CN101999924B - Expanding structure of adjustable high-pressure expanding ball - Google Patents
Expanding structure of adjustable high-pressure expanding ball Download PDFInfo
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- CN101999924B CN101999924B CN2010105595373A CN201010559537A CN101999924B CN 101999924 B CN101999924 B CN 101999924B CN 2010105595373 A CN2010105595373 A CN 2010105595373A CN 201010559537 A CN201010559537 A CN 201010559537A CN 101999924 B CN101999924 B CN 101999924B
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Abstract
The invention discloses an expanding structure of an adjustable high-pressure expanding ball, which comprises an expandable ball, an outer conduit hermetically connected to the opening of the expandable ball, a metal conducting wire penetrating through the outer conduit, and a Y-shaped connecting part, wherein the far end of the metal conducting wire is fixedly connected with the far end of the expandable ball by passing through the cavity of the expandable ball, and the Y-shaped connecting part is arranged on the inlet of the outer conduit. The invention is characterized in that an adjusting nut is fixedly connected to the tail end of the metal conducting wire, and is connected with a straight branch pipe of the Y-shaped connecting part through a screw thread structure to form a screw thread propulsion and shrinkage structure; and a locking nut is arranged on the straight branch pipe of the Y-shaped connecting part to lock the position of the adjusting nut. The expanding structure of an adjustable high-pressure expanding ball controls longitudinal expansion length of the expandable ball by the adjusting nut fixed one the tail end of the metal conducting wire, thereby avoiding the phenomenon that axial expansion occurs before lateral expansion during expansion of balls and increasing efficacy of operations.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly a kind of expansion structure of scalable expanding saccule by high pressure imports the preceding pretreatment of medium when being used for the treatment of patients with osteoporosis anterior vertebral.
Background technology
Vertebral fracture can cause continuing the dysfunction property pain of several months; This pain can make patient disability and motor capacity; Can promptly cause the fatal complication such as formation and pulmonary infarction of forfeiture, pulmonary atelectasis and pneumonia, the DVT of limb function; In addition, compression fracture of vertabral body also was the reason that independent living ability could not taken care of oneself and lose to a lot of life of elderly person in the past.Use a large amount of Drug therapys, usually cause poisonous side effect of medicine and drug dependence, the patient scarcely accepts maybe can not tolerate surgical operation therapy.
Normal at present employing percutaneous vertebroplasty is treated vertebral compression fracture, and it is that pedicle is punctured to anterior vertebral under C arm power traction is led, and in vertebral body, injects fixedly vertebral body of bone cement through puncture needle then.But the percutaneous vertebroplasty also has certain shortcoming and defect, promptly; On the one hand, inject bone cement through puncture needle and cause bone cement to leak easily, cause multiple complications; On the other hand, this technology can only partly ease the pain, and can not recover vertebral height; Simultaneously, when injecting bone cement, need bigger pressure, easily the patient is caused other injury.
For addressing the above problem; There is the inventor to propose a kind of spatial apparatus of formation before bone cement is being injected in the affected part that is used for; Disclose a kind of system with expandable bodies treatment fracture or sick bone like Chinese invention patent ublic specification of application No. 1557257 (on December 29th, open day), this system comprises: one first lead sheath; One first expandable bodies; This expandable bodies has the state that subsides; Be used for space in the insertion of first lead sheath is said, and can become swelling state, so that compacting cancellous is to form a cavity in interior space from the collapsed mode expansion; This system also comprises: one second lead sheath, first and second lead sheaths are suitable for providing the independent and isolated passage that gets into bone; One second expandable bodies, this expandable bodies has the state that subsides, and is used for space in the insertion of second lead sheath is said, and can become swelling state from the collapsed mode expansion, so that compacting cancellous is to form a cavity in interior space; And wherein first expandable bodies and second expandable bodies are suitable for forming the cavity with ideal form and size when their swelling state.The shortcoming of this device is, for the independent and isolated passage that is suitable for getting into bone is provided, has used lead sheath, makes the patient bear some unnecessary miseries, need use two expanders just can make cavity reach desired shapes and size simultaneously.
The applicant has also proposed name on May 12nd, 2006 to State Intellectual Property Office and has been called " vertebral body expansion of balloon catheter (ZL200620041715.2) "; Adopt a balloon-expandable, flexible inside and outside conduit, the rubber-like that is placed in the inner catheter to support seal wire and a branch type link; By a branch of branch type parts about the gap of outer catheter between inner catheter be located at outer catheter balloon-expandable terminal and the inner catheter afterbody and constitute a closed channel, through balloon-expandable controlled the expansion of realization to patient vertebral body compressibility lesions.Show through actual the use: the technique scheme that the applicant proposes; Though can play corresponding effect; But the balloon structure in the original design scheme is because balloon expandable its direction of advancing when expanding is coaxial in inside and outside conduit, thereby very easily causes the phenomenon of the axial expansion of sacculus prior to lateral magnification, this with general patient treatment in the needs in affected part not too conform to; Over-drastic vertical expansion; Lateral magnification is reduced, can not play the effect that resets effectively, might cause the failure of operation.
