Reusable power assembly and powered anastomotic device

CN224911285UActive Publication Date: 2026-10-30WUXI BM PRECISION PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522073984.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-26
Publication Date
2026-10-30
Estimated Expiration
2035-09-26

AI Technical Summary

Technical Problem

传统一次性吻合器将成本较高的动力组件与主机封装为一体,单次使用后即整体废弃,导致手术成本显著增加;

Benefits of technology

[0014]本实用新型的有益效果是:动力组件采用可拆卸模块化设置,通过机械对接结构实现与主机快速拆装,可多次循环使用,显著降低医疗成本;外壳经超声波焊接并配备多处密封圈,有效防尘防水,保障在复杂手术环境中稳定运行;通过公母连接器可靠对接,实现稳定电连接和信号传输,确保控制精准,动作响应迅速,提升手术操作的灵活性和安全性。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224911285U_ABST
    Figure CN224911285U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of reusable power assembly and electric anastomat, power assembly can be detachably mounted in anastomat host computer, including shell and the power module being located in the inside of shell, shell distal end is equipped with mechanical docking structure, for with anastomat host computer is realized releasable connection, and make power assembly can repeatedly detach and use;Power module is equipped with electric connector, for when force component is installed to anastomat host computer, establish electrical connection to complete signal transmission. By the above-mentioned mode, the utility model is recycled repeatedly by the modular power assembly of quick dismounting, reduce medical cost;Shell main part adopts ultrasonic welding and is equipped with multiple sealing rings, constructs double protection, can effectively dustproof waterproof, guarantee stable operation in complex medical environment;Male and female connector reliable docking, realize stable electrical connection and signal transmission, ensure control precision, response is quick, ensure that surgical operation is flexible and safe.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a reusable power assembly and an electric stapler. Background Technology

[0002] Electric staplers, as key equipment in modern surgery, are widely used for tissue cutting and suturing in minimally invasive procedures. However, traditional electric staplers generally adopt an integrated design, sealing the power unit inside the stapler's main unit. While this simplifies the device structure, it exposes the following drawbacks: Traditional disposable staplers encapsulate the expensive power components and main unit into one unit, and are discarded after a single use, resulting in a significant increase in surgical costs; Existing electric staplers lack efficient and reliable quick assembly and disassembly mechanisms. Their power components rely on multiple sets of screws, clips, or complex mechanical locking structures to connect with the main unit. The disassembly process is cumbersome and the connection reliability is insufficient, making it impossible to achieve quick replacement and recycling of the power components while ensuring surgical efficiency. In summary, during the surgical procedure, the stapler inevitably comes into contact with liquids such as blood and cleaning fluid. The sealing structure of traditional disposable staplers is relatively simple, and liquids can easily enter the interior, leading to short circuits, motor failures, or cross-infection, which cannot meet the safety requirements in complex surgical environments. The electrical connection points between the power unit and the stapler main unit are prone to loosening due to vibrations during surgery, which may lead to power or signal interruptions, causing the equipment to stop or malfunction, seriously affecting surgical safety. Utility Model Content

[0003] The main technical problem solved by this utility model is to provide a reusable power component and an electric stapler. The power component adopts a detachable modular design, which can be quickly assembled and disassembled with the main unit and can be reused repeatedly, reducing medical costs. The outer shell is ultrasonically welded and equipped with multiple sealing rings, which effectively prevents dust and water, and ensures stable operation in complex environments. The male and female connectors can be reliably connected to achieve stable electrical connection and signal transmission, ensuring precise control and rapid response, and improving surgical flexibility and safety.

[0004] To solve the above-mentioned technical problems, the present invention provides a reusable power assembly that can be detachably installed on the main unit of the anastomosis device, comprising: a housing and a power module disposed inside the housing; the distal end of the housing is provided with a mechanical docking structure for releasable connection with the main unit of the anastomosis device, and for enabling the power assembly to be repeatedly connected and disconnected for use; the power module is provided with an electrical connector for establishing an electrical connection to complete signal transmission when the power assembly is installed on the main unit of the anastomosis device.

[0005] In a preferred embodiment of the present invention, the outer shell includes a left outer shell and a right outer shell that interlock with each other, and the joint between the two is sealed by ultrasonic welding.

[0006] In a preferred embodiment of the present invention, the mechanical docking structure includes release buttons symmetrically arranged on both sides of the far end of the housing. The release button portion is exposed on the surface of the housing. The power component is engaged with the anastomosis host through the release button, and the power component can be quickly disassembled by pressing the release button.

