CN101999924A - Expanding structure of adjustable high-pressure expanding ball - Google Patents
Expanding structure of adjustable high-pressure expanding ball Download PDFInfo
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- CN101999924A CN101999924A CN 201010559537 CN201010559537A CN101999924A CN 101999924 A CN101999924 A CN 101999924A CN 201010559537 CN201010559537 CN 201010559537 CN 201010559537 A CN201010559537 A CN 201010559537A CN 101999924 A CN101999924 A CN 101999924A
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- expandable
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- outer catheter
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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 fractured vertebral body.
Background technology
Vertebral fracture can cause continuing the dysfunction pain of several months, this pain can make patient disability and motor capacity, can promptly cause fatal complication such as the formation of forfeiture, pulmonary atelectasis and pneumonia, deep venous thrombosis of limb function and pulmonary infarction, in addition, compression fracture of vertabral body also was the reason that independent living ability could not be 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 fractured vertebral body under C arm power traction is led, and injects fixedly vertebral body of bone cement by puncture needle in vertebral body then.But, the percutaneous vertebroplasty also has certain shortcoming and defect, that is, and on the one hand, injecting bone cement by puncture needle causes bone cement to leak easily, cause multiple complications, on the other hand, this technology can only partly ease the pain, 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 as 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 described, and can be from collapsed mode expansion becoming swelling state, so that compacting cancellous is to form a cavity in interior space, this system also comprises: one second lead sheath, first and second lead sheaths are suitable for providing the independent and isolated passage that enters 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 described, 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 entering bone is provided, has used lead sheath, makes the patient bear some unnecessary miseries, needs to 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, in flexible, outer catheter, the rubber-like that is placed in the inner catheter supports 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, by balloon-expandable controlled the expansion of realization to patient vertebral body compressibility lesion.Show through the reality 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 cause 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, the effect that resets can not be played effectively, the failure of operation might be caused.
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
Purpose of the present 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 achieving the above object, 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 described balloon-expandable opening part, be placed through the wire guide in the described outer catheter, and Y type link, the far-end of described wire guide passes the balloon-expandable inner chamber and the balloon-expandable far-end is affixed, described 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 described Y type link is provided with external screw thread, terminal fixedly connected one of described wire guide is adjusted nut, described adjustment nut is connected with the straight type arm of described Y type link by helicitic texture, forms screw thread and advances and contraction structure; Simultaneously, on the straight type arm of described Y type link, be provided with the lock nut that is used to lock described adjustment nut location.
The expansion structure of above-mentioned scalable expanding saccule by high pressure, described 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 by 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
By 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
The present invention is further detailed explanation below in conjunction with accompanying drawing.
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, the end of the straight type arm of Y type link 2 is an external thread structure, second terminal fixedly connected one of wire guide 1 is adjusted nut 3, this adjustment nut 3 is connected with the straight type arm of Y type link 2 by helicitic texture, and the helicitic texture place of Y type link 2 straight type arms is provided with and is used to lock the lock nut 4 of adjusting 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 enter in the body.Operator's hands starts the air extractor piston air in the balloon-expandable 6 is taken out, so that enter the working region by service aisle smoothly with the port of second branched pipe of syringe one class air extractor connection Y type link 2.Entering vertebral body inside, hand-held Y type link 2 is sent into service aisle gently, makes whole balloon-expandable 6 be in operative site scope inside.Port by 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 fractured vertebral body 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, fractured vertebral body 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 by the service aisle withdrawing device, after device is extracted out, has stayed the cavity of a shaping in vertebral body, 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 on to be adjusted in the 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 that with adjust nut 3 by the position that is threaded and nut 3 is adjusted in control according to the operation needs, simultaneously, 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 as can be seen 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 further describing that the present invention did in conjunction with concrete embodiment; 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 improvement or distortion drop 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 purpose of the present invention, are not to be used to limit the present invention.Protection scope of the present invention is limited by 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 described exapnsion sacculus (6) opening part, be placed through the wire guide (1) in the described outer catheter, and Y type link (2), the far-end of described wire guide (1) passes balloon-expandable (6) inner chamber and balloon-expandable (6) far-end is affixed, described 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 described Y type link (2) is provided with external screw thread, terminal fixedly connected one of described wire guide (1) is adjusted nut (3), described adjustment nut (3) is connected with the straight type arm of described Y type link (2) by helicitic texture, forms screw thread and advances and contraction structure; Simultaneously, on the straight type arm of described Y type link (2), be provided with the lock nut (4) that is used to lock described adjustment nut (3) position.
2. according to the expansion structure of the described a kind of scalable expanding saccule by high pressure of claim (1), it is characterized in that described 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 true CN101999924A (en) | 2011-04-06 |
| CN101999924B 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) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974027A (en) * | 2012-12-20 | 2013-03-20 | 范勤 | Bone expanding device |
| CN103055411A (en) * | 2013-01-25 | 2013-04-24 | 业聚医疗器械(深圳)有限公司 | Balloon catheter and manufacturing method thereof |
| CN105228538A (en) * | 2013-03-14 | 2016-01-06 | 波士顿科学国际有限公司 | Conduit is entered again under there is the inner membrance of 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 |
| CN113679398A (en) * | 2020-05-14 | 2021-11-23 | 上海悦灵医疗科技有限公司 | Trigeminal semilunar junction compression device |
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| CN2078603U (en) * | 1990-12-03 | 1991-06-12 | 胡水清 | Flexible double-ball-bag dilitating stone-sucker |
| US20060184192A1 (en) * | 2005-02-11 | 2006-08-17 | Markworth Aaron D | Systems and methods for providing cavities in interior body regions |
| 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 |
| US20080051820A1 (en) * | 2006-08-25 | 2008-02-28 | Gorman Gong | Apparatus and methods for use of expandable members in surgical applications |
| 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 |
-
2010
- 2010-11-26 CN CN2010105595373A patent/CN101999924B/en active Active
Patent Citations (6)
| 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 |
| US20060184192A1 (en) * | 2005-02-11 | 2006-08-17 | Markworth Aaron D | Systems and methods for providing cavities in interior body regions |
| 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 |
| US20080051820A1 (en) * | 2006-08-25 | 2008-02-28 | Gorman Gong | Apparatus and methods for use of expandable members in surgical applications |
| 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 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974027A (en) * | 2012-12-20 | 2013-03-20 | 范勤 | Bone expanding device |
| CN102974027B (en) * | 2012-12-20 | 2014-12-17 | 范勤 | Bone expanding device |
| CN103055411A (en) * | 2013-01-25 | 2013-04-24 | 业聚医疗器械(深圳)有限公司 | Balloon catheter and manufacturing method thereof |
| 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 |
| CN105228538A (en) * | 2013-03-14 | 2016-01-06 | 波士顿科学国际有限公司 | Conduit is entered again under there is the inner membrance of 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 |
| CN113679398A (en) * | 2020-05-14 | 2021-11-23 | 上海悦灵医疗科技有限公司 | Trigeminal semilunar junction compression device |
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| CN101999924B (en) | 2012-04-11 |
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