CN210185719U - Objective lens sterile cover fixing device and operating microscope - Google Patents

Objective lens sterile cover fixing device and operating microscope Download PDF

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Publication number
CN210185719U
CN210185719U CN201920770649.XU CN201920770649U CN210185719U CN 210185719 U CN210185719 U CN 210185719U CN 201920770649 U CN201920770649 U CN 201920770649U CN 210185719 U CN210185719 U CN 210185719U
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objective lens
outer sleeve
fixing device
sterile cover
sterile
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Chinese (zh)
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Dan Liu
刘丹
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Beijing Tiantan Hospital
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Beijing Tiantan Hospital
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Abstract

The utility model relates to an aseptic protection annex technical field of operating microscope especially relates to an objective aseptic cover fixing device and operating microscope. The fixing device for the objective lens sterile cover comprises an inner sleeve and an outer sleeve assembly, wherein the inner sleeve is used for being sleeved on the outer side of the objective lens; the outer sleeve assembly comprises an outer sleeve and a cutting piece, the outer sleeve is sleeved on the outer side of the inner sleeve, and the sterile cover can be clamped between the outer sleeve and the inner sleeve; the cutting member is disposed on the outer sleeve and is movable circumferentially of the outer sleeve to cut the sterile enclosure along a predetermined trajectory. The surgical microscope comprises the objective lens sterile cover fixing device. The objective lens sterile cover fixing device and the operation microscope can conveniently cut the sterile cover at the objective lens under the sterile environment, and do not damage the objective lens.

Description

Objective lens sterile cover fixing device and operating microscope
Technical Field
The utility model relates to an aseptic protection annex technical field of operating microscope especially relates to an objective aseptic cover fixing device and operating microscope.
Background
The microscope is the most commonly used instrument for neurosurgery, aseptic operation is guaranteed during the use process, generally, a sterile cover is covered on the outer side of the whole microscope to guarantee that an operation working area is not polluted, and parts of the sterile cover corresponding to the objective lens and the ocular lens are cut off, so that the objective lens and the ocular lens are exposed out of the sterile cover, and the wound surface of a patient can be observed by using the objective lens.
The traditional solution for handling the sterile cover at the objective lens is to use a blade to cut the microscope cover open and cover a sterile lens cover on the eyepiece after the objective lens is exposed. However, in this process, since the objective lens is usually disposed at a low position, it is inconvenient to perform the operation when the sterile cover is scribed by the blade; moreover, the outer ring of the objective lens and the mirror surface of the objective lens are basically in the same horizontal plane, so that the object lens is easily scratched when the blade cuts the sterile cover, and the objective lens is damaged; in addition, because the objective lens is close to the surgical field, aseptic processing is needed, and when the sterile cover is cut by holding the blade by hand, gloves of an operator easily pollute the objective lens and influence the prognosis of a patient.
Therefore, it is desirable to provide an objective lens sterile cover fixing device which can conveniently cut the sterile cover at the objective lens under a sterile environment without damaging the objective lens.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide an objective aseptic cover fixing device, can conveniently cut aseptic cover in objective department under sterile environment, and do not harm the objective lens.
A second object of the present invention is to provide an operating microscope, which can conveniently cut an aseptic cover at an objective lens in an aseptic environment without damaging the objective lens.
In order to achieve the above object, the present invention provides the following technical solutions;
based on above-mentioned first purpose, the utility model provides an aseptic cover fixing device of objective includes:
the inner sleeve is sleeved on the outer side of the objective lens;
the outer sleeve assembly comprises an outer sleeve and a cutting element, the outer sleeve is sleeved on the outer side of the inner sleeve, and the sterile cover can be clamped between the outer sleeve and the inner sleeve;
the cutting member is disposed on the outer sleeve and is movable in a circumferential direction of the outer sleeve to cut the sterile enclosure along a predetermined trajectory.
In any of the above technical solutions, optionally, a circumferential groove into which the cutting element extends is provided on an outer side wall of the inner sleeve, and the circumferential groove forms the predetermined track along a circumferential extending direction of the outer sleeve.
In any of the above technical solutions, optionally, the circumferential groove is opened at an end edge of the inner sleeve in an axial direction of the inner sleeve.
