Double-instrument switching assembly and medical instrument

Abstract

The utility model provides a double-instrument switching assembly and a medical instrument. The double-instrument switching assembly comprises an instrument part, a rotating piece and a connecting rod part. The instrument part is provided with a first instrument and a second instrument which are arranged side by side; the rotating piece rotates around a rotating center, and a first connecting part and a second connecting part are eccentrically arranged on the rotating piece relative to the rotating center; the connecting rod part comprises a first connecting rod and a second connecting rod, the first connecting rod is rotationally connected to the first connecting part, and the second connecting rod is rotationally connected to the second connecting part; when the rotating piece is rotated, one of the first instrument and the second instrument moves to the working position from the initial position, and the other one moves to the initial position from the working position. In this way, the instruments needing to be used can be conveniently and rapidly switched. Moreover, different advancing or retreating distances of the instruments can be realized by replacing the connecting rod parts with different lengths, so that the use flexibility and convenience of the double-instrument switching assembly are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and in particular to a dual-device switching component and a medical device. Background Art

[0002] As for the medical devices involved in various endoscopic surgeries, different types of instruments often need to be used in combination. For example, in endoscopic submucosal dissection (ESD), high-frequency mucosal cutters and endoscopic injection needles are often required. High-frequency mucosal cutters are used for marking, incision, and stripping, while endoscopic injection needles are used to lift the diseased mucosa before surgery and to supplement fluids during surgery.

[0003] Currently, during surgery, it is generally necessary to repeatedly insert and withdraw the forceps channel to replace different types of surgical instruments. This operation of replacing surgical instruments often prolongs the operation time, reduces the operation efficiency and increases the risk of infection for patients. Therefore, there is an urgent need for a combination component that can simultaneously assemble at least two different instruments to reduce the number of insertions and withdrawals of the forceps channel. Utility Model Content

[0004] In order to at least partially solve the problems existing in the prior art, according to the utility model, a dual-instrument switching assembly is provided, including an instrument part, a rotating member and a connecting rod part. The instrument part has a first instrument and a second instrument arranged side by side. The rotating member is arranged to rotate around a rotation center, and a first connecting portion and a second connecting portion are eccentrically arranged on the rotating member relative to the rotation center. The connecting rod part includes a first connecting rod and a second connecting rod, the first connecting rod is rotatably connected to the first connecting portion, and the second connecting rod is rotatably connected to the second connecting portion. The first instrument is connected to an end of the first connecting rod away from the first connecting portion, and the second instrument is connected to an end of the second connecting rod away from the second connecting portion, so that when the rotating member is rotated, one of the first instrument and the second instrument moves from the initial position to the working position, and the other moves from the working position to the initial position.

[0005] The dual-device switching assembly of the utility model can conveniently switch the device to be used according to different usage conditions by rotating the rotating member, that is, conveniently switch the first device and the second device. In addition, by replacing the connecting rod parts of different lengths, different advancement or retraction distances of the devices can be achieved, so that the first device and the second device can be accurately switched between the initial position and the working position, effectively improving the flexibility and convenience of the dual-device switching assembly.

[0006] Exemplarily, when the rotating member is rotated, the first instrument and the second instrument have different movement strokes when moving from their respective initial positions to their respective working positions.

[0007] Exemplarily, the first connecting portion is closer to the rotation center than the second connecting portion; and / or, the first connecting rod and the second connecting rod have different lengths.

[0008] Exemplarily, the instrument part also has a guide member, and the first instrument and the second instrument are limited by the guide member to move from an initial position to a working position or from a working position to an initial position along a first direction, wherein the first direction is a direction parallel to the rotation center of the rotating member.

[0009] Exemplarily, a through hole is provided on the guide member, and at least a portion of the first instrument and at least a portion of the second instrument are inserted through the through hole.

[0010] Exemplarily, a plurality of tooth-shaped grooves are provided on the outer periphery of the rotating member.

