CN102579119A - Pressurization needle cable fixed system for patella fracture and application thereof - Google Patents
Pressurization needle cable fixed system for patella fracture and application thereof Download PDFInfo
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- CN102579119A CN102579119A CN2012100332351A CN201210033235A CN102579119A CN 102579119 A CN102579119 A CN 102579119A CN 2012100332351 A CN2012100332351 A CN 2012100332351A CN 201210033235 A CN201210033235 A CN 201210033235A CN 102579119 A CN102579119 A CN 102579119A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/683—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin comprising bone transfixation elements, e.g. bolt with a distal cooperating element such as a nut
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Abstract
The invention relates to a pressurization needle cable fixed system for patella fracture. The fixed system consists of a needle body, a steel cable and a guide needle. The needle body and the guide needle are connected to two ends of the steel cable. The needle body is a solid metal cylinder, and provided with an annular tail hole at the end which is not connected with the steel cable. The invention further provided application of the pressurization needle cable fixed system. Compared with the existing commercial common hollow pressurization screw or screw cable, pressurization needle cable fixed system provided by the invention is simple in installation, can apply pressure on a fracture end during the installation process, and balance pressure of each part of the needle cable during steel cable tension belt fixed due to sliding of the needle cable, so that the integral pressurizing effect is realized and the breakage risk of an implanted article is avoided. The system is free of screw-like sharp structures so that cutting between implanted articles or cutting of implanted article to peripheral tissues can be avoided as much as possible.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, specifically, but is a kind of Patella fracture Needle with pressure-increasing means cable fixed system and application thereof.
Background technology
Patella is a sesamoid bone maximum in the human body, also is a kneed ingredient.Patella fracture is comparatively common; Good being sent out in the middle age accounts for human fracture's 1-2%, and wherein transecting type and vertical shape fracture accounts for branch apoplexy due to endogenous wind 2/3; Therapeutic Method is a lot of at present; Operative treatment is widely accepted, and ring like steel wire, Magnuson steel wire, tension band wire, AO tension band wire and improvement tension band wire internal fixation etc. are arranged, and adopting hollow forcing screw and tension band wire and D is the most frequently used method.But adopt this method to make the screw horizontal direction force, often bending easily, and the sharp keen tip of screw can produce dissection to wirerope, makes the wirerope fracture easily.
Chinese patent document CN2741523Y discloses a kind of internal fixation draw point, is to be made up of needle body, it is characterized in that the needle body two ends are respectively equipped with fixing hole, and its advantage is firm with this draw point internal fixation behind the Patella fracture, be difficult for sliding, and simple to operate.But but also do not appear in the newspapers at present about a kind of Patella fracture Needle with pressure-increasing means cable fixed system.
Summary of the invention
The objective of the invention is to deficiency of the prior art, but a kind of Patella fracture Needle with pressure-increasing means cable fixed system is provided.
Second purpose of the present invention be, but a kind of application of Patella fracture Needle with pressure-increasing means cable fixed system is provided.
For realizing above-mentioned purpose; The technical scheme that the present invention takes is: but a kind of Patella fracture Needle with pressure-increasing means cable fixed system; Described pin cable fixed system is made up of needle body, wirerope and guid needle; Described needle body and guid needle are connected to the two ends of wirerope, and described needle body is a solid metal cylinder, is provided with a circular uropore at an end that does not connect wirerope.
The total length of described needle body is 20-60mm, and the needle body diameter is 1.5-3.5mm.
Described uropore interior diameter 2-6mm, wirerope diameter 1-2mm, length 200-600mm, guid needle diameter 1-3mm.
Described pin cable fixed system also can comprise an optional components sliding sleeve; Described sliding sleeve is the Metallic rod of a hollow; It is outside to be enclosed within needle body and wirerope, and an end of described sliding sleeve is provided with the sleeve head of a nail, and intermediary hollow channel is pin cable fixed system duct.
Ring diameter 1.6-4mm in the sliding sleeve, outer ring diameter is 3.0-6.0mm, the outer ring diameter 4-10mm of the described sleeve head of a nail.
