1
Improvements in illuminable specula retractors and like surgical instruments. Louis Van Lier, June 2, 1943: GB553728-A (12 worldwide citation)

553,728. Specula &c. LIER, L. V. April 21, 1942, No. 5345. [Class 81 (ii)] A specula or like surgical instrument having a part formed of light-transmitting material detachably carried by a handle incorporating a source of light, has a surface protector band on that portion of the light-transmitting ...


2
Improvements in and relating to surgical specula. Louis Van Lier, October 30, 1941: GB540806-A (4 worldwide citation)

540,806. Surgical specula. LIER, L. VAN. May 30, 1940, No. 9494. [Class 81 (ii)] A surgical speculum for dilating and distending a cavity has two relatively movable parts, one of which is composed of light transmitting material. The form shown is of the duck bill type a fixed part 1 being of light t ...


3
Louis Van Lier, February 9, 1943: GB551146-A (4 worldwide citation)

551,146. Rectal and vaginal specula &c. LIER, L. VAN. April 20, 1942, No. 5257. [Class 81 (ii)] The Figure shows a sigmoidoscope with a tubular part 4 from which extends a solid branch or stub 5. The parts 4 and 5 are formed from light-transmitting material and preferably from methyl methacrylate an ...


4
Improvements in laryngoscopes. Louis Van Lier, October 1, 1952: GB680219-A (2 worldwide citation)

680,219. Battery lamps combined with laryngoscopes. LIER, L. VAN. July 26, 1950 [July 26, 1949], No. 19650/49. Class 39(ii) [Also in Group VI] A laryngoscope comprises a handle carrying a head with which a blade is rigidly associated characterized by a light tube comprising a metal tube containing a ...


5
Improvements in and relating to surgical specula. Louis Van Lier, December 7, 1942: GB549791-A (1 worldwide citation)

549,791. Surgical operating appliances; specula. LIER, L. VAN. April 20, 1942, No. 5256. Addition to 540,806. [Class 81 (ii)] One of the relatively movable parts of which the cavity dilating and illuminating device is composed according to the parent Specification (made of light transmitting materia ...


6
An improved blood pressure measuring apparatus. Louis Van Lier, October 26, 1944: GB565097-A

In a sphygmomanometer apparatus, the mercury container 2 and the mercury-containing tube 5 are formed as an integral unit of a transparent synthetic resin, e.g. methyl methacrylate or other transparent substantially unbreakable mouldable material. The bore 6 of the tube 5 is formed as a slit to pres ...


7
Improvements in and relating to surgical dissecting knives and the like with interchangeable blades or the like. Louis Van Lier, Simon Van Lier, February 13, 1928: GB285162-A

285,162. Lier, L. van, and Lier, S. van. Nov. 13, 1926. Fixing by dovetail and grooved members.-A surgical or like knife has a detachable relatively thin. blade 6 to which support and rigidity is given by a channel extension 5 of a handle 4 receiving the back of the blade. The shank portion 9 of the ...


8