TWI656302B - Surgical lighting system - Google Patents

Abstract

A surgical lamp for changing an inclination angle of a plurality of light-emitting modules by a lifting driving device, the lifting driving device comprising a base, an lifting platform and a driving member, the lifting platform is movably coupled to the base, The driving member contacts a guide rail of the lifting platform to selectively raise or lower the lifting platform between a first position and a second position, and the lifting platform is raised or lowered to change the lighting module. Inclining the angle to achieve a range of regions that change an illumination area generated by each of the illumination modules.

Description

Surgical light

The present invention relates to a surgical light, and more particularly to a surgical light that can adjust an illumination area.

It is necessary to illuminate with a surgical lamp during the operation. However, since the surgical illumination area may be different depending on the user's habit or the operation position, how to enable the user to freely adjust the illumination area of the illumination source in the surgical lamp according to individual needs. It is a problem that must be solved by surgical lamps.

In the conventional surgical lamp adjustment structure, it is necessary to assemble by a plurality of assembled components and through a complicated assembly process. Therefore, simplifying the surgical lamp assembly component and assembly procedure is a problem that the surgical lamp manufacturer must overcome.

The main purpose of the present invention is to change the tilt angle of a plurality of light-emitting modules by a lifting drive device to change the range of regions of an illumination region generated by each of the light-emitting modules.

The surgical lamp of the present invention comprises an upper casing, a lower casing, a lifting drive device and a plurality of lighting modules, wherein the lower casing is integrated with the upper casing and forms an accommodation space, and the lower portion The housing has a through hole, the perforation communicates with the accommodating space, and the lifting and lowering driving device is disposed in the accommodating space. The lifting and lowering driving device comprises a base, a lifting platform and a driving component, the pedestal having at least one limit a lifting rod is movably coupled to the base, and the lifting platform is movably disposed on the limiting rod. The lifting platform has a guide rail having a first abutting portion, a second abutting portion and a guiding portion The guiding surface is located between the first abutting portion and the second abutting portion, and the first abutting portion and the second abutting portion have a height difference, and the driving member has a rod body and a driving convex portion The lever body is configured to drive the driving convex portion to rotate, and the driving member selectively contacts the first abutting portion, the second abutting portion or the guiding surface with the driving convex portion, so that the lifting platform is in the first Ascending or descending between a position and a second position, the The light emitting module is disposed in the accommodating space, and the through hole of the lower casing exposes each of the light emitting modules, and each of the light emitting modules has a carrier board, and a first end of the carrier board abuts the lifting a second end portion of the carrier plate abuts against the lower housing, and the tilting angle of each of the light emitting modules is changed by the lifting platform to change the tilt angle of each of the light emitting modules to change one of the light emitting modules The extent of the area of the lighting area.

According to the present invention, the driving member selectively contacts the first abutting portion, the second abutting portion or the guiding surface of the rail of the lifting platform, so that the lifting platform is driven and selectively in the first position And increasing or decreasing between the second positions to change the tilt angle of the light-emitting modules, thereby achieving the purpose of changing a range of regions of the illumination region generated by each of the light-emitting modules, and the surgical light of the present invention has Simplify the advantages of assembly components and assembly procedures.

Please refer to FIGS. 1 and 2, which are surgical lights 100 of the present invention. The surgical light 100 can be disposed on a movable slide rail (not shown) or a swing arm (not shown) to adjust the The relative position of the surgical light 100 to the operating table.

Referring to FIGS. 2 and 6 , the surgical lamp 100 includes an upper housing 110 , a lower housing 120 , a lifting drive device 140 , and a plurality of light emitting modules 150 . The lower housing 120 is combined with the upper housing 110 . An accommodating space 130 is formed, and the lower casing 120 has a through hole 121 that communicates with the accommodating space 130.

Referring to the second and sixth embodiments, in the embodiment, the lifting and lowering driving device 140 and the light emitting modules 150 are disposed in the accommodating space 130, and the through holes 121 of the lower casing 120 expose the respective illuminating modes. The perforation 121 of the lower casing 120 is provided with a light transmissive plate (not shown), and the translucent plate encloses the perforation 121 to prevent dust from accumulating in the elevation driving device 140 and the Light emitting module 150.

Referring to FIGS. 2 and 6, the lifting and lowering device 140 includes a base 141, a lifting platform 142 and a driving member 143. The base 141 has at least one limiting rod 141a. The lifting platform 142 is movably coupled to the base. 141, and the lifting platform 142 is movably disposed on the limiting rod 141a. In this embodiment, the one end portion 141b of the limiting rod 141a is coupled to the upper casing 110, so that the base 141 is suspended from the base 141. The accommodation space 130.

