CN213217574U - Sealing element of resectoscope - Google Patents
Sealing element of resectoscope Download PDFInfo
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- CN213217574U CN213217574U CN202021389472.8U CN202021389472U CN213217574U CN 213217574 U CN213217574 U CN 213217574U CN 202021389472 U CN202021389472 U CN 202021389472U CN 213217574 U CN213217574 U CN 213217574U
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- resectoscope
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
A sealing element of an resectoscope comprises a first end face, an outer ring peripheral face and a second end face which are sequentially connected, wherein the first end face and the second end face are oppositely arranged; the peripheral surface of the outer ring can be connected with the inner peripheral wall surface of the inner sheath of the resectoscope in a sealing way; the electric cutting mirror sealing piece further comprises a positioning part, the positioning part protrudes outwards or is sunken inwards from the first end face, and the positioning part can be connected with the electric cutting mirror handle in a matched mode. The utility model provides an resectoscope sealing piece, the technical defect who has solved prior art exists, this resectoscope sealing piece is installed in the resectoscope, the material of this resectoscope sealing piece is homogeneous, there is not internal clearance, its outer loop global and the inner peripheral wall surface sealing connection of resectoscope inner sheath, sealing performance is good, guarantee the sealed effect; in addition, the positioning part arranged on the sealing piece of the resectoscope can realize the circumferential positioning of the sealing piece of the resectoscope, avoid the influence of the rotation on the sealing performance and realize the optimal sealing function.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially relate to an resectoscope sealing member.
Background
The resectoscope is a common instrument for electrosurgery, can be used together with an electrode, and is widely applied to electrostomy minimally invasive hand treatment operations in urology surgery, such as diseases of prostatic hyperplasia, bladder tumor, hysteromyoma, endometrial polyp and the like. The universal electric cutting mirror consists of an outer sheath, an inner sheath, an endoscope and an operating handle, wherein the operating handle is an operator which can be connected with the inner sheath and the endoscope and is provided with an electrode. In the operation process, medical staff can hold the operation handle by hands, and the position of the electrode is controlled by pushing the sliding block on the handle by a thumb to cut and coagulate blood for tissues.
Patent WO99/51155 discloses an resectoscope, wherein, the proximal end of operating handle is connected with the proximal end of endoscope, and the distal end of operating handle is handle locking head for with the proximal end locking of interior sheath, in order to prevent electrolyte refluence to the handle during operation, the junction of handle locking head and interior sheath adopts the sealing plug sealed, specifically does: the side wall of the handle locking head is provided with a gap, the electrode rod is sleeved with a sealing plug, the sealing plug is matched with the gap of the handle locking head, when the electrode and the handle are installed together, the sealing plug fills the gap of the handle locking head, so that the outer surface of the handle locking head is continuous and smooth, the electrode rod is radially fixed on the handle, and the sealing plug is utilized to realize the relative sealing of the handle and the electrode part.
From the above, the sealing means of the prior art have the following technical drawbacks: 1) the connection area of the handle locking head and the sealing plug is small, so that the handle locking head and the sealing plug are not stably matched, and the sealing performance is poor; 2) because the handle locking head and the sealing plug are made of different materials respectively, the abrasion degree of the handle locking head and the sealing plug is different, a gap or poor combination is easily formed between the handle locking head and the sealing plug, and the sealing performance is further poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an resectoscope sealing piece, which solves the technical defects existing in the prior art, is arranged in a resectoscope, has uniform material and no internal clearance, has good sealing performance and ensures the sealing effect, and the peripheral surface of the outer ring of the resectoscope sealing piece is hermetically connected with the inner peripheral wall surface of the inner sheath of the resectoscope; in addition, the positioning part arranged on the sealing piece of the resectoscope can realize the circumferential positioning of the sealing piece of the resectoscope, avoid the influence of the rotation on the sealing performance and realize the optimal sealing function.
In order to achieve the above object, the present invention provides the following technical solutions:
the sealing element of the resectoscope comprises a first end face, an outer ring peripheral face and a second end face which are sequentially connected, wherein the first end face and the second end face are oppositely arranged; the peripheral surface of the outer ring can be connected with the inner peripheral wall surface of the inner sheath of the resectoscope in a sealing way; the electric cutting mirror sealing piece further comprises a positioning part, the positioning part protrudes outwards or is sunken inwards from the first end face, and the positioning part can be connected with the electric cutting mirror handle in a matched mode.
