CN117530652A - Disposable arthroscope sheath - Google Patents
Disposable arthroscope sheath Download PDFInfo
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- CN117530652A CN117530652A CN202311549607.0A CN202311549607A CN117530652A CN 117530652 A CN117530652 A CN 117530652A CN 202311549607 A CN202311549607 A CN 202311549607A CN 117530652 A CN117530652 A CN 117530652A
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- Prior art keywords
- sheath
- water inlet
- seat
- tailstock
- inlet valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 24
- 238000009826 distribution Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003252 repetitive effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
- A61B1/317—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes for bones or joints, e.g. osteoscopes, arthroscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00103—Constructional details of the endoscope body designed for single use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00105—Constructional details of the endoscope body characterised by modular construction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/015—Control of fluid supply or evacuation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Endoscopes (AREA)
Abstract
The invention relates to a disposable arthroscope sheath, which comprises a sheath connecting seat, a water inlet valve seat and a sheath tail seat, wherein the inner cavities of the sheath connecting seat, the water inlet valve seat and the sheath tail seat are all penetrated along the axial direction of the inner cavities, and a water inlet channel is arranged at the side part of the water inlet valve seat; the tail seat of the mirror sheath is positioned on the upper side of the water inlet valve seat, and the upper end of the tail seat of the mirror sheath is provided with a positioning piece; the mirror sheath connecting seat penetrates through the inner cavity of the water inlet valve seat and stretches into the inner cavity of the mirror sheath tail seat, a plurality of water inlet holes are distributed on the peripheral side portion of the mirror sheath connecting seat, the inner cavity of the mirror sheath connecting seat is communicated with the inner cavity of the water inlet valve seat through the water inlet holes, the mirror sheath tube is fixed at the lower end of the inner cavity of the mirror sheath connecting seat, the mirror sheath tube and the inner cavity of the mirror sheath connecting seat are an inner mirror channel, and the upper end of the mirror sheath connecting seat is fixedly locked with the mirror sheath tail seat through a fastener. The invention has reasonable structure, simple assembly and manufacture, satisfies all the functions of the repetitive arthroscope sheath, adopts a convenient arthroscope connection mode and a replaceable arthroscope connection device, achieves the effect of being applicable to most arthroscopes, and omits the disinfection flow of arthroscope operation.
Description
Technical field:
the invention belongs to the technical field of medical instrument mirror sheaths, and particularly relates to a disposable arthroscope sheath.
The background technology is as follows:
most arthroscope sheath bodies in the prior art are formed by adopting stainless steel for processing, welding and assembling, the arthroscope sheath is used repeatedly, a water valve in the structure is an indispensable precision part, and an area which is difficult to clean exists inside the arthroscope sheath body. And because the joint structure of the joint structure is different from that of an arthroscope, a plurality of repeatable arthroscope sheaths are required to be manufactured, and the problems of disinfection, sterilization, design and manufacture are solved. Accordingly, there is a need for a disposable arthroscopic sheath that will be developed by those skilled in the art to address the above-described challenges.
The invention comprises the following steps:
the invention aims to solve the problems existing in the prior art, namely the technical problem to be solved by the invention is to provide a disposable arthroscope sheath.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the disposable arthroscope sheath comprises a sheath connecting seat, a water inlet valve seat and a sheath tail seat, wherein the inner cavities of the sheath connecting seat, the water inlet valve seat and the sheath tail seat are all penetrated along the axial direction of the inner cavities, and a water inlet channel is arranged at the side part of the water inlet valve seat; the lens sheath tail seat is positioned on the upper side of the water inlet valve seat, and the upper end of the lens sheath tail seat is provided with a positioning piece; the endoscope sheath connecting seat penetrates through the inner cavity of the water inlet valve seat and stretches into the inner cavity of the endoscope sheath tail seat, a plurality of water inlet holes are distributed on the peripheral side portion of the endoscope sheath connecting seat, the inner cavity of the endoscope sheath connecting seat is communicated with the inner cavity of the water inlet valve seat through the water inlet holes, the lower end of the inner cavity of the endoscope sheath connecting seat is fixedly connected with an endoscope sheath tube, the inner cavities of the endoscope sheath tube and the endoscope sheath connecting seat are endoscope channels, and the upper end of the endoscope sheath connecting seat is fixedly locked with the endoscope sheath tail seat through a fastener.
