US Patent Class 600
SURGERY




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Current as of: June, 1999
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  DF  CLASS NOTES
300  DF  DIAGNOSTIC TESTING
301  DF  .~ Via monitoring a plurality of physiological data, e.g., pulse and blood pressure
302  DF  .~ Endoradiosonde
303  DF  .~ Olfactometer
304  DF  .~ Readiness to give birth
305  DF  .~ Hazardous current flow conditions
306  DF  .~ Measurement of skin parameters
307  DF  .~ Determining rate of fluid loss from body surface
308  DF  .~ Physical characteristics of electrolytes
309  DF  .~ Measuring or detecting nonradioactive constituent of body liquid by means placed against or in body throughout test
310  DF  .~.~ Infrared, visible light, or ultraviolet radiation directed on or through body or constituent released therefrom
311  DF  .~.~.~ Partial pressure of constituent
312  DF  .~.~.~.~ Using a fluorescent material
313  DF  .~.~.~.~ Fetal tissue
314  DF  .~.~.~ Foreign substance
315  DF  .~.~.~ Bilirubin
318  DF  .~.~.~ Determining constituents in eye
319  DF  .~.~.~.~ Glucose
320  DF  .~.~.~.~ Hemoglobin
321  DF  .~.~.~.~ Using fluorescent emission determination
316  DF  .~.~.~ Glucose
317  DF  .~.~.~ By fluorescent emission
322  DF  .~.~.~ Determining blood constituent
323  DF  .~.~.~.~ Oxygen saturation, e.g., oximeter
324  DF  .~.~.~.~.~ And other cardiovascular parameters
325  DF  .~.~.~.~.~.~ Inserted in body
326  DF  .~.~.~.~.~ And other blood constituents
327  DF  .~.~.~.~.~.~ Inserted in body
328  DF  .~.~.~.~.~.~ Hemoglobin
329  DF  .~.~.~.~.~ Using a fluorescing material
330  DF  .~.~.~.~.~ Separation of ac/dc components in signal
331  DF  .~.~.~.~.~ Calibrated
332  DF  .~.~.~.~.~.~ Inserted in body
333  DF  .~.~.~.~.~ Used in conjunction with associated apparatus (e.g., pacemaker)
334  DF  .~.~.~.~.~ With tissue perfusion
335  DF  .~.~.~.~.~ Pressurization of body portion performed
336  DF  .~.~.~.~.~ Detects constituents while excluding components (e.g., noise)
337  DF  .~.~.~.~.~ Structure preventing contact of body inserted fiber with internal body portions
338  DF  .~.~.~.~.~ Fetal tissue
339  DF  .~.~.~.~.~ Inserted in body
340  DF  .~.~.~.~.~ Measured at specified areas of body portions
341  DF  .~.~.~.~ Inserted in body
342  DF  .~.~.~ Light conducting fiber inserted in body
343  DF  .~.~.~.~ Digestive tract
344  DF  .~.~.~ Mounting structure (e.g., belt, etc.)
345  DF  .~.~ Electroanalysis
346  DF  .~.~.~ Sweat analysis
347  DF  .~.~.~ Blood glucose
348  DF  .~.~.~ Determining ion concentration/partial pressure
349  DF  .~.~.~.~ Oral fluids
350  DF  .~.~.~.~ Esophageal or gastrointestinal fluids
351  DF  .~.~.~.~ Fetal
352  DF  .~.~.~.~ Using a flowthrough cell
353  DF  .~.~.~.~ Carbon dioxide or other gases
354  DF  .~.~.~.~.~ Transcutaneous
355  DF  .~.~.~.~ Oxygen tension
356  DF  .~.~.~.~.~ Eye
357  DF  .~.~.~.~.~ Transcutaneous
358  DF  .~.~.~.~.~.~ Including tissue perfusion
359  DF  .~.~.~.~.~.~ Temperature compensated
360  DF  .~.~.~.~.~ Internal
361  DF  .~.~.~.~ pH
362  DF  .~.~ Absorbent patch for fluid analysis
363  DF  .~.~ Perfusion detection
364  DF  .~.~ Blood gas
365  DF  .~.~ Glucose measurement
366  DF  .~.~ Equilibration and analysis of fluid
