CN201426912Y - High-voltage expansive balloon structure - Google Patents
High-voltage expansive balloon structure Download PDFInfo
- Publication number
- CN201426912Y CN201426912Y CN2009200737972U CN200920073797U CN201426912Y CN 201426912 Y CN201426912 Y CN 201426912Y CN 2009200737972 U CN2009200737972 U CN 2009200737972U CN 200920073797 U CN200920073797 U CN 200920073797U CN 201426912 Y CN201426912 Y CN 201426912Y
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- Prior art keywords
- balloon
- expandable
- outer catheter
- catheter
- expansive
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- Expired - Lifetime
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- 239000004033 plastic Substances 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 210000005077 saccule Anatomy 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008961 swelling Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000002639 bone cement Substances 0.000 description 5
- 230000000916 dilatatory effect Effects 0.000 description 5
- 239000002872 contrast media Substances 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010010214 Compression fracture Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 206010051055 Deep vein thrombosis Diseases 0.000 description 1
- 208000001132 Osteoporosis Diseases 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 208000007123 Pulmonary Atelectasis Diseases 0.000 description 1
- 208000006193 Pulmonary infarction Diseases 0.000 description 1
- 206010047249 Venous thrombosis Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 206010013663 drug dependence Diseases 0.000 description 1
- 238000002651 drug therapy Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
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- 230000007575 pulmonary infarction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 206010041569 spinal fracture Diseases 0.000 description 1
- 208000011117 substance-related disease Diseases 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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Abstract
The utility model relates to a high-voltage expansive balloon structure which comprises an expansive balloon (1), an outer conduit pipe (2), a hollow flexible inner conduit pipe (4) penetrating into the outer conduit pipe and a Y-shaped connecting part (6). A branch pipe (10) of the Y-shaped connecting part (6) forms a closed channel with the outer conduit pipe (2), the inner conduit pipe (4) andthe expansive balloon (1). The high-voltage expansive balloon structure is characterized in that a plurality of through holes (3) are formed on the outer conduit pipe (2) positioned in an expansive balloon area. Through forming the through holes (3) on the outer conduit pipe (2), the expansive balloon is firstly expanded along the direction vertical to the conduit pipes during the inflation and the expansion, so that an ideal expansive and compressed vertebral body is facilitated, the longitudinal swelling capacity of the vertebral body is simultaneously reduced, and the effective reset function is provided for operative procedure; and meanwhile, the position of the expansive balloon (1) can be judged through observing the positions of a sign and mark (9), so that the expansive balloon canfreely reach affected parts.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, and particularly a kind of catheter type high pressure vertebral body dilating sacculus imports the preceding pretreatment unit of medium when going 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, invention is arranged, and everybody proposes 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 utility application prospectus 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 inflation 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 inflation, 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 inflatable air bag 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 airbag structure in the original design scheme is because its direction of advancing during airbag aeration is coaxial in inside and outside conduit, thereby very easily cause the phenomenon of the axial expansion of air bag 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.
The utility model content
The purpose of this utility model: 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.
This catheter type high pressure vertebral body dilating sacculus comprises a balloon-expandable, also comprises outer catheter, is placed through flexible hollow inner catheter and Y type link in the outer catheter; Branched pipe of Y type link and outer catheter, inner catheter and balloon-expandable constitute a closed channel, and it is characterized in that: the one section outer catheter that is positioned at the balloon-expandable district is provided with several through holes.
Described outer catheter is a kind of metal material body.
Described outer catheter is a kind of plastic tube, and it is positioned on the body edge of one section outer catheter in balloon-expandable district a platinum ring set respectively is being set.
It is positioned at described inner catheter on the body edge of one section outer catheter in balloon-expandable district a platinum ring set respectively is being set.
This catheter type high pressure vertebral body dilating sacculus according to above technical scheme proposition, by several through holes that on outer catheter, are provided with, the expansion that is perpendicular to duct direction that at first realizes when making the balloon-expandable inflation, both vertebral body was very favourable by compression to desired expansion for this, simultaneously also can reduce its longitudinal dilatation amount, for operation process provides effective reset function; By observing the position that sign and mark position are inferred balloon-expandable, make balloon-expandable can arrive the affected part freely simultaneously.
