CN221180639U - Forearm supporting mechanism and device for liver and gall surgery - Google Patents

Abstract

The utility model discloses a fixed technical field in operation position discloses a forearm supporting mechanism and device for liver and gall operation, include: a column assembly; the fixed end of the beam telescopic rod assembly is connected with the top of the upright post assembly; the hand supporting assembly is positioned below the beam telescopic rod assembly and is connected with the beam telescopic rod assembly; the hand supporting assembly comprises a supporting plate, and at least one side of the supporting plate is connected with the beam telescopic rod assembly; the hand supporting component also comprises an air bag covered on the top surface of the supporting plate, and the bottom of the air bag is connected with the supporting plate. According to the utility model, the patient forearm is supported by adding the air bag, so that the phenomenon that the edge is easy to cause a trace and blood smoothness is influenced is effectively avoided; the hand supporting component moves with the forearm through the beam telescopic rod component until the elbow of the arm of the patient abuts against the opposite side of the upright post component, and the forearm is effectively prevented from falling off due to natural sagging of the arm.

Description

Forearm supporting mechanism and device for liver and gall surgery

Technical Field

The utility model relates to a forearm supporting mechanism and device for liver and gall surgery, and belongs to the technical field of surgery position fixing.

Background

Hepatobiliary surgery is a surgical procedure used to treat liver and gallbladder related diseases. These procedures may include the following: 1. cholecystectomy (cholecystectomy): this is one of the most common hepatobiliary procedures, and is used for the treatment of cholecystolithiasis, cholecystitis and other related disorders. During surgery, the gallbladder may be completely or partially resected. 2. Hepatectomy (liver lobe resection): this is a surgical procedure in which a portion of liver tissue is removed. Hepatectomy is commonly used to treat liver diseases such as liver cancer, hepatic hemangioma, and the like. The scope of surgery may be partial liver lobe, hemi-liver resection, or even total liver resection (liver transplantation). 3. Bile duct surgery: this includes procedures for surgical repair or reconstruction of bile ducts for the treatment of bile duct stones, cholangitis, bile duct stenosis, etc. 4. Hepatic cyst drainage: in the case of an intrahepatic cyst, fluid within the cyst may be withdrawn or drained by surgery to relieve symptoms. 5. Hepatoma embolization: this is an interventional procedure that treats hepatomas by directing cytotoxic substances (such as chemotherapeutic drugs) in the hepatic artery.

These hepatobiliary procedures require anesthesia by specialized surgeons and medical teams. Before an operation, a patient lies on a sickbed, arms are usually required to be lifted, the forearms are bent to face the head in parallel, and then the forearms are suspended and fixed through a bracket; the purpose of this is to: 1. the patient can keep a lateral position of the patient, so that the doctor can operate easily, and the hands of the patient can not be squeezed; 2. the suspended forearm can effectively keep blood unobstructed, and simultaneously can keep the front of the forearm exposed for transfusion.

The utility model provides an anesthesia holds in palm integrative frame of hand, includes anesthesia pole and holds in the palm the hand pole, anesthesia pole is L type pole, including vertical portion and horizontal portion, and the bottom of the vertical portion of anesthesia pole is provided with fixed clamping jaw, still is provided with the cylinder pair on the vertical portion of anesthesia pole, and cylinder pair one side is provided with swing joint to be connected with holding in the palm the hand pole through swing joint, be provided with on the palm the hand pole and hold in the palm the hand device, through the combined action of cylinder pair, swing joint and holding in the palm the hand towel, make medical staff need not bear the weight of patient's arm when adjusting to hold in the palm the hand towel position. Although the forearm support to liver and gall operation can be realized to this patent, because the arm is in the anesthesia state, receives self gravity effect, easily takes place to drop from holding in the palm the towel, and easily causes the trace of reining in holding in the palm the edge of towel, influences blood smoothness.

Aiming at the existing problems, innovation is urgently needed on the basis of the original technology.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide a forearm supporting mechanism and device for liver and gall surgery, which adopt an air bag to support the forearm of a patient, thereby effectively avoiding the phenomenon that the edge is easy to cause a trace and affecting the blood smoothness; the hand supporting component moves with the forearm through the beam telescopic rod component until the elbow of the arm of the patient abuts against the opposite side of the upright post component, and the forearm is effectively prevented from falling off due to natural sagging of the arm.

In order to achieve the above object, a forearm support mechanism for hepatobiliary surgery, comprising: a column assembly; the fixed end of the beam telescopic rod assembly is connected with the top of the upright post assembly; the hand supporting assembly is positioned below the beam telescopic rod assembly and is connected with the beam telescopic rod assembly; the hand supporting assembly comprises a supporting plate, and at least one side of the supporting plate is connected with the beam telescopic rod assembly; the hand support assembly further comprises an air bag which covers the top surface of the supporting plate, and the bottom of the air bag is connected with the supporting plate.

Further, as a more preferable embodiment of the utility model, the beam telescopic rod assembly comprises a fixed cross rod and a movable barrel rod, wherein the movable barrel rod is sleeved at one end of the fixed cross rod and is in sliding connection with the fixed cross rod; the other end of the fixed cross rod is rotationally connected with the upright post component.

The upright post assembly comprises a fixed shaft, one end of the fixed shaft is provided with a limiting seat, the limiting seat is provided with a meshing saw tooth I, and the other end of the fixed shaft is provided with threads;

The fixed cross rod is provided with a rotating groove matched with the fixed shaft, the fixed cross rod is sleeved into the fixed shaft through the rotating groove so as to be in rotary connection with the upright post assembly, and an engaging saw tooth II matched with the engaging saw tooth I is arranged on one side of the fixed cross rod opposite to the engaging saw tooth I;

The crossbeam telescopic rod assembly further comprises a limit nut matched with the thread, the limit nut is screwed into the thread, and the engagement saw tooth II is engaged with the engagement saw tooth I and locked.

Further, as a more preferable embodiment of the present utility model, an air pump is further included, which communicates with the air bag through a pipe. The pipeline is connected to one side of the air bag from the air outlet port of the air pump

Further, as a more preferred embodiment of the present utility model, the pallet is provided with a rail for palm grasping at an end remote from the column assembly. One end of the supporting rod is rotatably connected with the supporting plate, and the other end of the supporting rod is abutted to the supporting rod).

Further, as a more preferred embodiment of the present utility model, the top of the pallet is provided with a strap.

Further, as a more preferable embodiment of the utility model, the upright post assembly comprises an upright post and a telescopic cylinder matched with the upright post, the telescopic cylinder is sleeved into the upright post, one side of the telescopic cylinder is provided with a limit bolt, and the limit bolt is screwed into the telescopic cylinder, so that the front end of the limit bolt is propped against one side of the upright post to form limit.

Further, as a more preferred embodiment of the present utility model, the upright assembly is provided with a pad body at a side close to the hand supporting assembly.

Based on the same inventive concept, the utility model also provides a forearm supporting device for liver and gall surgery, which is detachably arranged on a sickbed and can slide along the sickbed to adjust the position supporting position:

a forearm support device for hepatobiliary surgery comprising the forearm support mechanism described above; the top of the sliding seat is rotatably connected with the upright post component of the forearm supporting mechanism; the sliding rail is matched with the sliding seat and is detachably connected with one side of the sickbed; the sliding seat is connected with the sliding rail in a sliding way.

Further, as a more preferable embodiment of the present utility model, the sliding seat is U-shaped, and the sliding seat is blocked into the sliding rail in an inverted manner; the bottom of the sliding rail is provided with straight teeth, and a gear meshed with the straight teeth is arranged in the sliding seat; the outside of the sliding seat is provided with an adjusting bolt, and the adjusting bolt extends to the inside of the sliding seat and is fixedly connected with the middle part of the gear.

Further, as a more preferable embodiment of the utility model, a positioning sliding groove is arranged in the middle of the sliding rail, the sliding seat is provided with a sliding rod matched with the positioning sliding groove, and the sliding rod is clamped into the positioning sliding groove.

Compared with the prior art, the beneficial effects are as follows:

1. According to the utility model, the patient forearm is supported by adding the air bag, so that the phenomenon that the edge is easy to cause a trace and blood smoothness is influenced is effectively avoided; the hand supporting component moves along with the forearm through the beam telescopic rod component until the elbow of the arm of the patient abuts against the opposite side of the upright post component, so that the forearm is effectively prevented from falling off due to natural sagging of the arm; therefore, one side of the patient is kept, the operation of a doctor is easy, and the hand of the patient is not extruded; meanwhile, the suspended forearm can effectively keep blood unobstructed, and simultaneously the front surface of the forearm can be kept bare for transfusion.

2. According to the utility model, the beam telescopic rod assembly and the upright post assembly are rotatably connected, the beam telescopic rod assembly is rotatably connected with the sliding seat, before a patient lies in bed, the beam telescopic rod assembly can be firstly moved to one side of a sickbed, after the patient lies down, the beam telescopic rod assembly is moved to a position right above the upper body of the patient, the beam telescopic rod assembly is moved to a position suitable for placing the forearm of the patient by rotating the adjusting bolt of the sliding seat, the limit of the beam telescopic rod assembly is released, the beam telescopic rod assembly is lifted up along the upright post assembly, the hand supporting assembly is lifted up together, the forearm of the patient can be inserted into the hand supporting assembly after being lifted up, the telescopic rod assembly is lowered to the hand supporting assembly and the bed body are parallel, and the beam telescopic rod assembly is limited, so that the forearm of the patient can be supported, the humanized setting is realized, and the operation is simple.

3. The sliding rail is detachable, the original sickbed is reserved, and the bolt hole site can be arranged on one side to install the sliding rail, so that the sliding rail is widely applicable.

4. The air pump is used for adjusting the wrapping degree of the air bag, and the air in the air bag can be properly increased or decreased according to the size of the arms of a patient so as to adapt to the arms of different patients.

5. The utility model adds the support rod, which is used for holding the palm of a patient, supporting the opposite sides of the upright post component by matching with the elbow of the arm of the patient, effectively fixing the forearm of the patient on the supporting plate of the hand supporting component, and has better fixing effect.

Drawings

FIG. 1 is a schematic view of the forearm support mechanism according to example 1;

FIG. 2 is a schematic view of a rotational limit structure of a beam telescoping rod assembly;

FIG. 3 is a schematic view of the hand support assembly being turned to the middle of the patient bed;

FIG. 4 is a schematic view of the forearm support device according to example 2;

Fig. 5 is a schematic view showing a semi-sectional structure of the sliding seat in embodiment 2.

Reference numerals:

1-upright post component, 11-fixed shaft, 12-limit seat, 13-engagement saw tooth I, 14-limit nut, 15-upright post, 16-telescopic cylinder, 161-angle scale, 17-limit bolt, 18-pad body, 2-beam telescopic rod component, 21-fixed cross rod, 211-bending angle indicator needle, 22-movable cylinder rod, 3-handle component 31-supporting plate, 32-air bag, 33-supporting rod, 34-binding belt, 4-air pump, 5-sliding seat, 51-gear, 52-adjusting bolt, 53-sliding rod, 6-sliding rail, 61-straight tooth, 62-positioning sliding groove and 7-sickbed.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present application, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It is noted that when an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or components referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the application, which is defined by the claims, but rather by the claims, unless otherwise indicated, and that any structural modifications, proportional changes, or dimensional adjustments, which would otherwise be apparent to those skilled in the art, would be made without departing from the spirit and scope of the application.

Examples

This embodiment is intended to promote and solve the arm and be in the anesthesia state, receives self gravity effect, easily takes place to drop from current support, and the support edge easily causes the trace of reining in, influences blood circulation.

Referring to fig. 1-3, a forearm support mechanism for use in hepatobiliary surgery, comprising:

A column assembly 1; the fixed end of the beam telescopic rod assembly 2 is connected with the top of the upright post assembly 1; the hand supporting component 3 is positioned below the beam telescopic rod component 2, and the hand supporting component 3 is connected with the beam telescopic rod component 2; the hand supporting assembly 3 comprises a supporting plate 31, and at least one side of the supporting plate 31 is connected with the beam telescopic rod assembly 2; the hand rest assembly 3 further comprises an air bag 32 covering the top surface of the pallet 31, and the bottom of the air bag 32 is connected with the pallet 31.

It should be noted that, the supporting plate 31 in this embodiment is U-shaped, and the U-shaped opening of the supporting plate 31 is upward. The utility model aims to improve the wrapping property of the forearm, the bearing effect is better, the forearm cylinder type physiological structure is more attached, the area at the top of the U type can be exposed, and the U type is used for the movable space of the transfusion tube.

The beam telescopic rod assembly 2 comprises a fixed cross rod 21 and a movable barrel rod 22, wherein the movable barrel rod 22 is sleeved at one end of the fixed cross rod 21 and is in sliding connection with the fixed cross rod 21; the other end of the fixed cross bar 21 is rotatably connected with the upright post assembly 1.