367  DF  .~.~ Holder for color indicator (e.g., fertility tester)
368  DF  .~ Physical characteristics of blood
369  DF  .~.~ Coagulation
370  DF  .~ Erythrocyte sedimentation rate/viscosity
371  DF  .~ Bleeding detection
372  DF  .~ Structure of body-contacting electrode or electrode inserted in body
373  DF  .~.~ Electrode placed in body
374  DF  .~.~.~ Electrode placed in or on heart
375  DF  .~.~.~.~ Anchored
376  DF  .~.~.~ Fetal monitoring
377  DF  .~.~.~ Electrode implanted in body
378  DF  .~.~.~ Electrode in brain
379  DF  .~.~.~ Electrode in ear
380  DF  .~.~.~ Electrode in esophagus or pharynx
381  DF  .~.~.~ Electrode in artery or blood vessel
382  DF  .~.~ Electrode attached to or positioned relative to a specific external body portion
383  DF  .~.~.~ Head or eye
384  DF  .~.~.~ Attached to one of the body's extremities
385  DF  .~.~.~ Radiolucent
386  DF  .~.~ Means for attaching electrode to body
387  DF  .~.~.~ Suction
388  DF  .~.~.~ Garment
389  DF  .~.~.~.~ Vest
390  DF  .~.~.~ Belt or strap
391  DF  .~.~.~ Adhesive
392  DF  .~.~.~.~ Having release sheet
393  DF  .~.~ Plural electrodes carried on single support
394  DF  .~.~ Head and socket connector for attaching lead to electrode
395  DF  .~.~ Electrode composition
396  DF  .~.~.~ Silver/silver chloride containing
397  DF  .~.~.~ Electrolyte containing
398  DF  .~ Testing aqueous humor pressure or related condition
399  DF  .~.~ Measuring impedance to flow of aqueous humor (tonometry)
400  DF  .~.~ Measuring acoustic impedance of eye
401  DF  .~.~ Fluid jet directed against eye
402  DF  .~.~ Eye vibrated
403  DF  .~.~ Pressure indicator includes liquid column
404  DF  .~.~ Pressure indicator includes pointer swingable over scale and mechanically driven by eye contacting means
405  DF  .~.~ Measuring force required to produce standard or measured eye flattening (applanation)
406  DF  .~.~.~ Disposable or sterilizable eye contacting structure
407  DF  .~ Detecting nuclear, electromagnetic, or ultrasonic radiation
408  DF  .~.~ Using neural network or trainable (adaptive) system
409  DF  .~.~ Magnetic field sensor (e.g., magnetometer, SQUID)
410  DF  .~.~ Magnetic resonance imaging or spectroscopy
411  DF  .~.~.~ Combined with therapeutic or diverse diagnostic device
412  DF  .~.~.~ Temperature detection
413  DF  .~.~.~ With triggering or gating device
414  DF  .~.~.~ Using fiducial marker
415  DF  .~.~.~ With means for positioning patient or body part
416  DF  .~.~.~ Simulation of modeling
417  DF  .~.~.~ With stereotactic device
418  DF  .~.~.~ With means for communicating with patient
419  DF  .~.~.~ Of fluid flow
420  DF  .~.~.~ Using detectable material placed in body
421  DF  .~.~.~ Including any system component contacting (internal or external) or conforming to body or body part
422  DF  .~.~.~.~ Coil
423  DF  .~.~.~.~.~ With means for inserting into a body
424  DF  .~.~ With means for determining position of a device placed within a body
425  DF  .~.~ With tomographic imaging obtained from electromagnetic wave
426  DF  .~.~.~ Using fiducial marker
427  DF  .~.~.~ Combined with therapeutic or diagnostic device
428  DF  .~.~.~ With triggering or gating device
429  DF  .~.~.~ With stereotactic device
430  DF  .~.~ With microwave carrier signal
431  DF  .~.~ Detectable material placed in body
432  DF  .~.~.~ Piston-type ram forces material into body
433  DF  .~.~.~ Using flexible catheter
434  DF  .~.~.~.~ Catheter guide means
435  DF  .~.~.~.~ Catheter structure
436  DF  .~.~ Nuclear radiation (e.g., radioactive emission, etc.)
437  DF  .~.~ Ultrasonic
438  DF  .~.~.~ Used as an indicator of another parameter (e.g., temperature, pressure, viscosity)
439  DF  .~.~.~ With therapeutic device
440  DF  .~.~.~ Plural display mode systems
441  DF  .~.~.~.~ Having B-scan and Doppler
442  DF  .~.~.~ Tissue attenuation or impedance measurement or compensation
443  DF  .~.~.~ Anatomic image produced by reflective scanning
444  DF  .~.~.~.~ With mechanical and electronic scanning
445  DF  .~.~.~.~ Mechanical scanning
446  DF  .~.~.~.~.~ Hand-held unit
447  DF  .~.~.~.~ Electronic array scanning
448  DF  .~.~.~ Through-transmission (e.g., time-of-flight) imaging
449  DF  .~.~.~ One-dimensional anatomic display or measurement
450  DF  .~.~.~.~ Cardiographic
451  DF  .~.~.~.~ Echoencephalography
452  DF  .~.~.~.~ Ophthalmic
453  DF  .~.~.~ Doppler effect (e.g., fetal HR monitoring)
454  DF  .~.~.~.~ Blood flow studies
455  DF  .~.~.~.~.~ Pulse Doppler
456  DF  .~.~.~.~.~.~ With volumetric measurement
457  DF  .~.~.~.~.~ CW Doppler
458  DF  .~.~.~ Contrast enhancement
459  DF  .~.~.~ Structure of transducer or probe assembly
462  DF  .~.~.~.~ Probe placed in vascular system or body orifice
463  DF  .~.~.~.~.~ With acoustical or display imaging
464  DF  .~.~.~.~.~ Having puncturing means thereon
466  DF  .~.~.~.~.~ Catheter
467  DF  .~.~.~.~.~.~ Intravascular
468  DF  .~.~.~.~.~.~.~ With blood flow measurement or detection
469  DF  .~.~.~.~.~.~.~.~ Detecting emboli
470  DF  .~.~.~.~.~.~.~ By inflatable ballon
471  DF  .~.~.~.~.~.~ Tool (e.g., ablation, abrasion, cutting)
465  DF  .~.~.~.~.~ Blood flow measurement
472  DF  .~.~.~.~ With beam directing or shaping means in the wave path (e.g., lens, reflector)
461  DF  .~.~.~.~ Associated with puncturing instrument
473  DF  .~.~ Infrared radiation
474  DF  .~.~.~ Temperature detection
475  DF  .~.~.~ With comparison means (e.g., ratio of or comparison to a standard)
476  DF  .~.~ Visible light radiation
477  DF  .~.~.~ With comparison means (e.g., ratio of or comparison to a standard)
478  DF  .~.~.~ Light conducting fiber inserted into a body
479  DF  .~.~.~ Cardiovascular testing
480  DF  .~.~.~.~ Pressure in blood vessel
481  DF  .~ Cardiovascular
482  DF  .~.~ Measuring resistance of capillary blood vessels to hemorrhage
483  DF  .~.~ Simultaneously detecting cardiovascular condition and diverse body condition
484  DF  .~.~.~ Detecting respiratory condition
485  DF  .~.~ Measuring pressure in heart or blood vessel
486  DF  .~.~.~ Testing means inserted in body
487  DF  .~.~.~.~ Pressure indicator includes liquid column
488  DF  .~.~.~.~ Pressure transducer structure
489  DF  .~.~.~ Ophthalmodynamometer
490  DF  .~.~.~ Force applied against skin to close blood vessel
491  DF  .~.~.~.~ Hand-supported occluder
492  DF  .~.~.~.~ Tester having plural occluders, or single occluder and separate pressurized pulse sensing cuff or cushion
