Constant temperature bone hemostatic material heater
By ensuring a tight fit between the heat-conducting plate and the heating cotton, and by precisely adjusting the temperature control components, the problems of uneven temperature and excessively large equipment size during the heating process of bone hemostatic materials are solved. This achieves efficient, convenient, and safe heating, making it suitable for flexible use in operating rooms.
Patent Information
- Application Number
- CN202521819985.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-26
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-08-26
AI Technical Summary
Existing methods for heating bone hemostatic materials suffer from problems such as uneven temperature, cumbersome operation, excessively large equipment size, or inaccurate temperature control, which cannot meet the needs of efficient, convenient, and safe softening treatment in clinical surgery.
The device uses a heat-conducting plate and heating cotton to closely adhere to the bone hemostatic material, and achieves constant temperature control of 30-40℃ through a temperature control component. Combined with elastic elements to adapt to different thicknesses, the device is designed to be miniaturized to suit the surgical environment.
It achieves uniform heating of bone hemostatic materials, shortens heating time, improves operational convenience and safety, and is suitable for flexible use in operating rooms.
Smart Images

Figure CN224684370U_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of medical device technology, specifically relating to a special constant temperature heating device for processing hemostatic materials in orthopedic surgery, and in particular a constant temperature bone hemostatic material heater capable of precisely heating and clamping packaged bone hemostatic materials (such as bone wax) at a constant temperature. Background Technology
[0002] In the field of medical devices, bone hemostatic materials are important for hemostasis of bone wounds in orthopedic surgery. They are usually made of beeswax, paraffin, medical polymers, and other components. These materials tend to be quite hard at room temperature, especially in winter, making them difficult to use directly in surgical procedures. Therefore, they need to be softened by heating before use.
[0003] Currently, the softening process of bone hemostatic materials in clinical practice generally involves manual kneading, using the warmth of the hands to gradually soften the material. However, this manual heating method has significant drawbacks: firstly, hand kneading makes it difficult to ensure uniform heating of the material, which may lead to excessive softening in some areas while other parts remain hard, affecting hemostasis and ease of operation; secondly, the manual procedure is cumbersome, increasing the workload of medical staff, and potentially causing delays, especially in emergency surgical scenarios.
[0004] Besides manual methods, existing heating equipment also has many shortcomings: ordinary semiconductor heating boxes can achieve constant temperature heating, but the waiting time required to heat to the specified temperature is too long, making it difficult to meet the needs of rapid retrieval during surgery; constant temperature drying boxes have the problem of excessive power, which places high demands on the power supply, and the equipment is bulky, which will occupy the limited space of the operating room and is not convenient for flexible placement and use.
[0005] In summary, the current field of heat treatment for bone hemostatic materials lacks a dedicated constant temperature device that is compact, accurately temperature-controlled, capable of rapid heating, and perfectly suited to the size of bone hemostatic materials. This fails to meet the needs of clinical surgery for efficient, convenient, and safe softening treatment of bone hemostatic materials. Utility Model Content
[0006] The purpose of this invention is to provide a constant temperature bone hemostatic material heater, which aims to solve the problems of uneven temperature, cumbersome operation, excessive equipment size or inaccurate temperature control in existing bone hemostatic material heating methods, and to provide a high-efficiency, convenient and safe bone hemostatic material heating device for the medical device field.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] This utility model includes: a housing; a heating assembly including at least one set of cavities with upper openings formed by heat-conducting plates, wherein heating cotton is fixed to the outside of the heat-conducting plates and the heating cotton is in close contact with the heat-conducting plates; an elastic element disposed on the outside of the heat-conducting plates and / or between the heat-conducting plates arranged in parallel, which, through the elastic force generated by its own deformation, causes the heat-conducting plates to press against the bone hemostatic material; a temperature control assembly including a circuit board, a temperature probe, and a display screen, wherein the temperature probe is disposed in the area where the heating cotton is located, and the circuit board is electrically connected to the heating cotton and the temperature probe; a power supply, electrically connected to the heating assembly and the temperature control assembly, providing power to the heating assembly and the temperature control assembly; wherein, the cavities are used to contain packaged bone hemostatic material and are heated by direct contact with the packaged material through the heat-conducting plates.
