Valve loader in bronchus

Abstract

The utility model relates to the technical field of medical instruments, in particular to an intrabronchial valve loader. The valve loader in the bronchus comprises a top cap (1), a loading sleeve (2) and a loading push rod (3), and the loading sleeve (2) is provided with an internal channel (21) used for placing a valve in the bronchus. The loader provided by the utility model not only solves the problem of loading the bronchial valve into the bronchial valve conveying device, but also realizes automatic folding of the valve in the loading process.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a tracheal valve loader. BACKGROUND

[0002] Tracheal valve implantation has been widely used in the treatment of lung diseases, and the tracheal valve needs to be implanted into the lung through instrument cooperation in the operation process, CN115531038A the embodiment of the application discloses a one-way valve for trachea, CN220898889U, provides a tracheal valve delivery device, solves the problem that different specifications of tracheal valves cannot share one set of delivery device. How to effectively load CN115531038A tracheal valve or similar tracheal valve into CN220898889U tracheal valve delivery device is very important in actual clinical operation.

[0003] CN117281653A discloses a tracheal valve loader for loading a stent-shaped tracheal valve into a delivery device, which cannot fold and load the full silica gel valve described in CN115531038A. Therefore, a new product is needed to solve the problem of loading silica gel tracheal valve into tracheal valve delivery device and realize automatic folding of the valve during loading. UTILITY MODEL CONTENT

[0004] In view of the above technical status, the utility model provides a tracheal valve loader for loading a tracheal valve into a tracheal valve delivery device.

[0005] The tracheal valve loader comprises a top cap, a loading sleeve and a loading push rod, the loading sleeve is provided with an internal passage for placing the tracheal valve.

[0006] In the utility model, as one of the implementation manners, the top cap is a cap-shaped structure provided with a notch, the inner wall of which is provided with a thread, the notch extends inwardly to the center of the top cap, and the notch is set to a size suitable for the passage of the delivery device catheter.

[0007] In the utility model, as one of the implementation manners, the loading sleeve is a hollow cylindrical structure, the outer wall of the front end of which is provided with a thread connected with the top cap, and the rear end of the loading sleeve is provided with a handle for controlling the rotation of the loading sleeve.

[0008] In the utility model, as one of the implementation manners, the connection mode of the top cap and the loading sleeve is threaded connection or buckle connection.

[0009] In the utility model, as one of the implementation manners, the gap exists between the loading sleeve and the top cap, and the gap is used for storing the bronchial valve and installing the loading sleeve of the conveying device.

[0010] In the utility model, as one of the implementation manners, the inner rib is arranged in the loading sleeve, the inner rib is triangular and protrudes from the inner wall of the loading sleeve, and is used for realizing automatic folding in the pushing process of the bronchial valve.

[0011] In the utility model, as one of the implementation manners, the internal passage penetrates the whole loading sleeve, the internal passage is composed of a plane and a conical surface, the plane is used for placing the bronchial valve, and the conical surface is used for loading the valve into the sleeve of the conveying device.

[0012] In the utility model, the conical surface is a long and narrow passage, the diameter of the rear end of the whole conical surface is greater than the diameter of the front end, and the conical surface is integrally connected with the plane.

[0013] In the utility model, as one of the implementation manners, the loading push rod is provided with an outer surface matched with the inner wall of the loading sleeve and a groove, the groove penetrates the whole loading push rod and extends inwardly to the center of the loading push rod, the groove is arranged to be suitable for the size of the inner rib, the loading push rod passes the inner rib along the groove through the passage of the loading sleeve, and is pushed to the front end of the loading sleeve to realize folding of the bronchial valve.

[0014] In the utility model, as one of the implementation manners, the top cap loading sleeve and the loading push rod are made of metal materials or high polymer, preferably, the metal material is stainless steel or cobalt-chromium alloy, and preferably, the high polymer is ABS, PC or Pebax.

[0015] The utility model provides a kind of loading method of bronchial valve, the method uses the bronchial valve loader described above to install bronchial valve into the sleeve of conveying device, in the loading process, folding of bronchial valve is realized by pushing loading push rod to move along internal passage.

[0016] The utility model can realize the following beneficial effects:

[0017] 1. The inner rib design of the internal passage of the loading sleeve can realize automatic folding of valve in the loading process.

[0018] 2. The variable-diameter passage in the loading sleeve compresses bronchial valve to specified diameter.

[0019] 3. The aperture of top cap and threaded connection design can compact loading sleeve and loading sleeve by conveying catheter of conveying device.

