Bronchial end-valve loader

Abstract

The application discloses a bronchus valve loader, which comprises a base, a funnel barrel and a sleeve, the sleeve is sleeved at the front end of the base, the funnel barrel is arranged at the middle position of the base, a bracket funnel is arranged at the rear end of the funnel barrel, a valve placing cavity is arranged at the center of the funnel barrel, the valve placing cavity penetrates through the front and rear of the funnel barrel, the valve placing cavity is communicated with the bracket funnel, the bracket funnel is used for placing the bronchus valve in the initial state, and the bracket funnel is funnel-shaped. The application has the advantages that the bronchus valve is shrunk and pulled into the long and narrow placing cavity through the sleeve pulling, the front end of the catheter is fixed in the catheter placing groove, the bronchus valve is pushed into the front end of the catheter by using the push rod, the loading can be realized, the whole process does not need to touch the loading by using hands or other tools, the operation is convenient, too many processes are avoided, the cleanness of the bronchus valve is ensured, and the operation is smoothly performed.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical devices, in particular to a bronchial valve loader. BACKGROUND

[0002] Bronchial valve implantation plays an important role in the treatment of lung diseases due to its wide indications, especially in endoscopic lung volume reduction surgery for severe emphysema patients. The principle of bronchial valve implantation lung volume reduction surgery is to implant the valve into the corresponding airway to block the inspiratory airflow while allowing the expiratory airflow to flow out. During the operation, the bronchial valve needs to be implanted into the lung through the cooperation of the instrument, usually a delivery catheter. However, due to the small end of the delivery tube, loading is required before delivery. In the prior art, the doctor needs to complete it through tools, which is relatively inconvenient, and there is a risk of contamination of the valve during operation. There is a lack of a clean loader that is convenient to operate and clean throughout the process. SUMMARY

[0003] The technical problem to be solved by the present application is how to conveniently and quickly load the bronchial valve into the delivery catheter without manual contact. In view of the above technical problems to be solved, the present application proposes a bronchial valve loader.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a bronchial valve loader, comprising a base, a funnel barrel and a sleeve, the sleeve is sleeved on the front end of the base, the funnel barrel is arranged at the middle position of the base, the rear end of the funnel barrel is provided with a bracket funnel, the center of the funnel barrel is provided with a valve placement cavity, the valve placement cavity penetrates the front and rear of the funnel barrel, the valve placement cavity is communicated with the bracket funnel, the bracket funnel is used for placing the bronchial valve in the initial state, the bracket funnel is in the shape of a funnel, the inside of the sleeve is connected with the valve placed in the valve placement cavity and the base through a traction device respectively.

[0005] Further, the funnel barrel is transparent.

[0006] Further, the base comprises a funnel barrel mounting groove at the rear end and a sleeve mounting seat at the front end, the funnel barrel mounting groove is in the shape of a groove, and the funnel barrel is fixed in the funnel barrel mounting groove.

[0007] Further, a fixed spring is arranged in the funnel barrel, and the two ends of the fixed spring abut against the end of the funnel barrel and the funnel barrel mounting groove respectively.

[0008] Further, the sleeve mounting seat is in the shape of a semi-cylinder, the upper surface of the sleeve mounting seat is provided with a sleeve mounting sliding groove and a catheter placement groove, the catheter placement groove is arranged at the center of the upper surface of the sleeve mounting seat, and the inner end of the catheter placement groove is opposite to the outer end of the valve placement cavity.

[0009] Further, the outer end of the valve placement cavity is funnel-shaped.

[0010] Further, a scale mark is arranged above the funnel barrel.

[0011] Further, the sleeve is limited on the base by a sleeve safety lock wire, the sleeve safety lock wire passes through the through hole of the sleeve and the through hole of the base, one side of the sleeve is provided with a valve pull wire, the valve pull wire passes in front of the valve placed in the valve placement cavity.