The purpose of the rotational connection method is as follows: when the limit of the beam telescopic rod assembly 2 is released, the beam telescopic rod assembly 2 is lifted along the upright post assembly 1, the hand supporting assembly 3 is lifted together, the forearm of a patient can be inserted into the supporting plate 31 of the hand supporting assembly 3 in a penetrating manner, the telescopic rod assembly is lowered to be parallel to the bed body, the forearm of the patient can be supported on the air bag 32, the beam telescopic rod assembly 2 is limited, the forearm of the patient can be supported, humanized setting is achieved, and the complicated step that the arm is bent and penetrated to the hand supporting assembly 3 by the patient is omitted.

Referring to fig. 2, the rotation limitation of the beam telescopic rod assembly 2 according to this embodiment is implemented as follows: the upright post assembly 1 comprises a fixed shaft 11, wherein one end of the fixed shaft 11 is provided with a limiting seat 12, the limiting seat 12 is provided with a meshing saw tooth I13, and the other end of the fixed shaft 11 is provided with threads;

The fixed cross bar 21 is provided with a rotating groove matched with the fixed shaft 11, the fixed cross bar 21 is sleeved into the fixed shaft 11 through the rotating groove so as to realize rotating connection with the upright post assembly 1, and the fixed cross bar 21 is provided with a meshing saw tooth II matched with the meshing saw tooth I13 at one side opposite to the meshing saw tooth I13;

The beam telescopic rod assembly 2 further comprises a limit nut 14 which is matched with the screw thread, and the limit nut 14 is screwed into the screw thread to engage and lock the engagement saw tooth II with the engagement saw tooth I13.

When the limiting nut 14 is unscrewed, the fixed cross rod 21 can slide out a distance along the fixed shaft 11, so that the fixed cross rod 21 can rotate randomly when the meshing saw tooth II and the meshing saw tooth I13 are separated from each other, and when limiting is needed, the fixed cross rod 21 is propped against by screwing the limiting nut 14, and the meshing saw tooth II and the meshing saw tooth I13 are meshed continuously, so that the limiting state of the fixed cross rod 21 is realized.

The forearm support mechanism of this embodiment also includes an air pump 44, the air pump 4 being in communication with the air bladder 32 via a conduit. The air pump 4 is arranged at the bottom of the beam telescopic rod assembly 2, and a pipeline is connected to one side of the air bag 32 from an air outlet port of the air pump 4. It should be noted that, the air bag 32 of this embodiment may be a medical TPU air bag, and the air bag 32 is provided with an inflation port, and the pipe is connected with the inflation port in an adaptive manner, and only when inflation is needed.

To increase the comfort of the patient's palm and to better secure the patient's forearm, the pallet 31 of this embodiment is provided with a rail 33 for palm gripping at the end remote from the column assembly 1. One side of the end part of the supporting plate 31 is provided with a receiving rod, one end of the supporting rod 33 is rotatably connected with the supporting plate 31, and the other end is abutted with the receiving rod. In use, the support rod 33 is rotatable about one end and the other end is mounted on the receiving rod, preferably with one end of the support rod 33 being hinged to the pallet 31 in a damped manner.

It should be added that the length of the supporting plate 31 in this embodiment is smaller than the length of the forearm of the patient, so that when the palm of the patient holds the armrest 33, the inner side of the elbow of the arm will not contact the supporting plate 31, i.e. will not prop against the inner side of the elbow, and the blood vessel inside the elbow will not be propped against, so that the blood circulation is smooth.

It should be added that the arm rest 33 of this embodiment can also adapt to the arm support of the patient in the lateral position, even if the supporting plate 31 is inclined, the forearm can be supported by the arm rest 33, so that the palm is prevented from slipping out of the supporting plate 31 in the natural state, and the inner side of the elbow is directly pressed on the supporting plate 31.

The top of the pallet 31 is provided with a strap 34. The binding band 34 of the embodiment is arranged at a position corresponding to the wrist of the patient, is made of elastic materials, and the port is flexibly fixed on the supporting plate 31 in a magic tape mode, so that the wrist of the patient is limited, and the limitation of the wrist of the patient is further improved.

The upright post assembly 1 comprises an upright post 15 and a telescopic cylinder 16 matched with the upright post 15, wherein the telescopic cylinder 16 is sleeved into the upright post 15, one side of the telescopic cylinder 16 is provided with a limit bolt 17, and the limit bolt 17 is screwed into the telescopic cylinder 16, so that the front end of the limit bolt 17 props against one side of the upright post 15 to form limit.

