Porta hepatis blocking belt

Abstract

The utility model discloses a porta hepatis blocking belt. The porta hepatis blocking belt comprises a base, the locking device comprises two locking blocks arranged on the base, the two locking blocks are oppositely arranged in the first direction, the two locking blocks are always subjected to elastic force which is close to each other in the first direction and are far away from each other under the action of first external force, and a storage channel is formed when the two locking blocks are in butt joint; one end of the blocking belt body is connected to the base, and the other end of the blocking belt body can penetrate through and be locked in the containing channel after being subjected to second external force. The method has the technical effects that the operation is simple, and the blocking and releasing efficiency is very high.

Description

Technical Field

[0001] The utility model relates to the technical field of surgical instruments, in particular to a hepatic portal blocking band. Background Art

[0002] Hepatectomy is the first choice for the treatment of liver diseases, especially liver tumors. However, compared with other organ surgeries, the control of intraoperative bleeding is always a problem due to the rich blood supply of the liver. The hepatic blood flow occlusion technique is considered to be the best way to control bleeding during hepatectomy. With the continuous improvement of liver surgical technology, there are many hepatic blood flow occlusion techniques. These blood flow control techniques are reasonably selected in hepatectomy to achieve the purpose of controlling and reducing bleeding, while reducing its potential side effects.

[0003] The Pringle method is the most commonly used hepatic blood flow blocking technique, which is simple to operate and has a reliable blocking effect. In order to reduce liver ischemia-reperfusion injury and intestinal congestion, the single blocking time should be controlled as much as possible. It is generally believed that the safe time limit of the Pringle method is 15 minutes to 20 minutes, open for 5 minutes, and repeated if necessary. However, the blocking band is not easy to open quickly after knotting and blocking. It is generally cut directly, which results in the consumption of more blocking bands during the operation, increasing the cost of the operation, and cutting the blocking band also delays time and may hurt the patient. Utility Model Content

[0004] The utility model aims to provide a liver portal blocking band to solve the problem that the current blocking band is not easy to open quickly after knotting and blocking.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A hepatic portal blocking band, comprising:

[0007] Base;

[0008] A locker, comprising two locking blocks arranged on the base, the two locking blocks are opposite to each other along a first direction, the two locking blocks are always subjected to an elastic force approaching each other along the first direction, and are moved away from each other under the action of a first external force, and the two locking blocks form a receiving channel when they are in contact with each other; and

[0009] The blocking belt body has one end connected to the base and the other end which can penetrate and be locked in the receiving channel after being subjected to a second external force.

[0010] Furthermore, the base comprises:

[0011] A base body, which is provided with a convex rib extending along the first direction, and the two locking blocks are slidably engaged with the convex rib; and

[0012] Elastic members, two of which are disposed on the base body, one of the elastic members being connected to one of the locking blocks and the other elastic member being connected to the other locking block.

[0013] Furthermore, the base includes:

[0014] A base body having convex ribs extending in the first direction on its bottom surface, one of the locking blocks being slidably clamped on the convex ribs, and the other locking block being fixedly disposed on the base body; and

[0015] Elastic members, which are disposed on the base body and connected to the slidable locking blocks.

[0016] Furthermore, the elastic member is a compression spring.

[0017] Furthermore, the two locking blocks are each provided with a groove on their respective opposing surfaces, and when the two locking blocks are butted, the two grooves are combined into the storage channel.

[0018] Furthermore, at least one of the groove walls of the groove is provided with a protrusion;

[0019] The blocking strip body is arranged with a plurality of card slots along its own length direction, and any one of the card slots can be engaged with the protrusion in a matching manner.

[0020] Furthermore, the lock also includes:

[0021] A pressing cap; disposed on one side of the lock

[0022] Two connecting rods, which are arranged crosswise and rotatably connected, one end of one connecting rod being connected to one of the locking blocks and the other end being slidably connected to the pressing cap, and one end of the other connecting rod being connected to the other locking block and the other end being slidably connected to the pressing cap.

[0023] The beneficial effects of the present utility model: The two locking blocks on the base are always subjected to elastic forces approaching each other in the first direction and move away from each other under the action of a first external force. Therefore, the two locking blocks can be first separated from each other by the action of the first external force, and then it is convenient to control the length of the blocking strip body passing through the storage channel afterwards, that is, to limit the bending size of the blocking strip body. After the bending size is determined, the first external force is released. At this time, the locking blocks approach each other and form a storage channel, and the storage channel just locks the blocking strip body, thereby completing hepatic portal occlusion. When release is required, the first external force is applied again, and at this time, the bending size of the blocking strip body can be adjusted again. The operation of this device is simple, and both the occlusion and release efficiency are very high. Description of the Drawings

[0024] Figure 1It is a schematic structural diagram of the hepatic hilar occlusion band provided by this embodiment from the first perspective;

[0025] Figure 2 It is a schematic structural diagram of the hepatic hilar occlusion band provided by this embodiment from the second perspective. Detailed implementation manners

[0026] The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the sake of description, only the parts related to the present utility model are shown in the drawings rather than all the structures.

[0027] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "over", and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath", and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than that of the second feature.

[0029] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and do not have special meanings.

[0030] This embodiment provides a hepatic hilar occlusion band, Figure 1 which is a schematic structural diagram of the hepatic hilar occlusion band provided by this embodiment from the first perspective, Figure 2 which is a schematic structural diagram of the hepatic hilar occlusion band provided by this embodiment from the second perspective, as Figure 1 andFigure 2 As shown, the porta hepatis blocking band includes a base 1, a locking device 2 and a blocking band body 3.

[0031] The locking device 2 includes two locking blocks 21 arranged on the base 1. The two locking blocks 21 are opposed to each other in the first direction. The two locking blocks 21 are always subject to an elastic force approaching each other in the first direction and move away from each other under the action of a first external force. When the two locking blocks 21 are butted against each other, a receiving channel 200 is formed.

[0032] It can be understood that when the first external force is not applied, the two locking blocks 21 approach each other and form a receiving channel 200 when butted against each other. When the first external force is applied, the two locking blocks 21 move away from each other.

[0033] One end of the blocking band body 3 is connected to the base 1, and the other end of the blocking band body 3 can penetrate and be locked in the receiving channel 200 after being subjected to a second external force. It can be understood that the blocking band body 3 will be bent after being subjected to the second external force and can penetrate between the two locking blocks 21 after being bent.

[0034] Therefore, according to the porta hepatis blocking band provided in this embodiment, the two locking blocks 21 on the base 1 are always subject to an elastic force approaching each other in the first direction and move away from each other under the action of a first external force. Therefore, the two locking blocks 21 can be made to move away from each other by the action of the first external force, so as to facilitate controlling the length of the blocking band body 3 passing through the receiving channel 200 later, that is, limiting the bending size of the blocking band body 3. Of course, the bending size is determined according to the actual situation of the patient. After the bending size is determined, the first external force is released. At this time, the locking blocks 21 approach each other and form a receiving channel 200, and the receiving channel 200 just locks the blocking band body 3, thereby completing the porta hepatis blocking. When release is needed, the first external force is applied again, and at this time, the bending size of the blocking band body 3 can be adjusted again. The operation of this device is simple, and both the blocking and release efficiencies are very high.

[0035] Preferably, the base 1 can be set as a transparent structure to facilitate observing the position of the blocking band body 3.

[0036] Furthermore, in this embodiment, the base 1 includes a base body 11 and an elastic member 12.

[0037] The base body 11 is provided with a rib 111 extending in the first direction, and the two locking blocks 21 are both slidably clamped on the rib 111.

[0038] There are two elastic members 12. The two elastic members 12 are arranged on the base body 11. One elastic member 12 is connected to one locking block 21, and the other elastic member 12 is connected to the other locking block 21.

[0039] In other words, in this embodiment, both of the two locking blocks 21 are slidable. Therefore, two elastic members 12 are correspondingly provided, and the two elastic members 12 are arranged in one-to-one correspondence with the locking blocks 21, so as to drive the two locking blocks 21 to approach relatively.

[0040] In another embodiment, one of the locking blocks 21 is slidably clamped on the rib 111, and the other locking block 21 is fixedly arranged on the base body 1; there is only one elastic member 12, and the elastic member 12 is arranged on the base body 11 and connected to the slidable locking block 21.

[0041] In this embodiment, the elastic member 12 is a compression spring.

[0042] Further, in this embodiment, the rib 111 cooperates with the bottom of the locking block 21. Of course, it is not limited to the rib 111 cooperating with the side surface of the locking block 21.

[0043] Further, the two locking blocks 21 are each provided with a groove 211 on their respective opposing surfaces. When the two locking blocks 21 are butted, the two grooves 211 are combined into a receiving channel 200.

[0044] At least one of the groove walls of the groove 211 is provided with a protrusion 2110. In this embodiment, both of the two grooves 211 are provided with protrusions 2110. In this embodiment, each groove 211 is provided with one protrusion 2110.

[0045] A plurality of card slots 31 are arranged along the length direction of the blocking belt body 3, and any one of the card slots 31 can be engaged and cooperated with the protrusion 2110.

[0046] The protrusion 2110 is not limited to a circular protrusion, a square protrusion or other shapes. It can be understood that the shape of the card slot 211 is adapted to the shape of the protrusion 2110.

[0047] Further, the lock 2 further includes a pressing cap 22 and two connecting rods 23.

[0048] The pressing cap 22 is arranged on one side of the lock 2. In this embodiment, the locking block 21 is located between the pressing cap 22 and the base body 11. The pressing cap 22, the locking block 21 and the base body 11 are arranged in sequence from top to bottom.

[0049] The two connecting rods 23 are arranged in a cross shape and are rotatably connected. One end of one connecting rod 23 is connected to one of the locking blocks 21, and the other end is slidably connected to the pressing cap 22. One end of the other connecting rod 23 is connected to the other locking block 21, and the other end is slidably connected to the pressing cap 22.

[0050] It can be understood that the pressing cap 22 is provided with a sliding groove, and the end of the connecting rod 23 is slidably arranged in the sliding groove. As Figure 1As shown, when a downward force is applied to the pressing cap 22, the two connecting rods 23 rotate relative to each other, and the two locking blocks 21 move away from each other against the elastic force of the elastic member 12. Once the downward force on the pressing cap 22 is removed, the two locking blocks 21 continue to be subjected to the elastic force of the elastic member 12 and move closer to each other, and the connecting rods 23 rotate relative to each other again until the two locking blocks 21 are in close contact with each other.

[0051] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A hepatic portal blocking band, characterized in that: include: Base (1); The locker (2) comprises two locking blocks (21) arranged on the base (1), the two locking blocks (21) being arranged opposite to each other along a first direction, the two locking blocks (21) being always subjected to an elastic force moving closer to each other along the first direction, and moving away from each other under the action of a first external force, the two locking blocks (21) forming a receiving channel (200) when they are in contact with each other; and A blocking belt body (3) has one end connected to the base (1), and the other end can penetrate and be locked in the receiving channel (200) after being subjected to a second external force.

2. The hepatic portal blocking band according to claim 1, characterized in that: The base (1) comprises: A base body (11) is provided with a convex rib (111) extending along the first direction, and the two locking blocks (21) are both slidably engaged with the convex rib (111); and An elastic member (12), wherein two elastic members (12) are arranged on the base body (11), wherein one of the elastic members (12) is connected to one locking block (21), and the other elastic member (12) is connected to the other locking block (21).

3. The hepatic portal blocking band according to claim 1, characterized in that: The base (1) comprises: A base body (11), the bottom surface of which is provided with a convex rib (111) extending along the first direction, wherein one of the locking blocks (21) is slidably engaged with the convex rib (111), and the other locking block (21) is fixedly arranged on the base body (11); and An elastic member (12) is arranged on the base body (11) and connected to the slidable locking block (21).

4. The hepatic portal blocking band according to claim 2 or 3, characterized in that: The elastic member (12) is a compression spring.

5. The hepatic portal blocking band according to claim 4, characterized in that: The two locking blocks (21) are each provided with a groove (211) on their respective opposing surfaces; when the two locking blocks (21) are butt-jointed, the two grooves (211) are combined into the receiving channel (200).

6. The hepatic portal blocking band according to claim 5, characterized in that: A groove wall of at least one of the grooves (211) is provided with a protrusion (2110); The blocking belt body (3) is provided with a plurality of slots (31) arranged along its length direction, and any of the slots (31) can be mutually engaged with the protrusion (2110).

7. The hepatic portal blocking band according to claim 1, characterized in that: The lock (2) also includes: A pressing cap (22) is arranged on one side of the locker (2); Two connecting rods (23) are cross-arranged and rotatably connected, wherein one end of one of the connecting rods is connected to one of the locking blocks (21) and the other end is slidably connected to the pressing cap (22), and one end of the other connecting rod is connected to another of the locking blocks (21) and the other end is slidably connected to the pressing cap (22).

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