CN104984458A - Medical operation sheath and use method of same - Google Patents
Medical operation sheath and use method of same Download PDFInfo
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- CN104984458A CN104984458A CN201510431639.XA CN201510431639A CN104984458A CN 104984458 A CN104984458 A CN 104984458A CN 201510431639 A CN201510431639 A CN 201510431639A CN 104984458 A CN104984458 A CN 104984458A
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- neck
- swan
- main body
- bending joint
- operation sheath
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Abstract
The embodiment of the invention discloses a medical operation sheath comprising a main body. The main body is provided with a bend pipe; the bend pipe is provided with a plurality of bend joints; the bend joints are arranged in the middle of the main body; adjacent bend joints are connected with each other; the bend joints on two ends of the bend pipe are respectively connected with the main body. The bend joints can deform, so the outer wall of one side of each bend joint stretches and deforms due to external pressure on the bend pipe and the outer wall of the other side produces compression deformation, and the bend pipe can bend; the bend joints are mutually connected with each other and affect each other, so much internal elasticity can be counteracted and rebounding can be prevented; and the bend pipe can bend to meet a human body pipeline with small or little contact pressure, so operation can be facilitated.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of medical operation sheath of medical body cavity pipeline inserter.
Background technology
As tumor resection, calculus process etc. in the operation of peritoneoscope lower urinary tract system, often to need in art or postoperative, in ureter or renal pelvis, do therapeutic endoscopy or placement ureter rack tube.Therapeutic endoscopy or placement ureter bracket, need to place operation sheath before operation as operating walk way.
In prior art, operation sheath body mostly be plastic tube body, as tube for transfusion etc., the pipeline camber in human body more greatly or more complicated time, operation sheath body be difficult to enter; And the body of operation sheath is after entering the pipeline in human body, because this body itself has elasticity, easy generation resilience to return its initial body form, thus makes body cause larger pressure to human body interior conduit, not only can increase the misery of patient, and, when comparatively serious, the body of operation sheath is easy to cause damage to human body interior conduit, and then with problems such as human body interior conduit are hemorrhage, make to perform the operation, and then delay the physical rehabilitation of patient.
Therefore how making operation sheath more flexible and not resilience, is the technical problem needing solution at present badly.
Summary of the invention
A kind of medical operation sheath is provided, to solve the problem of operation sheath bendability of the prior art difference and easy resilience in the embodiment of the present invention.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
The embodiment of the invention discloses a kind of medical operation sheath, comprise main body, wherein:
Described main body is provided with swan-neck;
Described swan-neck comprises multiple bending joint;
Described bending joint is positioned at the middle part of described main body, and adjacent described bending joint is interconnected, and the described bending joint at described swan-neck two ends is connected with described main body.
Preferably, described bending joint is the bird-caging hollow cavity of both ends open.
Preferably, described main body comprises multiple described swan-neck, and multiple described swan-neck is spaced from each other.
Preferably, the inner and outer wall of described swan-neck is equipped with elastica, and described elastica is wrapped in the inner and outer wall of described swan-neck.
Preferably, described elastica is transparent membrane, and described swan-neck is transparent tube, and described main body is transparent tube body.
Preferably, described bending joint is the bending joint of medical polyvinyl.
Preferably, described main body is medical PVC pipe.
Preferably, the intracavity diameter of described main body is 6-8Fr (French, 1French are 0.33mm).
Preferably, the front opening of described main body is tapered opening.
The using method of medical operation sheath provided by the invention is as follows:
Choose above-mentioned arbitrary described medical operation sheath;
Described medical operation sheath is slowly inserted in body cavity, to make described medical operation sheath as operation path;
After operation, slowly exit described medical operation sheath.
