CN217792968U - Visual device for fluid-assisted minimally invasive surgery - Google Patents
Visual device for fluid-assisted minimally invasive surgery Download PDFInfo
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- CN217792968U CN217792968U CN202123015840.XU CN202123015840U CN217792968U CN 217792968 U CN217792968 U CN 217792968U CN 202123015840 U CN202123015840 U CN 202123015840U CN 217792968 U CN217792968 U CN 217792968U
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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
- A61B1/12—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 with cooling or rinsing arrangements
- A61B1/126—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 with cooling or rinsing arrangements provided with means for cleaning in-use
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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
- A61B1/04—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 combined with photographic or television appliances
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Abstract
The utility model discloses a visual device for fluid-assisted minimally invasive surgery, which comprises an outer sleeve component, an imaging module support and a water delivery pipe, wherein the outer sleeve component comprises an outer sleeve and a sleeve seat, a water supply cavity is arranged inside the sleeve seat, and a water supply cavity is arranged inside the sleeve seat; the rear end of the outer sleeve is communicated with a water supply cavity, and the water supply cavity is also communicated with the water delivery pipe; the imaging module is supported on the outer sleeve component through the imaging module supporting body, the imaging module is contained in the outer sleeve, and a section of clear water cavity is formed between the front end face of the outer sleeve and a lens of the imaging module. The utility model discloses a be clear water region of sight between terminal surface before camera lens and the outer tube, the clear water that the outer tube inside flowed forward washes away the blood water, forms clear visual zone, has improved the accuracy and the efficiency of operation.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to visual device of fluid-assisted minimally invasive surgery.
Background
At present, the endoscope (such as a ventriculoscope) applied to the liquid phase in the clinical operation needs to be carried out in a clearer liquid environment, when obvious bleeding occurs, blood water in front of the lens shields the sight of the lens, a fuzzy area is formed between the lens and the surface of a tissue, and the injury part and the bleeding point on the surface of the tissue are difficult to see clearly. The main reason is that although the front end face of the outer sleeve is provided with a flushing port and a water return port, the existing endoscope is provided with a lens which is arranged at the front end face of the outer sleeve and is in an open space, clear physiological saline is injected through a water outlet end and then is mixed with blood to form turbid liquid with blood color immediately, so that a clear visible area is difficult to form in front of the lens, a diseased part cannot be accurately judged through observation of the lens, the accuracy of the operation is seriously influenced, the operation efficiency is low, and misoperation is very easy to occur. Thus, further improvements and enhancements are needed in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art, an object of the present invention is to provide a visual device for minimally invasive surgery assisted by fluid, which is not reasonable in the position of the lens of the current endoscope operation device, and is difficult to form a clear visual area in the front of the lens in a blood environment.
The utility model discloses a realize above-mentioned purpose, the technical solution who adopts is:
a fluid-assisted minimally invasive surgery visual device comprises an outer sleeve component, an imaging module supporting body and a water conveying pipe, wherein the outer sleeve component comprises an outer sleeve and a sleeve seat, and a water supply cavity is formed in the sleeve seat; the rear end of the outer sleeve is communicated with a water supply cavity, and the water supply cavity is also communicated with the water delivery pipe; the imaging module is supported on the outer sleeve component through the imaging module supporting body, the imaging module is contained in the outer sleeve, and a section of clear water cavity is formed between the front end face of the outer sleeve and a lens of the imaging module.
Preferably, the outer sleeve and the sleeve seat are of an integral structure, or the outer sleeve and the sleeve seat are of a split structure.
Preferably, the imaging module support is supported on the outer sleeve, or on the sleeve seat.
Preferably, the imaging module support is a rod body, or a support frame, or a hard wire body, or a structure in which the rod body is matched with the support frame.
Preferably, the imaging module supporter is a rod body, the rear end of the rod body is supported at the rear part of the sleeve seat, a first through hole is formed in the part, located on the rear side of the water supply cavity, of the sleeve seat, and the rod body is supported and installed at the rear part of the sleeve seat through the first through hole.
