CN114404031B - Electric cutting mirror assembly and sealing structure thereof - Google Patents
Electric cutting mirror assembly and sealing structure thereof Download PDFInfo
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- CN114404031B CN114404031B CN202210139741.2A CN202210139741A CN114404031B CN 114404031 B CN114404031 B CN 114404031B CN 202210139741 A CN202210139741 A CN 202210139741A CN 114404031 B CN114404031 B CN 114404031B
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- 238000007789 sealing Methods 0.000 title claims abstract description 178
- 230000002093 peripheral effect Effects 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 239000013013 elastic material Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000001125 extrusion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 206010004446 Benign prostatic hyperplasia Diseases 0.000 description 1
- 208000037062 Polyps Diseases 0.000 description 1
- 208000004403 Prostatic Hyperplasia Diseases 0.000 description 1
- 208000007097 Urinary Bladder Neoplasms Diseases 0.000 description 1
- 206010046798 Uterine leiomyoma Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00505—Urinary tract
- A61B2018/00517—Urinary bladder or urethra
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00547—Prostate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00559—Female reproductive organs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a sealing structure, which relates to the technical field of medical equipment, wherein the sealing structure is provided with a first through hole, the first through hole penetrates through the sealing structure and is configured to be penetrated by an endoscope or penetrated by an electrode rod, the sealing structure comprises a first tangent plane and a second tangent plane which are arranged in opposite directions, the first tangent plane and the second tangent plane extend from the outer side of the first through hole along the side wall of the first through hole to ensure that the sealing structure is in a disconnected arrangement, the first tangent plane and the second tangent plane can be relatively far away from or attached to each other, when the sealing structure is assembled on an electric cutting scope, the first tangent plane and the second tangent plane are in an attached sealing arrangement, and the first through hole is sealed and arranged on the outer peripheral side of the endoscope or the outer peripheral side of the endoscope and the electrode rod; the invention also discloses an electric cutting mirror assembly, which comprises an endoscope and a sealing structure; the endoscope is arranged in the first through hole in a penetrating way; the technical scheme of the invention aims to simplify the assembly and disassembly processes of the resectoscope assembly and improve the efficiency while ensuring the installation and sealing of the resectoscope.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an electrotome mirror assembly and a sealing structure thereof.
Background
The resectoscope is widely applied to the treatment of pathological tissues such as prostatic hyperplasia, bladder tumor, hysteromyoma, polyp and the like clinically, and mainly enters the human body cavity through the human body urethra to perform operation treatment on target tissues, and belongs to the minimally invasive operation of underwater electrosurgery; the mounting mode is that the endoscope is fixed on the operating handle, the rear end of the electrode rod is fixed on the sliding block of the operating handle and is parallel to the endoscope rod, and the front end of the electrode rod is clamped on the endoscope rod through the fixing clamping seat, so that the electrode rod slides forwards and backwards along the direction of the endoscope rod under the control of the operating handle; wherein, the endoscope and the electrode rod are inserted into the inner sheath tube and are tightly connected with the inner sheath tube, and the inner sheath through which the endoscope and the electrode rod pass is required to be in a sealed and watertight state with the operating handle.
At present, the sealing state between the operating handle and the inner sheath is realized by using a sealing ring; because the sealing ring is sleeved on the endoscope, when a doctor dismantles and changes the sealing ring of the resectoscope in operation, the endoscope and the operating handle are required to be dismounted to enable the endoscope to slide to be separated from the sealing ring, the front end part of the endoscope is required to pass through the sealing ring for mounting, the dismounting and mounting process is complex, and the operation efficiency is reduced.
Disclosure of Invention
The invention mainly aims to provide an electric cutting mirror assembly and a sealing structure thereof, and aims to simplify the assembly and disassembly processes of the electric cutting mirror and improve the efficiency while ensuring the installation and sealing of the electric cutting mirror.