Referring to Figures 2, 3 and 6, the lifting platform 142 has a guide rail 142a having a first abutting portion 142b, a second abutting portion 142c and a guiding surface 142d. The first abutting portion 142b and the second abutting portion 142c have a height difference. In the embodiment, the rail 142a is a wave-shaped rail.

Referring to Figures 2, 3 and 6, the lifting platform 142 has a moving plate 142e and a cylindrical body 142f. The cylindrical body 142f is integrated with the moving plate 142e, and the guiding plate 142a is located in the cylindrical body 142f. In the embodiment, the guide rail 142a is located on a cylindrical wall 142h of the cylindrical body 142f. Preferably, the guide rail 142a is a exposed end surface of the cylindrical wall 142h.

Referring to the second and sixth embodiments, in the embodiment, the moving plate 142e has at least one limiting hole 142g. The limiting rod 141a extends through the limiting hole 142g. The lifting platform 142 is penetrated by the limiting rod 141a. The limiting hole 142g makes the lifting platform 142 non-rotatable and can only selectively move between the upper casing 110 and the base 141 along the limiting rod 141a.

Referring to Figures 2, 6 and 8, the driving member 143 has a rod body 143a and a driving convex portion 143b for driving the driving convex portion 143b to rotate. The driving member 143 is driven by the driving convex portion 143b. Selectively contacting the first abutting portion 142b, the second abutting portion 142c or the guiding surface 142d such that the lifting platform 142 is selectively in a first position (see FIG. 6) and a second position In the present embodiment, the driving member 143 further has a plate body 143c, and the rod body 143a and the driving convex portion 143b are respectively located on two sides of the plate body 143c. The rod body 143a, the driving protrusion 143b and the plate body 143c are integrated and can rotate synchronously. In the embodiment, the driving protrusion 143b has a first pushing flange 143d and a second pushing The flange 143e, the first thrust flange 143d and the second thrust flange 143e are configured to contact a exposed end surface of the cylinder wall 142h (ie, the guide rail 142a), preferably, the first thrust convex The distance between the edge 143d and the second thrust flange 143e is not less than the inner diameter of the cylinder 142f, Preferably, the driving convex portion 143b is a cylinder, and the driving convex portion 143b is substantially perpendicular to the rod body 143a.

Referring to Figures 2, 4, 5 and 6, each of the light-emitting modules 150 has a carrier 151. A first end 151a of the carrier 151 abuts the lifting platform 142. The second end portion 151b is disposed on the lower housing 120. In the embodiment, the lower housing 120 has a bearing frame 122 and a plurality of positioning rods 123. The positioning rods 123 are disposed on the lower housing 120. The second end portion 151b of the carrier plate 151 of the light-emitting module 150 is movably disposed on the positioning rod 123, or, in different embodiments, the loading of each of the light-emitting modules 150 The second end 151b of the plate 151 abuts against the bearing frame 122.

Referring to FIGS. 2 and 6, in the embodiment, the lower housing 120 has a plurality of first positioning members 124 and a plurality of pushing members 125. Preferably, the lower housing 120 has a plurality of second portions. The positioning member 126, each of the first positioning member 124, each of the pushing member 125 and each of the second positioning members 126 are respectively disposed on each of the positioning rods 123. The positioning rod 123 is selected from a screw, and each of the first positioning members The second positioning member 126 is selected from the nut, and each of the pushing members 125 is selected from a spring. The second end portion 151b of each of the carrier plates 151 is located at each of the pushing members 125 and the second portion. Between the positioning members 126, each of the pushing members 125 is located between the first positioning member 124 and the second end portion 151b of the carrier 151. In this embodiment, the second portion of each of the carrier plates 151 The end portion 151b is abutted against each of the second positioning members 126, and each of the pushing members 125 is used for pushing the carrier plate 151. By adjusting the relative positions of the second positioning members 126 and the positioning rods 123, The initial position of each of the light-emitting modules 150 is changed. By adjusting the relative positions of the first positioning members 124 and the positioning rods 123, each of the pushing members 125 can be changed to act on each Emitting module 150 return spring force.

Referring to Figures 2 and 6, the surgical light 100 further includes a carrier 160 that is coupled to the base 141. The driving member 143 is rotatably disposed on the carrier 160. The carrier 160 is used to carry The driving protrusion 143b of the driving member 143, and the rod body 143a of the driving member 143 extends through the carrier 160. In the embodiment, the carrier 160 has a bearing groove 161 and a through hole 162. even The plate body 143c is movably disposed in the bearing groove 161, and the rod body 143a extends through the through hole 162. In different embodiments, when the driving member 143 does not have the plate body 143c, The driving protrusion 143b is movably disposed in the bearing groove 161. Preferably, the surgical lamp 100 further includes a grip 170 coupled to the rod body 143a that passes through the carrier 160. The grip 170 is integrated with the driving member 143 to drive the drive. Pieces 143 are rotated.

Please refer to FIG. 4 to FIG. 8 , which are diagrams for changing an inclination angle of each of the light-emitting modules 150 by the lifting platform 142 . First, referring to FIGS. 4 to 6 , the driving member 143 is driven by the driving protrusion 143 b . The first abutting portion 142b of the guide rail 142a of the lifting platform 142 is in contact with the lifting platform 142 in a first position (see FIGS. 5 and 6), and each of the light emitting modules 150 projects light and generates An area of illumination (not shown), when the area of the area of the illumination area is to be changed, refer to Figures 4, 7 to 8, and the handle 170 is rotated to synchronously drive the drive member 143 to rotate, the drive being rotated The driving member 143b is in contact with the first abutting portion 142b to change against the guiding surface 142d, and since the lifting platform 142 is not locked by the limiting rods 141a, the lifting platform 142 can The driving convex portion 143b of the driving member 143 is in contact with the rising portion until the driving convex portion 143b abuts against the second abutting portion 142c of the guiding rail 142a of the lifting platform 142, even if the lifting platform 142 is raised to a second position. (Please refer to Figures 7 and 8), in addition, due to each of the respective light-emitting modules 150 The second end portion 151b of the plate 151 is limited to the lower casing 120, and each of the first end portions 151a of each of the carrier plates 151 of the light-emitting module 150 abuts against the lifting platform 142, so When the lifting platform 142 is raised from the first position to the second position, the inclination angle of each of the lighting modules 150 can be changed as the lifting platform 142 rises, that is, the area of the illumination area is reduced. In order to enlarge the area of the illumination area, the driving member 143 only needs to be rotated, so that the driving protrusion 143b can interfere with the first abutting portion 142b and the first abutting portion 142b along the guiding surface 142d. The lifting platform 142 is lowered from the second position to the first position, so that the area of the illumination area is placed Big.

Referring to FIGS. 6 and 8, when the driving member 143 is in contact with the guiding surface 142d or the second abutting portion 142c of the rail 142a of the lifting platform 142, each of the pushing members 125 is compressed to have a reset. The elastic force is used to reduce the rotational torque of the user when the user rotates the driving member 143. Further, since the guide rail 142a of the embodiment is the first abutting portion 142b, the guiding surface 142d and The continuous wavy guide formed by the second abutting portion 142c, so that when the driving member 143 is rotated to drive the lifting platform 142 to rise or fall, the direction of the driving member 143 is not limited to be restricted, so that the user operates the driving. The piece 143 facilitates the lifting or lowering of the lifting platform 142.

The scope of the present invention is defined by the scope of the appended claims, and any changes and modifications made by those skilled in the art without departing from the spirit and scope of the invention are within the scope of the present invention. .

100‧‧‧Surgical light

110‧‧‧Upper casing

120‧‧‧lower casing

121‧‧‧Perforation

122‧‧‧bearing frame

123‧‧‧ Positioning rod

124‧‧‧First positioning piece

125‧‧‧Pushing pieces

126‧‧‧Second positioning parts

130‧‧‧ accommodating space

140‧‧‧ Lifting drive

141‧‧‧Base

141a‧‧‧Limited rod

141b‧‧‧End

142‧‧‧ Lifting platform

142a‧‧‧rail

142b‧‧‧ first contradiction

142c‧‧‧second contradiction

142d‧‧‧ guiding surface

142e‧‧‧Mobile board

142f‧‧‧ cylinder

142g‧‧‧Limited holes

142h‧‧‧ wall

143‧‧‧ drive parts

143a‧‧‧ rod

143b‧‧‧ drive convex

143c‧‧‧ board

143d‧‧‧First push flange

143e‧‧‧Second thrust flange

150‧‧‧Lighting module

151‧‧‧ Carrier Board

151a‧‧‧First end

151b‧‧‧second end

160‧‧‧ bearing seat

161‧‧‧ carrying trough

162‧‧‧Perforation

170‧‧‧ grip

Fig. 1 is a perspective view of a surgical lamp of the present invention.

Fig. 2 is an exploded perspective view of the surgical lamp of the present invention.

Fig. 3 is a perspective view of a lifting table of a surgical lamp of the present invention.

Figure 4: Top view of the surgical light of the present invention.

Fig. 5 is a partial perspective view of a surgical lamp of the present invention.

Figure 6 is a cross-sectional view of the surgical light of the present invention.