[0007] In a preferred embodiment of this utility model, the power module includes a motor mounting plate, a main drive motor, a rotary motor, and a swaying motor. The motor mounting plate is snapped into the far end of the inner shell. The motor mounting plate is provided with three mounting holes for mounting the main drive motor, the rotary motor, and the swaying motor, respectively.

[0008] In a preferred embodiment of this utility model, motor sealing rings are provided between the output shafts of the main drive motor, the rotary motor and the oscillating motor and the mounting holes to achieve a sealed connection with the outer casing.

[0009] In a preferred embodiment of this utility model, the electrical connector is a male connector, which is mounted on the motor mounting plate and opens towards the far end of the housing for mating with the female connector on the anastomosis device. An electrical connector sealing ring is provided between the electrical connector and the housing to achieve a sealed connection with the housing.

[0010] In a preferred embodiment of the present invention, the power module further includes a display screen and a main control board. The display screen is embedded in a window on the upper surface of the housing, and the main control board is installed near the inside of the housing.

[0011] In a preferred embodiment of this utility model, an annular sealing ring is provided at the junction of the display screen and the outer shell window to achieve a sealed connection with the outer shell.

[0012] In a preferred embodiment of this utility model, the main control board is electrically connected to the main drive motor, the rotary motor, the oscillating motor, the male connector and the display screen.

[0013] To solve the above-mentioned technical problems, another technical solution adopted by this utility model is: to provide an electric stapler, including a stapler main unit, a rotating head, a staple cartridge assembly, and the aforementioned power assembly. The proximal end of the stapler main unit is provided with a female connector that matches the male connector and a slot corresponding to the release button. The power assembly is releasably installed on the proximal end of the stapler main unit. The output shaft of the main drive motor is coupled to the cutting and stitching drive interface of the stapler main unit, the output shaft of the rotary motor is coupled to the rotary drive interface, and the output shaft of the head-swinging motor is coupled to the head-swinging drive interface. A battery compartment is installed at the bottom of the stapler main unit for powering the stapler.

[0014] The beneficial effects of this utility model are: the power component adopts a detachable modular design, which enables quick assembly and disassembly with the main unit through a mechanical docking structure, allowing for multiple cycles of use and significantly reducing medical costs; the outer shell is ultrasonically welded and equipped with multiple sealing rings, effectively preventing dust and water damage and ensuring stable operation in complex surgical environments; reliable docking through male and female connectors enables stable electrical connection and signal transmission, ensuring precise control, rapid action response, and improving the flexibility and safety of surgical operations. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein: Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the reusable power assembly of this utility model; Figure 2 This is an exploded structural diagram of a preferred embodiment of the reusable power assembly of this utility model; Figure 3 This is a schematic diagram of the display screen installation and sealing structure of a preferred embodiment of the present invention; Figure 4 This is a schematic diagram of a preferred embodiment of the motor mounting sealing structure of this utility model; Figure 5 This is a schematic diagram of the connector mounting and sealing structure of a preferred embodiment of the present invention; Figure 6 This is a schematic diagram of the structure of the motor fixing plate and the outer shell of this utility model being snapped together; Figure 7 This is a structural schematic diagram of the main drive motor, rotary motor, oscillating motor, and electrical connector mounting position in the power assembly of this utility model. Figure 8This is a schematic diagram showing the corresponding relationship between the mounting positions of the main drive motor, rotary motor, oscillating head motor, and electrical connector in the main body and power assembly of the anastomosis device of this utility model. Figure 9 This is a schematic diagram of a preferred embodiment of the release button position in the power assembly of this utility model; Figure 10 This is a schematic diagram of a preferred embodiment of the stapler main unit of this utility model; The components in the attached diagram are labeled as follows: 1. Left outer shell, 2. Right outer shell, 3. Anastomosing device main unit, 4. Release button, 5. Motor mounting plate, 6. Main drive motor, 7. Rotary motor, 8. Swinging head motor, 9. Motor sealing ring, 10. Electrical connector, 11. Display screen, 12. Annular sealing ring, 13. Main control board, 14. Rotary head, 15. Staple cartridge assembly, 16. Battery compartment, 17. Power assembly, 18. Connector sealing ring, 19. Anastomosis drive interface, 20. Rotary drive interface, 21. Swinging head drive interface, 22. Male connector, 23. Female connector. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0018] Please see Figures 1 to 10 : Example 1:

[0019] This embodiment relates to a power assembly that can be detachably installed on the main unit of a stapler, including a housing and a power module disposed inside the housing.

