CN208551883U - A kind of thorax surgery retractor - Google Patents
A kind of thorax surgery retractor Download PDFInfo
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- CN208551883U CN208551883U CN201721102194.1U CN201721102194U CN208551883U CN 208551883 U CN208551883 U CN 208551883U CN 201721102194 U CN201721102194 U CN 201721102194U CN 208551883 U CN208551883 U CN 208551883U
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- Prior art keywords
- blade
- moving blade
- fixed
- hook portion
- fixed blade
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Abstract
The utility model discloses a kind of thorax surgery retractors, belong to area of medical devices, existing thoracic surgery tractor is solved to be easily bent, the problem of rebound, including fixed blade (1) and moving blade (2), the end of fixed blade and moving blade is respectively equipped with the first hook portion (101) and the second hook portion (102) being used in conjunction with each other, the tail portion of fixed blade is fixedly connected with rack gear (3), the tail portion of moving blade is equipped with the channel passed through for gear, moving blade is equipped with a shaft (501), shaft is fixedly connected with the gear with teeth portion (301) tooth sum on rack gear (3), shaft is connected with the handle (5) of control shaft rotation, first hook portion and fixed blade are integrated chemical conversion type, second hook portion and moving blade integrated molding.
Description
Technical field
The utility model relates to area of medical devices, a kind of specifically thorax surgery retractor.
Background technique
Retractor (retractors) is also known as drag hook, and to retract tissue, appearing needs range of operation, convenient for detecting and grasping
Make, two class of hand-held drag hook and self-retractor can be divided into.There is the specification of various different shapes and size, can need to select according to operation
Suitable drag hook.
Current sternum retractor generally comprises handle, rack gear, runner, lever arm and fixed arm, lever arm and fixation
Arm top connects rack gear.In use, lever arm and fixed arm top stress are too big for the retractor of this structure, use
It will lead to lever arm and fixed arm deformation in journey, and since stress is excessive, cause lever arm sliding not smooth, expense is compared in operation
Power.
Utility model content
The purpose of this utility model is that: in view of the above problems, provide a kind of thorax surgery retractor, including fixation
The end of blade and moving blade, fixed blade and moving blade is respectively equipped with the first hook portion and second hook being used in conjunction with each other
Portion, the tail portion of fixed blade are fixedly connected with rack gear, and the tail portion of moving blade is equipped with the channel passed through for gear, moving blade
It is equipped with a shaft, shaft is fixedly connected with the gear with the teeth portion tooth sum on rack gear, and shaft is connected with control shaft rotation
Handle, first hook portion and fixed blade be integrated chemical conversion type, and second hook portion and moving blade are integrally melted into
Type.
As an improvement, the fixed blade is fixedly connected with a fixed link, fixed link passes through moving blade, mobile phase
Fixed link can be moved.Moving blade and fixed blade can be controlled to a certain extent in this way is mutually shifted direction, keeps away
Exempt from the bending deformation of moving blade and fixed blade.
As an improvement, nut, nut and fixation are equipped in the fixed link between fixed blade and moving blade
Bar is threadedly coupled, and nut is mobile to fixed blade for limiting moving blade, can be made in this way in fixed blade and mobile leaf
In the case that piece opening is fixed, moving blade will not be sprung back, and play fixed effect.
As an improvement, fixed blade, moving blade, the first hook portion, the second hook portion, rack gear are prepared using 3D printing, 3D is beaten
Print material is chromium carbide reinforced aluminum matrix composites, and preparation method is as follows, step 1: carbon black, electrolytic chromium powder and aluminium powder are pressed
According to weight (1-2): 5:100 is uniformly mixed；
Step 2: the material after step 1 is gone out to use hot-forming method, briquet is made.
Step 3: heating briquet with the rate of heat addition of 10 DEG C -50 DEG C/min, is heated to 1400 DEG C -1700 DEG C, carbon black and chromium
Powder reaction generates chromium carbide reinforced phase；
Step 4: above-mentioned element is subjected to enhancing element homogenization heat treatment；
Step 5: above-mentioned treated composite material is subjected to hot extrusion；
Step 6: hot rolling treatment is carried out more than recrystallization temperature；
Step 7: the alloy after step 6 is subjected to solution treatment.
