 14 to separate the first wedge block 16 from the second wedge block 17, the slide bar 15 rebounds under the action of the first spring 12 to be in contact with the storage cylinder 7 again.
S3, after the gastrointestinal mirror equipment is taken out, the two groups of rebound forceps heads 2 are opened through the operation part, and the medical forceps are used for taking out the storage cylinder 7 from the shell 1 for aseptic sealing;
after taking out the gastroscope, the lantern ring 9 is pressed inwards, so that the two groups of rebound forceps heads 2 can be just opened, and then medical staff can withdraw the storage cylinder 7 from the support column 10 by using medical forceps, and can carry out transportation by sealing.
S4, taking out the plurality of sampling components from the storage cylinder 7 by using the medical forceps, namely obtaining tissue samples from the sampling components for subsequent biopsy.
The tissue sample can be conveniently removed from the sampling slot 29 by removing the sampling needle 28 from the sampling needle slot 27.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (10)
1. A gastrointestinal biopsy extraction device, comprising:
the device comprises a shell (1), wherein two groups of rebound binding clips (2) which are correspondingly arranged are hinged to one end of the shell (1), steel wires (4) are horizontally and dynamically connected in the shell (1), the steel wires (4) are in transmission connection with the two groups of rebound binding clips (2), a storage cylinder (7) is detachably and rotatably connected in the shell (1), the storage cylinder (7) is used for storing a plurality of sampling components, the storage cylinder (7) is close to the two groups of rebound binding clips (2), the steel wires (4) are correspondingly arranged with one sampling component, sliding grooves (25) are respectively and horizontally arranged on two opposite side walls of the shell (1), sliding sleeves (19) are connected between the two groups of sliding grooves (25) in a sliding mode, the sliding sleeves (19) are sleeved on one ends, close to the storage cylinder (7), of the steel wires (4), and flexible connection components are arranged between the sliding sleeves (19);
the rotary pushing part is arranged between the needle storage cylinder and the sliding sleeve (19) and is used for pushing the needle storage cylinder (7) to rotate after a group of sampling components take samples, so that the next group of sampling needles (28) are positioned at the sampling position;
the stop part is arranged between the shell (1) and the sliding sleeve (19), and is arranged corresponding to the storage needle cylinder (7) and used for preventing the storage needle cylinder (7) from rotating when the storage needle cylinder (7) is not required to be pushed to rotate;
the operation part, the operation part with fixedly connected with overcoat (33) between shell (1), steel wire (4) pass overcoat (33) with the operation part corresponds the setting, the operation part is used for making medical personnel convenient carry out the sample operation.
2. The gastrointestinal biopsy extraction device of claim 1, wherein: the flexible connecting assembly comprises a baffle plate (20) fixedly connected to the side wall of the steel wire (4), a sliding groove is formed in the inner side wall of the sliding sleeve (19) along the axial direction of the sliding sleeve (19), the baffle plate (20) is correspondingly arranged with the sliding groove, and a third spring (21) is abutted between the baffle plate (20) and the side wall, close to the storage cylinder (7), of the sliding groove.
3. The gastrointestinal biopsy extraction device of claim 1, wherein: the rotary pushing part comprises a stirring disc (24) which is coaxially and fixedly connected with one end side wall of the Chu Zhentong (7) close to the sliding sleeve (19), a plurality of inclined-plane stirring grooves (26) are formed in the side wall of the stirring disc (24) away from the storage cylinder (7), a gear (22) is rotationally connected to the shell (1), a rebound stirring rod (23) is hinged to the side wall edge of the gear (22), the rebound stirring rod (23) and one inclined-plane stirring groove (26) are correspondingly arranged, and a rack (32) shown by a rack (32) is fixedly connected with the side wall of the sliding sleeve (19) along the axial direction of the sliding sleeve (19) and is in transmission connection with the gear (22).
4. The gastrointestinal biopsy extraction device of claim 1, wherein: the locking part comprises a locking shell (13) fixedly connected in the shell (1), arc-shaped sliding grooves (14) are respectively formed in two opposite side walls of the locking shell (13) along the extending direction of the steel wire (4), a locking rod (11) is connected in the locking shell (13) in a sliding mode, one end of the locking rod (11) penetrates through the side wall of the locking shell (13) and is correspondingly arranged with the storage cylinder (7), a sliding rod (15) is arranged at the other end of the locking rod (11) in a penetrating mode, the locking rod (11) is connected in the arc-shaped sliding grooves (14) in a sliding mode through the sliding rod (15), a first spring (12) is fixedly connected between one end, close to the sliding rod (15), of the locking rod (11) and the side wall, close to the storage cylinder (7), of the locking shell (13), and a poking assembly is arranged between the sliding rod (15) and the sliding sleeve (19).
