CN203244446U - Memory alloy intercostals strutting device - Google Patents
Memory alloy intercostals strutting device Download PDFInfo
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- CN203244446U CN203244446U CN 201320256478 CN201320256478U CN203244446U CN 203244446 U CN203244446 U CN 203244446U CN 201320256478 CN201320256478 CN 201320256478 CN 201320256478 U CN201320256478 U CN 201320256478U CN 203244446 U CN203244446 U CN 203244446U
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- hook
- rib
- intercostals
- dilator
- memory alloy
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Abstract
The utility model relates to a hospital orthopedic surgery instrument, in particular to a memory alloy intercostals strutting device. The memory alloy intercostals strutting device is characterized in that the two ends of a circular arc supporting plate are respectively provided with a three-fork hook, each three-fork hook is formed by two lower clasping hook bodies and an upper clasping hook body corresponding to the lower clasping hook bodies, the upper clasping hook body bent downwards is arranged above the two lower clasping hook bodies bent upwards, the bent radians of the lower clamping hook bodies and the bent radian of the upper clasping hook bodies are matched with the shape of the cross section of a matched rib, and the memory alloy intercostals strutting device is made of memory metal. The memory alloy intercostals strutting device is reasonable in structure, high in intensity, light in weight, reliable in connection with the rib, small in surgery intensity, short in surgery time, small in interference on bone cortex blood circulation, good in biocompatibility and beneficial to fracture end blood circulation recovery and fracture healing so as to shorten the fracture union period or the bone shape righting period.
Description
Technical field
This utility model hospital orthopedics operating theater instruments, particularly a kind of memorial alloy intercostal dilator.
Background technology
Operative treatment breast section severe scoliosis merges chest deformity and rib, rib bifurcated, rib and the unusual and lopsided patient of thorax such as lacks, the intercostal dilator operating theater instruments that tradition is used is for adopting stainless steel substrates by auxiliary appliances such as screw, nut, steel wires, hole at the human body rib, by screw, nut stainless steel substrates is fixed on the rib, adjacent rib is strutted.Its weak point is easily to produce that to connect apparatus loosening, connects instrument strength lower, and weight is heavier, and operation strength is large, and operating time is long, and it is larger that cortical bone blood is followed interference, and stainless biocompatibility is poor, easily produces osteoporosis.
Summary of the invention
The purpose of this utility model is to provide a kind of memorial alloy intercostal dilator, it is rational in infrastructure, intensity is high, and is lightweight, is connected with rib reliably, operation strength is little, operating time is short, to cortical bone blood follow disturb little, with good biocompatibility, be conducive to fracture end blood and follow recovery and union of fracture, shorten fracture or the orthopedic healing stage of bone.
The purpose of this utility model is achieved in that a kind of memorial alloy intercostal dilator, the structure of intercostal dilator is for arranging respectively the trident hook at the two ends of circular arc gripper shoe, trident hook is made of with corresponding with lower clip hook upper clip hook two lower clip hooks, its top of two lower clip hooks that are bent upwards is arranging reclinate upper clip hook, the crooked radian of lower clip hook and upper clip hook adapts with the rib transverse shape that matches, and the intercostal dilator is made of memory metal.
Adopt operation method of the present utility model:
(1) prepare before the art: in cranium basin traction 4-6 week, under the traction of cranium basin, under the local anaesthesia or the bronchial cannula general anesthesia is descending and rib cuts, the Ultimum Ti intercostal struts thoracoplasty.Be ready to operation and use apparatus and Ultimum Ti intercostal dilator.
(2) anesthesia: local infiltration anesthesia or bronchial cannula general anesthesia.
(3) clinostatism: be with the skull fracture ventricumbent position or be not with the skull fracture ventricumbent position.
(4) surgical operation step:
First step sterilization spreads list and otch: back sterilization skin, shop list, under local infiltration anesthesia, to open spinous process 3cm from recessed side, the side of scoliosis and begin otch, diagonal prolongs 10cm outwards, downwards, according to and the needs of flank position, otch can make progress, prolongation downwards.
Second step exposes: cut skin and subcutaneous tissue, and along the terminal longitudinal incision fascia thoracolumbalis of transverse process, the separating muscle layer, through costotransverse joint separates laterally and exposes the rib diapophysis and need to do and rib cuts and insert the part rib of dilator.
