CN110236605B - Biopsy forceps - Google Patents
Biopsy forceps Download PDFInfo
- Publication number
- CN110236605B CN110236605B CN201910546668.9A CN201910546668A CN110236605B CN 110236605 B CN110236605 B CN 110236605B CN 201910546668 A CN201910546668 A CN 201910546668A CN 110236605 B CN110236605 B CN 110236605B
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- Prior art keywords
- forceps
- seat
- groove
- connecting plate
- clamp
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- 238000001574 biopsy Methods 0.000 title claims abstract description 79
- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 238000002955 isolation Methods 0.000 claims abstract description 3
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 40
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000002775 capsule Substances 0.000 abstract description 2
- 210000001519 tissue Anatomy 0.000 description 30
- 210000003811 finger Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
- A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/04—Endoscopic instruments, e.g. catheter-type instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biodiversity & Conservation Biology (AREA)
- Radiology & Medical Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a biopsy forceps, which has the technical scheme that a protective sleeve for isolation is arranged outside a forceps frame component, the protective sleeve is sleeved in the forceps frame component and extends upwards along a catheter, a first forceps cutter is clamped on a first forceps seat, a second forceps cutter is clamped on a second forceps seat, when a sliding sleeve is pulled to a handheld ring, a stay wire moves along with the sliding sleeve and pulls a first connecting plate and a second connecting plate to enable the first forceps seat and the second forceps seat to rotate in opposite directions, a first cutting edge and a second cutting edge are matched to clamp biopsy tissues, and a first forceps groove and a second forceps groove are closed to form a sealing capsule capable of containing the biopsy tissues. The invention has the following beneficial effects: the biopsy tissue is separated through the cooperation of the first blade and the second blade, the blade is convenient and easy to use, incomplete separation is not easy to occur, and the dragging leads to expanding the cut wound. The cavity formed by closing the forceps grooves is used for accommodating and protecting the separated biopsy tissues until the biopsy tissues are taken out, so that the biopsy results are prevented from being polluted and errors are avoided.
Description
Technical Field
The present invention relates to medical devices, and more particularly to biopsy forceps.
Background
Biopsy forceps are endoscopic attachments that directly manipulate mucosal tissue of the body. Biopsy forceps are an indispensable tool when endoscopic procedures are required to obtain pathological biopsies. However, most of the conventional biopsy forceps cannot avoid exposing the biopsy tissue or directly tearing off part of the tissue, and the biopsy forceps enter from the working channel of the endoscope, and when the conventional biopsy tissue exits from the working channel, the biopsy forceps are polluted by the mixed bacteria in the working channel, so that when the biopsy tissue is taken out, the mixed bacteria in other tissues of a human body or the working channel are difficult to avoid pollution. Many people use biopsy tissue for examination and even study through biopsy tissue, and in order to obtain accurate results, it is necessary to exclude various disturbances, especially contamination of the biopsy tissue which may lead to deviations in the results. While taking biopsies using conventional bioptomes for procedures, the biopsies taken are inevitably contaminated.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a biopsy forceps which can prevent biopsy tissues from being polluted.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a biopsy forceps, including handheld ring, the handle, the sliding sleeve, pipe and act as go-between, handheld ring is fixed in the one end of handle, the other end of handle is connected on the pipe, the handle is the tube-shape, be equipped with the spout on the section of thick bamboo wall of handle, the sliding sleeve cover is established on the handle, the act as go-between sets up in pipe and handle, the one end of act as go-between passes through the spout and is connected with the sliding sleeve, the one end of pipe is connected with the jaw subassembly, the jaw subassembly includes the mount pad, first pincers seat, the second pincers seat, first connecting plate and second connecting plate, the mount pad is connected on the pipe, first pincers seat and second pincers seat are weighed relatively and are rotated and are connected on the mount pad, the one end and the act as go-between of first connecting plate are connected, the other end of second connecting plate is articulated on the second pincers seat, the protective sheath that is used for keeping apart is provided with outside the jaw subassembly in, the protective sheath is in the cover to upwards extend along the pipe, the protective sheath is equipped with first pincers sword and second pincers sword outward, first pincers block on first pincers seat, second pincers seat and knife block, second pincers seat block and knife block seat are equipped with first pincers seat and second pincers knife block, first knife block seat and second pincers seat and knife block seat and second knife block seat draw together to the first knife block seat and second pincers seat and knife block seat draw together to the first knife gate.
