CN201958929U - Medical brain-tissue passage-manufacturing device - Google Patents
Medical brain-tissue passage-manufacturing device Download PDFInfo
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- CN201958929U CN201958929U CN2010206912198U CN201020691219U CN201958929U CN 201958929 U CN201958929 U CN 201958929U CN 2010206912198 U CN2010206912198 U CN 2010206912198U CN 201020691219 U CN201020691219 U CN 201020691219U CN 201958929 U CN201958929 U CN 201958929U
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Abstract
The utility model relates to medical equipment, in particular to a medical brain-tissue passage-manufacturing device, which comprises an outer sleeve and an expanding sheath, wherein the outer sleeve can extend into the inside of a brain and is used for establishing an operating passage, and the expanding sheath is used for expanding a puncture passage after brain puncture, is convenient for the outer sleeve to be inserted and can circumferentially expand and shrink; and the expanding sheath comprises an expanding balloon, an expanding-balloon conduit and an outer sheath, wherein the expanding-balloon conduit is used for installing the expanding balloon, the outer sheath is convenient for the expanding sheath to extend into the inside of the brain before the expansion of the expanding balloon and after the brain puncture and is used for coating the expanding balloon, and the outside diameter of the outer sheath is larger than that of a brain puncture needle and smaller than that of the expanding balloon after the expanding balloon is expanded. Through the passage-manufacturing device disclosed by the utility model, not only can the passage-manufacturing device be convenient to enter the inside of a brain tissue to form an endoscopic operating passage and effectively support and maintain the endoscopic operating passage, but also consequences, such as neurological deficits and the like, caused by the damage to surrounding brain tissues, can be effectively avoided.
Description
Technical field
This utility model relates to a kind of armarium, is that medical cerebral tissue is made logical device specifically.
Background technology
At present, the Medical Technology development can adopt various advanced persons' Medical Technology that patient's disease is treated rapidly.Wherein, employing operative treatment mode can fast and effeciently be treated the focus among the patient body, and generally needs to adopt corresponding armarium provide the equipment support for operation in operation.
When people's internal lesions is undergone surgery, at first generally need to set up operating walk way, focus is operated so that apparatus stretches in the passage from external to internal lesions.The foundation of passage can adopt special-purpose armarium to finish, as some surgery brain endoscopies etc. is the effective tool of deep pathological changes in the present human body, but its shortcoming be operating theater instruments need by the narrow service aisle on the sight glass mirror sheath (＜2mm), its surgical apparatus costliness, waste time and energy in the use, the visual field is narrow and small, and the operative indication scope is narrow, is difficult to clinical popularizing.
In the prior art, the foundation of operating walk way can also adopt additive method to finish, such as forming occasional passage external between the internal lesions earlier, insert rigid pipe then in occasional passage, by the outer tissue of rigid pipe stay pipe, the pipe internal channel is then as the operating walk way of operating theater instruments.Can also cortex cerebral tissue in the passage between focus be absorbed by cutting and the method for absorbing, form operation path by the brain spatula tractive then.
But because rigid pipe is too hard, in the process in stretching into cerebral tissue, normal cerebral tissue around the damage causes the iatrogenic wound of bringing of performing the operation unnecessarily to enlarge easily.And belong to the non-once medical apparatus and instruments, cross infection easily.And, the rigid pipe fixed diameter, and the operating walk way size in the operation is ever-changing, needs to prepare the rigid pipe of many different sizes; Need adjust at any time in the occasion of operating walk way size, shape, angle when simultaneously, existing rigid pipe also is difficult to be applied to operation.
Cutting and absorption part cerebral tissue are that another kind of cortex is made circulation method.The secondary damaged area that this method causes is very big sometimes, involve the damage of nervus vasculairs, hemorrhage, the downright bad probability of local brain tissue increases, the complication that usually causes patient's postoperative: as hemiplegia, aphasia, disorder of limb ' s activity, epilepsy etc., the increase of the drug use of postoperative encephaledema simultaneously causes the complication of other visceral organ injuries.
The utility model content
Deficiency at above-mentioned technology, technical problem to be solved in the utility model provides a kind of medical cerebral tissue and makes logical device, it can conveniently enter cerebral tissue interior formation endoscopic surgery passage and effectively support and keep the endoscopic surgery passage, effectively avoids damaging simultaneously surrouding brain tissue and causes consequences such as neural disappearance.
This utility model is achieved in that medical cerebral tissue makes logical device, but comprises that can stretch into brain inside is used to set up the trocar sheath of operation technique passage and is used for the dilated penetration passage after the brain puncture be convenient to the adjacent circumferential expansion that trocar sheath inserts and the expansion sheath of contraction.
This utility model also has following additional technical feature:
Described expansion sheath comprises the expansion of balloon catheter of dilating sacculus, installation dilating sacculus and was convenient to expand the epitheca that sheath stretches into brain inside and coats dilating sacculus after the brain puncture that before the dilating sacculus expansion external diameter of this epitheca is expanded the external diameter of back dilating sacculus less than dilating sacculus greater than the external diameter of brain puncture needle.
Lateral wall, described trocar sheath bottom is provided with the anti-sacculus that subsides that prevents that cerebral tissue from subsiding.
Also be included in the expansion sheath with the sphere guiding sacculus that is used to guide trocar sheath progressively to enter the expansible of operation path after the puncture channel expansion and shrinks.
Detachably be equipped with successively from outside to inside in the described trocar sheath and allow expansion sheath inner sleeve that passes and the puncture positioning pipe that allows the brain puncture needle to pass.
Described dilating sacculus is a strip.
Be equipped with gas or liquid injection port on described dilating sacculus, spherical guiding sacculus and the anti-sacculus that subsides, this inlet is communicated with inflation or charging device.
The medical cerebral tissue that this utility model provides is made logical device and is compared with prior art had following advantage: in operation process, at first trocar sheath, inner sleeve and puncture positioning pipe assembly are placed place, brain bone hole, then the brain puncture needle is penetrated in the brain from the puncture positioning pipe, after determining to arrive target site, withdraw from brain puncture needle nook closing member, and import seal wire along the brain puncture needle tubing; Withdraw from needle tubing and puncture positioning pipe then, to expand sheath subsequently places in the puncture channel along seal wire, after epitheca stepped back and tear, make dilating sacculus slowly expansion or contraction by inflation or charging device, this can set up the operation path of about 1cm to 4cm diameter, and constantly expansion and contraction can make the trocar sheath creeping motion type import in the operation path in trocar sheath the place ahead along with dilating sacculus.Because trocar sheath can be resisted cerebral tissue retraction pressure and keep this operation path, and nerve endoscope and vacuum suction organ pipe and bipolar coagulation can be sent into operating field simultaneously by this operation path, when absorbing focus, can also carry out hemostasis operation, make operation safer, secondary damage is littler, it is faster that patient recovers, pair damage and the uncertainty that also can avoid blindly puncture to bring.
Description of drawings
Cross-sectional schematic when Fig. 1 is this utility model midbrain puncture needle;
Fig. 2 is the cross-sectional schematic when importing the expansion sheath in this utility model;
Fig. 3 is the cross-sectional schematic when dilating sacculus is expanded in this utility model;
Fig. 4 is the cross-sectional schematic when sphere guides balloon expandable in this utility model.
The specific embodiment
Referring to Fig. 1 and Fig. 4, the medical cerebral tissue of this utility model is shown makes a kind of optimal way of logical device, but it comprises that can stretch into brain inside is used to set up the trocar sheath 1 of operation technique passage and is used for the dilated penetration passage after the brain puncture be convenient to the adjacent circumferential expansion that trocar sheath inserts and the expansion sheath 2 of contraction; Described expansion sheath comprises the expansion of balloon catheter 22 of dilating sacculus 21, installation dilating sacculus and was convenient to expand the epitheca 23 that sheath stretches into brain inside and coats dilating sacculus after the brain puncture that before the dilating sacculus expansion external diameter of this epitheca 23 is expanded the external diameter of back dilating sacculus less than dilating sacculus greater than the external diameter of brain puncture needle 3.Make logical device by of the present utility model, not only can conveniently enter and form the endoscopic surgery passage in the cerebral tissue and effectively support and keep the endoscopic surgery passage, and can effectively avoid damaging surrouding brain tissue and cause consequences such as neural disappearance.
In the present embodiment, also be included in expansion sheath 2 with the sphere guiding sacculus 5 that is used to guide trocar sheath progressively to enter the expansible of operation path after the puncture channel expansion and shrinks; Detachably be equipped with successively from outside to inside in the described trocar sheath 1 and allow expansion sheath inner sleeve 6 that passes and the puncture positioning pipe 7 that allows the brain puncture needle to pass, the puncture positioning pipe can make the brain puncture needle accurately locate, and inner sleeve can prevent that expanding sheath rocks.In operation process, at first the assembly that trocar sheath 1, inner sleeve 6 and brain puncture positioning pipe 7 are formed places place, brain bone hole, then brain puncture needle 3 is penetrated in the brain from puncture positioning pipe 7, after determining to arrive target site, withdraw from brain puncture needle nook closing member 31, with tailing edge brain puncture needle tubing 32 seal wire 9 is imported in the puncture channel, and withdraw from needle tubing 32 and puncture positioning pipe 7; To expand sheath 2 then places in the puncture channel along seal wire, puncture channel is suitably enlarged, to expand the epitheca 23 of sheath subsequently and step back and tear, make dilating sacculus slowly expansion or contraction in puncture channel, can set up the operation path of about 1cm to 4cm diameter by inflation or charging device 8; Dilating sacculus 21 is shunk, withdraw from dilating sacculus 21 by expansion of balloon catheter 22, withdraw from inner sleeve 6 and seal wire 9 subsequently, and guide sacculus 5 to be built in the operation path sphere from trocar sheath, equally, make the spherical sacculus that guides constantly expand and shrink by inflation or charging device, make the spherical sacculus that guides at circumferencial direction and the axial expansionary force that produces, continuous expansion in sleeve pipe the place ahead outside of guiding sacculus and contraction can make the trocar sheath creeping motion type import in the operation path.Because trocar sheath can be resisted cerebral tissue retraction pressure and keep this operation path, nerve endoscope and vacuum suction organ pipe and bipolar coagulation can be sent into operating field simultaneously by this operation path, simultaneously can carry out hemostasis operation in the absorption focus, make operation safer, secondary damage is littler, it is faster that patient recovers, pair damage and the uncertainty that also can avoid blindly puncture to bring.In implementation process, the rate of expansion of dilating sacculus and spherical guiding sacculus can be controlled by the injection rate of inflation or charging device, can effectively avoid injured brain tissue and avoid blood vessel injury, and can adopt the expansion sheath of different model to adjust operating walk way size, shape, length.This utility model accurate positioning, the brain tractive is slight, and brain tissue impairment is little, and omnibearing brain protection can be provided in operation process.
In the present embodiment, described dilating sacculus 21 is a strip, and the surgical lesion that can go directly carries out the whole process expansion; Also be provided with the anti-sacculus 4 that subsides in the lateral wall, bottom of trocar sheath 1, by input gas or liquid in the anti-sacculus that subsides, make the anti-balloon expandable that subsides, the cerebral tissue that it can support around the operation path prevents that effectively cerebral tissue from collapsing into the overcoat mouth of pipe.Be equipped with at least one gas or liquid injection port on described dilating sacculus 21, spherical guiding sacculus 5 and the anti-sacculus 4 that subsides, this inlet is communicated with inflation or charging device 8.In implementation process, the soft edge that also can stretch out in the trocar sheath rear end can prevent operating theater instruments accidental injury brain table.This utility model is good reproducibility not only, and is safe, easy to operate, can make things convenient for carrying out of endoscopic surgery greatly, and can improve operation efficient, reduces operating difficulty, improves the success rate of some high accuracy, high risk operation.
