CN223695945U

CN223695945U - Automatic adjust liver duodenum ligament portal vein and hepatic artery blood flow break-make ware

Info

Publication number: CN223695945U
Application number: CN202520272207.8U
Authority: CN
Inventors: 田恒宇
Original assignee: Shenzhen Traditional Chinese Medicine Hospital
Current assignee: Shenzhen Traditional Chinese Medicine Hospital
Priority date: 2025-02-20
Filing date: 2025-02-20
Publication date: 2025-12-23
Anticipated expiration: 2035-02-20

Abstract

This utility model relates to an automatic regulating device for circulating blood flow through the portal vein and hepatic artery of the hepatoduodenal ligament. The device includes a soft rubber sleeve, a handle, a connecting tube, a first clamping strip, a second clamping strip, a rotating shaft, a flexible wire, and a flexible wire control mechanism. The first and second clamping strips are connected together via the rotating shaft. The soft rubber sleeve is fitted over the outside of the first and second clamping strips. One end of the connecting tube is connected to the soft rubber sleeve, and the other end is connected to the handle. The flexible wire control mechanism is located on the handle. The flexible wire is inserted into the connecting tube, with one end connected to the first clamping strip and the other end connected to the flexible wire control mechanism. This utility model can overcome the shortcomings of existing hepatic portal occlusion techniques, achieving more precise, safe, and convenient blood flow occlusion and conduction control, reducing surgical risks and liver damage.

Description

Automatic adjust liver duodenum ligament portal vein and hepatic artery blood flow break-make ware

Technical Field

The utility model relates to a blood flow on-off device, in particular to a blood flow on-off device for automatically regulating hepatic duodenal ligament portal vein and hepatic artery, and belongs to the technical field of surgical medical instruments.

Background

The liver is a rich organ with a total blood flow of about 1/4 of the heart's blood flow output, up to 1500mL per minute. The first portal is an important passage of the liver through which blood flow around the portal vein and hepatic artery on the hepatic duodenal ligament is required to flow into the liver. Control of bleeding during liver surgery has long been a difficult problem in liver surgery development. The Pringle method is currently used to block the blood flow of the first hepatic portal by means of vascular clamp fixation. While the Pringle method is simple and practical and almost applicable to various types of hepatectomy, it causes significant hot ischemia reperfusion injury of the liver, and it causes damage to the wall of the endo-biliary tract, artery and vein of the liver, or wall-vascular necrosis hemorrhage, or portal vein damage hemorrhage, while the blocking time of the first portal is limited, and if the blocking time is too long, it easily causes severe ischemia of the liver, so that it is necessary to loosen the silicone tube to supply blood to the liver for a short time, then tighten the silicone tube again to block the first portal and then perform the operation, and repeated loosening or tightening of the silicone tube is cumbersome to operate in the abdominal cavity, has a large risk, and is liable to affect other organs.

In view of the above problems, the inventor has proposed an utility model named as an adjustable hepatoduodenal ligament blocking device, with publication number of CN 216455156U, which has a certain innovation in blocking hepatic portal blood flow, but has some disadvantages that (1) although the blocking device simplifies operation to a certain extent compared with the traditional Pringle method, the whole flow is still complicated, a series of operation steps have higher requirements on operation skills and proficiency of doctors, operation preparation time is increased, if the operation is improper, the operation process may be delayed, (2) the puncturing piece is directly connected with a pressure pipe or connected with the pressure pipe, complex operation needs to be performed in abdominal cavity, and when the puncturing piece is penetrated out of abdominal wall, if the operation is careless, other organs, blood vessels and tissues in abdominal cavity are extremely vulnerable to increase operation risk and patient trauma, (3) the connection and operation of a pressure supply assembly in an actual operation environment may be interfered by various factors, connection and operation may be inconvenient, and use efficiency is affected, (4) elasticity may have elastic fatigue problem, elasticity may be reduced after multiple expansion and contraction, the blocking effect on hepatic portal is difficult to ensure stable operation process in blood flow stability.

Disclosure of Invention

Aiming at the defects of complex operation and poor using effect of the adjustable hepatic duodenal ligament blocking device in the prior art, the utility model provides an automatic adjustment hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device, which solves the defects of the existing hepatic portal blocking technology, realizes more accurate, safe and convenient blood flow blocking and conduction control, and reduces operation risks and liver injury.