In order to achieve the above object, the present invention provides a sealing structure, wherein a first through hole is formed in the sealing structure, and the first through hole penetrates through the sealing structure and is configured to allow an endoscope to pass through or allow the endoscope to pass through an electrode rod;
the sealing structure comprises a first tangent plane and a second tangent plane which are arranged in opposite directions, and the first tangent plane and the second tangent plane extend from the outer side of the first through hole along the side wall of the first through hole so that the sealing structure is in a disconnected arrangement;
The first section and the second section can be relatively far away or attached;
when the sealing structure is assembled on the electric cutting mirror, the first tangent plane and the second tangent plane are in fit sealing arrangement, and the first through hole is sealed and sleeved on the outer peripheral side of the endoscope or the outer peripheral sides of the endoscope and the electrode rod.
In some embodiments of the invention, the sealing structure is perpendicular to an axial cross section of the first through hole, and the first tangential plane forms a tangential line when the first tangential plane abuts against the second tangential plane;
The tangent line is included in the first endpoint of first through-hole, the axle center of first through-hole is from the extension line of first endpoint with the tangent line is the contained angle setting and contained angle is 15 degrees-35 degrees, just the contained angle is in the one side of keeping away from first through-hole.
In some embodiments of the present invention, the sealing structure is further provided with a second through hole spaced from the first through hole, and the second through hole penetrates through the sealing structure and is configured to pass through a power supply rod;
The sealing structure is perpendicular to the axial section of the first through hole, and a tangent line is formed when the first tangent plane is abutted with the second tangent plane;
the tangent line extends from one end of the first through hole along one side close to the second through hole;
the axis of the first through hole and the axis connecting direction of the second through hole are arranged at an included angle with the tangent line, and the included angle is 55-75 degrees.
In some embodiments of the invention, the tangent line is included at a first end point of the first through hole;
The axis of the first through hole and the axis connecting direction of the second through hole are arranged at an included angle with the axis of the first through hole from the radial direction of the first end point, the included angle is larger than or equal to 15 degrees, and the included angle is arranged at one side close to the second through hole.
In some embodiments of the present invention, when the sealing structure is not stressed, the first tangential plane and the second tangential plane are in a fitting state;
The sealing structure is perpendicular to the axial section of the first through hole, the first tangent plane is abutted with the second tangent plane to form a tangent line, and the tangent line is in a straight line shape.
In some embodiments of the invention, the sealing structure further comprises:
The first end face is used for abutting and sealing the inner sheath of the resectoscope;
the second end face is in butt joint with a handle for sealing the resectoscope;
an outer peripheral surface for abutting and sealing an inner peripheral wall of the inner sheath; wherein,
The first through hole penetrates through the first end face and the second end face, and the first tangent plane and the second tangent plane extend from the peripheral surface along the side wall of the first through hole.
In some embodiments of the invention, the first end face is conically configured.
In some embodiments of the present invention, the inner peripheral walls of the first through hole and the second through hole are each provided with a convex ring protruding from the inside along their respective radial directions.
In some embodiments of the present invention, the sealing structure is made of elastic material.
The invention also provides an electrotome mirror assembly, which comprises an endoscope and the sealing structure;
the sealing structure is provided with a first through hole, and the first through hole penetrates through the sealing structure and is configured for the endoscope to penetrate through;
the sealing structure comprises a first tangent plane and a second tangent plane which are arranged in opposite directions, and the first tangent plane and the second tangent plane extend from the outer side of the first through hole along the side wall of the first through hole so that the sealing structure is in a disconnected arrangement;
The first section and the second section can be relatively far away or attached;
When the sealing structure is assembled on the electric cutting mirror, the first tangent plane and the second tangent plane are in fit sealing arrangement, and the first through hole is sealed and sleeved on the outer peripheral side of the endoscope.