5. The gastrointestinal biopsy extraction device of claim 4, wherein: the toggle assembly comprises a first wedge block (16) fixedly connected to the side wall of the sliding rod (15) close to the sliding sleeve (19) and a second wedge block (17) slidingly connected to the sliding sleeve (19), the sliding direction of the second wedge block (17) is perpendicular to the axis direction of the sliding sleeve (19), a second spring (18) is abutted between the second wedge block (17) and the sliding sleeve (19), and the first wedge block (16) and the second wedge block (17) are correspondingly arranged.
6. The gastrointestinal biopsy extraction device of claim 1, wherein: two groups of supports (5) are fixedly connected to the steel wire (4), the hinged ends of the two groups of rebound binding clip (2) are fixedly connected with stress plates (3) respectively, the two groups of stress plates (3) are located in the shell (1) respectively, one ends, away from the steel wire, of the two groups of supports (5) are connected with idler wheels (6) in a rotating mode respectively, and the idler wheels (6) are arranged corresponding to the stress plates (3).
7. The gastrointestinal biopsy extraction device of claim 1, wherein: the operation part comprises a handle (8), the outer sleeve (33) is fixedly connected between the handle (8) and the shell (1), and one end, far away from the shell (1), of the steel wire penetrates through the handle (8) and is fixedly connected with a lantern ring (9).
8. The gastrointestinal biopsy extraction device of claim 1, wherein: a plurality of sampling needle grooves (27) are formed in the two side walls of the storage cylinder (7) along the axis direction, the sampling needle grooves (27) are distributed at equal intervals, first magnets (30) are connected in the sampling needle grooves (27) in a sliding mode, the sampling needles (28) are fixedly connected to the first magnets (30) and away from one ends of the steel wires (4), the steel wires (4) are close to one ends of the storage cylinder (7), second magnets (31) are fixedly connected to one ends of the storage cylinder (7), and the second magnets (31) are arranged corresponding to the first magnets (30).
9. The gastrointestinal biopsy extraction device of claim 8, wherein: the sampling assembly comprises a sampling needle (28), and a sampling groove (29) is formed in one end, far away from the first magnet (30), of the side wall of the sampling needle (28).
10. A gastrointestinal biopsy extraction method according to claim 1, characterized in that the operation steps comprise:
s1, penetrating a shell (1) into a cavity of gastrointestinal mirror equipment, so that two groups of rebound forceps heads (2) extend out of the end part of the gastrointestinal mirror equipment;
s2, extending the gastrointestinal mirror device into a patient, opening the two groups of rebound forceps heads (2) by using the operation part after reaching the focus, extending the sampling assembly to sample the focus, and temporarily storing the sampling assembly in the storage needle cylinder (7); the repeated use of the operation part can sample different focus parts for multiple times along with the movement of the gastrointestinal mirror device;
s3, after the gastrointestinal mirror equipment is taken out, the two groups of rebound forceps heads (2) are opened through the operation part, and the medical forceps are used for taking out the storage needle cylinder (7) from the shell (1) for aseptic sealing;
s4, taking out the plurality of sampling components from the needle storage cylinder (7) by using the medical forceps, and obtaining tissue samples from the sampling components for subsequent biopsy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310539707.9A CN116269535A (en) | 2023-05-15 | 2023-05-15 | Gastrointestinal endoscope biopsy picking device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310539707.9A CN116269535A (en) | 2023-05-15 | 2023-05-15 | Gastrointestinal endoscope biopsy picking device and method |
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| Publication Number | Publication Date |
|---|---|
| CN116269535A true CN116269535A (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310539707.9A Withdrawn CN116269535A (en) | 2023-05-15 | 2023-05-15 | Gastrointestinal endoscope biopsy picking device and method |
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| CN (1) | CN116269535A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481711A (en) * | 2023-11-15 | 2024-02-02 | 深圳市宏济医疗技术开发有限公司 | High biopsy forceps head assembly of security and cavity way biopsy forceps device |
-
2023
- 2023-05-15 CN CN202310539707.9A patent/CN116269535A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117481711A (en) * | 2023-11-15 | 2024-02-02 | 深圳市宏济医疗技术开发有限公司 | High biopsy forceps head assembly of security and cavity way biopsy forceps device |
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