Sheath tube

Abstract

The sheath tube comprises a top part, a shell, a rotating part and a bottom part which are sequentially connected, the top part is provided with a driving part, the driving part is connected with a first connecting part, and the first connecting part is connected with the rotating part; when the driving piece is driven, the first connecting piece drives the rotating piece to rotate so as to drive the bottom piece to rotate in the rotating direction of the rotating piece. Compared with the prior art, the sheathing canal can change the direction of the bottom outlet, and the use requirement of a user is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical technology field especially, relate to a sheath. BACKGROUND

[0002] Sheath is mainly used for providing a safe channel for surgical instruments to protect the surrounding tissue and blood vessels, reduce surgical injury and complications. It can help doctors more accurately position and operate during surgery, improve surgical success rate. The use of sheath is related to a variety of surgeries, including cardiovascular surgery, neurosurgery and some interventional therapy, etc.

[0003] The existing medical sheath has certain deficiencies, such as unable to change the position of the bottom outlet direction according to the use condition, there is certain limitation in use, and the use requirement of users cannot be met.

[0004] Therefore, based on the above problems, the existing sheath needs to be improved to solve the above problems. UTILITY MODEL CONTENT

[0005] In view of the problems existing in the prior art, the sheath of the utility model can change the direction of the bottom outlet to meet the use requirement of users.

[0006] In order to solve the above technical problems, the technical scheme of the utility model is:

[0007] A sheath comprises:

[0008] A top part, a shell, a rotating part and a bottom part are connected in sequence, the top part is provided with a driving part, the driving part is connected with a first connecting part, and the first connecting part is connected with the rotating part;

[0009] When the driving part is driven, the first connecting part drives the rotating part to rotate, so as to drive the bottom part to rotate in the rotating direction of the rotating part.

[0010] As a preferred, the rotating part comprises a first rotating part, a second rotating part and a third rotating part connected in sequence, and there is a gap between the second rotating part and the first rotating part and the third rotating part.

[0011] As a preferred, at least one limiting part is connected on the surface of the top part, the limiting part limits the driving part, so that the driving part moves relative to the longitudinal direction of the top part.

[0012] As preferred, the top part is provided with a recess, and the recess is provided with an opening, the driving member comprises a first driving part, a second driving part and a handle connected in sequence, the first driving part is located in the opening, the second driving part is located in the recess, and the limiting member abuts against the second driving part.

[0013] As preferred, the top part is provided with a recess, and the recess is provided with an opening, the driving member comprises a first driving part, a second driving part and a handle connected in sequence, the first driving part is located in the opening, the second driving part is located in the recess, and the limiting member abuts against the second driving part.

[0014] As preferred, the top part is provided with a recess, and the recess is provided with an opening, the driving member comprises a first driving part, a second driving part and a handle connected in sequence, the first driving part is located in the opening, the second driving part is located in the recess, and the limiting member abuts against the second driving part.

[0015] As preferred, the surface close to the bottom of the shell is provided with a plurality of through holes.

[0016] As preferred, the bottom of the top part is provided with a first assembly part, the top of the bottom part is provided with a second assembly part, the first assembly part is detachably connected with the first rotating part, and the second assembly part is detachably connected with the third rotating part.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The direction of the bottom outlet can be changed to meet the use demand of users. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the sheath tube;

[0020] Figure 2 It is a sectional view of the sheath tube;

[0021] Figure 3 It is a structural schematic view of the top part;

[0022] Figure 4 It is a structural schematic view of the shell;

[0023] Figure 5 It is a structural schematic view of the bottom part;

[0024] Figure 6 It is a structural schematic view of the rotating part;

[0025] Figure 7 It is a structural schematic view of the driving member;

[0026] Figure 8 It is a schematic view of the bending state of the sheath tube. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings Figures 1-8The utility model discloses make further detailed description to the specific embodiment of the utility model, so that the utility model technical scheme is more easy to understand and grasp.

[0028] In the embodiment, it needs to be understood that the orientation or positional relationship indicated by the terms "intermediate", "upper", "lower", "top", "right side", "end", "front", "back", "middle" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] In addition, in the specific embodiment, if the connection or fixing mode between components is not particularly described, the connection or fixing mode can be bolt fixing or pin fixing commonly used in the prior art, or pin shaft connection, and therefore, the embodiment is not described in detail.

[0030] As shown in Figures 1-8 A sheath, comprising:

[0031] A top part 1, an outer shell 2, a rotating part 3 and a bottom part 4 are sequentially connected, the top part 1 is provided with a driving part 5, the driving part 5 is connected with a first connecting part 6, and the first connecting part 6 is connected with the rotating part 3.

[0032] When the driving part 5 is driven, the first connecting part 6 drives the rotating part 3 to rotate, so as to drive the bottom part 4 to rotate in the rotating direction of the rotating part 3. The application can be used for different situations by changing the direction of the bottom part 4, and meet the use requirements of different users.