Described sliding sleeve also can replace with packing ring, and described gasket sleeve is on needle body or wirerope, and described packing ring is circular; Outer ring diameter is 4-10mm, and interior ring diameter is 1.6-4mm, and described packing ring also can use the claw type packing ring; Described pawl washer is the four paws type; There is a centre bore at the center, and center-hole diameter is 1-3mm, and the pawl spacing of pawl washer is respectively 2-10mm and 10-20mm.
Described packing ring also can use with sliding sleeve simultaneously, and when using simultaneously, described packing ring is placed on an end of the nearly uropore of needle body.
Described sliding sleeve also can replace with packing ring, comprises two packing rings in the promptly described pin cable fixed system, nearly uropore one end that is placed on needle body, and another is enclosed within on needle body or the wirerope.
Each assembly material of described pin cable fixed system is titanium alloy or rustless steel.
For realizing above-mentioned second purpose, the technical scheme that the present invention takes is: the application of described pin cable fixed system in the medical apparatus and instruments of preparation treatment Patella fracture, olecranal fracture, radius far-end fracture, ulna far-end fracture, ankle joint fracture, fracture of talus, fracture of the sacrum, fracture of pelvis.
The invention has the advantages that:
1, the present invention compares with common hollow forcing screw of selling in the market or nail cable; Not only install simple; And can reach the purpose of fracture site pressurization in the installation process; And can make the pressure of pin cable various piece obtain equilibrium because of the pin cable slides fixedly the time at tension band, form the effect of entire pressurisation;
2, since native system do not have sharp-pointed structure such as screw thread appearance can avoid between the implant as far as possible or implant to the cutting of surrounding tissue; And the pressure of each several part obtained homodisperse when the slidably property of pin cable made fixing pressurization of row wirerope tension band, had reduced the risk of implant fracture.
Description of drawings
But accompanying drawing 1 is the structural representation of a kind of Patella fracture Needle with pressure-increasing means cable fixed system of the present invention.
Accompanying drawing 2 is operation technique sketch maps of embodiment 1 described pin cable fixed system.
Accompanying drawing 3 is that embodiment 1 described pin cable fixed system adopts the fixed sketch map of 8 word tension bands.
Accompanying drawing 4 is that embodiment 1 described pin cable fixed system adopts ring to prick fixed sketch map.
Accompanying drawing 5 is that embodiment 1 described pin cable fixed system adopts 8 word tension bands and ring to prick combined fixed sketch map.
But accompanying drawing 6 is sectional structure sketch maps of the Patella fracture Needle with pressure-increasing means cable fixed system of band sliding sleeve.
Accompanying drawing 7 is user mode figure of embodiment 2 described pin cable fixed systems.
But accompanying drawing 8 is structural representations of the Patella fracture Needle with pressure-increasing means cable fixed system of belt washer.
Accompanying drawing 9 is user mode figure of embodiment 3 described pin cable fixed systems.
But accompanying drawing 10 is structural representations of the Patella fracture Needle with pressure-increasing means cable fixed system of belt washer and sliding sleeve.
Accompanying drawing 11 is user mode figure of embodiment 4 described pin cable fixed systems.
But accompanying drawing 12 is the structural representations with the Patella fracture Needle with pressure-increasing means cable fixed system of two packing rings.
Accompanying drawing 13 is user mode figure of embodiment 5 described pin cable fixed systems.
Accompanying drawing 14 is structural representations of pawl washer.
Accompanying drawing 15 is front views of pawl washer.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment provided by the invention is elaborated.
