Photoelectric probes for determining the density of body tissue for x-ray purposes专利检索-不透X射线射线不透性诊断设备和程序专利检索查询-专利查询网

Photoelectric probes for determining the density of body tissue for x-ray purposes

阅读：299发布：2023-07-06

专利汇可以提供Photoelectric probes for determining the density of body tissue for x-ray purposes专利检索，专利查询，专利分析的服务。并且An internal probe to be inserted in the mouth and an external probe to be positioned externally of the mouth in alignment with the internal probe, said probes projecting in substantially parallel relation from a handle member, the internal probe terminating in a photoelectric cell and the external probe terminating in a light source optically aligned with said photocell so as to project light through the mouth tissue to said photocell to activate a meter, the reading of which is proportionate to the opaqueness or density of the intervening tissue so as to provide means for determining in advance the apparatus exposure time necessary to obtain an acceptable X-ray picture of the intervening tissue.，下面是Photoelectric probes for determining the density of body tissue for x-ray purposes专利的具体信息内容。

权利要求

1. A photoelectric probe for determining the density of body tissue for X-ray purposes comprising: a. a handle element; b. a first stem mounted in and projecting from said handle element; c. a second stem mounted in and projecting from said handle element adjacent to said first stem; d. a photoelectric cell supported by said second stem; e. a light source supported by said first stem so as to project a beam of light against said photoelectric cell; f. means for supplying electrical power to said light source; g. meter means connected with said photoelectric cell and acting to indicate the electric alterations caused by the incidence of said beam upon said cell; h. means in said handle element for adjustably varying the distance between said light source and said photoelectric cell; i. means in said handle element for varying the intensity of said beam; j. the means for varying the intensity of said beam is connected to and actuated by the means for varying the distance between said light source and said photoelectric cell whereby the intensity of said light source decreases as the distance between said light source and said cell decreases; and k. a socket element shiftably mounted in said handle element, said first stem being mounted on said socket element for movement therewith.

2. A photoelectric probe as described in claim 11 having: a. a cavity formed in said handle member; b. said socket element positioned in, and shiftable from side to side of said cavity, c. means for shifting said socket member from side to side of said cavity; and d. means for maintaining said socket member aligned in said cavity at all shiftably-attained positions.

3. A photoelectric probe as described in claim 2 in which the means for maintaining said socket member aligned comprises; a. a pair of parallel guide rods extending across said cavity through said socket member in the plane of said stems, said socket member being slidably fitted on said rods so as to be maintained vertical thereby.

4. A photoelectric probe as described in claim 3 in which the means for shifting said socket member comprises: a. shaft-supporting means fixedly mounted in said handle element at one side of said cavity between said guide rods; b. a rotatable threaded shaft extending from said shaft-supporting means across said cavity parallel to said rods, said socket member being threaded upon said shaft so that reciprocal rotation of the latter will impart reciprocal movement of said socket member along said rods.

5. A photoelectric probe as described in claim 3 in which the means for shifting said socket member comprises: a. a rotary-type potentiometer fixedly mounted in said handle element at one side of said cavity between said guide rods; b. a threaded potentiometer-actuating shaft extending from said potentiometer across said cavity parallel to said rods, said socket member being threaded upon said shaft so that reciprocal rotation thereof of the latter will impart movement of said socket member along said rods.

6. A photoelectric probe as described in claim 5 in which: a. the potentiometer is connected in series with the power supply to the light source so that rotation of said shaft simultaneously shifts the socket element and varies the intensity of the light source.

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Photoelectric probes for determining the density of body tissue for x-ray purposes

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