CN105286949B - A kind of deep second degree burn high speed rotary cutting scab device - Google Patents
A kind of deep second degree burn high speed rotary cutting scab device Download PDFInfo
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- CN105286949B CN105286949B CN201510607874.8A CN201510607874A CN105286949B CN 105286949 B CN105286949 B CN 105286949B CN 201510607874 A CN201510607874 A CN 201510607874A CN 105286949 B CN105286949 B CN 105286949B
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- scab
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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
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
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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
- A61B17/32—Surgical cutting instruments
- A61B17/3209—Incision instruments
- A61B17/32093—Incision instruments for skin incisions
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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
- A61B17/32—Surgical cutting instruments
- A61B2017/320004—Surgical cutting instruments abrasive
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Dermatology (AREA)
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- Mechanical Engineering (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of high speed rotary cutting scab device of deep second degree burn, including cutter head, cutter head is connected by transmission mechanism with rotating power source, and vibrating mechanism is provided with the middle of transmission mechanism, and cutter head includes knife rest, provided with the cutter that several are used to cut scab on knife rest;Beneficial effects of the present invention:Cutter is using the wedge structure bent and sets flexible member, so that cutting has flexible pliability, it can bear to cut scab load and change within the specific limits, improve force-bearing situation, and during more than the predetermined load upper limit, automatic retracted, avoid burned part from crossing to cut and occur malpractice, by setting negative-pressure adsorption pipe, realize the collection for being removed incrustation chip, avoid dropping into device or other space positions, also ensure that the cleaning that device is used, whole device has the advantages that compact conformation, medical effect are good, stain resistance is strong, be convenient for carrying.
Description
Technical field
The present invention relates to a kind of deep second degree burn high speed rotary cutting scab device, belong to accurate medical instruments field.
Background technology
Deep second degree burn for a period of time afterwards can be in skin surface formation incrustation phenomenon.Place after being formed a scab for deep second degree burn
Reason is usually to be removed scab using medicine equipment, improves skin surface, skin grafting is then carried out again, so that burn is had
Effect treatment.
Processing deep second degree burn is gone in the medicine equipment of scab both at home and abroad at present, and the application of dermabrasion device and medical technology is more
Extensively, but the temperature that produces of dermabrasion process is higher, and the chip of formation is more intractable etc., operating difficulty is added, and seriously restrict
The rehabilitation of fire victim, meanwhile, cut scab device and its application technology and develop less by contrast, and cut scab be not present it is deep two degree
The molten scab process of burn wound, can reduce patient pain, and substantially reduce to deep second degree burn trauma surface infestation and systemic infection
Possibility, it is therefore desirable to study the rotary cutting scab device for deep second degree burn.
The content of the invention
The purpose of the present invention is exactly to cut scab mode there is provided one kind use to solve the above problems to be removed incrustation
, the deep second degree burn high speed rotary cutting scab device that can effectively remove slough, retain health tissues and Denatured dermis tissue.
To achieve these goals, the present invention is adopted the following technical scheme that:
A kind of deep second degree burn high speed rotary cutting scab device, including cutter head, cutter head pass through transmission mechanism and rotating power source
Connection, is provided with vibrating mechanism in the middle of transmission mechanism, and cutter head includes knife rest, provided with the knife that several are used to cut scab on knife rest
Tool;Using vibrating mechanism so that can operationally produce high-frequency axial vibration, dither improves and cuts scab efficiency, improves
Cut scab quality.
Further, the transmission mechanism is arranged in hollow frame, is provided with to be used to adsorb in the frame and is cut
The adsorbing mechanism of the burn incrustation chip removed, the burned skin incrustation chip of resected generation is carried out at absorption by adsorbing mechanism
Reason, it is to avoid chip enters the other positions or other space positions of device.
Further, the vibrating mechanism includes ultrasonic vibrator, ultrasonic vibrator include the ultrasonic transducer that is connected and
Ultrasonic amplitude transformer, ultrasonic amplitude transformer is connected with rotary shaft, and ultrasonic transducer is connected with the rotating power source, and ultrasonic vibrator is real
The vibration of the small amplitude of high-frequency is showed, has reduced stress, be easy to cut scab.
Further, the transmission mechanism includes rotary shaft, and the knife rest is solid centered on the axis of the rotary shaft
It is scheduled on outside rotary shaft, the continuous cutting that ensure that incrustation is so set.