[0012] Further, a sleeve inner sliding groove is arranged inside the upper end of the sleeve, and the sleeve inner sliding groove is slidingly connected with the sleeve mounting sliding groove.

[0013] Further, a push rod is arranged on the side of the base, the push rod is fixed on the side of the base by a push rod fixing frame, the push rod comprises a handle and a long rod, the handle and the long rod are integrally formed, the long rod can be inserted into the valve placement cavity to push the valve, and a through hole is arranged at the rear end of the base for the long rod to pass through.

[0014] Compared with the prior art, the beneficial effects of the present application are:

[0015] The present application separates the sleeve and the funnel barrel fixed on the base, places the bronchus valve in the funnel-shaped support funnel of the funnel barrel, pulls the bronchus valve to shrink and pull into the narrow placement cavity by the sleeve, fixes the catheter front end in the catheter placement groove, and pushes the bronchus valve into the catheter front end by the push rod to realize loading, the whole process does not need to touch the loading by hand or other tools, is convenient to operate, avoids too many processes, ensures the cleanliness of the bronchus valve, and is beneficial to the smooth operation of the surgery. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the present application;

[0017] Figure 2 is a top view of the bronchus valve loader in the present application;

[0018] Figure 3 is a perspective view of the present application; Figure 2 is a sectional view of A-A in the present application;

[0019] Figure 4 is a side view of the bronchus valve loader in the present application;

[0020] Figure 5 is a sectional view of C-C in the present application. Figure 4 DETAILED DESCRIPTION

[0021] ​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0022] As Figures 1-5 shown, the specific embodiment discloses an endobronchial valve loader, which comprises a base 1, a funnel cylinder part 3 and a sleeve 5, the sleeve 5 is sleeved on the front end of the base 1, and the sleeve 5 is connected with the base 1 in a sliding manner, that is, the sleeve 5 can slide on the base 1 and be separated. The overall shape of the loader can be an elliptical cylinder. The base 1, the funnel cylinder part 3 and the sleeve 5 are integrally injection molded, and the materials used are materials meeting the requirements of medical supplies.

[0023] Specifically, the funnel cylinder part 3 is arranged at the middle position of the base 1, the rear end of the funnel cylinder part 3 is provided with a bracket funnel 31, and the center of the funnel cylinder part 3 is provided with a valve placement cavity 32. Specifically, the funnel cylinder part 3 is a long block-like structure, the rear end is a funnel-shaped opening, the center is a long through hole, and the other end is also provided with a funnel opening.

[0024] The valve placement cavity 32 penetrates the front and rear of the funnel cylinder part 3, the valve placement cavity 32 is communicated with the bracket funnel 31, the bracket funnel 31 is used for placing an endobronchial valve in an initial state, the bracket funnel 31 is in a funnel shape, and the product is placed in the bracket funnel 31 before being sold, and when used, the bracket funnel 31 is pulled by the sleeve 5, and the inner wall of the funnel-shaped bracket funnel 31 is contracted to be pulled into the valve placement cavity 32 to be pushed and loaded. Specifically, the inside of the sleeve 5 is connected with the valve placed in the valve placement cavity 32 and the base 1 through a traction device. That is, the valve bracket is pulled by a detachable traction tool, and the sleeve 5 is fixed to prevent falling off.

[0025] As a preferred, the funnel cylinder part 3 is transparent, so that the inside valve can be seen to facilitate the doctor to check and determine the state and position of the valve before the operation. In addition, in order to ensure that the bracket can be sealed and placed during transportation, the base 1 is further provided with a rear upper cover 2. In order not to affect the doctor to check the bracket, the upper cover 2 is connected above the rear end of the base in a detachable manner, for example, is clamped on the sleeve 5 or the base 1 by a buckle connection.

[0026] In addition, the base 1 comprises a funnel cylinder installation groove 11 at the rear end and a sleeve installation seat 12 at the front end, the funnel cylinder installation groove 11 is in the form of a groove, and the funnel cylinder part 3 is fixed in the funnel cylinder installation groove 11. Specifically, it can be fixed by spring pressing, which is convenient for fixing after the valve is loaded, and convenient for operation. A fixing spring 13 is arranged in the funnel cylinder part 3, and the two ends of the fixing spring 13 abut against the funnel cylinder part 3 and the end of the funnel cylinder installation groove 11 respectively.

[0027] Specifically, the sleeve installation seat 12 is in the form of a semi-cylinder, and a sleeve installation sliding groove 121 and a catheter placement groove 122 are arranged on the upper surface of the sleeve installation seat 12. The catheter placement groove 122 is arranged at the center of the upper surface of the sleeve installation seat 12, and the inner end of the catheter placement groove 122 is opposite to the outer end of the valve placement cavity 32. The catheter placement groove 122 is used for placing the front end of a catheter used for conveying the valve stent. In order to facilitate fixing, a mounting clamping groove can also be arranged near the funnel cylinder part 3, so as to clamp the front end of the catheter, thereby facilitating the stent to be sent into the catheter. As a preferred mode, the outer end of the valve placement cavity 32 is in the form of a funnel, thereby facilitating the placement and alignment of the catheter. When loading, the front end of the catheter is placed in the funnel. The sleeve installation sliding groove 121 is used for installing the sleeve 5, which can adopt a strip-shaped sliding groove, and the outer end is open, thereby facilitating the sleeve 5 to be separated. The upper end of the sleeve 5 is internally provided with a sleeve inner sliding groove 53, and the sleeve inner sliding groove 53 is in sliding connection with the sleeve installation sliding groove 121.

[0028] In order to facilitate the positioning during inspection and installation, a scale mark 33 is arranged above the funnel cylinder part 3.

[0029] In addition, the sleeve 5 is limited on the base 1 by a sleeve safety lock wire 51, the sleeve safety lock wire 51 passes through the through hole of the sleeve 5 and the through hole on the base 1, one side of the sleeve 5 is provided with a valve pulling wire 52, and the valve pulling wire 52 passes through the front end of the valve placed in the valve placement cavity 32. Specifically, two closed-loop wires are connected to the sleeve 5 and the stent, and the stent can be pulled to the predetermined position by pulling the sleeve 5. At the same time, the other wire passes through the through hole on the base 1, and the limiting wire can be arranged at the end. The wire includes a redundant length, which is sufficient to ensure that the valve can be pulled to the predetermined position and ensure that the sleeve 5 will not slide off. After the valve stent is pulled, the two wires can be cut off by scissors respectively, so that the sleeve 5 can be separated.

[0030] In order to facilitate operation, the side of the base 1 is provided with a push rod 4, the push rod 4 is fixed on the side of the base 1 through a push rod fixing frame 13, the push rod 4 comprises a handle 41 and a long rod 42, the handle 41 and the long rod 42 are integrally formed, the long rod 42 can be inserted into the valve placing cavity 32 to push the valve, and the rear end of the base 1 is provided with a through hole for the long rod 42 to pass through. It is feasible that the push rod 4 is also sealed in the product during packaging. The fixing frame 13 can be a clamping groove structure or integrally injection molded on the base 1, and the push rod 4 can be twisted off for use.

[0031] The working principle of the present application is that the push rod 4 is first taken off, and then the upper cover 2 is taken away, whether the appearance of the loader is complete is checked, the upper cover is opened, whether the valve is dropped is checked, the sleeve 5 is pulled to the longest limit of the line, at this time the valve support is pulled to shrink into the valve placing cavity 32, the sleeve 5 is restored to the original position, at this time the scissors are used to cut off the two lines respectively, in the embodiment, one of the two top pull lines can be cut off first, then one of the side pull lines is cut off, and finally the sleeve is separated. After separation, whether the valve is in the set position is checked, the front end of the delivery device, i.e. the delivery catheter, is placed in the base clamping groove, the push rod is used to push the valve in the funnel cylinder into the front end of the delivery device, and the loading process is completed.