Wherein carbon black and electrolytic chromium powder can use common raw material in step 1, and ratio influences reinforced phase
Partial size, more tiny in order to allow to reach, the mass ratio of carbon black and electrolytic chromium powder is (1-2): 5.And the partial size of reinforced phase is big
Control can be added by adjusting heating temperature in small and base phase uniformity coefficient, the heating temperature selection in the utility model
1400 DEG C -1700 DEG C, and the size of the rate of heat addition determines the speed of preheating.
As an improvement, the partial size of the electrolytic chromium powder is 400 mesh.
As an improvement, the aluminium powder is superfine aluminium power, the precision of aluminium powder is 16 ~ 30 μm.
As an improvement, the rate of heat addition of the step 3 kind is 20 DEG C/min.
As an improvement, the heat treatment temperature of the step four is 600 DEG C -800 DEG C, heat treatment time is 20 min-
100min, heat treatment carry out under an inert gas.
As an improvement, the hot extrusion ratio of the step 5, between 20:1-8:1, extrusion temperature is controlled at 500 DEG C -700
℃。
As an improvement, the heating temperature of the step 3 is 1500 DEG C -1600 DEG C, and then the size controlling of chromium carbide is existed
Preferably horizontal, further preferably heating temperature is 1550 DEG C.
As an improvement, it is 25%-30% that carbon black, which accounts for reinforced phase raw material weight, in the step one, in this preferable case
Under, generating process chromium carbide obtained in is more fine and close in situ, reaches Nano grade, and fully dispersed can arrive base
In body material.
Composite material disclosed by the utility model is applied in aluminium alloy 3D printing field, and the product printed is enabled to
Performance achievees the effect that forging, and existing is usually the performance that forging is not achieved.
Chromium carbide reinforced phase can achieve Nano grade, the electronics of preparation in aluminum matrix composite disclosed by the utility model
Product is light and portable, and this nano ceramics aluminium alloy is light-weight, and has high rigidity, high intensity, antifatigue, low bulk, high resistant
The features such as Buddhist nun, high temperature resistant, compares titanium alloy and high temperature alloy, and performance is far below forging, nano ceramics aluminium after aluminium alloy 3D printing
Alloy 3D printing component can achieve the performance of forging, enhance its application in 3D printing.
The above-mentioned retractor intensity printed is big, will not occur bending and deformation operate smoothness when in use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is another schematic diagram of the utility model；
Marked in the figure: 1- fixed blade, the first hook portion of 101-, 2- moving blade, the second hook portion of 201-, 3- rack gear, 301-
Teeth portion, 4- fixed link, 401- nut, 5- handle, 501- shaft.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Specific embodiment 1: as shown in Figs. 1-2, a kind of thorax surgery retractor, including fixed blade 1 and mobile leaf are disclosed
The end of piece 2, fixed blade and moving blade is respectively equipped with the first hook portion 101 and the second hook portion 102 being used in conjunction with each other, Gu
The tail portion of fixed blade is fixedly connected with rack gear 3, and the tail portion of moving blade is equipped with the channel passed through for gear, sets on moving blade
There is a shaft 501, shaft is fixedly connected with the gear with the 301 tooth sum of teeth portion on rack gear 3, and shaft is connected with control shaft and turns
Dynamic handle 5, first hook portion and fixed blade are integrated chemical conversion type, second hook portion and moving blade integration
Molding.
The fixed blade is fixedly connected with a fixed link 4, and fixed link passes through moving blade, mobile relatively fixed bar
It can move.Nut 401 is equipped in fixed link between fixed blade and moving blade, nut and fixed link are threadedly coupled,
Nut is mobile to fixed blade for limiting moving blade.
Specific embodiment 2: a kind of chromium carbide reinforced aluminum matrix composites of heat release disperse in-situ preparation preparation, feature
It is, preparation method is as follows,
Step 1: by carbon black, electrolytic chromium powder and aluminium powder according to weight (1-2): 5:100 is uniformly mixed；
Step 2: the material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3: heating briquet, carbon black and chromium powder reaction generate chromium carbide reinforced phase；
Step 4: above-mentioned element is subjected to enhancing element homogenization heat treatment；
Step 5: above-mentioned treated composite material is subjected to hot extrusion；
Step 6: hot rolling treatment is carried out more than recrystallization temperature；
Step 7: the alloy after step 6 is subjected to solution treatment.
