Novel radio frequency connection structure and handle type radio frequency medical instrument
Through the new RF connection structure designed with the T-shaped contact body and insulating layer, the existing RF connection structure has solved the problems of high manufacturing costs and complex assembly, achieved cost reduction and process simplification, and improved the production efficiency and convenience of RF medical devices.
Patent Information
- Application Number
- CN202421513536.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing RF connection structure has high manufacturing cost and complex assembly process, which affects the production efficiency and convenience of RF medical devices.
The new RF connection structure designed with T-shaped contact body and insulating layer is automatically tightened and fixed by filling the main body of the contact body with adhesive material or setting grooves, and using threaded connections to achieve RF signal transmission, simplifying the assembly process.
It reduces the manufacturing cost of RF connection structures, simplifies the assembly process, and improves production efficiency and convenience of use.
Smart Images
Figure CN223093257U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical devices, namely a novel radio frequency connection structure and a handle-type radio frequency medical device. Background Art
[0002] In medical scenarios, radio frequency signals such as microwaves are widely used for treatment. For handle-type radio frequency medical devices such as microwave coagulation electrodes, their structures all involve the connection structures between different types of radio frequency heads and handles. Therefore, the simplicity of connecting and assembling the handle with different types of radio frequency heads will greatly affect the production efficiency and usability of such devices.
[0003] The existing radio frequency connection structures between different components of radio frequency devices all adopt the form of a male plug and a female plug, which are connected and fastened correspondingly. To complete the above connection form, two different styles of plugs, namely male and female, need to be manufactured, resulting in a high manufacturing cost and a complex assembly process. Therefore, the problems of how to reduce the manufacturing cost and simplify the assembly process urgently need to be solved. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is how to reduce the manufacturing cost of the radio frequency connection structure and simplify the assembly process.
[0005] To solve the above technical problem, the technical solution adopted by the utility model is: a novel radio frequency connection structure, which includes a first interface component and a second interface component. The characteristics are as follows: a T-shaped contact body is fixed in both the first and second interface components. The T-shaped contact body is composed of a contact body head and a contact body main body. A hollow part is formed inside the contact body main body. An object can be inserted into the hollow part. At least one through hole penetrating the outer wall of the contact body main body and the internal hollow part can be provided on the contact body main body. The object inserted into the hollow part is fixed to the T-shaped contact body by filling an adhesive material in the through hole; and / or, a plurality of grooves can be provided at the opening position of the contact body main body near the hollow part for inserting other objects. When an object is inserted into the hollow part, the contact body main body can automatically generate a contraction force at the grooves to tightly hold and fix the inserted object due to elasticity.
[0006] The novel radio frequency connection structure described above is further characterized in that: the first interface component has a metal shell, with openings at both ends and a through hollow inner cavity. The first interface component is fixedly connected to a radio frequency signal transmission component. The part serving as the inner conductor in this radio frequency signal transmission component is a metal rod. The metal rod is inserted along the central axis direction of the inner cavity of the first interface component and fixed therein. The outer circumference of the metal rod is wrapped with a first insulating layer. The top part of the metal rod inserted into the first interface component is inserted into and fixed in the hollow part of the contact body main part of the T-shaped contact body. A second insulating layer is filled between the contact body main part and the metal shell, and only the contact body head of the T-shaped contact body is exposed outside the second insulating layer. The metal shell is provided with a threaded part on the outer wall of the shell wrapping the outer circumference of the second insulating layer.
[0007] The novel radio frequency connection structure described above is further characterized in that: the second interface component has a metal shell, with openings at both ends and a through hollow inner cavity. The second interface component is fixedly connected to a radio frequency signal transmission component. The part serving as the inner conductor in this radio frequency signal transmission component is a metal rod. The metal rod is inserted along the central axis direction of the inner cavity of the second interface component and fixed therein. The outer circumference of the metal rod is wrapped with a first insulating layer. The top part of the metal rod inserted into the second interface component is inserted into and fixed in the hollow part of the contact body main part of the T-shaped contact body. A second insulating layer is filled between the contact body main part and the metal shell, and only the contact body head of the T-shaped contact body is exposed outside the second insulating layer. The metal shell wraps around the outer circumference of the second insulating layer, and the top position of the metal shell extends beyond the position of the contact body head of the T-shaped contact body. The metal shell is provided with a threaded part on the inner wall of the shell at the part extending beyond the contact body head of the T-shaped contact body.
