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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
cutter
knife rest
scab
fixed
rotary cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510607874.8A
Other languages
Chinese (zh)
Other versions
CN105286949A (en
Inventor
刘战强
梁晓亮
宋清华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong University
Original Assignee
Shandong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong University filed Critical Shandong University
Priority to CN201510607874.8A priority Critical patent/CN105286949B/en
Publication of CN105286949A publication Critical patent/CN105286949A/en
Application granted granted Critical
Publication of CN105286949B publication Critical patent/CN105286949B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/320068Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3205Excision instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B17/3209Incision instruments
    • A61B17/32093Incision instruments for skin incisions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B2017/320004Surgical cutting instruments abrasive

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Dentistry (AREA)
  • 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

A kind of deep second degree burn high speed rotary cutting scab device
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.
CN201510607874.8A 2015-09-22 2015-09-22 A kind of deep second degree burn high speed rotary cutting scab device Active CN105286949B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510607874.8A CN105286949B (en) 2015-09-22 2015-09-22 A kind of deep second degree burn high speed rotary cutting scab device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510607874.8A CN105286949B (en) 2015-09-22 2015-09-22 A kind of deep second degree burn high speed rotary cutting scab device

Publications (2)

Publication Number Publication Date
CN105286949A CN105286949A (en) 2016-02-03
CN105286949B true CN105286949B (en) 2017-09-29

Family

ID=55185267

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510607874.8A Active CN105286949B (en) 2015-09-22 2015-09-22 A kind of deep second degree burn high speed rotary cutting scab device

Country Status (1)

Country Link
CN (1) CN105286949B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112826574A (en) * 2021-01-11 2021-05-25 瑁磋矾 Burn scab remover for dermatology

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
CN105286949A (en) 2016-02-03

Similar Documents

Publication Publication Date Title
US11272949B2 (en) Ultrasonic surgical drill and associated surgical method
US4079733A (en) Percussion vibrator device for treatment of patients to assist expectoration of retained secretions
CN102510738B (en) Ribbed surgical bur
JP2016531617A (en) Ultrasonic surgical instrument with two end effectors
CN110090058B (en) Adjustable type sawing resection device for intervertebral disc under spinal endoscope
CN105286949B (en) A kind of deep second degree burn high speed rotary cutting scab device
CN104470448B (en) Ultrasonic surgical micromachine
CN104257406A (en) Adjustable power-driven negative pressure scab grinding machine
CN107348996A (en) A kind of scalpel of blade easy to disassemble
US20230157787A1 (en) Root canal therapy device with mechanical vibration mode and rotation drive mode
CN206777462U (en) A kind of orthopaedic gypsum saw
CN203388927U (en) Joint surgery grinding knife
CN110711009B (en) Adjustable shear type intervertebral disc resection device under backbone scope
CN2369637Y (en) Multifunction electric surgical device for orthopedic department
CN213787664U (en) External shock wave lithotripter with hand-held type rubble shock wave head
CN209172632U (en) A kind of orthopaedics leg restraint
CN114224424A (en) Longitudinal ultrasonic vibration composite reciprocating sternum saw
CN207745162U (en) orthopaedic scraper
CN216317821U (en) Round depth-limiting electric bone saw for acetabulum
CN112315546A (en) Bladder stone breaking device
CN111956332A (en) Surgical robot for intervertebral foramen mirror
CN210990561U (en) Adjustable type sawing resection device for intervertebral disc under spinal endoscope
CN206275720U (en) A kind of ultrasonic reamer for hip arthroplasty,acetabulum and its file head suitable for minimally invasive total hip replacement
CN114246633B (en) Circular depth-limiting electric bone saw for acetabulum
CN106038186B (en) A kind of brain massage robot for medical cranial surgery

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant