CN112998768A - Superfine abdominal cavity optical biopsy forceps - Google Patents
Superfine abdominal cavity optical biopsy forceps Download PDFInfo
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- CN112998768A CN112998768A CN202110412893.0A CN202110412893A CN112998768A CN 112998768 A CN112998768 A CN 112998768A CN 202110412893 A CN202110412893 A CN 202110412893A CN 112998768 A CN112998768 A CN 112998768A
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- abdominal cavity
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- optical biopsy
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- 238000001574 biopsy Methods 0.000 title claims abstract description 40
- 230000003287 optical effect Effects 0.000 title claims abstract description 25
- 210000000683 abdominal cavity Anatomy 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000003032 molecular docking Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007170 pathology Effects 0.000 description 3
- 238000001839 endoscopy Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 230000003211 malignant effect Effects 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000001198 duodenum Anatomy 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000012333 histopathological diagnosis Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 210000002429 large intestine Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000000277 pancreatic duct Anatomy 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000036269 ulceration Effects 0.000 description 1
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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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to an ultrafine abdominal cavity optical biopsy forceps which comprises a forceps head mechanism, a left handle and a right handle which are movably connected, a large catheter, a small catheter, a sliding block and a locking head mechanism. The biopsy forceps provided by the invention can finely adjust the extending length of the lens of the endoscope equipment inserted into the large catheter by using the distance fine adjustment module, thereby realizing stable and custom adjustment of the observation field of the endoscope, facilitating medical personnel to comprehensively observe the internal tissues of a patient during biopsy, being beneficial to improving the biopsy efficiency and having remarkable substantive characteristics.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ultrafine abdominal cavity optical biopsy forceps.
Background
Biopsy is "biopsy," also called surgical pathology examination for short, and refers to a technique of taking out pathological tissues from a patient's body by cutting, clipping, or puncturing, and performing pathology examination, as needed for diagnosis and treatment; it is the most important part in the diagnosis of pathology, and can make clear histopathological diagnosis for most of the examined cases, and is used as the final diagnosis of clinic; with the development of modern medical technology, endoscopes as extensions of eyes and hands of doctors have reached the state of 'no holes and no entering'. By endoscopy, the following diseases can be diagnosed: 1. inflammation, ulceration, benign and malignant tumors occurring in the digestive tract (including esophagus, stomach, duodenum, small intestine and large intestine); 2. benign and malignant lesions of liver, gallbladder and pancreatic duct systems; 3. benign and malignant lesions of the abdominal organs.
An optical biopsy forceps is an indispensable tool for taking pathological specimens in endoscopy. A general optical forceps structure is shown in the solution disclosed in patent document CN200520116621.2 entitled "bronchoscope optical forceps". The bronchoscope optical forceps are structurally characterized by further comprising a large catheter, a small catheter, a sliding block and a locking head mechanism, wherein the large catheter is fixedly connected with the small catheter, the left handle, the sliding block and the locking head mechanism are located at one end of the large catheter and one end of the small catheter, the right handle is movably connected with the sliding block, a push rod is located in the small catheter, one end of the push rod is movably connected with the forceps head mechanism, the other end of the push rod is fixed on the sliding block, and the forceps head mechanism and the axis of the large catheter and the axis of the small catheter form an inclination angle of 8-10 degrees.
However, in the above optical forceps structure, the endoscope is fixed at a single position, so that the visual field range is very limited when a medical worker performs a biopsy operation, the region to be examined cannot be observed comprehensively while operating the forceps head, the position of the device needs to be moved for many times, the use is troublesome, the operation efficiency is low, and a large improvement space exists.
Disclosure of Invention
In order to solve the problems that the installation position of an endoscope of a biopsy forceps on the market at present is fixed, the observable visual field is very limited during biopsy operation, and medical workers often cannot observe the whole tissue area to be inspected through the endoscope when operating the biopsy forceps to treat the tissues in a patient body, so that the biopsy efficiency is influenced, and the equipment operation difficulty is higher, the superfine abdominal cavity optical biopsy forceps are provided.
Superfine abdominal cavity optical biopsy pincers, including binding clip mechanism, swing joint's left and right handles, big pipe, little pipe, slider and tapered end mechanism, big pipe is fixed side by side with little pipe, is located to be connected through a interlock module that passes little pipe between binding clip mechanism in little pipe the place ahead and the slider, slider swing joint right handle, tapered end mechanism sets up in the end of big pipe, the end of big pipe is provided with apart from the fine setting module, apart from the fine setting module and include stiff end and expansion end, the expansion end activity cup joints on fixed end, tapered end mechanism is fixed in the activity and serves.