From above technical scheme, the medical operation sheath of the one that the embodiment of the present invention provides, comprises main body.Wherein, described main body is provided with swan-neck; Described swan-neck comprises multiple bending joint, and described bending joint is positioned at the middle part of described main body, and is interconnected between described bending joint, and the described bending joint at described swan-neck two ends is connected with described main body.The tube wall of single described bending joint can carry out deformation, and multiple described bending joint connects under external force, makes the tube wall of both sides stretch accordingly or tighten deformation, thus makes easier the completing of described swan-neck curve action; And after deformation occurs described bending joint, the interphase interaction of multiple described bending joint, thus offset most deformation elastic force, when operating sheath and inserting human pipeline, only need the very little or almost nil contact pressure of human pipeline, swan-neck just can be made to bend and agree with mutually with the pipeline form in human body, preventing resilience, enforcement of conveniently performing the operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The one medical operation sheath structural representation that Fig. 1 provides for the embodiment of the present invention;
Structural representation under a kind of medical operation sheath case of bending that Fig. 2 provides for the embodiment of the present invention;
The curved sections of pipe separation structure schematic diagram of a kind of medical operation sheath that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the medical operation sheath of another kind that Fig. 4 provides for the embodiment of the present invention;
Fig. 1-4, symbol is expressed as:
1-main body, 2-first swan-neck, 3-first elastica, 4-second swan-neck, 5-second elastica, the bending joint of 20-first, the bending joint of 21-second, the bending joint of 22-the 3rd, the bending joint of 23-the 4th, the bending joint of 24-the 5th.
Detailed description of the invention
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
See Fig. 1, be the structural representation of a kind of medical operation sheath that the embodiment of the present invention provides, comprise main body 1, first swan-neck 2 and the first elastica 3; Wherein, described main body 1 is hollow cavity, and medical apparatus and instruments passes from described main body 1; The hollow pipeline that described first swan-neck 2 is formed in one, as shown in Figure 3, comprises the bending joint 21 of the first bending joint 20, second, the 3rd bending joint 22, the 4th bending joint 23 and the 5th bending joint 24; Described first bending joint 20, the described second bending joint 21, the described 3rd bending joint 22, the described 4th bending joint 23 and the described 5th bending joint 24, be the hollow cavity of both ends open, and tube wall swells in bird-caging outside pipe, tube wall has elasticity, can carry out Tension and Compression; Above-mentioned bending joint is positioned at the middle part of described main body 1, the head of the described first bending joint 20 and described main body 1, the afterbody of the described first bending joint 20 and the head of the described second bending joint 21, the afterbody of the described second bending joint 21 and the head of the described 3rd bending joint 22, the afterbody of the described 3rd bending joint 22 and the head of the described 4th bending joint 23, the afterbody of the described 4th bending joint 23 and the head of the described 5th bending joint 24, the afterbody of the described 5th bending joint 24 and described main body 1, be all connected.Described first swan-neck 2 can comprise any number of bending joint, preferably can comprise 2-10 bending joint.The inner and outer wall of described first swan-neck 2 is all enclosed with described first elastica 3.
As shown in Figure 2, for the structural representation under a kind of medical operation sheath case of bending that the embodiment of the present invention provides, in use procedure, under the effect of human body interior conduit contact pressure, the side tube wall generation tensile deformation of the described first bending joint 20, the described second bending joint 21, the described 3rd bending joint 22, the described 4th bending joint 23 and the described 5th bending joint 24, opposite side tube wall generation compressive deformation, thus described first swan-neck 2 can be curved; And after generation deformation, the interaction force of adjacent bending joint and the back stretch of tube wall self offset, avoid generation resilience, thus make the first swan-neck 2 under very little or almost nil contact pressure, agree with the pipeline form in human body.
In addition, in the medical operation sheath of one that the embodiment of the present invention provides, in described first elastica 3, described first swan-neck 2 described first bending joint 20, the described second bending joint 21, the described 3rd bending joint 22, the described 4th bending joint 23, the described 5th bending joint 24 and described main body 1, all make with transparent material, in operation process, facilitate the situation in doctor's observing tube.Preferably, described main body 1 is medical PVC pipe, ensures that main body 1 can bear the pressure of human body interior conduit.Described first bending joint 20, the described second bending joint 21, the described 3rd bending joint 22, the described 4th bending joint 23 and the described 5th bending joint 24 use transparent medical polyvinyl material.Described first elastica 3 is transparent membrane, as medical transparent rubber film, have good ductility, and wall is smooth, thus prevents the scuffing of described first swan-neck 2 pairs of human body interior conduits and described first swan-neck 2 to the wearing and tearing of the medical apparatus and instruments passed in pipe.The intracavity diameter of described main body 1 can be 6-8Fr, certainly this medical operation sheath can according to different surgery locations as urinary tract or liver interior conduit, select the diameter of different described main bodys 1, but not be defined in above-mentioned diameter range, thus described medical operation sheath is made to have wider range of application.The front opening of described medical operation sheath can be round and smooth tapered opening, to reduce the resistance that medical operation sheath enters human body interior conduit and the scuffing avoiding human pipeline's inwall.