Further, a sealing part which is arranged on the outer side of the mirror sheath tube in a surrounding way is arranged at the lower end of the mirror sheath connecting seat, and a first sealing ring is arranged between the sealing part and the lower end of the water inlet valve seat; a second sealing ring is arranged between the lower end of the sheath tailstock and the upper end of the water inlet valve seat.
Further, an external thread is arranged on the side wall of the periphery of the upper end of the sheath connecting seat; the fastening piece is a locking nut accommodated in the inner cavity of the sheath tailstock, and the locking nut is in threaded fit with the external thread so as to lock and fix the lower end of the sheath tailstock and the sheath connecting seat.
Further, the endoscope comprises a cone thorn assembly, wherein the cone thorn assembly comprises a cone thorn pipe penetrating through an endoscope channel, a cone thorn tail seat is fixed at the upper end of the cone thorn pipe, the lower end of the cone thorn tail seat is inserted into the upper end of an inner cavity of the endoscope sheath tail seat, and the cone thorn tail seat is matched with a positioning piece.
Further, a connecting screw hole which is penetrated along the radial direction of the upper end side part of the sheath tailstock is formed in the upper end side part of the sheath tailstock, the positioning piece is a positioning pin, and the positioning pin penetrates through the connecting screw hole in a threaded manner and stretches into the inner cavity of the sheath tailstock; the lower extreme periphery side of awl thorn tailstock is equipped with along its axial extension and is used for locating pin sliding fit's sliding tray, the upper end intercommunication of sliding tray has along the spacing spout of the circumference extension of awl thorn tailstock, and when rotating awl thorn tailstock, the locating pin slides along spacing spout to carry out axial spacing to awl thorn tailstock.
Further, a third sealing ring is arranged in the lens sheath tailstock and on the upper side of the fastening piece.
Further, the water inlet channels are a pair, the water inlet channels are distributed on the left side and the right side of the water inlet valve seat, and the water inlet channels extend along the radial direction of the water inlet valve seat.
Further, a water inlet valve is arranged on the water inlet channel.
Further, a plurality of first through holes are uniformly distributed on the peripheral side part of the lower end of the sheath tube, and the first through holes are communicated in the radial direction of the sheath tube; the upper end circumference side of mirror sheath pipe is equipped with two circles along its axial interval distribution's second through-hole, and every circle second through-hole is a plurality of and around mirror sheath pipe's axis evenly distributed, and two circles second through-hole are along mirror sheath pipe's circumference dislocation distribution.
Compared with the prior art, the invention has the following effects: the invention has reasonable structure, the sheath connecting seat, the water inlet valve seat and the sheath tailstock are of split structure, the assembly and the manufacture are simple, the functions of all the repeatable arthroscope sheaths are satisfied,and using screw threads The connection mode connects the sheath connecting seat and the sheath tail seat together, wherein the sheath tail seat can be connected according to different arthroscopes The mouth is adapted to be replaced and the mouth is provided with a plurality of holes,the effect of being suitable for most arthroscopes is achieved, and the disinfection flow of arthroscope operation is avoided.