Further, the stiff end includes sliding tray, adjusting collar, the expansion end includes the slide bar, the sliding tray is fixed in the end of big pipe, and the adjusting collar is rotatory cup jointed in the end of big pipe, the tapered end mechanism is fixed in the end of slide bar, be provided with the drive slider that the slip cup jointed in the sliding tray on the slide bar, the drive slider still with the inboard internal thread fit connection of adjusting collar.
Furthermore, the number of the sliding grooves and the number of the driving sliding blocks are two, and the two sliding grooves and the two driving sliding blocks are respectively and symmetrically arranged.
Further, the sliding groove is arranged on a sliding groove sleeve, and the sliding groove sleeve is sleeved at the tail end of the large guide pipe.
Furthermore, the tail end surface of the large conduit is provided with a front limiting ring and a rear limiting ring, and the front end of the adjusting sleeve is rotatably sleeved between the front limiting ring and the rear limiting ring.
Further, the surface of adjusting the cover is provided with anti-skidding line.
Further, the linkage module comprises a hard steel wire, and the inner diameter of the small conduit is slightly smaller than the diameter of the hard steel wire.
Furthermore, the binding clip mechanism comprises a left binding clip and a right binding clip which are rotatably sleeved on the fixed shaft, the tail ends of the left binding clip and the right binding clip are respectively rotatably sleeved with one end of a connecting sheet through a pin shaft, the other ends of the two connecting sheets are rotatably sleeved on the binding clip rod through a connecting shaft, and the tail end of the binding clip rod is fixedly connected with the linkage module.
Furthermore, the lock head mechanism comprises a butt joint seat and a locking cover, the locking cover is sleeved on the butt joint seat, a screw through groove is formed in the side face of the butt joint seat, and a switch screw penetrates through the side face of the locking cover corresponding to the screw through groove.
Furthermore, a limiting ejector rod is installed on one side, corresponding to the right handle, of the left handle.
The invention has the advantages that:
1. the insertion depth of the endoscope head inserted into the front end of the large catheter can be finely adjusted by the distance fine adjustment module, so that the visual field range of observation can be conveniently adjusted as required in the biopsy operation process, and the working efficiency can be effectively improved.
2. The distance fine-tuning module is arranged at the rear of the equipment main body, so that the size of the part of the equipment inserted into a human body is not increased, and the miniaturization design of the structure of the biopsy forceps is facilitated.
3. The distance fine-tuning module can be added to the original biopsy forceps through simple adjustment, the production cost of the equipment is low, and the popularization and the use are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of an optical biopsy forceps for ultra-thin abdominal cavity;
FIG. 2 is a cross-sectional structure view of an optical biopsy forceps for ultra-fine abdominal cavity;
FIG. 3 is a detailed view of the part A in FIG. 2;
FIG. 4 is an exploded view of the large conduit, distance fine adjustment module and lock mechanism;
FIG. 5 is an exploded cross-sectional view of a large conduit, distance fine tuning module and lock mechanism;
fig. 6 is a detailed structural view of a portion B in fig. 5.
The attached drawings are as follows:
1. a binding clip mechanism; 11. a fixed shaft; 12. a left binding clip; 13. a right binding clip; 14. a pin shaft; 15. connecting sheets; 16. a connecting shaft; 17. a jaw lever; 2. a left handle; 21. a limit ejector rod; 3. a right handle; 4. a large conduit; 41. a front limit ring; 42. a rear limit ring; 5. a small catheter; 6. a slider; 7. a lock mechanism; 71. a docking station; 72. a locking cover; 73. a screw rod through groove; 74. a switch screw; 8. hard steel wires; 9. a distance fine-tuning module; 91. a sliding groove; 92. an adjusting sleeve; 921. an internal thread; 93. a slide bar; 94. a drive module; 95. a chute bushing; 10. and (4) anti-skid lines.
Detailed Description
In order to solve the problems that the installation position of an endoscope of a biopsy forceps on the market at present is fixed, the observable visual field is very limited during biopsy operation, and medical workers often cannot observe the whole tissue area to be inspected through the endoscope when operating the biopsy forceps to treat the tissues in a patient body, so that the biopsy efficiency is influenced, and the equipment operation difficulty is higher, the superfine abdominal cavity optical biopsy forceps are provided.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "middle", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
As shown in fig. 1 to 6, the present embodiment provides an ultrafine laparoscopic optical biopsy forceps, which includes a forceps head mechanism 1, a movably connected left handle 2 and right handle 3, a large catheter 4, a small catheter 5, a slider 6, and a locking mechanism 7, wherein the large catheter 4 and the small catheter 5 are fixed side by side, the forceps head mechanism 1 located in front of the small catheter 5 is connected with the slider 6 through a hard steel wire 8 passing through the small catheter 5, the slider 6 is movably connected with the right handle 3, the locking mechanism 7 is disposed at the end of the large catheter 4, the end of the large catheter 4 is provided with a distance fine-tuning module 9, the distance fine-tuning module 9 includes a fixed end and a movable end, the movable end is movably sleeved on the fixed end, and the locking mechanism 7 is fixed on the movable end.
During the in-service use, because tapered end mechanism 7 is fixed on the activity end apart from fine setting module 9, the endoscope inserts big pipe 4 and through tapered end mechanism 7 locking back, the depth of insertion of accessible apart from fine setting module 9 fine setting endoscope front end camera lens, and then realize the size adjustment of camera lens field of vision scope, made things convenient for when the operation binding clip carries out the biopsy to select to examine patient's internal tissue details or examine the whole condition on a large scale through the degree of stretching into of adjusting the camera lens as required, effectively reduced the operation degree of difficulty of biopsy forceps, can improve work efficiency.
The stiff end includes sliding tray 91, adjusting collar 92, the expansion end includes slide bar 93, sliding tray 91 is fixed in the end of big pipe 4, and adjusting collar 92 is rotatory cup jointed in the end of big pipe 4, tapered end mechanism 7 is fixed in the end of slide bar 93, be provided with the drive slider 94 that the slip cup jointed in sliding tray 91 on the slide bar 93, drive slider 94 still is connected with the inboard internal thread 921 cooperation of adjusting collar 92. Make internal thread 921 rotatory through rotatory adjusting collar 92, can drive slider 94 back-and-forth movement on sliding tray 91, and then realize endoscope head's front and back position fine setting, need not to dismantle tapered end mechanism 7, and it is comparatively accurate to use very convenient and adjust, satisfies endoscope head field of vision scope's fine setting demand.
The number of the sliding grooves 91 and the number of the driving sliders 94 are two, and the two sliding grooves 91 and the two driving sliders 94 are respectively and symmetrically arranged. The symmetrically arranged sliding grooves 91 and the driving slider 94 ensure sliding stability.
The sliding groove 91 is disposed on a chute sleeve 95, and the chute sleeve 95 is sleeved on the end of the large conduit 4. The sliding groove 91 arranged on the sliding groove sleeve 95 is an independent part, so that the manufacturing is convenient, and the process requirements of equipment can be reduced.
The end surface of the large conduit 4 is provided with a front limit ring 41 and a rear limit ring 42, and the front end of the adjusting sleeve 92 is rotatably sleeved between the front limit ring 41 and the rear limit ring 42. The adjusting sleeve 92 can rotate and is limited between the front limiting ring 41 and the rear limiting ring 42 to be incapable of moving back and forth, so that intuitive and accurate adjustment can be guaranteed.
The surface of the adjusting sleeve 92 is provided with anti-skid lines 10. The anti-slip threads 10 facilitate the fingers of the medical staff to hold the adjusting sleeve 92, thereby improving the operation hand feeling.
The linkage module comprises a hard steel wire 8, the inner diameter of the small conduit 5 is slightly smaller than the diameter of the hard steel wire 8, the hard steel wire 8 can be prevented from being stressed and deformed when the right handle 3 is pulled to push the sliding block 6 forwards, and the rapid and powerful opening and closing control of the binding clip mechanism 1 is ensured.
The binding clip mechanism 1 comprises a left binding clip 12 and a right binding clip 13 which are rotatably sleeved on a fixed shaft 11, the tail ends of the left binding clip 12 and the right binding clip 13 are respectively rotatably sleeved with one end of a connecting sheet 15 through a pin shaft 14, the other ends of the two connecting sheets 15 are rotatably sleeved on a binding clip rod 17 through a connecting shaft 16, and the tail end of the binding clip rod 17 is fixedly connected with the front end of a hard steel wire 8. The left binding clip 12 and the right binding clip 13 are adjusted to be opened and closed by a simple and efficient linkage mechanism through the front-back sliding of the right handle 3 driving the sliding block 6, which is beneficial to the miniaturization manufacture of the binding clip structure.
The lock mechanism 7 comprises a butt joint seat 71 and a locking cover 72, the locking cover 72 is sleeved on the butt joint seat 71, a screw through groove 73 is formed in the side surface of the butt joint seat 71, and a switch screw 74 penetrates through the side surface of the locking cover 72 corresponding to the screw through groove 73. Wherein the endoscope passes through the locking cap 72, the docking cradle 71, the slide bar 93 and the large duct 4 in sequence to the front end of the apparatus. And the inner side of the switch screw 74 can be snapped into the screw through groove 73 to fix the locking cover 72. The protrusion on the outside of the switch screw 74 facilitates the pulling to rotate the locking cap 72 for switching.
