Movable thermal therapy radiator capable of automatically changing size

By designing a mobile thermotherapy radiator that can change size independently, and using a positioning mandrel, an arc-shaped thermotherapy section, and a linkage mechanism to adjust the diameter, the problem of size adaptability of existing thermotherapy radiators is solved, providing good thermotherapy effect and comfort.

CN224251610UActive Publication Date: 2026-05-19PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)
Filing Date
2025-01-21
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

The size of existing hyperthermia radiators is not suitable for the needs of different patients, causing some patients to feel uncomfortable or unable to fully fit the lesion site.

Method used

A mobile thermotherapy radiator capable of autonomously changing size was designed. Through the combination of a positioning mandrel, an arc-shaped thermotherapy section, a push-pull sleeve, an internally threaded sleeve, and a linkage mechanism, the radial movement and diameter adjustment of the arc-shaped thermotherapy section are achieved, and the thermotherapy effect is provided in conjunction with a microwave module.

Benefits of technology

The diameter of the thermotherapy radiator is adjustable, and it can automatically tighten inside the patient's body to provide a good thermotherapy effect and reduce patient discomfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a movable thermal therapy radiator capable of automatically changing the size, belongs to the technical field of medical instruments, and solves the problem that the thermal therapy radiator in the prior art is single in size and is not suitable for different patients, so that the treatment effect is affected. The thermal therapy radiator comprises a positioning mandrel, an arc-shaped thermal therapy part, a push-pull sleeve, an internal thread sleeve and a connecting rod mechanism, a plurality of arc-shaped thermal therapy parts are movably mounted in the circumferential direction of the positioning mandrel through a connecting rod mechanism, and heating modules are nested in the arc-shaped thermal therapy parts; the push-pull sleeve is arranged outside the positioning mandrel in a sliding and sleeving manner; the internal thread sleeve is screwed with the positioning mandrel through threads, and the internal thread sleeve is connected with the push-pull sleeve through a bearing; when the internal thread sleeve rotates, the arc-shaped thermal therapy part can be driven by the push-and-pull sleeve and the connecting rod mechanism to move in the radial direction relative to the positioning mandrel. According to the utility model, the diameter of the thermal therapy radiator can be adjusted, and the thermal therapy radiator can meet the use requirements of different patients.
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Description

Technical Field

[0001] This utility model relates to the field of thermotherapy radiators, and in particular to a mobile thermotherapy radiator that can change size independently. Background Technology

[0002] Cervical cancer is the most common benign tumor of the female reproductive system, and hyperthermia is a commonly used treatment for cervical cancer.

[0003] However, most cervical radiators commonly available on the market are 30mm in diameter. When performing thermotherapy on different patients, they sometimes cannot completely fit the lesion site of the patient's internal tissue, or the diameter is too large, causing discomfort to some patients.

[0004] Therefore, there is a need to provide a thermotherapy radiator that can automatically change size to meet the needs of different patients. Utility Model Content

[0005] Based on the above analysis, the present invention aims to provide a portable thermotherapy radiator that can be independently resized to solve the problem that the size of existing thermotherapy radiators cannot meet the needs of different patients.

[0006] The objective of this utility model is mainly achieved through the following technical solutions:

[0007] A mobile hyperthermia radiator capable of autonomously changing size includes: a positioning mandrel, an arc-shaped hyperthermia section, a push-pull sleeve, an internally threaded sleeve, and a linkage mechanism; multiple arc-shaped hyperthermia sections are evenly spaced along the circumference of the positioning mandrel, and heating modules are nested inside the arc-shaped hyperthermia sections, the heating modules being capable of generating heat when powered on; the arc-shaped hyperthermia sections are movably mounted on the outside of the positioning mandrel via the linkage mechanism; the push-pull sleeve is slidably sleeved on the outside of the positioning mandrel; the internally threaded sleeve is threadedly connected to the positioning mandrel, and the internally threaded sleeve and the push-pull sleeve are connected via bearings;

[0008] The linkage mechanism includes a first linkage and a second linkage; one end of the first linkage is hinged to one end of the second linkage, and the other ends of the first linkage and the second linkage are respectively hinged to the push-pull sleeve and the positioning mandrel; when the internally threaded sleeve rotates, it can drive the push-pull sleeve to move linearly along the axial direction of the positioning mandrel, thereby driving the arc-shaped heat therapy part to move radially relative to the positioning mandrel through the linkage mechanism, so as to realize the adjustment of the diameter of the mobile heat therapy radiator.

