3D printed endoscope probe with temperature-regulated cavity structure
By setting up a temperature-regulating cavity structure around the endoscope probe, combined with a cooling medium and supporting components, the complexity of endoscope thermal management is solved, stable control of probe temperature is achieved, the risk of tissue thermal damage is reduced, it is suitable for ultra-fine diameter endoscopes, and the safety of minimally invasive surgery is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN RUIQI INFORMATION TECH CO LTD
- Filing Date
- 2025-04-09
- Publication Date
- 2026-07-14
AI Technical Summary
Existing endoscopes present thermal management challenges under high-brightness illumination, especially in narrow cavities where heat dissipation efficiency is low, making effective temperature control difficult and increasing the risk of tissue thermal damage. Furthermore, traditional heat dissipation solutions are difficult to apply in ultra-narrow diameter endoscopes.
A 3D-printed endoscope probe with a temperature-regulating cavity structure was designed. By setting a temperature-regulating cavity around the probe body, combined with a cooling medium and supporting components, the probe temperature can be precisely regulated and slowly released. The cavity structure is less than 1 mm thick, which can adapt to the temperature requirements of different parts.
It achieves stable temperature control of the probe when it stays inside the human body for a long time, reduces the risk of tissue thermal damage, is suitable for ultra-fine diameter endoscopes, and improves the safety of minimally invasive surgery.
Smart Images

Figure CN224483960U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of endoscopic instruments, specifically relating to a 3D-printed endoscopic probe with a temperature-adjustable cavity structure. Background Technology
[0002] The light source and vision system of an endoscope are core components ensuring intracavitary visualization, but their thermal effects have always been a key issue restricting the safety of the equipment. Early endoscopes used incandescent or halogen lamps as illumination sources. Although these lamps were bright, they generated a great deal of heat, requiring physical isolation or air cooling to reduce heat conduction. However, the risk of tissue burns due to increased temperature at the endoscope tip remained. In the 1970s, the introduction of cold light source technology (such as the combination of xenon lamps and fiber optic light guides) partially alleviated the thermal damage problem. By placing the light source externally and conducting light through optical fibers, heat accumulation inside the endoscope was reduced. However, the transmission efficiency of optical fibers is limited. Under high-power illumination requirements, the endoscope tip temperature may still rise due to heating of the fiber end face or localized light energy loss, especially during prolonged surgeries, posing a potential risk of mucosal tissue thermal damage.
[0003] Since the beginning of the 21st century, LED light sources have gradually replaced traditional xenon lamps due to their advantages of low power consumption, miniaturization, and controllability. However, to meet the brightness requirements of high-definition endoscopic imaging, high-density LED arrays or short-pulse high-intensity light modes are often used, and their instantaneous heat load may still be conducted to human tissue through the endoscope. In addition, some special endoscopic technologies (such as laser-assisted therapy or fluorescence imaging) require the integration of high-energy lasers or specific wavelength light sources, further exacerbating the complexity of thermal management. In existing technologies, although attempts have been made to reduce the endoscope temperature through heat dissipation coatings, thermoelectric cooling, or liquid cooling circulation systems, such solutions often result in bulky endoscope structures, increased costs, and difficulty in achieving effective heat dissipation in ultra-fine diameter endoscopes (diameter <3mm).
[0004] More importantly, current endoscopic thermal safety standards mainly rely on external temperature monitoring and empirical operation time control, lacking the ability to perceive and dynamically adjust the actual heat distribution within the body in real time. For example, in narrow cavities (such as bile ducts or cerebral blood vessels), the endoscope is in close contact with tissues, significantly reducing heat dissipation efficiency, and traditional temperature control strategies are prone to failure. Therefore, developing an endoscopic temperature control structure that can achieve effective thermal management without increasing the original size has become an urgent need to improve the safety of minimally invasive surgery and expand its clinical applications. Utility Model Content
[0005] In view of this, to overcome at least one of the aforementioned defects in the prior art, this utility model provides a 3D-printed endoscope probe with a temperature-adjustable cavity structure, which can effectively solve the related problems, comprising:
[0006] The endoscope probe includes a probe body with an installation chamber for mounting a vision chip and an illumination chip. A temperature-regulating cavity structure is arranged around the installation chamber. The temperature of the probe body is controlled by adjusting the position, structure, and size of the cavity. While the probe body itself can effectively dissipate heat due to the presence of a cooling medium or other heat dissipation structures, the heat dissipation varies across different parts due to the probe's structural design. Therefore, a temperature-regulating cavity structure is needed to locally or completely control the probe temperature. This structure not only regulates the temperature but also provides a slow release of heat transfer.
[0007] According to the prior art described in the background section of this utility model, existing endoscope probes use external cooling and cleaning water channels to clean and cool the probe, which makes it difficult to control local problems of the probe; while the 3D printed endoscope probe with a temperature-adjustable cavity structure disclosed in this utility model has a temperature-adjustable cavity structure set around the installation chamber. This structure can be combined with other heat dissipation methods to keep the probe temperature at around 30 degrees or other suitable temperatures, so that it can stay inside the human body for a long time.
[0008] In addition, the 3D-printed endoscope probe with an adjustable temperature cavity structure disclosed in this utility model also has the following additional technical features:
[0009] Furthermore, the narrowest section of the cavity thickness of the cavity structure is less than 1 mm.
[0010] Furthermore, the cavity structure is provided with supporting components.
[0011] Furthermore, the supporting member is a rod-shaped or sheet-shaped structure connecting the inner wall, and the supporting member is a straight structure connecting the inner wall or a curved structure connecting the inner wall.
[0012] Furthermore, the cavity structure comprises multiple honeycomb structures distributed around the mounting chamber or probe body. The size, shape, and cavity volume of the honeycomb structures are determined by the temperature requirements of the probe or mounting chamber. The honeycomb structure can be multiple interconnected closed polygonal structures or open polygonal structures.
[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0014] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:
[0015] Figure 1 This is a top view schematic diagram of an embodiment of the present utility model;
[0016] Figure 2 This is a schematic cross-sectional view of the cavity structure according to an embodiment of the present invention;
[0017] Figure 3 yes Figure 2 Schematic diagram of longitudinal section of cavity structure;
[0018] Among them, 1 is the installation chamber (the chamber where the heating element is installed), and 2 is the cavity structure. Detailed Implementation
[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "horizontal", "vertical", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connection," "connection," "linking," "fitting," and "cooperation" should be interpreted broadly. For example, they can refer to a fixed connection, an integral connection, or a detachable connection; they can refer to the internal connection of two components; they can refer to a direct connection or an indirect connection through an intermediate medium; "fitting" can refer to the fit between surfaces, the fit between a point and a surface or a line and a surface, and also includes the fit between a hole and a shaft. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0022] The 3D-printed endoscope probe with an adjustable temperature cavity structure of this invention will now be described with reference to the accompanying drawings. Figure 1 This is a top view schematic diagram of an embodiment of the present utility model; Figure 2 , 3 This is a schematic diagram of the cross-section and longitudinal section of the cavity structure according to an embodiment of the present invention.
[0023] According to embodiments of the present invention, such as Figure 1-3The endoscope probe includes a probe body, on which a mounting chamber for installing a vision chip and an illumination chip is provided. A temperature-regulating cavity structure is provided around the mounting chamber. The temperature of the probe body is controlled by the position, structure, and size of the cavity structure. For the probe body, the presence of a cooling medium or other heat dissipation structure can effectively dissipate the heat of the probe itself. However, due to the structural problems of the probe itself, the heat dissipation of different parts is different. Therefore, it is necessary to design a temperature-regulating cavity structure to control the temperature of the probe locally or completely.
[0024] Furthermore, the narrowest section of the cavity thickness of the cavity structure is less than 1 mm.
[0025] Furthermore, the cavity structure is provided with supporting components.
[0026] Furthermore, the supporting member is a rod-shaped or sheet-shaped structure connecting the inner wall, and the supporting member is a straight structure connecting the inner wall or a curved structure connecting the inner wall.
[0027] Furthermore, the cavity structure comprises multiple honeycomb structures distributed around the mounting chamber or probe body. The size, shape, and cavity volume of the honeycomb structures are determined by the temperature requirements of the probe or mounting chamber. The honeycomb structure can be multiple interconnected closed polygonal structures or open polygonal structures.
[0028] According to an embodiment of this utility model, temperature control is achieved by controlling the cavity structure in the endoscope.
[0029] According to an embodiment of this utility model, the cavity structure is located on the outer wall of the probe body and close to the heating unit. The cavity structure can be the same or different. The cavity structure can be independently designed according to the temperature requirements or settings of each part of the probe, including the size and shape of the cavity inside the cavity structure, and the auxiliary structures already existing inside, such as a support member. The shape of the support member can be a rod-shaped or sheet-shaped structure connecting the inner wall. The support member can be a straight structure connecting the inner wall or a curved structure connecting the inner wall at both ends.
[0030] Any reference to "an embodiment," "embodiment," "illustrative embodiment," etc., means that the specific component, structure, or feature described in connection with that embodiment is included in at least one embodiment of this utility model. Such illustrative expressions throughout this specification do not necessarily refer to the same embodiment. Furthermore, when a specific component, structure, or feature is described in connection with any embodiment, it is claimed that implementing such a component, structure, or feature in connection with other embodiments falls within the scope of those skilled in the art.
[0031] Although the specific embodiments of this utility model have been described in detail with reference to several illustrative examples, it should be understood that those skilled in the art can devise various other modifications and embodiments that fall within the spirit and scope of the principles of this utility model. Specifically, reasonable variations and modifications can be made to the arrangement of components and / or dependent combinations within the scope of the foregoing disclosure, drawings, and claims without departing from the spirit of this utility model. The scope of these variations and modifications, except for those concerning components and / or layout, is defined by the appended claims and their equivalents.
Claims
1. A 3D-printed endoscope probe with a temperature-adjustable cavity structure, characterized in that... ,include: The endoscope probe includes a probe body, on which a mounting chamber for installing a vision chip and an illumination chip is provided, and a temperature-regulating cavity structure is provided around the mounting chamber or the probe body.
2. The 3D-printed endoscope probe with an adjustable temperature cavity structure according to claim 1, characterized in that, The narrowest section of the cavity thickness of the cavity structure is less than 1 mm.
3. The 3D-printed endoscope probe with an adjustable temperature cavity structure according to claim 1, characterized in that, The cavity structure is equipped with supporting components.
4. The 3D-printed endoscope probe with an adjustable temperature cavity structure according to claim 3, characterized in that, The supporting member is a rod-shaped or sheet-shaped structure connecting the inner wall, and the supporting member is a straight structure connecting the inner wall or a curved structure connecting the inner wall.
5. The 3D-printed endoscope probe with an adjustable temperature cavity structure according to claim 1, characterized in that, The cavity structure consists of multiple honeycomb-like structures distributed around the mounting chamber or probe body. The size, shape, and cavity volume of the honeycomb-like structures are determined by the temperature requirements of the probe or the mounting chamber to form the desired structure.