CN110200667B - Soft channel for neuroendoscopy operation and establishing method - Google Patents
Soft channel for neuroendoscopy operation and establishing method Download PDFInfo
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- CN110200667B CN110200667B CN201910354670.6A CN201910354670A CN110200667B CN 110200667 B CN110200667 B CN 110200667B CN 201910354670 A CN201910354670 A CN 201910354670A CN 110200667 B CN110200667 B CN 110200667B
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- air bag
- screw rod
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- endoscope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
- A61B2017/0225—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery flexible, e.g. fabrics, meshes, or membranes
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Abstract
The invention discloses a soft channel for neuroendoscopy surgery, which comprises an air bag and is characterized in that the air bag comprises an inner wall and an outer wall, a closed cavity is formed between the inner wall and the outer wall, the closed cavity is connected with a conveying assembly, a cavity is arranged at the center of the air bag, a screw rod is arranged in the cavity, one end of the screw rod is exposed out of the air bag, an endoscope is arranged at the other end of the screw rod, a contraction ring for tightening the air bag is arranged on the screw rod, and a transparent film is arranged at one end, close to the endoscope, of the air bag. The invention provides a channel which can enable a micro wound to reach a ventricle and can realize continuous indoor and outdoor communication of the ventricle and an establishment method through the structures of an air bag, a screw rod, a contraction ring, a conveying device and the like.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a soft channel for neuroendoscopy surgery and an establishing method.
Background
At present, in primary hospitals, neuroendoscopy is more and more widely applied and becomes an indispensable operation tool, ventricular hemorrhage is a common acute severe disease of a nervous system, wherein ventricular hemorrhage cast is a common type of ventricular hemorrhage, acute severe hydrocephalus is easy to cause, high lethality rate is achieved, hematoma removal operation is needed for treatment, and operation channels are the first problem to be solved by people, the prior art also provides a flexible brain dilator and a tubular brain pressing plate which are matched for use, brain tissue flexibility can be realized by inflating a balloon, then the tubular brain pressing plate is placed into brain tissue along with the balloon to establish brain channels, however, in the process of establishing brain channels, as the length of the balloon is far smaller than that of the needed brain channels, the balloon needs to be expanded and advanced for many times to complete the whole brain channels, and the balloon is repeatedly expanded and contracted for many times to gradually advance, so that the implantation of the whole tubular brain spatula is time-consuming and labor-consuming. In addition, the movement and expansion not only easily cause transverse traction injury to brain tissues, but also easily cause longitudinal traction injury to the brain tissues, and the repeated operation for many times also increases the whole operation time, thereby being not beneficial to smooth operation.
The channel which can enable a small wound to reach the ventricle and realize continuous intracerebroventricular communication is provided at present, so that the channel is beneficial to operation, economical and practical, and can solve the difficulty of primary hospitals.
Disclosure of Invention
Aiming at the defects in the prior art, the invention discloses a soft channel for neuroendoscopy surgery and an establishment method thereof, and provides a channel which can reach a ventricle with a tiny wound and can realize continuous communication between the ventricle and the outside.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a soft channel for neuroendoscopy surgery comprises an air bag, wherein the air bag comprises an inner wall and an outer wall, a closed cavity is formed between the inner wall and the outer wall and is connected with a conveying assembly, a cavity is arranged at the center of the air bag, a screw rod is arranged in the cavity, one end of the screw rod is exposed out of the air bag, an endoscope is arranged at the other end of the screw rod, a contraction ring for tightening the air bag is arranged on the screw rod, and a transparent film is arranged at one end, close to the endoscope, of the air bag;
the air bag comprises a first state and a second state, and in the first state, the screw rod is connected with the air bag, and the air bag is connected with the contraction ring; in the second state, the delivery assembly inflates the balloon to expand, and the balloon separates from the constricting ring.
Preferably, the airbag is provided in a folded configuration.
Preferably, the screw is adhered to the inner wall of the air bag by a water-soluble adhesive.
Preferably, the screw is a metal screw and is matched with the length of the air bag.
Preferably, the endoscope can extend to the bottom of the air bag, and the inner diameter of the endoscope and the inner diameter of the air bag in the first state are matched.
Preferably, the outer surface of the endoscope is provided with a film.
Preferably, the number of the shrink rings is set to at least two.
Preferably, the conveying assembly comprises an inflatable balloon, the inflatable balloon is arranged outside the air bag, one end of the inflatable balloon is connected with a conveyor, the other end of the inflatable balloon is connected with a conveying pipe, and the conveying pipe is connected inside the double-layer outer wall of the air bag.