The technical scheme includes that the blood flow on-off device for automatically adjusting hepatic duodenal ligament portal vein and hepatic artery comprises a flexible rubber sleeve, a handle, a connecting pipe, a first clamping strip, a second clamping strip, a rotating shaft, a flexible wire and a flexible wire control mechanism, wherein the first clamping strip and the second clamping strip are connected together through the rotating shaft, the flexible rubber sleeve is sleeved on the outer sides of the first clamping strip and the second clamping strip, one end of the connecting pipe is connected to the flexible rubber sleeve, the other end of the connecting pipe is connected to the handle, the flexible wire control mechanism is arranged on the handle, the flexible wire is inserted in the connecting pipe, one end of the flexible wire is connected to the first clamping strip, and the other end of the flexible wire is connected to the flexible wire control mechanism.

The technical scheme adopted by the utility model for solving the technical problems further comprises the following steps:

The first clamping strip is fixedly provided with a first supporting block, the first supporting block is provided with a hanging hole, and the flexible wire end head is tied at the hanging hole or hung at the hanging hole.

The second clamping strip is fixedly provided with a second supporting block, the second supporting block is provided with a through hole, and the flexible wire passes through the through hole.

And a third supporting block is fixedly arranged on the first clamping strip or the second clamping strip, and a wire groove is formed in the third supporting block.

The soft rubber sleeve is externally and fixedly provided with a first clamping pad and a second clamping pad, the first clamping pad is arranged corresponding to the first clamping strip, and the second clamping pad is arranged corresponding to the second clamping strip.

The elastic piece is fixedly arranged in the soft rubber sleeve and corresponds to the first clamping strip and the second clamping strip.

The connecting pipe is internally provided with a threading hole, the end of the connecting pipe is inserted into the flexible rubber sleeve, the second clamping strip abuts against the end position of the connecting pipe, and the size of the threading hole is smaller than that of the second clamping strip.

The handle is hollow structure, the end cover is installed in handle end position department, has offered the installation shaft hole on the handle, installs the installation axle in the installation shaft hole interpolation, installs the clamp plate outside the handle through the installation axle, has offered the wire hole on the handle, flexible silk end is worn out to the handle outside from wire hole to connect on the clamp plate, be provided with the spring between handle and the clamp plate, spring one end supports the handle, the other end supports the clamp plate, spring and flexible silk fixed position set up in the installation axle both sides respectively.

The handle be hollow structure, handle end position department install the end cover, fixed mounting has the circuit board in the handle, is provided with motor control circuit on the circuit board, fixed mounting has linear electric motor on the circuit board, linear electric motor installs the motor shaft in the interpolation, flexible silk end fixed connection is on the motor shaft, fixed mounting has the battery in the handle, the battery is connected with the circuit board electricity, has seted up the mouth that charges on the handle, fixed mounting has the button mounting panel in the handle, button mounting panel is connected with the circuit board electricity, installs the button on the button mounting panel.

The handle be hollow structure, handle end position department install the end cover, fixed mounting has the circuit board in the handle, be provided with ultrasonic flowmeter circuit on the circuit board, be provided with ultrasonic flow probe on first grip pad or the second grip pad, ultrasonic flow probe alternates in the connecting pipe with the circuit board electricity through ultrasonic flow probe wire and is connected, fixed mounting has linear electric motor on the circuit board, linear electric motor installs the motor shaft in the interpolation, flexible silk end fixed connection is on the motor shaft, fixed mounting has the battery in the handle, the battery is connected with the circuit board electricity, the mouth that charges has been seted up on the handle, the display screen mounting hole has been seted up on the handle, display screen mounting hole department installs the display screen, the display screen is connected with the circuit board electricity, the switch mounting hole has been seted up on the handle, switch mounting hole department installs the switch.

The utility model has the beneficial effects that the utility model can enter the abdominal cavity through the micro-wound, the clamp body is controlled by the clamp body control handle to clamp the hepatic duodenal ligament, the operation is relatively simple and convenient, and the interference and the damage risk to other organs in the abdominal cavity are reduced. Meanwhile, complex operations such as piercing members in the prior art are avoided, and the operation difficulty and risk are reduced.

According to the utility model, through the cooperation of the ultrasonic flow probe and the ultrasonic flowmeter, the blood flow condition can be accurately monitored in real time, so that a doctor can more accurately control the time and the duration of blocking and opening the blood flow of the pneumatic pressure air bag according to the actual operation requirement, the problems of excessive ischemia or excessive hemorrhage of the liver are effectively avoided, and the operation risk is reduced. The utility model cooperates with the control assembly, can automatically control the clamp body to work according to the preset blocking interval and blood flow data, realizes the automatic adjustment of blood flow blocking and conduction, reduces the error and complicated steps of manual operation, and improves the operation efficiency and safety.

The utility model will be further described with reference to the drawings and detailed description.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present utility model.

Fig. 2 is a schematic diagram of an exploded structure according to an embodiment of the utility model.

Fig. 3 is a schematic three-dimensional structure of an embodiment of the utility model.

FIG. 4 is a diagram illustrating a structure of a decomposition state according to an embodiment of the present utility model.

Fig. 5 is a schematic three-dimensional structure of an embodiment of the present utility model.

Fig. 6 is a schematic diagram of a three-exploded-state structure according to an embodiment of the present utility model.

FIG. 7 is a schematic cross-sectional view of a head portion according to the present utility model.

In the drawing, a 1-flexible rubber sleeve, a 2-handle, a 3-end cover, a 4-connecting pipe, a 5-first clamping pad, a 6-second clamping pad, a 7-first clamping strip, a 8-second clamping strip, a 9-first supporting block, a 10-second supporting block, a 11-third supporting block, a 12-hanging hole, a 13-through hole, a 14-rotating shaft, a 15-elastic sheet, a 16-threading hole, a 17-pressing plate, a 18-mounting shaft, a 19-mounting shaft hole, a 20-spring, a 21-wire outlet hole, a 22-button, a 23-button mounting plate, a 24-circuit board, a 25-battery, a 26-linear motor, a 27-motor shaft, a 28-switch, a 29-display screen, a 30-display screen mounting hole, a 31-switch mounting hole, a 32-ultrasonic flow probe, a 33-flexible wire and a 34-ultrasonic flow probe wire.

Detailed Description

This example is a preferred embodiment of the present utility model, and other principles and basic structures are the same as or similar to those of this example, and all fall within the scope of the present utility model.

Referring to fig. 1 to 7, the present utility model provides an automatic adjusting hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device, mainly used in liver operation, the blood flow on-off device mainly comprises a flexible rubber sleeve 1, a handle 2, a connecting pipe 4, a first clamping strip 7, a second clamping strip 8, a rotating shaft 14, a flexible wire 33 and a flexible wire control mechanism, wherein the first clamping strip 7 and the second clamping strip 8 are connected together through the rotating shaft 14, so that the first clamping strip 7 and the second clamping strip 8 can relatively rotate along the rotating shaft 14, the rubber sleeve 1 is sleeved outside the first clamping strip 7 and the second clamping strip 8, one end of the connecting pipe 4 is connected to the rubber sleeve 1, the other end is connected to the handle 2, the flexible wire control mechanism is arranged on the handle 2, the flexible wire 33 is inserted in the connecting pipe 4, one end of the flexible wire 33 is connected to the first clamping strip 7, the other end is connected to the flexible wire control mechanism, the flexible wire 33 can be pulled through the flexible wire 33, the first clamping strip 7 can relatively rotate along the rotating shaft 14, the hepatic ligament or hepatic ligament can not be clamped by the hepatic ligament or hepatic artery.

In the embodiment, a first supporting block 9 is fixedly arranged on a first clamping strip 7, a hanging hole 12 is formed in the first supporting block 9, the end of a flexible wire 33 is tied at the hanging hole 12 or hung at the hanging hole 12, a second supporting block 10 is fixedly arranged on a second clamping strip 8, a through hole 13 is formed in the second supporting block 10, the flexible wire 33 penetrates through the through hole 13, and the flexible wire 33 can be processed through the through hole 13, so that the flexible wire 33 is prevented from being messy inside the flexible rubber sleeve 1. In this embodiment, a third supporting block 11 is fixedly disposed on the first clamping strip 7 or the second clamping strip 8, a wire groove (not shown in the figure) is formed in the third supporting block 11, the flexible wire 33 is disposed in the guiding groove, and the flexible wire can play a guiding role when stretching and contracting, so that the flexible wire cannot be messy, in this embodiment, the third supporting block 11 is disposed on the first clamping strip 7, and in specific implementation, the third supporting block 11 can also be disposed on the second clamping strip 8.