According to the technical scheme, the first through hole is formed for the endoscope to pass through, and because the sealing structure is provided with the first tangent plane and the second tangent plane which are arranged in a disconnected mode, when the endoscope is arranged on the operating handle and the sealing structure is required to be installed or detached, only external force is required to be applied to the first tangent plane or the second tangent plane, so that the first tangent plane and the second tangent plane are mutually far away to generate a gap, the endoscope can enter or leave the sealing structure from the radial direction, and the sealing structure is different from a traditional sealing ring, and a port of the endoscope is required to penetrate into the sealing ring or slide from the other port of the endoscope to leave the sealing ring; and when seal structure installs in the interior sheath of electron microscope subassembly, because interior sheath is to seal structure's periphery side butt for first tangent plane and second tangent plane receive the inner wall extrusion of interior sheath, realize that first tangent plane and second tangent plane laminate each other and seal, first through-hole atress realizes establishing the seal cover of endoscope simultaneously, has satisfied the assembly seal demand of electron microscope subassembly, has ensured the sealing state between interior sheath and the operating handle.
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 required in the embodiments or the description of the prior art will be briefly described, 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 the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a seal structure according to the present invention;
FIG. 2 is a second schematic diagram of the sealing structure of the present invention;
FIG. 3 is a third schematic structural view of the sealing structure of the present invention;
FIG. 4 is a schematic cross-sectional view of a seal structure according to the present invention;
FIG. 5 is a schematic illustration of the seal structure of the present invention;
FIG. 6 is a schematic structural view of a sealing structure according to another embodiment of the present invention;
FIG. 7 is a second schematic structural view of a sealing structure according to another embodiment of the present invention;
FIG. 8 is a schematic structural view of a sealing structure according to another embodiment of the present invention;
FIG. 9 is a second schematic structural view of a sealing structure according to another embodiment of the present invention;
FIG. 10 is a schematic view of the assembly of the seal structure of the present invention;
FIG. 11 is an enlarged schematic view of FIG. 10 at A;
FIG. 12 is an assembled partial cross-sectional view of the resectoscope assembly of the present invention;
Fig. 13 is an enlarged schematic view at B in fig. 12.
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Sealing structure | 140 | Second end face |
| 100A | First cut surface | 150 | An outer peripheral surface |
| 100B | Second cut noodles | 160 | Convex ring |
| 100C | Tangent line | 200 | Endoscope with a lens |
| 110C | First end point | 300 | Electrode rod |
| 110 | First through hole | 400 | Operating handle |
| 120 | Second through hole | 500 | Inner sheath |
| 130 | First end surface |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. 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.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination does not exist and is not within the scope of protection claimed by the present invention.
The invention provides a sealing structure 100, wherein the sealing structure 100 is applied to an electric cutting mirror assembly, and through the structure of the sealing structure 100 which is in a disconnected arrangement, a first through hole 110 can be transversely sleeved on an endoscope 200 through a gap generated when a first tangential surface 100A is mutually far away from a second tangential surface 100B, so that the sleeve connection and the installation between the endoscope 200 and the sealing structure 100 are realized, the installation and replacement process between the endoscope 200 and the sealing structure 100 is simplified, the installation and the disassembly of an electrode rod 300 can be realized without taking out the endoscope 200 positioned on an operation handle 400, the assembly and the disassembly processes are simplified, and the efficiency is improved.
Referring to fig. 1, the sealing structure 100 is provided with a first through hole 110, and the first through hole 110 penetrates through the sealing structure 100 and is configured for the endoscope 200 to penetrate or the endoscope 200 and the electrode rod 300 to penetrate; the endoscope 200 is sleeved through the first through hole 110, so that the sealing connection between the endoscope 200 and the sealing structure 100 is met, and the sealing arrangement between the inner sheath 500 and the operation handle 400 is realized through the sealing structure 100 and the inner sheath 500 of the resectoscope assembly in a wire-feeding sealing connection.
The first through hole 110 can be concentrically arranged or eccentrically arranged with the axis of the sealing structure 100, and its specific arrangement position can be set according to the required position of the through hole of the inner sheath 500, which is not limited herein; the first through hole 110 may be configured to be penetrated by the endoscope 200 or penetrated by the endoscope 200 and the electrode rod 300 simultaneously, so that the sealing and sleeving of the single endoscope 200 or the sealing and sleeving of the endoscope 200 and the electrode rod 300 simultaneously can be realized, and the outline of the first through hole 110 may be circular, rectangular or other geometric shapes so as to realize the sealing and sleeving of the working piece of the resectoscope, which is not particularly limited herein; in this embodiment, the first through hole 110 is circular and is configured to be penetrated by the endoscope 200.