[0008] The novel radio frequency connection structure described above is further characterized in that: the threaded part of the first interface component and the threaded part of the second interface component are matched in thread pattern and size, and the first interface component and the second interface component can be tightly connected by threading. At this time, the contact body head of the T-shaped contact body exposed outside the second insulating layer in the first interface component can be in contact with the contact body head of the T-shaped contact body exposed outside the second insulating layer in the second interface component, enabling the radio frequency signal to be transmitted between the first and second interface components.
[0009] The novel radio frequency connection structure described above is further characterized in that: the T-shaped contact body is in the shape of a nail and is made of QSn4-3 elastic metal.
[0010] The novel radio frequency connection structure described above is further characterized in that: the main body part of the contact body is cylindrical, and the filling and bonding material is solder.
[0011] The novel radio frequency connection structure described above is further characterized in that: the inner cavity is cylindrical, the metal rod body is cylindrical, and the insulating layer is made of polytetrafluoroethylene.
[0012] The novel radio frequency connection structure described above is further characterized in that: the first interface component and the second interface component are tightly connected by threads, and a thread gasket is provided.
[0013] A handle-type radio frequency medical device adopts the novel radio frequency connection structure described above, and is characterized in that: it further includes a radio frequency head fixedly connected to the first interface component, a handle with the second interface component fixed at one end, and a radio frequency signal generator connected to the handle. It is characterized in that: the radio frequency signal emitted by the radio frequency signal generator can be transmitted to the radio frequency head through the tight connection of the first interface component and the second interface component. Brief Description of the Drawings
[0014] The following further describes the present invention in conjunction with the drawings and embodiments:
[0015] Figure 1 It is a schematic structural diagram of the T-shaped contact body of the radio frequency connection structure;
[0016] Figure 2 It is a sectional structural diagram of the first interface component of the radio frequency connection structure;
[0017] Figure 3 It is a sectional structural diagram of the second interface component of the radio frequency connection structure;
[0018] Figure 4 It is a sectional structural diagram of the radio frequency connection structure for a handle-type radio frequency medical device. Detailed Embodiments
[0019] Such as Figure 1As shown in the figure, a T-shaped contact body 1 is composed of a contact body head 101 and a contact body main body 102. The T-shaped contact body 1 is preferably in the shape of a nail, and the material is preferably QSn4-3 elastic metal. The contact body main body 102 is preferably cylindrical, and a hollow part 103 is formed inside the contact body main body 102 for other objects to be inserted. At least one through hole 104 penetrating the outer wall of the contact body main body 102 and the internal hollow part 103 can be provided on the contact body main body 102. The object inserted into the hollow part 103 can be fixed to the T-shaped contact body 1 by filling an adhesive material in the through hole 104. The preferred adhesive material for filling is solder. And / or, a plurality of grooves 105 can be provided at the opening position of the contact body main body 102 near the hollow part 103 for other objects to be inserted. When the T-shaped contact body 1 is made of elastic metal material, when other objects are inserted into the hollow part 103, the contact body main body 102 can automatically generate a contraction force at the grooves 105 to hold and fix the inserted object due to elasticity.
[0020] As Figure 2 shown in the figure, a radio frequency connection structure includes a first interface component 2, which has a metal shell 203, with openings at both ends and a through hollow inner cavity. The inner cavity is preferably cylindrical. The first end of the first interface component 2 ( Figure 2 the left side in the figure) is connected and fixed to a radio frequency signal transmission component. The part serving as the inner conductor in the radio frequency signal transmission component is a metal rod 201. The metal rod 201 is inserted along the central axis direction of the inner cavity of the first interface component 2 from the first end of the first interface component 2 and fixed in the inner cavity. The metal rod 201 is preferably cylindrical. A first insulating layer 202 adapted to the size of the inner cavity is wrapped around the outer circumference of the metal rod 201. At the second end of the first interface component 2 ( Figure 2In the (right side of the middle) direction, the top end of the metal rod 201 extends outside the first insulating layer 202. The part of the top end of the metal rod 201 that extends outside the first insulating layer 202 is inserted into and fixed in the hollow part 103 of the contact body main part 102 of a T-shaped contact body 1. At the second end of the first interface component 2, the position of the contact body head 101 of the T-shaped contact body 1 extends outside the metal shell 203. A second insulating layer 204 is filled between the contact body main part 102 and the metal shell 203 to wrap the entire outer peripheral area of the contact body main part 102, and only the contact body head 101 of the T-shaped contact body 1 is exposed outside the second insulating layer 204. On the outer wall of the shell that wraps the outer periphery of the second insulating layer 204, the metal shell 203 is provided with a threaded part 205. Thus, the first interface component 2 as a whole can form a radio frequency coaxial transmission structure. Among them, the metal rod 201 and the T-shaped contact body 1 sleeved and fixed at its top end form the inner conductor of the radio frequency coaxial transmission structure, the first insulating layer 202 and the second insulating layer 204 form the insulator of the radio frequency coaxial transmission structure, and the metal shell 203 forms the outer conductor of the radio frequency coaxial transmission structure. The materials of the first insulating layer 202 and the second insulating layer 204 are preferably polytetrafluoroethylene.