Further, the knife rest is in cylinder, and the bottom of the cutter is fixed on the knife rest, and cutter body is the bottom of from
Portion is to point of a knife in the wedge shape bent, and such setting causes when there is multiple cutters to be fixed on knife rest outer surface, multiple cutters
Point of a knife realizes the removing to incrustation by the compound action cut and scraped towards same direction.
Further, some row of openings grooves are provided with the knife rest, the composite plate for being provided with opening is fixed in holder surface, it is multiple
Open slot in the opening and knife rest of plywood cooperatively forms the T-slot for fixed cutting tool.
Further, the bottom of the cutter is T-shaped, equidirectional in the T-slot described in every row to be fixed with several institutes
The cutter stated, cutter is fixed on by spiral form on described knife rest, is securely fixed by such be provided with beneficial to cutter
Between knife rest and composite plate.
Further, flexible member is provided with the bottom sidewall of the cutter and the opening groove sidewall of the knife rest, is led to
Cross the setting of flexible member so that cutter has flexible pliability, i.e., because the setting of flexible member causes device when rotating at a high speed
Self-excitation forms high frequency radial vibration, can bear to cut scab load and changes within the specific limits, and the flexible pliability of radial direction can be avoided
When exceeding certain stress load during cutting scab, cutter is stuck, and stress will be kept away when exceeding setting load toward center retraction
Exempt from cutter it is stuck while, be also automatically prevented from cutting the mistake of burned part, protected health tissues and Denatured dermis tissue.
Further, the adsorbing mechanism includes negative-pressure adsorption pipe, and one end of negative-pressure adsorption pipe is located at cutter working face,
The other end is connected with blower fan, and debris collection device is provided with negative-pressure adsorption pipe, inside negative-pressure adsorption pipe provided with sorbing material or
Filtration.
Further, the rotary shaft is connected by first shaft coupling with the vibrating mechanism, and the vibrating mechanism passes through
Second shaft coupling is connected with rotating power source.
Further, the cutting edge (from T-shaped upper base surface to point of a knife) of cutter is arranged on the side of cutter lower surface,
Opposite side is cammed surface, is fixed with the inclined wedge pressing plate for having same tilt angle with cammed surface on knife rest, and cammed surface is from cutting edge
The end face of from bottom to cutter bottom be inclined upwardly.
Further, tightening pressing plate is fixed with inclined wedge pressing plate, tightening pressing plate is used to fix inclined wedge pressing plate, composite plate
Together.
Further, screen pack is that hole is provided with the middle of double-decker, the upper strata of screen pack, and lower floor is web pore structure, on
It is evenly equipped with the hole that radius is 1mm.
Further, rotating power source is high-speed rotary motor.
Further, cutter material medical titanium alloy material.
Further, the material of knife rest, composite plate and spring is steel alloy.
The present invention operation principle be:When in use, the hand-held handle being fixed on outside frame, turns on the power, is operated,
Cut self-excitation when scab device rotates at a high speed and form high frequency radial vibration, stretching has pliability;Meanwhile, vibrating mechanism makes dress during work
Generation high-frequency axial vibration is put, dither when device works can improve and cut scab efficiency high, improve and cut scab quality and mitigate
Patient pain.Cutter material uses medical titanium alloy, and cutters layout is cut off in T-slot, during work using helical arrangement and is suffered from
The skin incrustation of person's burned part.Negative-pressure adsorption pipe is provided with cutting incrustation, by sorbing material or filtration by skin
Chip of forming a scab carries out adsorption treatment, it is to avoid chip enters the other positions of device.High speed rotary cutting scab device is to patient's burned part
During processing, the plane eschar of burned part is removed first with the cutter for cutting scab device, is then selected according to the pattern of burned part
Local necrosis eschar is removed with the small size cutter of different-diameter, belongs to Minimally Invasive Surgery, Denatured dermis and health can be retained
Human skin tissue.
Compared with prior art, the present invention has advantages below:
1) device carries out cutting scab using high speed rotating power source and cutter, is cut because the setting of flexible member is not only reduced
Load is cut, and causes radial expansion that there is pliability, it is considered to the compatibility of cutter material and human body body tissue, it is to avoid is occurred
Rejection, considers biocompatible, from the preferable medical titanium alloy material of compatibility when designing cutter.In line with peace
Complete easy-operating principle, cutter can be born to cut scab load and changed within the specific limits using the wedge structure of bending, improve stress
Situation, and during more than the predetermined load upper limit, automatic retracted, it is to avoid burned part, which is crossed, to be cut and occur malpractice.