Description of the drawings:
FIG. 1 is a schematic view of a front cross-sectional configuration of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic diagram of an exploded view of an embodiment of the present invention;
FIG. 4 is a schematic perspective view of an embodiment of the present invention;
FIG. 5 is a schematic illustration of an embodiment of the present inventionSNNSchematic three-dimensional structure of the sheath tailstock;
FIG. 6 is a schematic illustration of an embodiment of the present inventionSNNThree-dimensional structure schematic diagram of cone-shaped stab tailstock；
FIG. 7 is a schematic view showing an exploded view of the disposable arthroscopic sheath in combination with the STY sheath tailstock according to the present invention;
FIG. 8 is a partial front view cross-sectional view of a disposable arthroscopic sheath in combination with an STY sheath tailstock according to an embodiment of the present invention
A schematic diagram;
FIG. 9 is a schematic perspective view of the tail block of the STY lens sheath according to the embodiment of the present invention;
FIG. 10 is a schematic perspective view of an STY cone-shaped tail seat according to an embodiment of the present invention。
In the figure:
1-a sheath tube; 2-a sheath connecting seat; 3-a first sealing ring; 4-a water inlet valve seat; 5-a water inlet valve; 6-locking the nut; 7-a second sealing ring; 8-a sheath tailstock; 9-a third sealing ring; 10-cone-shaped pipe; 11-locating pins; 12-cone thorn tailstock; 13-a seal; 14-a water inlet channel; 15-water inlet holes; 16-a sliding groove; 17-limiting sliding grooves; 18-a first through hole; 19-second through hole；20-STY A sheath tailstock; 21-a clamping device; 22-STY cone thorn tailstock; 23-a through hole portion; 24-clamping grooves; 25-arc-shaped notches; 26-clamping plate; 27-torsion spring。
The specific embodiment is as follows:
the invention will be described in further detail with reference to the drawings and the detailed description.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 6, the disposable arthroscope sheath of the invention comprises a sheath tube 1, a sheath connecting seat 2, a water inlet valve 4 seat and a sheath tail seat 8, wherein the inner cavities of the sheath connecting seat 1, the water inlet valve seat 4 and the sheath tail seat 8 are all communicated along the respective axial directions, the side part of the water inlet valve seat 4 is provided with a water inlet channel 14, and the water inlet channel 14 is communicated with the inner cavity of the water inlet valve seat 4 so as to facilitate water inlet; the endoscope sheath tail seat 8 is used for being connected with the arthroscope, the endoscope sheath tail seat 8 is positioned on the upper side of the water inlet valve seat 4, the lower end face of the endoscope sheath tail seat 8 is in butt joint with the upper end face of the water inlet valve seat 4, the upper end of the endoscope sheath tail seat 8 is provided with a positioning piece, and the positioning piece is used for positioning other instruments matched with the endoscope sheath for use; the mirror sheath connecting seat 2 penetrates through the inner cavity of the water inlet valve seat 4, the upper end of the mirror sheath connecting seat extends into the inner cavity of the mirror sheath tailstock 8, a plurality of water inlet holes 15 are uniformly distributed on the peripheral side part of the mirror sheath connecting seat 2, the inner cavity of the mirror sheath connecting seat 2 is communicated with the inner cavity of the water inlet valve seat 4 through the water inlet holes, water in the water inlet valve seat is facilitated to enter the inner cavity of the mirror sheath connecting seat 8, the mirror sheath pipe 1 is fixedly connected to the lower end of the inner cavity of the mirror sheath connecting seat 2, the inner cavity of the mirror sheath pipe 1 and the inner cavity of the mirror sheath connecting seat 2 are an endoscope channel, the upper end of the mirror sheath connecting seat 2 is fixedly locked with the mirror sheath tailstock 8 through a fastener, and the fastener is positioned at the lower end of the inner cavity of the mirror sheath tailstock 8.
In this embodiment, a sealing part 13 is disposed at the lower end of the sheath connecting seat 2 and is disposed around the outer side of the sheath tube 1, and a first sealing ring 3 is disposed between the sealing part 13 and the lower end of the water inlet valve seat 4; a second sealing ring 7 is pressed between the lower end of the sheath tailstock 8 and the upper end of the water inlet valve seat 4. The first sealing ring 3 and the second sealing ring 7 are used for keeping sealing among the water inlet valve seat 4, the mirror sheath connecting seat 2 and the mirror sheath tailstock 8. And because the function of the sealing ring makes the water inlet valve seat 4 rotate relatively with the mirror sheath connecting seat 2 and the mirror sheath tailstock 8 on the two sides, so that a water pipe connected with a water inlet channel of the water inlet valve seat is not easy to bend and static, and the mirror sheath is more convenient and faster to work.
In this embodiment, an external thread is provided on the outer peripheral sidewall of the upper end of the sheath connecting seat 2; the fastener is a lock nut 6 accommodated in the inner cavity of the sheath tailstock 8, and the lock nut 6 is in threaded fit with the external thread so as to lock and fix the lower end of the sheath tailstock and the sheath connecting seat.
In this embodiment, a third sealing ring 9 is disposed in the sheath tailstock 8 above the lock nut, and the third sealing ring 9 enables the arthroscope or the cone to be connected with the sheath for sealing.