[0020] In detail, the first part is the outer shell, which consists of a left outer shell 1 and a right outer shell 2 that interlock with each other. To ensure the overall airtightness of the outer shell, the joint between the two is treated with ultrasonic welding, which can effectively eliminate the assembly gap at the joint and ensure that the outer shell has good airtightness, providing a protective space to isolate the internal components from the outside world.

[0021] A mechanical docking structure is provided at the distal end of the outer casing for a releasable connection with the stapler main unit 3. This structure allows the power assembly to be repeatedly attached and detached for multiple cycles, thereby effectively reducing the operating cost of the stapler.

[0022] Furthermore, the mechanical docking structure includes release buttons 4 symmetrically arranged on both sides of the far end of the housing. The release buttons 4 are partially exposed on the surface of the housing so that the user can press them. The power unit is engaged with the stapler main unit 3 through the release buttons 4. Pressing the release buttons 4 enables quick disassembly of the power unit and the stapler main unit 3, making the operation convenient and efficient.

[0023] Secondly, there is the power module, which includes a motor mounting plate 5, a main drive motor 6, a rotary motor 7, and a swaying motor 8. The motor mounting plate 5 is installed at the far end of the inner casing using a snap-fit ​​connection to ensure its stability inside the casing. The motor mounting plate 5 has three mounting holes for mounting the main drive motor 6, the rotary motor 7, and the swaying motor 8, respectively, to ensure the stable position of each motor during transmission.

[0024] To further improve the sealing performance of the housing, motor sealing rings 9 are provided between the output shafts of the main drive motor 6, the rotary motor 7 and the oscillating motor 8 and the corresponding mounting holes. Through the sealing effect of the motor sealing rings 9, the motor output shaft is sealed to the housing, which can prevent external liquids, dust and other impurities from entering the housing through the gap between the output shaft and the mounting hole.

[0025] The power module also includes an electrical connector 10, which is used to establish an electrical connection when the power assembly is installed to the stapler host 3, thereby completing the signal transmission between the power assembly and the stapler host 3.

[0026] In this embodiment, the electrical connector 10 is preferably a male connector, which is mounted on the motor mounting plate 5 and has its interface facing the far end of the housing. When the power assembly is installed to the stapler main unit 3, the male connector can accurately mate with the female connector on the stapler main unit 3, thereby establishing a stable electrical connection.

[0027] In addition, a connector sealing ring 18 is provided between the electrical connector 10 and the housing to achieve a sealed connection with the housing and prevent dust and impurities from entering.

[0028] This connection method provides a channel for signal transmission between the power unit and the stapler host, ensuring that the control commands sent by the stapler host and the status information fed back by the power unit can be transmitted stably, thus guaranteeing the normal operation of the electric stapler.

[0029] The power module also includes a display screen 11, which is embedded in a pre-set window on the upper surface of the housing. A ring-shaped sealing ring 12 is provided around the display screen to achieve a sealed connection with the housing and prevent external impurities from entering the housing.

[0030] In addition, the power module also includes a main control board 13, which is installed near the inside of the housing and is electrically connected to the main drive motor 6, the rotary motor 7, the oscillating motor 8, the electrical connector 10 and the display screen 11.

[0031] The main control board 13 is configured to receive control commands sent by the anastomosis device host 3 through the electrical connector 10. After receiving the command, it drives the main drive motor 6, the rotary motor 7 and the swing head motor 8 to perform corresponding actions based on the command content. At the same time, the main control board 13 also sends the status information of the power components to the display screen, which receives and displays this status information. Example 2:

[0032] This embodiment relates to an electric stapler, including a stapler main unit 3, a rotating head 14, a staple cartridge assembly 15, and the aforementioned power assembly 17.

[0033] The near end of the stapler main unit 3 is provided with a female connector that matches the male connector and a slot that matches the release button 4. The power component is releasably installed near the near end of the stapler main unit 3. When the power component is installed in the stapler, it engages with the stapler main unit 3 via the release button 4, and is electrically connected via the mating of the male connector 22 and the female connector 23, ensuring efficient transmission of power and signals.

[0034] The stapler main unit 3 has a battery compartment 16 installed at its bottom for powering the stapler. The battery compartment 16 may be equipped with a power indicator light to help the user monitor the power status.

[0035] Furthermore, the output shaft of the main drive motor 6 is coupled to the cutting and anastomosis drive interface of the stapler host 3. When the main drive motor 6 is running, it can transmit power to the cutting and anastomosis drive interface 19, thereby driving the staple cartridge assembly 15 to complete the cutting and anastomosis action, realizing tissue cutting and suturing during the operation.