493  DF  .~.~.~.~ Electric signal generated by sensing means responsive to pulse or Korotkoff sounds
494  DF  .~.~.~.~.~ Pulse-induced pressure fluctuation in occluder generates electric signal
495  DF  .~.~.~.~.~ Pressure in inflatable occluder automatically raised above systolic pressure
496  DF  .~.~.~.~.~.~ Repeating pressurization cycle
497  DF  .~.~.~.~ Pressure indicator includes liquid column
498  DF  .~.~.~.~ Valve structure
499  DF  .~.~.~.~ Occluder structure
500  DF  .~.~ Detecting blood vessel pulsation
501  DF  .~.~.~ Waveform graph-type pulse recorder
502  DF  .~.~.~ Pulse indicator
503  DF  .~.~.~.~ Entire testing assembly supported on wrist
504  DF  .~.~ Measuring blood flow in body portion other than heart
505  DF  .~.~.~ Sensing means inserted in blood vessel
506  DF  .~.~.~ By detecting electrical impedance of body portion
507  DF  .~.~.~ By detecting volume of body portion
508  DF  .~.~ Heart
509  DF  .~.~.~ Detecting heartbeat electric signal
510  DF  .~.~.~.~ Testing artificially regulated or assisted heart
511  DF  .~.~.~.~ Fetal heartbeat
512  DF  .~.~.~.~ Orthogonal heartbeat electric signals combined to form vector signal
513  DF  .~.~.~.~ Detecting heartbeat electric signal and diverse cardiovascular characteristic
514  DF  .~.~.~.~ Sound generated by successive heartbeat electric signals to represent heart action
515  DF  .~.~.~.~ Detecting arrhythmia
516  DF  .~.~.~.~.~ Variation in duration of segment of PQRST signal waveform (e.g., QRS complex, etc.) detected
517  DF  .~.~.~.~.~ Vertical variation of PQRST signal waveform (e.g., amplitude of QRS complex, etc.) detected
518  DF  .~.~.~.~.~ Tachycardia or fibrillation detected
519  DF  .~.~.~.~ Detecting signal repetition rate
520  DF  .~.~.~.~.~ Detecting means associated with exercise machine
521  DF  .~.~.~.~ Detecting R portion of signal waveform
522  DF  .~.~.~.~ Switching means for activating different monitoring systems, signal displays, or signal recorders
523  DF  .~.~.~.~ Signal display or recording
524  DF  .~.~.~.~.~ Magnetic recording
525  DF  .~.~.~.~.~ Cathode-ray tube used for display or included in recording means
526  DF  .~.~.~ Blood output per beat or time interval
527  DF  .~.~.~ Detecting heartbeat by sensing movement of oscillatable body-supporting means
528  DF  .~.~.~ Detecting heart sound
529  DF  .~ Respiratory
530  DF  .~.~ Halitosis detection
531  DF  .~.~ Measuring metabolic rate by breath test
532  DF  .~.~ Qualitative or quantitative analysis of breath component
533  DF  .~.~ Measuring respiratory flow impedance or lung elasticity
534  DF  .~.~ Detecting body movement attending breathing
535  DF  .~.~.~ Capacitor-type transducer
536  DF  .~.~.~ Detector responsive to movement induced variation in impedance of body to electric current
537  DF  .~.~ Thermistor-type transducer generating electric signal in response to breath flow
538  DF  .~.~ Measuring breath flow or lung capacity
539  DF  .~.~.~ Element rotated by breath flow
540  DF  .~.~.~ Breath exhaled into or inhaled from expansible chamber
541  DF  .~.~.~.~ Bellows or expansible bag
542  DF  .~.~.~.~ Liquid surface forms portion of chamber boundary
543  DF  .~.~ Breath collection
544  DF  .~ Detecting brain electric signal
545  DF  .~.~ With feedback of signal to patient
546  DF  .~ Detecting muscle electrical signal
547  DF  .~ Measuring electrical impedance or conductance of body portion
548  DF  .~.~ Locating acupuncture points
549  DF  .~ Temperature detection
550  DF  .~ Detecting foreign object or calculus by probing
551  DF  .~ Monitoring fertility cycle
552  DF  .~ Sensitivity to vibration
553  DF  .~ Sensitivity to impact
554  DF  .~ Sensitivity to electric stimulus
555  DF  .~ Sensitivity to thermal stimulus
556  DF  .~ Sensitivity of skin to allergens or radiation
557  DF  .~ Touch or pain response of skin
558  DF  .~ Eye or testing by visual stimulus
559  DF  .~ Ear or testing by auditory stimulus
560  DF  .~ Injecting gas into body canal or cavity
561  DF  .~ Measuring fluid pressure in body
562  DF  .~ Sampling nonliquid body material (e.g., bone, muscle tissue, epithelial cells, etc.)
563  DF  .~.~ Irrigation
564  DF  .~.~ Cutting
565  DF  .~.~.~ Applying suction to sample
566  DF  .~.~.~.~ Body pierced by tubular cutter or rod-type punch
567  DF  .~.~.~ Body pierced by tubular cutter or rod-type punch
568  DF  .~.~.~ Motorized
569  DF  .~.~ Brushing
570  DF  .~.~ Scraping with edged instrument
571  DF  .~.~.~ Applying suction to sample
572  DF  .~.~ Wiping or dabbing
573  DF  .~ Liquid collection
574  DF  .~.~ Means specifically structured for collecting urine of human female
575  DF  .~.~ Plural collection means (e.g., plural reservoirs or plural absorbent pads, etc.)
576  DF  .~.~ Manually supported collector with rigid intake tube (e.g., a hollow needle, etc.)
577  DF  .~.~.~ Penetrable seal in liquid flow path to collection reservoir
578  DF  .~.~.~ Mechanical means for drawing liquid into collection reservoir
579  DF  .~.~.~ Means for controlling liquid flow
580  DF  .~.~ Wall of collection reservoir formed of flexible material
581  DF  .~.~ Flexible collection tube inserted in body
582  DF  .~.~ Collection receptacle placed within body
583  DF  .~.~ Collector combined with lancet
584  DF  .~.~ Indicator
585  DF  .~ Flexible catheter guide
586  DF  .~ Detecting sound generated within body
587  DF  .~ Measuring anatomical characteristic or force applied to or exerted by body
588  DF  .~.~ Associated with parturition
589  DF  .~.~ Gum
590  DF  .~.~ Mouth, tongue, or jaw
591  DF  .~.~ Vagina or uterus
592  DF  .~.~ Foot
593  DF  .~.~ Esophagus, stomach, or lower alimentary canal
594  DF  .~.~ Spine
595  DF  .~.~ Body movement (e.g., head or hand tremor, motility of limb, etc.)
1  DF  RADIOACTIVE SUBSTANCE APPLIED TO BODY FOR THERAPY
2  DF  .~ Combined with other radiant or wave energy source (e.g., electromagnetic, thermal, microwave etc.)
3  DF  .~ Radioactive substance placed within body (e.g., inhaled, implanted, injected, etc.)
4  DF  .~.~ By fluid injection of radioactive or enhancing agent through body piercing conduit
5  DF  .~.~.~ Fluid reservoir shielding (e.g., syringe)
6  DF  .~.~ Utero-vaginal or pelvic application
7  DF  .~.~ Injectors/holders for seeds or implants (e.g., capsules)
8  DF  .~.~.~ Seeds
9  DF  MAGNETIC FIELD APPLIED TO BODY FOR THERAPY
10  DF  .~ Radio frequency wave induced magnetic field for subcutaneous hyperthermia
11  DF  .~ Probes
12  DF  .~ Magnetic element placed within body (e.g., injected, inserted, implanted, etc.)
13  DF  .~ Electromagnetic coil
14  DF  .~.~ Pulsating field
15  DF  .~ Externally supported or worn (e.g., garment, belt etc.)
16  DF  CARDIAC AUGMENTATION (PULSATORS, ETC.)
17  DF  .~ With condition responsive means
18  DF  .~ Aortic balloon pumping
19  DF  ANTIGRAVATIONAL SYSTEMS
20  DF  .~ Body suits
21  DF  ISOLATION TREATMENT CHAMBERS
22  DF  .~ Incubators
23  DF  SPEECH CORRECTION/THERAPY (e.g., antistammering)
24  DF  .~ Oral cavity devices
25  DF  SURGICALLY IMPLANTED VIBRATORY HEARING AID
26  DF  SLEEP OR RELAXATION INDUCING THERAPY (e.g., direct nerve stimulation, hypnosis, analgesia)
27  DF  .~ Sensory (e.g., visual, audio, tactile, etc.)
28  DF  .~.~ Audio (e.g., heartbeat, "white noise", etc.)
29  DF  BODY INSERTED URINARY OR COLONIC INCONTINENT DEVICE OR TREATMENT (e.g., artificial sphincters, etc.)