The Reference numeral and the ingredient that relate in the accompanying drawing are as follows:
1. needle body 2. wireropes
3. guid needle 11. uropores
4. sliding sleeve 5. packing rings
41. the sleeve head of a nail 6. patellas
61. fracture line 62. needle tracks
7. Kirschner wire 8. bayonet sockets
But embodiment 1 Patella fracture Needle with pressure-increasing means cable fixed system
Please with reference to accompanying drawing 1, but accompanying drawing 1 is the structural representation of a kind of Patella fracture Needle with pressure-increasing means cable fixed system of the present invention.Described pin cable fixed system is made up of needle body 1, wirerope 2 and guid needle 3, and described needle body 1 and guid needle 3 are connected to the two ends of wirerope 2, and the three connects as one.Described needle body 1 is a solid metal cylinder, is provided with an annulus at an end that does not connect wirerope 2, and promptly uropore 11, are used to pass wirerope 2, is convenient to carry out as required 8 font tension bands and fixes, encircles and prick or 8 word tension bands are fixing pricks combination etc. with ring.The total length of described needle body 1 is 20-60mm, and needle body 1 diameter is 1.5-3.5mm.Described uropore 11 interior diameter 2-6mm, wirerope 2 diameter 1-2mm, length 200-600mm, guid needle 3 diameter 1-3mm.
Operation method like embodiment 1 described pin cable fixed system is following: please with reference to accompanying drawing 2, accompanying drawing 2 is operation technique sketch maps of embodiment 1 described pin cable fixed system.During operation, conventional side skin before the patella, subcutaneous, the deep fascia etc. of cutting appear the Patella fracture place, patella 6 and fracture line 61 as shown in Figure 2, cleaning fracture site soft tissue and clot, reduction forceps auxiliary reset.Application is carried out pin cable system like Fig. 2 method and is fixed.Step is following:
1. the Kirschner wire 7 about use diameter 2.0mm (decide by choosing according to pin cable diameter of Kirschner wire; Generally, be convenient to the pin cable through the Kirschner wire duct greater than pin cable diameter) temporary fixed, please with reference to Fig. 2 A; C arm machine perspective is confirmed reduction of the fracture situation and Kirschner wire 7 positions, as all well descending the step;
2. alternately pull out Kirschner wire 7, can stay needle track 62, please with reference to Fig. 2 B;
3. (general recommendations needle body 1 is shorter than the length of needle track 62 in the bone with pin cable 2 to select to have the needle body 1 of appropriate length; Keep needle body 1 and wirerope 2 intersections after pressurization, to be positioned at the needle track 62 of bone as far as possible), penetrate pin cable fixed system (guide pin 3 pro-) along the needle track 62 that stays; Annotate: pin cable fixed system direction of travel can be selected from the patella 6 utmost point or rightabout (transverse fracture) under the best according to concrete classification of fracture, or walks crosswise thread a needle (vertical shape fracture);
4. according to classification of fracture, fixedly needs and patient's preference are carried out 8 word tension bands and are fixed, encircle and prick that fixing or 8 word tension bands are fixing pricks the fixed form of combined suitable type such as fixing with ring.After 8 fonts or ring are pricked, guid needle 3 and wirerope 2 are penetrated locking in the bayonet socket 8, bayonet socket 8 is bayonet sockets that wirerope is locked in solid periodic commonly used being used to of Patella fracture tension band.Please with reference to accompanying drawing 3-5; Accompanying drawing 3 is that embodiment 1 described pin cable fixed system adopts the fixed sketch map of 8 word tension bands; Accompanying drawing 4 is that embodiment 1 described pin cable fixed system adopts ring to prick fixed sketch map, and accompanying drawing 5 is that embodiment 1 described pin cable fixed system adopts 8 word tension bands and ring to prick combined fixed sketch map.
But the Patella fracture Needle with pressure-increasing means cable fixed system of embodiment 2 band sliding sleeves
Also can comprise an optional components sliding sleeve 4 like embodiment 1 described pin cable fixed system, please with reference to accompanying drawing 6, but accompanying drawing 6 is sectional structure sketch maps of the Patella fracture Needle with pressure-increasing means cable fixed system of band sliding sleeve.Described sliding sleeve 4 is Metallic rod of a hollow, ring diameter 1.6-4mm in the sliding sleeve 4, and outer ring diameter is 3.0-6.0mm.Use guid needle 3, wirerope 2 and the needle body 1 of hour hands cable fixed system to pass sliding sleeve 4, can in sliding sleeve 4, slide-shaped become the fracture end pressurization.One end of sliding sleeve 4 is provided with the sleeve head of a nail 41, and intermediary hollow channel is pin cable fixed system duct, the described sleeve head of a nail 41 outer ring diameter 4-10mm.