Further, the resectoscope sealing member is provided with a first through hole and a second through hole extending from the first end face to the second end face, wherein at least a part of an inner circumferential surface of the first through hole is in sealing connection with an outer circumferential surface of an endoscope rod of the resectoscope, and at least a part of an inner circumferential surface of the second through hole is in sealing connection with an outer circumferential surface of an electrode rod of the resectoscope.
Furthermore, a first radial convex ring is arranged in the first through hole in a protruding mode along the radial direction, and the first radial convex ring can be connected with the outer peripheral surface of an endoscope rod of the resectoscope in a sealing mode.
Furthermore, a second radial convex ring is arranged in the second through hole in a protruding mode along the radial direction, and the second radial convex ring can be connected with the outer peripheral surface of the electrode rod of the resectoscope in a sealing mode.
Furthermore, the handle of the resectoscope comprises a handle locking head, the handle locking head is provided with a notch, and the positioning part protrudes outwards from the first end face and is inserted into the notch; or the handle locking head is provided with a boss, and the positioning part is sunken inwards from the first end surface and is sleeved in the boss.
Furthermore, the outer ring peripheral surface and the inner peripheral wall surface of the inner sheath of the resectoscope are in interference fit.
Further, the second end face comprises a limiting face, the electric cutting mirror sealing element is clamped between the electric cutting mirror inner sheath and the electric cutting mirror handle, the limiting face can be abutted to the inner wall face of the electric cutting mirror inner sheath, and the first end face can be abutted to the electric cutting mirror handle.
Furthermore, the limiting surface is a conical surface, and the taper of the limiting surface is matched with the taper of the inner wall surface of the inner sheath of the resectoscope.
Further, the sealing element of the resectoscope is made of elastic materials.
Further, the sealing element of the resectoscope is made of soft elastic materials.
The utility model has the advantages that:
the utility model provides an resectoscope sealing member, this resectoscope sealing member is installed in the resectoscope, the material of this resectoscope sealing member is homogeneous, there is not the internal clearance, its outer loop global and the inner peripheral wall sealing connection of resectoscope inner sheath, solved among the prior art because handle locking head and sealing plug adopt different materials respectively, and the area of connection between the two is little, there is the clearance or combines badly between the two that lead to, and further lead to the not good technical defect of sealing performance, sealing performance is good, guarantee sealed effect; in addition, the positioning part arranged on the sealing piece of the resectoscope can realize the circumferential positioning of the sealing piece of the resectoscope, avoid the influence of the rotation on the sealing performance and realize the optimal sealing function.
Drawings
Fig. 1 is a schematic structural view of a sealing member of an resectoscope according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a sealing member of an resectoscope according to a second embodiment of the present invention;
fig. 3 is a schematic view of a sealing member of an resectoscope according to a second embodiment of the present invention installed in the resectoscope;
fig. 4 is a partially enlarged view of a portion a in fig. 3.
In the figure, 10-resectoscope sealing element, 11-first end face, 12-outer ring peripheral face, 13-second end face, 14-positioning part, 15-first through hole, 16-second through hole, 20-resectoscope sealing element, 21-first end face, 22-outer ring peripheral face, 23-second end face, 231-limiting face, 24-positioning part, 25-first through hole, 251-first radial convex ring, 26-second through hole, 261-second radial convex ring, 30-resectoscope, 31-resectoscope inner sheath, 32-resectoscope handle, 321-handle locking head, 321-1-notch, 322-hand piece locking joint, 33-endoscope rod, 34-electrode rod locking joint
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, fig. 1 is a schematic structural diagram of a sealing member of an resectoscope according to a first embodiment of the present invention.
The utility model provides an resectoscope sealing member 10 belongs to the medical instrument field, uses the resectoscope among the operation process, and this resectoscope sealing member 10 is installed in the resectoscope for electrolyte refluence to the resectoscope handle when preventing the operation.