[0011] According to another aspect of the utility model, a medical device is also provided, including an outer protective sheath and a dual-instrument switching assembly as described above, wherein when the first instrument and the second instrument are in their respective initial positions, they are located inside the outer protective sheath, and when the first instrument and the second instrument are in their respective working positions, they at least partially extend outside the outer protective sheath.

[0012] Exemplarily, the outer protective sheath is connected to a handle, and the rotating member is connected to the handle via a pin.

[0013] Exemplarily, a receiving space is provided on the handle, and the first connecting rod and the second connecting rod are both provided in the receiving space.

[0014] Exemplarily, a portion of the rotating member is located in the accommodating space.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and other purposes, features and advantages of the present invention will become more apparent by describing the embodiments of the present invention in more detail in conjunction with the accompanying drawings. The accompanying drawings are used to provide a further understanding of the embodiments of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings, the same reference numerals generally represent the same components or steps.

[0017] Figure 1 A schematic structural diagram of a dual-device switching assembly according to an exemplary embodiment of the utility model is shown;

[0018] Figure 2A schematic structural diagram of a dual-instrument switching assembly (with a guide member) according to an exemplary embodiment of the utility model is shown;

[0019] Figure 3 A schematic structural diagram of a dual-device switching assembly according to another exemplary embodiment of the utility model is shown;

[0020] Figure 4 A perspective view of a medical device according to an exemplary embodiment of the present invention is shown;

[0021] Figure 5 Shows Figure 4 An exploded view of a medical device according to an exemplary embodiment of the present invention is shown in FIG.

[0022] Among them, the components represented by the reference numerals in the figures are:

[0023] 10. Dual instrument switching assembly; 11. Instrument part; 111. First instrument; 112. Second instrument; 12. Rotating member; 121. First connecting part; 122. Second connecting part; 123. Toothed groove; 13. Connecting rod part; 131. First connecting rod; 132. Second connecting rod; 14. Guide member; 141. Through hole; 142. Third connecting part; 20. Outer protective sheath; 30. Handle; 301. Pin; 302. Accommodating space; 303. First fixing hole; 304. Second fixing hole. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more obvious, the exemplary embodiments according to the utility model will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments of the utility model, and it should be understood that the utility model is not limited to the exemplary embodiments described here. Based on the embodiments of the utility model described in the utility model, all other embodiments obtained by those skilled in the art without creative work should fall within the protection scope of the utility model.

[0025] In the following description, a large number of details are provided so that the present invention can be thoroughly understood. However, it will be appreciated by those skilled in the art that the following description only illustrates preferred embodiments of the present invention, and the present invention can be implemented without one or more of such details. In addition, in order to avoid confusion with the present invention, some technical features known in the art are not described in detail.

[0026] In order to thoroughly understand the implementation of the utility model, a detailed structure will be presented in the following description. Obviously, the implementation of the utility model is not limited to the specific details familiar to those skilled in the art. The preferred implementation of the utility model is described in detail below, but in addition to these detailed descriptions, the utility model can also have other implementations.

[0027] In one embodiment of the present invention, a dual instrument switching assembly 10 is provided, and the dual instrument switching assembly 10 can be used in the medical field, the industrial automation field, or the laboratory research field, etc. The following will introduce a dual instrument switching assembly 10 according to an embodiment of the present invention in detail with reference to the accompanying drawings. Taking the dual instrument switching assembly 10 used in the medical field as an example, different types of surgical instruments can be used together during surgery.

[0028] See also Figure 1 The dual-device switching assembly 10 includes an instrument part 11, a rotating member 12 and a connecting rod part 13. The instrument part 11 has a first instrument 111 and a second instrument 112 arranged side by side. The rotating member 12 is arranged to rotate around a rotation center, and a first connecting portion 121 and a second connecting portion 122 are eccentrically arranged on the rotating member 12 relative to the rotation center. The connecting rod part 13 includes a first connecting rod 131 and a second connecting rod 132, wherein the first connecting rod 131 is rotatably connected to the first connecting portion 121, and the second connecting rod 132 is rotatably connected to the second connecting portion 122; wherein the first instrument 111 is connected to an end of the first connecting rod 131 away from the first connecting portion 121, and the second instrument 112 is connected to an end of the second connecting rod 132 away from the second connecting portion 122, so that when the rotating member 12 is rotated, one of the first instrument 111 and the second instrument 112 moves from the initial position to the working position, and the other moves from the working position to the initial position.

[0029] The first instrument 111 and the second instrument 112 can be represented as different types of operating tools, respectively. For example, in the field of mechanical manufacturing, the first instrument 111 can be represented as a straight-shaped tool, and the second instrument 112 can be represented as a cross-shaped tool. In the field of medical surgical instruments, for example, the first instrument 111 can be represented as an injection needle, and the second instrument 112 can be represented as a high-frequency electric knife. By setting the first instrument 111 and the second instrument 112 as different types of tools, respectively, it is possible to switch between the first instrument 111 and the second instrument 112 according to different usage scenarios to meet the needs of different usage scenarios, and the efficiency of switching tools can be effectively improved.

[0030] The shape of the rotating member 12 may be circular, rectangular, etc. It is preferably circular. For the rotating member 12 that is circular as a whole, the rotation center may be the center of the rotating member 12. The rotating member 12 may freely rotate around the rotation center under the operation of the user or under the control of other devices.

[0031] The two ends of the first connecting rod 131 are rotatably connected to the first device 111 and the first connecting portion 121 respectively.

[0032] Both ends of the second connecting rod 132 are rotatably connected to the second device 112 and the second connecting portion 122 respectively.

[0033] The working position is the position when the instrument part 11 is away from the rotating member 12, at which time the instrument part 11 is in an advancing state. The initial position is the position when the instrument part 11 is close to the rotating member 12, at which time the instrument part 11 is in a retreating state.

[0034] For example, Figure 1 As shown, when the rotating member 12 is rotated clockwise, the first connecting rod 131 drives the first device 111 to move forward in a direction away from the rotating member 12, and the second connecting rod 132 drives the second device 112 to move back in a direction close to the rotating member 12, thereby, the first device 111 moves from the initial position to the working position, and the second device 112 moves from the working position to the initial position. Conversely, when the rotating member 12 is rotated counterclockwise, the first device 111 moves from the working position to the initial position, and the second device 112 moves from the initial position to the working position.

[0035] Optionally, the first connecting rod 131 and the second connecting rod 132 have the same length. When the first connecting rod 131 and the second connecting rod 132 have the same length, the structure of the dual-machine switching assembly 10 can be simplified, making the dual-machine switching assembly 10 easy to produce and assemble.

[0036] In one embodiment of the present invention, refer to Figure 2 The first connection portion 121 and the second connection portion 122 are symmetrically arranged relative to the rotation center, that is, the first connection portion 121 and the second connection portion 122 are at the same distance from the rotation center of the rotating member 12 .

[0037] The first connecting portion 121 and the second connecting portion 122 are configured as protrusions on the rotating member 12 .

[0038] Alternatively, the rotating member 12 may be provided with a connection hole, and a plug-in member may be inserted into the connection hole. The length of the plug-in member is greater than the thickness of the rotating member 12, and the plug-in member is inserted into the connection hole to form a protrusion on the rotating member 12, which facilitates the rotation connection of the first connecting rod 131 and the second connecting rod 132.

[0039] With such an arrangement, the first device 111 and the second device 112 can have the same movement distance, and the user can quickly switch between different types of devices, effectively saving the time required for adjustment.

[0040] In order to meet the different requirements of the advancement or retraction of different instruments, such as Figure 3 As shown, when the apparatus is switched, the first apparatus 111 and the second apparatus 112 have different movement strokes. That is, when the rotating member 12 is rotated, the first apparatus 111 and the second apparatus 112 have different movement strokes when they move from their respective initial positions to their respective working positions.

[0041] For example, see Figure 3 , the length of the first connecting rod 131 is different from the length of the second connecting rod 132. When the length of the first connecting rod 131 is greater than the length of the second connecting rod 132, the advancement distance of the first device 111 can be increased, which is convenient for users to use. In this way, the advancement distances of different types of devices in the dual-device switching assembly 10 can be flexibly set according to actual usage conditions, effectively improving the practicality of the dual-device switching assembly 10.

[0042] With such a configuration, by rotating the rotating member 12, the device to be used can be conveniently switched according to different usage conditions, that is, the first device 111 and the second device 112 can be conveniently switched. In addition, the connecting rod portion 13 of different lengths can be replaced to achieve different advancement or retraction distances of the device, so that the first device 111 and the second device 112 can be accurately switched between the initial position and the working position, effectively improving the flexibility and convenience of the dual-device switching assembly 10.

[0043] For example, see Figure 3 , the first connection portion 121 is closer to the rotation center than the second connection portion 122.

[0044] The device to be used in combination can be determined according to the specific positions of the first connecting portion 121 and the second connecting portion 122 on the rotating member 12 .

[0045] Exemplarily, when the first connection portion 121 is closer to the rotation center than the second connection portion 122, the second device 112 connected to the second connection portion 122 has a longer movement distance than the first device 111 connected to the first connection portion 121. Thus, when the first device 111 and the second device 112 are the same length, the second device 112 has a longer propulsion distance. Assuming that the length of the second device 112 is greater than the length of the first device 111, the second device 112 has a longer propulsion distance, which greatly facilitates the use and operation of the user.

[0046] With such a configuration, the different positions of the first connecting portion 121 and the second connecting portion 122 from the rotation center can be utilized, and instruments of different lengths can be selected according to different usage conditions, thereby effectively improving the flexibility of the dual-instrument switching assembly 10.

[0047] It is understandable that in other embodiments not given, with respect to the length setting of the first connecting rod 131 and the second connecting rod 132, and / or the setting of the first connecting portion 121 and the second connecting portion 122 relative to the rotation center, those skilled in the art can freely design and combine them according to actual needs, so as to realize that the first device 111 and the second device 112 have different advancement or retraction strokes, thereby meeting the requirements for different devices to have different movement strokes in actual situations.

[0048] Optionally, see Figure 1 and Figure 3 , the first connection part 121 and the second connection part 122 are respectively arranged on opposite sides of the rotating member 12; or, the first connection part 121 and the second connection part 122 are arranged on the same side. When the first connection part 121 and the second connection part 122 are respectively arranged on the two sides of the rotating member 12, the first device 111 and the second device 112 can have a larger movement space when moving, and the movement space of the first device 111 and the second device 112 is independent, which can increase the movement stability between the first device 111 and the second device 112. When the first connection part 121 and the second connection part 122 are arranged on the same side of the rotating member 12, the structure of the dual-device switching component 10 can be simplified, easy to implement, and the manufacturing cost is greatly reduced. In this way, users can flexibly select the dual-device switching component 10 that meets their needs according to different usage conditions, thereby improving the user's usage experience.

[0049] In one embodiment of the present invention, refer to Figure 2 The instrument part 11 also has a guide member 14, and the first instrument 111 and the second instrument 112 are limited by the guide member 14 to move from an initial position to a working position or from a working position to an initial position along a first direction.

[0050] The first direction is a direction parallel to the plane of the rotating member 12. Figure 2 , the first direction may be the X direction in the figure.

[0051] The guide member 14 can make the first device 111 and the second device 112 move along a predetermined track. The guide member 14 can be rectangular, square or cylindrical, etc. In the embodiment of the present application, the shape of the guide member 14 is not limited. All devices with a guiding function are within the protection scope of the present application.

[0052] The first instrument 111 and the second instrument 112 are inserted into the guide member 14 , and the guide member 14 can limit the movement trajectories of the first instrument 111 and the second instrument 112 during movement, thereby ensuring that the first instrument 111 and the second instrument 112 can move in a straight line direction.

[0053] Such a configuration can effectively ensure the accuracy of the movement of the first device 111 and the second device 112 along the first direction when the dual device switching assembly 10 switches the devices, thereby improving the user experience.

[0054] In one embodiment of the present invention, refer to Figure 2 A through hole 141 is formed on the guide member 14 , and at least a portion of the first device 111 and at least a portion of the second device 112 are inserted into the through hole 141 .

