CN210749537U - Handle structure and positioning structure - Google Patents

Handle structure and positioning structure Download PDF

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Publication number
CN210749537U
CN210749537U CN201921539693.6U CN201921539693U CN210749537U CN 210749537 U CN210749537 U CN 210749537U CN 201921539693 U CN201921539693 U CN 201921539693U CN 210749537 U CN210749537 U CN 210749537U
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China
Prior art keywords
channel
needle
opening
positioning
connector
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Active
Application number
CN201921539693.6U
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Chinese (zh)
Inventor
庄一平
王永刚
江荣华
隆龙
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Nanjing Kangyou Medical Science & Technology Co ltd
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Nanjing Kangyou Medical Science & Technology Co ltd
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Abstract

An embodiment of the utility model provides a handle structure and location structure relates to the medical instrument field. Aims to solve the problem of how to guide the positioning object into the focus position more quickly in the operation. The handle structure comprises a body, wherein the body is provided with a channel for accommodating a positioning object and a first opening; the pushing piece comprises a driving part and a pushing part which are connected, the pushing part is arranged in the channel, and the driving part is used for driving the pushing part to move under the action of external force so as to send the positioning object into the needle sleeve connected with the first connector through the first opening. The handle structure also includes a locator and a wire. The positioning structure comprises a needle sleeve and a handle structure. The beneficial effects include: the pushing piece is connected with the body, only the first connector on the body needs to be in butt joint with one end, outside the focus, of the needle sleeve during operation, the driving part is pushed forcibly by the outside, the positioning object in the channel can be sent into the needle sleeve and sent into the focus position through the needle sleeve, the operation of guiding the positioning object into the focus position is convenient and rapid, and the operation time can be obviously shortened.

