CN115040171A - Novel visual device of fluid-assisted minimally invasive surgery - Google Patents

Abstract

The invention discloses a novel fluid-assisted minimally invasive surgery visual device which comprises an outer sleeve component, a puncture catheter component, an outer drainage catheter component, an imaging component and a water delivery pipe. The outer sleeve component comprises an outer sleeve base and an outer sleeve, a water supply cavity communicated with the water delivery pipe is arranged in the outer sleeve base, and the rear end of the outer sleeve is communicated with the water supply cavity; the imaging module comprises a support body and an imaging module, and the imaging module is arranged in the outer sleeve through the support body; the puncture catheter component comprises a puncture catheter seat and a puncture catheter, and the front end of the puncture catheter is a blind end, so that tissues can be punctured conveniently; the outer drainage tube component is sleeved outside the puncture tube and comprises an outer drainage tube seat and an outer drainage tube. The invention has simple structure and convenient operation, is integrally a detachable combined structure, and can meet various operations required in the operation; can realize the drainage of the smooth of washing liquid in the art and discharge, reduce the hydrops between the tissue and persist, increase visual degree, improve the accuracy and the efficiency of operation, reduce the operation risk.

Description

Novel visual device of fluid-assisted minimally invasive surgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to a novel fluid-assisted minimally invasive surgery visual device.

Background

Although the technical problem of clear and visible vision in a turbid liquid environment is solved, the conventional apparatus only has a fluid injection channel and no drainage channel for the injected fluid, so that the fluid injected into the operation part flows out smoothly, effusion is easy to remain among tissues, and the operation risk is high; in order to achieve the purpose of smoothly flowing out the flushing liquid, a larger operation wound path is often needed, so that unnecessary operation wound is caused; meanwhile, a section of 'clear water cavity' is arranged in front of the lens of the current fluid auxiliary visual device, so that a blind instrument is formed, secondary damage is easily caused when tissues are inserted into an operation, operation risks and operation operations are increased, and further improvement and improvement are urgently needed in the prior art.

Disclosure of Invention

In view of the above-mentioned shortcomings in the prior art, the present invention provides a novel fluid-assisted minimally invasive surgery visualization device, which solves the problems that the prior fluid-assisted surgery visualization device has no drainage channel, is not smooth in drainage during minimally invasive surgery, has surgical risks, and is easy to cause injury to the instrument blind opening when a surgical instrument is inserted into a surgical site.

In order to realize the technical purpose, the invention adopts the technical scheme that: a novel visual device for a fluid-assisted minimally invasive surgery comprises an outer sleeve component, an outer drainage tube component, an imaging component and a water delivery tube. The outer sleeve component comprises an outer sleeve base and an outer sleeve, a water supply cavity communicated with the water delivery pipe is arranged in the outer sleeve base, and the rear end of the outer sleeve is communicated with the water supply cavity; the imaging assembly comprises a supporting body and an imaging module, the imaging module is arranged in the outer sleeve through the supporting body, and a section of clear water cavity is formed by a lens in the imaging module and the front end face of the outer sleeve; the outer drainage tube assembly comprises an outer drainage tube seat and an outer drainage tube which are fixedly connected, and the outer drainage tube assembly is sleeved outside the outer sleeve and forms a drainage cavity with the outer side wall of the outer sleeve.

Furthermore, the outer drainage tube base is provided with a first combination portion, the outer sleeve base is provided with a second combination portion, and the first combination portion and the second combination portion can be combined in a matched mode.

Furthermore, the first combining part is of a buckle structure and is provided with at least one clamping hook, and the clamping hook comprises a pressing handle and a hook claw; the second combining part is of a boss structure and is arranged at the front part of the outer sleeve base, and the front end of the second combining part is matched with the hook claw in a clamping manner.

Furthermore, the first combining part is of a sleeve structure, the first combining part is installed at the upper end of the outer drainage tube seat, and an opening at the upper end and the inner side wall of the first combining part are provided with internal threads; the side wall of the outer drainage tube base is provided with an outer drainage port communicated with the drainage cavity; the second combining part is arranged at the front part of the outer sleeve base, and the outer side wall of the second combining part is provided with an external thread matched with the internal thread in the first combining part.