Referring specifically to fig. 1, the present embodiment provides an resectoscope seal 10, the resectoscope seal 10 is substantially cylindrical, the resectoscope seal 10 includes a first end surface 11, an outer circumferential surface 12 and a second end surface 13 connected in sequence, the first end surface 11 and the second end surface 13 are two opposite end surfaces of the resectoscope seal 10; when the sealing member 10 of the resectoscope is installed in the resectoscope, the outer ring peripheral surface 12 is in sealing connection with the inner peripheral wall surface of the inner sheath of the resectoscope, the sealing mode is not limited, preferably, the outer ring peripheral surface 12 is in interference fit with the inner peripheral wall surface of the inner sheath of the resectoscope to realize the sealing of the two, and electrolyte is prevented from flowing back to the handle of the resectoscope during operation; the sealing piece 10 of the resectoscope further comprises a positioning part 14, the positioning part 14 protrudes outwards from the first end surface 11 to form a protruding part, or is sunken inwards to form a groove part, when the sealing piece 10 of the resectoscope is installed in the resectoscope, the positioning part 14 is connected with a handle of the resectoscope in a matching mode, so that the circumferential positioning of the sealing piece 10 of the resectoscope is realized, and the stability and the sealing performance of the sealing piece 10 of the resectoscope are further improved.
In the present embodiment, with reference to fig. 1, the sealing member 10 of the resectoscope is provided with a first through hole 15 and a second through hole 16 extending from the first end surface 11 to the second end surface 12, which are used for the endoscope rod of the resectoscope and the electrode rod of the resectoscope to pass through, so that the sealing member 10 of the resectoscope also serves to relatively position the endoscope rod of the resectoscope and the electrode rod of the resectoscope, and the mounting stability of the endoscope rod of the resectoscope and the electrode rod of the resectoscope is ensured; specifically, at least a part of the inner circumferential surface of the first through hole 15 is in sealing contact with the outer circumferential surface of the endoscope rod of the resectoscope, and the sealing therebetween prevents the electrolyte from flowing back to the resectoscope handle during the operation, and at least a part of the inner circumferential surface of the second through hole 16 is in sealing contact with the outer circumferential surface of the electrode rod of the resectoscope, and the sealing therebetween prevents the electrolyte from flowing back to the resectoscope handle during the operation, thereby ensuring the sealing performance of the resectoscope seal 10 against the endoscope rod of the resectoscope and the electrode rod of the resectoscope.
In the present embodiment, the sealing member 10 is preferably elastically deformable by being pressed, preferably made of an elastic material, and further preferably made of a soft elastic material, so as to further improve the sealing property of the sealing member 10.
In the embodiment, the sealing member 10 of the resectoscope is installed in the resectoscope, the sealing member 10 of the resectoscope is made of uniform materials, no internal gap similar to that in the prior art exists, the outer circumferential surface 12 of the resectoscope is connected with the inner circumferential wall surface of the inner sheath of the resectoscope in a sealing manner, and the technical defects that in the prior art, due to the fact that a handle locking head and a sealing plug are made of different materials and the connecting area between the handle locking head and the sealing plug is small, the internal gap or poor combination exists between the handle locking head and the sealing plug, and the sealing performance is further poor are overcome, the sealing performance is good, and the sealing effect is guaranteed; in addition, the positioning part 14 arranged on the sealing member 10 of the resectoscope can realize the circumferential positioning of the sealing member 10 of the resectoscope, avoid the influence of the rotation on the sealing performance and realize the optimal sealing function.
Example two:
referring to fig. 2-4, fig. 2 is a schematic structural view of an resectoscope sealing element according to a second embodiment of the present invention, fig. 3 is a schematic structural view of an resectoscope sealing element according to a second embodiment of the present invention installed in a resectoscope, and fig. 4 is a partial enlarged view of a position a in fig. 3.
In the present embodiment, referring to fig. 2 to 4 in particular, in the sealing member 20 for an resectoscope provided in the present embodiment, the sealing member 20 for a resectoscope is substantially cylindrical, the sealing member 20 for a resectoscope includes a first end surface 21, an outer circumferential surface 22 and a second end surface 23 connected in sequence, and the first end surface 21 and the second end surface 23 are two opposite end surfaces of the sealing member 20 for a resectoscope; when the resectoscope sealing element 20 is installed in the resectoscope 30, the outer ring peripheral surface 12 is connected with the inner peripheral wall surface of the resectoscope inner sheath 31 in a sealing manner, the sealing manner is not limited, preferably, the outer ring peripheral surface 12 is in interference fit with the inner peripheral wall surface of the resectoscope inner sheath 31 to realize the sealing between the outer ring peripheral surface 12 and the inner peripheral wall surface, so that electrolyte is prevented from flowing back to the resectoscope handle 32 during operation.