[0055] In an embodiment not shown, a first push rod may be included between the first device 111 and the first connecting rod 131, and the first push rod drives the first device 111 to advance or retreat under the action of the first connecting rod 131. A second push rod may be included between the second device 112 and the second connecting rod 132, and the second push rod drives the second device 112 to advance or retreat under the action of the second connecting rod 132.

[0056] The guide member 14 can be sleeved on the outside of any part of the first instrument 111 and the second instrument 112 or the first push rod and the second push rod to ensure that the first instrument 111 and the second instrument 112 move along a predetermined trajectory.

[0057] With such arrangement, the instrument portion 11 can be flexibly arranged in the guide member 14, further improving the user experience.

[0058] In one embodiment of the present invention, refer to Figure 1 A plurality of tooth-shaped grooves 123 are provided on the outer periphery of the rotating member 12 .

[0059] A plurality of tooth-shaped grooves 123 are evenly arranged on the outer periphery of the rotating member 12 , so as to transmit the torque to various parts of the rotating member 12 , thereby improving the transmission efficiency of the rotating member 12 .

[0060] In this way, the toothed groove 123 can increase the friction between the rotating member 12 and the user contact surface, thereby providing better rotational force. In addition, the toothed groove 123 can also be used to position the rotation of the rotating member 12 at a specific position to achieve precise control and positioning.

[0061] In one embodiment of the present invention, a medical device is provided. Figure 3 The medical device includes an outer protective sheath 20 and a dual-instrument switching assembly 10 as described above. When the first instrument 111 and the second instrument 112 are in their respective initial positions, they are located in the outer protective sheath 20. When the first instrument 111 and the second instrument 112 are in their respective working positions, they at least partially extend out of the outer protective sheath 20.

[0062] The outer protective sheath 20 is a tubular structure sleeved on the first device 111 and the second device 112. The tubular shape of the outer protective sheath 20 can be cylindrical, elongated, or the like.

[0063] The outer protective sheath 20 can protect the instrument part 11 from being polluted and damaged by the external environment, and can isolate the contact between the instrument part 11 and the external tissue or environment to prevent cross infection and contamination.

[0064] The outer protective sheath 20 can provide a safety protection layer to reduce the potential risk of injury to the user during surgical operations, prevent the instrument part 11 from accidentally sliding or puncturing, and thus reduce accidental injuries during the operation.

[0065] With such arrangement, the outer protective sheath 20 can effectively protect the instrument part 11 in the medical instrument, isolate the pollution from the external environment, accurately guide the instrument part 11, and help improve the safety and effect of the surgical operation.

[0066] In one embodiment of the present invention, refer to Figure 4 and Figure 5 The outer protective sheath 20 is connected to a handle 30 , and the rotating member 12 is connected to the handle 30 via a pin 301 .

[0067] The dual-instrument switching assembly 10 is disposed in the handle 30 and the outer protective sheath 20, and one end of the outer protective sheath 20 is detachably connected to one end of the handle 30 in the direction of advancement of the first instrument 111 and the second instrument 112. A first fixing hole 303 is disposed at the rotation center position of the rotating member 12 and the handle 30, and the two are connected by a pin 301.

[0068] One or more third connecting parts 142 may be provided on the outer surface of the guide member 14, and a second fixing hole 304 may be correspondingly provided on the handle 30. The guide member 14 may be connected to the handle 30 through the third connecting part 142 and the corresponding second fixing hole 304 to improve the stability of the guide member 14.

[0069] With such arrangement, the rotating member 12 is rotatably connected to the handle 30 , which can facilitate the user's operation of switching between two devices, and effectively improve the user's experience.

[0070] In one embodiment of the present invention, refer to Figure 4 and Figure 5 The handle 30 is provided with an accommodating space 302 , and the first connecting rod 131 and the second connecting rod 132 are both disposed in the accommodating space 302 .