[0009] Furthermore, a microwave module is provided inside the positioning mandrel for microwave radiation.

[0010] Furthermore, the positioning mandrel includes: a positioning cap, a mandrel tube, and an externally threaded tube; the positioning cap, mandrel tube, and externally threaded tube are sequentially fixedly connected or are an integral structure.

[0011] Furthermore, a first hinge seat is provided on the side of the push-pull sleeve facing the mandrel tube, one end of the first connecting rod is hinged to the first hinge seat on the push-pull sleeve, and the other end is hinged to the second connecting rod.

[0012] Furthermore, the positioning cap is provided with a plurality of second hinge seats on the side facing the mandrel tube; one end of the second connecting rod is hinged to the first connecting rod, and the other end is hinged to the second hinge seat on the positioning cap.

[0013] Furthermore, a third hinge seat is provided in the middle of the inner side of the arc-shaped heat therapy section, and the first connecting rod and the second connecting rod are simultaneously hinged to the third hinge seat to realize the hinge between the first connecting rod and the second connecting rod.

[0014] Furthermore, the arc-shaped heat therapy section and the linkage mechanism are arranged in six sets at equal intervals along the circumferential direction of the positioning mandrel.

[0015] Furthermore, both the mandrel tube and the externally threaded tube are hollow tubes, and cables and electrical components for realizing the mobile thermotherapy radiator are installed inside them.

[0016] Furthermore, the outer surface of each of the multiple arc-shaped heat therapy sections is covered with an elastic rubber sleeve.

[0017] Furthermore, one end of the elastic sleeve is bonded to the edge of the positioning cap, and the other end of the elastic sleeve is bonded to the edge of the push-pull sleeve.

[0018] The technical solution of this utility model can achieve at least one of the following effects:

[0019] 1. The mobile thermotherapy radiator of this utility model can change its size independently. By setting multiple radially expandable arc-shaped thermotherapy sections, the arc-shaped thermotherapy sections are moved relative to the positioning core shaft through a linkage mechanism, thereby changing the overall size of the thermotherapy radiator. It can automatically tighten in the cervical cavity of the patient's body to achieve a good thermotherapy effect on the lesion site.

[0020] 2. The movable thermotherapy radiator of this utility model can independently change size. By rotating the outer internal threaded sleeve, the push-pull sleeve can be displaced, thereby realizing the deformation of the linkage mechanism. Through the linkage mechanism, the arc-shaped thermotherapy part can be moved closer to or away from the positioning mandrel. It can be placed into the patient's body in the smallest diameter state of the thermotherapy radiator, and the diameter can be adjusted by rotating the outer internal threaded sleeve.

[0021] In this invention, the above-described technical solutions can be combined with each other to achieve more preferred combinations. Other features and advantages of this invention will be set forth in the following description, and some advantages will become apparent from the description or be learned by practicing the invention. The objectives and other advantages of this invention can be realized and obtained from the description and accompanying drawings, which are particularly pointed out. Attached Figure Description

[0022] The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Throughout the drawings, the same reference numerals denote the same parts.

[0023] Figure 1 This utility model relates to a portable thermotherapy radiator that can independently change size.

[0024] Figure 2 This is a schematic diagram of the opened state of the mobile thermotherapy radiator of this utility model, which can independently change size.

[0025] Figure 3 This is a front view of the mobile thermotherapy radiator of this utility model that can independently change size.

[0026] Figure 4 This is a front view of the mobile thermotherapy radiator of this utility model in its open state, which can independently change size.

[0027] Figure 5 This is a structural schematic diagram of the positioning mandrel;

[0028] Figure 6 A magnified view of the positioning cap of the positioning mandrel;

[0029] Figure 7 This is a schematic diagram of the push-pull sleeve structure;

[0030] Figure 8 This is a schematic diagram of the first link;

[0031] Figure 9 This is a schematic diagram of the internal threaded sleeve.

[0032] Figure 10 This is a schematic diagram of the arc-shaped heat therapy section.

[0033] Figure label:

[0034] 1-Positioning cap; 2-Mandrel tube; 3-Arc-shaped heat therapy section; 4-Push-pull sleeve; 5-Internal threaded sleeve; 6-External threaded tube; 7-First connecting rod; 8-Second connecting rod; 9-First hinge seat; 10-Second hinge seat; 11-Third hinge seat; 12-Bending section. Detailed Implementation

[0035] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0036] Example 1

[0037] A specific embodiment of this utility model discloses a mobile thermotherapy radiator that can autonomously change size, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, it includes: a positioning mandrel, an arc-shaped heat therapy unit 3, a push-pull sleeve 4, an internally threaded sleeve 5, and a linkage mechanism; multiple arc-shaped heat therapy units 3 are evenly spaced along the circumference of the positioning mandrel, and heating modules are nested inside the arc-shaped heat therapy units 3, which can generate heat after being powered on; the arc-shaped heat therapy units 3 are movably mounted on the outside of the positioning mandrel through the linkage mechanism; the push-pull sleeve 4 is sleeved on the outside of the positioning mandrel and can slide relative to the positioning mandrel; when the push-pull sleeve 4 slides relative to the positioning mandrel along its axial direction, it can drive the arc-shaped heat therapy units 3 to move radially relative to the positioning mandrel through the linkage mechanism; the internally threaded sleeve 5 is screwed to the positioning mandrel, and the internally threaded sleeve 5 is connected to the push-pull sleeve 4 through a bearing; when the internally threaded sleeve 5 rotates, it can drive the push-pull sleeve 4 to move linearly along the axial direction of the positioning mandrel, and then drive the arc-shaped heat therapy units 3 to move radially through the linkage mechanism to change the diameter of the moving heat therapy radiator.

[0038] Furthermore, a microwave module is installed inside the mandrel tube 2 to achieve microwave radiation.

[0039] Furthermore, such as Figure 7 As shown, the push-pull sleeve 4 is provided with a plurality of first hinge seats 9 on the side facing the spindle tube 2. The first hinge seats 9 are used to connect with the linkage mechanism.

[0040] Specifically, such as Figure 9 As shown, the outer end of the internally threaded sleeve 5 is configured as a regular polygonal nut structure, which facilitates the rotation of the internally threaded sleeve 5.

[0041] In one specific embodiment of this utility model, such as Figure 5 As shown, the positioning mandrel includes: a positioning cap 1, a mandrel tube 2, and an externally threaded tube 6; the positioning cap 1, the mandrel tube 2, and the externally threaded tube 6 are sequentially fixedly connected or are an integral structure.

[0042] Furthermore, such as Figure 5 , Figure 6As shown, the diameter of the positioning cap 1 is greater than the outer diameter of the mandrel tube 2; the outer diameter of the external thread tube 6 is greater than the outer diameter of the mandrel tube 2.

[0043] Specifically, such as Figure 6 As shown, the positioning cap 1 is hemispherical; the side of the positioning cap 1 facing the spindle tube 2 is flat, and the side of the positioning cap 1 facing the spindle tube 2 is provided with a plurality of second hinge seats 10, which are used to connect with the linkage mechanism.

[0044] Preferably, the push-pull sleeve 4 is sleeved and installed outside the mandrel tube 2 of the positioning mandrel, and the two are slidably connected. Further, to prevent the push-pull sleeve 4 from rotating relative to the mandrel tube 2, the portion of the mandrel tube 2 that mates with the push-pull sleeve 4 is rectangular or a regular polygon, or a strip-shaped protrusion is provided in the portion of the mandrel tube 2 that mates with the push-pull sleeve 4, and a strip-shaped groove is provided on the inner side of the push-pull sleeve 4. The sliding engagement between the two is achieved through the cooperation of the strip-shaped protrusion and the strip-shaped groove, so that the push-pull sleeve 4 can only slide along the axial direction of the mandrel tube 2.

[0045] In one specific embodiment of this utility model, the arc-shaped heat therapy section 3 and the linkage mechanism are arranged in six groups at equal intervals along the circumferential direction of the positioning mandrel, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown.

[0046] Furthermore, the main body of the arc-shaped heat therapy section 3 is arc-shaped, and the arc-shaped heat therapy section 3 is coaxially arranged with the positioning mandrel. Both ends of the arc-shaped heat therapy section 3 are provided with inwardly bent portions 12, such as... Figure 10 As shown; by setting the bending part, the gap between the arc-shaped heat therapy part 3 and the positioning cap 1 and the push-pull sleeve 4 can be reduced.

[0047] Furthermore, multiple arc-shaped heat therapy units 3 can be combined into a complete cylindrical heat therapy structure. When the arc-shaped heat therapy units 3 are displaced under the drive of the linkage mechanism, the radial expansion of the cylindrical heat therapy structure can be realized, thereby realizing the adjustment of the overall diameter of the mobile heat therapy radiator of this utility model.

[0048] In this embodiment, the diameter of the cylindrical heat therapy structure composed of multiple sets of arc-shaped heat therapy sections 3 varies from 25mm to 40mm.

[0049] In one specific embodiment of this utility model, such as Figure 2 As shown, the linkage mechanism includes: a first link 7 and a second link 8; one end of the first link 7 is hinged to the first hinge seat 9 on the push-pull sleeve 4, and the other end is hinged to the second link 8; one end of the second link 8 is hinged to the first link 7, and the other end is hinged to the second hinge seat 10 on the positioning cap 1.

[0050] Specifically, such as Figure 8 As shown, the first connecting rod 7 has hinged portions at both ends, which can be hinged to the second connecting rod 8 or the first hinge seat 9 via hinge shafts. Meanwhile, the second connecting rod 8 has the same structure as the first connecting rod 7.

[0051] Furthermore, such as Figure 10 As shown, a third hinge seat 11 is provided in the middle of the inner side of the arc-shaped heat therapy section 3, and the first connecting rod 7 and the second connecting rod 8 are both hinged to the third hinge seat 11, thereby realizing the hinge between the first connecting rod 7 and the second connecting rod 8.

[0052] Furthermore, both the mandrel tube 2 and the externally threaded tube 6 are hollow tubes, and cables and electrical components for realizing the movable heat therapy radiator are arranged inside them; preferably, a cable routing groove (not shown in the figure, but can be processed according to actual needs) is opened on the mandrel tube 2 to allow the cable to pass through. Multiple cable routing grooves are arranged at equal intervals along the circumference of the mandrel tube 2 to respectively cooperate with multiple arc-shaped heat therapy parts 3.

[0053] Preferably, the multiple arc-shaped heat therapy sections 3 are covered with elastic sleeves; the elastic sleeves are made of medical-grade silicone that can undergo elastic deformation. One end of the elastic sleeve is bonded to the edge of the positioning cap 1, and the other end of the elastic sleeve is bonded to the edge of the push-pull sleeve 4.

[0054] In practice, firstly, the mobile hyperthermia radiator is placed inside the patient's body with its diameter at its smallest. Secondly, the internal threaded sleeve 5 is rotated to displace it axially along the external threaded tube 6. The internal threaded sleeve 5 and the push-pull sleeve 4 are rotatably connected via bearings, achieving synchronous displacement of the push-pull sleeve 4 and the internal threaded sleeve 5, while the push-pull sleeve 4 does not rotate. When the push-pull sleeve 4 displaces along the axis of the mandrel tube 2, it drives the first connecting rod 7 and the second connecting rod 8 to rotate relative to each other, thereby changing the angle between the first connecting rod 7 and the second connecting rod 8. By decreasing / increasing the angle between the two, the arc-shaped hyperthermia section 3 moves away from / closes to the mandrel tube 2, ultimately adjusting the overall radial size of the mobile hyperthermia radiator to support the cavity at the patient's lesion location. Finally, after adjustment, electrical hyperthermia is applied to minimize patient discomfort while achieving good hyperthermia effects.

[0055] It is worth noting that the heating principle of thermotherapy radiators is well known to those skilled in the art, and the structural design of the mobile thermotherapy radiator of this invention can be combined with existing thermotherapy radiators of different heating principles. In this embodiment, only the core improvement of this invention, namely the design that enables the diameter variation of the mobile thermotherapy radiator, is described. The heating method (thermocouple or heating wire can be selected), heating principle, and the arrangement of electronic components and cables are not elaborated.

[0056] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.

Claims

1. A portable thermotherapy radiator that can autonomously change size, characterized in that, include: The positioning mandrel comprises an arc-shaped heat therapy section (3), a push-pull sleeve (4), an internally threaded sleeve (5), and a linkage mechanism. Multiple arc-shaped heat therapy sections (3) are evenly spaced along the circumference of the positioning mandrel. A heating module is nested inside each arc-shaped heat therapy section (3), and the heating module generates heat when powered on. The arc-shaped heat therapy section (3) is movably mounted on the outside of the positioning mandrel via a linkage mechanism. The push-pull sleeve (4) is slidably fitted onto the outside of the positioning mandrel. The internally threaded sleeve (5) is screwed onto the positioning mandrel, and the internally threaded sleeve (5) and the push-pull sleeve (4) are connected via bearings. The linkage mechanism includes: a first link (7) and a second link (8); one end of the first link (7) is hinged to one end of the second link (8), and the other end of the first link (7) and the other end of the second link (8) are respectively hinged to the push-pull sleeve (4) and the positioning mandrel; when the internal threaded sleeve (5) rotates, it can drive the push-pull sleeve (4) to move linearly along the axial direction of the positioning mandrel, and then drive the arc-shaped heat therapy part (3) to move radially relative to the positioning mandrel through the linkage mechanism, thereby realizing the adjustment of the diameter of the mobile heat therapy radiator.

2. The mobile thermotherapy radiator with self-adjustable size according to claim 1, characterized in that, The positioning mandrel is equipped with a microwave module for microwave radiation.

3. The mobile hyperthermia radiator with self-adjustable size according to claim 1 or 2, characterized in that, The positioning mandrel includes: a positioning cap (1), a mandrel tube (2), and an external threaded tube (6); the positioning cap (1), the mandrel tube (2), and the external threaded tube (6) are fixedly connected in sequence or are an integral structure.

4. The mobile thermotherapy radiator with self-adjustable size according to claim 3, characterized in that, The push-pull sleeve (4) is provided with a first hinge seat (9) on the side facing the mandrel tube (2). One end of the first connecting rod (7) is hinged to the first hinge seat (9) on the push-pull sleeve (4), and the other end is hinged to the second connecting rod (8).

5. The mobile thermotherapy radiator with self-adjustable size according to claim 4, characterized in that, The positioning cap (1) is provided with a plurality of second hinge seats (10) on the side facing the mandrel tube (2); one end of the second connecting rod (8) is hinged to the first connecting rod (7), and the other end is hinged to the second hinge seat (10) on the positioning cap (1).

6. The mobile thermotherapy radiator with self-adjustable size according to claim 5, characterized in that, A third hinge seat (11) is provided in the middle of the inner side of the arc-shaped heat therapy section (3), and the first connecting rod (7) and the second connecting rod (8) are simultaneously hinged to the third hinge seat (11).

7. The mobile hyperthermia radiator capable of autonomously changing size according to any one of claims 1, 2, 4-6, characterized in that, The arc-shaped heat therapy section (3) and the linkage mechanism are arranged in six groups at equal intervals along the circumferential direction of the positioning mandrel.

8. The mobile thermotherapy radiator with self-adjustable size according to claim 3, characterized in that, Both the mandrel tube (2) and the external threaded tube (6) are hollow tubes, and cables and electrical components for realizing the mobile thermotherapy radiator are installed inside them.

9. The mobile thermotherapy radiator with self-adjustable size according to claim 1, characterized in that, The outer surface of the multiple arc-shaped heat therapy sections (3) is covered with an elastic rubber sleeve.

10. The mobile thermotherapy radiator with self-adjustable size according to claim 9, characterized in that, One end of the elastic sleeve is bonded to the edge of the positioning cap (1), and the other end of the elastic sleeve is bonded to the edge of the push-pull sleeve (4).