Further, referring to fig. 2-4, the sealing structure 100 includes a first section 100A and a second section 100B disposed opposite to each other, and the first section 100A and the second section 100B extend from the outside of the first through hole 110 along the sidewall of the first through hole 110 to disconnect the sealing structure 100; the first cut surface 100A and the second cut surface 100B can be relatively far away from each other or attached to each other; by providing the sealing structure 100 in a broken state, when the first cut surface 100A and the second cut surface 100B are relatively far away, the endoscope 200 can be taken in or out along the radial direction of the first through hole 110 through the gap generated between the first cut surface 100A and the second cut surface 100B; the sealing integrity of the whole structure of the sealing structure 100 is realized through the fit between the first tangential surface 100A and the second tangential surface 100B, so that the influence of the gap generated between the first tangential surface 100A and the second tangential surface 100B on the sealing performance of the sealing structure 100 is avoided.
Specifically, when the sealing structure 100 is assembled to the resectoscope, the first tangential plane 100A and the second tangential plane 100B are in a fitting and sealing arrangement, and the first through hole 110 is sealed and sleeved on the outer peripheral side of the endoscope 200 or the outer peripheral sides of the endoscope 200 and the electrode rod 300; through the laminating seal of first tangent plane 100A and second tangent plane 100B, realize the sealed isolation state between interior sheath 500 and the operating handle 400, through the seal cover of first through-hole 110 simultaneously, realize the seal between the periphery side of first through-hole 110 and endoscope 200 or endoscope 200 and the periphery side of electrode rod 300, guaranteed the inside sealed effect of electron microscope when seal structure 100 assembles.
It should be noted that, the first tangential plane 100A and the second tangential plane 100B may be both planes, and the two tangential planes are mutually abutted through the two planar tangential planes; referring to fig. 6 to fig. 9, the first tangential plane 100A and the second tangential plane 100B may also be curved surfaces, and the two curved surfaces that achieve complementary abutment may achieve the adaptive abutment between the first tangential plane 100A and the second tangential plane 100B, where the curved surfaces may be curved along the axial direction of the first through hole 110, or curved along the radial direction of the first through hole 110 or irregularly curved, which is not further limited herein; the first tangential plane 100A and the second tangential plane 100B can be arranged with a plane and a curved surface, and one side with the curved surface can be abutted with one side with the plane in a sealing manner through external force; among them, various structures for satisfying the bonding and sealing between the first cut surface 100A and the second cut surface 100B when assembled in the inner sheath 500 are not specifically exemplified herein; preferably, the first tangential plane 100A and the second tangential plane 100B are disposed in a plane.
According to the sealing structure 100 with the technical characteristics, the first through hole 110 is provided for the endoscope 200 to penetrate, and since the sealing structure 100 is provided with the first section 100A and the second section 100B which are arranged in a disconnected manner, when the endoscope 200 is installed on the operation handle 400 and the sealing structure 100 needs to be installed or disassembled, only external force needs to be applied to the first section 100A or the second section 100B, so that the first section 100A and the second section 100B are mutually far away to generate a gap, and the endoscope 200 can radially enter or leave the sealing structure 100, and the port of the endoscope 200 needs to be penetrated into the sealing ring or be slidingly separated from the sealing ring from the other port of the endoscope 200, unlike a traditional sealing ring; and when seal structure 100 installs in the interior sheath 500 of electron microscope, because interior sheath 500 is to seal structure 100's periphery side butt for first tangent plane 100A and second tangent plane 100B receive the inner wall extrusion of interior sheath 500, realize that first tangent plane 100A and second tangent plane 100B laminate each other and seal, first through-hole 110 atress realizes establishing the seal cover of endoscope 200 simultaneously, has satisfied the assembly seal demand of electron microscope, has ensured the sealed state between interior sheath 500 and the operating handle 400.
Further, the sealing structure 100 is perpendicular to the axial section of the first through hole 110, and when the first tangential surface 100A is abutted against the second tangential surface 100B, a tangential line 100C is formed, and the extending direction of the tangential line 100C is the extending direction of the first tangential surface 100A and the second tangential surface 100B; note that the tangent line 100C may be a straight line or a curved line, which is not particularly limited herein.