With continued reference to fig. 2-4, the sealing member 20 further includes a positioning portion 24, the positioning portion 24 is formed by protruding from the first end surface 21, but may also be formed by recessing inward to form a groove portion, and the like, and when the sealing member 20 is installed in the resectoscope 30, the positioning portion 24 is connected with the resectoscope handle 32 in a matching manner, so as to achieve circumferential positioning of the sealing member 20, and further improve stability and sealing performance of the sealing member 20. With continued reference to fig. 3 and 4, in practical applications, the resectoscope handle 32 most commonly includes a handle locking head 321, the handle locking head 321 is provided with a notch 321-1, the positioning portion 24 is formed by protruding outward from the first end surface 21, and is inserted into the notch 321-1 to circumferentially position the resectoscope sealing member 20.
In addition, when the positioning portion 24 is provided as a groove portion formed by being recessed inward from the first end surface 21, correspondingly, the handle locking head 321 is provided with a boss, the positioning portion 24 is formed by being recessed inward from the first end surface 21, and the boss is fitted to position the resectoscope seal 20 in the circumferential direction.
In the present embodiment, the sealing member 20 is preferably elastically deformable by being pressed, preferably made of an elastic material, and further preferably made of a soft elastic material, so as to further improve the sealing property of the sealing member 20.
In the present embodiment, with reference to fig. 2, the resectoscope seal 20 is provided with a first through hole 25 and a second through hole 26 extending from the first end face 21 to the second end face 22, which are used for respectively passing through the endoscope rod 33 of the resectoscope 30 and the electrode rod 34 of the resectoscope 30, so that the endoscope rod 33 of the resectoscope 30 and the electrode rod 34 of the resectoscope 30 are simultaneously positioned by the resectoscope seal 20, and the installation stability of the endoscope rod 33 of the resectoscope 30 and the electrode rod 34 of the resectoscope 30 is ensured; specifically, at least a part of the inner circumferential surface of the first through hole 25 is sealingly connected to the outer circumferential surface of the endoscope rod 33 of the resectoscope 30, and the sealing therebetween prevents the electrolyte from flowing back to the resectoscope handle 32 during the operation, and at least a part of the inner circumferential surface of the second through hole 26 is sealingly connected to the outer circumferential surface of the electrode rod 34 of the resectoscope 30, and the sealing therebetween prevents the electrolyte from flowing back to the resectoscope handle 32 during the operation, thereby ensuring the sealing performance of the resectoscope seal 20 against the endoscope rod 33 of the resectoscope 30 and the electrode rod 34 of the resectoscope 30.
With continued reference to fig. 3 and 4, it is preferable, but not limited to, that a first radial protruding ring 251 is protruded in the first through hole 25 along the radial direction, the first radial protruding ring 251 is in sealing fit with the outer peripheral surface of the endoscope rod 33 of the resectoscope 30, a second radial protruding ring 261 is protruded in the second through hole 26 along the radial direction, the second radial protruding ring 261 is in sealing fit with the outer peripheral surface of the electrode rod 34 of the resectoscope 30, and the arrangement of the first radial protruding ring 251 and the second radial protruding ring 261 further ensures the sealing performance and the installation stability of the resectoscope seal 20 to the endoscope rod 33 of the resectoscope 30 and the electrode rod 34 of the resectoscope 30.
In the present embodiment, referring to fig. 4, the second end surface 23 includes a limit surface 231, and in the resectoscope 30, the resectoscope seal 20 is interposed between the resectoscope inner sheath 31 and the resectoscope handle 32, and the limit surface 231 abuts against the inner end wall surface of the resectoscope inner sheath 31, and at the same time, the first end surface 21 abuts against the resectoscope handle 32. In this embodiment, but not limited to, preferably, the limiting surface 231 is a conical surface, and the taper of the limiting surface is matched with the taper of the inner wall surface of the inner sheath 31 of the resectoscope, so as to further ensure the sealing of the sealing member 20 of the resectoscope against the inner sheath 31 of the resectoscope.
