CN216521191U

CN216521191U - Adjustable shadowless lamp is used in cardiothoracic surgery operation

Info

Publication number: CN216521191U
Application number: CN202123321872.2U
Authority: CN
Inventors: 魏凌云
Original assignee: Eastern Theater General Hospital of PLA
Current assignee: Eastern Theater General Hospital of PLA
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-13
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses an adjustable shadowless lamp for cardiothoracic surgery, which relates to the technical field of shadowless lamps and solves the problem that the prior shadowless lamp is inconvenient to adjust, and the technical scheme is characterized in that a connecting plate is fixedly arranged at the lower end of an upper lamp holder and is arranged in a lower lamp holder in a sliding manner, a transmission rack is fixedly arranged on the connecting plate, a middle shaft is rotatably arranged in the lower lamp holder and is provided with a driving gear meshed with the transmission rack, one end of the middle shaft is positioned outside the lower lamp holder, a handle is arranged at the end part of the middle shaft, a locking component is arranged at the other end of the middle shaft and is used for limiting the rotation of the driving gear after the position of the upper lamp holder is adjusted, the effect is that the driving gear and the transmission rack are used for adjusting the height position of the upper lamp holder, the corresponding quick adjustment is convenient during the adjustment, and further, the locking component is arranged for locking the driving gear and further limiting the height position of the adjusted upper lamp holder, and when in use, the tightening operation is not needed, and the use is convenient and fast.

Description

Adjustable shadowless lamp is used in cardiothoracic surgery operation

Technical Field

The utility model relates to the technical field of shadowless lamps, in particular to an adjustable shadowless lamp for cardiothoracic surgery.

Background

Surgical shadowless lamps are used to illuminate the surgical site for optimal viewing of small, low contrast objects at various depths in the incision and body cavity. Because the head, hands and instruments of the operator can cause interference shadows to the surgical site, the surgical shadowless lamp should be designed to eliminate the shadows as much as possible and minimize color distortion. However, the height position of the lamp head of the existing shadowless lamp is not convenient to adjust, so that the adjustable shadowless lamp for cardiothoracic surgery is provided.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an adjustable shadowless lamp for cardiothoracic surgery.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an adjustable shadowless lamp is used in cardiothoracic surgery, including support and lamp holder, be provided with between lamp holder and the support and be used for connecting lamp pole between them, the support includes lighting fixture and lower lighting fixture, the fixed connecting plate that is provided with in lighting fixture lower extreme, and the connecting plate slides and sets up in lighting fixture down, the fixed driving rack that is provided with on the connecting plate, the lighting fixture internal rotation is provided with the axis down, be provided with the drive gear who is connected with the meshing of driving rack in the axis, centraxonial one end is located the outside and its tip position of lighting fixture down and is provided with the handle, the axis other end is provided with locking Assembly, be used for the rotation of limiting drive gear after the position of lighting fixture is gone up in the adjustment.

Preferably, the locking assembly comprises an amplifying ring, a limiting ring and a limiting column, one end of the amplifying ring is fixed on the inner wall of the lower lamp holder, the other end of the amplifying ring is fixedly connected with the limiting ring, the size of the amplifying ring is larger than that of the limiting column, the limiting column is arranged at the end part, far away from the handle, of the middle shaft, the limiting column and the limiting ring are in non-circular coupling, a compression spring is arranged between the middle shaft and the inner wall of the lower lamp holder, and the limiting column is located in the position in the limiting ring in the no-external-force state.

Preferably, the lamp holder is further provided with a support ring and a support spring, the support ring is arranged in the lower lamp holder and located above the middle shaft, the support spring is located between the support ring and the connecting plate, and the elasticity of the support spring is smaller than the gravity of the upper lamp holder.

Preferably, the connecting plate comprises an upper plate and a lower plate, and a plurality of protruding structures are arranged on the surfaces of the upper plate and the lower plate, which are in contact with each other.

Preferably, the holding tank has been seted up to the one end tip that the axis is located lower lighting fixture, and the one end of handle rotates and sets up in the holding tank.

Through adopting above-mentioned technical scheme, be provided with the high position that drive gear and driving rack are used for adjusting the lighting fixture, and the corresponding quick adjustment is convenient during the adjustment, and is further, be provided with the locking Assembly and be used for locking drive gear and then inject the high position of the last lighting fixture after the adjustment, and need not to carry out the elasticity operation during the use, convenient to use is swift.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a locking assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another embodiment of the present invention.

1. A lamp cap; 2. a lamp post; 3. an upper lamp bracket; 4. a lower lamp holder; 5. a connecting plate; 6. a support ring; 7. a support spring; 8. a drive gear; 9. a drive rack; 10. an amplifying ring; 11. a confinement ring; 12. a support frame; 13. a middle shaft; 14. a compression spring; 15. defining a column; 16. an upper plate; 17. and (4) a lower plate.

Detailed Description

An embodiment of an adjustable shadowless lamp for cardiothoracic surgery of the utility model is further described with reference to fig. 1 to 3.

An adjustable shadowless lamp for cardiothoracic surgery, please refer to fig. 1, comprising a support and a lamp holder 1, wherein a lamp rod 2 for connecting the lamp holder 1 and the support is arranged between the lamp holder 1 and the support, preferably, the lamp rod 2 is a telescopic rod, and a ball bearing in damping connection is arranged between the lamp rod 2 and the lamp holder 1 for connecting the lamp holder 1 and the lamp holder, so as to adjust the angle of the lamp holder 1, further, in order to enable the height of the support to be rapidly adjusted, the support comprises an upper lamp holder 3 and a lower lamp holder 4, a connecting plate 5 is fixedly arranged at the lower end of the upper lamp holder 3, the connecting plate 5 is slidably arranged in the lower lamp holder 4, the port positions of the upper lamp holder 3 and the lower lamp holder 4 are slidably connected, so that the up-and-down movement of the upper lamp holder 3 is more stable, a driving rack 9 is fixedly arranged on the connecting plate 5, and a middle shaft 13 is rotatably arranged in the lower lamp holder 4, a driving gear 8 meshed with the transmission rack 9 is arranged on the middle shaft 13, one end of the middle shaft 13 is positioned outside the lower lamp holder 4, a handle is arranged at the end part of the middle shaft 13, the middle shaft 13 is rotated through the handle, and a locking component is arranged at the other end of the middle shaft 13 and used for limiting the rotation of the driving gear 8 after the position of the upper lamp holder 3 is adjusted; the support of the middle shaft 13 is not limited, the middle shaft 13 can be connected with the lower lamp holder 4 through rotation to support the middle shaft 13, preferably, a support frame 12 is arranged below one end, far away from the handle, of the middle shaft 13, the support frame 12 is fixedly arranged, one end, close to the middle shaft 13, of the support frame 12 is annular, and the middle shaft 13 is more stable due to the arrangement of the support frame 12;

this device is when using, and then drives drive gear 8 and rotate through rotating axis 13, then drives through the effect of driving rack 9 connecting plate 5 and last lighting fixture 3 reciprocate, and then reach altitude mixture control's purpose, and when drive gear 8 rotated, driving rack 9 will respond at once, and then the height of lighting fixture 3 in the adjustment, and response speed is fast, weak point consuming time.

The locking assembly is selected without limitation, for example, a bolt is selected to limit the rotation of the driving gear 8, please refer to fig. 2, as an embodiment of the present invention, the locking assembly includes an amplifying ring 10, a limiting ring 11 and a limiting post 15, one end of the amplifying ring 10 is fixed on the inner wall of the lower lamp holder 4, the other end is fixedly connected with the limiting ring 11, the size of the amplifying ring 10 is larger than the size of the limiting post 15, the limiting post 15 is arranged at the end of the middle shaft 13 far away from the handle, and the limiting post 15 and the limiting ring 11 are non-circularly coupled, i.e. the size of the limiting post 15 corresponds to the size of the limiting ring 11, the limiting post 15 can only slide in the limiting ring 11 and cannot rotate in the limiting ring 11, a compression spring 14 is arranged between the middle shaft 13 and the inner wall of the lower lamp holder 4, and the limiting post 15 is located in the position of the limiting ring 11 under the state without external force; when the lamp holder is used, under the action of the compression spring 14 and in a state without external force, the limiting column 15 is located at the position in the limiting ring 11, at the moment, the middle shaft 13 cannot rotate under the action of the limiting column 15 and the limiting ring 11, namely, the position of the upper lamp holder 3 is limited, when the position of the upper lamp holder 3 needs to be adjusted, force is applied to the handle end of the middle shaft 13 to overcome the elastic force of the compression spring 14, so that the limiting column 15 is separated from the area where the limiting ring 11 is located and reaches the area where the amplifying ring 10 is located, at the moment, the middle shaft 13 can rotate, then the middle shaft 13 can be rotated through the handle while pressure for overcoming the elastic force of the compression spring 14 is kept, further, the connecting plate 5 and the upper lamp holder 3 are driven to move up and down through the driving gear 8 and the driving rack 9, after the adjustment is finished, the external force disappears, the middle shaft 13 is reset under the action of the compression spring 14, the limiting column 15 returns to the position of the limiting ring 11 to limit the rotation of the middle shaft 13 again, the adjustment is convenient, the response is quick, the specific shape of the limiting column 15 is not limited, for example, the limiting column 15 is in a quadrangular prism or hexagonal prism structure, and the limiting column 15 is set to be non-circular, so that the limiting column 15 cannot rotate in the limiting ring 11 with the corresponding shape.

Referring to fig. 1, as an embodiment of the present invention, in order to save more labor during operation, a support ring 6 and a support spring 7 are further provided, the support ring 6 is disposed in the lower lamp holder 4 and located above the central shaft 13, the support spring 7 is disposed between the support ring 6 and the connecting plate 5, and an elastic force of the support spring 7 is smaller than a gravity of the upper lamp holder 3, and the support spring 7 is disposed to reduce a weight of the upper lamp holder 3, so that more labor is saved when adjusting an upper position and a lower position of the upper lamp holder 3.

Referring to fig. 3, as an embodiment of the present invention, the connection plate 5 includes an upper plate 16 and a lower plate 17, and a plurality of protruding structures are disposed on a surface where the upper plate 16 and the lower plate 17 contact each other, so that the upper plate 16 and the lower plate 17 do not easily rotate relative to each other when the upper plate 16 and the lower plate 17 contact each other, when the position of the lamp holder 1 needs to be adjusted, the upper lamp holder 3 may be lifted up to separate the upper plate 16 and the lower plate 17 from each other, and then the upper lamp holder 3 may be rotated to adjust an angular position, and released after the adjustment is completed, so that the upper lamp holder 3 remains stable under the action of the upper plate 16, the lower plate 17, and the protruding structures.

Referring to fig. 2, as an embodiment of the present invention, an accommodating groove is formed at an end portion of the middle shaft 13 located at one end of the lower lamp holder 4, one end of the handle is rotatably disposed in the accommodating groove, and the handle can be turned over and accommodated in the accommodating groove when not in use due to the accommodating groove, so that the use is more convenient.

The working principle is as follows: when the device is used, the middle shaft 13 is rotated to drive the driving gear 8 to rotate, then the driving rack 9 drives the connecting plate 5 and the upper lamp holder 3 to move up and down, so that the purpose of height adjustment is achieved, when the driving gear 8 rotates, the driving rack 9 immediately responds, so that the height of the upper lamp holder 3 is adjusted, the response speed is high, the consumed time is short, when the device is used, under the action of the compression spring 14, in a state without external force, the limiting column 15 is positioned in the limiting ring 11, at the moment, the middle shaft 13 cannot rotate under the action of the limiting column 15 and the limiting ring 11, namely, the position of the upper lamp holder 3 is limited, when the position of the upper lamp holder 3 needs to be adjusted, force is applied to the handle end of the middle shaft 13 to overcome the elastic force of the compression spring 14, so that the limiting column 15 is separated from the area where the limiting ring 11 is positioned, and reaches the area where the amplifying ring 10 is positioned, the middle shaft 13 can rotate, the middle shaft 13 can be rotated through the handle while the pressure for overcoming the elastic force of the compression spring 14 is kept, the connecting plate 5 and the upper lamp holder 3 are driven to move up and down through the driving gear 8 and the transmission rack 9, after the adjustment is finished, the external force disappears, the middle shaft 13 is reset under the action of the compression spring 14, the limiting column 15 returns to the position of the limiting ring 11 to limit the rotation of the middle shaft 13 again, the adjustment is convenient, the response is quick, the specific shape of the limiting column 15 is not limited, for example, the limiting column 15 is of a quadrangular or hexagonal prism structure, and the limiting column 15 is set to be non-circular, so that the limiting column 15 cannot rotate in the limiting ring 11 with the corresponding shape.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a cardiothoracic surgery is with adjustable shadowless lamp, includes support and lamp holder (1), is provided with between lamp holder (1) and the support to be used for connecting lamp pole (2) between them, its characterized in that: the support includes lighting fixture (3) and lighting fixture (4) down, go up lighting fixture (3) lower extreme fixed connection plate (5) that is provided with, and connection plate (5) slide setting is in lighting fixture (4) down, fixed transmission rack (9) that are provided with on connection plate (5), lighting fixture (4) internal rotation is provided with axis (13) down, be provided with on axis (13) and drive gear (8) with transmission rack (9) meshing connection, the one end of axis (13) is located lighting fixture (4) outside down and its tip position is provided with the handle, the axis (13) other end is provided with locking Assembly for limit the rotation of drive gear (8) after the position of lighting fixture (3) in the adjustment.

2. The adjustable shadowless lamp of claim 1, wherein: the locking assembly comprises an amplifying ring (10), a limiting ring (11) and a limiting column (15), one end of the amplifying ring (10) is fixed on the inner wall of the lower lamp holder (4), the other end of the amplifying ring is fixedly connected with the limiting ring (11), the size of the amplifying ring (10) is larger than that of the limiting column (15), the limiting column (15) is arranged at the end part, far away from the handle, of the middle shaft (13), the limiting column (15) is in noncircular coupling with the limiting ring (11), a compression spring (14) is arranged between the middle shaft (13) and the inner wall of the lower lamp holder (4), and the limiting column (15) is located in the position of the limiting ring (11) in a no-external-force state.

3. The adjustable shadowless lamp of claim 2, wherein: the support ring (6) is arranged in the lower lamp holder (4) and located above the middle shaft (13), the support spring (7) is located between the support ring (6) and the connecting plate (5), and the elasticity of the support spring (7) is smaller than the gravity of the upper lamp holder (3).

4. The adjustable shadowless lamp of claim 3, wherein: the connecting plate (5) comprises an upper plate (16) and a lower plate (17), and a plurality of protruding structures are arranged on the surface of the upper plate (16) in contact with the lower plate (17).

5. The adjustable shadowless lamp of claim 4, wherein: the middle shaft (13) is provided with a holding groove at the end part of one end of the lower lamp bracket (4), and one end of the handle is rotatably arranged in the holding groove.