Power tool and medical equipment
By designing a power tool with a rotatable handle and a starter component, the problems of inconvenient operation and complex structure of power tools in different positions were solved, achieving more efficient operation and stable control in orthopedic surgery.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-03-27
AI Technical Summary
Existing power tools are difficult to adapt to the surgeon's comfortable grip in different positions, resulting in inconvenience in surgical operations. Furthermore, the complex structure of the trigger and triggering element affects surgical efficiency.
A power tool with a rotatable handle is designed, equipped with an actuation component and a sensing element. The opening and closing of the tool head is controlled by the axial movement of the sensing part and the sensing element, which simplifies the structure and maintains stable operation in different positions.
It improves the comfort and convenience of doctors' operation, simplifies the structure of the power tool, ensures stable control of the tool head in different positions, and solves the problems of inconvenient operation and complex structure in the existing technology.
Smart Images

Figure CN224039257U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to surgical tool technical field, concretely relates to a power tool and medical equipment. BACKGROUND
[0002] In part of the scene of the application of the orthopedic surgery robot, especially in the knee joint osteotomy, a proper mechanical arm pose is needed to hold the power tool to realize the accurate positioning of the osteotomy position and facilitate the subsequent osteotomy operation of the doctor, the existing power tool configuration is difficult to adapt to the comfortable holding of the power tool by the doctor in different poses and the processing of the bone, especially in part of the pose, the power tool will block the positioning element, collide with the patient and other phenomena, different surgical procedures also need to replace different power tools, which causes many inconveniences to the operation and greatly interferes with the doctor's operation.
[0003] In addition, in the existing design, the robot cooperates with the power tool or frequently replaces the power tool, or replaces the power tool conversion head to realize the bone processing under different surgical procedures, and the trigger and the trigger element structure are complex.
[0004] Therefore, the prior art needs to be further developed. INVENTION CONTENTS
[0005] The utility model aims at overcoming the above technical insufficiency, provides a kind of power tool and medical equipment, to solve the technical problem that the existing power tool configuration in relevant technology is difficult to adapt to the comfortable holding of the power tool by the doctor in different poses and the processing of the bone.
[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme: a kind of power tool is provided, comprising: tool body, tool head is installed on tool body, and inductive element for controlling the opening and closing of tool head is installed in tool body;Handle, handle is rotatably arranged around the axis of tool body;Start-up component, start-up component includes start-up button and inductive portion installed on handle, and start-up button is used to control inductive portion to move along the axial direction of tool body, so that inductive portion is connected with inductive element.
[0007] Further, the start-up component includes a start-up rod, the extension direction of the start-up rod is consistent with the axial direction of the tool body, one end of the start-up rod is connected with the start-up button, and the other end of the start-up rod is connected with the inductive portion, and the start-up rod is movably arranged in the handle.
[0008] Further, the start-up component includes a connecting rod, both ends of the connecting rod are connected with the start-up button and the start-up rod respectively, wherein the connecting rod includes: a first connecting rod, one end of the first connecting rod is connected with the start-up button, and the other end of the first connecting rod is connected with a second connecting rod;The second connecting rod is connected with the start-up rod away from one end of the first connecting rod, and a preset included angle is arranged between the second connecting rod and the first connecting rod.
[0009] Further, the starting component comprises a support part fixedly arranged on the starting rod, the support part is protrudingly arranged on the starting rod, and the inductive part is arranged on the support part.
[0010] Further, the handle comprises a connecting component sleeved on the tool body, the connecting component is internally provided with a sliding groove, the starting rod is accommodated in the sliding groove, and the starting rod is in sliding connection with the sliding groove.
[0011] Further, the handle comprises a holding component connected with the connecting component, the holding component is provided with an avoiding slot at the connecting position of the connecting component, the extending direction of the avoiding slot is consistent with the axial direction of the tool body, the second connecting rod is accommodated in the avoiding slot, and the second connecting rod is connected with the starting rod through the avoiding slot.
[0012] Further, the holding component comprises: an installation slot, the starting button is movably arranged in the installation slot; an activity cavity, at least part of the first connecting rod and / or at least part of the second connecting rod are accommodated in the activity cavity; and a communication hole, the first connecting rod is accommodated in the communication hole arranged between the installation slot and the activity cavity.
[0013] Further, the inductive elements are multiple, and the multiple inductive elements are distributed on the tool body at intervals around the circumference of the tool body.
[0014] Further, the connecting component is provided with a rotating window corresponding to the quick mounting part on the tool body, so as to avoid the quick mounting part.
[0015] A medical device, the medical device comprising the power tool, and the medical device further comprising a mechanical arm connected with the tool body through the quick mounting part.
[0016] Advantages:
[0017] 1. In the power tool, the handle can be rotated relative to the tool body and the tool head, so that the direction of the handle is adjusted. When the power tool is applied to a medical device, the doctor can rotate the handle according to the actual needs to change the direction of the handle, so as to perform the operation in a comfortable posture, and the comfort of the doctor's operation and the convenience of the use of the power tool are improved, and the technical problem that the existing power tool configuration in the related art cannot adapt to the comfortable holding of the power tool by the doctor in different postures and the processing of the bone is solved.
[0018] 2. By arranging the starting component, the inductive part can be controlled to move along the axial direction of the tool body by controlling the starting button when the handle is rotated to any angle, so that the inductive part is connected with or disconnected from the inductive element, and the tool head is controlled to be opened or closed, and the doctor can control the tool head in different postures, so as to comfortably hold the power tool and process the bone, and the technical problem of the complex structure of the trigger and the trigger element is solved.
[0019] 3. In the power tool of this embodiment, a connecting rod and a starting rod are used to push the sensing part to connect with the sensing element, avoiding the use of too many mechanical structures to transmit and convert pressure. This allows control of the tool head to be achieved in different positions, simplifying the structure of the power tool and making the power tool work more stably. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the internal structure of the power tool used in this embodiment of the utility model;
[0021] Figure 2 yes Figure 1 An enlarged view of point B in the image;
[0022] Figure 3 This is a top view of the power tool used in this embodiment of the utility model;
[0023] Figure 4 yes Figure 3 AA section view in the middle;
[0024] Figure 5 This is a perspective view of the power tool used in an embodiment of this utility model.
[0025] The above figures include the following reference numerals:
[0026] 10. Cable; 1. Tool body; 11. Sensing element; 2. Tool head; 3. Handle; 31. Connecting part; 311. Slide groove; 32. Grip part; 321. Clearance groove; 322. Mounting groove; 323. Movable cavity; 324. Communicating hole; 33. Rotating window; 4. Starting part; 41. Start button; 42. Sensing part; 43. Starting rod; 44. Connecting rod; 441. First connecting rod; 442. Second connecting rod; 45. Support part; 5. Quick-release part; 6. Limit button; 61. Limit plate. Detailed Implementation
[0027] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.
[0028] According to an embodiment of this utility model, a power tool is provided; please refer to [link / reference]. Figures 1 to 5The power tool comprises a tool body 1, a tool head 2 mounted on the tool body 1, and an inductive element 11 mounted in the tool body 1 and used for controlling the opening and closing of the tool head 2; a handle 3 rotatably arranged around an axis of the tool body 1; and a starting component 4 comprising a starting button 41 and an inductive part 42 mounted on the handle 3, the starting button 41 being used for controlling the inductive part 42 to move along the axis of the tool body 1 so as to connect the inductive part 42 with the inductive element 11.
[0029] In the power tool, the handle 3 can be rotated relative to the tool body 1 and the tool head 2, and the direction of the handle 3 can be adjusted. When the power tool is applied to a medical device, a doctor can rotate the handle 3 according to actual needs to change the direction of the handle 3, and perform a surgical operation in a comfortable posture, thereby improving the comfort of the doctor in operation and the convenience of the power tool in use, and solving the technical problem that the existing power tool configuration in the related art is difficult to adapt to the comfortable holding of the power tool by the doctor in different postures and the processing of a bone.
[0030] By arranging the starting component 4, the inductive part 42 can be controlled to move along the axis of the tool body 1 by controlling the starting button 41 when the handle 3 is rotated to any angle, so as to connect or disconnect the inductive part 42 with the inductive element 11, thereby controlling the tool head 2 to be opened or closed. The doctor can control the tool head 2 in different postures, thereby comfortably holding the power tool and processing the bone, and solving the technical problem that the structure of the trigger and the triggering element is complex.
[0031] In some embodiments, the inductive part 42 comprises an inductive magnet, and the inductive magnet is embedded on a side of the inductive part 42 close to the tool body 1. When the inductive magnet is located in the inductive range, the inductive part 42 is connected with the inductive element 11, and the driving motor can be controlled to be opened, so as to control the tool head 2 to be opened and process the bone.