Preferably, part or all of the outer sleeve is a flexible tube.
Preferably, the wall of the cannula holder is provided with a water supply hole which is communicated with the water supply cavity; the water supply hole is connected with a water pipe.
Preferably, the front end part of the outer sleeve is bent towards one side to form a first bent part, the front end part of the imaging module support body is bent towards one side to form a second bent part, the direction of the second bent part is consistent with that of the first bent part, and the clear water cavity is located inside the first bent part.
Preferably, the front end of the outer sleeve is provided with a connecting part for connecting an operating tool.
Preferably, the connecting part is an internal thread arranged on the inner side wall of the front end of the outer sleeve and used for connecting an operating tool, and the internal thread is positioned on the front side of the lens.
Preferably, the rear end of the casing seat is further provided with one or more operation holes, and the operation holes form a working channel for communicating the interior of the outer casing assembly with the outside.
Preferably, the device further comprises an inner tube body, the inner tube body is arranged at the operation hole, a working channel for communicating the interior of the outer sleeve tube with the outside is formed in the inner tube body, and the number of the inner tube bodies is smaller than or equal to that of the operation holes.
Preferably, the front end surface of the inner tube body is located at the rear side of the lens.
Preferably, an elastic tightening part is arranged at the front end of the inner pipe body, and the inner diameter of the elastic tightening part is smaller than that of the inner pipe body.
Preferably, the sealing device further comprises a sealing cap which is used for plugging the operation hole. By adopting the technical scheme, the utility model discloses a beneficial technological effect is:
the utility model discloses imaging module's camera lens is located the inboard of outer tube, and the region between the preceding terminal surface of camera lens and outer tube keeps one section clear water, and the clear water that the inside forward flow of outer tube forms clear visual area, and when the outer tube front end was close to the tissue surface, its inside clear water washed away the bloody water, and the situation on clearly observing the tissue surface has improved the accuracy and the efficiency of operation, eliminates the possibility that takes place the maloperation.
Drawings
Fig. 1 is a schematic structural diagram of a first implementation manner of the fluid-assisted minimally invasive surgery visualization device of the present invention.
Fig. 2 is a sectional view of the first implementation of the visual device for fluid-assisted minimally invasive surgery of the present invention.
Fig. 3 is a diagram of the first implementation manner of the visual device for fluid-assisted minimally invasive surgery of the present invention.
Fig. 4 is a structural sectional view of a second implementation of the fluid-assisted minimally invasive surgical visualization device of the present invention.
Fig. 5 is a cross-sectional view of a third implementation of the visual device for fluid-assisted minimally invasive surgery of the present invention.
Fig. 6 is a partial structural schematic view of a third implementation manner of the fluid-assisted minimally invasive surgery visual device of the present invention.
Fig. 7 is a cross-sectional view of a fourth implementation of the fluid assisted minimally invasive surgical visualization device of the present invention.
Fig. 8 is a structural sectional view of a fifth implementation manner of the fluid-assisted minimally invasive surgery visualization device of the present invention.
Fig. 9 is a sectional view of a sixth implementation of the fluid-assisted minimally invasive surgical visualization device of the present invention.
Fig. 10 is a cross-sectional view of a seventh implementation of the visual device for fluid-assisted minimally invasive surgery of the present invention.
Fig. 11 is a cross-sectional view of an eighth implementation of the fluid assisted minimally invasive surgical visualization device of the present invention.
Fig. 12 is a schematic structural view of the inner tube of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example 1
With reference to fig. 1 to 3, a fluid-assisted minimally invasive surgery visual device includes an outer sleeve assembly, an imaging module support 3 and a water pipe 4, wherein the outer sleeve assembly includes an outer sleeve 1 and a sleeve base 2, a water supply cavity 21 is provided inside the sleeve base 2, the rear end of the outer sleeve 2 is communicated with the water supply cavity 21, the water supply cavity 21 is further communicated with the water pipe, the imaging module is supported on the outer sleeve assembly through the imaging module support, the imaging module is accommodated in the outer sleeve 1, and a section of clear water cavity 12 is formed between the front end surface of the outer sleeve 1 and a lens 5 of the imaging module. Specifically, the imaging module support body 3 is assembled in the outer sleeve component, the imaging module is installed in the outer sleeve component through the imaging module support body 3, after the assembly is completed, the lens 5 of the imaging module is located in the outer sleeve 1 and close to the front end face of the outer sleeve 1, so that the lens 5 of the imaging module has a small distance from the front end face of the outer sleeve 1, and a cavity limited by the distance is the clear water cavity 12. During the use, camera lens 5 is located the rear side of outer tube 1 front end face, and clear normal saline is discharged by outer tube 1 front end in succession, form one section clear water chamber 12 between the preceding terminal surface of outer tube 1 and camera lens 5, the inside normal saline of water supply chamber 21 and outer tube 1 has certain water pressure, and it is inside that intraoral blood of wound can not get into outer tube 1 to the local area at outer tube 1 front end is clear visual area, can guarantee that camera lens 5 keeps clear visual area throughout to outer tube 1 front end, and the camera lens 5 of being convenient for can see the condition of wound internal tissue clearly, can find the position that needs to carry out the operation fast.
In one embodiment, the outer sleeve 1 and the sleeve holder 2 are of one-piece construction, i.e. the outer sleeve 1 and the sleeve holder 2 are one piece, as shown in fig. 8. Preferably, the cannula holder 2 is thicker than the outer cannula 1 for easy handling, but of course the cannula holder 2 and the outer cannula 1 may be equally thick and thin, i.e. the outer cannula 1 and the cannula holder 2 are integrally of thin-walled tubular construction, as shown in fig. 11. Of course, the inner cavity of the cannula holder 2 and the inner cavity of the outer cannula 1 may be the same in size and shape, or may be different in size and/or shape, and are not limited herein.
In another embodiment, the outer sleeve 1 and the sleeve holder 2 are separate bodies, and as shown in fig. 2, the rear end of the outer sleeve 2 is connected to the front end of the sleeve holder 2.
On the basis of the two embodiments of the outer sleeve 1 and the sleeve seat 2, the imaging module support body 3 may be supported on the sleeve seat 2 or on the outer sleeve 1, and the imaging module support body may be disposed in various manners, such as a rod body, a wire body, a support frame, or a manner of matching the rod body with the support frame.
As shown in fig. 2, the imaging module supporter 3 is a rod. Specifically, the rod body is assembled on the sleeve seat 2, and the lens 5 of the imaging module is installed at the front end of the rod body. Of course, the rod body can also be supported on the sleeve seat 2 or the outer sleeve 1 through the support frame.
Further, the body of rod is established at outer tube 1 inboard to support in the rear portion of casing seat 2, specifically, the rear portion of casing seat 2 is provided with first through-hole, the body of rod is installed in this first through-hole, the export of this first through-hole can be located the rear end side of casing seat 2, also can be located the not distolateral side at casing seat 2 rear portion, when the export of first through-hole is located the rear end side of casing seat 2, the rear end of the body of rod can stretch out the rear end of casing seat 2, also can be with the rear end parallel and level of casing seat 2, can also be located the first through-hole of casing seat 2, preferably, the rear end of the body of rod is located the first through-hole of casing seat 2, so on the one hand can practice thrift the material, reduce manufacturing cost, on the other hand conveniently grips the rear portion of casing seat 2. When the rear end of the rod body is located in the first through hole of the cannula base 2, if the lens is in wired connection, the electric wire connected with the lens penetrates out of the first through hole. When the export of first through-hole was located the not distolateral side at casing seat 2 rear portion, the body of rod protractile casing seat 2's side also can be located casing seat 2 side parallel and level, can also be located the first through-hole of casing seat 2, preferably, the rear end of the body of rod is located the first through-hole of casing seat 2, if the camera lens is wired connection, then wears out from first through-hole with the electric wire that the camera lens links to each other. In addition, when the camera lens adopted wireless connection, the rear portion of sleeve seat 2 also can not set up first through-hole, like this, 2 rear portions of sleeve seat can set up the blind hole, and the body of rod is installed in the blind hole, or the body of rod lug connection is on the rear portion medial surface of sleeve seat 2.
Preferably, the rod body is in sealing fixed fit with the sleeve seat 2, so that the sealing performance of the water supply cavity 21 is ensured, and the stability of the water pressure in the water supply cavity 21 is ensured.
Preferably, the rod body is a round rod, and preferably, the rod body is a rigid straight rod with a round cross section. Preferably, the rod body is a hollow rod body, and an electric wire connected with the lens is accommodated in the hollow rod body. Further, the axis of the rod body is arranged parallel to the axis of the outer sleeve 1.
Further, imaging module's camera lens 5 sets up in body of rod front end, and imaging module adopts the existing imaging module of prior art, camera lens 5 is from taking illumination function, and imaging module passes through the wire and is connected with external display device, is convenient for present the condition of wound internal organization on display device. Preferably, the lens 5 is embedded in the front end of the rod body, the lens 5 is in fixed sealing fit with the rod body, so that the physiological saline of the outer sleeve 1 is prevented from entering the rod body, when the lens 5 is in wired connection, the lead wire connected with the lens 5 is accommodated in the rod body and penetrates out of the rear end of the rod body to be connected with an external display device.
As shown in fig. 9, the imaging module supporting body 3 is a supporting frame, and the imaging module is supported on the outer sleeve through the supporting frame. The structure of the support frame may be a disk-shaped spoke (such as a spoke of a bicycle wheel), a single rod (i.e., only one spoke-shaped structural support), a symmetric dual-rod support (i.e., two symmetric spoke-shaped structural supports), or any other structure capable of realizing support, and is not limited herein.
Furthermore, the water pipe 4 is arranged on the sleeve seat 2, one end of the water pipe is communicated with the outer sleeve 1 through the water supply cavity 21, and the other end of the water pipe can be used for connecting a water supply device. Specifically, the wall of cannula holder 2 has a water supply hole 22, and water supply hole 22 communicates with water supply chamber 21, and may be located on the side wall of cannula holder 2 or on the rear end wall of cannula holder 2. The water pipe 4 is communicated with the water supply hole, and specifically, one end of the water pipe 4 is inserted into the water supply hole 22, and the outer side wall of the water pipe is fixedly, hermetically and cooperatively matched with the inner wall of the water supply hole 22. The water supply device is communicated with the inside of the outer sleeve 1 through a water delivery pipe 4, clear physiological saline is continuously input into the outside of the outer sleeve 1 in the operation process, and the physiological saline enters the inside of the wound from the front end of the outer sleeve 1.
Further, the front end face of the outer sleeve is an inclined surface, as shown in fig. 10, the arrangement of the inclined surface structure facilitates the outer sleeve to penetrate into the wound of the patient.
When the outer sleeve 1 and the sleeve seat 2 are of split structures:
further, the outer sleeve 1 is a tubular structure with two open ends, preferably the outer sleeve is a circular straight pipe, and more preferably the outer sleeve is a rigid circular straight pipe; of course, the outer sleeve may also be a stepped pipe or a bent pipe, and the cross-sectional shape thereof may also be a non-circular shape, such as a quadrangle, a hexagon, an octagon, and the like, which is not limited herein.
Further, outer tube 1 can the snap-on in the front end of casing seat 2, also can detachably connect in the front end of casing seat 2, for example outer tube 1 through grafting or lock joint or spiro union's mode connect in the front end of casing seat 2 adopts grafting, lock joint or spiro union's mode to connect outer tube 1, and processing is convenient, the equipment of being convenient for on the one hand, and on the other hand conveniently changes the outer tube of different length, different internal bore diameter.