30  DF  .~ Implanted
31  DF  .~.~ With fluid actuated occluding means (e.g., inflatable cuff)
32  DF  .~ Stoma closures (e.g., colostomy plugs)
38  DF  SEXUAL APPLIANCE
39  DF  .~ Male splint
40  DF  .~.~ Implanted
41  DF  .~ Retention means
33  DF  REPRODUCTION AND FERTILIZATION TECHNIQUES
34  DF  .~ Embryo transplantation
35  DF  .~ Artificial insemination
36  DF  BLOOD VESSEL OR GRAFT PREPARATION
37  DF  INTERNAL ORGAN SUPPORT OR SLING
101  DF  ENDOSCOPE
102  DF  .~ With chair, table, holder, or other support
103  DF  .~ With monitoring of components or view field
104  DF  .~ With tool carried on endoscope or auxillary channel therefore
105  DF  .~.~ Urogenital resectoscope
106  DF  .~.~ Having tool moving or stopping means
107  DF  .~.~.~ Having tool raising platform
108  DF  .~.~ Laser
109  DF  .~ With camera or solid state imager
110  DF  .~.~ Having signal wires
111  DF  .~.~ Sterioscopic
112  DF  .~.~ Means for coupling camera or imager
113  DF  .~ With additional scope
114  DF  .~ With guide means for body insertion
115  DF  .~.~ Inflatable cuff or balloon
116  DF  .~ With inflatable balloon
117  DF  .~ With means for indicating position, depth or condition of endoscope
118  DF  .~ With control or monitoring of endoscope functions
119  DF  .~ With shield to protect operator (e.g., splatter protection)
120  DF  .~ Having endotrachael intuabation means on endoscope
121  DF  .~ With protective sheath
122  DF  .~.~ For camera or handle
123  DF  .~.~ For auxiliary channel
124  DF  .~.~ With means to assist covering or uncovering of sheath
125  DF  .~.~ With locking or retaining means for sheath
126  DF  .~ With foot pedal control for endoscope operation
127  DF  .~ With non-optical distal tip attachment
128  DF  .~ With particular shaft cross-section
129  DF  .~ With particular distal tip configuration
130  DF  .~ With particular arrangement of internal elements (e.g., shaft reducing)
131  DF  .~ With particular operating handle design (e.g., for comfort)
132  DF  .~ Universal cord connector device for endoscope functions
133  DF  .~ Sterilizable
134  DF  .~ Having means to protect user, patient, or endoscope from electrical discharge
135  DF  .~ Urological
136  DF  .~ Having separable shaft
137  DF  .~ Having rotatable shaft
138  DF  .~ Having rigid tube structure
139  DF  .~ Having flexible tube structure
140  DF  .~.~ Plural layers
141  DF  .~.~ Articulated segments
142  DF  .~.~.~ Pivotally connected
143  DF  .~.~ Having shape memory retaining material component
144  DF  .~.~ With adjustable rigidity
145  DF  .~.~ With bend detecting means (e.g., endoscope tracking)
146  DF  .~.~ With bending control means
147  DF  .~.~.~ With removable control knob
148  DF  .~.~.~ With braking means
149  DF  .~.~.~ With wire tension control (e.g., slack absorbing)
150  DF  .~.~.~ With deflection recovery
151  DF  .~.~.~ Having temperature sensitive shape memory retaining material
152  DF  .~.~.~ Fluid or electrical control means
153  DF  .~ Having auxiliary channel
154  DF  .~.~ Channel seal (e.g., forceps stopcock)
155  DF  .~.~ With interior cleaning means
156  DF  .~.~ Fluid channel (e.g., suction, irrigation, aspiration)
157  DF  .~.~.~ With window cleaning means
158  DF  .~.~.~ With air or water supply means
159  DF  .~.~.~ With valve construction or valve control means
160  DF  .~ Having imaging and illumination means
161  DF  .~.~ Strain relief means on optical element
162  DF  .~.~ Ocular (e.g., eyepiece)
163  DF  .~.~.~ With focusing
164  DF  .~.~.~ Angled or offset on endoscope shaft
165  DF  .~.~.~ Plural
166  DF  .~.~ Stereoscopic
167  DF  .~.~ Focusing
168  DF  .~.~ Magnifying