[0032] Preferably, the inductive element 11 is a Hall sensor, and the inductive part 42 is close to the inductive element 11, so as to trigger the inductive element 11, without the inductive part 42 directly contacting the inductive element 11, thereby avoiding the interference of a cable or other structure on the handle 3 in the rotating process. It can be understood that the inductive element 11 in the embodiment can also adopt other types of non-contact sensors in addition to the Hall sensor.
[0033] In some embodiments, the distance between the inductive part 42 and the inductive element 11 can change the strength of the inductive signal. By controlling the force of pressing the starting button 41, the distance between the inductive part 42 and the inductive element 11 can be adjusted, so as to control the rotating speed of the tool head 2 by the distance between the inductive part 42 and the inductive element 11.
[0034] In some embodiments, the tool body 1 is connected with a cable 10 to power the power tool and transmit signals.
[0035] In the power tool of the present embodiment, referring to Figure 1 The starting component 4 comprises a starting rod 43, the extending direction of the starting rod 43 is consistent with the axial direction of the tool body 1, one end of the starting rod 43 is connected with the starting button 41, the other end of the starting rod 43 is connected with the sensing part 42, and the starting rod 43 is movably arranged in the handle 3. In this way, the starting button 41 can be pressed to push the starting rod 43 to move, and then the starting rod 43 pushes the sensing part 42 to move along the axial direction of the tool body 1, so as to control the sensing part 42 to be connected with or disconnected from the sensing element 11.
[0036] In the power tool of the present embodiment, referring to Figure 1 The starting component 4 comprises a connecting rod 44, both ends of the connecting rod 44 are connected with the starting button 41 and the starting rod 43 respectively, wherein the connecting rod 44 comprises: a first connecting rod 441, one end of the first connecting rod 441 is connected with the starting button 41, and the other end of the first connecting rod 441 is connected with a second connecting rod 442; and the second connecting rod 442, one end of the second connecting rod 442 away from the first connecting rod 441 is connected with the starting rod 43, and a preset included angle is arranged between the second connecting rod 442 and the first connecting rod 441. By arranging the connecting rod 44, the transmission direction of the pressure is changed, the starting button 41 can be arranged at the “trigger” of the power tool, the sensing part 42 can be made close to the sensing element 11 by pressing the starting button 41, and the starting rod 43 and the sensing part 42 can be made as close to the sensing element 11 as possible, so as to ensure the working reliability of the sensing element 11.
[0037] In the power tool of the present embodiment, the connecting rod and the starting rod are used to push the sensing part 42 to connect with the sensing element 11, the pressure is not transmitted and converted by too many mechanical structures, the control of the tool head 2 can be realized in different poses, the structure of the power tool is simplified, and the power tool works more stably.
[0038] In the power tool of the present embodiment, referring to Figure 2 The starting component 4 comprises a support part 45 fixedly arranged on the starting rod 43, the support part 45 is protrusively arranged on the starting rod 43, and the sensing part 42 is arranged on the support part 45. By arranging the support part 45, the sensing part 42 can be made as close to the sensing element 11 as possible, the starting rod 43 is prevented from interfering with other internal structures in the tool body 1, and the working reliability of the sensing element 11 is ensured.
[0039] In the power tool of the present embodiment, referring to Figure 4The handle 3 comprises a connecting component 31 sleeved on the tool body 1, and the connecting component 31 is internally provided with a sliding groove 311, and the sliding groove 311 internally accommodates a starting rod 43, and the starting rod 43 is in sliding connection with the sliding groove 311. Through the above arrangement, on the one hand, the starting rod 43 can be fixed and guided, and on the other hand, the reciprocating friction of the starting rod 43 can be reduced, and the use experience of the power tool is improved.
[0040] Preferably, the starting rod 43 is a cylindrical rod body, and the sliding groove 311 is a cylindrical groove body matched with the starting rod 43.
[0041] In the power tool of the embodiment, referring to Figure 4 The handle 3 comprises a connecting component 31 sleeved on the tool body 1, and the connecting component 31 is internally provided with a sliding groove 311, and the sliding groove 311 internally accommodates a starting rod 43, and the starting rod 43 is in sliding connection with the sliding groove 311. Through the above arrangement, on the one hand, the starting rod 43 can be fixed and guided, and on the other hand, the reciprocating friction of the starting rod 43 can be reduced, and the use experience of the power tool is improved.