Further, the water supply cavity 21 is a cavity with an open front end and a closed rear end, that is, the front end of the water supply cavity 21 has a water outlet, and the size and shape of the water outlet can be consistent with the size and shape of the longitudinal section of the water supply cavity 21, or can be inconsistent with the size and shape of the longitudinal section of the water supply cavity 21, for example, the water outlet is smaller than the longitudinal section of the water supply cavity 21 or other situations, and the size and shape of the water outlet can be consistent with the size and shape of the longitudinal section of the water supply cavity 21 is shown in the attached drawings.
Preferably, the rear end of the outer sleeve 1 is inserted into the front end of the water supply cavity 21 and is fixedly and hermetically connected with the sleeve seat 2 into a whole. In a working state, the outer sleeve 1 needs to be inserted into a wound of a patient, the sleeve seat 2 is held by a hand to adjust the depth of the outer sleeve 1 inserted into the wound, and a part needing to be operated is found.
In a preferred embodiment, part or all of the outer sleeve 1 is flexible, i.e. part or all of the outer sleeve 1 is a flexible tube. Correspondingly, if the imaging module supporting body is a rod body, part or all of the rod body is flexible, and if the imaging module supporting body is a wire body, part or all of the wire body is flexible. The outer sleeve and the imaging module supporting body are partially or completely flexible, the surgical instrument meets the requirement of flexibility of the surgical instrument, and the application range is wider.
The camera lens of the imaging module in the embodiment is located on the inner side of the outer sleeve, a section of clear water is kept in an area between the camera lens and the front end face of the outer sleeve to form a clear water cavity, clear water flowing forwards inside the outer sleeve forms a clear visible area, and when the front end of the outer sleeve is close to a tissue surface, blood water is flushed by the clear water inside the outer sleeve, so that the condition of the tissue surface is clearly observed, the accuracy and the efficiency of surgical operation are improved, and the possibility of misoperation is eliminated.
Example 2
Example 3
Preferably, the inner side wall of the front end of the outer sleeve 1 is provided with an internal thread 11 for connecting an operation tool, and the internal thread 11 is positioned at the front side of the lens 5, as shown in fig. 5. Fixed mounting can be dismantled at the front end of outer tube 1 to operation tool accessible internal thread 11, under visual condition, finds the position that needs to carry out the operation on organizing and operates, realizes that mirror and machinery is integrative, improves the accuracy and the efficiency of operation, greatly reduces the emergence of the error condition.
Example 4
Specifically, in the working process, when the position of tissue lesion or hemorrhage is searched, the sealing cap 61 blocks the operation hole 7, the operation position of the wound tissue is determined under a clear visual condition through the lens 5, the sealing cap is opened, a minimally invasive surgical tool penetrates through the operation hole 7, and the operation position is reached through the inside of the outer sleeve component to perform surgical operation, such as minimally invasive forceps, minimally invasive knives and the like. The clear water cavity at the front end of the outer sleeve 1 can provide a clear observation condition for the operation, improve the efficiency and accuracy of the operation and reduce the operation errors.
The setting shape of operation hole can be various shapes such as circle, square, rectangle, hexagon, octagon, ellipse, and when the operation hole is a plurality of, the shape of a plurality of operation holes can be the same, also can be different.
Further, as shown in fig. 7, the imaging module support device further includes an inner tube 6, the inner tube 6 is disposed at the operation hole 7, a working channel for communicating the inside of the outer sleeve 1 with the outside is formed inside the inner tube 6, and the inner tube 6 and the imaging module support body 3 are arranged in parallel.
Preferably, the front end surface of the inner tube 6 is located at the rear side of the lens 5, and preferably, the inner tube 6 is a straight circular tube with a uniform cross section.
The number of inner tubes 6 shown may be the same as or different from the number of working holes 7.
Specifically, the inner tube 6 is supported by the operation hole 7, an outlet of the operation hole 7 is located at a rear end side of the cannula holder 2, and a rear end portion of the inner tube 6 may extend out of the rear end side of the cannula holder 2, may be flush with the rear end side of the cannula holder 2, and may be located in the operation hole 7 of the cannula holder 2. Preferably, the rear end of the inner tube 6 extends out of the cannula holder 2, and correspondingly, the sealing cap 61 is arranged at the rear end of the inner tube 6. In the operation process, when a tissue lesion or bleeding position is searched, the sealing cap 61 seals the rear end of the inner tube body 6, the sealing cap 61 is opened after the operation position of the wound tissue is determined under a clear visual condition through the lens 5, a minimally invasive surgical tool penetrates into the inner tube body 6, and the operation position is reached through the inside of the inner tube body 6 to perform operation, such as minimally invasive forceps, minimally invasive knives and the like. The clear water cavity at the front end of the outer sleeve 1 can provide clear observation conditions for operation, improve the efficiency and accuracy of the operation and reduce operation errors.
Further, as shown in fig. 12, the front end of the inner tube 6 is provided with an elastic tightening part 8 having an inner diameter smaller than that of the inner tube 6, which is used for clamping a minimally invasive surgical tool. Because the diameter/thickness of the minimally invasive surgical tool is generally smaller than the inner drift diameter of the inner tube body 6, when the minimally invasive surgical tool is inserted into the inner tube body for operation, a gap is formed between the minimally invasive surgical tool and the inner wall of the inner tube body, unstable operation of the minimally invasive surgical tool is easy to occur in the operation process, the elastic tightening part is arranged at the end part of the inner tube body close to the lens, and the minimally invasive surgical tool is clamped through the elastic tightening part, so that the minimally invasive surgical tool can be stably operated in the operation process.
Specifically, the elastic tightening part 8 is formed by at least two pieces of clips 81. The clamping pieces are enclosed to form the elastic tightening part, the minimally invasive surgical tool is clamped by the elasticity of the clamping pieces, and the minimally invasive surgical tool is simple in structure and easy to manufacture. Of course, the elastic tightening part may also be other structures, such as an elastic pad attached to the inner wall of the front end of the inner tube, or an elastic clamp disposed on the inner wall of the front end of the inner tube, which may be used to clamp the minimally invasive surgical tool.
It is stated that: the structural arrangement mode (such as an integral structure or a split structure, thickness, shape and the like) of the outer sleeve component, the structure (such as a rod body, a hard wire body or a support frame and the like) and the support position (the outer sleeve or the sleeve seat) of the imaging module support body, the arrangement number and the shape of the operation holes, the arrangement, the number and the shape of the inner tube body can be combined at will, and the combination mode is not limited to the implementation mode shown in the attached drawings.
The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (15)
1. A visual device for a fluid-assisted minimally invasive surgery is characterized by comprising an outer sleeve component, an imaging module supporting body and a water conveying pipe, wherein the outer sleeve component comprises an outer sleeve and a sleeve seat, and a water supply cavity is formed in the sleeve seat; the rear end of the outer sleeve is communicated with a water supply cavity, and the water supply cavity is also communicated with the water delivery pipe; the imaging module is supported on the outer sleeve component through the imaging module supporting body, the imaging module is contained in the outer sleeve, and a section of clear water cavity is formed between the front end face of the outer sleeve and the lens of the imaging module.
2. The visual device for fluid assisted minimally invasive surgery as claimed in claim 1, wherein the outer cannula and the cannula holder are of an integral structure or of a separate structure.
3. The visual device for fluid assisted minimally invasive surgery of claim 2, wherein the imaging module support is supported on the outer cannula or on the cannula holder.
4. The visual device for fluid-assisted minimally invasive surgery as claimed in claim 3, wherein the imaging module supporter is a rod body, or a support frame, or a rigid wire body, or a structure of the rod body and the support frame.