In this embodiment, before the electrode rod 34 is connected to the handle 32 of the resectoscope, the sealing member 20 of the resectoscope is fitted to the electrode rod 34 through the first through hole 25, and when the electrode rod 34 is connected to the handle 32 of the resectoscope, the endoscope rod 33 is inserted through the second through hole 26, and after the inner sheath 31 of the resectoscope is mounted, the hand piece locking joint 322 is locked to lock the inner sheath 31 of the resectoscope and the handle locking head 321, and at this time, the sealing member 20 of the resectoscope is sandwiched between the inner sheath 31 of the resectoscope and the handle locking head 321, and the sealing member 20 of the resectoscope is pressed by the inner peripheral wall surface, the inner end wall surface, and the end surface of the handle locking head 321 of the inner sheath 31 of the resectoscope, and the sealing member 20 of the inner sheath 31 of the resectoscope and the handle locking head 321 forms a sealing layer between the inner sheath 31 of the resectoscope and the handle 32 of the resectoscope.
In the embodiment, the sealing member 20 of the resectoscope is installed in the resectoscope 30, the sealing member 20 of the resectoscope seals the inner sheath 31 of the resectoscope, the endoscope rod 33 and the electrode rod 34, the sealing member 20 of the resectoscope is made of uniform materials, no internal gap similar to that in the prior art exists, the outer circumferential surface 22 of the sealing member is connected with the inner circumferential surface of the inner sheath 31 of the resectoscope in a sealing manner, and the technical defects that in the prior art, the inner gap or poor combination exists between a handle locking head and a sealing plug due to the fact that the handle locking head and the sealing plug are made of different materials and the connecting area between the handle locking head and the sealing plug is small, the sealing performance is good, and the sealing effect is guaranteed; in addition, the positioning part 24 arranged on the sealing part 20 of the resectoscope can realize the circumferential positioning of the sealing part 20 of the resectoscope, avoid the influence of the rotation on the sealing performance and realize the optimal sealing function.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the solutions should be covered in the scope of the claims of the present invention.
Claims (10)
1. An resectoscope seal, characterized by:
the sealing piece of the resectoscope comprises a first end face, an outer ring peripheral face and a second end face which are sequentially connected, wherein the first end face and the second end face are oppositely arranged;
the peripheral surface of the outer ring can be connected with the inner peripheral wall surface of the inner sheath of the resectoscope in a sealing way;
the electric cutting mirror sealing piece further comprises a positioning part, the positioning part protrudes outwards or is sunken inwards from the first end face, and the positioning part can be connected with the electric cutting mirror handle in a matched mode.
2. The resectoscope seal of claim 1, wherein:
the sealing piece of the resectoscope is provided with a first through hole and a second through hole which extend from the first end face to the second end face, wherein,
at least a part of the inner circumferential surface of the first through hole is connected with the outer circumferential surface of the endoscope rod of the resectoscope in a sealing way, and at least a part of the inner circumferential surface of the second through hole is connected with the outer circumferential surface of the electrode rod of the resectoscope in a sealing way.
3. The resectoscope seal according to claim 2, wherein: a first radial convex ring is arranged in the first through hole in a protruding mode along the radial direction, and the first radial convex ring can be connected with the outer peripheral surface of an endoscope rod of the resectoscope in a sealing mode.
4. The resectoscope seal according to claim 2, wherein: and a second radial convex ring is arranged in the second through hole in a protruding mode along the radial direction, and the second radial convex ring can be connected with the outer peripheral surface of the electrode rod of the resectoscope in a sealing mode.
5. The resectoscope seal of claim 1, wherein: the handle of the resectoscope comprises a handle locking head, the handle locking head is provided with a notch, and the positioning part protrudes outwards from the first end face and is inserted into the notch; or the handle locking head is provided with a boss, and the positioning part is sunken inwards from the first end surface and is sleeved in the boss.
6. The resectoscope seal of claim 1, wherein: the outer ring peripheral surface and the inner peripheral wall surface of the inner sheath of the resectoscope are in interference fit.