[0009] In addition to the above-mentioned technical features, this utility model has also made optimizations and improvements in the following aspects:
[0010] As a preferred technical solution of this utility model, the elastic element is a spring, a sheet, or a silicone pad, and the heat-conducting plate adapts to bone hemostatic materials of different thicknesses through pre-tightening force.
[0011] As a preferred technical solution of this utility model, the heat-conducting plate is made of soft metal material, and the space is created by deformation to insert bone hemostatic material.
[0012] As a preferred technical solution of this utility model, the heating component includes multiple cavities, each cavity being provided with at least one set of heat-conducting plates and heating cotton, for simultaneously heating multiple pieces of bone hemostatic material.
[0013] As a preferred embodiment of this utility model, the housing includes a cover plate with an opening at the bottom, through which a power supply line passes to connect the heating cotton and the circuit board.
[0014] In a preferred embodiment of this invention, the circuit board is fixed inside the housing by a column, the display screen displays the cavity temperature in real time, and the cavity temperature is controlled between 30 and 40 degrees Celsius.
[0015] As a preferred embodiment of this invention, the temperature probe is embedded inside the heating cotton or fixed to the contact surface between the heat-conducting plate and the heating cotton.
[0016] In a preferred embodiment of this invention, the power source is an external power source and / or a battery connected via a power interface.
[0017] As a preferred embodiment of this utility model, the power interface is any one of a Type-C interface, a USB interface, or a Micro interface.
[0018] As a preferred technical solution of this utility model, the power supply current adopts 5V or 12V DC power supply.
[0019] Based on the above description of the technical content, the beneficial effects of this application are specifically reflected in the following aspects:
[0020] 1. Precise temperature control
[0021] This application uses a temperature control component to monitor and adjust the heating temperature in real time, keeping the cavity temperature stably controlled within a safe range of 30-40℃ (the optimal softening temperature of bone wax), ensuring that the bone hemostatic material is always at a suitable viscosity, avoiding high-temperature melting or low-temperature hardening, and significantly improving the efficiency of application and shaping during surgery.
[0022] 2. Highly efficient and uniform heating
[0023] Direct contact conduction: Compared with traditional manual kneading or high-power equipment, this application uses a heat-conducting plate to tightly adhere to the bone hemostatic material packaging, achieving rapid and uniform heating through heat conduction and shortening the preheating time.
[0024] Multi-cavity parallel processing: Supports simultaneous heating of multiple bone hemostatic materials, meeting the need for continuous use during surgery and improving overall work efficiency.
[0025] 3. Adaptive compatibility
[0026] Elastic element design: The elastic element (spring / sheet / silicone pad) generates elasticity through its own deformation, allowing the heat-conducting plate to adapt to bone hemostatic materials of different thicknesses, ensuring close contact to optimize heat transfer.
[0027] Deformation of flexible heat-conducting plates: Flexible metal heat-conducting plates can be deformed to create space, making it easy to insert materials and adapt to changes in packaging size.
[0028] 4. Safe and convenient to operate
[0029] Heating with packaging: Directly heat the packaged bone hemostatic material to avoid contamination from opening the package and meet the sterility requirements of surgery.
[0030] Low-voltage power supply safety: The power supply supports 5V / 12V DC power or battery power, with no high voltage risk, making it suitable for operating room environments.
[0031] Real-time temperature display: The display screen provides intuitive feedback on the cavity temperature, making it easy for medical staff to monitor the status.
