Detachable sealing element assembly structure of puncture outfit

Abstract

The utility model relates to the technical field of puncture outfits, and discloses a detachable sealing element assembly structure of a puncture outfit, which comprises a sealing element assembly shell, a sealing element and a choke valve, the sealing element is arranged in the sealing element assembly shell, the choke valve is arranged below the sealing element, and the sealing element is arranged in the sealing element assembly shell. The sealing piece comprises a base, a middle cover, a protection piece set, a cover seat and an upper cover, the middle cover is arranged in the base, and the protection piece set is arranged in the middle cover. The utility model relates to a puncture outfit sealing film protection sheet with variable wall thickness, which can weaken a dry phenomenon caused when a maximum outer diameter surgical instrument matched with a puncture outfit enters and exits or rotates. When the surgical instrument is withdrawn from the puncture outfit, the part, in contact with the surgical instrument, of the sealing film protection sheet is extremely easy to turn back in the withdrawing process of the surgical instrument, so that the protection sheet naturally turns back at the boss or the groove of the surgical instrument. The protection sheet is effectively prevented from exiting from the puncture outfit due to deformation of the instrument to cause breakage of the sealing film, and the sealing performance of the puncture outfit is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to puncture ware sealing element technical field, specifically be a kind of puncture ware detachable sealing element assembly structure. BACKGROUND

[0002] In the process of laparoscopic surgery, medical devices will frequently enter and exit through the puncture device, and ensuring the dynamic sealing performance of the puncture device and the smoothness of the mechanical movement of the device in the puncture device is the key to ensuring the smooth progress of the surgery. During the surgery, various surgical devices with different outer diameters and shapes are often used, therefore, the puncture device also needs to adapt to the use of various surgical devices with different outer diameters and shapes, and ensure the sealing performance of the puncture device during the rotating movement of the medical devices in and out, and maintain the abdominal pressure. At the same time, the mechanical movement of the medical devices, such as entering, rotating, and exiting the puncture device after firing, needs to avoid jamming, so as to ensure the smoothness during the surgery.

[0003] The puncture devices currently circulating on the market have the problems of large resistance when the device exits the puncture device after firing, and the concave-convex position easily hooks the puncture device sealing membrane, causing the puncture device to leak air, etc. That is, the sealing effect of the sealing element assembly structure on the existing puncture device is not good.

[0004] We need to ensure the sealing performance of the puncture device while reducing the resistance when the medical device rotates in and out. Therefore, we improve the sealing membrane protection sheet to further improve the jamming phenomenon caused by the mechanical movement of the device while providing sufficient protection to the sealing membrane. CONTENT OF THE UTILITY MODEL

[0005] In view of the deficiencies of the prior art, the utility model provides a puncture device detachable sealing element assembly structure. The puncture device sealing membrane protection sheet with varying wall thickness weakens the jamming phenomenon caused by the maximum outer diameter surgical device entering or rotating the puncture device. When the surgical device exits the puncture device, the part of the sealing membrane protection sheet contacting the surgical device is easily turned back during the exit process of the surgical device, so that the protection sheet naturally turns back at the boss or groove of the surgical device, effectively avoiding the rupture of the sealing membrane caused by the protection sheet deforming and exiting the puncture device due to the device, and ensuring the sealing performance of the puncture device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A puncture device detachable sealing element assembly structure, comprising: a sealing element assembly housing; a sealing element installed in the sealing element assembly housing; a gas blocking valve arranged below the sealing element; the sealing element comprises a base, an intermediate cover, a protection sheet group, a cover seat and an upper cover, the intermediate cover is arranged in the base, the protection sheet group is arranged in the intermediate cover, the cover seat is arranged above the intermediate cover, and the upper cover is arranged in the cover seat.

[0008] The distance between the sealing member and the air blocking valve is not less than 15mm.

[0009] The base is provided with a mounting hole a, and a fixed column a is mounted on the base; the middle cover is provided with a mounting hole b, and a fixed column b is mounted on the middle cover; the fixed column b is inserted into the mounting hole a, and the fixed column a is inserted into the mounting hole b.

[0010] The protection piece group comprises a plurality of protection pieces, the protection pieces are provided with mounting holes c, the plurality of protection pieces are rotated to form a circular truncated cone, and the protection pieces are fan-shaped.

[0011] The cover seat is provided with mounting holes d and e, a fixed column d is mounted on the middle cover, and the fixed column d is inserted into the mounting hole d.

[0012] The upper cover is provided with a fixed column e, and the fixed column e is inserted into the mounting hole e.

[0013] The sealing member assembly housing is provided with a plurality of mounting holes f, and the fixed column d is inserted into the mounting hole f.

[0014] In view of the defects of the prior art, the utility model provides a detachable sealing member assembly structure of a puncture device, overcomes the defects of the prior art, and has the beneficial effects that:

[0015] 1、 the puncture device sealing membrane protection piece of the utility model changes the wall thickness, reduces the wall thickness of the protection piece through the instrument end, weakens the dry feeling caused by the maximum outer diameter surgical instrument in and out or rotation of the puncture device adapter, when the surgical instrument exits the puncture device, the part of the sealing membrane protection piece contacting the surgical instrument is extremely easy to turn back in the process of the surgical instrument exiting, so that the protection piece naturally turns back at the boss or the groove of the surgical instrument, effectively avoids that the protection piece is damaged due to the deformation of the instrument and exits the puncture device to cause the rupture of the sealing membrane, and the sealing performance of the puncture device is guaranteed.

[0016] 2、 the utility model discloses that a plurality of fan-shaped rotation circular truncated cones are formed, the lower bottom surface is fixed on the sealing assembly, and the upper bottom surface can change the diameter along with the in and out of the instrument. When the surgical instrument of the puncture device model adaptation passes through the puncture device, the protection effect of the sealing membrane can be effectively provided, so that the sealing membrane is not easy to be damaged by the surgical instrument. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model.

[0018] Figure 1It is the explosion structure schematic view of the sealing assembly in the utility model.

[0019] Figure 2 It is the explosion structure schematic view of the sealing assembly in the utility model.

[0020] Figure 3 It is the explosion structure schematic view of the sealing assembly in the utility model.

[0021] Figure 4 It is the explosion structure schematic view of the sealing assembly in the utility model.

[0022] Figure 5 It is the first angle schematic view of the protective sheet in the utility model.

[0023] Figure 6 It is the second angle schematic view of the protective sheet in the utility model.

[0024] Figure 7 It is the third angle schematic view of the protective sheet in the utility model.

[0025] In the drawing: 1, sealing assembly shell; 10, mounting hole e; 2, sealing element; 21, upper cover; 211, fixed column e; 22, cover seat; 221, mounting hole d; 222, mounting hole e; 23, protective sheet group; 231, protective sheet; 232, mounting hole c; 24, intermediate cover; 241, mounting hole b; 242, fixed column b; 243, fixed column d; 3, air blocking valve; 25, base; 251, mounting hole a; 252, fixed column a. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0027] EMBODIMENT

[0028] The embodiment provides a kind of puncture device detachable sealing assembly structure, comprising: sealing assembly shell 1;Sealing element 2, sealing element 2 is installed in sealing assembly shell 1;Air blocking valve 3, air blocking valve 3 is located below sealing element 2;Sealing element 2 includes base 25, intermediate cover 24, protective sheet group 23, cover seat 22 and upper cover 21, intermediate cover 24 is located in base 25, protective sheet group 23 is located in intermediate cover 24, cover seat 22 is located above intermediate cover 24, upper cover 21 is located in cover seat 22.

[0029] The spacing between sealing element 2 and air blocking valve 3 is greater than 15mm.

[0030] The base 25 is provided with a mounting hole a 251, and the base 25 is provided with a fixed column a 252. The middle cover 24 is provided with a mounting hole b 241, and the middle cover 24 is provided with a fixed column b 242. The fixed column b 242 is inserted into the mounting hole a 251, and the fixed column a 252 is inserted into the mounting hole b 241.

[0031] The cover seat 22 is provided with a mounting hole d 221 and a mounting hole e 222. The middle cover 24 is provided with a fixed column d 243. The fixed column d 243 is inserted into the mounting hole d 221.