[0071] Such an arrangement can avoid damage to key components such as the first connecting rod 131 and the second connecting rod 132 in the dual-device switching assembly 10 due to external environmental factors, effectively improving the structural firmness and use safety of the medical device. In addition, the structural layout of the medical device can be reasonable and compact.

[0072] In one embodiment of the present invention, refer to Figure 4 and Figure 5 , a portion of the rotating member 12 is located in the accommodating space 302 .

[0073] Such an arrangement can make the structural layout of the medical device reasonable, enhance the tightness of the installation of the rotating member 12, and prevent the rotating member 12 from rotating easily during use when switching between two medical devices, thereby improving the safety of user use.

[0074] Although example embodiments have been described herein with reference to the accompanying drawings, it should be understood that the above example embodiments are merely exemplary and are not intended to limit the scope of the present invention thereto. A person of ordinary skill in the art may make various changes and modifications therein without departing from the scope and spirit of the present invention. All such changes and modifications are intended to be included within the scope of the present invention as required by the appended claims.

[0075] For ease of description, the term "connection" may be used here to describe the relationship between one or more elements or features shown in the figures and other elements or features. It should be understood that "connection" may include direct connection or indirect connection via other elements or features, and this article is intended to include all of these situations.

[0076] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, parts, components and / or combinations thereof.

[0077] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0078] The utility model has been described through the above embodiments, but it should be understood that the above embodiments are only for the purpose of example and description, and are not intended to limit the utility model to the scope of the described embodiments. In addition, it can be understood by those skilled in the art that the utility model is not limited to the above embodiments, and more variations and modifications can be made according to the teachings of the utility model, and these variations and modifications all fall within the scope of protection claimed by the utility model. The protection scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A dual-device switching assembly, characterized in that: include: an instrument portion, the instrument portion having a first instrument and a second instrument arranged side by side; A rotating member rotatably arranged around a rotation center, wherein the rotating member is provided with a first connecting portion and a second connecting portion eccentrically arranged relative to the rotation center; and A connecting rod portion, the connecting rod portion comprising a first connecting rod and a second connecting rod, the first connecting rod being rotatably connected to the first connecting portion, and the second connecting rod being rotatably connected to the second connecting portion; Wherein, the first device is connected to one end of the first connecting rod away from the first connecting part, and the second device is connected to one end of the second connecting rod away from the second connecting part, so that when the rotating part is rotated, one of the first device and the second device moves from the initial position to the working position, and the other moves from the working position to the initial position.

2. The dual-device switching assembly according to claim 1, characterized in that: When the rotating member is rotated, the first instrument and the second instrument have different movement strokes when moving from their respective initial positions to their respective working positions.

3. The dual-device switching assembly according to claim 2, characterized in that: The first connecting portion is closer to the rotation center than the second connecting portion; and / or the first connecting rod and the second connecting rod have different lengths.

4. The dual-device switching assembly according to claim 1, characterized in that: The instrument part also has a guide member, and the first instrument and the second instrument are limited by the guide member to move from the initial position to the working position or from the working position to the initial position along a first direction, wherein the first direction is a direction parallel to the rotation center of the rotating member.

5. The dual-device switching assembly according to claim 4, characterized in that: The guide member is provided with a through hole, and at least a portion of the first instrument and at least a portion of the second instrument are inserted through the through hole.

6. The dual-device switching assembly according to claim 1, characterized in that: A plurality of tooth-shaped grooves are arranged on the outer periphery of the rotating member.

7. A medical device, characterized in that: It comprises an outer protective sheath and a dual instrument switching assembly as described in any one of claims 1 to 6, wherein the first instrument and the second instrument are located inside the outer protective sheath when they are in their respective initial positions, and at least partially extend outside the outer protective sheath when the first instrument and the second instrument are in their respective working positions.

8. The medical device according to claim 7, characterized in that: The outer protective sheath is connected with a handle, and the rotating member is connected to the handle through a pin shaft.

9. The medical device according to claim 8, characterized in that: The handle is provided with an accommodating space, and the first connecting rod and the second connecting rod are both arranged in the accommodating space.

10. The medical device according to claim 9, characterized in that: A portion of the rotating member is located in the accommodating space.

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