[0032] 5. Compact and portable structure
[0033] This application employs a modular design (heating cotton + heat-conducting plate + elastic element) to achieve miniaturization, making it significantly smaller than traditional constant temperature drying ovens, allowing for flexible placement next to the operating table. Simultaneously, perforations in the cover allow for the passage of power cables, simplifying internal wiring and improving equipment integration.
[0034] In summary, this utility model comprehensively optimizes the heating process of bone hemostatic materials through a combination of "precise temperature control + efficient heat transfer + convenient operation", providing a miniaturized constant temperature device suitable for surgical scenarios in the field of medical devices. Attached Figure Description
[0035] Figure 1 This is a schematic diagram of the overall structure of the constant temperature bone hemostatic material heater of this utility model;
[0036] Figure 2 This is a schematic diagram of the connection relationship of the internal components of this utility model;
[0037] Figure 3 This is a schematic diagram of the assembly of the display screen and the housing of this utility model;
[0038] Figure 4 This is a schematic diagram of the cavity structure layout of this utility model;
[0039] Figure 5 This is a connection logic diagram of the temperature control component and the heating component of this utility model;
[0040] Figure 6 This is a schematic diagram of the second layout of the cavity structure of this utility model;
[0041] Figure 7 This is a schematic diagram of the third layout of the cavity structure of this utility model.
[0042] In the diagram: 1. Heating cotton; 2. Elastic element; 3. Heat-conducting plate; 4. Temperature probe; 5. Display screen; 6. Circuit board; 7. Power interface; 8. Base; 9. Housing; 10. Cover plate; 11. Wire; 12. Bone hemostatic material; 13. Partition. Detailed Implementation
[0043] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.
[0044] I. Explanation of descriptive terms used in this utility model
[0045] The embodiments provided in conjunction with the technical solutions of this utility model are intended to make the present utility model more thorough and complete, and to fully express the scope of the present utility model to those skilled in the art. It should be noted that unless otherwise specifically stated by the present utility model, the relative arrangement of components described in these embodiments should be interpreted as merely exemplary, and not as a limitation on the technical solutions of the present utility model.
[0046] In this utility model, the use of directional terms such as "upper," "lower," "left," "right," "bottom," and "top" is defined relative to the directions shown in the accompanying drawings and is used only to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. These or other directional terms should not be construed as restrictive terms.
[0047] In this utility model, the terms "a," "an," "a kind," "the," and similar words used do not indicate quantity limitation and can represent singular or plural. The terms "comprising," "including," "having," and any variations thereof used in this utility model are intended to cover non-exclusive inclusion; the terms "first," "second," "third," etc., used in this utility model are merely to distinguish similar objects and do not represent a specific ordering of objects.
[0048] In this invention, when a specific device is described as being located between a first device and a second device, an intermediary device may or may not be present between the specific device and the first or second device. When a specific device is described as being connected to other devices, the specific device may be directly connected to the other devices without an intermediary device, or it may not be directly connected to the other devices but may have an intermediary device.
[0049] Furthermore, this utility model does not discuss in detail the technologies and equipment known to those skilled in the art, but where appropriate, such technologies and equipment should be considered part of the specification.
[0050] II. The core technical problem to be solved by the technical solution of this application
[0051] In the field of heat treatment of bone hemostatic materials, existing technologies face three major problems:
[0052] Firstly, the commonly used manual rubbing and heating method in clinical practice relies on the body temperature conduction of medical staff, which results in serious uneven heating. This can easily lead to excessive softening of materials in some areas while other areas remain highly hard, directly affecting the hemostatic effect and the smoothness of surgical procedures. At the same time, it increases the non-technical workload of medical staff and may delay the treatment opportunity in emergency surgical scenarios.
[0053] Secondly, although commercially available semiconductor hot and cold boxes have a constant temperature function, their heating efficiency is low. It takes a long time to heat the material from room temperature to the temperature required for softening, which cannot meet the immediate need for rapid retrieval during surgery.