Description

Handle structure and positioning structure
Technical Field
The utility model relates to the field of medical equipment, particularly, relate to a handle structure and location structure.
Background
In a thoracoscopic complete lesion excision operation, when a lesion is smaller than 1 cm and is more than 5mm from the surface of a lung, a lump is difficult to identify with a probability of 63% to cause operation failure, so that accurate positioning of the lesion before an operation becomes a key point for success or failure of the operation.
In the existing positioning device, the operation of the guiding process of the positioning object is inconvenient, and the operation time is prolonged.
SUMMERY OF THE UTILITY MODEL
The objects of the present invention include, for example, providing a handle structure that can solve the problem of how to more quickly introduce a locator into a lesion site during surgery.
The utility model discloses a purpose still includes, provides a location structure, and it can solve in the operation how to lead into the problem of focus position with the location thing sooner.
The embodiment of the utility model discloses a can realize like this:
an embodiment of the utility model provides a handle structure, it includes:
the body is provided with a channel for accommodating a positioning object and a first opening communicated with the channel, and the body is also provided with a first joint detachably connected with the needle sleeve;
the pushing piece comprises a driving portion and a pushing portion which are connected, the driving portion is movably connected with the body, the pushing portion is arranged in the channel and used for contacting with a positioning object located in the channel, and the driving portion is used for driving the pushing portion to move under the action of external force so as to send the positioning object located in the channel into the needle sleeve connected with the first connector through the first opening.
Optionally:
the body is provided with a gap which is communicated with the channel and the outside of the body;
the pushing piece further comprises a sliding part connected between the driving part and the pushing part, the sliding part is arranged in the gap in a sliding mode, and the driving part is located outside the body.
Optionally:
the pushing part is rod-shaped and is in clearance fit with the channel.
Optionally:
the first opening is located on the first connector and used for communicating with the needle sleeve when the first connector is fixed with the needle sleeve.
The embodiment of the utility model provides a handle structure for send into the needle cover with the locator, include:
the body is provided with a channel and a first opening communicated with the channel, and the body is also provided with a first connector detachably connected with the needle sleeve;
the positioning object is accommodated in the channel;
the lead is at least partially positioned in the channel, and one end of the lead is connected with the positioning object;
the pushing piece comprises a driving part and a pushing part which are connected, the driving part is movably connected with the body, the pushing part is arranged in the channel and is in contact with a positioning object positioned in the channel, and the driving part is used for driving the pushing part to move under the action of external force so as to send the positioning object positioned in the channel into the needle sleeve connected with the first joint through the first opening.
Optionally:
the first opening is located on the first connector and used for communicating with the needle sleeve when the first connector is fixed with the needle sleeve.
Optionally:
the body is also provided with a second opening communicated with the channel, the first opening and the second opening are respectively positioned at two ends of the body, the first opening is used for enabling a positioning object positioned in the channel to be sent into the needle sleeve, and the guide wire penetrates out of the second opening.
Optionally:
one end of the lead is connected with the positioning object, and the other end of the lead is connected with the pushing part or the body.
The embodiment of the utility model also provides a positioning structure, which comprises a needle sleeve and a handle structure;
the needle hub is provided with a second coupling which is detachably connected to the first coupling.
Optionally:
the positioning structure further comprises a puncture needle, and the puncture needle is movably arranged in the needle sleeve.
The utility model discloses handle structure and location structure's beneficial effect includes, for example:
handle structure, impeller and body link together, the one end of needle cover is located the focus, only need during the operation with the first joint on the body with the needle cover be located the outer one end butt joint of focus, the outside promotes the drive division hard, can drive the activity of promotion portion, will be located the locator of passageway and send into in the needle cover and send into the focus position through the needle cover, the process operation of the leading-in focus position of locator is convenient swift, can show and shorten the operation time, reduces the operation risk.
The positioning structure, the one end of needle cover is located the focus, and the impeller is in the same place with this body coupling, and the first joint on the operation only need be with the butt joint of the one end that the needle cover is located the focus outside, and the outside promotes the drive division hard, can drive the activity of promotion portion, and the location thing that will be located the passageway is sent into in the needle cover and is pushed away to the focus position, and the process of the leading-in focus position of location thing, convenient operation is swift, can show and shorten the operation time, reduces the operation risk.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a positioning structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a puncture needle and a needle sheath provided by the embodiment of the present invention for puncturing the focus;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic view of an internal structure of a handle structure according to an embodiment of the present invention;
fig. 5 is an external structural schematic view of a handle structure provided in an embodiment of the present invention;
fig. 6 is a schematic structural view illustrating a positioning object being guided into a lesion site according to an embodiment of the present invention.