[0033] The rotating part 3 comprises a first rotating part 31, a second rotating part 32 and a third rotating part 33 which are sequentially and rotatably connected, and a gap exists between the second rotating part 32 and the first rotating part 31 and the third rotating part 33, so that the second rotating part 32 and the third rotating part 33 can rotate.

[0034] The top part 1 is connected with at least one limiting part 7, and the limiting part 7 limits the driving part 5, so that the driving part 5 moves in the longitudinal direction relative to the top part 1.

[0035] The top part 1 is provided with a groove 11, and the groove 11 is provided with an opening 12, the driving part 5 comprises a first driving part 51, a second driving part 52 and a handle 53 which are sequentially connected, the first driving part 51 is located in the opening 12, the second driving part 52 is located in the groove 11, and the limiting part 7 abuts against the second driving part 52.

[0036] The top part 1 is provided with a mounting piece 13 at one end, the mounting piece 13 is communicated with the top part 1, the mounting piece 13 comprises a first mounting part 131 and a second mounting part 132; wherein, the first mounting part 131 can be used for high frequency ventilation; the second mounting part 132 can be used for ordinary ventilation, that is, the air pressure does not need to be pressurized, and a pipeline can be connected outside.

[0037] The first connecting piece 6 is provided with a second connecting piece 61 for protection, the bottom of the shell 2 is provided with a shell opening 21, the second connecting piece 61 abuts against the shell opening 21, and specifically, the second connecting piece 61 is welded with the shell opening 21, so that the second connecting piece 61 is fixed with the shell opening 21.

[0038] A plurality of through holes 22 are arranged on the surface close to the bottom of the shell 2, and the through holes 22 are used for ventilation after a sheath tube is inserted into the oral cavity of a patient.

[0039] The bottom part 1 is provided with a first assembly part 14, the top part 4 is provided with a second assembly part 15, the first assembly part 14 is detachably connected with the first rotating part 31, and the second assembly part 15 is detachably connected with the third rotating part 33; through detachable connection, the user can replace parts.

[0040] Principle description:

[0041] The user presses the driving piece 5, the first connecting piece 6 drives the third rotating part 33 to rotate along the gap direction of the third rotating part 33, and rotation of the bottom part 4 is realized.

[0042] The technical effects of the utility model mainly embody in the following aspects:

[0043] The direction of the bottom outlet can be changed, and the use requirement of the user is met.

[0044] Of course, the above is only a typical example of the utility model, in addition to this, the utility model can have other various specific implementation manners, and the technical solutions formed by equivalent replacement or equivalent transformation all fall within the scope required for protection of the utility model.

Claims

1. A sheath characterized by, The utility model provides a kind of rotating device, including: A top part (1), a shell (2), a rotating part (3) and a bottom part (4) are sequentially connected, the top part (1) is provided with a driving part (5), the driving part (5) is connected with a first connecting part (6), and the first connecting part (6) is connected with the rotating part (3); When the driving part (5) is driven, the first connecting part (6) drives the rotating part (3) to rotate, to drive the bottom part (4) to rotate along the rotating direction of the rotating part (3).

2. The sheath of claim 1, wherein: The rotating part (3) includes a first rotating part (31), a second rotating part (32) and a third rotating part (33) which are sequentially connected, and there is a gap between the second rotating part (32) and the first rotating part (31) and the third rotating part (33).

3. The sheath of claim 1, wherein: The top part (1) is connected with at least one limiting part (7) on the surface, the limiting part (7) limits the driving part (5), so that the driving part (5) moves relative to the longitudinal direction of the top part (1).

4. The sheath of claim 3, wherein: The top part (1) is provided with a groove (11), and the groove (11) is provided with an opening (12), the driving part (5) includes a first driving part (51), a second driving part (52) and a handle (53) which are sequentially connected, the first driving part (51) is located in the opening (12), the second driving part (52) is located in the groove (11), and the limiting part (7) abuts against the second driving part (52).

5. The sheath of claim 1, wherein: One end of the top part (1) is provided with a mounting part (13), the mounting part (13) is connected with the top part (1), and the mounting part (13) includes a first mounting part (131) and a second mounting part (132).

6. The sheath of claim 1, wherein: The surface of the first connecting part (6) is provided with a second connecting part (61), the bottom of the shell (2) is provided with a shell opening (21), and the second connecting part (61) abuts against the shell opening (21).

7. The sheath of claim 1, wherein: A plurality of through holes (22) are formed on the surface close to the bottom of the shell (2).

8. The sheath of claim 2, wherein: The bottom of the top part (1) is extended to a first assembly part (14), the top of the bottom part (4) is extended to a second assembly part (15), the first assembly part (14) is detachably connected with the first rotating part (31), and the second assembly part (15) is detachably connected with the third rotating part (33).

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