2) Cutting tool installation manner arrangement employs helical arrangement in T-slot, it is ensured that the continuous effective of incrustation is removed, and mitigates patient
Pain.
3) the generally setting of ultrasonic vibrator, carries out the vibration of the small amplitude of high-frequency, reduces stress, be easy to cut during work
Scab.
4) by setting negative-pressure adsorption pipe, the collection of removed chip is realized, it is to avoid drop into device or other
Fly upward everywhere in space, it is ensured that the cleaning that uses.
5) whole device has the advantages that compact conformation, medical effect are good, stain resistance is strong, is convenient for carrying and uses, medical treatment
During go scab method with cutting scab machinery, can effectively remove burn slough, retain health tissues and Denatured dermis tissue.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the tool parts outside drawing of the present invention;
Fig. 3 is the absorber partial appearance figure of the present invention;
Fig. 4 is the cutter operation principle schematic diagram of the present invention;
Cutter when Fig. 4 (a) is the non-stress of cutter in the present invention;
Cutter when Fig. 4 (b) is cutter stress in the present invention;
The tool parts structure that Fig. 5 is the present invention is intended to;
Fig. 6 is the ultrasonic vibration part-structure figure of the present invention;
Fig. 7 (a) is the side view of cutter in the present invention;
Fig. 7 (b) is the front view of cutter in the present invention;
Fig. 7 (c) is the top view of cutter in the present invention;
Wherein, 1. knife rest, 2. composite plates, 3. cutters, 4. inclined wedge pressing plates, 5. spring bases and spring, 6. tightening pressing plates, 7. is tight
Gu screw, 8. screen packs, 9. locking planar screws, 10. rotary shafts, 11. right end caps, 12. flat locking nuts, 13. left end caps,
14. holding screw, 15. first shaft couplings, 16. left end shafts, 17. bearing left end caps, 18. holding screws, 19. frames, 20. double ends
Screw, 21. ultrasonic amplitude transformers, 22. ultrasonic transducers, 23. second shaft couplings, 24. right-hand member axles, 25. bearings, 26. ring plates,
27. bearing right end cap, 28. absorption pipe holders, 29. adsorption tube rotary shafts, 30. negative-pressure adsorption pipes, 31. adsorbing mechanisms, 32. vibrations
Mechanism, 33. handles, 34. electric rotating machines, 35. cammed surfaces, 36.T types bottom.
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of deep second degree burn high speed rotary cutting scab device, as shown in figure 1, cutter head passes through transmission mechanism and rotating power source
Connection, is provided with vibrating mechanism in the middle of transmission mechanism, and cutter head includes knife rest 1, provided with the knife that several are used to cut scab on knife rest 1
Tool 3;Rotating power source self-excitation when high speed rotates forms high frequency radial vibration, and stretching has pliability, using vibrating mechanism, makes
High-frequency axial vibration can operationally be produced by obtaining, and dither, which is improved, cuts scab efficiency, and scab quality is cut in improvement, in the frame
19 are provided with the adsorbing mechanism 31 for being used for adsorbing skin incrustation chip.
The installation and cooperation of wherein cutter are uniformly to be provided with rectangular channel on knife rest 1, and composite plate 2 is arranged on into knife rest 1
On, there is boss the upper surface of composite plate 2, is easy to block cutter 3 from the both sides of cutter 3, both cooperatively form T-slot.The bottom of cutter 3
It is T-shaped bottom 36, it is equidirectional in each T-slot to fix three cutters 3, by cutter 3 according to spiral assembled in sequence to T-slot
It is interior.As shown in figure 1, it is 3 ° of inclined-plane to be all provided with cutter 3 and the structure design of inclined wedge pressing plate 4 gradient, shape after the completion of both assemble
Wedgewise structure, spring base and its spring 5 are equipped with the back of cutter 3, and spring one end is fixed with the bottom of cutter 3, and the other end is fixed
Ensure to cut scab cutter 3 on the side wall of the rectangular channel of knife rest 1, in structure with certain retractility, can only be offset to spring direction,
Ensure that cutter 3 carries out cutter 3 when stress is excessive suddenly and bounced back, cutter stress and non-stress as shown in Fig. 4 (a) and Fig. 4 (b)
When state.Every piece of tightening pressing plate 6 is placed on every piece of inclined wedge pressing plate 4, with holding screw 7 by knife rest 1, composite plate 2, wedge
Pressing plate 4 and tightening pressing plate 6 are fixed together, by screen pack 8 using locking planar screw 9 and spline structure is fixed on rotary shaft 10
On.For alleviator quality, portable operation, screen pack 8 is to be provided with hole in the middle of double-decker, the upper strata of screen pack 8, and lower floor is
Web pore structure, is above evenly equipped with the hole that radius is 1mm.Splined hole is provided with right end cap 11 and left end cap 13, both are assembled
Onto the spline of centre rotational axis (splined shaft) 10, left end cap 13 and right end cap 11 are fixed on knife rest 1 using holding screw 14
Both sides on.Finally, being locked for end face is carried out using flat locking nut 12;In addition, the size of knife rest 1 is slightly larger than frame
19 size.