Above-mentioned embodiment is only for the usefulness that this utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from this utility model spirit and scope; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (7)
1. medical cerebral tissue is made logical device, it is characterized in that: comprise the trocar sheath (1) that can stretch into brain inside and be used to set up the operation technique passage but and after the brain puncture, be used for the dilated penetration passage and be convenient to the adjacent circumferential expansion that trocar sheath inserts and the expansion sheath (2) of contraction.
2. medical cerebral tissue according to claim 1 is made logical device, it is characterized in that: described expansion sheath (2) comprises dilating sacculus (21), the expansion of balloon catheter (22) of dilating sacculus is installed and was convenient to expand the epitheca (23) that sheath stretches into brain inside and coats dilating sacculus after the brain puncture that before dilating sacculus (21) is expanded the external diameter of this epitheca (23) is expanded the external diameter of back dilating sacculus less than dilating sacculus (21) greater than the external diameter of brain puncture needle (3).
3. medical cerebral tissue according to claim 2 is made logical device, it is characterized in that: described trocar sheath (1) lateral wall, bottom is provided with the anti-sacculus that subsides (4) that prevents that cerebral tissue from subsiding.
4. medical cerebral tissue according to claim 3 is made logical device, it is characterized in that: also be included in expansion sheath (2) with the sphere guiding sacculus (5) that is used to guide trocar sheath progressively to enter the expansible of operation path after the puncture channel expansion and shrinks.
5. medical cerebral tissue according to claim 1 is made logical device, it is characterized in that: the puncture positioning pipe (7) that allows inner sleeve (6) that the expansion sheath passes and permission brain puncture needle to pass detachably is installed in the described trocar sheath (1) from outside to inside successively.
6. medical cerebral tissue according to claim 2 is made logical device, it is characterized in that: described dilating sacculus (21) is a strip.
7. medical cerebral tissue according to claim 4 is made logical device, it is characterized in that: be equipped with gas or liquid injection port on described dilating sacculus (21), spherical guiding sacculus (5) and the anti-sacculus (4) that subsides, this inlet is communicated with inflation or charging device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206912198U CN201958929U (en) | 2010-12-30 | 2010-12-30 | Medical brain-tissue passage-manufacturing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206912198U CN201958929U (en) | 2010-12-30 | 2010-12-30 | Medical brain-tissue passage-manufacturing device |
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| CN201958929U true CN201958929U (en) | 2011-09-07 |
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| CN2010206912198U Expired - Fee Related CN201958929U (en) | 2010-12-30 | 2010-12-30 | Medical brain-tissue passage-manufacturing device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614012A (en) * | 2012-03-14 | 2012-08-01 | 陈晓雷 | Endoscope guiding device |
| CN105769268A (en) * | 2015-11-16 | 2016-07-20 | 深圳市擎源医疗器械有限公司 | Brain retractor |
| CN105943096A (en) * | 2016-06-02 | 2016-09-21 | 南方医科大学南方医院 | Surgical tool used for neuroendoscopy and provided with conformal pleuripotent simulation fingers |
| CN108392717A (en) * | 2018-04-27 | 2018-08-14 | 武汉佑康科技有限公司 | A kind of visual puncturing movement balloon-system |
| CN108472148A (en) * | 2015-12-30 | 2018-08-31 | 纽哈特股份公司 | Through catheter insertion system |