169  DF  .~.~ Fog prevention
170  DF  .~.~ Side viewing distal end
171  DF  .~.~ Oblique viewing distal end
172  DF  .~.~ Interchangeable optical system
173  DF  .~.~ View field altering means
174  DF  .~.~ Articulated optical coupler
175  DF  .~.~ Distal optical attachment
176  DF  .~.~ Having particular distal lens or window
177  DF  .~.~.~ For improved illumination
178  DF  .~.~ Light source
179  DF  .~.~.~ Lamp in shaft
180  DF  .~.~.~ With light intensity control
181  DF  .~.~ With filter, masking, diaphram, or aperture plate
182  DF  .~.~ Light transmitting fibers or arrangements
183  DF  .~ Tissue division viewing (e.g., carpal tunnel, plantal fasciotomy)
184  DF  SPECULA
185  DF  .~ Laryngoscope
186  DF  .~.~ With protective sheath
187  DF  .~.~ With auxiliary channel for fluid transversing
188  DF  .~.~ With means to transmit view from distal end
189  DF  .~.~.~ By mirror or prism
190  DF  .~.~ Having particular blade structure
191  DF  .~.~.~ Made from light transmitting material
192  DF  .~.~.~ With rough grained surface
193  DF  .~.~.~ Detachable or foldable
194  DF  .~.~.~ Specific design for intubation
195  DF  .~.~.~ With cushion or pad (e.g., teeth guard)
196  DF  .~.~.~ Adjustable (e.g., linearly, angularly)
197  DF  .~.~ Having particular handle structure
198  DF  .~.~.~ Sterilizable
199  DF  .~.~ Illuminating
200  DF  .~.~.~ Otoscope (e.g., funnel shaped specula)
201  DF  .~ Retractor
202  DF  .~.~ With sensor or measuring means
203  DF  .~.~ With protective sheath
204  DF  .~.~ Laproscopic
205  DF  .~.~ With auxiliary channel (e.g., fluid transversing)
206  DF  .~.~ Having flexible, malleable or shape memory material
207  DF  .~.~.~ Inflatable
208  DF  .~.~.~ Circular or eliptically shaped retracting surface
209  DF  .~.~.~ Unitary wire construction
210  DF  .~.~ With special blade or retracting surface structure
211  DF  .~.~.~ Skeleton blade
212  DF  .~.~.~ Containing light transmitting material
213  DF  .~.~.~ Detachable from handle
214  DF  .~.~.~ Plural blades on single handle
215  DF  .~.~.~ Adjustable (e.g., extendable)
216  DF  .~.~.~.~ Multiple joints on retracting surface
217  DF  .~.~.~ With retracting hook, claw, teeth, or barb
218  DF  .~.~ With compressing jaws
219  DF  .~.~ With cooperating retracting members
220  DF  .~.~.~ Duck-Billed specula (e.g., vagina)
221  DF  .~.~.~.~ With auxiliary instrument
222  DF  .~.~.~.~ With means to change parallel distance between blades
223  DF  .~.~.~.~ With illuminating means
224  DF  .~.~.~ Three or more members (e.g., trivalve speculum)
225  DF  .~.~.~ Pivots along longitudinal axis
226  DF  .~.~ With special handle
227  DF  .~.~ With holder
228  DF  .~.~.~ Having supporting arm
229  DF  .~.~.~.~ Flexible or articulable
230  DF  .~.~.~.~ Special table clamp
231  DF  .~.~.~ Supporting frame
232  DF  .~.~.~.~ Three sided rectangular frame
233  DF  .~.~.~.~ Closed frame (e.g., circle, square)
234  DF  .~.~.~ Handle-holder cooperating means
235  DF  .~.~ Specific use retractor
236  DF  .~.~.~ Eyeball
237  DF  .~.~.~ Mouth
238  DF  .~.~.~.~ Brace or prop
239  DF  .~.~.~.~ Jaw spreader with tongue depressor
240  DF  .~.~.~.~ Tongue depressor
241  DF  .~.~.~.~.~ Illuminated
242  DF  .~.~.~.~ Lip or cheek
243  DF  .~.~.~.~ Veterinary jaw spreader
244  DF  .~.~.~.~.~ Pivoted
245  DF  .~.~ Having illuminating means
246  DF  .~.~.~ With lens or mirror
247  DF  REFLECTOR
248  DF  .~ With illuminating means
249  DF  LAMPS FOR ILLUMINATION
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CROSS-REFERENCE ART COLLECTIONS
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920  DF  Method of making endoscopes
921  DF  Manipulating image characteristics