CN103110451A - Inflatable device for treating vertebral compression fracture - Google Patents
Inflatable device for treating vertebral compression fracture Download PDFInfo
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- CN103110451A CN103110451A CN2013100903511A CN201310090351A CN103110451A CN 103110451 A CN103110451 A CN 103110451A CN 2013100903511 A CN2013100903511 A CN 2013100903511A CN 201310090351 A CN201310090351 A CN 201310090351A CN 103110451 A CN103110451 A CN 103110451A
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- inner tube
- fixed handle
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- tube
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Abstract
The invention relates to a device for treating vertebral compression fracture and in particular relates to an inflatable device for treating vertebral compression fracture. The inflatable device comprises a tube body, a fixed handle, a movable handle, an inflatable bag, a sealing plug and a bone cement filling opening, wherein the tube body is divided into an outer tube and an inner tube; the inner tube is arranged on the inner part of the outer tube and longer than the outer tube; a gap for containing the bag is formed between the inner tube and the outer tube; the bag is arranged in the gap at the injection end of the bag; one end of the inner tube is connected with the inlet of the bag in a sealing manner; the output end of the bag is sealed by wires in a seam-welding manner; the sealing plug is arranged at the other end of the inner tube; the part, close to the sealing plug, of the inner tube is fixedly connected with a small pore-diameter section of a step-shaped through hole on the fixed handle; a waist-shaped slot which is symmetrical relative to the shaft centre line is arranged on the large pore-diameter section of the fixed handle; one end of the movable handle extends to the inner part of the through hole of the fixed handle from the waist-shaped slot, and is fixedly connected with the outer tube side wall of the large pore-diameter section of the fixed handle; and a bone cement interface is further formed on the part, close to the sealing plug, of the inner tube. According to the inflatable device disclosed by the invention, the operation steps are effectively simplified, and the radiations to the doctors and the patients during the operation process are greatly reduced.
Description
Technical field
The present invention relates to a kind of device for the treatment of compression fracture of vertabral body, be specifically related to a kind of inflatable device for the treatment of compression fracture of vertabral body.
Background technology
Compression fracture of vertabral body (" VCF ") is a kind of common spinal injury and can causes long term disability, and in general, VCF relates to subsiding of one or more vertebral bodys in spinal column.VCF is unobstructed occurs in the bottom vertebral body of thoracic vertebra or the top vertebral body of lumbar vertebra.VCF is usually directed to the fracture of the front part generation of influenced vertebral body.VCF can cause normal sequence and the curvature of the vertebral body in the involved area of spinal column, and for example lordosis, produce distortion.VCF and or relevant deformity of spine such as being that metastatic disease, wound etc. due to spinal column cause or relevant to osteoporosis.Until at present, the doctor still is subject to many limitations aspect lopsided taking which kind of mode to treat VCF and be correlated with.
The treatment compression fracture of vertabral body generally adopts two kinds of technology, and a kind of is vertebroplasty (PVP), is about to flowable reinforcing material, and normally polymethyl methacrylate (PMMA-often is called bone cement), inject damaged vertebral body by puncture needle.After cement injects, soon, liquid filling material polymerization and hardness increase, and support internally vertebral body, and alleviating pain also prevents from further subsiding through vertebral body.The phenomenon of bone cement seepage easily appears in this operation, and the successful surgery probability is low, and is dangerous large.
Another kind of technology is balloon kyphoplasty (PKP), distensible device is inserted in damaged vertebral body, then expansion.Take out distensible device, this operation namely forms a cavity in bone, can fill bone cement or other loading material in cavity, makes the bone of fracture can load-bearing.Thereby the reinforcement damaged vertebral body protects it to avoid further subsiding.This modus operandi has solved the situation of bone cement seepage, but operating procedure is numerous and diverse, for operative doctor require high.
Summary of the invention
The problem that exists for solving prior art the invention provides a kind of inflatable device for the treatment of compression fracture of vertabral body, has effectively simplified operating procedure.