[0054] Third, industrial-grade equipment such as constant temperature drying ovens have problems such as excessive power consumption and bulky size. Not only do they place stringent requirements on the power supply system of the operating room, but their large size also conflicts with the limited operating space of the operating table, making it difficult to deploy flexibly.
[0055] Currently, there is a lack of constant temperature heating equipment specifically designed for the characteristics of bone hemostatic materials. Existing solutions cannot meet clinical needs in terms of temperature control accuracy, heating speed, and spatial adaptability.
[0056] III. Based on the above problems, this utility model specifically provides a technical solution to solve these problems. The following describes specific embodiments and references the appendix. Figure 1-5 As shown, the technical solution, working principle and technical effects of this utility model are described in detail.
[0057] Example 1
[0058] like Figure 1 , Figure 2 , Figure 4 As shown, the constant temperature bone hemostatic material heater of this embodiment includes a housing 9, a heating component, an elastic element 2, and a temperature control component.
[0059] The housing 9 has a base 8 at the bottom, a display screen 5 embedded at the front, and a power interface 7 on the side.
[0060] The heating assembly includes two sets of upper openings formed by heat-conducting plates 3. Heating cotton 1 is fixed to one side of the heat-conducting plates 3, and the heating cotton 1 is in close contact with the heat-conducting plates 3.
[0061] The elastic element 2 is a spring, which is located on the outer end of the other side of the heat-conducting plate 3.
[0062] The circuit board 6 of the temperature control component is fixed inside the housing 9 by four pillars, the temperature probe 4 is embedded inside the heating cotton 1, and the display screen 5 is connected to the circuit board 6 by wires 11.
[0063] The housing 9 is made of ABS plastic and has an overall size of 7cm×10cm×7cm. The bottom of the heating component is equipped with a cover plate 10, and the bottom of the cover plate 10 has a through hole with a diameter of 5mm. The power supply line 11 passes through to connect the heating cotton 1 and the circuit board 6.
[0064] Each cavity of the heating component measures 5cm × 8cm × 2cm and is compatible with standard-sized bone hemostatic material packaging.
[0065] The heat-conducting plate 3 is made of 0.3mm thick soft aluminum foil and is fixed to the heating cotton 1 with high-temperature resistant adhesive. The heating cotton 1 is 5mm thick silicone heating cotton. The heating cotton 1 of the two cavities is connected to the circuit board 6 in parallel.
[0066] The elastic element 2 is a stainless steel spring with a diameter of 1mm and a length of 8mm. The preload is set to 5N. Both ends are welded to the inner wall of the shell 9 and the outer heat-conducting plate 3, respectively. The elastic force makes the heat-conducting plate 3 fit tightly against the bone hemostatic material packaging.
[0067] The circuit board 6 of the temperature control component uses an STM32F103 microcontroller, the temperature probe 4 is an NTC thermistor, which is embedded in the center of the heating cotton 1; the display screen 5 is a 1.5-inch OLED screen that displays the cavity temperature in real time, and the temperature control accuracy is ±0.5℃.
[0068] The power interface 7 of the power supply section adopts a Type-C interface, which supports 5V / 2A DC input. It is connected to the power module of the circuit board 6 through the wire 11. The module outputs 3.3V to power the control circuit and 12V to power the heating cotton 1.
[0069] In light of the above structural optimizations, and to more clearly illustrate the technical solution of this application, the working principle of this technical solution is explained below:
[0070] Connect to a 5V DC power supply, and the display screen will light up at point 5 and show the initial temperature.
[0071] The packaged bone hemostatic material (12) is inserted from the opening at the top of the cavity. The elastic element 2 pushes the heat-conducting plate 3 to fit tightly against the packaging surface through the spring force. The heat-conducting plate 3 made of soft aluminum foil deforms slightly with the thickness of the packaging to ensure close contact.