Certainly, in the medical operation sheath of one that the embodiment of the present invention provides, above-mentioned pipe material is that preferably pipe material is not limited to above-mentioned restriction, other materials can be selected as poly-third ethylene, and pipe material also need not be transparent material.In addition, bending joint also can be the hollow cavity of wall to pipe sunken inside, but as long as utilize interconnective and tube wall the structure of deformation can realize curving function, all should belong to protection scope of the present invention.
The structural representation of the medical operation sheath of another kind that Fig. 4 provides for the embodiment of the present invention, this medical operation sheath comprises main body 1, first swan-neck 2, first elastica 3, second swan-neck 4 and the second elastica 5.Wherein, described first swan-neck 2 and described second swan-neck 4 include 5 bending joints; Be interconnected between the bending joint of described first swan-neck 2, and two of described first swan-neck 2 two ends bending joints are connected with described main body 1 respectively; Be interconnected between the bending joint of described second swan-neck 4, and two of described second swan-neck 4 two ends bending joints are connected with described main body 1 respectively; Described first swan-neck 2 and described second swan-neck 4 are separated mutually.Described first elastica 3 is wrapped in the inner and outer wall of described first swan-neck 2; described second elastica 5 is wrapped in the inner and outer wall of described second swan-neck 4; in order to prevent described first swan-neck 2 and described second swan-neck 4 from scratching human body interior conduit, and protect the medical apparatus and instruments passed from described first swan-neck 2 and described second swan-neck 4.Preferably, described main body 1 is medical transparent PVC pipe, described first elastica 3 and described second elastica 5 are medical transparent rubber film, the material of described first swan-neck 2 and described second swan-neck 4 is medical polyvinyl material, and described main body 1, described first elastica 3, described second elastica 5, described first swan-neck 2 and described second swan-neck 4 are all transparent, facilitate situation in observing tube.Preferably, the intracavity diameter of described main body 1 is 6-8Fr, and the front opening of described main body 1 is tapered opening.In embodiments of the present invention, described main body 1 can comprise any number of swan-neck, and is not limited to the number of swan-neck in the present embodiment; Swan-neck can comprise any number of bending joint, and the number of the bending joint in each swan-neck also need not be identical, and such as described first swan-neck 2 can comprise 3 bending joints, and described second swan-neck 4 can comprise 6 bending joints etc.Embodiment of the present invention part same as the previously described embodiments, referring to above-described embodiment, can not repeat them here.
The medical operation sheath that the another kind that the embodiment of the present invention provides medical operation sheath and above-described embodiment provide, its difference is to add described second swan-neck 4 and described second elastica 5.Described second swan-neck 4 can curve, and what increase further this medical operation sheath curves dimension, makes described medical operation sheath better agree with complicated pipeline in human body; Described second elastica 5 is wrapped in the inner and outer wall of described second swan-neck 4, itself has good ductility, and the medical apparatus and instruments can protected the inwall of human pipeline and pass in described second swan-neck 4.
A kind of concrete using method of medical operation sheath is as follows:
(1) by laparoscopic visualization body cavity, according to the pipeline configuration in body cavity and pipe diameter, corresponding described medical operation sheath is selected;
(2) front opening of described medical operation sheath is slowly inserted body cavity, slow propelling movement swan-neck and main body 1, swan-neck and main body 1 is made to enter body cavity, described swan-neck bends automatically according to the pipeline form in body cavity, to agree with pipeline in body cavity completely and not to the inner-walls of duct build-up of pressure in body cavity, thus form operation technique passage;
(3) after operation, slowly pull main body 1, the front opening of main body 1, swan-neck and described medical operation sheath is made slowly to exit body cavity, described medical operation sheath is exiting in process, described swan-neck bends automatically along with the pipeline form in body cavity, ensures that described medical operation sheath exits body cavity smoothly.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a medical operation sheath, is characterized in that, comprises main body (1), wherein:
Described main body (1) is provided with swan-neck;
Described swan-neck comprises multiple bending joint;
Described bending joint is positioned at the middle part of described main body (1), and adjacent described bending joint is interconnected, and the described bending joint at described swan-neck two ends is connected with described main body (1).
2. medical operation sheath according to claim 1, is characterized in that, described bending joint is the bird-caging hollow cavity of both ends open.