[0042] In the power tool of the embodiment, referring to Figure 4 The handle 3 comprises a connecting component 31 sleeved on the tool body 1, and the connecting component 31 is internally provided with a sliding groove 311, and the sliding groove 311 internally accommodates a starting rod 43, and the starting rod 43 is in sliding connection with the sliding groove 311. Through the above arrangement, on the one hand, the starting rod 43 can be fixed and guided, and on the other hand, the reciprocating friction of the starting rod 43 can be reduced, and the use experience of the power tool is improved.
[0043] Specifically, the starting component 4 comprises a first elastic member, one end of the first elastic member is in abutment with the starting button 41, and the other end of the first elastic member is in abutment with the bottom surface of the mounting groove 322, so that the starting button 41 can be reset after being pressed.
[0044] In the power tool of the embodiment, referring to Figure 1The inductive element 11 includes a plurality of inductive elements 11 which are distributed on the tool body 1 at intervals around the circumference of the tool body 1. Through the above arrangement, when the handle 3 is rotated to a specified number of rotation angles, the tool head 2 can be turned on by pressing the start button 41. When the power tool in the embodiment is applied to orthopedic surgery, a suitable adapter and bone processing instrument are selected, the handle 3 is directed and locked in a suitable direction, and the start button 41 is pressed to trigger the driving motor to rotate, thereby performing bone processing.
[0045] In the power tool of the embodiment, the connecting member 31 is provided with a rotation window 33 corresponding to the quick-mounting portion 5 on the tool body 1 to avoid the quick-mounting portion 5. Through the rotation window 33, the quick-mounting portion 5 can be avoided during the rotation of the handle 3. Thus, the quick-mounting portion 5 is arranged in the area of the connecting member 31, and the quick-mounting portion 5 and components such as the driving motor can be concentrated, thereby shortening the length of the entire power tool, miniaturizing the power tool, making the power tool more convenient to hold, and improving the use convenience of the power tool. Figure 5
[0046] In some embodiments, the power tool includes a limiting button 6 and a limiting portion connected with the limiting button 6. The power tool further includes a limiting disc 61 provided with limiting holes for accommodating the limiting portion. When the limiting button 6 is actuated along the extension direction of the tool body 1 to make the limiting portion leave the limiting hole, the handle 3 is free to rotate until the handle 3 is rotated to a rotation position when the hand leaves the limiting button 6. Under the elastic force of the spring, the limiting portion is automatically reset and clamped into the limiting hole. The handle 3 has multiple different use postures by rotating the power tool, and the limiting and rotation stopping of multiple use postures are realized through multiple limiting holes.
[0047] In some embodiments, the limiting hole and the inductive element 11 each include three, the three limiting holes are uniformly distributed around the axis of the tool body 1, and the three inductive elements 11 are one-to-one corresponding to the three limiting holes, that is, the handle 3 can realize the adjustment of three use postures. When the handle 3 is rotated to any one of the use postures, the start button 41 can be pressed to control the power tool to perform surgical operations.
[0048] In some embodiments, the limiting hole and the inductive element 11 each include four, the four limiting holes are uniformly distributed around the axis of the tool body 1, and the four inductive elements 11 are one-to-one corresponding to the four limiting holes, that is, the handle 3 can realize the adjustment of four use postures. When the handle 3 is rotated to any one of the use postures, the start button 41 can be pressed to control the power tool to perform surgical operations.
[0049] In some embodiments, the tool head 2 comprises a quick-change component for mounting the tool adapter, by pulling the outer sleeve outside the quick-change component, the steel ball limiting the tool adapter is allowed to move, so that the tool adapter can be freely in and out of the quick-change component to replace different tool adapters, releasing the sleeve can squeeze the steel ball on the outer wall of the tool adapter, so as to limit the tool adapter, and lock the tool adapter on the power tool, when the driving motor is triggered, the driving motor rotates and drives the tool head 2 to move, so as to realize different movement modes, and then process the patient's bone.
[0050] By using the quick-change component, the power tool in the embodiment can mount different bone processing devices, such as swing saw blades, reciprocating saw blades, and bone grinding drills, when the power tool is needed, select the appropriate adapter and bone processing device, select the appropriate tool body 1 and handle 3 direction and lock, press the start button 41 to trigger the driving motor to rotate, and then process the bone.