In this embodiment, the first clamping strip 7 and the second clamping strip 8 are made of rigid materials, and can be made of medical stainless steel or medical hard plastics, and the first clamping strip 7 and the second clamping strip 8 are arc-shaped, so that a certain guiding effect can be achieved in the clamping process, and the clamping of blood vessels can be prevented from being too tight, and damage to the blood vessels is caused.

In this embodiment, the flexible rubber sleeve 1 is made of silica gel, has soft characteristics, is nontoxic and harmless to human body, and can be made of other nontoxic flexible materials. In this embodiment, the flexible glue sleeve 1 is externally and fixedly provided with a first clamping pad 5 and a second clamping pad 6, the first clamping pad 5 is arranged corresponding to the first clamping strip 7, the second clamping pad 6 is arranged corresponding to the second clamping strip 8, the first clamping pad 5 and the second clamping pad 6 are made of flexible materials, and can be integrally arranged with the flexible glue sleeve 1, and in specific implementation, an airbag structure and the like can also be adopted.

In this embodiment, the inside fixed shell fragment 15 that is provided with of flexible gum cover 1, shell fragment 15 correspond to first grip strip 7 and second grip strip 8 position department setting, and the accessible shell fragment 15 maintains the state of straightening of first grip strip 7 and second grip strip 8, inserts the human body more easily when using, when not needing the centre gripping blood vessel or need blood supply, and shell fragment 15 can make first grip strip 7 and second grip strip 8 open the operation more stable, reliable.

In this embodiment, the connecting tube 4 is made of a material that is nontoxic to human body, such as silica gel, PP, etc., and a threading hole 16 is formed in the connecting tube 4 for passing through the flexible wire 33, the end of the connecting tube 4 is inserted into the flexible rubber sleeve 1, the second clamping strip 8 abuts against the end of the connecting tube 4, and the size of the threading hole 16 is smaller than that of the second clamping strip 8, so that the first clamping strip 7 and the second clamping strip 8 can be prevented from being pulled into the connecting tube 4.

The handle portion of the present utility model may be embodied in three ways:

First, the present embodiment is a manual mode, please refer to fig. 1 and fig. 2 in combination, in this embodiment, the handle 2 is of a hollow structure, which is convenient for installing the flexible wire 33, and the end cover 3 is installed at the end position of the handle 2. In this embodiment, the handle 2 is provided with a mounting shaft hole 19, a mounting shaft 18 is inserted into the mounting shaft hole 19, the outside of the handle 2 is provided with a pressing plate 17 through the mounting shaft 18, and the pressing plate 17 can rotate along the mounting shaft 18. In this embodiment, the handle 2 is provided with a wire outlet hole 21, the end of the flexible wire 33 passes through the wire outlet hole 21 to the outside of the handle 2 and is connected to the pressing plate 17, and the pressing plate 17 can pull the flexible wire 33 to move.

In this embodiment, a spring 20 is disposed between the handle 2 and the pressing plate 17, one end of the spring 20 abuts against the handle 2, the other end abuts against the pressing plate 17, the pressing plate 17 can be pushed to reset by the spring 20, and fixing positions of the spring 20 and the flexible wire 33 are respectively disposed at two sides of the mounting shaft 18, so as to form a rocker structure.

In the second embodiment, the handle 2 is of a hollow structure, which is convenient for installing the flexible wire 33 and the internal structural components, and the end cover 3 is installed at the end position of the handle 2. In this embodiment, a circuit board 24 is fixedly installed in the handle 2, a motor control circuit is arranged on the circuit board 24, a linear motor 26 is fixedly installed on the circuit board 24, a motor shaft 27 is inserted into the linear motor 26, the end of a flexible wire 33 is fixedly connected to the motor shaft 27, and the motor shaft 27 can be driven to move back and forth through the linear motor 26, and the flexible wire 33 is pulled to move through the motor shaft 27.

In this embodiment, a battery 25 is fixedly installed in the handle 2, the battery 25 is electrically connected with the circuit board 24, the battery 25 can supply power to the present utility model, the battery 25 can be a lithium battery, a charging port (not shown in the figure) is formed in the handle 2, and the battery 25 is charged through the charging port.