[0021] As Figure 3 shown, a radio frequency connection structure includes a second interface component 3, which has a metal shell 303, openings at both ends and has a through hollow inner cavity. The inner cavity is preferably cylindrical. The first end of the second interface component 3 ( Figure 3 right side of the middle) is connected and fixed to a radio frequency signal transmission component. The part that serves as the inner conductor in the radio frequency signal transmission component is a metal rod 301. The metal rod 301 is inserted into and fixed in the inner cavity along the central axis direction of the inner cavity of the second interface component 3 from the first end of the second interface component 3. The metal rod 301 is preferably cylindrical. The outer periphery of the metal rod 301 is wrapped with a first insulating layer 302 adapted to the size of the inner cavity. At the second end of the second interface component 3 ( Figure 3In the left (center) direction, the top end of the metal rod 301 extends beyond the first insulating layer 302. The part of the top end of the metal rod 301 that extends beyond the first insulating layer 302 is inserted into and fixed in the hollow part 103 of the contact body main part 102 of a T-shaped contact body 1. At the second end of the second interface component 3, the top end of the metal shell 303 extends beyond the position of the contact body head 101 of the T-shaped contact body 1. A second insulating layer 304 is filled between the contact body main part 102 and the metal shell 303 to wrap the entire outer peripheral area of the contact body main part 102, and only the contact body head 101 of the T-shaped contact body 1 is exposed outside the second insulating layer 304. On the inner wall of the shell of the part of the metal shell 303 that extends beyond the contact body head 101 of the T-shaped contact body 1, a threaded part 305 is provided. Thus, the second interface component 3 as a whole can form a radio frequency coaxial transmission structure. Among them, the metal rod 301 and the T-shaped contact body 1 fixed to its top end form the inner conductor of the radio frequency coaxial transmission structure, the first insulating layer 302 and the second insulating layer 304 form the insulator of the radio frequency coaxial transmission structure, and the metal shell 303 forms the outer conductor of the radio frequency coaxial transmission structure. The materials of the first insulating layer 302 and the second insulating layer 304 are preferably polytetrafluoroethylene. The threaded part 205 of the first interface component 2 and the threaded part 305 of the second interface component 3 are matched in thread pattern and size, and the first interface component 2 and the second interface component 3 can be firmly connected by threads. Preferably, a threaded gasket is provided. At this time, the contact body head 101 of the T-shaped contact body 1 exposed outside the insulating layer 204 in the first interface component 2 can be in close contact with the contact body head 101 of the T-shaped contact body 1 exposed outside the insulating layer 304 in the second interface component 3, so that radio frequency signals can be transmitted through the first and second interface components.
[0022] As Figure 4 shown, a handle-type radio frequency medical device, a first interface component 2 is fixedly connected to a radio frequency head. The connection and fixation method of the first interface component 2 to the radio frequency head and the types of radio frequency heads can be various. Such as Figure 4 B, C, D, E, etc. in are all connection and fixation methods of the first interface component 2 to the radio frequency head and types of radio frequency heads acceptable in this solution. One end of the metal rod 201 serving as the inner conductor of the radio frequency coaxial transmission in the radio frequency head is fixed in the T-shaped contact body in the first interface component 2 in the Figure 2 structure shown. A second interface component 3 is fixed to one end of a handle ( Figure 4 A in is the handle), a metal rod 301 passes through the handle. One end of the metal rod 301 is in the Figure 3The structure shown is fixed within the T-shaped contact body in the second interface component 3, and the other end is connected to a radio frequency signal generator outside the handle (not shown in the figure) through a transmission wire. When the first interface component 2 and the second interface component 3 are screwed and fastened together, the contact body heads 101 of the T-shaped contact bodies in the two interface components are in contact with each other, and the radio frequency signal emitted by the radio frequency signal generator can be transmitted to the radio frequency head.
[0023] The present utility model discloses a novel radio frequency connection structure, including a first interface component 2 and a second interface component 3. Except for the threaded parts, the remaining structures of the two interface components are basically the same, and both have contact body heads of T-shaped contact bodies that expose the insulating layer and are exactly the same. This structure completes the transmission of radio frequency signals through the contact between the contact body heads formed after the two interface components are screwed and fastened. Therefore, there is no need to manufacture plugs with two different structures of male plugs and female plugs. Only one structure designed around the T-shaped contact body is required to complete the connection of the two interface components, which can achieve the technical effects of greatly reducing the manufacturing cost of the interface and simplifying the assembly process.
Claims
1. A novel radio frequency connection structure, which includes a first interface component and a second interface component, and is characterized in that: A T-shaped contact body is fixed in each of the first and second interface components. The T-shaped contact body consists of a contact body head and a contact body main body. A hollow part is formed inside the contact body main body, and an object can be inserted into the hollow part. At least one through hole penetrating the outer wall and the internal hollow part of the contact body main body can be provided on the contact body main body, and the object inserted into the hollow part is fixed to the T-shaped contact body by filling an adhesive material in the through hole; and / or, a plurality of grooves can be provided at the opening position of the hollow part of the contact body main body close to where other objects are inserted. When other objects are inserted into the hollow part, the contact body main body can automatically generate a contraction force at the grooves to tightly hold and fix the inserted object.
2. The novel radio frequency connection structure according to claim 1, characterized in that: The first interface component has a metal shell with openings at both ends and a through hollow inner cavity. The first interface component is fixedly connected to a radio frequency signal transmission component. The part serving as the inner conductor in the radio frequency signal transmission component is a metal rod. The metal rod is inserted and fixed along the central axis direction of the inner cavity of the first interface component. The outer periphery of the metal rod is wrapped with a first insulating layer. The top part of the metal rod inserted into the first interface component is inserted into and fixed in the hollow part of the contact body main body of the T-shaped contact body. A second insulating layer is filled between the contact body main body and the metal shell, and only the contact body head of the T-shaped contact body is exposed outside the second insulating layer. A threaded part is provided on the outer wall of the shell of the metal shell wrapping the outer periphery of the second insulating layer.
3. The novel radio frequency connection structure according to claim 2, characterized in that: The second interface component has a metal shell with openings at both ends and a through hollow inner cavity. The second interface component is fixedly connected to a radio frequency signal transmission component. The part serving as the inner conductor in the radio frequency signal transmission component is a metal rod. The metal rod is inserted and fixed along the central axis direction of the inner cavity of the second interface component. The outer periphery of the metal rod is wrapped with a first insulating layer. The top part of the metal rod inserted into the second interface component is inserted into and fixed in the hollow part of the contact body main body of the T-shaped contact body. A second insulating layer is filled between the contact body main body and the metal shell, and only the contact body head of the T-shaped contact body is exposed outside the second insulating layer. The metal shell wraps the outer periphery of the second insulating layer, and the top position of the metal shell extends beyond the position of the contact body head of the T-shaped contact body. A threaded part is provided on the inner wall of the shell of the metal shell at the part extending beyond the contact body head of the T-shaped contact body.
4. The novel radio frequency connection structure according to claim 3, wherein: The thread portion of the first interface component matches the thread portion of the second interface component in terms of thread pattern and size, and the first interface component and the second interface component can be tightly connected by threads. At this time, the contact head of the T-shaped contact exposed outside the second insulating layer in the first interface component can be in contact with the contact head of the T-shaped contact exposed outside the second insulating layer in the second interface component, enabling the radio frequency signal to be transmitted through the first and second interface components.
5. The novel radio frequency connection structure according to claim 1, characterized in that: The T-shaped contact is in the shape of a nail and is made of QSn4-3 elastic metal.
6. The novel radio frequency connection structure according to claim 1, characterized in that: The main body portion of the contact is cylindrical, and the filling and bonding material is solder.
7. The novel radio frequency connection structure according to claim 2 or 3, characterized in that: The inner cavity is cylindrical, the metal rod is cylindrical, and the insulating layer is made of polytetrafluoroethylene.
8. The novel radio frequency connection structure according to claim 4, wherein: When the first interface component and the second interface component are tightly connected by threads, a thread gasket is provided.
9. A handle-type radio frequency medical device, adopting the novel radio frequency connection structure as described in any one of claims 1-8, characterized in that: It further includes a radio frequency head fixedly connected to the first interface component, a handle with the second interface component fixed at one end, and a radio frequency signal generator connected to the handle. It is characterized in that: through the tight connection of the first interface component and the second interface component, the radio frequency signal emitted by the radio frequency signal generator can be transmitted to the radio frequency head.