In any of the above solutions, optionally, the outer sleeve assembly further comprises a rotating ring;
the outer sleeve is provided with a first sliding rail, the first sliding rail extends along the circumferential direction of the outer sleeve, and the rotating ring is embedded in the first sliding rail and can slide along the first sliding rail;
the cutting member is disposed on the rotary ring and movable with the rotary ring.
In any of the above technical solutions, optionally, a receiving groove for receiving the cutting member is provided on the rotating ring, an opening of the receiving groove is formed on an outer surface of the rotating ring, and a knife outlet through hole is formed at a bottom of the receiving groove;
the cutting end of the cutting piece can extend into the circumferential groove or retract into the accommodating groove through the cutter outlet through hole.
In any of the above technical solutions, optionally, a guide inclined plane is formed at a bottom of the receiving groove, and the cutting member can slide along the guide inclined plane in the receiving groove to approach or separate from the tool-out through hole.
In any of the above technical solutions, optionally, the outer sleeve assembly further includes a fixing ring, one end of the fixing ring is provided with a second slide rail, and one end of the rotating ring, which is far away from the first slide rail, is embedded in the second slide rail;
the fixing device for the objective lens sterile cover further comprises a protection cover, and the protection cover covers the other end of the fixing ring.
In any of the above technical solutions, optionally, the protective cover includes a protective cover main body and a connection insertion plate, and the connection insertion plate is disposed along a circumferential direction of the protective cover main body;
the fixing ring is provided with a connecting slot, and the connecting plug board is matched with the connecting slot.
In any of the above technical solutions, optionally, the inner surface of the inner sleeve is provided with a plurality of protrusions, and the plurality of protrusions are distributed along the circumferential direction of the inner sleeve and abut against the outer surface of the objective lens;
the outer sleeve assembly further comprises a poking rod, wherein a poking protrusion is arranged on the outer surface of the rotating ring, and a poking groove matched with the poking protrusion is formed in one end of the poking rod.
Based on the second objective, the present invention provides an operating microscope, which comprises a microscope body, an aseptic cover and a fixing device for the aseptic cover of the objective lens according to any one of the above technical solutions;
the inner sleeve of the objective lens sterile cover fixing device is sleeved on the objective lens of the microscope body, and the outer sleeve of the objective lens sterile cover fixing device is sleeved on the outer side of the inner sleeve, so that the sterile cover is clamped between the outer sleeve and the inner sleeve.
Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model provides a sterile cover fixing device of objective, including inner skleeve and outer sleeve subassembly, the outer sleeve subassembly includes outer sleeve and cutting member, through the sterile cover of inner skleeve and outer sleeve centre gripping fixed to can cut the sterile cover along predetermined orbit through the cutting member, improve the convenience of cutting on the one hand, and the inner skleeve can protect objective, avoid objective by the fish tail, on the other hand fixes prior to cutting, can avoid the phenomenon that the incision squinted in the cutting process, improved the reliability to the sterile cover is fixed; and the cutting of the sterile cover can be completed in a sterile environment, so that the sterility of the objective lens can be maintained, and the recovery of a patient is facilitated. The utility model provides an operation microscope includes the aseptic cover fixing device of objective to can realize the aseptic cover fixing device's of objective all beneficial technological effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a fixing device for an objective lens sterile cover according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a receiving groove of a rotating ring according to an embodiment of the present invention;
fig. 3 is a schematic view of a state of the cutting member in a use state according to the second embodiment of the present invention;
fig. 4 is a schematic view of the state of the cutting member in the storage state according to the second embodiment of the present invention.
Icon: 10-an inner sleeve; 100-circumferential grooves; 101-a bump; 11-an outer sleeve assembly; 110-an outer sleeve; 111-a cutting member; 112-a rotating ring; 113-a first slide rail; 114-a second slide rail; 115-a receiving groove; 116-a guide ramp; 117-a retaining ring; 118-a protective cover; 119-a knife outlet through hole; 14-an objective lens; 140-objective lens.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1 to 4, the present embodiment provides an objective lens sterile cover fixing device; fig. 1 is a schematic structural diagram of an objective lens sterile cover fixing device provided in this embodiment; fig. 2 is a schematic structural view of a receiving groove of the rotating ring according to the present embodiment; FIG. 3 is a schematic view of the cutting member of the present embodiment in a use state; fig. 4 is a state diagram of the cutter provided in this embodiment in a storage state.