In this embodiment, a key mounting plate 23 is fixedly mounted in the handle 2, the key mounting plate 23 is electrically connected with a circuit board 24, a key 22 is mounted on the key mounting plate 23, the on/off of the present utility model can be controlled by the key 22, and the operation of tightening or loosening the flexible wire 33 can be performed, and when the present utility model is implemented, a touch key or a touch screen can be used instead of the key 22.

In the third embodiment, the handle 2 is of a hollow structure, which is convenient for installing the flexible wire 33 and the internal structural components, and the end cover 3 is installed at the end position of the handle 2. In this embodiment, a circuit board 24 is fixedly installed in the handle 2, an ultrasonic flowmeter circuit is provided on the circuit board 24, an ultrasonic flow probe 32 is provided on the first clamping pad 5 or the second clamping pad 6, the ultrasonic flow probe 32 is electrically connected with the circuit board 24 through an ultrasonic flow probe wire 34 (the ultrasonic flow probe wire 34 is inserted in the connecting pipe 4), a linear motor 26 is fixedly installed on the circuit board 24, a motor shaft 27 is inserted in the linear motor 26, the end of a flexible wire 33 is fixedly connected on the motor shaft 27, the motor shaft 27 can be driven to move back and forth by the linear motor 26, the flexible wire 33 is pulled to move by the motor shaft 27, and a path of switching value signal is led out from a control chip in the ultrasonic flowmeter circuit to be connected with the linear motor 26 to control the linear motor 26 to work.

In this embodiment, the handle 2 is provided with a display screen mounting hole 30, the display screen mounting hole 30 is provided with a display screen 29, the display screen 29 is electrically connected with the circuit board 24, the display screen 29 can display detection data of the ultrasonic flow probe 32 and other information, and the display screen 29 can also adopt a small-sized touch screen, and the operation of the utility model can be controlled through the touch screen. In this embodiment, the handle 2 is provided with a switch mounting hole 31, the switch mounting hole 31 is provided with a switch 28, the switch 28 can be a touch switch or a key switch, and the switch 28 can be used for controlling the on-off operation of the present utility model.

In use, the ultrasonic flow probe 32 detects the amount of blood flowing through the blood vessel, when the set metering is reached, the linear motor 26 is controlled to be started, the flexible wire 33 is tensioned, the first clamping strip 7 and the second clamping strip 8 clamp the blood vessel, when the set time is reached, the linear motor 26 is controlled to loosen the flexible wire 33 for bleeding, and the process is repeated, so that automatic control is realized.

When in use, the utility model can be divided into the following stages:

(1) In the operation preparation stage, the utility model is strictly disinfected before liver operation, so as to ensure that the utility model meets the requirement of operation sterility. At the same time, it is checked whether the power supply is sufficient, whether the connection of the components is stable.

(2) During operation, a doctor guides the soft rubber sleeve 1 of the utility model into the abdominal cavity through a micro-wound, accurately aligns with the portal vein or hepatic artery of the hepatic duodenal ligament, and pulls the flexible wire 33 to clamp the portal vein or hepatic artery of the hepatic duodenal ligament.

(3) And (3) after the operation is finished, taking the medical waste treatment device out of the abdominal cavity and treating the medical waste treatment device according to medical waste treatment specifications. For the reusable part, cleaning, disinfecting and maintenance are performed for the next use.

The utility model can enter the abdominal cavity through the micro-wound, and the clamp body is controlled by the clamp body control handle to clamp the hepatic duodenal ligament, so that the operation is relatively simple and convenient, and the interference and damage risk to other organs in the abdominal cavity are reduced. Meanwhile, complex operations such as piercing members in the prior art are avoided, and the operation difficulty and risk are reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. An automatic blood flow on-off device for adjusting hepatic and duodenal ligament portal vein and hepatic artery is characterized by comprising a flexible rubber sleeve (1), a handle (2), a connecting pipe (4), a first clamping strip (7), a second clamping strip (8), a rotating shaft (14), a flexible wire (33) and a flexible wire control mechanism, wherein the first clamping strip (7) and the second clamping strip (8) are connected together through the rotating shaft (14), the flexible rubber sleeve (1) is sleeved outside the first clamping strip (7) and the second clamping strip (8), one end of the connecting pipe (4) is connected to the flexible rubber sleeve (1), the other end of the connecting pipe is connected to the handle (2), the flexible wire control mechanism is arranged on the handle (2), the flexible wire (33) is inserted in the connecting pipe (4), one end of the flexible wire (33) is connected to the first clamping strip (7), and the other end of the flexible wire is connected to the flexible wire control mechanism.