Preferably, the first combining part is rotatably connected with the outer drainage tube seat.

Furthermore, a drainage tube interface communicated with the drainage cavity is arranged on the side wall of the outer drainage tube seat, and the outer end of the drainage tube interface is hermetically connected with a drainage tube; and a sealing cap is arranged at the upper end of the outer drainage tube seat and is sealed between the outer sleeve and the outer drainage tube seat.

Furthermore, the drainage tube is a hose, and an air accumulation cavity is arranged on the drainage tube.

A novel visual device for a fluid-assisted minimally invasive surgery further comprises a puncture catheter component which is sleeved outside an outer sleeve and comprises a puncture catheter seat and a puncture catheter, wherein the puncture catheter seat is accommodated between an outer sleeve base and an outer drainage catheter seat; the outer diameter of the puncture tube is adapted to the inner diameter of the outer drainage tube, and the puncture tube can be smoothly inserted into the outer drainage tube; the front end of the puncture tube is a blind end, and the head end of the puncture tube is combined with the outer drainage tube to form a smooth structure, which is shaped like a bullet and is in a sharp round or blunt round shape.

Furthermore, the front end of the puncture tube is a transparent blind end.

Compared with the prior art, the invention has the following beneficial effects: the invention has simple structure and convenient operation, and the whole structure is a detachable combined structure, thereby being capable of meeting various operations required in the operation; the outer drainage tube assembly can realize smooth drainage and discharge of flushing liquid in an operation, reduce residual liquid among tissues, increase the visualization degree, improve the accuracy and efficiency of operation and reduce the operation risk; the puncture catheter component can be attached to the blind end of the insertion instrument to form a bullet-shaped blind end, so that the puncture tissue can reach the surgical site, and the damage to the tissue is reduced; meanwhile, the transparent blind end enables the instrument to have a visual puncture function.

Drawings

FIG. 1 is a schematic view of the overall structure used in the practice of the present invention;

FIG. 2 is a longitudinal cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of the lancing catheter assembly of the present invention;

FIG. 4 is a schematic view of a first embodiment of an outer sleeve assembly according to the present invention;

FIG. 5 is a schematic structural view of a first embodiment of the outer catheter assembly of the present invention;

FIG. 6 is an isometric view of the structure of FIG. 5;

FIG. 7 is a schematic view of a second embodiment of the outer sleeve assembly of the present invention;

FIG. 8 is a schematic structural view of a second embodiment of the outer catheter assembly of the present invention;

FIG. 9 is a schematic structural view of a third embodiment of the outer catheter assembly of the present invention;

in the figure: 1. the device comprises an outer sleeve component 2, an outer drainage tube component 3, a puncture catheter component 4, an instrument shell 5, a water delivery pipe 6 and a clear water cavity; 10. an outer sleeve base 11, a second combining part (boss structure), 12, an outer sleeve, 13, a second combining part (thread structure), 14, a water supply cavity, 21, an outer drainage tube seat, 22, an outer drainage tube, 23, a drainage tube connector, 24, a first combining part (buckle structure), 25, a sealing cap, 26, a first combining part (sleeve structure), 27, a drainage tube, 28, an air accumulation cavity, 29, an outer drainage port, 31, a puncture tube seat, 32, a puncture tube, 33, a blind end, 41, an imaging module, 42 and a support body;

111. the pressing handle comprises a first boss, 112, a second boss, 241, a clamping hook, 242, a hook claw, 243, a supporting seat, 244 and a pressing handle.

Detailed Description

It should be noted that in the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the respective components of the present invention, and do not particularly indicate that any component of the present invention must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the present invention.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the description of the present invention, it should 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; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

In the case of the example 1, the following examples are given,

as shown in fig. 1 and 2, the novel visual device for the fluid-assisted minimally invasive surgery comprises an outer sleeve component 1, an outer drainage tube component 2, a puncture catheter component 3, an imaging component and a water conveying pipe 5, wherein when the device is used in the surgery, an instrument shell 4 is arranged at the rear end of the outer sleeve component 1, and the device is convenient to hold. With reference to fig. 2 and 4, the outer sleeve assembly 1 includes an outer sleeve base 10 and an outer sleeve 12, a water supply cavity 14 is disposed inside the outer sleeve base 10, a channel communicated with the water supply cavity 14 is disposed on the outer sleeve base 10, an inlet of the channel is hermetically connected to a water outlet of the water pipe 5, and a water inlet end of the water pipe 5 is connected to a liquid supply device to provide a clear washing liquid for operation. The outer sleeve 12 is a hollow straight tube, and the rear end of the outer sleeve is communicated with a water supply cavity 14. The front end of outer sleeve base 10 is fixed and is equipped with second joint portion 11, and second joint portion 11 wholly is cylinder boss structure, including first boss 111 and second boss 112, and the external diameter of first boss 111 is greater than the external diameter of second boss 112, forms spacing draw-in groove.

Referring to fig. 2, the imaging assembly includes a support 42 and an imaging module 41, the imaging module 41 includes a lens and a wire connected to the lens; the imaging module 41 is arranged inside the outer sleeve 12 through a support 42, and a section of clear water cavity 6 is formed by a lens in the imaging module 41 and the front end face of the outer sleeve 12; the supporting body 42 can be a rigid rod with a hollow structure, the rear end of the rigid rod penetrates through the rear end of the outer sleeve base 10, the imaging module 41 is embedded in the front end of the supporting body 42 and is fixedly and hermetically matched with the supporting body 42, and a lead for connecting a lens is located in the supporting body 42 and penetrates through the rear end of the supporting body 42 to be connected with an external display device.

As shown in fig. 3, the puncture catheter assembly 3 includes a puncture tube holder 31 and a puncture tube 32, which are fixedly connected and integrally formed in sequence, and the opening is deeply penetrated into the puncture tube 32 from the central opening at the rear end of the puncture tube holder 31, so that the interior of the puncture tube 32 is hollow, and the front end of the puncture tube 32 is a transparent blind end 33, which facilitates the visualization operation during the puncture process.

As shown in fig. 5 and 6, the outer drainage tube assembly 2 comprises an outer drainage tube base 21 and an outer drainage tube 22, which are fixedly connected with each other in a sealing manner, are opened at two ends, and are hollow inside; the side wall of the outer drainage tube seat 21 is provided with a drainage tube connector 23, referring to fig. 2, the outer end of the drainage tube connector 23 is hermetically connected with a drainage tube 27, the drainage tube 27 is a flexible tube, the siphon force is controlled by adjusting the height of the open end of the drainage tube 27 in real time, meanwhile, the drainage tube 27 is also provided with an air accumulation cavity 28, the air accumulation cavity 28 can collect gas generated by interval suction in the drainage liquid suction process, and the siphon section of the drainage tube 27 is prevented from being filled with the gas, so that the siphon effect in the operation process is prevented from being influenced; a sealing cap 25 is mounted at the upper end of the outer drainage tube seat 21, and the sealing cap 25 is sealed between the outer sleeve 12 and the outer drainage tube seat 21. A first combining part 24 is arranged on the outer side of the upper part of the outer drainage tube seat 21, the first combining part 24 is of a buckle structure and comprises two symmetrical clamping hooks 241, each clamping hook 241 comprises a pressing handle 244 and a hook claw 242 arranged on the inner side of the upper end of the pressing handle 244, and the hook claw 242 is matched with the first boss 111; the two hooks 241 are respectively fixedly mounted at the designated positions on the outer side wall of the outer drainage tube seat 21 through the supporting seat 243 to form a lever structure, the outer side of the lower part of the pressing handle 244 is further provided with anti-slip patterns, and the opening and closing of the upper ends of the hooks 241 are controlled by the lever principle through pressing the anti-slip patterns, so as to achieve the detachable fixed connection with the second combining part 11.

In a further preferred embodiment of the present invention, the length of the second boss 112 provided in the second coupling portion 11 at the distal end of the outer cannula base 10 is equal to the width of the puncture tube holder 31 provided in the puncture catheter set 3.

The specific use principle is as follows: when in use, the puncture catheter component 3 is sleeved outside the outer sleeve 12, then the outer drainage catheter component 2 is sleeved outside the puncture tube 32, and the puncture tube seat 31 is accommodated between the second combining part 11 and the outer drainage tube seat 21, so that the insertion depth of the puncture tube 32 can be limited; at this time, the puncture tube 32 is smoothly inserted into the outer drainage tube 22, and the outer diameter of the puncture tube 32 is adapted to the inner diameter of the outer drainage tube 22, so that the head end of the puncture tube is formed into a smooth structure after being combined with the outer drainage tube 22, and the puncture tube is in a shape of a bullet and is in a sharp circle or a blunt circle, thereby facilitating the whole intubation tube to puncture tissues and reach an operation part. Then the lower end of a pressing handle 244 of the first combining part 24 in the outer drainage tube component 2 is pressed, the upper end of a clamping hook 241 is opened, the outer casing tube component 1 is driven by the hand-held instrument shell 4 to be drawn out, then the puncture catheter component 3 is drawn out, the outer casing tube 12 is inserted into the outer drainage tube component 2 again, and a sealing cap 25 at the upper end of the outer drainage tube seat 21 is sealed between the upper end of the outer drainage tube seat 21 and the outer casing tube 12 to prevent drainage liquid from leaking.

In the operation process, clear normal saline is continuously fed into the water supply cavity 14 through the water conveying pipe 5, the normal saline is discharged through the front end of the communicated outer sleeve 12, when the front end of the outer sleeve 12 is close to the tissue surface in the operation, the flowing clear normal saline flushes blood on the tissue surface, the clear water cavity 6 still keeps a clear state, clear imaging can be performed through a lens, a visual condition is provided, and the operation condition of the tissue surface can be conveniently and clearly observed. The physiological saline, the blood and the mixed liquid of the two which are flushed into the tissue intermittently flow into the position of the external drainage tube base 21 along the drainage cavity formed between the outer side wall of the outer sleeve 12 and the external drainage tube 22 under the siphon action and are discharged through the drainage tube interface 23 and the drainage tube 27. Due to the extraction of the puncture catheter assembly 3, a gap is formed between the outer drainage tube seat 21 and the second combining part 11, the outer sleeve 12 can move back and forth within the outer drainage tube 22 by a limited distance (the length of the second boss 112), and the requirement of back and forth adjustment in different operation positions in the operation process is met.

In the case of the example 2, the following examples are given,

referring to fig. 7 and 8, a novel visual device for fluid-assisted minimally invasive surgery has the same technical solution as that described in example 1, and has the following differences: the second combining portion 13 disposed at the front portion of the outer casing base 10 is a cylindrical structure, and an external thread is disposed on an outer sidewall thereof.

The first combining part 26 in the external drainage tube component 2 is of a sleeve structure, two ends of the first combining part are open, the interior of the first combining part is hollow, the inner side wall of the first combining part is provided with internal threads matched with the external threads in the second combining part 13, and the setting width of the internal threads is larger than that of the puncture tube seat 31; the lower end of the first combining part 26 is limited and sleeved at the upper end of the outer drainage tube seat 21 and is connected with the outer drainage tube seat 21 in a rotating and sealing mode. When the outer tube 12 is inserted into the outer tube 22, the first engaging portion 26 can be rotated on the outer tube base 21 to screw the second engaging portion 13.

The principle of the use process of the novel fluid-assisted minimally invasive surgery visual device in the embodiment 2 is the same as the specific use principle in the embodiment 1, and the difference is that in the embodiment 2, the connection mode between the outer drainage tube assembly 2 and the outer cannula assembly 1 is threaded connection, and the rest contents are not described again here.

In the case of the example 3, the following examples are given,

referring to fig. 7 and 9, a novel visual device for fluid-assisted minimally invasive surgery has the same technical solution as that described in example 1, and has the following differences: the second combining portion 13 disposed at the front portion of the outer casing base 10 is a cylindrical structure, and an external thread is disposed on an outer sidewall thereof.