7. The resectoscope seal of claim 1, wherein: the second end face comprises a limiting face, the resectoscope sealing element is clamped between the resectoscope inner sheath and the resectoscope handle, the limiting face can be abutted against the inner wall face of the resectoscope inner sheath, and the first end face can be abutted against the resectoscope handle.
8. The resectoscope seal according to claim 7, wherein: the limiting surface is a conical surface, and the taper of the limiting surface is matched with the taper of the inner wall surface of the inner sheath of the resectoscope.
9. An resectoscope seal according to any one of claims 1 to 8, wherein: the sealing element of the resectoscope is made of elastic materials.
10. The resectoscope seal according to claim 9, wherein: the sealing element of the resectoscope is made of soft elastic materials.
Priority Applications (2)
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CN202021389472.8U CN213217574U (en) | 2020-07-15 | 2020-07-15 | Sealing element of resectoscope |
PCT/CN2021/102358 WO2022012301A1 (en) | 2020-07-15 | 2021-06-25 | Resectoscope sealing member |
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CN202021389472.8U CN213217574U (en) | 2020-07-15 | 2020-07-15 | Sealing element of resectoscope |
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WO (1) | WO2022012301A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022012301A1 (en) * | 2020-07-15 | 2022-01-20 | 珠海市司迈科技有限公司 | Resectoscope sealing member |
CN114404031A (en) * | 2022-02-15 | 2022-04-29 | 珠海市司迈科技有限公司 | Electric cutter assembly and sealing structure thereof |
CN114504291A (en) * | 2022-01-20 | 2022-05-17 | 成都美创卓尔医疗科技有限公司 | Endoscope sheath capable of circularly flushing |
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DE3836120A1 (en) * | 1988-10-22 | 1990-04-26 | Wolf Gmbh Richard | RESECTOSCOPE WITH CUTTING Sling |
US7887558B2 (en) * | 2004-09-28 | 2011-02-15 | Maquet Cardiovascular Llc | Modular vessel harvesting system and method |
CN104138295B (en) * | 2014-07-09 | 2016-08-17 | 杨涛 | A kind of multi-purpose laser endoscope |
CN105250023B (en) * | 2015-11-20 | 2018-11-20 | 珠海市司迈科技有限公司 | A kind of resectoscope with novel sealing structure |
DE102017103545A1 (en) * | 2017-02-21 | 2018-08-23 | Karl Storz Se & Co. Kg | Probe setup for a resectoscope or other micro-invasive instrument |
CN207561977U (en) * | 2017-05-03 | 2018-07-03 | 杭州康友医疗设备有限公司 | Bipolar line resectoscope |
CN107252349B (en) * | 2017-05-03 | 2020-03-24 | 杭州康友医疗设备有限公司 | Bipolar line resectoscope |
CN110123442B (en) * | 2019-05-31 | 2024-06-11 | 珠海市司迈科技有限公司 | Matching structure and matching method of operating handle and electrode of resectoscope |
CN111513838A (en) * | 2020-04-13 | 2020-08-11 | 杭州得道医疗设备科技有限公司 | Resectoscope and sealing structure thereof |
CN213217574U (en) * | 2020-07-15 | 2021-05-18 | 珠海市司迈科技有限公司 | Sealing element of resectoscope |
-
2020
- 2020-07-15 CN CN202021389472.8U patent/CN213217574U/en active Active
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2021
- 2021-06-25 WO PCT/CN2021/102358 patent/WO2022012301A1/en active Application Filing
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022012301A1 (en) * | 2020-07-15 | 2022-01-20 | 珠海市司迈科技有限公司 | Resectoscope sealing member |
CN114504291A (en) * | 2022-01-20 | 2022-05-17 | 成都美创卓尔医疗科技有限公司 | Endoscope sheath capable of circularly flushing |
CN114404031A (en) * | 2022-02-15 | 2022-04-29 | 珠海市司迈科技有限公司 | Electric cutter assembly and sealing structure thereof |
CN114404031B (en) * | 2022-02-15 | 2024-05-03 | 珠海市司迈科技有限公司 | Electric cutting mirror assembly and sealing structure thereof |
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