[0020] 4. The outer surface groove design of the loading push rod can avoid the inner rib of the loading sleeve and complete the loading of the bronchial valve. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The loading sleeve is shown in the perspective view and the internal structure schematic view.

[0022] Figure 2 The loading push rod is shown in the perspective structure schematic view.

[0023] Figure 3 The bronchial valve in the prior art is shown in the perspective structure schematic view.

[0024] Figure 4 The bronchial valve delivery device in the prior art is shown in the structure schematic view.

[0025] Figure 5 The folded valve loaded into the loading sleeve of the delivery device is shown in the external perspective view and the internal perspective view.

[0026] Figure 6 The folded valve loaded into the loading sleeve of the delivery device is shown in the cross-sectional schematic view.

[0027] Figure 7 The top cap structure is shown in the perspective schematic view.

[0028] Figure 8 The bronchial valve loader is shown in the perspective structure schematic view.

[0029] Figure 9 The bronchial valve loader is shown in the structure schematic view and the top view.

[0030] Reference signs: 1 top cap; 11 notch; 2 loading sleeve; 21 internal passage; 22 handle; 23 inner rib; 24 plane; 25 conical surface; 3 loading push rod; 31 groove; 4 loading sleeve. DETAILED DESCRIPTION

[0031] The following examples are used to further illustrate the present application, but do not limit the effective range of the present application in any way.

[0032] In the specific embodiment, the "front end" of the utility model is the end far from the operator when the operator holds the handle part during the operation process, the "rear end" and "bottom end" are the ends close to the operator when the operator holds the handle part during the operation process, the "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle" and the like indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, these terms are mainly used for better describing the utility model and its embodiments, and are not used for limiting the indicated device and do not constitute the limitation of the utility model.

[0033] In addition, the "setting", "provided with", "connection", "connected" and the like of the utility model should be understood in a broad sense, can be fixed connection or non-fixed connection, can be mechanical connection or other any mode of connection, can be direct connection or indirect connection through a medium, and the connection mode commonly used by the person skilled in the art is within the protection scope of the utility model.

[0034] The material used in the device in the utility model is only an exemplary description, and does not mean that the device can only be made of the material.

[0035] As shown in the accompanying drawings, Figure 8 As one of the embodiments, the bronchus inner valve loader overall appearance view is shown. As one of the embodiments, the bronchus inner valve loader mainly comprises a top cap 1, a loading sleeve 2 and a loading push rod 3.

[0036] As one of the embodiments, the top cap 1 is a cap-shaped structure provided with a notch 11, the inner wall of the top cap 1 is provided with a thread, the notch extends inwardly to the center of the top cap 1, the notch 11 is provided with a size suitable for the catheter of the delivery device to pass through, and the thread provided inside is used to connect the loading sleeve 2.

[0037] The loading sleeve 2 is a hollow cylindrical structure, the outer wall of the front end of the loading sleeve 2 is provided with a thread, and the loading sleeve 2 is connected with the top cap 1 through the thread, a handle 22 is arranged at the rear end of the loading sleeve 2, and the handle 22 is used to control the rotation of the loading sleeve. A triangular inner rib 23 is arranged inside the loading sleeve 2, and the triangular inner rib 23 is used to realize automatic folding during the pushing process of the bronchus inner valve. The inner rib can be provided with any shape of protruding structure according to actual needs, including but not limited to a triangular shape, a round protruding type, a pointed end, a rectangular shape and the like, and as one of the embodiments, the triangular inner rib is preferred.

[0038] As one of the embodiments, as shown in the accompanying drawings, Figure 1The loading sleeve 2 is provided with an internal channel 21 which penetrates through the whole loading sleeve, the internal channel 21 is composed of a plane 24 and a conical surface 25, the plane 24 is used to place the bronchial valve, and the conical surface 25 is used to load the valve into a smaller size delivery catheter sleeve, the plane 24 and the conical surface 25 cannot be simply understood as a plane, in the utility model, the plane 24 is a cylindrical channel, the conical surface 25 is a long and narrow conical cylindrical structure, the diameter of the rear end of the conical surface 25 is larger than the diameter of the front end, so that the bronchial valve can be folded when the push rod moves to the front end during the loading process, based on the feature that the diameter of the conical surface inside the internal channel 21 gradually decreases.

[0039] The plane 24 and the conical surface 25 can be integrally connected, and it is expected that the plane 24 and the conical surface 25 can be directly made into an integrated structure without intentionally distinguishing the plane and the conical surface, and such a structure is also within the protection scope of the utility model.