Please with reference to embodiment 1, only outside needle body 1 and wirerope 2, put sliding sleeve 4 like the operation method of the pin cable fixed system of embodiment 2 described band sliding sleeves, please with reference to accompanying drawing 7, accompanying drawing 7 is user mode figure of embodiment 2 described pin cable fixed systems.
Need to prove that when adopting embodiment 2 described pin cable fixed systems fixedly, the selectable location of bayonet socket 8 is more, preferably shown in Fig. 7 A between the uropore 11 of two needle bodies 1, or the same side that is positioned at two needle bodies 1 shown in Fig. 7 B.
Add described sliding sleeve 4, be convenient to fracture end is pressurizeed, avoid the dissection of 2 pairs of bones of wirerope simultaneously, also make wirerope 2 be not easy fracture.
But the Patella fracture Needle with pressure-increasing means cable fixed system of embodiment 3 belt washers
Like embodiment 2 described pin cable fixed systems, described sliding sleeve 4 also can use packing ring 5 to replace, and please with reference to accompanying drawing 8, but accompanying drawing 8 is structural representations of the Patella fracture Needle with pressure-increasing means cable fixed system of belt washer.Described packing ring 5 substitutes the position of sliding sleeve 4, is enclosed within on needle body 1 or the wirerope 2, and described packing ring 5 is circular, and outer ring diameter is 4-10mm, and interior ring diameter is 1.6-4mm.
Please with reference to embodiment 2, the sliding sleeve among the embodiment 24 is replaced with packing ring 5 like the operation method of the described pin cable fixed system that has only packing ring of embodiment 3.Please with reference to accompanying drawing 9, accompanying drawing 9 is user mode figure of embodiment 3 described pin cable fixed systems.
Need to prove that the effect of packing ring 5 mainly is the pressurization of being convenient to fracture site, avoid the dissection of wirerope simultaneously bone.
But the Patella fracture Needle with pressure-increasing means cable fixed system of embodiment 4 belt washers and sliding sleeve
Like embodiment 2 and 3 described pin cable fixed systems, described packing ring 5 also can use with sliding sleeve 4 simultaneously, and please with reference to accompanying drawing 10, but accompanying drawing 10 is structural representations of the Patella fracture Needle with pressure-increasing means cable fixed system of belt washer and sliding sleeve.When packing ring 5 used with sliding sleeve 4 simultaneously, described packing ring 5 was placed on an end of the nearly uropore 11 of needle body 1.
Like the operation method of the pin cable fixed system of embodiment 4 described belt washers and sliding sleeve please with reference to embodiment 2, at the end cover upper gasket 5 of the nearly uropore 11 of needle body 1.Please with reference to accompanying drawing 11, accompanying drawing 11 is user mode figure of embodiment 4 described pin cable fixed systems.
Need to prove that the effect of packing ring 5 mainly is the pressurization of being convenient between fracture site, avoid the dissection of wirerope simultaneously bone.
But embodiment 5 is with the Patella fracture Needle with pressure-increasing means cable fixed system of two packing rings
In the pin cable fixed system described in embodiment 4; Sliding sleeve 4 also can use packing ring 5 to replace; Be to comprise two packing rings 5 in the described pin cable fixed system, please with reference to accompanying drawing 12, but accompanying drawing 12 is the structural representations with the Patella fracture Needle with pressure-increasing means cable fixed system of two packing rings.When two packing rings 5 use simultaneously, an end (identical) that is placed on the nearly uropore 11 of needle body 1 with the packing ring position among the embodiment 4, another is enclosed within (identical with the packing ring position among the embodiment 3) on needle body 1 or the wirerope 2.The effect of packing ring 5 mainly is the pressurization of being convenient between fracture site, avoids the dissection of wirerope to bone simultaneously.
Like the operation method of the pin cable fixed system of embodiment 5 described belt washers and sliding sleeve please with reference to embodiment 3, at the end cover upper gasket 5 of the nearly uropore 11 of needle body 1.Please with reference to accompanying drawing 13, accompanying drawing 13 is user mode figure of embodiment 5 described pin cable fixed systems.