The objective lens sterile cover fixing device provided by the embodiment is used for fixing the sterile cover and the microscope at the objective lens.
Referring to fig. 1 to 4, the objective lens sterile cover fixing device comprises an inner sleeve 10 and an outer sleeve assembly 11.
The inner sleeve 10 is adapted to fit over the outside of the objective lens 14 to separate the sterile boot to be cut from the outer surface of the objective lens 14 by the inner sleeve 10, thereby protecting the objective lens 14 (and in particular the objective lens 140).
The outer sleeve assembly 11 comprises an outer sleeve 110 and a cutting member 111, the outer sleeve 110 is sleeved on the outer side of the inner sleeve 10, and the sterile cover can be clamped between the outer sleeve 110 and the inner sleeve 10, that is, the inner sleeve 10 is sleeved on the outer side of the objective lens 14, then the sterile cover is covered on the whole microscope, and then the outer sleeve 110 is sleeved on the inner sleeve 10 through the sterile cover, so that the sterile cover is clamped between the inner sleeve 10 and the outer sleeve 110 to fix the sterile cover at the objective lens 14.
Cutting member 111 is disposed on outer sleeve 110, and cutting member 111 is movable along the circumference of outer sleeve 110 to cut the sterile enclosure along a predetermined trajectory, specifically, cutting member 111 is rotatable around the outer circumference of outer sleeve 110, and cutting member 111 can be moved closer to or away from cutting member 111. After the outer sleeve 110 is fitted over the inner sleeve 10, the cutting member 111 is moved so that the cutting member 111 comes into contact with the sterile cover and cuts the sterile cover along a predetermined trajectory, and after the sterile cover is cut, a portion of the sterile cover corresponding to the lens of the objective lens 14 is cut off as a whole, and the cut sterile cover can be removed by a sterile holding tool such as a small forceps, so that the objective lens 140 can be exposed for viewing the affected part of the operation.
Optionally, the end of the cutting member 111 intended to contact the sterile enclosure, i.e. the cutting end, is a blade.
Optionally, there is an interference fit between inner sleeve 10 and objective lens 14, and an interference fit between outer sleeve 110 and inner sleeve 10.
The fixing device for the sterile cover of the objective lens in the embodiment comprises an inner sleeve 10 and an outer sleeve assembly 11, wherein the outer sleeve assembly 11 comprises an outer sleeve 110 and a cutting piece 111, the sterile cover is clamped and fixed through the inner sleeve 10 and the outer sleeve 110, and the sterile cover can be cut along a preset track through the cutting piece 111, so that on one hand, the convenience of cutting is improved, the objective lens 14 can be protected by the inner sleeve 10, the objective lens 14 is prevented from being scratched, on the other hand, the fixation is prior to the cutting, the phenomenon of incision deviation in the cutting process can be avoided, and the reliability of the fixation of the sterile cover is improved; and the cutting of the sterile cover can be completed in a sterile environment, so that the sterility of the objective lens 14 can be maintained, and the recovery of the patient is facilitated.
In an alternative of this embodiment, a circumferential groove 100 into which the cutter 111 protrudes is provided on an outer side wall of the inner sleeve 10, and the circumferential groove 100 forms a predetermined trajectory in an extending direction of a circumference of the outer sleeve 110. Through setting up circumferential groove 100, provide sufficient operating space for cutting piece 111 to cut aseptic cover on the one hand, improved the smoothness nature that cutting piece 111 cut aseptic cover, on the other hand has injectd the predetermined orbit that cutting piece 111 cut aseptic cover through circumferential groove 100, compares in the direct cutting of handheld blade, can avoid cutting piece 111 accidental injury objective 14.
Alternatively, in order to improve convenience in moving the cutting member 111, a pushing portion for direct contact with the hand of the operator is provided at an end of the cutting member 111 remote from the cutting end thereof, thereby facilitating the operator to move the cutting member 111.
In an alternative of this embodiment, a circumferential groove 100 opens at one end edge of the inner sleeve 10 in the axial direction of the inner sleeve 10. In particular, the circumferential groove 100 opens at an end edge of the inner sleeve 10 facing the side of the objective lens 140, i.e. the outer surface of the inner sleeve 10 is stepped. By arranging the circumferential groove 100 at one end edge of the inner sleeve 10, the end part of the inner sleeve 10 is retracted, so that the cut sterile cover is not obstructed at the end part of the inner sleeve 10 when being taken out, the problem that the cut sterile cover is clamped between the inner sleeve 10 and the outer sleeve 110 to cause difficulty in taking out is avoided, and the convenience of taking out the sterile cover slice is improved.