Description of drawings
Fig. 1 is a basic structure sketch map of the present utility model;
Structural representation when Fig. 2 is this utility model employing metal outer catheter;
Structural representation (the platinum ring set is located at outer catheter) when Fig. 3 is this utility model employing plastics outer catheter;
Structural representation (the platinum ring set is located at inner catheter) when Fig. 4 is this utility model employing plastics outer catheter;
Fig. 5 is the view when balloon-expandable is inflated in this utility model;
Fig. 6 enters the view of vertebral body when not expanding for the utility model structure;
View when Fig. 7 enters the vertebral body expansion for the utility model structure;
Fig. 8 is utility model structural entity assembling sketch map.
Among the figure: the 8-fractured vertebral body 9-labelling 10-branched pipe 11-seal wire medicated cap 12-contrast agent of 1-balloon-expandable 2-outer catheter 3-through hole 4-inner catheter 5-platinum ring 6-Y type link 7-gap
The specific embodiment
Below in conjunction with accompanying drawing this utility model is described in further detail.
What accompanying drawing 1 provided is this catheter type high pressure vertebral body dilating sacculus that this utility model relates to, and comprises a balloon-expandable 1, also comprises outer catheter 2, is placed through flexible hollow inner catheter 4 and Y type link 6 in the outer catheter; A branched pipe 10 of Y type link 6 constitutes a closed channel with outer catheter 2, inner catheter 4 and balloon-expandable 1, and it is characterized in that: the one section outer catheter 2 that is positioned at the balloon-expandable district is provided with several through holes 3.
Technique scheme can be selected the difference of material and realizes with following several different versions according to outer catheter:
One, when selecting metal material to make outer catheter, the form of the concrete structure of this expanding saccule by high pressure for representing among Fig. 2.This moment, the two ends of balloon-expandable 1 were fixed on the metal outer catheter 2, and by being placed through a flexible hollow inner catheter 4 in the outer catheter 2 and a branched pipe 10 of Y type link 6, constitute one between outer catheter 2, inner catheter 4, and the gap 7 that connects with balloon-expandable 1.Several through holes 3 that are provided with on this gap 7 and the one section outer catheter 2 that is positioned at the balloon-expandable district are communicated with, form to expand or the unique closed channel during contraction.Make outer catheter owing to adopt metal material, therefore not only has certain rigid, can replace the metallic support seal wire that is arranged in the former ZL200620041715.2 patent in the inner catheter, and when utilizing shadowgraph technique to judge the inflatable air bag position, also comparable being easier to clear.
Its two, when selecting nonmetallic materials (as plastics) to make outer catheter, the form of the concrete structure of this expanding saccule by high pressure for representing among Fig. 3.This moment, the two ends of balloon-expandable 1 were fixed on the plastics matter outer catheter 2, and by being placed through a flexible hollow inner catheter 4 in the outer catheter 2 and a branched pipe 10 of Y type link 6, constitute one between outer catheter 2, inner catheter 4, and the gap 7 that connects with balloon-expandable 1.Several through holes 3 that are provided with on this gap 7 and the one section outer catheter 2 that is positioned at the balloon-expandable district are communicated with, form to expand or the unique closed channel during contraction.Utilize shadowgraph technique to judge the inflatable air bag position for reaching, therefore when adopting the plastic production outer catheter, must on the respective edges position of one section outer catheter 2 in the outer catheter 2 fixing expansible sacculus districts of plastics matter, two platinum rings 5 be set, only in this way could be when utilizing shadowgraph technique to judge the inflatable air bag position, also comparable being easier to clear.Certainly, also because of having certain rigid, the metallic support seal wire that is arranged in the former ZL200620041715.2 patent in the inner catheter can be replaced, also can wire guide needn't be used in use as the plastics matter outer catheter that adopts.
Its three, when selecting nonmetallic materials (as plastics) to make outer catheter, the concrete structure of this expanding saccule by high pressure also can adopt the form as representing among Fig. 4.This moment, the two ends of balloon-expandable 1 were fixed on the plastics matter outer catheter 2, and by being placed through a flexible hollow inner catheter 4 in the outer catheter 2 and a branched pipe 10 of Y type link 6, constitute one between outer catheter 2, inner catheter 4, and the gap 7 that connects with balloon-expandable 1.Several through holes 3 that are provided with on this gap 7 and the one section outer catheter 2 that is positioned at the balloon-expandable district are communicated with, form to expand or the unique closed channel during contraction.Utilize shadowgraph technique to judge the inflatable air bag position for reaching, must on inner catheter 4 edges of plastics matter (with corresponding position, balloon-expandable installation site) two platinum rings 5 be set, the position that these two platinum rings 5 are provided with should be corresponding with one section outer catheter 2 position fixing the balloon-expandable district.Only in this way could be when utilizing shadowgraph technique to judge the inflatable air bag position, also comparable being easier to clear.Certainly, also because of having certain rigid, the metallic support seal wire that is arranged in the former ZL200620041715.2 patent in the inner catheter can be replaced, also can wire guide needn't be used in use as the plastics matter outer catheter that adopts.