The invention is further provided with: the first pincers seat is equipped with first recess, is equipped with first protruding area in the first recess, and first pincers sword is equipped with and takes complex first block groove with first protruding area, and first pincers sword clamps first recess through the protective sheath, and the second pincers seat is equipped with the second recess, is equipped with the protruding area of second in the second recess, and the second pincers sword is equipped with and takes complex second block groove with the second protruding area, and the second pincers sword clamps into the second recess through the protective sheath.
The invention is further provided with: the first pincers seat still is equipped with first oblique arm and first hole, the second pincers seat still is equipped with second oblique arm and second hole, the other end of mount pad still is equipped with pincers seat axle, pincers seat axle passes first hole and second hole, make first pincers seat and second pincers seat all rotate and connect on pincers seat axle, first oblique arm articulates on first connecting plate, the second oblique arm articulates on the second connecting plate, the other end of acting as go-between is equipped with the connecting axle, the acting as go-between is connected with the both ends of connecting axle, first connecting plate is equipped with the third hole, the second connecting plate is equipped with the fourth hole, the connecting axle passes third hole and fourth hole, make first connecting plate and second connecting plate all rotate and connect on the connecting axle.
The invention is further provided with: one end of the guide pipe is provided with external threads, one end of the mounting seat is provided with a threaded hole matched with the external threads, the mounting seat is in threaded connection with the guide pipe, the position of the guide pipe relative to the mounting seat can be adjusted by rotating the mounting seat, the distance between the connecting shaft and the clamp seat shaft is controlled, and the angle between the first clamp seat and the second clamp seat is changed.
The invention is further provided with: the hand-held ring is an oval ring, the handle is vertically fixed on the side edge of the hand-held ring, an annular groove suitable for clamping fingers is formed in the middle of the sliding sleeve, the sliding sleeve is connected with an embedded block, the embedded block penetrates through the sliding groove and is connected with a stay wire, the mounting seat is provided with a mounting groove, the threaded hole is formed in the bottom surface of the mounting groove, the clamp seat shaft is arranged in the mounting groove, a fifth hole used for ejecting a first clamp knife is formed in the inner wall of the first groove, and a sixth hole used for ejecting a second clamp knife is formed in the inner wall of the second groove.
The invention is further provided with: the protective sleeve is made of plastic film.
In summary, the invention has the following beneficial effects: the protective sleeve is only required to be sleeved on the endoscope or the biopsy forceps each time, the first forceps cutter and the second forceps cutter on the protective sleeve are respectively clamped into the first forceps seat and the second forceps seat, after the forceps jaws obtain the biopsy tissue, the forceps grooves are used for sealing and storing the biopsy tissue and are separated from other pollution sources, so that the pollution sources and the biopsy tissue are prevented from being contacted, and the possibility of pollution to the biopsy tissue is avoided. When taking out the biopsy tissue, the protective sleeve naturally drops down to protect the first forceps cutter and the second forceps cutter therein, and after separating from the human body and the working duct, the forceps head is loosened, the protective sleeve is taken down, the first forceps cutter and the second forceps cutter are taken down along the belt, the biopsy tissue is taken out, the structure is simple, the use is convenient, and the biopsy tissue is not easy to be polluted. When the biopsy forceps are closed, the biopsy tissues are separated through the cooperation of the first blade and the second blade, the blades are convenient and easy to use, incomplete separation is not easy to occur, and the cut wounds are enlarged due to dragging. The cavity formed by closing the first forceps groove and the second forceps groove is used for accommodating and protecting the separated biopsy until the biopsy is taken out, so that the integrity of the biopsy is maintained, and the error of a biopsy result caused by pollution is avoided.