The 3rd step peeled off and exposes and rib: along and rib peel off at its subperiosteum and appear and the front and back of rib, make sure to keep in mind and pleura can not be opened, peel off also unsuitable excessive.
The 4th goes on foot osteotomy separately and rib:, should note injuring pleura from also separating between the rib with osteotome.
The 5th step strutted rib with rib spreader: guard against rib bed and pleura burst and cause pneumothorax.Chronic strutting that should be gradually, the power of strutting can not be too quickly.
The 6th step was installed the Nitinol dilator: Ultimum Ti intercostal dilator divides two kinds, and 1 is local dilator, and directly support generally is placed on the position of posterior axillary line on the also rib that separates.2 is the amphi position dilator, is placed on the outside of costotransverse joint, upper from second rib, down to the position of the 10th rib for the installation dilator.11,12 ribs bottom are that floating rib should not be linked up with.
The installation of the 7th step Nitinol dilator: the alloy dilator is immersed in the frozen water, in frozen water, carry out moulding after 20-30 minute, rubble ice cooling in the otch scope, the alloy dilator is easy to moulding and it is hung on the rib of upper end or lower end, when the three-fork hook of alloy dilator upper and lower end is moulding hold rib tightly after, remove rubble ice and frozen water, soak 50-60 ℃ hot salt brine with the large gauze pad of polylith and do soak, make alloy dilator rewarming, and carry out simultaneously maneuver pushing help correction deformity.When the temperature of alloy dilator itself surpasses the temperature that reverse transformation begins (30 ℃), the alloy dilator begins to recover to shape memory, and the metal phase change response rate drives inner fixing device towards the future development of correction deformity.Reach after the resistance balance with malformation correction, namely finished autonomous rectification chest deformity and separately and the purpose of rib.
The 8th step closed incision surgery and finishes: conscientiously check, stop blooding, do not have the pleura person of breaking to place the wound drainage pipe, the layering close incisions.The pleura person of breaking is arranged, place intrathoracic drain, connect water-sealed drainage bottle and go back to the ward by opening the breast patient care.
The good effect of this practical new generation:
1. unique lasting self-pressurization function: " memory " function of marmem uniqueness has lasting self-pressurization function." cohesive force " that continues provides good mechanical condition for patient's healing.Can not cause the loosening of apparatus because of sclerotin healing and human motion.
2. the union of fracture cycle shortens: " cohesive force " that continues, can greatly shorten fracture or the orthopedic healing cycle of bone simultaneously, and to compare with traditional bone surgery, healing cycle shortens 1/3-2/3.
3. easy and simple to handle: as in 0 ~ 5 ℃ of brine ice, can be out of shape like a cork expansion, under human body temperature, automatically to recover its original state.Make the bone surgery of numerous and diverse " fixing " become a kind of light " installation " operation.Operation strength reduces greatly, and operating time can foreshorten to the 1/3-2/3 of traditional bone surgery.
4. biocompatibility is good: the Biochemistry Experiments such as a large amount of corrosion-resistant, biocompatibility, cytotoxicity, carcinogenecity, sensitization both at home and abroad show, titanium nickel (TiNi) marmem is compared with rustless steel, cochrome, has more good biocompatibility and low biological transformation.Can be in human body long-term storage.
The mechanical strength of memorial alloy, anti-torsion performance, decay resistance, abrasion resistance properties, impact flexibility, anti-shear performance are all much good than rustless steel.Thereby, to compare with traditional orthopedic instrument, it is stronger, more reliable interior fixing that the memorial alloy apparatus can provide.
5. memorial alloy orthopedic fixation device tool does not need the auxiliary appliances such as nut, screw, steel wire, and the artificial property damage operation such as boring, wedging can be down to minimum, thereby cortical bone blood is followed disturb littlely, is conducive to fracture end blood and follows and recover and union of fracture.
6. structure is light and handy, and is nonmagnetic: the proportion of TiNi marmem only is 6.5g/cm in addition
3, than rustless steel 8.03g/cm
3Much smaller, thereby weight is more light than traditional orthopedic instrument.
7. greatly reduce the osteoporosis rate: the elastic modelling quantity of NiTi shape memory alloy only has 1/4 of common stainless steel, and is comparatively approaching with people's bone, can greatly reduce stress force shelter reaction, avoids osteoporosis.
This utility model is rational in infrastructure, and intensity is high, and is lightweight, realized being connected reliably with rib, operation strength is little, and operating time is short, to cortical bone blood follow disturb little, with good biocompatibility, be conducive to fracture end blood and follow and union of fracture, shortened the orthopedic healing cycle of fracture or bone.