In this embodiment, the lower end surface of the sheath tube 1 is an inclined surface, that is: the lower port of the sheath tube is a bevel; the locating piece is used for locating the arthroscope, the locating piece corresponds to the position of the bevel connection, and the orientation information of the sheath tube 1 can be obtained during working.
In this embodiment, a connecting screw hole penetrating radially is formed in the upper end side portion of the sheath tailstock 8, the positioning member is a positioning pin 11, and the positioning pin 11 is threaded to penetrate through the connecting screw hole and extend into the inner cavity of the sheath tailstock 8.
In this embodiment, the water inlet channels 14 are a pair, the water inlet channels 14 are distributed on the left and right sides of the water inlet valve seat 4, and the water inlet channels 14 extend along the radial direction of the water inlet valve seat. In arthroscopic surgery, after the water inlet channels on both sides of the water inlet valve seat 4 are connected with water pipes, the arthroscopic ports and the lower ports of the arthroscopic sheath 1 need to be kept consistent, and the parts in different directions need to be observed in a rotating mode. The water inlet valve seat 4 is communicated with water from two ends of the water inlet valve seat to enter the mirror sheath tube 1, so that the water inlet and outlet functions are completed. The water inlet channels on the left side and the right side of the water inlet valve seat 4 are respectively provided with a water inlet valve 5, so that the water inlet and outlet functions during working can be controlled, wherein the valve handle position of the water inlet valve 5 is the same as the water flow direction, and water is stopped in the same direction as the water flow direction.
In the embodiment, the sheath tube 1 is made of medical stainless steel, and the rest parts are made of plastic materials, so that the production process is simple and the production cost is low.
In this embodiment, six first through holes 18 are uniformly distributed on the peripheral side portion of the lower end of the sheath tube 1, and the first through holes 18 penetrate along the radial direction of the sheath tube 1, so as to reduce the water inlet pressure and prevent tissue damage.
In this embodiment, the upper end week lateral part of mirror sheath pipe 1 is equipped with two circles along its axial interval distribution's second through-hole 19, and every circle second through-hole is a plurality of and around mirror sheath pipe's axis evenly distributed, and two circles second through-hole are along mirror sheath pipe's circumference dislocation distribution, carries out integrative injection molding with plastic material's mirror sheath connecting seat for it can be with plastic material's mirror sheath connecting seat firm connection, and production technology is simple, and manufacturing cost is lower.
In this embodiment, the sheath tailstock 8 is mainly used for connecting arthroscope and sheath connecting seat, because the required connection structure of different arthroscopes is different, and the connection of sheath tailstock 8 and sheath connecting seat 2 is comparatively convenient, so the sheath tailstock is designed to be replaceable, so that the effect of most arthroscopes is suitable, and the disinfection flow of arthroscope operation is avoided.Such as STY lens sheath tailstock adaptation Most arthroscopes matched with Stryker Shi Saike, and SNN sheath tailstock matched with Smith&Most arthroscopes of Nephew schlegend Etc.
In the present embodiment, the sheath and the sheath are usedSNNCone-spike Assembly matching for exampleAt this time, the sheath tail seat adopts an SNN sheath tail A seat, as shown in figures 5, 6;the saidSNNThe cone thorn subassembly includes the cone thorn pipe 10 that runs through the scope passageway, the upper end of cone thorn pipe 10 is fixed with cone thorn tailstock 12, the lower extreme of cone thorn tailstock 12 inserts and establishes in the inner chamber upper end of mirror sheath tailstock 8, and cone thorn tailstock cooperatees with the setting element.
Specifically, the lower extreme periphery side of awl thorn tailstock 12 is equipped with along its axial extension and is used for locating pin 11 sliding fit's sliding tray 16, the upper end intercommunication of sliding tray 16 has along the spacing spout 17 of the circumference extension of awl thorn tailstock 12, and when rotating awl thorn tailstock 8, locating pin 11 slides along spacing spout 17 to carry out axial spacing to the awl thorn tailstock. When the conical tube 10 is used, the conical tube 10 sequentially passes through the sheath tailstock 8, the sheath connecting seat 2 and the sheath tube 1, when the conical tailstock 11 is inserted into the sheath tailstock 8, the positioning pin 11 slides along the sliding groove 16, when the positioning pin 11 is abutted against the upper end of the sliding groove 16, the conical tube 10 is inserted into place at the moment, then the conical tailstock 12 is rotated, the positioning pin 11 slides along the limiting chute 17 in the process, and the positioning pin 11 plays a role in axially limiting the conical tailstock 12.