It is preferred that the material of cutter 3 be medical titanium alloy material, and with high hardness and anti-wear performance, enough toughness
And intensity, preferable heat resistance, the bottom of cutter 3 is fixed on knife rest 1, the body of cutter 3 from bottom to point of a knife in bending wedge
Shape, such setting causes when there is multiple cutters 3 to be fixed on 1 outer surface of knife rest, and the points of a knife of multiple cutters 3 is towards same side
To by cutting and scraping the removing realized to incrustation;The structure chart of cutter 3 such as Fig. 7 (a), 7 (b) and 7 (c) are shown, cutter preferably
3 angle is:12 ° of anterior angle, 60 ° of tool cutting edge angle, 40 ° of relief angle, 64 ° of auxiliary angle, 6 ° of cutting edge inclination.After the back side is processed at other point of a knife
Thickness is about arc transition at 0.08-1mm, point of a knife.
As shown in fig. 6, rotary shaft 10 is connected by first shaft coupling 15 with the left end shaft 16 in vibrating mechanism, left end shaft 16
Coupled with taper ultrasonic amplitude transformer 21 using dowel screw 20, ultrasonic amplitude transformer 21 is connected with the structure of ultrasonic transducer 22, bored
Shape ultrasonic variable amplitude bar 21 is coupled with second shaft coupling 23 with right-hand member axle 24, and the bearing (deep groove ball bearing) 25 of vibrating mechanism 32 is put
Put in frame 19, bearing left end cap 17 is fixed together using holding screw 18 with frame 19, bearing right end cap 27 utilizes spiral shell
Line structure couples with frame 19, equipped with gap ring plate 26 is axially adjusted between bearing right end cap 27 and deep groove ball bearing 25, uses rotary shaft
The tune gap that the movement of right end cap 27 adjusts gap ring plate 26 to carry out bearing axial direction is held, bearing right end cap 27 is connected to electric machine casing, electric rotating
Machine 34 is arranged in electric machine casing, and right-hand member axle 16 connects the main shaft of electric rotating machine 34, and left end shaft 16 and right-hand member axle 24 constitute biography
The agent structure of motivation structure.
The front end of bearing right end cap 27 is threaded, and two interstructural distances of annular end face are 10mm, bearing right end cap 27
There are four bolts hole.
It is 2mm axially to adjust 26 thickness of gap ring, and the thickness of inner ring is 1mm, and material is steel alloy.
Ultrasonic amplitude transformer 21 is pyramid type, and the taper of pyramid type ultrasonic amplitude transformer 21 is 22 °, and two ends are provided with thread connection knot
Structure, belongs to the longitudinal vibration ultrasonic transformer of 1/2nd wavelength, and material is titanium alloy.
Ultrasonic transducer 22 uses piezoelectric energy-conversion material, and ultrasonic transducer 22 is powered by extraneous power supply.
Adsorbing mechanism 31 includes absorption pipe holder 28, adsorption tube rotary shaft 29, negative-pressure adsorption pipe 30 and external motor, absorption
Device support 28 is arranged in frame, and circumferencial direction can be adjusted, and adsorption tube 30 is rotated by adsorbing the absorber on pipe holder 28
Axle 29 is supported, and debris collection device is provided with negative-pressure adsorption pipe 30, adsorption tube 30 can be adjusted and cut the angle between scab cutter 3
Degree and distance, negative-pressure adsorption pipe 30 are bending, the working face of one end of negative-pressure adsorption pipe 30 close to cutter 1.Revolved with adsorption tube
Rotating shaft 29 carries out the angle adjustment of negative-pressure adsorption pipe 30, it is easy to adsorb, the pressure of adsorption structure 31 can manual adjustment, be adapted to absorption broken
Bits.
The handle 33 and its external structure of described device use high-strength PVC material.