[0032] The present application can separate the sleeve and the funnel cylinder part fixed on the base, place the bronchial valve in the funnel-shaped support funnel of the funnel cylinder part, pull the bronchial valve to shrink and pull into the narrow and long placing cavity through the sleeve, fix the front end of the catheter in the catheter placing groove, and push the bronchial valve into the front end of the catheter through the push rod, so that the loading can be realized, the whole process does not need to touch the loading by hand or other tools, the operation is convenient, too many processes are avoided, the cleanliness of the bronchial valve is ensured, and the operation is smoothly performed.

[0033] The embodiments of the present application are described in detail in combination with the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A bronchial end-valve loader characterized by, The utility model provides a kind of endobronchial valve device, including base (1), funnel barrel portion (3) and sleeve (5), the sleeve (5) is sleeved in the front end of base (1), the funnel barrel portion (3) is arranged in the middle position of base (1), the rear end of funnel barrel portion (3) is provided with bracket funnel (31), the center of funnel barrel portion (3) is provided with valve placement cavity (32), the front and back of funnel barrel portion (3) are passed through, the valve placement cavity (32) is communicated bracket funnel (31), the bracket funnel (31) is used to place initial state endobronchial valve, the bracket funnel (31) is funnel-shaped, the inside of sleeve (5) is connected respectively by traction device the valve placed in valve placement cavity (32) and base (1), the side of base (1) is provided with push rod (4), the push rod (4) includes handle (41) and long rod (42), the long rod (42) can be extended into valve placement cavity (32) and push valve, the rear end of base (1) is provided with through hole for long rod (42) to pass through.

2. A bronchial valved loader according to claim 1, wherein, The funnel barrel portion (3) is transparent.

3. A bronchial valved loader according to claim 1, wherein, The base (1) includes funnel barrel mounting groove (11) at the rear end and sleeve mounting seat (12) at the front end, the funnel barrel mounting groove (11) is groove-shaped, and the funnel barrel portion (3) is fixed in the funnel barrel mounting groove (11).

4. A bronchial valved loader according to claim 3, wherein, The funnel barrel portion (3) is provided with a fixed spring (13) therein, and the two ends of the fixed spring (13) abut against the end of the funnel barrel portion (3) and the funnel barrel mounting groove (11) respectively.

5. A bronchial valved loader according to claim 3, wherein, The sleeve mounting seat (12) is semi-cylindrical, the upper surface of the sleeve mounting seat (12) is provided with sleeve mounting sliding groove (121) and catheter placement groove (122), the catheter placement groove (122) is arranged at the center of the upper surface of the sleeve mounting seat (12), and the inner end of the catheter placement groove (122) is opposite to the outer end of the valve placement cavity (32).

6. A bronchial valved loader according to claim 5, wherein, The upper end of the sleeve (5) is internally provided with sleeve inner sliding groove (53), and the sleeve inner sliding groove (53) is slidingly connected with the sleeve mounting sliding groove (121).

7. The bronchial valved holder of claim 1, wherein, The outer end of the valve placement cavity (32) is funnel-shaped.

8. The bronchial valve loader of claim 1, wherein, The upper portion of the funnel barrel portion (3) is provided with a scale (33).

9. The bronchial valve loader of claim 1, wherein, The sleeve (5) is limited on the base (1) by sleeve safety lock wire (51), the sleeve safety lock wire (51) passes through the through hole of the sleeve (5) and the through hole on the base (1), one side of the sleeve (5) is provided with valve pulling wire (52), and the valve pulling wire (52) passes through the front end of the valve placed in the valve placement cavity (32).

10. The bronchial valve loader of claim 1, wherein, The push rod (4) is fixed on the side of the base (1) by a push rod fixing frame (13), and the handle (41) and the long rod (42) are integrally formed.

Images