And one side of the left handle 2 corresponding to the right handle 3 is provided with a limiting ejector rod 21. Spacing ejector pin 21 can avoid left handle 2 and 3 multidimensions laminating of right handle, and then avoids stereoplasm steel wire 8 to be pulled out excessively and cause structural damage.
The foregoing is a more detailed description of the invention than is specifically described in connection with the preferred embodiments, and it is not intended to limit the invention to the particular forms disclosed, since all equivalent variations and modifications as fall within the scope of the appended claims are intended to be embraced therein.
Claims (10)
1. Superfine abdominal cavity optical biopsy pincers, including binding clip mechanism, swing joint's left and right handles, big pipe, little pipe, slider and tapered end mechanism, big pipe is fixed side by side with little pipe, is located and is connected through a interlock module that passes little pipe between binding clip mechanism in little pipe the place ahead and the slider, slider swing joint right handle, tapered end mechanism sets up in the end of big pipe, its characterized in that, the end of big pipe is provided with apart from fine setting module, apart from fine setting module including stiff end and expansion end, the expansion end activity cup joints on the fixed end, tapered end mechanism is fixed in on the expansion end.
2. The optical biopsy forceps for ultra-fine abdominal cavity as claimed in claim 1, wherein the fixed end includes a sliding groove and an adjusting sleeve, the movable end includes a sliding rod, the sliding groove is fixed at the end of the large catheter, the adjusting sleeve is rotatably sleeved at the end of the large catheter, the locking mechanism is fixed at the end of the sliding rod, the sliding rod is provided with a driving slider slidably sleeved in the sliding groove, and the driving slider is further connected with an internal thread inside the adjusting sleeve in a matching manner.
3. The optical biopsy forceps for ultra-fine abdominal cavity as claimed in claim 2, wherein the number of the sliding grooves and the driving sliders is two, and the two sliding grooves and the two driving sliders are respectively and symmetrically arranged.
4. The optical biopsy forceps for ultra-fine abdominal cavity according to claim 2 or 3, wherein the sliding groove is disposed on a chute sleeve, and the chute sleeve is sleeved on the end of a large catheter.
5. The optical biopsy forceps for ultra-fine abdominal cavity as claimed in claim 2, wherein the distal end surface of the large catheter is provided with a front limit ring and a rear limit ring, and the front end of the adjusting sleeve is rotatably sleeved between the front limit ring and the rear limit ring.
6. The optical biopsy forceps for ultra-fine abdominal cavity as claimed in claim 2, wherein the surface of the adjusting sleeve is provided with anti-slip lines.
7. The optical biopsy forceps for ultra-fine abdominal cavity as claimed in claim 1, wherein the linkage module comprises a hard steel wire, and the inner diameter of the small catheter is slightly smaller than the diameter of the hard steel wire.
8. The optical biopsy forceps for ultra-fine abdominal cavity as claimed in claim 1, wherein the forceps head mechanism comprises a left forceps head and a right forceps head rotatably sleeved on the fixed shaft, the ends of the left forceps head and the right forceps head are rotatably sleeved with one end of a connecting piece through a pin shaft, the other ends of the two connecting pieces are rotatably sleeved on a forceps head rod through a connecting shaft, and the ends of the forceps head rod are fixedly connected with the linkage module.
9. The optical biopsy forceps for ultra-fine abdominal cavity as claimed in claim 1, wherein the locking mechanism comprises a docking seat and a locking cover, the locking cover is sleeved on the docking seat, a screw through groove is formed in a side surface of the docking seat, and a switch screw penetrates through a side surface of the locking cover corresponding to the screw through groove.
10. The optical biopsy forceps for ultra-fine abdominal cavity as claimed in claim 1, wherein a limit ejector rod is mounted on a side of the left handle corresponding to the right handle.
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CN202110412893.0A CN112998768A (en) | 2021-04-16 | 2021-04-16 | Superfine abdominal cavity optical biopsy forceps |
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CN202110412893.0A CN112998768A (en) | 2021-04-16 | 2021-04-16 | Superfine abdominal cavity optical biopsy forceps |
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CN112998768A true CN112998768A (en) | 2021-06-22 |
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CN202110412893.0A Pending CN112998768A (en) | 2021-04-16 | 2021-04-16 | Superfine abdominal cavity optical biopsy forceps |
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- 2021-04-16 CN CN202110412893.0A patent/CN112998768A/en active Pending
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