Wherein, the partial size of electrolytic chromium powder is 325 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
Kind the rate of heat addition be 15 DEG C/min, the heating temperature of step 3 is 1550 DEG C -1600 DEG C, and then by the size controlling of chromium carbide
Preferably horizontal.The heat treatment temperature of step 4 be 600 DEG C -800 DEG C, heat treatment time be 20 min-100min, heat at
Reason carries out under an inert gas.Between 20:1-8:1, extrusion temperature is controlled at 500 DEG C -700 the hot extrusion ratio of step 5
℃.It is 25%-30% that carbon black, which accounts for reinforced phase raw material weight, in step 1.
Specific embodiment 3: a kind of chromium carbide reinforced aluminum matrix composites of heat release disperse in-situ preparation preparation, feature
It is, preparation method is as follows,
Step 1: by carbon black, electrolytic chromium powder and aluminium powder according to weight (1-2): 5:100 is uniformly mixed；
Step 2: the material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3: heating briquet, carbon black and chromium powder reaction generate chromium carbide reinforced phase；
Step 4: above-mentioned element is subjected to enhancing element homogenization heat treatment；
Step 5: above-mentioned treated composite material is subjected to hot extrusion；
Step 6: hot rolling treatment is carried out more than recrystallization temperature；
Step 7: the alloy after step 6 is subjected to solution treatment.
Wherein, the partial size of electrolytic chromium powder is 400 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
The rate of heat addition of kind is 13 DEG C/min, and the heating temperature of step 3 is 1570 DEG C, and then by the size controlling of chromium carbide more excellent
Level.The heat treatment temperature of step 4 is 600 DEG C -800 DEG C, and heat treatment time is 20 min-100min, is heat-treated lazy
It is carried out under property gas.The hot extrusion ratio of step 5 is 20:1, and extrusion temperature is controlled at 500 DEG C -700 DEG C.Carbon black in step 1
Accounting for reinforced phase raw material weight is 25%-30%.
Specific embodiment 4: a kind of chromium carbide reinforced aluminum matrix composites of heat release disperse in-situ preparation preparation, feature
It is, preparation method is as follows,
Step 1: by carbon black, electrolytic chromium powder and aluminium powder according to weight (1-2): 5:100 is uniformly mixed；
Step 2: the material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3: heating briquet, carbon black and chromium powder reaction generate chromium carbide reinforced phase；
Step 4: above-mentioned element is subjected to enhancing element homogenization heat treatment；
Step 5: above-mentioned treated composite material is subjected to hot extrusion；
Step 6: hot rolling treatment is carried out more than recrystallization temperature；
Step 7: the alloy after step 6 is subjected to solution treatment.
Wherein, the partial size of electrolytic chromium powder is 400 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
Kind the rate of heat addition be 20 DEG C/min, the heating temperature of step 3 is 1500 DEG C -1600 DEG C, and then by the size controlling of chromium carbide
Preferably horizontal.The heat treatment temperature of step 4 be 600 DEG C -800 DEG C, heat treatment time be 20 min-100min, heat at
Reason carries out under an inert gas.Between 20:1-8:1, extrusion temperature is controlled at 500 DEG C -700 the hot extrusion ratio of step 5
℃.It is 25%-30% that carbon black, which accounts for reinforced phase raw material weight, in step 1.
Specific embodiment 5: a kind of chromium carbide reinforced aluminum matrix composites of heat release disperse in-situ preparation preparation, feature
It is, preparation method is as follows,
Step 1: by carbon black, electrolytic chromium powder and aluminium powder according to weight (1-2): 5:100 is uniformly mixed；
Step 2: the material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3: heating briquet, carbon black and chromium powder reaction generate chromium carbide reinforced phase；
Step 4: above-mentioned element is subjected to enhancing element homogenization heat treatment；
Step 5: above-mentioned treated composite material is subjected to hot extrusion；
Step 6: hot rolling treatment is carried out more than recrystallization temperature；
Step 7: the alloy after step 6 is subjected to solution treatment.