[0036] Furthermore, the output shaft of the rotary motor 7 is coupled to the rotary drive interface 20. When the rotary motor 7 is running, it can transmit power to the rotary drive interface, thereby driving the rotary head 14 to rotate, so that the user can adjust the angle of the rotary head according to the surgical needs, improving the flexibility of the surgical operation.

[0037] Furthermore, the output shaft of the oscillating head motor 8 is coupled to the oscillating head drive interface 21. When the oscillating head motor 8 is running, it can transmit power to the oscillating head drive interface, and then to the staple cartridge assembly 15, which can drive the staple cartridge assembly 15 to perform the oscillating head return action.

[0038] Building upon the aforementioned structure, to ensure safety during the use of the electric stapler, this device also supports a manual operation mode. Both the main drive motor 6 and the swing head motor 8 have pre-installed manual operation interfaces, allowing for manual blade return and manual centering operations using a standard hex wrench. In the event of a power failure, the user can complete the operation manually, ensuring uninterrupted surgery and further enhancing the device's safety, reliability, and emergency response capabilities.

[0039] The advantages of this reusable power component and electric anastomosis device are: Reusable and reduces medical costs: The power unit adopts a detachable modular design, which can be quickly disassembled and assembled with the stapler main unit through a mechanical docking structure. It supports multiple cycles of use, avoids the waste of high-value consumables of traditional disposable instruments, and effectively reduces the overall cost of using the stapler. Excellent sealing performance and high reliability: The outer shell is ultrasonically welded to ensure overall airtightness. Combined with multiple seals, it effectively prevents the intrusion of contaminants such as liquids and dust, ensuring the stable operation of the power components in complex surgical environments. Stable electrical connection and reliable signal transmission: The precise docking of the male and female connectors ensures a stable electrical connection between the power components and the main unit, and the transmission of control commands and status feedback signals is error-free. This guarantees the continuity and safety of the surgical process, ensures rapid action response and precise movements, and effectively improves the flexibility and accuracy of surgical operations.

[0040] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A reusable power component, characterized in that, It can be detachably installed on the main unit of the stapler, including: a housing and a power module located inside the housing. The outer casing is provided with a mechanical docking structure at the far end for releasable connection with the anastomosis device main unit and for enabling the power component to be repeatedly connected and disconnected for use. The power module is equipped with an electrical connector for establishing an electrical connection when the power assembly is installed to the anastomosis device main unit.

2. The reusable power assembly according to claim 1, characterized in that, The outer casing includes a left outer casing and a right outer casing that interlock with each other, and the joint between the two is sealed by ultrasonic welding.

3. The reusable power assembly according to claim 1, characterized in that, The mechanical docking structure includes release buttons symmetrically located on both sides of the far end of the housing. The release button portion is exposed on the surface of the housing. The power assembly is engaged with the anastomosis unit through the release button.

4. The reusable power assembly according to claim 1, characterized in that, The power module includes a motor mounting plate, a main drive motor, a rotary motor, and a swaying motor. The motor mounting plate is snapped into the far end of the inner shell. The motor mounting plate has three mounting holes for mounting the main drive motor, the rotary motor, and the swaying motor, respectively.

5. The reusable power assembly according to claim 4, characterized in that, Motor sealing rings are provided between the output shafts of the main drive motor, rotary motor, and oscillating motor and the mounting holes.

6. The reusable power assembly according to claim 4, characterized in that, The electrical connector is a male connector, which is mounted on the motor mounting plate and opens towards the far end of the housing for mating with the female connector on the stapler main unit. An electrical connector sealing ring is provided between the male electrical connector and the housing.

7. The reusable power assembly according to claim 6, characterized in that, The power module also includes a display screen and a main control board. The display screen is embedded in a window on the upper surface of the housing, and the main control board is installed near the inside of the housing.

8. The reusable power assembly according to claim 7, characterized in that, The display screen is provided with an annular sealing ring at the junction of its perimeter and the outer casing window.

9. The reusable power assembly according to claim 7, characterized in that, The main control board is electrically connected to the main drive motor, rotary motor, oscillating motor, male connector and display screen respectively.

10. An electric stapler, characterized in that, include: The stapler main unit, rotating head, staple cartridge assembly, and power assembly as described in any one of claims 1-9 The stapler main unit has a female connector that matches the male connector and a slot corresponding to the release button at its proximal end. The power unit is releasably installed at the proximal end of the stapler main unit. The output shaft of the main drive motor is coupled to the cutting and fitting drive interface of the anastomosis device host, the output shaft of the rotary motor is coupled to the rotary drive interface, and the output shaft of the oscillating head motor is coupled to the oscillating head drive interface. The stapler main unit has a battery compartment at the bottom for powering the stapler.