What Fig. 5 provided is that this utility model structure expands the state diagram when expanding.
Fig. 6 and Fig. 7 provide is to utilize this utility model to carry out state diagram before and after the fractured vertebral body intramedullary expansion, and wherein Fig. 6 represents when being to use, the state diagram when adopting the method for pedicle to enter in the body.Operator's hands connects the port of a branched pipe 10 of Y type link 6 with syringe one class air extractor, starting the air extractor piston takes out air in balloon-expandable 1 and the outer catheter 2, make balloon-expandable 1 become state as shown in Figure 6, so that enter the working region by service aisle smoothly.Entering vertebral body inside, hand-held Y type link 6, send into service aisle gently, observe the position that labelling 9 judgement conduits enter on the conduit, also can observe simultaneously and be arranged on outer catheter 2 or the inner catheter 4, be positioned at the position of radiation sign platinum ring 5 thoroughly, balloon-expandable 1 inside, guarantee two thoroughly radiation sign stretch out service aisle fully, whole balloon-expandable 1 is in operative site scope inside.Port by Y type link 6 slowly injects contrast agent 12 with the pressure apparatus that has graduation apparatus in balloon-expandable 1, treat that balloon-expandable 1 is slowly expansion-molded, props up fractured vertebral body 8 gradually.Because this utility model is to utilize the through hole 3 outside output contrast agent 12 that are provided with on the outer catheter 2, therefore can make with the balloon-expandable utricule of through hole 3 perpendicular directions and expand to fractured vertebral body portion, when treating that this expansion reaches ideal height, fractured vertebral body is propped up synchronously.Then the reuse pressure apparatus contrast agent 12 in the balloon-expandable 1 of finding time makes balloon-expandable 1 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.
This by at the new construction that is positioned on one section outer catheter 2 in balloon-expandable district several through holes 3 that are provided with, compare with existing congenerous ZL200620041715.2 patent, its biggest advantage is: make balloon-expandable at first to expanding by these through holes perpendicular to the direction of outer catheter, and balloon structure that can be as the ZL200620041715.2 patent shown in: very easily at first to axis direction expansion along outer catheter.The change of this at first expansion direction not only can with the human spine that sustains damage or compress directly, ideal resets, and can avoid because the longitudinal dilatation phenomenon in advance that adopts the balloon structure shown in the ZL200620041715.2 patent to cause, because the generation of this longitudinal dilatation can make and laterally dilate minimizing, reset response can not be played effectively, operative failure might be caused.The plastic tube that technical solutions of the utility model adopt the metal material of good rigidly or have certain rigidity intensity is taken on outer catheter, so can limit the sacculus that is fixed on the body actually along with by the stretching, extension of pressure pipe body, and cause sacculus to produce axial expansion along outer catheter.Just because of above-mentioned two innovative technologies of the technical program employing, so just make this utility model overcome the use defective of prior art.
Claims (4)
1, a kind of expanding saccule by high pressure structure comprises a balloon-expandable (1), also comprises outer catheter (2), is placed through flexible hollow inner catheter (4) and Y type link (6) in the outer catheter; A branched pipe (10) of Y type link (6) and outer catheter (2), inner catheter (4) and closed channel of balloon-expandable (1) formation is characterized in that: be provided with several through holes (3) being positioned on one section outer catheter (2) in balloon-expandable district.
2, a kind of expanding saccule by high pressure structure as claimed in claim 1 is characterized in that: it is positioned on the body edge of one section outer catheter in balloon-expandable district a platinum ring (5) respectively is being set.
3, a kind of expanding saccule by high pressure structure as claimed in claim 1 is characterized in that: it is positioned at described inner catheter (4) on the body edge of one section inner catheter in balloon-expandable district a platinum ring (5) respectively is being set.