5. The visual device for fluid assisted minimally invasive surgery as claimed in claim 4, wherein the imaging module supporter is a rod body, the rear end of the rod body is supported at the rear part of the cannula holder, the portion of the cannula holder, which is located at the rear side of the water supply cavity, is provided with a first through hole, and the rod body is supported and mounted at the rear part of the cannula holder through the first through hole.
6. The visualization device of any one of claims 1 to 5, wherein part or all of the outer cannula is a flexible tube.
7. The visualization device for minimally invasive fluid-assisted surgery as claimed in any one of claims 1 to 5, wherein the wall of the cannula holder is provided with a water supply hole, and the water supply hole is communicated with the water supply cavity; the water supply hole is connected with a water pipe.
8. The visual device for fluid assisted minimally invasive surgery as claimed in any one of claims 1 to 5, wherein the front end portion of the outer sleeve is bent to one side to form a first bent portion, the front end portion of the imaging module support is bent to one side to form a second bent portion, the direction of the second bent portion is the same as that of the first bent portion, and the clear water chamber is located inside the first bent portion.
9. The device as claimed in any one of claims 1 to 5, wherein the front end of the outer casing is provided with a connecting part for connecting with an operation tool.
10. The visual device for fluid-assisted minimally invasive surgery of claim 9, wherein the connecting part is an internal thread arranged on the inner side wall of the front end of the outer sleeve and used for connecting an operating tool, and the internal thread is positioned on the front side of the lens.
11. The visual device for fluid-assisted minimally invasive surgery as claimed in any one of claims 1 to 5, wherein the rear end of the cannula holder is further provided with one or more than two operation holes, and the operation holes form a working channel for communicating the inside of the outer cannula assembly with the outside.
12. The visual device for fluid assisted minimally invasive surgery as claimed in claim 11, further comprising inner tubes, wherein the inner tubes are arranged at the operation holes, working channels for communicating the inner part of the outer sleeve with the outside are formed in the inner tubes, and the number of the inner tubes is smaller than or equal to the number of the operation holes.
13. The visual device of claim 12, wherein the front end face of the inner tube is located at the back side of the lens.
14. The visualization device for fluid assisted minimally invasive surgery as recited in claim 12 or 13, wherein the front end of the inner tube body is provided with an elastic tightening part, and the inner diameter of the elastic tightening part is smaller than that of the inner tube body.
15. The visual device of claim 11, further comprising a sealing cap for sealing off the access port.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021107325930 | 2021-06-30 | ||
| CN202110732593.0A CN113413122A (en) | 2021-06-30 | 2021-06-30 | Visual device for fluid-assisted minimally invasive surgery |
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| CN217792968U true CN217792968U (en) | 2022-11-15 |
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| CN202110732593.0A Pending CN113413122A (en) | 2021-06-30 | 2021-06-30 | Visual device for fluid-assisted minimally invasive surgery |
| CN202123015840.XU Active CN217792968U (en) | 2021-06-30 | 2021-12-03 | Visual device for fluid-assisted minimally invasive surgery |
| CN202111465148.9A Pending CN115530735A (en) | 2021-06-30 | 2021-12-03 | Visual device for fluid-assisted minimally invasive surgery |
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| CN114828942A (en) | 2019-06-28 | 2022-07-29 | 狄奥多西·亚历山大 | Removable mechanical circulation support device for short-term use |
| EP4364638A1 (en) * | 2021-06-30 | 2024-05-08 | Li, Guangcheng | Fluid-assisted minimally invasive surgery visualization device |
| US20230381492A1 (en) * | 2021-11-16 | 2023-11-30 | Theodosios Alexander | Collapsing mechanical circulatory support device for temporary use |
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2021
- 2021-06-30 CN CN202110732593.0A patent/CN113413122A/en active Pending
- 2021-12-03 CN CN202123015840.XU patent/CN217792968U/en active Active
- 2021-12-03 CN CN202111465148.9A patent/CN115530735A/en active Pending
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| Publication number | Publication date |
|---|---|
| CN113413122A (en) | 2021-09-21 |
| CN115530735A (en) | 2022-12-30 |
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