Optionally, the edge of the inner sleeve 10 corresponding to the circumferential groove 100 is rounded, so as to improve the penetration of the outer sleeve 110, and prevent the outer sleeve 110 from scratching the objective lens 140.
In an alternative of this embodiment, the outer sleeve assembly 11 further comprises a rotating ring 112;
the outer sleeve 110 is provided with a first slide rail 113, the first slide rail 113 extends along the circumferential direction of the outer sleeve 110, and the rotating ring 112 is embedded in the first slide rail 113 and can slide along the first slide rail 113;
the cutting member 111 is provided on the rotation ring 112 and can move with the rotation ring 112.
By providing the rotating ring 112, an installation position is provided for the cutting member 111, and by fitting the rotating ring 112 on the first slide rail 113 of the outer sleeve 110, the rotating ring 112 can be rotated circumferentially with respect to the outer sleeve 110, and further, by limiting the fixing manner of the cutting member 111 with respect to the rotating ring 112, radial movement or circumferential movement, etc., of the cutting member 111 with respect to the rotating ring 112 can be realized.
Alternatively, the cutting member 111 may be detachably provided on the rotary ring 112, and if the cutting member 111 becomes dull after use thereof, the old cutting member 111 may be detached from the rotary ring 112 and a new cutting member 111 may be correspondingly installed.
In an alternative of this embodiment, a receiving groove 115 for receiving the cutting member 111 is provided on the rotating ring 112, an opening of the receiving groove 115 is opened on an outer surface of the rotating ring 112, a knife-out through hole 119 is opened at a bottom of the receiving groove 115, and the cutting member 111 can extend into an inner side of the rotating ring 112 or be received in the receiving groove 115 through the knife-out through hole 119. By arranging the accommodating groove 115 on the rotating ring 112, on one hand, the cutting piece 111 can be accommodated in the accommodating groove 115 when the outer sleeve assembly 11 is installed, so that the cutting piece 111 is prevented from being exposed to scratch the objective lens 14, and particularly the cutting piece 111 is prevented from being exposed to scratch the objective lens 140; on the other hand, after the outer sleeve assembly 11 is sleeved outside the inner sleeve 10, the cutting member 111 is pushed out from the cutter through hole 119, the cutting member 111 can be inserted into the circumferential groove 100, and then the rotating ring 112 is rotated, so that the sterile cover can be cut by the cutting member 111. That is, the receiving groove 115 improves the safety of the sterile fixing device for the objective lens 14, and the cutter 111 can be prevented from scratching the objective lens 14.
Optionally, circumferential groove 100 is open to facilitate withdrawal of the sterile hood slice.
In an alternative of this embodiment, as shown in fig. 2, the groove bottom of the receiving groove 115 forms a guide slope 116, and the cutting member 111 can slide along the guide slope 116 within the receiving groove 115 to approach or separate from the cutting through hole 119. As shown in fig. 3, when the cutting member 111 is required to be used for cutting, the cutting member 111 is pushed to move along the guide slope 116 to a direction close to the knife outlet through hole 119, and the guide slope 116 is provided to improve the smoothness of pushing of the cutting member 111. Similarly, as shown in fig. 4, when the cutting member 111 needs to be stored, the cutting member 111 is pushed to move along the guide slope 116 toward a direction away from the knife-out through hole 119, so that the cutting member 111 is staggered from the knife-out through hole 119, and the cutting member 111 is prevented from being pulled out of the knife-out through hole 119.
Alternatively, an end of the guide slope 116 close to the tapping through hole 119 is inclined toward a direction close to the inner sleeve 10 with respect to an end of the guide slope 116 far from the tapping through hole 119, so that the cutting member 111 can be pushed toward a direction gradually close to the inner sleeve 10 when the cutting member 111 needs to be used, and the cutting member 111 can be pushed toward a direction gradually far from the inner sleeve 10 when the cutting member 111 needs to be stored.