[0072] Temperature probe 4 detects the temperature of heating cotton 1 in real time and transmits the data to circuit board 6; when the temperature is below 30℃, circuit board 6 controls heating cotton 1 to be powered on and heated; when the temperature reaches 40℃, the heating circuit is cut off to achieve constant temperature control of 30-40℃.
[0073] After heating is complete, the bone hemostatic material (12) is taken out directly from the opening at the top. The display screen 5 continuously displays the current temperature to help determine whether reheating is necessary.
[0074] This embodiment, through the above structural design, possesses the following technical advantages:
[0075] This application uses a soft heat-conducting plate in conjunction with a spring to ensure that bone hemostatic materials of different thicknesses can be in close contact with the heating source, improving temperature uniformity to ±1℃ and solving the problem of uneven temperature caused by manual kneading.
[0076] The 5V low-voltage power supply design meets operating room safety standards, reduces power consumption by 60% compared to a constant temperature drying oven, and has a volume that is only 1 / 10 of traditional equipment, saving operating room space.
[0077] Heating with the packaged packaging avoids material contamination caused by traditional unpacking and heating, while reducing the heating response time to 3 minutes, thus improving the efficiency of surgical preparation.
[0078] Example 2
[0079] The main difference between this embodiment and embodiment 1 is that: the elastic element uses a silicone pad instead of a spring, and the number of cavities is increased to 4; the temperature probe 4 is fixed to the contact surface between the heat-conducting plate 3 and the heating cotton 1.
[0080] Elastic element 2: A silicone pad with a Shore hardness of 50 and a thickness of 10mm is selected and fixed between the inner wall of the housing 9 and the heat-conducting plate 3 by a buckle. The elastic deformation of the silicone pad adapts to changes in material thickness, with a deformation range of 0-5mm.
[0081] Multi-cavity design: 4 cavities are arranged in a 2×2 matrix. Each cavity is independently equipped with heating cotton 1 and temperature probe 4. Zoned temperature control is achieved through circuit board 6. The size of a single cavity is reduced to 4cm×2.5cm×2cm, which is suitable for small bone hemostatic materials (12).
[0082] Temperature probe position: The NTC thermistor is attached to the mating surface of the heat-conducting plate 3 and the heating cotton 1 to shorten the temperature detection response time and improve the temperature control accuracy to ±0.3℃.
[0083] In this embodiment, the silicone pad elastic element reduces the risk of corrosion of the metal spring, extends the service life to more than 5,000 cycles, and has no mechanical noise, making it more suitable for the operating room environment.
[0084] The cavity design allows for simultaneous heating of bone hemostatic materials of different specifications (12), meeting the multi-material requirements of complex surgeries and improving work efficiency compared to Example 1.
[0085] The temperature probe is positioned close to the heat-conducting plate, which reduces the temperature adjustment lag time of the heating cotton 1 from 10 seconds to 3 seconds, avoiding overheating and further ensuring that the material is within the optimal viscosity range.
[0086] Example 3
[0087] The difference between this embodiment and embodiment 1 is that a rechargeable battery is used instead of the Type-C interface for power supply, the elastic element is a spring sheet structure, and the heat conduction plate 3 is made of soft copper foil.
[0088] The power supply section has a built-in 1000mAh lithium battery (3.7V) and is equipped with a charging management module. It supports Type-C interface charging (fully charged in 2 hours) and has a battery life of up to 4 hours, which can meet the needs of use in scenarios where there is no external power source.
[0089] The elastic element 2 is made of 0.2mm thick phosphor bronze sheet with a "V" shaped structure. It is fixed to the inner wall of the housing 9 by screws. The free end of the sheet contacts the heat-conducting plate 3, providing an initial elastic force of 8N.
[0090] The heat-conducting plate 3 uses 0.2mm thick soft copper foil with nickel plating for rust prevention. Its thermal conductivity is 40% higher than that of aluminum foil, which accelerates the heat transfer to the bone hemostatic material (12).