4, a kind of expanding saccule by high pressure structure as claimed in claim 1 is characterized in that: described outer catheter (2) is a kind of metal material pipe or is plastic tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200737972U CN201426912Y (en) | 2009-04-17 | 2009-04-17 | High-voltage expansive balloon structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200737972U CN201426912Y (en) | 2009-04-17 | 2009-04-17 | High-voltage expansive balloon structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201426912Y true CN201426912Y (en) | 2010-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200737972U Expired - Lifetime CN201426912Y (en) | 2009-04-17 | 2009-04-17 | High-voltage expansive balloon structure |
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| CN (1) | CN201426912Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013096197A1 (en) * | 2011-12-22 | 2013-06-27 | Depuy Spine, Inc. | Length-adjustable vertebral body balloon |
| CN103284782A (en) * | 2012-11-27 | 2013-09-11 | 上海纳米技术及应用国家工程研究中心 | Degradable high polymer reticular balloon for vertebral fracture treatment and preparation method of balloon |
| CN104434296A (en) * | 2014-12-10 | 2015-03-25 | 江苏仁鸿医疗科技有限公司 | In-vivo lithotripter positioning device |
| CN106137486A (en) * | 2016-07-18 | 2016-11-23 | 江苏大学 | A kind of bifurcated sacculus |
| CN106214240A (en) * | 2016-08-02 | 2016-12-14 | 上海凯利泰医疗科技股份有限公司 | A kind of compression fracture of vertabral body is implanted and is filled prosthetic device |
| CN106361421A (en) * | 2016-08-30 | 2017-02-01 | 李志强 | Olecranal fracture fixator |
| CN107398004A (en) * | 2017-07-24 | 2017-11-28 | 湖南埃普特医疗器械有限公司 | One kind moves back pipe device |
| CN109192034A (en) * | 2018-10-26 | 2019-01-11 | 刘林 | A kind of controllable spinal cord injury model device and making and use method |
| CN116637277A (en) * | 2023-05-17 | 2023-08-25 | 为泰医疗器械(深圳)有限公司 | Valvular Shockwave Balloon Dilatation Catheter |
| CN116672583A (en) * | 2023-07-07 | 2023-09-01 | 为泰医疗器械(深圳)有限公司 | A New Cluster Shockwave Balloon Dilation Catheter |
| CN116672582A (en) * | 2023-07-07 | 2023-09-01 | 为泰医疗器械(深圳)有限公司 | Multiple balloon bundled shock wave balloon dilation catheter |
-
2009
- 2009-04-17 CN CN2009200737972U patent/CN201426912Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013096197A1 (en) * | 2011-12-22 | 2013-06-27 | Depuy Spine, Inc. | Length-adjustable vertebral body balloon |
| CN103284782A (en) * | 2012-11-27 | 2013-09-11 | 上海纳米技术及应用国家工程研究中心 | Degradable high polymer reticular balloon for vertebral fracture treatment and preparation method of balloon |
| CN104434296A (en) * | 2014-12-10 | 2015-03-25 | 江苏仁鸿医疗科技有限公司 | In-vivo lithotripter positioning device |
| CN106137486A (en) * | 2016-07-18 | 2016-11-23 | 江苏大学 | A kind of bifurcated sacculus |
| CN106214240A (en) * | 2016-08-02 | 2016-12-14 | 上海凯利泰医疗科技股份有限公司 | A kind of compression fracture of vertabral body is implanted and is filled prosthetic device |
| CN106361421A (en) * | 2016-08-30 | 2017-02-01 | 李志强 | Olecranal fracture fixator |
| CN107398004A (en) * | 2017-07-24 | 2017-11-28 | 湖南埃普特医疗器械有限公司 | One kind moves back pipe device |
| CN109192034A (en) * | 2018-10-26 | 2019-01-11 | 刘林 | A kind of controllable spinal cord injury model device and making and use method |
| CN116637277A (en) * | 2023-05-17 | 2023-08-25 | 为泰医疗器械(深圳)有限公司 | Valvular Shockwave Balloon Dilatation Catheter |
| CN116672583A (en) * | 2023-07-07 | 2023-09-01 | 为泰医疗器械(深圳)有限公司 | A New Cluster Shockwave Balloon Dilation Catheter |
| CN116672582A (en) * | 2023-07-07 | 2023-09-01 | 为泰医疗器械(深圳)有限公司 | Multiple balloon bundled shock wave balloon dilation catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201201 Shanghai City, Pudong New Area Zhangjiang hi tech Park East Qing ruilu No. 528 building 23 floor 1 Patentee after: Shanghai Kinetic Medical Co., Ltd. Address before: 201201 Shanghai City, Pudong New Area Zhangjiang hi tech Park East Qing ruilu No. 528 building 23 floor 1 Patentee before: Shanghai Kinetic Medical Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100324 |