Need to prove, but each assembly material of the arbitrary described Patella fracture Needle with pressure-increasing means cable fixed system of the present invention of embodiment 1-5 is titanium alloy or rustless steel.The arbitrary described packing ring 5 of embodiment 3-5 also can be selected pawl washer; Please with reference to accompanying drawing 14 and 15; Accompanying drawing 14 is structural representations of pawl washer; Accompanying drawing 15 is front views of pawl washer, and adopting the advantage of pawl washer is except that the effect of plain washer, can have the effect of better controlling to sclerite.Described pawl washer is the four paws type, and there is a centre bore at the center, and center-hole diameter is 1-3mm, and the pawl spacing of pawl washer is respectively 2-10mm and 10-20mm, and the four paws face is towards the patella of fracture during use.The arbitrary described pin cable fixed system of embodiment 1-5 can be used as medical apparatus and instruments and in treatment Patella fracture, olecranal fracture, radius far-end fracture, ulna far-end fracture, ankle joint fracture, fracture of talus, fracture of the sacrum, fracture of pelvis, uses.
The present invention compares with common hollow forcing screw of selling in the market or nail cable; Not only install simple; And can reach the purpose of fracture site pressurization in the installation process; And can make the pressure of pin cable various piece obtain equilibrium because of the pin cable slides fixedly the time at tension band, form the effect of entire pressurisation; Can not produce the cutting between implant because native system has sharp-pointed structure such as screw thread appearance, and the slidably property of pin cable when making the fixing pressurization of row wirerope tension band the pressure of each several part obtain homodisperse, reduced the risk of implant fracture.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the inventive method; Can also make some improvement and replenish, these improvement and replenish and also should be regarded as protection scope of the present invention.
Claims (10)
1. but Patella fracture Needle with pressure-increasing means cable fixed system; It is characterized in that; Described pin cable fixed system is made up of needle body, wirerope and guid needle; Described needle body and guid needle are connected to the two ends of wirerope, and described needle body is a solid metal cylinder, is provided with a circular uropore at an end that does not connect wirerope.
2. pin cable fixed system according to claim 1 is characterized in that the total length of described needle body is 20-60mm, and the needle body diameter is 1.5-3.5mm.
3. pin cable fixed system according to claim 1 is characterized in that, described uropore interior diameter 2-6mm, wirerope diameter 1-2mm, length 200-600mm, guid needle diameter 1-3mm.
4. pin cable fixed system according to claim 1; It is characterized in that; Described pin cable fixed system also can comprise an optional components sliding sleeve, and described sliding sleeve is the Metallic rod of a hollow, is enclosed within needle body and wirerope outside; One end of described sliding sleeve is provided with the sleeve head of a nail, and intermediary hollow channel is pin cable fixed system duct.
5. pin cable fixed system according to claim 4 is characterized in that, ring diameter 1.6-4mm in the sliding sleeve, and outer ring diameter is 3.0-6.0mm, the outer ring diameter 4-10mm of the described sleeve head of a nail.
6. pin cable fixed system according to claim 4 is characterized in that described sliding sleeve also can replace with packing ring; Described gasket sleeve is on needle body or wirerope, and described packing ring is circular, and outer ring diameter is 4-10mm; Interior ring diameter is 1.6-4mm, and described packing ring also can use the claw type packing ring, and described pawl washer is the four paws type; There is a centre bore at the center, and center-hole diameter is 1-3mm, and the pawl spacing of pawl washer is respectively 2-10mm and 10-20mm.
7. pin cable fixed system according to claim 6 is characterized in that described packing ring also can use with sliding sleeve simultaneously, and when using simultaneously, described packing ring is placed on an end of the nearly uropore of needle body.
8. pin cable fixed system according to claim 7; It is characterized in that described sliding sleeve also can replace with packing ring, comprise two packing rings in the promptly described pin cable fixed system; Nearly uropore one end that is placed on needle body, another is enclosed within on needle body or the wirerope.
9. according to the arbitrary described pin cable fixed system of claim 1-8, it is characterized in that each assembly material of described pin cable fixed system is titanium alloy or rustless steel.