[0091] The battery-powered design frees the device from the constraints of power cords, allowing it to be flexibly placed next to the operating table, expanding its applicability to mobile medical environments such as emergency surgery and field rescue.
[0092] The copper foil heat-conducting plate, combined with the spring-loaded structure, reduces the time required to heat the material to 30°C from 3 minutes to 2 minutes, further improving the efficiency of surgical preparation.
[0093] Phosphor bronze springs have better fatigue resistance than springs, and can extend maintenance cycles in high-frequency use scenarios.
[0094] Example 4
[0095] like Figure 6 As shown, the difference between this embodiment and embodiment 1 is that the elastic element 2 is disposed between the heat-conducting plates 3 arranged in parallel, and a partition 13 is disposed between the heat-conducting plates 3 disposed between adjacent cavities.
[0096] Example 5
[0097] like Figure 7 As shown, the difference between this embodiment and embodiment 1 is that the elastic element 2 is disposed between the parallel heat-conducting plates 3, and at least one layer of heating cotton 1 is disposed between the heat-conducting plates disposed between adjacent cavities. In this embodiment, the heating cotton is disposed in two layers.
[0098] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
[0099] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
Claims
1. A constant-temperature bone hemostatic material heater, characterized in that, include: Shell (9); The heating assembly includes at least one set of cavities with open tops formed by parallel heat-conducting plates (3), wherein heating cotton (1) is fixed to one side of the heat-conducting plates (3), and the heating cotton (1) is in contact with the heat-conducting plates (3); The elastic element (2) is disposed on the outside of the heat-conducting plate (3) and / or between the heat-conducting plates arranged in parallel. Through the elastic force generated by its own deformation, the heat-conducting plate (3) is pressed against the bone hemostatic material. The temperature control component includes a circuit board (6), a temperature probe (4) and a display screen (5). The temperature probe (4) is located in the area where the heating cotton (1) is located. The circuit board (6) is electrically connected to the heating cotton (1) and the temperature probe (4). The power supply connects the heating element and the temperature control element, providing power to them. The cavity is used to contain packaged bone hemostatic material (12) and is heated by direct contact with the package via a heat-conducting plate (3).
2. The constant-temperature bone hemostatic material heater according to claim 1, characterized in that, The elastic element (2) is a spring, a sheet, or a silicone pad, which allows the heat-conducting plate (3) to adapt to different thicknesses of bone hemostatic material (12) through elasticity.
3. The constant-temperature bone hemostatic material heater according to claim 1, characterized in that, The heat-conducting plate (3) is made of soft metal material, and the space is created by the deformation of the elastic element (2) and the heating plate to insert the bone hemostatic material (12).
4. The constant temperature bone hemostatic material heater according to claim 1, characterized in that, The heating assembly includes N cavities, where N≥2, and each cavity is provided with at least one set of heat-conducting plates (3) and heating cotton (1) for simultaneously heating multiple pieces of bone hemostatic material (12).
5. The constant-temperature bone hemostatic material heater according to claim 1, characterized in that, The housing (9) includes a cover plate (10) with an opening at the bottom, through which a power supply line (11) passes to connect the heating cotton (1) to the circuit board (6).
6. The constant temperature bone hemostatic material heater according to claim 1, characterized in that, The circuit board (6) is fixed inside the housing (9) by a column, and the display screen (5) displays the cavity temperature in real time. The cavity temperature is controlled between 30 and 40 degrees.
7. The constant temperature bone hemostatic material heater according to claim 1, characterized in that: The temperature probe (4) is embedded inside the heating cotton (1) or fixed to the contact surface between the heat-conducting plate (3) and the heating cotton (1).
8. The constant-temperature bone hemostatic material heater according to claim 1, characterized in that, The power source is an external power source connected via a power interface and / or a battery.
9. The constant temperature bone hemostatic material heater according to claim 8, characterized in that, The power interface can be any one of Type-C, USB, or Micro interface.