The present invention is achieved through the following technical solutions: the present invention includes body, fixed handle, moving handle, expandable pouch, sealing-plug and bone cement inlet; Described body is divided into outer tube and inner tube, and described inner tube is positioned at outer tube inside and is longer than outer tube, leaves the space that can hold pouch between described inner and outer tubes; Described pouch is arranged in the space of body dispensing end, and inner tube one end is connected with the pouch inlet seal, described pouch outfan by line to sew up sealing; The described inner tube other end be provided with sealing-plug, inner tube is fixedly connected with near the appear on the stage small-bore section of scalariform through hole of the part of sealing-plug and described fixed handle, described fixed handle large aperture section is provided with the axial kidney slot with respect to the axial line symmetry, moving handle one end stretches into the fixed handle through hole from described kidney slot inner, and is fixedly connected with the outer tube wall that stretches into fixed handle large aperture section; Described inner tube also is provided with the bone cement interface near the part of sealing-plug.
Further, described inflatable sac bag material is soft macromolecular material.
The invention has the beneficial effects as follows: the bone cement of the high pressure that injects when using the present invention to perform the operation is wrapped in by pouch, and after completing corpus vertebrae replacement, pouch is withdrawn from, and has effectively prevented the seepage occurrence probability of bone cement; The present invention compares with traditional balloon kyphoplasty, and corpus vertebrae replacement and bone cement inject a step to be completed, and has effectively simplified operating procedure, greatly reduces the radiation that doctor and patient are subject in operation.
Description of drawings
Fig. 1 is user mode schematic diagram of the present invention.
Fig. 2 is the unused state schematic diagram of pouch.
Fig. 3 is the user mode schematic diagram of pouch.
In the drawings: the 11-outer tube; The 12-inner tube; The 2-fixed handle; The step-like through hole of 21-; The 22-kidney slot; The 3-moving handle; The 4-pouch; The 5-sealing-plug; 6-bone cement inlet.
The specific embodiment
As shown in Fig. 1 ~ 3, the present invention includes body, also comprise fixed handle 2, moving handle 3, expandable pouch 4, sealing-plug 5 and bone cement inlet 6; Described body is divided into outer tube 11 and inner tube 12, and described inner tube 12 is positioned at outer tube 11 inside and is longer than outer tube 11, between described inner tube 12 and outer tube 11, leaves the space that can hold pouch 4; Described pouch 4 is arranged in the space of body dispensing end, and inner tube 12 1 ends are connected with pouch 4 inlet seals, described pouch 4 outfans by line to sew up sealing; Described inner tube 12 other ends be provided with sealing-plug 5, inner tube 12 is fixedly connected with near the appear on the stage small-bore section of scalariform through hole 21 of the part of sealing-plugs 5 and described fixed handle 2, described fixed handle 2 large aperture sections are provided with the axial kidney slot 22 with respect to the axial line symmetry, moving handle 3 one ends stretch into fixed handle 2 through holes from described kidney slot 22 inner, and are fixedly connected with outer tube 11 sidewalls that stretch into fixed handle 2 large aperture sections; Described inner tube 12 also is provided with bone cement inlet 6 near the part of sealing-plug 5.
Further, described inflatable pouch 4 materials are soft macromolecular material.
Further, described inner tube 12 can be that metal tube can be also non-metallic pipe.
Using method of the present invention is, body portion is inserted in spinal column, promote moving handle 3, moving handle 3 drives outer tube and slides backward, and the inflatable pouch of inserting like this in spinal column exposes, and injects bone cement from bone cement inlet 6, bone cement enters pouch 4 by inner tube 12, pouch 4 expands under the pressure of bone cement, struts epispinal vertebral body, and fractured vertebral body is resetted; Then the line of the outfan of pouch 4 ruptures under certain fixation pressure, pouch 4 openings, and bone cement enters in vertebral body.Withdraw from afterwards pouch 4, bone cement is stayed and is strengthened vertebral body in vertebral body.
Should be noted that at last; above content is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; the simple modification that those of ordinary skill in the art carries out technical scheme of the present invention or be equal to replacement does not all break away from essence and the scope of technical solution of the present invention.
Claims (2)
1. an inflatable device for the treatment of compression fracture of vertabral body, comprise body, it is characterized in that, also comprises fixed handle, moving handle, expandable pouch, sealing-plug and bone cement inlet; Described body is divided into outer tube and inner tube, and described inner tube is positioned at outer tube inside and is longer than outer tube, leaves the space that can hold pouch between described inner and outer tubes; Described pouch is arranged in the space of body dispensing end, and inner tube one end is connected with the pouch inlet seal, described pouch outfan by line to sew up sealing; The described inner tube other end be provided with sealing-plug, inner tube is fixedly connected with near the appear on the stage small-bore section of scalariform through hole of the part of sealing-plug and described fixed handle, described fixed handle large aperture section is provided with the axial kidney slot with respect to the axial line symmetry, moving handle one end stretches into the fixed handle through hole from described kidney slot inner, and is fixedly connected with the outer tube wall that stretches into fixed handle large aperture section; Described inner tube also is provided with the bone cement interface near the part of sealing-plug.
2. the inflatable device for the treatment of compression fracture of vertabral body according to claim 1, is characterized in that, described inflatable sac bag material is macromolecular material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100903511A CN103110451A (en) | 2013-03-21 | 2013-03-21 | Inflatable device for treating vertebral compression fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100903511A CN103110451A (en) | 2013-03-21 | 2013-03-21 | Inflatable device for treating vertebral compression fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103110451A true CN103110451A (en) | 2013-05-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100903511A Pending CN103110451A (en) | 2013-03-21 | 2013-03-21 | Inflatable device for treating vertebral compression fracture |
Country Status (1)
| Country | Link |
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| CN (1) | CN103110451A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104248465A (en) * | 2014-09-29 | 2014-12-31 | 中南大学湘雅三医院 | Distraction bone grafting device for vertebral compression fractures |
| CN106333740A (en) * | 2016-09-28 | 2017-01-18 | 上海凯利泰医疗科技股份有限公司 | Removable bag and bone-filler injecting system |
| CN113317911A (en) * | 2021-06-04 | 2021-08-31 | 张丽君 | Pressure expansion type femoral stem |
| WO2022041653A1 (en) * | 2020-08-28 | 2022-03-03 | 浙江科惠医疗器械股份有限公司 | Bone cement injection device capable of preventing bone cement leakage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518431A (en) * | 2001-04-19 | 2004-08-04 | () | Inflatable device and method for reducing fractures in bone and in treating the spine |
| US20070156225A1 (en) * | 2003-12-23 | 2007-07-05 | Xtent, Inc. | Automated control mechanisms and methods for custom length stent apparatus |
| US20090112303A1 (en) * | 2001-11-28 | 2009-04-30 | Lee Bolduc | Devices, systems, and methods for endovascular staple and/or prosthesis delivery and implantation |
| US20110106184A1 (en) * | 2009-10-29 | 2011-05-05 | Kyphon Sarl | Anterior inflation balloon |
| CN203183007U (en) * | 2013-03-21 | 2013-09-11 | 上海朗迈医疗器械科技有限公司 | Expandable device for treating vertebral compression fracture |
-
2013
- 2013-03-21 CN CN2013100903511A patent/CN103110451A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1518431A (en) * | 2001-04-19 | 2004-08-04 | () | Inflatable device and method for reducing fractures in bone and in treating the spine |
| US20090112303A1 (en) * | 2001-11-28 | 2009-04-30 | Lee Bolduc | Devices, systems, and methods for endovascular staple and/or prosthesis delivery and implantation |
| US20070156225A1 (en) * | 2003-12-23 | 2007-07-05 | Xtent, Inc. | Automated control mechanisms and methods for custom length stent apparatus |
| US20110106184A1 (en) * | 2009-10-29 | 2011-05-05 | Kyphon Sarl | Anterior inflation balloon |
| CN203183007U (en) * | 2013-03-21 | 2013-09-11 | 上海朗迈医疗器械科技有限公司 | Expandable device for treating vertebral compression fracture |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104248465A (en) * | 2014-09-29 | 2014-12-31 | 中南大学湘雅三医院 | Distraction bone grafting device for vertebral compression fractures |
| CN104248465B (en) * | 2014-09-29 | 2016-11-16 | 中南大学湘雅三医院 | Compression fracture of vertabral body struts bone grafting device |
| CN106333740A (en) * | 2016-09-28 | 2017-01-18 | 上海凯利泰医疗科技股份有限公司 | Removable bag and bone-filler injecting system |
| CN106333740B (en) * | 2016-09-28 | 2019-01-25 | 上海凯利泰医疗科技股份有限公司 | One kind can be taken off pouch and a kind of bone filler injects system |
| WO2022041653A1 (en) * | 2020-08-28 | 2022-03-03 | 浙江科惠医疗器械股份有限公司 | Bone cement injection device capable of preventing bone cement leakage |
| CN113317911A (en) * | 2021-06-04 | 2021-08-31 | 张丽君 | Pressure expansion type femoral stem |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130522 |