3. medical operation sheath according to claim 1, is characterized in that, described main body (1) comprises multiple described swan-neck, and multiple described swan-neck is spaced from each other.
4. the medical operation sheath according to claim 1 or 3, it is characterized in that, the inner and outer wall of described swan-neck is equipped with elastica, and described elastica is wrapped in the inner and outer wall of described swan-neck.
5. medical operation sheath according to claim 4, is characterized in that, described elastica is transparent membrane, and described swan-neck is transparent tube, and described main body (1) is transparent tube body.
6. medical operation sheath according to claim 1, is characterized in that, described bending joint is the bending joint of medical polyvinyl.
7. medical operation sheath according to claim 1, is characterized in that, described main body (1) is medical PVC pipe.
8. medical operation sheath according to claim 1, is characterized in that, the intracavity diameter of described main body (1) is 6-8Fr.
9. medical operation sheath according to claim 1, is characterized in that, the front opening of described main body (1) is tapered opening.
10. a using method for medical operation sheath, is characterized in that, comprising:
Choose as arbitrary in claim 1 to 9 as described in medical operation sheath;
Described medical operation sheath is slowly inserted in body cavity, to make described medical operation sheath as operation path;
After operation, slowly exit described medical operation sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431639.XA CN104984458A (en) | 2015-07-21 | 2015-07-21 | Medical operation sheath and use method of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510431639.XA CN104984458A (en) | 2015-07-21 | 2015-07-21 | Medical operation sheath and use method of same |
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| Publication Number | Publication Date |
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| CN104984458A true CN104984458A (en) | 2015-10-21 |
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| CN201510431639.XA Pending CN104984458A (en) | 2015-07-21 | 2015-07-21 | Medical operation sheath and use method of same |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050216018A1 (en) * | 2004-03-29 | 2005-09-29 | Sennett Andrew R | Orthopedic surgery access devices |
| US20070244550A1 (en) * | 2006-04-13 | 2007-10-18 | Tracee Eidenschink | Medical devices including shape memory materials |
| CN103446655A (en) * | 2013-09-04 | 2013-12-18 | 杭州启明医疗器械有限公司 | Deflectable sheathing canal and delivery system with deflectable sheathing canal |
| CN103491905A (en) * | 2011-02-25 | 2014-01-01 | 爱德华兹生命科学公司 | Prosthetic heart valve delivery apparatus |
| CN104353177A (en) * | 2014-11-10 | 2015-02-18 | 中国人民解放军第三军医大学第二附属医院 | Medical operation sheath |
| CN104353176A (en) * | 2014-11-10 | 2015-02-18 | 中国人民解放军第三军医大学第二附属医院 | Medical operation sheath |
| WO2015099935A1 (en) * | 2013-12-24 | 2015-07-02 | St. Jude Medical, Cardiology Division, Inc. | Deflectable catheter bodies with corrugated structures |
| CN204972631U (en) * | 2015-07-21 | 2016-01-20 | 中国人民解放军第三军医大学第二附属医院 | Medical operation sheath |
-
2015
- 2015-07-21 CN CN201510431639.XA patent/CN104984458A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050216018A1 (en) * | 2004-03-29 | 2005-09-29 | Sennett Andrew R | Orthopedic surgery access devices |
| US20070244550A1 (en) * | 2006-04-13 | 2007-10-18 | Tracee Eidenschink | Medical devices including shape memory materials |
| CN103491905A (en) * | 2011-02-25 | 2014-01-01 | 爱德华兹生命科学公司 | Prosthetic heart valve delivery apparatus |
| CN103446655A (en) * | 2013-09-04 | 2013-12-18 | 杭州启明医疗器械有限公司 | Deflectable sheathing canal and delivery system with deflectable sheathing canal |
| WO2015099935A1 (en) * | 2013-12-24 | 2015-07-02 | St. Jude Medical, Cardiology Division, Inc. | Deflectable catheter bodies with corrugated structures |
| CN104353177A (en) * | 2014-11-10 | 2015-02-18 | 中国人民解放军第三军医大学第二附属医院 | Medical operation sheath |
| CN104353176A (en) * | 2014-11-10 | 2015-02-18 | 中国人民解放军第三军医大学第二附属医院 | Medical operation sheath |
| CN204972631U (en) * | 2015-07-21 | 2016-01-20 | 中国人民解放军第三军医大学第二附属医院 | Medical operation sheath |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Application publication date: 20151021 |