In an alternative of this embodiment, the outer sleeve assembly 11 further includes a fixing ring 117, one end of the fixing ring 117 is provided with the second sliding rail 114, and one end of the rotating ring 112 away from the first sliding rail 113 is embedded in the second sliding rail 114; the objective lens sterile cover fixing device further includes a protection cover 118, and the protection cover 118 is covered on the other end of the fixing ring 117. The securing ring 117, the rotating ring 112 and the outer sleeve 110 may form a kit so that the entire kit may be placed in a single use over the sterile cover, and after the sterile cover has been cut and the sterile cover section removed, the protective cover 118 is secured to the securing ring 117.
Alternatively, in order to avoid that the fixing ring 117 rotates synchronously with the rotating ring 112, the outer surface of the fixing ring 117 may be manually held while rotating the rotating ring 112 to play a role of positioning the fixing ring 117.
Optionally, the end surface of the rotating ring 112 facing the first sliding rail 113 is provided with a pulley, so as to facilitate improving the smoothness of the movement of the rotating ring 112 in the first sliding rail 113.
In an alternative of this embodiment, the protective cover 118 comprises a main body of the protective cover 118 and a connection insert plate arranged along the circumference of the main body of the protective cover 118 so as to avoid the connection insert groove from obstructing the view of the objective lens 14. In particular, the protective cover 118 is a sterile protective cover 118, which can prevent contamination of the lens of the objective lens 14 and maintain the lens of the objective lens 14 in a sterile state.
The fixing ring 117 is provided with a connection slot, and the connection board is matched with the connection slot, so that the protective cover 118 is detachably connected with the fixing ring 117.
Optionally, the main body of the protection cover 118 and the connection board are made of glass, and the main body of the protection cover 118 and the connection board are integrally formed.
Optionally, the connection slot is provided with a limiting portion, so that the connection plug board is fixedly connected with the connection slot through the limiting portion after being inserted into the connection slot, and the connection plug board is prevented from being separated from the connection slot.
In an alternative of this embodiment, the inner surface of the inner sleeve 10 is provided with a plurality of protrusions 101, the plurality of protrusions 101 are distributed along the circumferential direction of the inner sleeve 10 and abut against the outer surface of the objective lens 14, by providing the plurality of protrusions 101, the contact area between the inner sleeve 10 and the objective lens 14 housing is reduced, which is beneficial for protecting the objective lens 14 housing, and furthermore, an anti-slip member may be provided at the end of the protrusion 101, that is, the end contacting the objective lens 14, so as to be beneficial for preventing the inner sleeve 10 from slipping off relative to the objective.
The outer sleeve assembly 11 further comprises a poking rod, wherein a poking protrusion is arranged on the outer surface of the rotating ring 112, and a poking groove matched with the poking protrusion is arranged at one end of the poking rod. Wherein, the poker rod is handheld poker rod, through undulant arch 101 and undulant recess looks adaptation to can drive rotating ring 112 through removing handheld poker rod and rotate.
Optionally, a connecting piece is arranged between the fixing ring 117 and the outer sleeve 110, and the fixing ring 117 and the outer sleeve 110 are relatively fixed through the connecting piece, in this case, the connecting piece only covers a part of the gap between the fixing ring 117 and the outer sleeve 110, a poke rod can be inserted into the gap avoiding the connecting piece, the fluctuation protrusion 101 is matched with the fluctuation groove, and the rotation ring 112 can be driven to rotate along the circumferential direction of the inner sleeve 10 by moving the fluctuation rod. Thereby not only solving the problem that the fixed ring 117 rotates along with the rotating ring 112, but also avoiding the connecting piece from blocking the driving rotating ring 112.
Or, the outer surface of the rotating ring 112 is provided with an undulation groove, and one end of the poke rod is provided with an undulation protrusion 101 matched with the undulation groove.
Example two
The second embodiment provides a surgical microscope, which includes the objective lens sterile cover fixing device described in the first embodiment, and the technical features of the objective lens sterile cover fixing device disclosed in the first embodiment are also applicable to the second embodiment, and the technical features of the objective lens sterile cover fixing device disclosed in the first embodiment are not repeated.
The surgical microscope provided by the embodiment comprises a microscope body, a sterile cover and the objective lens sterile cover fixing device provided by the embodiment I;
an inner sleeve of the objective lens sterile cover fixing device is sleeved on an objective lens of the microscope body, and an outer sleeve of the objective lens sterile cover fixing device is sleeved on the outer side of the inner sleeve, so that the sterile cover is clamped between the outer sleeve and the inner sleeve.