Embodiment 2
A kind of deep second degree burn high speed rotary cutting scab device, as shown in figure 1, cutter head passes through transmission mechanism and rotating power source
Connection, is provided with vibrating mechanism in the middle of transmission mechanism, and cutter head includes knife rest 1, provided with the knife that several are used to cut scab on knife rest 1
Tool 3.
Wherein, vibrating mechanism 32 is electromagnetic vibrator.
Rotating power source is electric rotating machine.
In the form of sheets, bottom is movably fixed on knife rest 1 cutter, is bent in the middle part of cutter, and bending angle is 70 °~90 °, cutter
It is fixed in the same direction on knife rest, tool arc transition.
Other technical characteristics in the embodiment are identical with embodiment 1.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (6)
1. a kind of deep second degree burn high speed rotary cutting scab device, it is characterised in that including cutter head, cutter head passes through transmission mechanism and rotation
Rotatory force source is connected, and vibrating mechanism is provided with the middle of transmission mechanism, and cutter head includes knife rest, provided with several for cutting on knife rest
The cutter of scab;
The vibrating mechanism includes ultrasonic vibrator, and ultrasonic vibrator includes the ultrasonic transducer and ultrasonic amplitude transformer being connected, surpassed
Sound ultrasonic transformer is connected with rotary shaft, and ultrasonic transducer is connected with the rotating power source;
Some row of openings grooves are provided with the knife rest, is fixed in holder surface and is provided with the composite plate of opening, the opening of composite plate and
Open slot on knife rest cooperatively forms the T-slot for fixed cutting tool;
Flexible member is provided with the bottom sidewall of the cutter and the opening groove sidewall of the knife rest.
2. rotary cutting scab device as claimed in claim 1, it is characterised in that the transmission mechanism is arranged on hollow frame
It is interior, the adsorbing mechanism for being used for adsorbing removed burn incrustation chip is provided with the frame, the adsorbing mechanism includes negative
Adsorption tube is pressed, one end of negative-pressure adsorption pipe is located at cutter working face, and the other end is connected with blower fan, be provided with inside negative-pressure adsorption pipe
Sorbing material or filtration.
3. rotary cutting scab device as claimed in claim 1, it is characterised in that the transmission mechanism includes rotary shaft, the knife
Frame is fixed on outside rotary shaft centered on the axis of the rotary shaft.
4. rotary cutting scab device as claimed in claim 1, it is characterised in that the knife rest is in cylinder, the bottom of the cutter
Portion is fixed on the knife rest, and cutter body is from bottom to point of a knife in the wedge shape bent.
5. rotary cutting scab device as claimed in claim 1, it is characterised in that the bottom of the cutter is T-shaped, described in every row
T-slot in the equidirectional cutter being fixed with described in several, cutter is fixed on by spiral form on described knife rest.
6. rotary cutting scab device as claimed in claim 3, it is characterised in that the rotary shaft by first shaft coupling with it is described
Vibrating mechanism is connected, and the vibrating mechanism is connected by second shaft coupling with rotating power source.
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CN201510607874.8A CN105286949B (en) | 2015-09-22 | 2015-09-22 | A kind of deep second degree burn high speed rotary cutting scab device |
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CN201510607874.8A CN105286949B (en) | 2015-09-22 | 2015-09-22 | A kind of deep second degree burn high speed rotary cutting scab device |
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CN105286949A CN105286949A (en) | 2016-02-03 |
CN105286949B true CN105286949B (en) | 2017-09-29 |
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CN112826574A (en) * | 2021-01-11 | 2021-05-25 | 瑁磋矾 | Burn scab remover for dermatology |
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US8192451B2 (en) * | 2008-06-05 | 2012-06-05 | Cardiovascular Systems, Inc. | Cutting and coring atherectomy device and method |
US20140148822A1 (en) * | 2012-11-26 | 2014-05-29 | Nahayan Ameen Abdulla Ibrahim Al Mahza | Method and apparatus for polishing human skin |
CN104398274B (en) * | 2014-10-22 | 2016-11-16 | 山东省立医院 | Electronic for deep-degreeburn cuts crust machine |
CN104257406B (en) * | 2014-10-22 | 2016-08-17 | 山东省立医院 | A kind of adjustable electric negative pressure scab grinding machine |
CN204192678U (en) * | 2014-11-07 | 2015-03-11 | 杨加保 | A kind of burn scab scraping instrument |
CN204260774U (en) * | 2014-12-03 | 2015-04-15 | 张金录 | Burn wound dermabrasion machine |
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