Drawings
FIG. 1 is a schematic structural view of a biopsy forceps;
FIG. 2 is a schematic perspective view of a biopsy forceps;
FIG. 3 is a schematic perspective view of a mounting base of a biopsy forceps;
FIG. 4 is a schematic perspective view of a jaw assembly of the biopsy forceps;
FIG. 5 is a schematic view of a first jaw configuration of a biopsy forceps;
fig. 6 is a schematic view of a second jaw configuration of the biopsy forceps.
Reference numerals: 1. a jaw assembly; 11. a first connection plate; 111. a third hole; 12. a first jaw; 121. a first groove; 122. a first diagonal arm; 123. a first hole; 124. a first raised strip; 125. a fifth hole; 13. a first jaw; 131. a first blade; 132. a first jaw groove; 133. a first raised strip; 14. a second connecting plate; 141. a fourth hole; 15. a second clamp base; 151. a second groove; 152. a second diagonal arm; 153. a second hole; 154. a second raised strip; 155. a sixth hole; 16. a second jaw; 161. a second blade; 162. a second clamp groove; 163. a second engagement groove; 2. a mounting base; 21. a threaded hole; 22. a clamp seat shaft; 3. a protective sleeve; 4. a conduit; 41. an external thread; 5. a pull wire; 51. a connecting shaft; 6. a handle; 61. a cylinder wall; 62. a chute; 7. a sliding sleeve; 71. an embedded block; 72. an annular groove; 8. a hand-held ring.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Referring to fig. 1-6, a biopsy forceps comprises a hand ring 8, a handle 6, a sliding sleeve 7, a catheter 4 and a pull wire 5, and is characterized in that: the hand-held ring 8 is fixed at one end of the handle 6, the other end of the handle 6 is connected to the catheter 4, the handle 6 is in a cylinder shape, a chute 62 is arranged on the cylinder wall 61 of the handle 6, the sliding sleeve 7 is sleeved on the handle 6, the stay wire 5 is arranged in the catheter 4 and the handle 6, one end of the stay wire 5 is connected with the sliding sleeve 7 through the chute 62, one end of the catheter 4 is connected with the clamp frame assembly 1, the clamp frame assembly 1 comprises a mounting seat 2, a first clamp seat 12, a second clamp seat 15, a first connecting plate 11 and a second connecting plate 14, the mounting seat 2 is connected to the catheter 4, the first clamp seat 12 and the second clamp seat 15 are symmetrically and rotationally connected to the mounting seat 2, one end of the first connecting plate 11 is connected with the stay wire 5, the other end of the first connecting plate 11 is hinged to the first clamp seat 12, one end of the second connecting plate 14 is connected with the stay wire 5, the other end of the second connecting plate 14 is hinged to the second clamp seat 15, the clamp frame assembly 1 is externally provided with a protective sleeve 3 for isolation, the protective sleeve 3 is sleeved with the clamp frame assembly 1 and extends upwards along the catheter 4, the protective sleeve 3 is externally provided with a first clamp knife 13 and a second clamp knife 16, the first clamp knife 13 is clamped on the first clamp seat 12, the second clamp knife 16 is clamped on the second clamp seat 15, the first clamp knife 13 is provided with a first cutting edge 131 and a first clamp groove 132, the second clamp knife 16 is provided with a second cutting edge 161 and a second clamp groove 162, when the sliding sleeve 7 is pulled to the handheld ring 8, the stay wire 5 moves along with the sliding sleeve 7 and pulls the first connecting plate 11 and the second connecting plate 14, so that the first clamp seat 12 and the second clamp seat 15 rotate oppositely, the first cutting edge 131 and the second cutting edge 161 are matched to clamp the biopsy tissue, and the first clamp groove 132 and the second clamp groove 162 are closed to form a sealing capsule capable of containing the biopsy tissue.