Icon: a 001-positioning structure; 100-needle sleeve; 110-a second joint; 200-puncture needle; 300-handle structure; 301-a body; 310-channel; 311-a first opening; 312 — a second opening; 320-a first joint; 321-a pair of interfaces; 322-internal thread section; 330-notch; 302-a pusher member; 340-a drive section; 350-a sliding part; 360-a pushing part; 303-a locator; 304-conductive lines.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The embodiment of the utility model provides a location structure 001 is used for carrying out accurate location to the focus position before the art at least.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of a positioning structure 001 according to an embodiment of the present invention; fig. 2 is a schematic structural view of a focal puncture position of the puncture needle 200 and the needle sheath 100 according to the embodiment of the present invention; fig. 3 is a partially enlarged view of a in fig. 2. The positioning structure 001 provided by the embodiment of the utility model comprises a needle sleeve 100 and a handle structure 300; the handle structure 300 is provided with a first connector 320 and the needle hub 100 is provided with a second connector 110 detachably connected to the first connector 320. Optionally: referring to fig. 3, the positioning structure 001 further comprises a puncture needle 200, and the puncture needle 200 is movably disposed in the needle sheath 100. Optionally: with the prior art biopsy needle, the biopsy needle includes a puncture needle 200 and a needle hub 100. Correspondingly, the second connector 110 is a luer connector on the needle hub 100 of the biopsy needle, and the first connector 320 is a structure capable of being detachably connected with the luer connector.
Embodiments of the present invention provide a handle structure 300 for at least delivering a retainer 303, which is connected to a guide wire 304, into a needle sheath 100 and to a lesion site.
Referring to fig. 4, fig. 4 is a schematic view of an internal structure of a handle structure 300 according to an embodiment of the present invention. An embodiment of the utility model provides a handle structure 300, it includes: a body 301, the body 301 having a channel 310 for receiving the retainer 303 and a first opening 311 in communication with the channel 310, the body 301 further having a first connector 320 for detachably connecting with the needle guard 100; the pushing member 302, the pushing member 302 includes a driving portion 340 and a pushing portion 360 connected to each other, the driving portion 340 is movably connected to the body 301, the pushing portion 360 is disposed in the channel 310 and is used for contacting the retainer 303 located in the channel 310, and the driving portion 340 is used for driving the pushing portion 360 to move under an external force, so as to send the retainer 303 located in the channel 310 into the needle sheath 100 connected to the first connector 320 through the first opening 311.
With continued reference to fig. 4, embodiments of the present invention also provide a handle structure 300 for delivering a retainer 303 into the needle sheath 100 and through the needle sheath 100 into a lesion site, comprising: a body 301, the body 301 having a passage 310 and a first opening 311 in communication with the passage 310, the body 301 further having a first connector 320 for detachably connecting with the needle guard 100; the positioning object 303, the positioning object 303 is accommodated in the channel 310; a wire 304, at least part of the wire 304 is positioned in the channel 310, and one end of the wire 304 is connected with the positioning object 303; the pushing member 302, the pushing member 302 includes a driving portion 340 and a pushing portion 360 connected to each other, the driving portion 340 is movably connected to the body 301, the pushing portion 360 is disposed in the channel 310 and contacts with the retainer 303 located in the channel 310, and the driving portion 340 is configured to drive the pushing portion 360 to move under an external force, so as to send the retainer 303 located in the channel 310 into the needle sheath 100 connected to the first connector 320 through the first opening 311.
Combine fig. 1, fig. 2, fig. 3 and fig. 4. The puncture needle 200 sleeved with the needle sleeve 100 is inserted into the central position of the focus of a patient under the guidance of medical images such as ultrasound, CT (computed tomography) and the like; withdrawing the puncture needle 200, wherein only one end of the needle sheath 100 is left in the patient; then the first connector 320 on the body 301 is abutted with the second connector 110 of the needle sleeve 100, the pushing piece 302 is connected with the body 301, the driving part 340 is pushed by external force, the driving part 340 drives the pushing part 360 to move, the positioning object 303 in the channel 310 is sent into the needle sleeve 100 through the first opening 311 and is pushed out of the needle sleeve 100, and the positioning object 303 enters the central position of a focus. One end of the guide wire 304 is connected with the positioning object 303, the positioning object 303 and the guide wire 304 are both positioned in the focus position, and the other end of the guide wire 304 is positioned outside the body of the patient, so that the focus position can be conveniently found under the guidance of the guide wire 304.
With continued reference to fig. 4, the number of the first openings 311 is at least one, at least for pushing the retainer 303 disposed in the channel 310 from the first opening 311 into the needle guard 100 and through the needle guard 100 into the lesion site when the pushing portion 360 is activated.
One end of the guide wire 304 is connected with the positioning member 303, and the other end is located outside the patient only after the positioning member 303 is guided into the lesion site and the needle sheath 100 is withdrawn out of the lesion site. For example, one end of the wire 304 is connected to the positioning member 303, and the other end of the wire 304 may be disposed outside the body 301, or may be connected to the pushing portion 360 or to the body 301 (the body 301 includes a channel inner wall and a body outer wall, and thus, the other end of the wire 304 may pass through the channel 310 to the outside and then be connected to the body 301 outer wall, or may be directly connected to the channel 310 inner wall).
Optionally: one end of the wire 304 is connected to the positioning member 303, and the other end of the wire 304 is connected to the pushing portion 360 or the body 301. When the needle sleeve is used specifically, after the positioning object 303 is pushed into a focus position, the first connector 320 and the second connector 110 are disassembled, the guide wire 304 is cut off, the needle sleeve 100 is pulled out, and after the completion, one end of the guide wire 304 is placed in the focus position along with the positioning object 303, and the other end of the guide wire is positioned outside a patient body.