10. according to the application of the arbitrary described pin cable fixed system of claim 1-8 in the medical apparatus and instruments of preparation treatment Patella fracture, olecranal fracture, radius far-end fracture, ulna far-end fracture, ankle joint fracture, fracture of talus, fracture of the sacrum, fracture of pelvis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100332351A CN102579119A (en) | 2012-02-15 | 2012-02-15 | Pressurization needle cable fixed system for patella fracture and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100332351A CN102579119A (en) | 2012-02-15 | 2012-02-15 | Pressurization needle cable fixed system for patella fracture and application thereof |
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| CN102579119A true CN102579119A (en) | 2012-07-18 |
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| CN2012100332351A Pending CN102579119A (en) | 2012-02-15 | 2012-02-15 | Pressurization needle cable fixed system for patella fracture and application thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102871714A (en) * | 2012-10-26 | 2013-01-16 | 杜大江 | Surgical device for exclusive use of orthopedics department and method for using same |
| CN104939904A (en) * | 2015-07-01 | 2015-09-30 | 王维山 | Steel wire provided with fixed ring and used for tension band |
| CN105193484A (en) * | 2015-11-06 | 2015-12-30 | 上海凯利泰医疗科技股份有限公司 | Integrated fixing device for olecranal fracture |
| CN105232129A (en) * | 2015-11-06 | 2016-01-13 | 上海凯利泰医疗科技股份有限公司 | Fixing device for patella fracture |
| CN110478025A (en) * | 2019-09-03 | 2019-11-22 | 苏州吉美瑞医疗器械股份有限公司 | A kind of internal fixing device for patellar fracture |
| WO2022095836A1 (en) * | 2020-11-04 | 2022-05-12 | 陈聚伍 | Internal fixation device for patella fracture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2741523Y (en) * | 2004-11-27 | 2005-11-23 | 毕庆双 | Internal fixing steel pin |
| CN201631365U (en) * | 2009-02-24 | 2010-11-17 | 曲光 | Internal fixing system of combined tension belt for patellar fracture |
| CN202568424U (en) * | 2012-02-15 | 2012-12-05 | 上海市第十人民医院 | Pressable needle cable fixing system for patellar fracture |
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2012
- 2012-02-15 CN CN2012100332351A patent/CN102579119A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2741523Y (en) * | 2004-11-27 | 2005-11-23 | 毕庆双 | Internal fixing steel pin |
| CN201631365U (en) * | 2009-02-24 | 2010-11-17 | 曲光 | Internal fixing system of combined tension belt for patellar fracture |
| CN202568424U (en) * | 2012-02-15 | 2012-12-05 | 上海市第十人民医院 | Pressable needle cable fixing system for patellar fracture |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102871714A (en) * | 2012-10-26 | 2013-01-16 | 杜大江 | Surgical device for exclusive use of orthopedics department and method for using same |
| CN104939904A (en) * | 2015-07-01 | 2015-09-30 | 王维山 | Steel wire provided with fixed ring and used for tension band |
| CN105193484A (en) * | 2015-11-06 | 2015-12-30 | 上海凯利泰医疗科技股份有限公司 | Integrated fixing device for olecranal fracture |
| CN105232129A (en) * | 2015-11-06 | 2016-01-13 | 上海凯利泰医疗科技股份有限公司 | Fixing device for patella fracture |
| CN105193484B (en) * | 2015-11-06 | 2017-09-29 | 上海凯利泰医疗科技股份有限公司 | A kind of integrated fixing device of olecranal fracture |
| CN105232129B (en) * | 2015-11-06 | 2019-03-19 | 上海凯利泰医疗科技股份有限公司 | A kind of fixation device of patellar fracture |
| CN110478025A (en) * | 2019-09-03 | 2019-11-22 | 苏州吉美瑞医疗器械股份有限公司 | A kind of internal fixing device for patellar fracture |
| WO2022095836A1 (en) * | 2020-11-04 | 2022-05-12 | 陈聚伍 | Internal fixation device for patella fracture |
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Application publication date: 20120718 |