Specifically, referring to fig. 5, the tangent line 100C is included in a first end 110C of the first through hole 110, an axis of the first through hole 110 forms an included angle with the tangent line 100C from an extension line of the first end 110C and the included angle is 15-35 degrees, wherein the included angle is denoted as an included angle α, the included angle α is at a side far away from the first through hole 110, so that the tangent line 100C is obliquely disposed at a certain angle α in the sealing structure 100, and the obliquely disposed tangent line 100C makes the first tangent plane 100A and the second tangent plane 100B obliquely disposed, so that a contact area between the first tangent plane 100A and the second tangent plane 100B is increased compared with a vertical arrangement, a sealing performance of the first tangent plane 100A and the second tangent plane 100B is improved when the first tangent plane 100A and the second tangent plane 100B are abutted against each other, a water seepage phenomenon caused by an unstable abutting seal of the first tangent plane 100A and the second tangent plane 100B due to an excessively large inclination angle α is avoided, and a gap is not convenient to apply a force to a break the sealing structure 100; preferably, the included angle α between the tangent line 100C and the extension line is 25 degrees, so that the tightness is satisfied and the user can conveniently apply force between the first tangential plane 100A or the second tangential plane 100B.
In this embodiment, referring to fig. 5, the sealing structure 100 is further provided with a second through hole 120 spaced from the first through hole 110, and the second through hole 120 penetrates through the sealing structure 100 and is configured to be penetrated by the electrode rod 300; the first through hole 110 of the sealing structure 100 is used for the endoscope 200 to penetrate, so that the sealing structure 100 is used for sealing the endoscope 200 and the electrode rod 300, and sealing treatment between the inner sheath 500 and the operation handle 400 is satisfied.
It should be noted that, referring to fig. 10-13, in the sealing structure 100 and the electrode rod 300 of the present embodiment, for replacing the used article, the electrode rod 300 is sleeved in the sealing ring and assembled with the operation handle 400, and the endoscope 200 is assembled on the operation handle 400 and radially mounted on or separated from the sealing structure 100 by the gap generated by the first tangential surface 100A and the second tangential surface 100B of the sealing structure 100; therefore, when a doctor needs to replace the electrode rod 300 in the operation process, the doctor does not need to pull out the endoscope 200 mounted on the operation handle 400 so as to separate from the sealing structure 100 sleeved on the electrode rod 300, the replacement of the electrode rod 300 and the sealing structure 100 can be realized only by moving the first section 100A and the second section 100B to enable the endoscope 200 to radially separate from the sealing structure 100, and the installation process only needs to apply force to the first section 100A and the second section 100B to enable the endoscope 200 to be radially mounted on the sealing structure 100, so that the installation of the electrode rod 300 and the sealing structure 100 can be realized, the replacement process does not need to pull out the endoscope 200 mounted on the operation handle 400, the assembly and the disassembly of the electrode rod 300 of the resectoscope are easier and more convenient, and the operation efficiency is greatly improved.
The conventional single-rod electrode has the sealing mode that the rubber is embedded in the socket of the operating handle, so that the sealing can meet the requirement in the initial stage, but the rubber can be worn and aged after a certain time of use, the sealing can not meet the requirement, the maintenance is difficult, and the cost is high; the rear end of the double-rod electrode is positioned on the operating handle, then the electrode is clamped on the endoscope rod from bottom to top, the sealing mode of the electrode is that a groove is formed right below the front end of the operating handle, the electrode is arranged in the groove from bottom to top, the sealing plug is sleeved on the electrode rod and can move to the groove to be consistent with the groove in size, a complete circle is formed on other metal parts at the front end of the operating handle, the sealing effect is achieved when the sealing plug is connected with an inner sheath interface, and most of the connecting sealing parts between the inner sheath and the operating handle are made of metal; therefore, the part of the operating handle connected with the front end of the inner sheath is shortened by one section, then the electrode rod is sleeved with the sealing structure, the electrode rod is repaired by one section when the electrode rod is installed, the sealing structure plays a role in sealing, the electrode rod passes through the first through hole and the second through hole, the endoscope passes through the first through hole, the electrode rod and the crossing part of the endoscope are completely sealed, the sealing structure and the electrode rod are disposable, and the problem caused by aging and abrasion does not exist.
Further, the sealing structure 100 is perpendicular to the axial section of the first through hole 110, and a tangent line 100C is formed when the first tangent plane 100A abuts against the second tangent plane 100B; the tangent line 100C extends from one end of the first through hole 110 along a side close to the second through hole 120; the extending direction of the tangent line 100C is the extending direction of the first tangent plane 100A and the second tangent plane 100B, and the side, close to the second through hole 120, of the broken portion of the first through hole 110 is extended, so that the side, far away from the second through hole 120, of the broken portion of the first through hole 110 is put on the upper side; if the extending direction is set from the side far from the second through hole 120, the broken part of the side sealing structure 100 is abutted against the inner side at the side far from the second through hole 120, and the surface of the side near to the second through hole 120 is inclined and leaned against the outer side but has larger volume, so that the broken part is not beneficial to the user to apply force to generate a gap; the tangential line 100C extends from one end of the first through hole 110 along a side close to the second through hole 120, so that a user can more conveniently apply force to a break of the sealing structure 100 when the user installs or removes the endoscope 200.
Specifically, referring to fig. 5, the axis of the first through hole 110 and the axis connecting direction of the second through hole 120 form an included angle with the tangent line 100C and the included angle is 55-75 degrees, the included angle is denoted as an included angle β, so that the contact area between the first tangential plane 100A and the second tangential plane 100B is prevented from being too small due to the included angle β to affect the bonding sealing effect, and meanwhile, the size of the broken part of the sealing structure 100 is prevented from being too large due to the too large inclination angle, and more force needs to be applied to generate a gap to affect the replacement efficiency; preferably, the included angle β is 65 degrees, so that the contact area between the first tangential surface 100A and the second tangential surface 100B meets the requirement of abutting and sealing, and meanwhile, the user can conveniently apply force to assemble or replace the broken part of the sealing structure 100.
Wherein the tangent line 100C is included at a first end 110C of the first through hole 110; the axis of the first through hole 110 and the axis connecting direction of the second through hole 120 form an included angle with the axis of the first through hole 110 from the radial direction of the first end point 110C and the included angle is greater than or equal to 15 degrees, referring to fig. 5, the included angle is denoted as an included angle γ, and the included angle γ is set near one side of the second through hole 120; the tangent line 100C of the sealing structure 100 can be located on one side of the first through hole 110 away from the second through hole 120, so that the volume of the broken part away from one end of the second through hole 120 is reduced, and the user can apply force to the sealing structure 100 to generate a gap convenient for installing the endoscope 200; if the first end 110C of the tangent line 100C is too close to the second through hole 120, the volumes on both sides of the fracture are too large, which affects the user to stir the gap at the fracture; preferably, the included angle γ is greater than or equal to 20 degrees, so that the user can apply a force to the first tangential plane 100A and the second tangential plane 100B away from each other.
In this embodiment, when the sealing structure 100 is not stressed, the first tangential plane 100A and the second tangential plane 100B are in a fitting state; when the sealing structure 100 is assembled to the inner sheath 500, the first tangential plane 100A and the second tangential plane 100B further abut against each other, thereby further improving the overall sealing performance of the sealing structure 100.
Specifically, the sealing structure 100 is perpendicular to the axial section of the first through hole 110, and the first tangential plane 100A and the second tangential plane 100B are abutted to form a tangential line 100C, where the tangential line 100C may be a straight line, an arc line or a curve, which is not listed herein; preferably, the tangent line 100C in the present embodiment is linear; in this embodiment, along the axial section parallel to the first through hole 110, the first tangential plane 100A and the second tangential plane 100B are also abutted to form an axial tangential line, and the axial tangential line is linear, and it should be noted that the axial tangential line along the axial section parallel to the first through hole 110 and the axial direction of the first through hole 110 may be parallel to each other or may be disposed at an angle, which is not limited herein; when the user performs interactive dislocation on the first section 100A or the second section 100B, the friction force between the first section 100A and the second section 100B is reduced, so that the user can perform the mounting or dismounting operation of the endoscope 200.
Further, the sealing structure 100 further includes a first end surface 130, a second end surface 140, and an outer peripheral surface 150; wherein, the first end surface 130 is used for abutting against the inner sheath 500 of the sealed resectoscope; the second end surface 140 is abutted against the handle of the sealed resectoscope; the outer peripheral surface 150 is used for abutting against the inner peripheral wall of the sealing inner sheath 500; when the sealing structure 100 is installed in the inner sheath 500 of the resectoscope, the outer peripheral surface 150 is in sealing connection with the inner peripheral wall surface of the inner sheath 500, preferably, the outer peripheral surface 150 is in interference fit with the inner peripheral wall surface of the inner sheath 500 to realize the sealing of the inner sheath 500 and the outer peripheral surface 150 and the inner peripheral wall surface, so that electrolyte backflow to the resectoscope handle during operation is avoided; and the first end surface 130 and the second end surface 140 are used for realizing the abutting connection of the inner sheath 500 and the operating handle 400, so that the assembly stability of the resectoscope is improved.
Wherein the first through hole 110 penetrates the first end surface 130 and the second end surface 140, and the first tangential surface 100A and the second tangential surface 100B extend from the outer circumferential surface 150 along the sidewall of the first through hole 110; the endoscope 200 and the electrode rod 300 are sleeved and mounted.
In this embodiment, the first end surface 130 is tapered, and through the adaptation of the tapered first end surface 130 and the inner sheath 500 towards one side surface of the sealing structure 100, the tapered first end surface 130 is in interference fit with the inner tapered surface of the inner pin, so that the sealing structure 100 realizes the abutting connection between the first tangential surface 100A and the second tangential surface 100B under the extrusion of the inner sheath 500, and because the first tangential surface 100A and the second tangential surface 100B are in an inclined arrangement, the first tangential surface 100A and the second tangential surface 100B realize better guiding abutting connection under the self-forced extrusion of the tapered first end surface 130, and meanwhile, the first through hole 110 can better realize the self-internal sealing sleeve connection of the endoscope 200, thereby further improving the assembly sealing property between the sealing structure 100 and the inner sheath 500.
Further, the inner peripheral walls of the first through hole 110 and the second through hole 120 are respectively provided with a convex ring 160 protruding from the inside along the respective radial directions; the convex ring 160 realizes the sealing sleeve arrangement between the endoscope 200 and the electrode rod 300 by the first through hole 110 and the second through hole 120, and further ensures the installation tightness and stability of the sealing structure 100.
Specifically, the sealing structure 100 is made of elastic material, and the sealing structure 100 made of elastic material can meet the requirement of being squeezed open at any time or being closed by a user, thereby facilitating the clamping of the sealing structure 100 from the side end of the endoscope 200 or the discharging of the sealing structure 100 from the side end of the endoscope 200, and simultaneously meeting the sealing arrangement of the sealing structure 100 on the inner sheath 500; the material of the sealing structure 100 may be an elastic material such as silica gel or silica gel, which is not specifically shown herein.
Referring to fig. 12-13, the present invention further provides an resectoscope assembly, which includes an endoscope 200 and a sealing structure 100, wherein the endoscope 200 is disposed in the first through hole 110; the specific structure of the sealing structure 100 refers to the above embodiment, and because the present resectoscope adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.
Therefore, by providing the resectoscope having the sealing structure 100, when a doctor changes the electrode rod 300 in operation, the doctor can change the electrode rod 300 without pulling out the endoscope 200 mounted on the operating handle 400, and only the broken position of the sealing structure 100 is required to be subjected to force application dislocation, so that the installation and detachment of the endoscope 200 can be realized, the sealing performance is satisfied, and meanwhile, the assembly and detachment processes of the resectoscope assembly are simplified, and the efficiency is improved.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (9)
1. The sealing structure is applied to the resectoscope and is characterized in that a first through hole is formed in the sealing structure, penetrates through the sealing structure and is configured for an endoscope to penetrate through or for the endoscope to penetrate through an electrode rod;
the sealing structure comprises a first tangent plane and a second tangent plane which are arranged in opposite directions, and the first tangent plane and the second tangent plane extend from the outer side of the first through hole along the side wall of the first through hole so that the sealing structure is in a disconnected arrangement;
The first section and the second section can be relatively far away or attached;
when the sealing structure is assembled on the resectoscope, the first tangent plane and the second tangent plane are in fit sealing arrangement, and the first through hole is sealed and sleeved on the outer peripheral side of the endoscope or the outer peripheral sides of the endoscope and the electrode rod;
The sealing structure is also provided with a second through hole which is arranged at intervals with the first through hole, and the second through hole penetrates through the sealing structure and is configured to be penetrated by an electrode rod;
The sealing structure is perpendicular to the axial section of the first through hole, and a tangent line is formed when the first tangent plane is abutted with the second tangent plane;
the tangent line extends from one end of the first through hole along one side close to the second through hole;
The axis of the first through hole and the axis connecting direction of the second through hole are arranged at an included angle with the tangent line, and the included angle is recorded as an included angle beta and is 55-75 degrees.
2. The seal of claim 1, wherein the seal is perpendicular to an axial cross-section of the first through bore, the first tangential plane forming a tangential line when abutted against the second tangential plane;
The tangent line is included in the first endpoint of first through-hole, the axle center of first through-hole is from the extension line of first endpoint with the tangent line is the contained angle setting, and this contained angle is recorded as contained angle alpha, is 15 degrees-35 degrees, just contained angle alpha is located the one side of keeping away from first through-hole.
3. The seal of claim 1, wherein the tangent line is included at a first end of the first through hole;
The axis of the first through hole and the axis connecting direction of the second through hole are arranged at an included angle with the axis of the first through hole from the radial direction of the first end point, the included angle is marked as an included angle gamma which is larger than or equal to 15 degrees, and the included angle gamma is positioned at one side close to the second through hole.
4. The seal of claim 1, wherein the first section and the second section are in a conforming state when the seal is unstressed;
The sealing structure is perpendicular to the axial section of the first through hole, the first tangent plane is abutted with the second tangent plane to form a tangent line, and the tangent line is in a straight line shape.
5. The seal structure of any one of claims 1-4, wherein the seal structure further comprises:
The first end face is used for abutting and sealing the inner sheath of the resectoscope;
the second end face is in butt joint with a handle for sealing the resectoscope;
an outer peripheral surface for abutting and sealing an inner peripheral wall of the inner sheath; wherein,
The first through hole penetrates through the first end face and the second end face, and the first tangent plane and the second tangent plane extend from the peripheral surface along the side wall of the first through hole.
6. The seal of claim 5 wherein said first end face is conically configured.
7. The seal structure according to claim 1, wherein the inner peripheral walls of the first through hole and the second through hole are each provided with a convex ring protruding from inside in their respective radial directions.
8. The seal of claim 1, wherein the seal is made of an elastic material.
9. An resectoscope assembly comprising an endoscope and a sealing arrangement as claimed in any one of claims 1 to 8;
the endoscope is arranged in the first through hole in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210139741.2A CN114404031B (en) | 2022-02-15 | 2022-02-15 | Electric cutting mirror assembly and sealing structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210139741.2A CN114404031B (en) | 2022-02-15 | 2022-02-15 | Electric cutting mirror assembly and sealing structure thereof |
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| CN114404031A CN114404031A (en) | 2022-04-29 |
| CN114404031B true CN114404031B (en) | 2024-05-03 |
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| CN202210139741.2A Active CN114404031B (en) | 2022-02-15 | 2022-02-15 | Electric cutting mirror assembly and sealing structure thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024028542A1 (en) * | 2022-08-05 | 2024-02-08 | Lamidey Noury Medical | Electrosurgical device for resector |
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| CN114404031A (en) | 2022-04-29 |
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