Through the scheme, when the biopsy forceps are used each time, the protective sleeve 3 is only required to be sleeved on an endoscope or the biopsy forceps, the first forceps cutter 13 and the second forceps cutter 16 on the protective sleeve 3 are respectively clamped into the first forceps holder 12 and the second forceps holder 15, after the biopsy tissues are obtained by the forceps holder, the forceps grooves are used for sealing and storing the biopsy tissues, other pollution sources are separated, the pollution sources are prevented from being contacted with the biopsy tissues, and the possibility of pollution to the biopsy tissues is avoided. When taking out the biopsy tissue, the protective sleeve 3 naturally drops down to protect the first forceps blade 13 and the second forceps blade 16 therein, and after the protective sleeve is separated from a human body and a working duct, the forceps head is loosened, the protective sleeve is taken down, the first forceps blade 13 and the second forceps blade 16 are taken down along the belt, the biopsy tissue is taken out, the structure is simple, the use is convenient, and the biopsy tissue is not easy to be polluted. When the biopsy forceps are closed, the biopsy tissue is separated through the cooperation of the first blade 131 and the second blade 161, the blades are convenient and easy to use, incomplete separation is not easy to occur, and the dragging causes the cut wound to be enlarged. The cavity formed by the closure of the first jaw aperture 132 and the second jaw aperture 162 accommodates and protects the separated biopsy until removal, which is beneficial for maintaining the integrity of the biopsy and preventing contamination from causing errors in the biopsy results.
The first jaw seat 12 is provided with a first groove 121, a first protruding band 124 is arranged in the first groove 121, the first jaw 13 is provided with a first clamping groove 133 matched with the first protruding band 124, the first jaw 13 is clamped into the first groove 121 through the protective sleeve 3, the second jaw seat 15 is provided with a second groove 151, a second protruding band 154 is arranged in the second groove 151, the second jaw 16 is provided with a second clamping groove 163 matched with the second protruding band 154, and the second jaw 16 is clamped into the second groove 151 through the protective sleeve 3.
Through above-mentioned scheme, the pincers sword separates protective sheath 3 and pincers seat block, only need cancel protective sheath 3, and the pincers sword also can take off, need not to dismantle for the change of pincers sword becomes simpler, convenient and swift. The cooperation of protruding area and block groove makes the pincers sword block more firm, can not drop easily, also can not be too troublesome when changing.
The first clamp seat 12 is further provided with a first inclined arm 122 and a first hole 123, the second clamp seat 15 is further provided with a second inclined arm 152 and a second hole 153, the other end of the mounting seat 2 is further provided with a clamp seat shaft 22, the clamp seat shaft 22 penetrates through the first hole 123 and the second hole 153, the first clamp seat 12 and the second clamp seat 15 are both rotationally connected to the clamp seat shaft 22, the first inclined arm 122 is hinged to the first connecting plate 11, the second inclined arm 152 is hinged to the second connecting plate 14, the other end of the pull wire 5 is provided with a connecting shaft 51, the pull wire 5 is connected with two ends of the connecting shaft 51, the first connecting plate 11 is provided with a third hole 111, the second connecting plate 14 is provided with a fourth hole 141, and the connecting shaft 51 penetrates through the third hole 111 and the fourth hole 141, so that the first connecting plate 11 and the second connecting plate 14 are both rotationally connected to the connecting shaft 51.
Through above-mentioned scheme, through hole axle cooperation, first pincers seat 12 and second pincers seat 15 rotate and connect on pincers seat axle, be convenient for install, be favorable to the completion of pincers clamp action. The first oblique arm 122 and the second oblique arm 152 have larger rotation angles without interference, so that the angle between the first forceps cutter 13 and the second forceps cutter 16 can be larger, a larger range for collecting biopsy tissue and stronger biting force are provided, and the displacement of the stay wire is converted into the rotation of the first forceps holder 12 and the second forceps holder 15 by the link mechanism formed by the first forceps holder 12, the second forceps holder 15, the first connecting plate 11 and the second connecting plate 14, so that the biopsy tissue can be stably clamped by the biopsy forceps.
One end of the guide pipe 4 is provided with an external thread 41, one end of the mounting seat 2 is provided with a threaded hole 21 matched with the external thread 41, the mounting seat 2 is in threaded connection with the guide pipe 4, the position of the mounting seat 2 relative to the guide pipe 4 can be adjusted by rotating the mounting seat 2, the distance between the connecting shaft 51 and the clamp seat shaft 22 is controlled, and the angle between the first clamp seat 12 and the second clamp seat 15 is changed.