Wherein, the partial size of electrolytic chromium powder is 400 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
Kind the rate of heat addition be 20 DEG C/min, the heating temperature of step 3 is 1500 DEG C -1600 DEG C, and then by the size controlling of chromium carbide
Preferably horizontal.The heat treatment temperature of step 4 is 700 DEG C, heat treatment time 50min, and heat treatment is under an inert gas
It carries out.Between 20:1-8:1, extrusion temperature is controlled at 500 DEG C -700 DEG C the hot extrusion ratio of step 5.Carbon black in step 1
Accounting for reinforced phase raw material weight is 25%-30%.
Specific embodiment 6: a kind of chromium carbide reinforced aluminum matrix composites of heat release disperse in-situ preparation preparation, feature
It is, preparation method is as follows,
Step 1: by carbon black, electrolytic chromium powder and aluminium powder according to weight (1-2): 5:100 is uniformly mixed；
Step 2: the material after step 1 is gone out to use hot-forming method, briquet is made；
Step 3: heating briquet, carbon black and chromium powder reaction generate chromium carbide reinforced phase；
Step 4: above-mentioned element is subjected to enhancing element homogenization heat treatment；
Step 5: above-mentioned treated composite material is subjected to hot extrusion；
Step 6: hot rolling treatment is carried out more than recrystallization temperature；
Step 7: the alloy after step 6 is subjected to solution treatment.
Wherein, the partial size of electrolytic chromium powder is 400 mesh, and aluminium powder is superfine aluminium power, and the precision of aluminium powder is 16 ~ 30 μm, step 3
Kind the rate of heat addition be 15 DEG C/min, the heating temperature of step 3 is 1500 DEG C -1600 DEG C, and then by the size controlling of chromium carbide
Preferably horizontal.The heat treatment temperature of step 4 be 600 DEG C -800 DEG C, heat treatment time be 20 min-100min, heat at
Reason carries out under an inert gas.The hot extrusion ratio of step 5 is 8:1, and extrusion temperature is controlled at 800 DEG C.Carbon black accounts in step 1
Reinforced phase raw material weight is 25%.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (3)
1. a kind of thorax surgery retractor, which is characterized in that including fixed blade (1) and moving blade (2), fixed blade and movement
The end of blade is respectively equipped with the first hook portion (101) and the second hook portion (102) being used in conjunction with each other, and the tail portion of fixed blade is solid
Surely it is connected with rack gear (3), the tail portion of moving blade is equipped with the channel passed through for gear, and moving blade is equipped with a shaft
(501), shaft is fixedly connected with the gear with teeth portion (301) tooth sum on rack gear (3), and shaft is connected with control shaft rotation
Handle (5), first hook portion and fixed blade are integrated chemical conversion type, and second hook portion and moving blade are integrally melted into
Type.
2. thorax surgery retractor according to claim 1, which is characterized in that the fixed blade is fixedly connected with one
Fixed link (4), fixed link pass through moving blade, and movement can be moved relative to fixed bar.
3. thorax surgery retractor according to claim 2, which is characterized in that in the fixed link be located at fixed blade and
Nut (401) are equipped between moving blade, nut and fixed link are threadedly coupled, and nut is for limiting moving blade to fixed blade
It is mobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721102194.1U CN208551883U (en) | 2017-08-31 | 2017-08-31 | A kind of thorax surgery retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721102194.1U CN208551883U (en) | 2017-08-31 | 2017-08-31 | A kind of thorax surgery retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208551883U true CN208551883U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721102194.1U Expired - Fee Related CN208551883U (en) | 2017-08-31 | 2017-08-31 | A kind of thorax surgery retractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107510483A (en) * | 2017-08-31 | 2017-12-26 | 成都测迪森生物科技有限公司 | A kind of thorax surgery retractor |
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- 2017-08-31 CN CN201721102194.1U patent/CN208551883U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107510483A (en) * | 2017-08-31 | 2017-12-26 | 成都测迪森生物科技有限公司 | A kind of thorax surgery retractor |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20190831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |