Medical visible screen multi-angle baking lamp

CN224723535UActive Publication Date: 2026-09-08SHANGHAI SIXTH PEOPLES HOSPITAL
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Patent Information

Application Number
CN202520364790.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-09-08
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

[0003]从角度调节方面来看,传统烤灯大多只能进行简单的角度调整,难以精准地照射到患者身体的特定部位,导致治疗效果不佳,而且,手动调节角度的方式不仅操作不便,还可能因调节不当对患者造成不适,在温度控制和时间把控上,传统烤灯缺乏的温度控制和计时功能,医护人员需要凭借经验来调节烤灯的温度和照射时间,这容易出现温度过高或照射时间过长,烫伤患者皮肤的情况;或者温度过低、照射时间不足,达不到理想治疗效果的问题,此外,传统烤灯在结构设计上不够灵活灯体的位置和高度调节不便,在使用过程中容易影响治疗的稳定性和安全性

Benefits of technology

本实用新型实现了高度和角度的灵活调整、温度和时间的精确控制,有效解决了传统医用烤灯存在的诸多问题,能够满足不同患者的需求,提高治疗效果和安全性。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to medical instrument technical field especially relates to a kind of medical visible screen multi-angle baking lamp, it includes: base, the telescopic adjusting lever of fixedly being set in the upper portion of the base, the controller of fixedly being set in the upper portion of the telescopic adjusting lever, the adjusting support of rotationally being set in the upper portion of the controller, and the lamp body of rotationally being set in the end of the adjusting support away from the controller;The adjusting support includes: lower support rod, and the upper support rod of rotationally being set in the top of the lower support rod;The controller includes: main body, motor fixedly being set in the main body, display screen controller fixedly being set in the upper portion of the main body, and power supply fixedly being set in the main body;The utility model has realized the flexible adjustment of height and angle, the accurate control of temperature and time, effectively solved many problems existing in traditional medical baking lamp, can satisfy the demand of different patients, improve treatment effect and safety.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a medical display multi-angle heat lamp. Background Technology

[0002] In modern medical treatment, heat lamps are a common physiotherapy device widely used for wound healing, anti-inflammatory and analgesic purposes. However, traditional medical heat lamps have many limitations in their use.

[0003] In terms of angle adjustment, traditional heat lamps can only be adjusted in a simple way, making it difficult to accurately irradiate specific parts of the patient's body, resulting in poor treatment effects. Moreover, manual angle adjustment is not only inconvenient to operate, but may also cause discomfort to the patient due to improper adjustment. Regarding temperature and time control, traditional heat lamps lack temperature control and timing functions, requiring medical staff to rely on experience to adjust the temperature and irradiation time. This can easily lead to problems such as excessively high temperature or excessive irradiation time, causing burns to the patient's skin, or excessively low temperature or insufficient irradiation time, failing to achieve the desired treatment effect. In addition, the structural design of traditional heat lamps is not flexible enough, and the position and height of the lamp body are inconvenient to adjust, which can easily affect the stability and safety of treatment during use.

[0004] To address the aforementioned issues, a medical-grade multi-angle heat lamp with a display screen was developed. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of the existing technology by providing a medical display-enabled multi-angle heat lamp. To achieve the above objectives, the technical solution adopted by the present invention is as follows: A medical displayable multi-angle heat lamp includes: a base, a telescopic adjustment rod fixedly disposed on the upper part of the base, a controller fixedly disposed on the upper part of the telescopic adjustment rod, an adjustment bracket rotatably disposed on the upper part of the controller, and a lamp body rotatably disposed on the end of the adjustment bracket away from the controller. The adjusting bracket includes: a lower support rod and an upper support rod rotatably disposed on the top of the lower support rod; The controller includes: a main body, a motor fixedly disposed within the main body, a display screen controller fixedly disposed on the upper part of the main body, and a power supply fixedly disposed within the main body; The output end of the motor extends outside the main body, the bottom of the lower support rod is fixedly connected to the output end of the motor, and the motor and the power supply are electrically connected to the display screen controller respectively. The lamp body includes: a lampshade rotatably mounted on the top of the upper support rod, an infrared lamp detachably mounted in the lampshade, and a temperature sensor fixedly mounted inside the lampshade. The infrared lamp is electrically connected to the display screen controller, the telescopic adjustment rod is electrically connected to the display screen controller, and the temperature sensor is electrically connected to the display screen controller.

[0006] Furthermore, the lower support rod includes: a first support rod, a second support rod, and a first connecting member; The bottom of the first support rod is fixedly connected to the output end of the motor; a through groove is formed on the first support rod along its thickness direction, and the second support rod passes through the through groove; the first connector is composed of a first connecting plate and a second connecting plate. The first connecting plate has a first through hole, a second through hole, and a third through hole respectively along the thickness direction of the first connecting plate. The second connecting plate has a fifth through hole, a sixth through hole, and an eighth through hole coaxial with the first through hole respectively along the thickness direction of the second connecting plate. The first connecting plate and the second connecting plate are rotatably disposed on both sides of the bottom of the first support rod through the first through hole and the fifth through hole, respectively. The bottom of the second support rod is rotatably disposed between the first connecting plate and the second connecting plate through the second through hole and the sixth through hole, respectively. The third through hole and the eighth through hole are provided with first bolts. The first bolts fix the bottom of the first support rod and the bottom of the second support rod between the first connecting plate and the second connecting plate through the first nut.

[0007] Furthermore, the display screen controller includes a PLC temperature control module and a timing module; the PLC temperature control module and the timing module are electrically connected to the power supply.

[0008] Furthermore, the lamp body also includes: a non-woven fabric lamp cover; The non-woven fabric lamp cover is fitted onto the outer surface of the lampshade, and a heat insulation layer is fixedly provided on the outer surface of the non-woven fabric lamp cover.

[0009] Furthermore, the upper support rod includes: a second connector, two second springs, and a third support rod; The second connector is composed of a third connecting plate and a fourth connecting plate. The third connecting plate has a ninth through hole, a tenth through hole, an eleventh through hole, and a twelfth through hole respectively along the thickness direction of the third connecting plate. The fourth connecting plate has a thirteenth through hole, a fourteenth through hole, a fifteenth through hole, and a sixteenth through hole that are coaxial with the ninth through hole, along the thickness direction of the fourth connecting plate. The third connecting plate and the fourth connecting plate are rotatably disposed on the top sides of the first support rod through the tenth through hole and the fourteenth through hole, respectively. At the same time, the third connecting plate and the fourth connecting plate are rotatably disposed on the top sides of the first support rod through the eleventh through hole and the fifteenth through hole, respectively. The bottom of the third support rod is rotatably disposed between the third connecting plate and the fourth connecting plate through the ninth through hole and the thirteenth through hole, respectively. The twelfth through hole and the sixteenth through hole are provided with second bolts. The second bolts and the second nuts fix the top of the first support rod, the top of the second support rod, and the bottom of the third support rod between the third connecting plate and the fourth connecting plate.

[0010] Furthermore, the first through hole, the second through hole, and the third through hole are distributed in a triangular pattern on the first connecting plate, and the fifth through hole, the sixth through hole, and the eighth through hole are distributed in a triangular pattern on the second connecting plate.

[0011] Furthermore, the ninth, tenth, and eleventh through holes are distributed in a triangular pattern on the third connecting plate, and the thirteenth, fourteenth, and fifteenth through holes are distributed in a triangular pattern on the fourth connecting plate.

[0012] Furthermore, the lower support rod also includes: two first springs; the two first springs are respectively fixedly disposed on the outer side of the first connecting plate and the second connecting plate, the bottom end of the first spring is detachably connected to the first connecting member, and the top end of the first spring is detachably connected to the first support rod.

[0013] Furthermore, the upper support rod includes: two second springs; the two second springs are respectively fixedly disposed on the outer side of the third connecting plate and the fourth connecting plate, the top end of the second spring is detachably connected to the third support rod, and the bottom end of the second spring is detachably connected to the second connecting member.

[0014] Furthermore, four casters are fixedly provided on the lower part of the base.

[0015] The present invention adopts the above technical solution and has the following technical effects compared with the prior art: This invention enables flexible adjustment of height and angle, and precise control of temperature and time, effectively solving many problems existing in traditional medical heat lamps, meeting the needs of different patients, and improving treatment effectiveness and safety. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the adjusting bracket in this utility model; Figure 3 This is a schematic diagram of the structure of the first connecting member in this utility model; Figure 4 This is a schematic diagram of the structure of the second connecting member in this utility model; The reference numerals in the attached figures are: 1. Base; 2. Telescopic adjustment rod; 3. Controller; 4. Adjustment bracket; 5. Lamp body; 6. Lower support rod; 7. Upper support rod; 8. Motor; 9. Display screen controller; 10. Lamp cover; 11. Infrared lamp; 12. First support rod; 13. Second support rod; 14. First spring; 15. First connector; 16. Second connector; 17. First connecting plate; 18. Second connecting plate; 19. First through hole; 10. Second through hole; 11. Third through hole; 12. Third connecting plate; 13. Fourth connecting plate; 14. Second through hole; 15. Third through hole; 16. Fourth through hole; 17. Second nut; 18. Second spring; 19. Third support rod; 10. Third connecting plate; 11. Fourth connecting plate; 12. Second nut; 19. Caster wheel; 20. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0020] Example

[0021] This embodiment provides a medical multi-angle heat lamp with a display screen, such as... Figures 1-3 As shown, the medical multi-angle heat lamp with display screen mainly includes a base 1, a telescopic adjustment rod 2, a controller 3, an adjustment bracket 4, and a lamp body 5.

[0022] The base 1 serves as the supporting foundation for the entire heat lamp, and four universal wheels 8 are fixedly installed on its lower part. This allows the heat lamp to be easily moved in different medical scenarios such as wards and treatment rooms. Medical staff can quickly adjust the position of the heat lamp according to the specific location of the patient and treatment needs, without having to carry it away, which greatly improves the convenience and efficiency of the equipment.

[0023] The telescopic adjustment rod 2 is fixedly installed on the upper part of the base 1 and is electrically connected to the display screen controller 33. It can be height adjusted according to the operation instructions of medical staff. In the actual treatment process, different patients have different body heights and treatment sites. Through the height adjustment function of the telescopic adjustment rod 2, it can be ensured that the lamp body 5 can irradiate the patient's affected area at a suitable distance to ensure the treatment effect. For example, the telescopic adjustment rod 2 can be adjusted to a higher position to keep the lamp body 5 at an appropriate distance from the wound to achieve the best irradiation intensity and range; or the telescopic adjustment rod 2 can be adjusted to a lower position to avoid the irradiation distance being too far, which would lead to poor treatment effect.

[0024] The controller 3 is fixedly installed on the upper part of the telescopic adjustment rod 2 and is the control core of the entire heat lamp. The main body of the controller 3 contains a motor 32, a display screen controller 33 and a power supply. The output end of the motor 32 extends to the outside of the main body and is fixedly connected to the bottom of the lower support rod 41. Through the control signal issued by the display screen controller 33, the motor 32 can drive the adjustment bracket 4 to adjust the angle and realize the multi-angle irradiation of the lamp body 5. The display screen controller 33 includes a PLC temperature control module and a timing module. These two modules are electrically connected to the power supply and can accurately control the temperature and irradiation time of the heat lamp. During the treatment, medical staff can view and adjust parameters such as temperature and time in real time through the display screen on the display screen controller 33, avoiding the errors and risks caused by the traditional heat lamp relying on the experience of medical staff for adjustment.

[0025] The adjusting bracket 4 is rotatably mounted on the upper part of the controller 3, including a lower support rod 41 and an upper support rod 42 rotatably mounted on the top of the lower support rod 41. The lower support rod 41 is composed of a first support rod 411, a second support rod 412, and a first connecting member 414. The bottom of the first support rod 411 is fixedly connected to the output end of the motor 32. The motor 32 drives the first support rod 411 to rotate, thereby driving the entire adjusting bracket 4 to adjust its angle. A through groove is formed on the first support rod 411 along its thickness direction, and the second support rod 412 is disposed through the through groove. The first connecting member 414 is connected by a first connecting plate 4141 and a second connecting plate 4142 and a first screw. The bolt and the first nut 6 work together to fix the bottom of the first support rod 411 to the bottom of the second support rod 412. This structural design ensures the stability of the adjusting bracket 4 while also giving it a certain degree of flexibility, enabling multi-angle adjustment. The specific connection method is as follows: the first connecting plate 4141 has a first through hole 4144, a second through hole 4145, and a third through hole 4146 along its thickness direction. The second connecting plate 4142 has a fifth through hole coaxial with the first through hole 4144, a sixth through hole coaxial with the second through hole 4145, and an eighth through hole coaxial with the third through hole 4146 along its thickness direction. The first connecting plate 4141 and the second connecting plate 4142 are rotatably disposed on both sides of the bottom of the first support rod 411 through the first through hole 4144 and the fifth through hole, respectively. The bottom of the second support rod 412 is rotatably disposed between the first connecting plate 4141 and the second connecting plate 4142 through the second through hole 4145 and the sixth through hole, respectively. The third through hole 4146 and the eighth through hole are provided with the first bolt. The first bolt fixes the bottom of the first support rod 411 and the bottom of the second support rod 412 between the first connecting plate 4141 and the second connecting plate 4142 through the first nut 6.

[0026] The upper support rod 42 is constructed via a second connector 415, two second springs 421, and a third support rod 422. The second connector 415 is composed of a third connecting plate 4151 and a fourth connecting plate 4152. The third connecting plate 4151 has a ninth through hole 4153, a tenth through hole 4154, an eleventh through hole 4155, and a twelfth through hole 4156 along its thickness direction. The fourth connecting plate 4152 has a thirteenth through hole coaxial with the ninth through hole 4153, a fourteenth through hole coaxial with the tenth through hole 4154, a fifteenth through hole coaxial with the eleventh through hole 4155, and a sixteenth through hole coaxial with the twelfth through hole 4156 along its thickness direction. The third connecting plate 4151 and the fourth connecting plate 4152 are rotatably mounted on the top of the first support rod 411 via the tenth through hole 4154 and the fourteenth through hole, respectively. On both sides of the first support rod 411, the third connecting plate 4151 and the fourth connecting plate 4152 are rotatably mounted on the top sides of the first support rod 411 through the eleventh through hole 4155 and the fifteenth through hole, respectively. The bottom of the third support rod 422 is rotatably mounted between the third connecting plate 4151 and the fourth connecting plate 4152 through the ninth through hole 4153 and the thirteenth through hole, respectively. The twelfth through hole 4156 and the sixteenth through hole are provided with second bolts. The second bolts fix the top of the first support rod 411, the top of the second support rod 412, and the bottom of the third support rod 422 between the third connecting plate 4151 and the fourth connecting plate 4152 through the second nut 7. The lamp body 5 is rotatably mounted on the end of the adjusting bracket 4 away from the controller 3. It is a key component for directly irradiating patients. The lamp body 5 includes a lamp cover 51 rotatably mounted on the top of the upper support rod 42, an infrared lamp 52 detachably mounted in the lamp cover 51, and a temperature sensor fixedly mounted inside the lamp cover 51. The infrared lamp 52 is electrically connected to the display screen controller 33. Medical staff can adjust the power of the infrared lamp 52 according to the treatment needs through the display screen controller 33, thereby controlling the irradiation intensity. The temperature sensor can monitor the temperature of the lamp body 5 in real time and feed the temperature signal back to the display screen controller 33. The display screen controller 33 regulates the temperature through the PLC temperature control module to ensure that the lamp works within a safe temperature range and avoids burning the patient's skin. In addition, the lamp body 5 also includes a non-woven fabric lamp cover, which is fitted on the outer surface of the lamp cover 51, and a heat insulation layer is fixedly mounted on its outer surface. The non-woven fabric lamp cover has good breathability and heat insulation, which can prevent patients from being burned by the lamp body due to overheating during irradiation. At the same time, it can also ensure the effective penetration of infrared rays. When the infrared lamp 52 needs to be replaced, it can be removed from the lamp cover 51, which is convenient and quick, reducing the maintenance cost and maintenance difficulty of the equipment.

[0027] During use, medical staff first adjust the height of the heat lamp by operating the telescopic adjustment rod 2 through the display controller 33 according to the patient's body part and treatment needs. Then, they control the motor 32 to drive the adjustment bracket 4 to adjust the angle of the lamp body 5, so that the infrared lamp 52 can accurately irradiate the specific part of the patient. After adjusting the height of the heat lamp to a suitable position, the angle of the adjustment bracket 4 is adjusted so that the lamp body 5 is directly facing the affected area, ensuring that the infrared rays can effectively irradiate the affected area, promoting inflammation reduction and tissue repair. During the treatment, the PLC temperature control module and timing module monitor the temperature and time in real time to ensure the safety and effectiveness of the treatment. When the treatment time reaches the set value or the temperature becomes abnormal, the display controller 33 will issue an alarm and automatically cut off the power to avoid causing unnecessary harm to the patient.

[0028] In summary, this invention achieves flexible adjustment of height and angle, and precise control of temperature and time, effectively solving many problems existing in traditional medical heat lamps, meeting the needs of different patients, and improving treatment effectiveness and safety.

[0029] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A medical multi-angle heat lamp with a display screen, characterized in that, include: The base (1), the telescopic adjustment rod (2) fixedly disposed on the upper part of the base (1), the controller (3) fixedly disposed on the upper part of the telescopic adjustment rod (2), the adjustment bracket (4) rotatably disposed on the upper part of the controller (3), and the lamp body (5) rotatably disposed on the end of the adjustment bracket (4) away from the controller (3). The adjusting bracket (4) includes: a lower support rod (41) and an upper support rod (42) rotatably disposed on the top of the lower support rod (41). The controller (3) includes: a main body, a motor (32) fixedly disposed within the main body, a display screen controller (33) fixedly disposed on the upper part of the main body, and a power supply fixedly disposed within the main body; The output end of the motor (32) extends outside the main body, the bottom of the lower support rod (41) is fixedly connected to the output end of the motor (32), and the motor (32) and the power supply are electrically connected to the display screen controller (33). The lamp body (5) includes: a lamp cover (51) rotatably disposed on the top of the upper support rod (42), an infrared lamp (52) detachably disposed in the lamp cover (51), and a temperature sensor fixedly disposed in the lamp cover (51). The infrared lamp (52) is electrically connected to the display screen controller (33), the telescopic adjustment rod (2) is electrically connected to the display screen controller (33), and the temperature sensor is electrically connected to the display screen controller (33).

2. The medical multi-angle heat lamp with display screen according to claim 1, characterized in that, The lower support rod (41) includes: a first support rod (411), a second support rod (412), and a first connector (414). The bottom of the first support rod (411) is fixedly connected to the output end of the motor (32); a through groove is provided on the first support rod (411) along the thickness direction of the first support rod (411), and the second support rod (412) is provided through the through groove; the first connecting member (414) is composed of a first connecting plate (4141) and a second connecting plate (4142); The first connecting plate (4141) has a first through hole (4144), a second through hole (4145), and a third through hole (4146) respectively along the thickness direction of the first connecting plate (4141). The second connecting plate (4142) has a fifth through hole coaxial with the first through hole (4144), a sixth through hole coaxial with the second through hole (4145), and an eighth through hole coaxial with the third through hole (4146) respectively along the thickness direction of the second connecting plate (4142). The first connecting plate (4141) and the second connecting plate (4142) are rotatably disposed on both sides of the bottom of the first support rod (411) through the first through hole (4144) and the fifth through hole, respectively. The bottom of the second support rod (412) is rotatably disposed between the first connecting plate (4141) and the second connecting plate (4142) through the second through hole (4145) and the sixth through hole, respectively. The third through hole (4146) and the eighth through hole are provided with a first bolt. The first bolt fixes the bottom of the first support rod (411) and the bottom of the second support rod (412) between the first connecting plate (4141) and the second connecting plate (4142) through the first nut (6).

3. A medical multi-angle heat lamp with display screen according to claim 1, characterized in that, The display screen controller (33) includes a PLC temperature control module and a timing module; the PLC temperature control module and the timing module are electrically connected to the power supply respectively.

4. A medical multi-angle heat lamp with display screen according to claim 1, characterized in that, The lamp body (5) also includes: a non-woven fabric lamp cover; The non-woven fabric lamp cover is fitted onto the outer surface of the lampshade (51), and a heat insulation layer is fixedly provided on the outer surface of the non-woven fabric lamp cover.

5. A medical multi-angle heat lamp with display screen according to claim 2, characterized in that, The upper support rod (42) includes: a second connector (415), two second springs (421), and a third support rod (422). The second connector (415) is composed of a third connector (4151) and a fourth connector (4152); The third connecting plate (4151) has a ninth through hole (4153), a tenth through hole (4154), an eleventh through hole (4155), and a twelfth through hole (4156) respectively along the thickness direction of the third connecting plate (4151). The fourth connecting plate (4152) has a thirteenth through hole coaxial with the ninth through hole (4153), a fourteenth through hole coaxial with the tenth through hole (4154), a fifteenth through hole coaxial with the eleventh through hole (4155), and a sixteenth through hole coaxial with the twelfth through hole (4156) respectively along the thickness direction of the fourth connecting plate (4152). The third connecting plate (4151) and the fourth connecting plate (4152) are rotatably mounted on the top sides of the first support rod (411) through the tenth through hole (4154) and the fourteenth through hole, respectively. Simultaneously, the third connecting plate (4151) and the fourth connecting plate (4152) are rotatably mounted on the top sides of the first support rod (411) through the eleventh through hole (4155) and the fifteenth through hole, respectively. The bottom of the third support rod (422) is connected through the ninth through hole... Hole (4153) and the thirteenth through hole are rotatably disposed between the third connecting plate (4151) and the fourth connecting plate (4152). The twelfth through hole (4156) and the sixteenth through hole are provided with second bolts. The second bolts fix the top of the first support rod (411), the top of the second support rod (412), and the bottom of the third support rod (422) between the third connecting plate (4151) and the fourth connecting plate (4152) through the second nut (7).

6. A medical multi-angle heat lamp with a display screen according to claim 2, characterized in that, The first through hole (4144), the second through hole (4145), and the third through hole (4146) are distributed in a triangular pattern on the first connecting plate (4141), and the fifth through hole, the sixth through hole, and the eighth through hole are distributed in a triangular pattern on the second connecting plate (4142).

7. A medical multi-angle heat lamp with a display screen according to claim 5, characterized in that, The ninth through hole (4153), the tenth through hole (4154), and the eleventh through hole (4155) are distributed in a triangular pattern on the third connecting plate (4151), and the thirteenth through hole, the fourteenth through hole, and the fifteenth through hole are distributed in a triangular pattern on the fourth connecting plate (4152).

8. A medical multi-angle heat lamp with display screen according to claim 6, characterized in that, The lower support rod (41) further includes: two first springs (413); the two first springs (413) are respectively fixedly disposed on the outside of the first connecting plate (4141) and the second connecting plate (4142), the bottom end of the first spring (413) is detachably connected to the first connecting piece (414), and the top end of the first spring (413) is detachably connected to the first support rod (411).

9. A medical multi-angle heat lamp with display screen according to claim 7, characterized in that, The upper support rod (42) includes two second springs (421); the two second springs (421) are respectively fixedly disposed on the outer side of the third connecting plate (4151) and the fourth connecting plate (4152), the top end of the second spring (421) is detachably connected to the third support rod (422), and the bottom end of the second spring (421) is detachably connected to the second connector (415).

10. A medical multi-angle heat lamp with a display screen according to claim 1, characterized in that, The lower part of the base (1) is fixedly provided with four casters (8).