| CN108542439A (en) * | 2018-05-14 | 2018-09-18 | 浙江大学医学院附属第医院 | Dilator and surgical instrument |
| CN108814664A (en) * | 2018-09-07 | 2018-11-16 | 中国人民解放军陆军军医大学第附属医院 | A kind of cranium brain deep operation clear tubular retractor |
| CN108852459A (en) * | 2018-07-25 | 2018-11-23 | 深圳市远为医疗技术有限公司 | A kind of multi-functional cranium brain of shaping makes logical device |
| CN108992768A (en) * | 2018-08-29 | 2018-12-14 | 郑州大学第附属医院 | A kind of brain surgery expander and the brain Path Setup method using the expander |
| CN111110333A (en) * | 2020-02-19 | 2020-05-08 | 上海英诺伟医疗器械有限公司 | Percutaneous nephropuncture dilation kit, method of use thereof, and surgical assembly |
| CN111369858A (en) * | 2020-03-03 | 2020-07-03 | 恩微通科技(深圳)有限公司 | Method for simulating retraction of brain tissue |
| CN111493947A (en) * | 2020-04-27 | 2020-08-07 | 厦门理工学院 | Craniocerebral operation creating and communicating device and equipment |
| WO2021227680A1 (en) * | 2020-05-12 | 2021-11-18 | 重庆锦元熙医疗科技有限公司 | Craniocerebral operation channel |
| CN113974723A (en) * | 2021-11-24 | 2022-01-28 | 河南印何阗生物科技有限公司 | Visual deep brain operation puncture drainage retraction guide catheter |
-
2010
- 2010-12-30 CN CN2010206912198U patent/CN201958929U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614012B (en) * | 2012-03-14 | 2013-12-25 | 陈晓雷 | Endoscope guiding device |
| CN102614012A (en) * | 2012-03-14 | 2012-08-01 | 陈晓雷 | Endoscope guiding device |
| CN105769268A (en) * | 2015-11-16 | 2016-07-20 | 深圳市擎源医疗器械有限公司 | Brain retractor |
| WO2017084328A1 (en) * | 2015-11-16 | 2017-05-26 | 深圳市擎源医疗器械有限公司 | Brain retraction device and surgical retraction device |
| CN108472148A (en) * | 2015-12-30 | 2018-08-31 | 纽哈特股份公司 | Through catheter insertion system |
| CN105943096A (en) * | 2016-06-02 | 2016-09-21 | 南方医科大学南方医院 | Surgical tool used for neuroendoscopy and provided with conformal pleuripotent simulation fingers |
| CN108392717A (en) * | 2018-04-27 | 2018-08-14 | 武汉佑康科技有限公司 | A kind of visual puncturing movement balloon-system |
| CN108542439A (en) * | 2018-05-14 | 2018-09-18 | 浙江大学医学院附属第医院 | Dilator and surgical instrument |
| CN108852459B (en) * | 2018-07-25 | 2024-01-30 | 深圳市远为医疗技术有限公司 | Shapeable multifunctional craniocerebral artificial device |
| CN108852459A (en) * | 2018-07-25 | 2018-11-23 | 深圳市远为医疗技术有限公司 | A kind of multi-functional cranium brain of shaping makes logical device |
| CN108992768A (en) * | 2018-08-29 | 2018-12-14 | 郑州大学第附属医院 | A kind of brain surgery expander and the brain Path Setup method using the expander |
| CN108992768B (en) * | 2018-08-29 | 2024-05-31 | 郑州大学第一附属医院 | Brain operation dilator and brain channel establishment method using same |
| CN108814664A (en) * | 2018-09-07 | 2018-11-16 | 中国人民解放军陆军军医大学第附属医院 | A kind of cranium brain deep operation clear tubular retractor |
| CN108814664B (en) * | 2018-09-07 | 2020-09-22 | 中国人民解放军陆军军医大学第一附属医院 | Transparent tubular retractor for craniocerebral deep operation |
| CN111110333A (en) * | 2020-02-19 | 2020-05-08 | 上海英诺伟医疗器械有限公司 | Percutaneous nephropuncture dilation kit, method of use thereof, and surgical assembly |
| CN111369858A (en) * | 2020-03-03 | 2020-07-03 | 恩微通科技(深圳)有限公司 | Method for simulating retraction of brain tissue |
| CN111493947A (en) * | 2020-04-27 | 2020-08-07 | 厦门理工学院 | Craniocerebral operation creating and communicating device and equipment |
| WO2021227680A1 (en) * | 2020-05-12 | 2021-11-18 | 重庆锦元熙医疗科技有限公司 | Craniocerebral operation channel |
| CN113974723A (en) * | 2021-11-24 | 2022-01-28 | 河南印何阗生物科技有限公司 | Visual deep brain operation puncture drainage retraction guide catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20151230 |
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| EXPY | Termination of patent right or utility model |