The first combining part 26 in the outer drainage tube component 2 is of a sleeve structure, is arranged at the upper end of the outer drainage tube seat 21 and is integrally formed with the outer drainage tube seat 21; the upper end of the first combining part 26 is open, and the inner side wall thereof is provided with an internal thread matched with the external thread in the second combining part 13. The side wall of the external drainage tube seat 21 is provided with an external drainage port 29 for discharging flushing fluid intermittently flowing out of the drainage cavity in the operation process.

The principle of using the novel fluid-assisted minimally invasive surgery visual device in the embodiment 3 is the same as that in the embodiment 1, and the content thereof is not described herein again.

Parts which are not described in the invention can be realized by adopting or referring to technical characteristics in the prior art.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention, and the present invention is not limited to the above-mentioned examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.

Claims (9)

1. The utility model provides a novel visual device of fluid-assisted minimal access surgery which characterized in that: the device comprises an outer sleeve component, an outer drainage tube component, an imaging component and a water delivery tube, wherein the outer sleeve component comprises an outer sleeve base and an outer sleeve, a water supply cavity communicated with the water delivery tube is arranged in the outer sleeve base, and the rear end of the outer sleeve is communicated with the water supply cavity; the imaging assembly comprises a supporting body and an imaging module, the imaging module is arranged in the outer sleeve through the supporting body, and a section of clear water cavity is formed by a lens in the imaging module and the front end face of the outer sleeve; the outer drainage tube assembly comprises an outer drainage tube seat and an outer drainage tube which are fixedly connected, and the outer drainage tube assembly is sleeved outside the outer sleeve and forms a drainage cavity with the outer side wall of the outer sleeve.

2. The novel fluid assisted minimally invasive surgical visualization device as set forth in claim 1, wherein: the outer drainage tube base is provided with a first combination portion, the outer drainage tube base is provided with a second combination portion, and the first combination portion and the second combination portion can be combined in a matched mode.

3. The novel fluid assisted minimally invasive surgical visualization device as set forth in claim 2, wherein: the first combining part is of a buckle structure and is provided with at least one clamping hook, and the clamping hook comprises a pressing handle and a hook claw; the second combining part is of a boss structure and is arranged at the front part of the outer sleeve base, and the front end of the second combining part is matched with the hook claw in a clamping manner.

4. The novel fluid assisted minimally invasive surgical visualization device as set forth in claim 2, wherein: the first combining part is of a sleeve structure and is arranged at the upper end of the outer drainage tube seat, and an opening at the upper end and the inner side wall of the first combining part are provided with internal threads; the side wall of the outer drainage tube base is provided with an outer drainage port communicated with the drainage cavity; the second combining part is arranged at the front part of the outer sleeve base, and the outer side wall of the second combining part is provided with an external thread matched with the internal thread in the first combining part.

5. The novel fluid assisted minimally invasive surgical visualization device as set forth in claim 4, wherein: the first combining part is rotatably connected with the outer drainage pipe seat.

6. The novel visual device of fluid assisted minimally invasive surgery of claim 1, characterized in that: a drainage tube interface communicated with the drainage cavity is arranged on the side wall of the outer drainage tube seat, and the outer end of the drainage tube interface is hermetically connected with a drainage tube; and a sealing cap is arranged at the upper end of the outer drainage tube seat and is sealed between the outer sleeve and the outer drainage tube seat.

7. The novel fluid assisted minimally invasive surgical visualization device as set forth in claim 6, wherein: the drainage tube is a hose, and an air accumulation cavity is arranged on the drainage tube.

8. The novel visual device for fluid assisted minimally invasive surgery as claimed in any one of claims 1 to 7, wherein: the puncture catheter assembly is sleeved outside the outer sleeve and comprises a puncture tube seat and a puncture tube, wherein the puncture tube seat is accommodated between the outer sleeve base and the outer drainage tube seat; the outer diameter of the puncture tube is adapted to the inner diameter of the outer drainage tube, and the puncture tube can be smoothly inserted into the outer drainage tube; the front end of the puncture tube is a blind end, and the head end of the puncture tube is combined with the outer drainage tube to form a smooth structure, which is shaped like a bullet and is in a sharp round or blunt round shape.

9. The novel fluid assisted minimally invasive surgical visualization device as set forth in claim 8, wherein: the front end of the puncture tube is a transparent blind end.

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