[0051] In the medical device of the embodiment, the medical device comprises the above-mentioned power tool, and the medical device further comprises a mechanical arm connected with the tool body 1 through the quick-mounting component 5.
[0052] In the medical device of the embodiment, when the power tool is needed, select the appropriate adapter and bone processing device, select the appropriate tool body 1 and handle 3 direction and lock, press the start button 41 to trigger the driving motor to rotate, and then process the bone, avoid occlusion and interference by rotating the handle 3, and change the adapter to adapt to different surgical procedures, which facilitates the performance of orthopedic surgery; the start button 41 can control the inductive part 42 to move along the axial direction of the tool body 1 to realize the connection or disconnection between the inductive part 42 and the inductive element 11, so as to control the tool head 2 to open or close, thereby solving the technical problem of complex structure of the trigger and the triggering element.
[0053] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0054] Optionally, the specific examples in the embodiments can refer to the examples described in the above embodiments, and the embodiments will not be described here again.
[0055] The sequence numbers of the above embodiments of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments.
[0056] In the above embodiments of the present application, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.
[0057] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which should be considered as the protection scope of the present application.
Claims
1. A power tool characterized by comprising: The utility model relates to a tool head (2) is installed on the tool body (1), and the inductive element (11) for controlling the opening and closing of tool head (2) is installed in the tool body (1); Handle (3), handle (3) rotatablely arranged around the axis of tool body (1); Start component (4), start component (4) includes the start button (41) and inductive part (42) installed on handle (3), and the start button (41) is used to control the inductive part (42) along the axial movement of tool body (1), so that the inductive part (42) is connected with inductive element (11). The start component (4) includes a start rod (43), the extension direction of the start rod (43) is consistent with the axial direction of the tool body (1), one end of the start rod (43) is connected with the start button (41), the other end of the start rod (43) is connected with the inductive part (42), and the start rod (43) is movably arranged in the handle (3).
2. The power tool of claim 1, wherein, The start component (4) includes a connecting rod (44), both ends of the connecting rod (44) are connected with the start button (41) and the start rod (43) respectively, wherein the connecting rod (44) comprises:
3. The power tool of claim 2, wherein, The first connecting rod (441) is connected with the start button (41) at one end, and the other end is connected with the second connecting rod (442); The second connecting rod (442) is connected with the start rod (43) at one end away from the first connecting rod (441), and a preset included angle is arranged between the second connecting rod (442) and the first connecting rod (441). The start component (4) includes a support part (45) fixedly arranged on the start rod (43), the support part (45) is protrudingly arranged on the start rod (43), and the inductive part (42) is arranged on the support part (45).
4. The power tool of claim 2, wherein, The handle (3) includes a connecting component (31) sleeved on the tool body (1), a sliding groove (311) is arranged in the connecting component (31), the start rod (43) is contained in the sliding groove (311), and the start rod (43) is slidably connected with the sliding groove (311).
5. The power tool of claim 3, wherein, The handle (3) includes a holding component (32) connected with the connecting component (31), an avoiding groove (321) is arranged at the connection between the holding component (32) and the connecting component (31), the extension direction of the avoiding groove (321) is consistent with the axial direction of the tool body (1), the second connecting rod (442) is contained in the avoiding groove (321), and the second connecting rod (442) is connected with the start rod (43) through the avoiding groove (321).
6. The power tool of claim 5, wherein, The holding component (32) comprises:
7. The power tool of claim 6, wherein, An installation groove (322) movably installs the start button (41) in the installation groove (322); A movable cavity (323) contains at least part of the first connecting rod (441) and / or at least part of the second connecting rod (442); A communication hole (324) is arranged between the mounting groove (322) and the movable cavity (323), and the communication hole (324) contains the first connecting rod (441).
8. The power tool of claim 1, wherein, The inductive element (11) comprises a plurality of inductive elements (11) which are distributed on the tool body (1) at intervals around the circumference of the tool body (1).
9. The power tool of claim 5, wherein, A rotating window (33) is arranged on the connecting component (31) and corresponds to the quick mounting part (5) on the tool body (1), so as to avoid the quick mounting part (5).
10. A medical device, characterized by The medical device comprises the power tool of any one of claims 1-9, and further comprises a mechanical arm connected with the tool body (1) through the quick mounting part (5).