2. The automatic regulating hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device according to claim 1, wherein a first supporting block (9) is fixedly arranged on the first clamping strip (7), a hanging hole (12) is formed in the first supporting block (9), and the end of the flexible wire (33) is fastened at the hanging hole (12) or is hung at the hanging hole (12).

3. The automatic regulating hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device according to claim 1, wherein the second clamping strip (8) is fixedly provided with a second supporting block (10), the second supporting block (10) is provided with a through hole (13), and the flexible wire (33) passes through the through hole (13).

4. The automatic regulating hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device according to claim 1, wherein a third supporting block (11) is fixedly arranged on the first clamping strip (7) or the second clamping strip (8), and the third supporting block (11) is provided with a wire groove.

5. The automatic regulating hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device according to claim 1, wherein a first clamping pad (5) and a second clamping pad (6) are fixedly arranged outside the flexible rubber sleeve (1), the first clamping pad (5) is arranged corresponding to the first clamping strip (7), and the second clamping pad (6) is arranged corresponding to the second clamping strip (8).

6. The automatic regulating hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device according to claim 1 is characterized in that an elastic sheet (15) is fixedly arranged in the soft rubber sleeve (1), and the elastic sheet (15) is arranged at the position corresponding to the first clamping strip (7) and the second clamping strip (8).

7. The automatic regulating hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device according to claim 1, wherein a threading hole (16) is formed in the connecting pipe (4), the end of the connecting pipe (4) is inserted into the flexible rubber sleeve (1), the second clamping strip (8) abuts against the end position of the connecting pipe (4), and the size of the threading hole (16) is smaller than that of the second clamping strip (8).

8. The automatic regulating hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device according to claim 1, wherein the handle (2) is of a hollow structure, the end cover (3) is arranged at the end position of the handle (2), the handle (2) is provided with a mounting shaft hole (19), the mounting shaft (18) is inserted in the mounting shaft hole (19), the outside of the handle (2) is provided with the pressing plate (17) through the mounting shaft (18), the handle (2) is provided with the wire outlet hole (21), the end of the flexible wire (33) penetrates out of the wire outlet hole (21) to the outside of the handle (2) and is connected to the pressing plate (17), a spring (20) is arranged between the handle (2) and the pressing plate (17), one end of the spring (20) props against the handle (2), the other end props against the pressing plate (17), and the spring (20) and the fixing positions of the flexible wire (33) are respectively arranged on two sides of the mounting shaft (18).

9. The automatic regulating hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device according to claim 1, wherein the handle (2) is of a hollow structure, the end cover (3) is arranged at the end position of the handle (2), the circuit board (24) is fixedly arranged in the handle (2), the motor control circuit is arranged on the circuit board (24), the linear motor (26) is fixedly arranged on the circuit board (24), the motor shaft (27) is internally arranged in the linear motor (26), the end of the flexible wire (33) is fixedly connected to the motor shaft (27), the battery (25) is fixedly arranged in the handle (2), the battery (25) is electrically connected with the circuit board (24), the charging port is formed in the handle (2), the key mounting plate (23) is electrically connected with the circuit board (24), and the key (22) is arranged on the key mounting plate (23).

10. The automatic regulating hepatic duodenal ligament portal vein and hepatic artery blood flow on-off device according to claim 1, wherein the handle (2) is of a hollow structure, the end cover (3) is arranged at the end position of the handle (2), the circuit board (24) is fixedly arranged in the handle (2), an ultrasonic flowmeter circuit is arranged on the circuit board (24), the ultrasonic flow probe (32) is arranged on the first clamping pad (5) or the second clamping pad (6), the ultrasonic flow probe (32) is inserted in the connecting pipe (4) through an ultrasonic flow probe wire (34) and electrically connected with the circuit board (24), the linear motor (26) is fixedly arranged on the circuit board (24), the motor shaft (27) is inserted in the linear motor (26), the end of the flexible wire (33) is fixedly connected with the motor shaft (27), the battery (25) is fixedly arranged in the handle (2), the charging port is arranged on the handle (2), the display screen mounting hole (30) is arranged on the handle (2), the display screen mounting hole (29) is arranged on the display screen (30), the display screen (29) is arranged on the display screen (2), the display screen (29) is arranged on the display screen (31), a switch (28) is arranged at the switch mounting hole (31).