Therefore, how existing product is carried out necessary improvement, the vertebral body that more adapts to patient demand dilating catheter is provided, just become the problem that the goods producer need solve.
Summary of the invention
The object of the invention: aim to provide a kind of vertebral body expansion of balloon catheter that can in fracture is subsided vertebral body, form desirable cavity, both reached Rapid Expansion and propped fracture and subside, simultaneously can alleviate the patient suffering again.
For realizing above-mentioned purpose; The invention provides a kind of expansion structure of scalable expanding saccule by high pressure; Comprise balloon-expandable, the outer catheter that is tightly connected with said balloon-expandable opening part, be placed through the wire guide in the said outer catheter, and Y type link; The far-end of said wire guide passes the balloon-expandable inner chamber and the balloon-expandable far-end is affixed; Said Y type link is arranged on the porch of outer catheter, it is characterized in that: the arrival end of the straight type arm of said Y type link is provided with external screw thread, and the end of said wire guide is fixedly connected an adjustment nut; Said adjustment nut is connected with the straight type arm of said Y type link through helicitic texture, forms screw thread and advances and contraction structure; Simultaneously, on the straight type arm of said Y type link, be provided with the lock nut that is used to lock said adjustment nut location.
The expansion structure of above-mentioned scalable expanding saccule by high pressure, said outer catheter are metal material or are plastic material.
The expansion structure of this scalable expanding saccule by high pressure that proposes according to above technical scheme; Control the longitudinal extension length of balloon-expandable through the adjustment nut that is fixed on an end of wire guide; Axial expansion has improved the effectiveness of operation prior to the phenomenon of lateral magnification when having avoided balloon expandable to expand.
Description of drawings
Through the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the present invention will become apparent and understand easily.
Fig. 1 is a basic structure sketch map of the present invention;
Fig. 2 is the cutaway view of expansion structure A shown in Figure 1-A section;
Fig. 3 is an outer catheter end thread structure cutaway view of the present invention;
Fig. 4 is the balloon-expandable cutaway view that has connected wire guide and outer catheter.
Among the figure:
The 1-wire guide, 2-Y type link, 3-adjusts nut, 4-lock nut, 5-outer catheter, 6-balloon-expandable.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed explanation.
As depicted in figs. 1 and 2; The expansion structure of scalable expanding saccule by high pressure of the present invention comprises balloon-expandable 6; The outer catheter 5 that is tightly connected with balloon-expandable 6 opening parts, be placed through the wire guide 1 in the outer catheter 5; And Y type link 2; The far-end of wire guide 1 passes the balloon-expandable inner chamber and is fixedly connected in balloon-expandable 6 far-ends, and the end of the straight type arm of Y type link 2 is an external thread structure, the second terminal adjustment nut 3 that is fixedly connected of wire guide 1; This adjustment nut 3 is connected with the straight type arm of Y type link 2 through helicitic texture, and the helicitic texture place of Y type link 2 straight type arms is provided with the lock nut 4 that is used to lock adjustment nut 3 positions.The outer catheter 5 of this expansion structure can adopt metal material, also can adopt plastic material.
During use, adopt the method for pedicle to get in the body.Operator's hands starts the air extractor piston and takes out balloon-expandable 6 air, so that get into the working region through service aisle smoothly with the port of second branched pipe of one type of air extractor connection of syringe Y type link 2.Vertebral body is inner getting into, and hand-held Y type link 2 is sent into service aisle gently, and it is inner to make whole balloon-expandable 6 be in the operative site scope.Port through Y type link 2 slowly injects contrast agent with the pressure apparatus that has graduation apparatus in balloon-expandable 6, treat that balloon-expandable 6 is slowly expansion-molded, props up anterior vertebral gradually.Because the present invention utilizes helicitic texture that wire guide 1 is fixing; And wire guide 1 is fixed the longitudinal extension length of balloon-expandable 6; So 6 meetings of balloon-expandable are expanded on the direction perpendicular to wire guide 1, axial expansion is prior to the phenomenon of lateral magnification when having avoided balloon expandable to expand.When treating that this expansion reaches ideal height, anterior vertebral is propped up synchronously.Then the reuse pressure apparatus contrast agent in the balloon-expandable 6 of finding time makes balloon-expandable 6 be in the state of tightening, and through the service aisle withdrawing device, after device is extracted out, in vertebral body, has stayed the cavity of a shaping, is convenient to carry out next step locating therapy program.
In outer catheter end thread structure cutaway view shown in Figure 3; An end of wire guide 1 is fixedly connected in the adjustment nut; And wire guide 1 runs through the branched pipe and the outer catheter of Y type link 2; The straight type branched pipe end of this Y type link 2 is provided with external thread structure, so as with adjustment nut 3 through being threaded and adjusting the position of nut 3, simultaneously according to operation needs control; Utilize lock nut 4 lockings between straight type branched pipe and the adjustment nut 3, guarantee that each component locations is fixed in the operation process.