Figure 7 is a partial perspective view of the surgical light of the present invention.

Figure 8 is a cross-sectional view of the surgical light of the present invention.

Claims (17)

A surgical lamp, comprising: an upper casing; a lower casing integrated with the upper casing and forming an accommodating space, wherein the lower casing has a perforation, the perforation communicating with the accommodating space; The driving device is disposed in the accommodating space, and the lifting driving device comprises a base, an lifting platform and a driving member, the base has at least one limiting rod, the lifting platform is movably coupled to the base, and the lifting platform The guide rail is disposed on the limiting rod, and the lifting platform has a guiding rail. The guiding rail has a first abutting portion, a second abutting portion and a guiding surface. The guiding surface is located at the first abutting portion and the first portion Between the two abutting portions, the first abutting portion and the second abutting portion have a height difference, the driving member has a rod body and a driving convex portion, the rod body is used to drive the driving convex portion to rotate, the driving Selecting, by the driving protrusion, the first abutting portion, the second abutting portion or the guiding surface to selectively raise or lower the lifting platform between a first position and a second position And a plurality of light emitting modules disposed in the receiving space And the perforation of the lower casing reveals each of the light-emitting modules, each of the light-emitting modules has a carrier plate, a first end of the carrier plate abuts against the lifting platform, and a second of the carrier plate The end portion abuts against the lower casing, and the tilting angle of each of the light-emitting modules is changed by the lifting platform to change the range of the area of a light-emitting area generated by each of the light-emitting modules. The surgical lamp of claim 1, wherein one end of the limiting rod is coupled to the upper casing to suspend the base in the accommodating space, and the lifting platform is selectively attached thereto. Moving between the housing and the base. The surgical lamp of claim 1, wherein the lifting platform has a moving plate and a cylinder, the moving plate has at least one limiting hole, the limiting rod extends through the limiting hole, the cylinder and the cylinder The moving plate is integrated and the guide rail is located in the cylinder. The surgical light of claim 3, wherein the guide rail is located on a wall of the cylinder, and the guide rail is a wavy guide. The surgical light of claim 4, wherein the guide rail is a revealing end face of the tubular wall. The surgical lamp of claim 1, further comprising a carrier coupled to the base, the driving member being rotatably disposed on the carrier, the carrier for carrying the driving member The driving protrusion and the rod body of the driving member penetrate the carrier. The surgical lamp of claim 6, wherein the carrier has a bearing groove and a through hole, the through hole communicates with the bearing groove, the rod penetrates the through hole, and the driving protrusion is movably disposed in the bearing groove in. The surgical lamp of claim 6, wherein the driving member further has a plate body, the rod body and the driving convex portion are respectively located at two sides of the plate body, the rod body, the driving convex portion and the driving body The plate body is integrated and can be rotated synchronously. The carrier has a bearing groove and a through hole. The through hole communicates with the bearing groove. The rod body penetrates the through hole, and the plate body is movably disposed in the bearing groove. The surgical light of claim 1 or 6, further comprising a grip coupled to the shaft to drive the drive member to rotate. The surgical light of claim 1, wherein the lower housing has a bearing frame, and the second end of the carrier of each of the light-emitting modules abuts the bearing frame. The surgical light of claim 1, wherein the lower housing has a plurality of positioning rods, and the second end of the carrier of each of the light-emitting modules is movably disposed on the positioning rod. The surgical lamp of claim 11, wherein the positioning rods are disposed on a bearing frame of the lower casing. The surgical lamp of claim 11 or 12, wherein the lower housing has a plurality of first positioning members and a plurality of pushing members, and each of the first positioning members and each of the pushing members are respectively disposed on each The positioning rods are disposed between each of the first positioning members and the second end of the carrier, and each of the pushing members is used for pushing the carrier. The surgical lamp of claim 13, wherein the lower casing further has a plurality of second positioning members, each of the second positioning members being disposed on each of the positioning rods, the second end of each of the carrier plates The portion is located between each of the pushing members and each of the second positioning members, and the second end of each of the carrier plates abuts against each of the second positioning members. The surgical lamp of claim 1, wherein the lifting platform has a moving plate and a cylinder, the cylinder is integrated with the moving plate, and the guiding rail is located at a wall of the cylinder Exposing an end face, the driving protrusion has a first pushing flange and a second pushing flange, the first pushing flange and the second pushing flange contacting an exposed end of the wall surface. The surgical light of claim 15, wherein the distance between the first thrust flange and the second thrust flange is not less than an inner diameter of the cylinder. The surgical light of claim 1 or 16, wherein the driving protrusion is a cylinder, and the driving protrusion is substantially perpendicular to the rod.