Optionally: with continued reference to fig. 4, the body 301 further has a second opening 312 in communication with the channel 310, a first opening 311 and a second opening 312 are respectively located at both ends of the body 301, the first opening 311 is used for feeding the retainer 303 located in the channel 310 into the needle sheath 100, and the second opening 312 is used for leading out the conducting wire 304 connected with the retainer 303. The end of the guide wire 304 which is not connected with the positioning object 303 passes through the channel 310 and penetrates out of the second opening 312, the first connector 320 and the second connector 110 are disassembled, the body 301 is drawn out of the guide wire 304, and the end of the guide wire 304 which is not connected with the positioning object 303 is positioned outside the body of the patient, so that the lesion position can be conveniently found.
Optionally: with continued reference to fig. 4, the first opening 311 is located on the first connector 320, and the first opening 311 is used for communicating the first opening 311 with the needle sheath 100 when the first connector 320 is fixed with the needle sheath 100. Alternatively, the positions of the first connector 320 and the first opening 311 may be different, so that the first opening 311 is communicated with the needle sheath 100 after the first connector 320 is connected with the second connector 110. For example, the first joint 320 is a butt joint structure sleeved outside the body 301, and the second joint 110 is sleeved outside the body 301 and detachably connected to the first joint 320.
Alternatively, referring to fig. 4 in conjunction with fig. 1, with the biopsy needle, the first connector 320 has a docking port 321 that is mated with the luer connector in a docking manner, and an internal thread section 322 formed on an inner wall of the docking port 321. Optionally: the interface 321 is a ring-shaped structure disposed around the periphery of the first opening 311. Optionally: the interface 321 is a tapered structure, which can enhance the sealing performance between the luer connector and the first connector 320.
Optionally: with continued reference to fig. 4, in conjunction with fig. 5, fig. 5 is a schematic external structural diagram of a handle structure 300 according to an embodiment of the present invention. The body 301 is provided with a gap 330, and the gap 330 is communicated with the channel 310 and the outside of the body 301; the pushing member 302 further comprises a sliding portion 350 connected between the driving portion 340 and the pushing portion 360, the sliding portion 350 is slidably disposed in the notch 330, and the driving portion 340 is located outside the body 301. Optionally, the extending direction of the notch 330 is the same as the extending direction of the channel 310, and the driving portion 340 drives the pushing portion 360 to reciprocate in the channel 310 through the sliding portion 350. Optionally, the outer surface of the driving portion 340 is provided with a friction texture, which helps to increase the friction between the driving portion 340 and the palm of the operator, so as to facilitate the external application of force. Optionally: the pushing portion 360 is rod-shaped, and the pushing portion 360 is in clearance fit with the channel 310. The outer diameter of the pushing portion 360 is close to the inner diameter of the channel 310, so that the positioner 303 can be pushed to move easily.
Optionally, with continued reference to fig. 5, the outer wall of the body 301 is an arc surface to better fit with the palm, and the operation is more convenient. Optionally, the diameter of the two ends of the body 301 is small, the diameter of the middle part of the body is large, and the cambered surfaces are distributed in a streamline shape. Optionally, a plurality of spaces are arranged in the body 301, so that the overall weight of the body 301 can be at least reduced, and the operation with one hand is easier in the operation.
Optionally, referring to fig. 6, fig. 6 is a schematic structural view illustrating that the positioning object 303 is introduced into the lesion position according to an embodiment of the present invention, and in combination with fig. 4, the positioning object 303 is a spring ring, and an extending direction of the spring ring disposed in the channel 310 is the same as an extending direction of the channel 310. The spring ring is in a ring-shaped structure in a natural state, the spring ring arranged in the channel 310 is in a strip shape, and the spring ring after being pushed out of the channel 310 to enter a focus position is restored to the ring-shaped structure in the natural state.
The embodiment of the utility model provides a handle structure 300 and location structure 001 refer to fig. 4, for example, spring coil line footpath 0.1mm is made by medical metal material nickel titanium alloy, through the thermal treatment back, has higher intensity and better toughness, is the heliciform under the free state, and 3 rings of spring coil are the extension state before the use and preset in passageway 310, spring coil external diameter 1.2mm when extending the state, length 11 mm. For example, the guide wire 304 is made of catgut with a diameter of 0.5mm and a length of more than 150 mm. For example, the passageway 310 may be a metal tube made of stainless steel, a medical grade metal material, with an inner diameter of 1.3mm, and the coil may easily pass through the passageway 310 in a straightened state, and the length of the passageway 310 may be greater than the length of the coil in a straightened state, such as 40 mm. For example, the body 301 is assembled by injection molding, hot melting, and gluing, the body 301 is made of medical plastic such as polypropylene (PP) and Polyethylene (PE), and the front portion thereof is designed with a tapered interface 321 and an internal thread section 322. For example, the pushing portion 360 is made of stainless steel, which is a medical metal material, the main wire diameter is smaller than the inner diameter of the channel 310, such as 0.8mm, the driving portion 340 is made of stainless steel, and the driving portion 340, the sliding portion 350 and the pushing portion 360 are welded together.