A method for establishing a soft channel for neuroendoscopy surgery comprises the following steps:
the first step, preparation: the screw rod is stuck on the inner wall of the air bag, the inflatable air bag is connected with the conveyor, and the air bag is in a first state;
secondly, probing: the screw and the endoscope drive the air bag to enter the skull together under the vision, and the accurate operation position is detected;
step three, expansion: after the surgical site is determined, the conveyor conveys gas to the inflatable balloon until the balloon is expanded to a second state;
fourthly, pulling out: and flushing the air bag, separating the screw rod from the air bag, and taking out the screw rod and the endoscope to form a brain channel.
Preferably, ethylene oxide is used for sterilization prior to the first step.
The beneficial effects of the invention are as follows: the invention provides a channel which can enable a micro wound to reach a ventricle and can realize continuous indoor and outdoor communication of the ventricle and an establishment method through the structures of an air bag, a screw rod, a contraction ring, a conveying device and the like.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic diagram of a first state of a soft channel for neuroendoscopic surgery and an establishing method according to the present invention.
FIG. 2 is a schematic representation of the present invention during inflation of the airbag.
FIG. 3 is a diagram of a second state of a soft channel for neuroendoscopic surgery and a method for establishing the same according to the present invention.
In the figure: 1-air sac, 2-inner wall, 3-outer wall, 4-conveying component, 5-screw, 6-endoscope, 7-contraction ring, 8-transparent film, 9-pad pasting, 10-inflatable balloon, 11-conveyor, 12-conveying pipe
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the invention comprises an air bag 1, the air bag 1 comprises an inner wall 2 and an outer wall 3, a closed cavity is formed between the inner wall 2 and the outer wall 3 to ensure the expansion of the air bag 1 after inflation, the closed cavity is connected with a conveying assembly 4 to inflate the air bag 1, a cavity is arranged at the center of the air bag 1, a screw 5 is arranged in the cavity to support the air bag 1, one end of the screw 5 is exposed out of the air bag 1 to facilitate taking and smoothly feeding the air bag 1 into the cranium, and simultaneously facilitate taking out the screw 5 after the inflation is finished, the other end of the screw 5 is provided with an endoscope 6 to facilitate detecting an accurate operation position, a contraction ring 7 for tightening the air bag 1 is arranged on the screw 5 to facilitate tightening the air bag 1 when the air bag is not inflated, and one end of the air bag 1 close to the endoscope 6 is provided with a transparent film 8 to widen the visual field of vision;
the air bag 1 comprises a first state and a second state, wherein in the first state, the screw 5 is connected with the air bag 1, and the air bag 1 is connected with the contraction ring 7; in the second state, the delivery assembly 4 inflates the balloon 1 to expand, and the balloon 1 separates from the constricting ring 7.
The balloon 1 is provided with a folded structure and is small in size so as to have enough length to reach the operation position.
The screw 5 is adhered to the inner wall of the air bag 1 through a water-soluble adhesive, so that the screw 5 is firmly adhered to the air bag 1, and the screw can be taken out after flushing.
The screw 5 is a metal screw and is matched with the length of the air bag 1, so that the screw 5 has enough length to support the air bag 1.
The endoscope 6 can extend to the bottom of the air bag 1, and the inner diameter of the endoscope 6 in the first state of the air bag 1 is matched with that of the air bag 1, so that the endoscope can be placed into the air bag 1 before restarting, and can conveniently enter into the cranium.
The outer surface of the endoscope 6 is provided with a film 9 to reduce the damage of the endoscope to the brain tissue in the movement process.
The number of the contraction rings 7 is set to at least two to ensure the tightening of the balloon 1 when entering the cranium.
The conveying assembly 4 comprises an inflatable balloon 10 for inflating the airtight cavity between the inner wall 2 and the outer wall 3 of the air bag 1, the inflatable balloon 10 is arranged outside the air bag 1, one end of the inflatable balloon 10 is connected with a conveyor 11, the other end of the inflatable balloon 10 is connected with a conveying pipe 12, the conveying pipe 12 is connected between the inner wall 2 and the outer wall 3 of the air bag 1, and the conveyor 11 can be inflated by using an injector.
A method for establishing a soft channel for neuroendoscopy surgery comprises the following steps:
the first step, preparation: the screw rod 5 is stuck on the inner wall of the air bag 1, the inflatable air bag 10 is connected with the conveyor 11, and the air bag 1 is in a first state; the expansion test of the air bag 1 is firstly carried out in vitro, whether the air bag 1 can normally expand and contract is observed, and if the air bag 1 can normally work, the next step is continued.
Secondly, probing: the screw 5 and the endoscope 6 drive the air bag 1 to enter the skull together under the vision, and the accurate operation position is detected; the end of the air bag 1 close to the endoscope is provided with a transparent film 8, which ensures that the air bag enters the intracranial space under the vision and can clearly find the focus.