In the embodiment, the outer surface of the cone-shaped tail seat adopts an ergonomic structure, so that an operator can operate the cone-shaped tail seat smoothly and conveniently.
In the present embodiment of the present invention,the sheath tailstock may have 2 specifications, SNN sheath tailstock and STY sheath tailstock, as shown in FIG. 5 The SNN sheath tailstock 8 can be adapted to most Schlegel arthroscope connection interfaces, and the STY sheath tailstock 20 can be adapted as shown in FIG. 9 The vast majority of the Sticker arthroscope connection interfaces should be considered, wherein the holder 21 on the STY scope sheath tailstock 20 can lock the STY taper Tailstock 22. Is suitable for various arthroscopes, and particularly, because the connection mode of the sheath tail body of the arthroscopes is convenient and fast, the process production is simple, and the arthroscopes are large The production and design costs are reduced.
In particular, as shown in FIGS. 7-10, when STY sheath tailstock 20 is employed, STY sheath tailstock 20 and STY taper assembly
Is matched with the components. Wherein, the STY cone-shaped component comprises a cone-shaped tube 10 penetrating through an endoscope channel, and the upper end of the cone-shaped tube 10 is fixed with
STY cone tail stock 22; the middle part of the STY sheath tailstock 20 is provided with a through hole part 23 which is favorable for penetration of the cone-shaped puncture tube 10, and the sheath connecting seat 2
The upper end of the through hole part 23 extends into the lower end of the through hole part 23 and is connected with the lower end of the through hole part 23 through screw threads; the lower end of the STY cone-shaped tail seat 22 is inserted and arranged at
The outer circumferential surface of one end of the STY cone thorn tailstock 22 extending into the through hole 23 is provided with a ring-shaped clamping groove 24; by a means of
An arc-shaped notch 25 is arranged on the outer circumferential surface of the upper end of the STY lens sheath tailstock 20, the arc-shaped notch 25 is communicated with the through hole part 23, and the arc-shaped
The notch 25 corresponds to the position of the clamping groove 24; the clamping device 21 is accommodated inside the arc-shaped notch 25, and the clamping device 21 is wrapped
Comprises two clamping plates 26 connected through a hinge shaft, the hinge shaft is arranged in the arc-shaped notch 25 and is sleeved with a torsion spring 27 at the outer side
Two ends of the spring 27 are respectively abutted against two clamping plates 26, one end of each clamping plate extends into the through hole part 23, and the other end extends out of the arc-shaped notch 25
(the clamping means are identical to the prior art clamp arrangements). In use, the two clamping plates 26 are manually pinched to cause the clamping device to beat
After that, the cone-shaped pipe 10 is penetrated through the through hole part 23, the lower end of the STY cone-shaped tailstock 22 is extended into the upper end of the through hole part 23, and the groove is clamped
24 correspond to the positions of the arc-shaped notch 25, and finally the two clamping plates 26 are loosened to enable the two clamping plates 26 to extend into the clamping groove 24, thereby realizing
The clamping device clamps the STY cone puncture tailstock 22.
When the endoscope is in operation, the possibility of using the endoscope rapidly and repeatedly is realized, and the damage of repeated disinfection of the instrument to the endoscope is reduced; as the product is provided in a sterile way, the risk of sterilization is reduced.