By the scheme, the shape of the biopsy forceps is adjusted, so that a method for opening the biopsy forceps and taking out the biopsy tissue is added, and the biopsy forceps do not need to be pulled by hands or the sliding sleeve 7 is pushed and pulled. The biopsy forceps are convenient to assemble, connect and install, easy to use, capable of increasing fine adjustment modes, improving fault tolerance of the biopsy forceps, and avoiding scrapping of the biopsy forceps caused by loosening or deformation of the stay wire 5.
The handheld ring 8 is an oval ring, the handle 6 is vertically fixed on the side edge of the handheld ring 8, an annular groove 72 suitable for finger clamping is arranged in the middle of the sliding sleeve 7, the sliding sleeve 7 is connected with an embedded block 71, the embedded block 71 penetrates through the sliding groove 62 to be connected with the pull wire 5, the mounting seat 2 is provided with a mounting groove 23, the threaded hole 21 is formed in the bottom surface of the mounting groove 23, the clamp seat shaft 22 is arranged in the mounting groove 23, a fifth hole 125 used for ejecting the first clamp knife 13 is formed in the inner wall of the first groove 121, and a sixth hole 155 used for ejecting the second clamp knife 16 is formed in the inner wall of the second groove 151.
Through the scheme, the handheld ring 8 and the sliding sleeve 7 can be used by the same hand, the thumb is inserted into the handheld ring 8, and the sliding sleeve 7 is clamped by the index finger and the middle finger. Convenient to use, and the other hand can perform other necessary operations.
The protective sheath 3 is made of plastic film.
Through the scheme, the protective sleeve 3 is made of the plastic film which is not easy to damage, so that the replacement of the protective sleeve 3 is simpler, the production and the manufacturing are facilitated, and the cost is reduced.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (4)
1. Biopsy forceps, including handheld ring (8), handle (6), sliding sleeve (7), pipe (4) and acting as go-between (5), characterized by: the hand-held ring (8) is fixed at one end of the handle (6), the other end of the handle (6) is connected to the catheter (4), the handle (6) is cylindrical, a chute (62) is arranged on a cylinder wall (61) of the handle (6), the sliding sleeve (7) is sleeved on the handle (6), the stay wire (5) is arranged in the catheter (4) and the handle (6), one end of the stay wire (5) is connected with the sliding sleeve (7) through the chute (62), one end of the catheter (4) is connected with a clamp frame assembly (1), the clamp frame assembly (1) comprises a mounting seat (2), a first clamp seat (12), a second clamp seat (15), a first connecting plate (11) and a second connecting plate (14), the mounting seat (2) is connected to the catheter (4), the first clamp seat (12) and the second clamp seat (15) are symmetrically and rotationally connected to the mounting seat (2), one end of the first connecting plate (11) is connected with the stay wire (5), the other end of the first clamp seat (11) is connected to the second connecting plate (14) in a hinged mode, the other end of the first clamp seat (11) is hinged to the second connecting plate (14), the surgical biopsy forceps comprise a forceps holder assembly (1), a protective sleeve (3) used for isolation is arranged outside the forceps holder assembly (1), the protective sleeve (3) is sleeved in the forceps holder assembly and extends upwards along a catheter (4), a first forceps cutter (13) and a second forceps cutter (16) are arranged outside the protective sleeve (3), the first forceps cutter (13) is clamped on a first forceps holder (12), the second forceps cutter (16) is clamped on a second forceps holder (15), the first forceps cutter (13) is provided with a first cutting edge (131) and a first forceps groove (132), the second forceps cutter (16) is provided with a second cutting edge (161) and a second forceps groove (162), when a sliding sleeve (7) is pulled towards a handheld ring (8), a stay wire (5) moves along with the sliding sleeve (7) and pulls a first connecting plate (11) and a second connecting plate (14), the first forceps holder (12) and the second forceps holder (15) rotate in opposite directions, the first cutting edge (131) and the second cutting edge (161) are matched with the first forceps holder (132) and the biopsy forceps groove (132) can be closed;
the first clamp seat (12) is provided with a first groove (121), a first protruding band (124) is arranged in the first groove (121), the first clamp knife (13) is provided with a first clamping groove (133) matched with the first protruding band (124), the first clamp knife (13) is clamped into the first groove (121) through a protective sleeve (3), the second clamp seat (15) is provided with a second groove (151), a second protruding band (154) is arranged in the second groove (151), the second clamp knife (16) is provided with a second clamping groove (163) matched with the second protruding band (154), and the second clamp knife (16) is clamped into the second groove (151) through the protective sleeve (3);
the protective sleeve (3) is made of plastic film.