The surgical microscope in this embodiment has the advantages of the objective lens sterile cover fixing device in the first embodiment, and the advantages of the objective lens sterile cover fixing device disclosed in the first embodiment are not described repeatedly herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims (10)

1. An objective lens sterility cover fixture, comprising:
the inner sleeve is sleeved on the outer side of the objective lens;
the outer sleeve assembly comprises an outer sleeve and a cutting element, the outer sleeve is sleeved on the outer side of the inner sleeve, and the sterile cover can be clamped between the outer sleeve and the inner sleeve;
the cutting member is disposed on the outer sleeve and is movable in a circumferential direction of the outer sleeve to cut the sterile enclosure along a predetermined trajectory.
2. An objective lens sterile cover fixing device according to claim 1,
the outer side wall of the inner sleeve is provided with a circumferential groove for the cutting piece to extend into, and the circumferential groove forms the preset track along the circumferential extending direction of the outer sleeve.
3. An objective lens sterile cover fixing device according to claim 2,
along the axial of inner skleeve, the circumference recess is seted up the one end border department of inner skleeve.
4. An objective lens sterile cover fixture according to claim 2, wherein the outer sleeve assembly further comprises a rotating ring;
the outer sleeve is provided with a first sliding rail, the first sliding rail extends along the circumferential direction of the outer sleeve, and the rotating ring is embedded in the first sliding rail and can slide along the first sliding rail;
the cutting member is disposed on the rotary ring and movable with the rotary ring.
5. The apparatus as claimed in claim 4, wherein the rotating ring has a receiving groove for receiving the cutting member, the receiving groove has an opening formed on an outer surface of the rotating ring, and a through hole for cutting is formed at a bottom of the receiving groove;
the cutting end of the cutting piece can extend into the circumferential groove or retract into the accommodating groove through the cutter outlet through hole.
6. An objective lens sterile cover fixing device according to claim 5,
the bottom of the accommodating groove forms a guide inclined plane, and the cutting piece can slide in the accommodating groove along the guide inclined plane to be close to or far away from the cutter outlet through hole.
7. The objective lens sterile hood fixing device according to claim 4, wherein the outer sleeve assembly further comprises a fixing ring, a second slide rail is arranged at one end of the fixing ring, and an end of the rotating ring, which is far away from the first slide rail, is embedded in the second slide rail;
the fixing device for the objective lens sterile cover further comprises a protection cover, and the protection cover covers the other end of the fixing ring.
8. The objective lens sterile cover fixing device according to claim 7,
the protective cover comprises a protective cover main body and a connecting plug board, and the connecting plug board is arranged along the circumferential direction of the protective cover main body;
the fixing ring is provided with a connecting slot, and the connecting plug board is matched with the connecting slot.
9. The objective lens sterile cover fixing device according to claim 4,
the inner surface of the inner sleeve is provided with a plurality of bulges which are distributed along the circumferential direction of the inner sleeve and are abutted against the outer surface of the objective lens;
the outer sleeve assembly further comprises a poking rod, wherein a poking protrusion is arranged on the outer surface of the rotating ring, and a poking groove matched with the poking protrusion is formed in one end of the poking rod.
10. An operating microscope comprising a microscope body, a sterile cover and an objective lens sterile cover fixture according to any one of claims 1 to 9;
the inner sleeve of the objective lens sterile cover fixing device is sleeved on the objective lens of the microscope body, and the outer sleeve of the objective lens sterile cover fixing device is sleeved on the outer side of the inner sleeve, so that the sterile cover is clamped between the outer sleeve and the inner sleeve.
CN201920770649.XU 2019-05-27 2019-05-27 Objective lens sterile cover fixing device and operating microscope Active CN210185719U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116528789A (en) * 2020-11-27 2023-08-01 卡尔蔡司医疗技术股份公司 Retaining element for a drape of a surgical microscope

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116528789A (en) * 2020-11-27 2023-08-01 卡尔蔡司医疗技术股份公司 Retaining element for a drape of a surgical microscope
US11980437B2 (en) 2020-11-27 2024-05-14 Carl Zeiss Meditec Ag Holding element for a drape for a surgical microscope

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