Cut open in 6 views and can find out at the balloon-expandable that has connected wire guide 1 and outer catheter 5 shown in Figure 4, wire guide 1 is connected with the end of balloon-expandable 6, and wire guide is placed through in the outer catheter 5.
It should be noted that; Above content is to combine concrete embodiment to further explain that the present invention did; Can not assert that the specific embodiment of the present invention only limits to this; Under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improve or distortion drops in protection scope of the present invention.It will be understood by those skilled in the art that top specific descriptions just in order to explain the object of the invention, are not to be used to limit the present invention.Protection scope of the present invention is limited claim and equivalent thereof.
Claims (2)
1. the expansion structure of a scalable expanding saccule by high pressure; Comprise balloon-expandable (6); But the outer catheter (5) that is tightly connected with said exapnsion sacculus (6) opening part, be placed through the wire guide (1) in the said outer catheter; And Y type link (2), the far-end of said wire guide (1) passes balloon-expandable (6) inner chamber and balloon-expandable (6) far-end is affixed, and said Y type link (2) is arranged on the porch of outer catheter (5); It is characterized in that: the arrival end of the straight type arm of said Y type link (2) is provided with external screw thread; The end of said wire guide (1) is fixedly connected an adjustment nut (3), and said adjustment nut (3) is connected with the straight type arm of said Y type link (2) through helicitic texture, forms screw thread and advances and contraction structure; Simultaneously, on the straight type arm of said Y type link (2), be provided with the lock nut (4) that is used to lock said adjustment nut (3) position.
2. the expansion structure of a kind of scalable expanding saccule by high pressure according to claim 1 is characterized in that, said outer catheter is metal material or is plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105595373A CN101999924B (en) | 2010-11-26 | 2010-11-26 | Expanding structure of adjustable high-pressure expanding ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105595373A CN101999924B (en) | 2010-11-26 | 2010-11-26 | Expanding structure of adjustable high-pressure expanding ball |
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| Publication Number | Publication Date |
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| CN101999924A CN101999924A (en) | 2011-04-06 |
| CN101999924B true CN101999924B (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105595373A Active CN101999924B (en) | 2010-11-26 | 2010-11-26 | Expanding structure of adjustable high-pressure expanding ball |
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| CN (1) | CN101999924B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974027B (en) * | 2012-12-20 | 2014-12-17 | 范勤 | Bone expanding device |
| CN103055411B (en) * | 2013-01-25 | 2014-03-12 | 业聚医疗器械(深圳)有限公司 | Balloon catheter and manufacturing method thereof |
| CN105228538B (en) * | 2013-03-14 | 2018-04-24 | 波士顿科学国际有限公司 | Reentry catheter under inner membrance with controlled shape sacculus |
| CN107198572A (en) * | 2016-03-15 | 2017-09-26 | 深圳市擎源医疗器械有限公司 | Trigeminal Semilunar Ganglion compressorium |
| CN107198573A (en) * | 2016-03-15 | 2017-09-26 | 深圳市擎源医疗器械有限公司 | Trigeminal Semilunar Ganglion compressorium |
| CN109381782A (en) * | 2017-08-02 | 2019-02-26 | 杭州唯强医疗科技有限公司 | Sacculus dilating catheter |
| CN113679398B (en) * | 2020-05-14 | 2023-04-11 | 上海悦灵医疗科技有限公司 | Trigeminal semilunar junction compression device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078603U (en) * | 1990-12-03 | 1991-06-12 | 胡水清 | Flexible double-ball-bag dilitating stone-sucker |
| CN2905092Y (en) * | 2006-05-12 | 2007-05-30 | 上海凯利泰医疗科技有限公司 | Balloon catheter for expanding vertebra |
| CN201410213Y (en) * | 2009-06-08 | 2010-02-24 | 刘文修 | Cardiovascular saccule dilating catheter |
| CN201862128U (en) * | 2010-11-26 | 2011-06-15 | 上海凯利泰医疗科技股份有限公司 | Expansion structure capable of adjusting high-pressure expansion saccule |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060184192A1 (en) * | 2005-02-11 | 2006-08-17 | Markworth Aaron D | Systems and methods for providing cavities in interior body regions |
| US20080051707A1 (en) * | 2006-08-25 | 2008-02-28 | Phan Christopher U | Apparatus and methods for use of expandable members in surgical applications |
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2010
- 2010-11-26 CN CN2010105595373A patent/CN101999924B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078603U (en) * | 1990-12-03 | 1991-06-12 | 胡水清 | Flexible double-ball-bag dilitating stone-sucker |
| CN2905092Y (en) * | 2006-05-12 | 2007-05-30 | 上海凯利泰医疗科技有限公司 | Balloon catheter for expanding vertebra |
| CN201410213Y (en) * | 2009-06-08 | 2010-02-24 | 刘文修 | Cardiovascular saccule dilating catheter |
| CN201862128U (en) * | 2010-11-26 | 2011-06-15 | 上海凯利泰医疗科技股份有限公司 | Expansion structure capable of adjusting high-pressure expansion saccule |
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| CN101999924A (en) | 2011-04-06 |
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