[0032] The upper cover 21 is provided with a fixed column e 211. The fixed column e 211 is inserted into the mounting hole e 222.

[0033] The sealing assembly shell 1 is provided with a plurality of mounting holes f 10. The fixed column d 243 is inserted into the mounting hole f 10.

[0034] In the embodiment, the sealing assembly shell 1, the sealing element 2 and the gas blocking valve 3 are provided to achieve multiple sealing. The sealing element 2 includes the base 25, the middle cover 24, the protection piece group 23, the cover seat 22 and the upper cover 21, thereby improving the sealing effect of the sealing assembly structure of the puncture device.

[0035] The puncture device sealing film protection piece with variable thickness can weaken the dry feeling caused by the maximum outer diameter of the surgical instrument when the surgical instrument enters, exits or rotates the puncture device. When the surgical instrument exits the puncture device, the part of the sealing film protection piece contacting the surgical instrument is easily turned back during the process of the surgical instrument exiting, so that the protection piece is naturally turned back at the boss or groove of the surgical instrument, effectively avoiding the rupture of the sealing film caused by the deformation of the protection piece when the instrument exits the puncture device, and ensuring the sealing performance of the puncture device.

[0036] The protection piece group 23 in the embodiment includes a plurality of protection pieces 231 (a plurality of fan-shaped pieces rotating to form a circular truncated cone). The protection piece 231 is provided with a mounting hole c 232. The plurality of protection pieces 231 rotate to form a circular truncated cone. The protection piece 231 is fan-shaped.

[0037] The plurality of fan-shaped pieces rotating to form a circular truncated cone have a lower bottom surface fixed on the sealing assembly and an upper bottom surface capable of changing in diameter when the instrument enters and exits. The protection piece can effectively protect the sealing film when the surgical instrument with different outer diameters passes through the puncture device within the range of surgical instruments adapted to the puncture device, so that the sealing film is not easily damaged by the surgical instrument.

[0038] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features thereof can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lancet detachable seal assembly structure, characterized by, Include: Seal assembly housing (1); Seal (2), the seal (2) is installed in the seal assembly housing (1); Air resistance valve (3), the air resistance valve (3) is arranged below the seal (2); The seal (2) comprises a base (25), an intermediate cover (24), a protective sheet group (23), a cover seat (22) and an upper cover (21), the intermediate cover (24) is arranged in the base (25), the protective sheet group (23) is arranged in the intermediate cover (24), the cover seat (22) is arranged above the intermediate cover (24), and the upper cover (21) is arranged in the cover seat (22).

2. A puncturer detachable seal assembly structure according to claim 1, wherein The distance between the seal (2) and the air resistance valve (3) is greater than 15 mm.

3. The puncture sealer assembly of claim 1, wherein: The base (25) is provided with a mounting hole a (251), the base (25) is provided with a fixed column a (252), the intermediate cover (24) is provided with a mounting hole b (241), the intermediate cover (24) is provided with a fixed column b (242), the fixed column b (242) is inserted into the mounting hole a (251), and the fixed column a (252) is inserted into the mounting hole b (241).

4. The piercer removable seal assembly structure of claim 3, wherein, The protective sheet group (23) comprises a plurality of protective sheets (231), the protective sheet (231) is provided with a mounting hole c (232), a plurality of protective sheets (231) are rotated to form a circular truncated cone, and the protective sheet (231) is a fan shape.

5. The piercer removable seal assembly structure of claim 4, wherein, The cover seat (22) is provided with a mounting hole d (221) and a mounting hole e (222), the intermediate cover (24) is provided with a fixed column d (243), and the fixed column d (243) is inserted into the mounting hole d (221).

6. A puncturer detachable seal assembly structure according to claim 5, wherein The upper cover (21) is provided with a fixed column e (211), and the fixed column e (211) is inserted into the mounting hole e (222).

7. A puncturer detachable seal assembly structure according to claim 6, wherein The seal assembly housing (1) is provided with a plurality of mounting holes f (10), and the fixed column d (243) is inserted into the mounting hole f (10).

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