2. The biopsy forceps of claim 1, wherein: the utility model discloses a pair of pliers, including first pliers seat (12), second pliers seat (15), first pliers seat (12) still is equipped with first oblique arm (122) and first hole (123), second pliers seat (15) still is equipped with second oblique arm (152) and second hole (153), the other end of mount pad (2) still is equipped with pliers seat axle (22), pliers seat axle (22) pass first hole (123) and second hole (153), make first pliers seat (12) and second pliers seat (15) all rotate and connect on pliers seat axle (22), first oblique arm (122) articulate on first connecting plate (11), second oblique arm (152) articulate on second connecting plate (14), the other end of acting as go-between (5) is equipped with connecting axle (51), act as go-between (5) are connected with the both ends of connecting axle (51), first connecting plate (11) are equipped with third hole (111), second connecting plate (14) are equipped with fourth hole (141), connecting axle (51) pass third hole (111) and first connecting plate (141) and make first connecting plate (14) all rotate on connecting plate (51).
3. The biopsy forceps of claim 2, wherein: one end of pipe (4) is equipped with external screw thread (41), the one end of mount pad (2) be equipped with screw hole (21) of external screw thread (41) adaptation, mount pad (2) threaded connection is on pipe (4), and the position of relative pipe (4) can be adjusted to rotatory mount pad (2), and the distance between control connecting axle (51) and pincers seat axle (22) changes the angle between first pincers seat (12) and second pincers seat (15).
4. The bioptome of claim 3, wherein: the handheld ring (8) is an oval ring, the handle (6) is vertically fixed on the side edge of the handheld ring (8), an annular groove (72) suitable for clamping fingers is formed in the middle of the sliding sleeve (7), the sliding sleeve (7) is connected with an embedded block (71), the embedded block (71) penetrates through the sliding groove (62) to be connected with the pull wire (5), the mounting seat (2) is provided with a mounting groove (23), the threaded hole (21) is formed in the bottom surface of the mounting groove (23), the clamping seat shaft (22) is arranged in the mounting groove (23), a fifth hole (125) used for ejecting the first clamping knife (13) is formed in the inner wall of the first groove (121), and a sixth hole (155) used for ejecting the second clamping knife (16) is formed in the inner wall of the second groove (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546668.9A CN110236605B (en) | 2019-06-21 | 2019-06-21 | Biopsy forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910546668.9A CN110236605B (en) | 2019-06-21 | 2019-06-21 | Biopsy forceps |
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| Publication Number | Publication Date |
|---|---|
| CN110236605A CN110236605A (en) | 2019-09-17 |
| CN110236605B true CN110236605B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910546668.9A Active CN110236605B (en) | 2019-06-21 | 2019-06-21 | Biopsy forceps |
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| CN (1) | CN110236605B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920459A (en) * | 2020-09-11 | 2020-11-13 | 南微医学科技股份有限公司 | Biopsy forceps head, biopsy forceps and endoscopic system |
| CN112294373B (en) * | 2020-10-30 | 2022-07-29 | 苏州优脉瑞医疗科技有限公司 | Scope biopsy pincers convenient to sample |
| CN114224400B (en) * | 2021-12-14 | 2022-07-22 | 湖南朗开医疗科技有限公司 | Disposable quick biopsy forceps for bronchoscope |
| JP7735612B2 (en) * | 2022-07-29 | 2025-09-08 | マドゥロ ディスカバリー，エルエルシ― | Improved Catheter Hub |
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| JP2000279418A (en) * | 1999-03-30 | 2000-10-10 | Olympus Optical Co Ltd | Treatment tool for endoscope |
| EP2014218A2 (en) * | 2007-07-09 | 2009-01-14 | Olympus Medical Systems Corp. | Medical system |
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