Step three, expansion: after the operation position is determined, the conveyor 11 conveys gas to the inflatable balloon 10 until the balloon 1 is expanded to a second state, and the balloon 1 breaks through the contraction ring 7 to be expanded; when the conveyor 11 delivers gas, the maximum gas required for expanding the balloon 1 is calculated in advance before operation, enough gas is prepared in advance, and then the gas is slowly pushed into the balloon 1, and the balloon reaches the maximum diameter, namely the diameter required by the cerebral channel.
Fourthly, pulling out: flushing the air bag 1, separating the screw 5 from the air bag 1, and taking out the screw 5 and the endoscope 6 to form a brain channel.
Ethylene oxide sterilization is used prior to the first step to ensure that the procedure is performed under sterile conditions.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (6)
1. A soft channel for neuroendoscopy surgery comprises an air bag and is characterized in that the air bag comprises an inner wall and an outer wall, a closed cavity is formed between the inner wall and the outer wall and connected with a conveying assembly, a cavity is arranged at the center of the air bag, a screw rod is arranged in the cavity, one end of the screw rod is exposed out of the air bag, an endoscope is arranged at the other end of the screw rod, a contraction ring for tightening the air bag is arranged on the screw rod, and a transparent film is arranged at one end, close to the endoscope, of the air bag;
the air bag comprises a first state and a second state, and in the first state, the screw rod is connected with the air bag, and the air bag is connected with the contraction ring; when the brain channel is in the second state, the conveying assembly inflates the air bag to expand, the screw rod is separated from the air bag, the air bag breaks through the contraction ring to expand, the air bag is separated from the contraction ring, and the screw rod and the endoscope are taken out to form a brain channel;
the screw is adhered to the inner wall of the air bag through a water-soluble adhesive;
the airbag is of a folded structure.
2. The soft channel for neuroendoscopic surgery as defined in claim 1, wherein the screw is a metal screw and is matched with the length of the balloon.
3. The flexible channel for neuro-endoscopic surgery as defined in claim 1, wherein the endoscope is extendable to the bottom of the balloon, and the inner diameter of the endoscope matches the inner diameter of the balloon in the first state.
4. The soft channel for neuroendoscopy surgery of claim 1, wherein a film is provided on the outer surface of the endoscope.
5. The flexible channel for neuroendoscopy surgery of claim 1, wherein the number of the constriction rings is set to at least two.
6. The soft channel for neuroendoscopy surgery of claim 1, wherein the conveying assembly comprises an inflatable balloon, the inflatable balloon is arranged outside the air bag, one end of the inflatable balloon is connected with a conveyor, the other end of the inflatable balloon is connected with a conveying pipe, and the conveying pipe is connected inside the double-layer outer wall of the air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354670.6A CN110200667B (en) | 2019-04-29 | 2019-04-29 | Soft channel for neuroendoscopy operation and establishing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910354670.6A CN110200667B (en) | 2019-04-29 | 2019-04-29 | Soft channel for neuroendoscopy operation and establishing method |
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| Publication Number | Publication Date |
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| CN110200667A CN110200667A (en) | 2019-09-06 |
| CN110200667B true CN110200667B (en) | 2020-11-27 |
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| CN201910354670.6A Active CN110200667B (en) | 2019-04-29 | 2019-04-29 | Soft channel for neuroendoscopy operation and establishing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115068022B (en) * | 2022-08-23 | 2024-05-07 | 中国人民解放军总医院第六医学中心 | Brain tissue expansion kit for craniocerebral operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030069476A1 (en) * | 2001-10-09 | 2003-04-10 | Deslauriers Richard J. | Dilating inflatable speculum |
| CN103702646B (en) * | 2011-06-24 | 2016-03-30 | 凯希特许有限公司 | The decompression of tissue fixation elements is adopted to apply part |
| US20140209658A1 (en) * | 2013-01-25 | 2014-07-31 | Covidien Lp | Foam application to stapling device |
| CN206214147U (en) * | 2016-08-29 | 2017-06-06 | 杭州市第一人民医院 | A kind of nasal cavity filling airbag apparatus for intranasal endoscopic surgery |
| CN108261212A (en) * | 2016-12-30 | 2018-07-10 | 山东省立医院 | A kind of medical support airbag apparatus and its application method |
| CN207341999U (en) * | 2017-03-09 | 2018-05-11 | 江西依莱斯医疗器械有限公司 | One kind operates visual trachea cannula |
| CN107198576B (en) * | 2017-07-17 | 2020-03-03 | 天津大学 | Deployable rigidity-variable snake-shaped carrier for natural orifice surgery |
| CN108158616A (en) * | 2018-01-08 | 2018-06-15 | 浙江大学 | The gas that tumor specimen is taken out used in the postoperative per anum of Colon and rectum fills formula lane device |
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