Description of drawings
Further describe of the present utility model below in conjunction with accompanying drawing, Fig. 1 is perspective view of the present utility model, and Fig. 2 is Fig. 1 master's TV structure schematic diagram.
The specific embodiment
A kind of memorial alloy intercostal dilator, as shown in Figure 1 and Figure 2, the structure of intercostal dilator is for arranging respectively the trident hook at the two ends of circular arc gripper shoe 1, trident hook is made of with corresponding with lower clip hook 3 upper clip hook 2 two lower clip hooks 3, two lower clip hook 3 its tops that are bent upwards are arranging reclinate upper clip hook 2, the crooked radian of lower clip hook 3 and upper clip hook 2 adapts with the rib transverse shape that matches, and the intercostal dilator is made of memory metal.Upper clip hook 2 is positioned at the centre position of two lower clip hooks 3.The intercostal dilator is made of Ultimum Ti.
This utility model subject range:
1, breast section severe scoliosis merges chest deformity.
2, the subside person that affects the pulmonary function of the recessed pleurobranch exterior feature of lateral bending.
3 and rib, bifid rib, rib lack as etc. congenital anomaly of thoracic cage.
4, because causing pulmonary function limitation of activity, carbon oxygen unusually, thorax exchanges difficult person.
5, after skull fracture traction because and the existence of rib limited the up and down expansion person in footpath of thoracic cavity.
Claims (3)
1. memorial alloy intercostal dilator, it is characterized in that: the structure of intercostal dilator is for arranging respectively the trident hook at the two ends of circular arc gripper shoe (1), trident hook is made of with corresponding with lower clip hook (3) upper clip hook (2) two lower clip hooks (3), its top of two the lower clip hooks (3) that are bent upwards is arranging reclinate upper clip hook (2), the crooked radian of lower clip hook (3) and upper clip hook (2) adapts with the rib transverse shape that matches, and the intercostal dilator is made of memory metal.
2. a kind of memorial alloy intercostal dilator according to claim 1 is characterized in that: go up the centre position that clip hook (2) is positioned at two lower clip hooks (3).
3. a kind of memorial alloy intercostal dilator according to claim 1, it is characterized in that: the intercostal dilator is made of Ultimum Ti.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320256478 CN203244446U (en) | 2013-05-13 | 2013-05-13 | Memory alloy intercostals strutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320256478 CN203244446U (en) | 2013-05-13 | 2013-05-13 | Memory alloy intercostals strutting device |
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| Publication Number | Publication Date |
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| CN203244446U true CN203244446U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320256478 Expired - Fee Related CN203244446U (en) | 2013-05-13 | 2013-05-13 | Memory alloy intercostals strutting device |
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| CN (1) | CN203244446U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799930A (en) * | 2015-05-21 | 2015-07-29 | 柳立军 | Flail chest treatment device |
| CN105054982A (en) * | 2015-08-18 | 2015-11-18 | 南京医科大学附属南京儿童医院 | Sternum expanding device with sternal closure delaying function |
| CN106687051A (en) * | 2014-07-23 | 2017-05-17 | 拉希德·马兹哈尔·穆罕默德·M·哈克 | Sternotomy spacing device |
| CN111110340A (en) * | 2019-12-30 | 2020-05-08 | 苏州西脉生物科技有限公司 | Super-elastic memory rib intramedullary fixation plate |
-
2013
- 2013-05-13 CN CN 201320256478 patent/CN203244446U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106687051A (en) * | 2014-07-23 | 2017-05-17 | 拉希德·马兹哈尔·穆罕默德·M·哈克 | Sternotomy spacing device |
| CN104799930A (en) * | 2015-05-21 | 2015-07-29 | 柳立军 | Flail chest treatment device |
| CN104799930B (en) * | 2015-05-21 | 2017-05-31 | 柳立军 | Flail chest therapeutic system |
| CN105054982A (en) * | 2015-08-18 | 2015-11-18 | 南京医科大学附属南京儿童医院 | Sternum expanding device with sternal closure delaying function |
| CN111110340A (en) * | 2019-12-30 | 2020-05-08 | 苏州西脉生物科技有限公司 | Super-elastic memory rib intramedullary fixation plate |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20150513 |
|
| EXPY | Termination of patent right or utility model |