[0040] As shown in the figure, Figure 2 The loading push rod 3 is provided with an outer surface matched with the inner wall of the loading sleeve 2 and a groove 31 passing through the internal rib of the channel of the loading sleeve 2, so that the loading push rod 3 can smoothly pass through the internal channel of the loading sleeve 2, the top cap 1 is threadedly connected with the loading sleeve 2, and finally the loading push rod 3 is installed into the middle channel of the loading sleeve 2 to complete the assembly.

[0041] In the utility model, as one of the implementation schemes, the whole set of instruments includes but is not limited to all metal materials such as stainless steel or cobalt-chromium alloy, or uses high polymer polymers such as ABS, PC, Pebax, etc.

[0042] As shown in the figure, Figures 3-6 The bronchial valve is made of full silica gel and is approximately cylindrical, and the bronchial valve delivery device needs to enter the bronchus which is suitable for the same specification bronchial valve, so the diameter size of the loading sleeve of the bronchial valve delivery device needs to be smaller than the diameter size of the bronchial valve, therefore, in order to load the bronchial valve into the bronchial delivery device of the same specification, the bronchial valve needs to be placed into the plane end of the channel of the loading sleeve 2 first, then the top cap 1 is unscrewed, the loading sleeve 4 of the delivery device is installed into the loading sleeve 2 of the loader, then the top cap 1 is installed, the loading sleeve and the loading sleeve are compacted by thread connection, and finally the loading push rod 3 is inserted, during the insertion process, the valve is automatically folded into a U shape due to the internal rib of the loading sleeve 2, the folded valve is loaded into the loading sleeve of the delivery device through the channel inside the loader. The loading of the bronchial valve is completed.

Claims

1. A bronchial end-valve loader characterized by, The device comprises a top cap (1), a loading sleeve (2) and a loading push rod (3). The loading sleeve (2) is provided with an internal channel (21) for placing a bronchial valve. The loading push rod (3) is provided with an outer surface and a groove (31) matching the inner wall of the loading sleeve (2). The groove (31) extends through the entire loading push rod and extends inwardly to the center of the loading push rod. The groove is sized to allow the inner rib (23) to pass through. The loading push rod (3) pushes the inner rib along the groove through the channel of the loading sleeve (2) to the front end of the loading sleeve (2) to achieve the folding of the bronchial valve.

2. The endobronchial valve loader of claim 1, wherein, The top cap (1) is a cap-shaped structure provided with a notch (11). The inner wall of the top cap (1) is provided with threads. The notch extends inwardly to the center of the top cap (1). The notch (11) is sized to allow the catheter of the delivery device to pass through.

3. The endobronchial valve loader of claim 1, wherein, The loading sleeve (2) is a hollow cylindrical structure. The outer wall of the front end of the loading sleeve (2) is provided with threads for connecting with the top cap (1). The rear end of the loading sleeve (2) is provided with a handle (22) for controlling the screwing in and out of the loading sleeve.

4. The endobronchial valve loader of claim 1, wherein, The connection between the top cap (1) and the loading sleeve (2) is a threaded connection or a buckle type connection.

5. The endobronchial valve loader of claim 1, wherein, There is a gap between the loading sleeve (2) and the top cap (1). The gap is used to store the bronchial valve and install the loading sleeve (4) of the delivery device.

6. The endobronchial valve loader of claim 1, wherein, The loading sleeve (2) is provided with an inner rib (23). The inner rib is triangular and protrudes from the inner wall of the loading sleeve (2) to achieve automatic folding during the pushing of the bronchial valve.

7. The endobronchial valve loader of claim 1, wherein, The internal channel (21) extends through the entire loading sleeve (2). The internal channel is composed of a flat surface (24) and a conical surface (25). The flat surface (24) is used to place the bronchial valve. The conical surface (25) is used to load the valve into the delivery loading sleeve (4).

8. The endobronchial valve loader of claim 7, wherein, The conical surface (25) is a narrow channel. The diameter of the rear end of the entire conical surface is larger than the diameter of the front end. The conical surface (25) is integrally connected with the flat surface (24).

9. The endobronchial valve loader of claim 1, wherein, The top cap (1), the loading sleeve (2) and the loading push rod (3) are made of metal materials or high polymer polymers.

10. The endobronchial valve loader of claim 9, wherein, The metal material is stainless steel or cobalt-chromium alloy. The high polymer polymer is ABS, PC or Pebax.

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