In summary, with reference to fig. 1 to 6, the embodiment of the present invention provides a handle structure 300 and a positioning structure 001, which are specific to clinical operation processes, for example: under the guidance of medical images such as ultrasound, CT (computed tomography), and the like, the puncture needle 200 with the needle guard 100 is inserted to the central position of the focus of a patient; withdrawing the puncture needle 200, wherein only one end of the needle sheath 100 is left in the patient; the butt-joint port 321 and the internal thread section 322 of the handle structure 300 are butt-jointed and screwed with a luer connector at the tail end of the needle sleeve 100; the clinician pushes the drive portion 340 forward, thereby delivering the coil disposed in the channel 310 into the needle hub 100; the driving part 340 is continuously pushed forwards slowly, and the spring ring in the extension state in the needle sleeve 100 is completely pushed out of the needle sleeve 100; the spring ring is naturally curled into a spiral shape after being pushed out of the needle sleeve 100, at the moment, the spiral spring ring is embedded into the central position of a focus, and the other end of the lead 304 tied together with the spiral spring ring is positioned outside the body of a patient; the needle sleeve 100 is pulled out of the patient body and is ready for operation, and the focus position can be conveniently found under the guidance of the guide wire 304.
The embodiment of the utility model provides a handle structure 300 and location structure 001 has following advantage at least: the body 301, the pushing piece 302, the positioning object 303 and the lead 304 can be integrally designed, the operation of sending the positioning object 303 into the needle sleeve 100 can be completed by one hand in the operation, the operation time can be obviously shortened, and the operation risk can be reduced. After the positioning object 303 is placed into the focus, the positioning object 303 is positioned along the guide line 304, so that the risk of misjudgment is avoided, the accuracy is high, the operation time is short, and the success rate of the operation is high. The biopsy needle is adopted, so that the positioning of focuses at different depths and different positions can be met. After the biopsy needle is punctured to a focus position, the puncture needle 200 is drawn out, the handle structure 300 is fixed with the needle sleeve 100, the positioning object 303 can be pushed into the focus position, tissue extraction can be completed by single needle insertion, the positioning object 303 is placed, and the like, so that the infection risk is reduced.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A handle structure for delivering a retainer to a needle sheath, comprising:
the needle sleeve comprises a body, a first connecting piece and a second connecting piece, wherein the body is provided with a channel for accommodating the positioning object and a first opening communicated with the channel, and the body is also provided with a first connector for detachably connecting with the needle sleeve;
the pushing part is arranged in the channel and used for contacting the positioning object in the channel, and the driving part is used for driving the pushing part to move under the action of external force so as to send the positioning object in the channel into the needle sleeve connected with the first connector through the first opening.
2. The handle structure of claim 1, wherein:
the body is provided with a gap which is communicated with the channel and the outside of the body;
the pushing piece further comprises a sliding part connected between the driving part and the pushing part, the sliding part is arranged in the gap in a sliding mode, and the driving part is located on the outer portion of the body.
3. The handle structure of claim 1, wherein:
the pushing part is rod-shaped and is in clearance fit with the channel.
4. The handle structure of claim 1, wherein:
the first opening is located on the first connector and used for communicating with the needle guard when the first connector is fixed with the needle guard.
5. A handle structure for delivering a retainer to a needle sheath, comprising:
a body having a passageway and a first opening in communication with the passageway, the body further having a first adapter for removably connecting with the needle hub;
the positioning object is accommodated in the channel;
a wire, at least part of the wire being located within the channel, one end of the wire being connected to the locator;
the pushing part is arranged in the channel and is in contact with the positioning object positioned in the channel, and the driving part is used for driving the pushing part to move under the action of external force so as to send the positioning object positioned in the channel into the needle sleeve connected with the first connector through the first opening.
6. The handle structure of claim 5, wherein:
the first opening is located on the first connector and used for communicating with the needle guard when the first connector is fixed with the needle guard.
7. The handle structure of claim 6, wherein:
the body is further provided with a second opening communicated with the channel, the first opening and the second opening are respectively located at two ends of the body, the first opening is used for enabling the positioning objects located in the channel to be sent into the needle sleeve, and the guide wire penetrates out of the second opening.
8. The handle structure of claim 5, wherein:
one end of the lead is connected with the positioning object, and the other end of the lead is connected with the pushing part or the body.
9. A positioning structure, characterized in that:
the positioning structure comprises a needle sleeve and the handle structure of any one of claims 1-8;
the needle hub is provided with a second coupling detachably connected to the first coupling.
10. The positioning structure according to claim 9, wherein:
the positioning structure further comprises a puncture needle, and the puncture needle is movably arranged in the needle sleeve.
CN201921539693.6U 2019-09-16 2019-09-16 Handle structure and positioning structure Active CN210749537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921539693.6U CN210749537U (en) 2019-09-16 2019-09-16 Handle structure and positioning structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921539693.6U CN210749537U (en) 2019-09-16 2019-09-16 Handle structure and positioning structure

Publications (1)

Publication Number Publication Date
CN210749537U true CN210749537U (en) 2020-06-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921539693.6U Active CN210749537U (en) 2019-09-16 2019-09-16 Handle structure and positioning structure

Country Status (1)

Country Link
CN (1) CN210749537U (en)

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