If the invention discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (9)
1. A disposable arthroscopic sheath, characterized by: the device comprises a mirror sheath connecting seat, a water inlet valve seat and a mirror sheath tail seat, wherein the inner cavities of the mirror sheath connecting seat, the water inlet valve seat and the mirror sheath tail seat are all communicated along the axial direction of the inner cavities, and a water inlet channel is arranged at the side part of the water inlet valve seat; the lens sheath tail seat is positioned on the upper side of the water inlet valve seat, and the upper end of the lens sheath tail seat is provided with a positioning piece; the endoscope sheath connecting seat penetrates through the inner cavity of the water inlet valve seat and stretches into the inner cavity of the endoscope sheath tail seat, a plurality of water inlet holes are distributed on the peripheral side portion of the endoscope sheath connecting seat, the inner cavity of the endoscope sheath connecting seat is communicated with the inner cavity of the water inlet valve seat through the water inlet holes, the lower end of the inner cavity of the endoscope sheath connecting seat is fixedly connected with an endoscope sheath tube, the inner cavities of the endoscope sheath tube and the endoscope sheath connecting seat are endoscope channels, and the upper end of the endoscope sheath connecting seat is fixedly locked with the endoscope sheath tail seat through a fastener.
2. A disposable arthroscopic sheath according to claim 1 and wherein: the lower end of the mirror sheath connecting seat is provided with a sealing part which is arranged on the outer side of the mirror sheath pipe in a surrounding way, and a first sealing ring is arranged between the sealing part and the lower end of the water inlet valve seat; a second sealing ring is arranged between the lower end of the sheath tailstock and the upper end of the water inlet valve seat.
3. A disposable arthroscopic sheath according to claim 1 and wherein: the outer peripheral side wall of the upper end of the sheath connecting seat is provided with external threads; the fastening piece is a locking nut accommodated in the inner cavity of the sheath tailstock, and the locking nut is in threaded fit with the external thread so as to lock and fix the lower end of the sheath tailstock and the sheath connecting seat.
4. A disposable arthroscopic sheath according to claim 1 and wherein: the endoscope comprises an endoscope body, and is characterized by further comprising a cone thorn assembly, wherein the cone thorn assembly comprises a cone thorn pipe penetrating through the endoscope channel, the upper end of the cone thorn pipe is fixedly provided with a cone thorn tail seat, the lower end of the cone thorn tail seat is inserted into the upper end of an inner cavity of the endoscope sheath tail seat, and the cone thorn tail seat is matched with a positioning piece.
5. A disposable arthroscopic sheath according to claim 4 and wherein: the side part of the upper end of the sheath tailstock is provided with a connecting screw hole which is penetrated along the radial direction of the sheath tailstock, the positioning piece is a positioning pin, and the positioning pin penetrates through the connecting screw hole in a threaded manner and stretches into the inner cavity of the sheath tailstock; the lower extreme periphery side of awl thorn tailstock is equipped with along its axial extension and is used for locating pin sliding fit's sliding tray, the upper end intercommunication of sliding tray has along the spacing spout of the circumference extension of awl thorn tailstock, and when rotating awl thorn tailstock, the locating pin slides along spacing spout to carry out axial spacing to awl thorn tailstock.
6. A disposable arthroscopic sheath according to claim 1 and wherein: and a third sealing ring is arranged in the sheath tailstock and on the upper side of the fastening piece.
7. A disposable arthroscopic sheath according to claim 1 and wherein: the water inlet channels are a pair, the water inlet channels are distributed on the left side and the right side of the water inlet valve seat, and the water inlet channels extend along the radial direction of the water inlet valve seat.
8. A disposable arthroscopic sheath according to claim 1 or 7 and wherein: and a water inlet valve is arranged on the water inlet channel.
9. A disposable arthroscopic sheath according to claim 1 and wherein: a plurality of first through holes are uniformly distributed on the peripheral side part of the lower end of the mirror sheath tube, and the first through holes are communicated along the radial direction of the mirror sheath tube; the upper end circumference side of mirror sheath pipe is equipped with two circles along its axial interval distribution's second through-hole, and every circle second through-hole is a plurality of and around mirror sheath pipe's axis evenly distributed, and two circles second through-hole are along mirror sheath pipe's circumference dislocation distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311549607.0A CN117530652A (en) | 2023-11-20 | 2023-11-20 | Disposable arthroscope sheath |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311549607.0A CN117530652A (en) | 2023-11-20 | 2023-11-20 | Disposable arthroscope sheath |
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| CN117530652A true CN117530652A (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311549607.0A Pending CN117530652A (en) | 2023-11-20 | 2023-11-20 | Disposable arthroscope sheath |
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| CN (1) | CN117530652A (en) |
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