The upright post assembly 1 is provided with a cushion body 18 at one side close to the hand supporting assembly 3. It should be added that the cushion 18 is made of metal to prevent the skin of the elbow of the patient from directly contacting the pillar assembly 1.

It should be added that a bending angle indicator needle 211 is arranged at one side of the connecting part of the fixed cross bar 21 and the telescopic cylinder 16 of the upright post assembly 1; an angle scale 161 is arranged on one side of the telescopic cylinder 16 corresponding to the bending angle indicator needle 211; therefore, the bending angle of the elbow of the arm of the patient can be intuitively known.

It should be added that, in this embodiment, the supporting plate 31 is connected with the movable cylinder rod 22 through the connecting rod 311, as shown in fig. 1, 2 connecting rods 311 are respectively disposed at two sides of the supporting plate 31, the mounting positions of the connecting rods 311 are centrally disposed at one end close to the supporting rod 33, a hollow area is reserved between the 2 connecting rods 311, the upper part of the hollow area is used for setting the air pump 4, and two sides of the bottom of the hollow area are used for setting the binding bands; the installation position of the connecting rod 311 is intensively arranged at one end close to the armrest rod 33, so that the larger movable space of the supporting plate 31 at the elbow position is reserved, the installation process is avoided, and the forearm is blocked; and the medical staff can knead the elbow properly, avoid the elbow from being painful after the operation is finished due to the same action of the elbow for a long time.

In some embodiments, the balloon 32 includes a balloon body for supporting the forearm of the patient and a pinch balloon; the hand-pinching air bag is communicated with the air bag body through a pipeline, and is externally arranged at one side of the air bag body; the air bag 32 is filled with a certain amount of air through the air pump 4, when the air bag body supports the forearm of a patient, the air bag body is extruded and inflated, and the hand pinching air bag is inflated and inflated as well; medical personnel can pinch the gasbag through the hand in the operation process, pinch back and forth, inflate and deflate to the gasbag body back and forth, form back and forth inflation to realize the back and forth extrusion to patient's forearm, to alleviate the phenomenon that patient's forearm circulation of blood is unsmooth, avoid patient's forearm because put time overlength with a gesture, the circulation of blood is unsmooth, causes the condition such as postoperative discomfort.

Examples

The present embodiment is intended to provide a forearm support device for hepatobiliary surgery, which is detachably mounted on a hospital bed 7 and is slidably adjustable in position along the hospital bed 7.

Referring to fig. 4, a forearm support device for use in hepatobiliary surgery, comprising: the forearm support mechanism as described in example 1; the top of the sliding seat 5 is rotatably connected with the upright post component 1 of the forearm supporting mechanism; the sliding rail 6 is matched with the sliding seat 5, and the sliding rail 6 is detachably connected with one side of the sickbed 7; the sliding seat 5 is connected with the sliding rail 6 in a sliding way.

Referring to fig. 1, the sliding seat 5 is U-shaped, and is locked in the sliding rail 6 in an inverted manner; the bottom of the sliding rail 6 is provided with straight teeth 61, and the inside of the sliding seat 5 is provided with a gear 51 meshed with the straight teeth 61; the outside of the sliding seat 5 is provided with an adjusting bolt 52, and the adjusting bolt 52 extends to the inside of the sliding seat 5 and is fixedly connected with the middle part of the gear 51.

Referring to fig. 5, a positioning sliding groove 62 is formed in the middle of the sliding rail 6, a sliding rod 53 matched with the positioning sliding groove 62 is arranged on the sliding seat 5, and the sliding rod is clamped into the positioning sliding groove 62. The purpose of the slide bar 53 is to increase the stability of the sliding seat 5.

In some embodiments, the top of the sliding seat 5 can be additionally provided with a roller wheel which is in rolling connection with the top of the sliding rail 6; friction between the sliding seat 5 and the sliding rail 6 is reduced.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A forearm support mechanism for hepatobiliary surgery, comprising:

A column assembly (1);

The fixed end of the beam telescopic rod assembly (2) is connected with the top of the upright post assembly (1);

The hand supporting assembly (3) is positioned below the beam telescopic rod assembly (2), and the hand supporting assembly (3) is connected with the beam telescopic rod assembly (2);

The hand supporting assembly (3) comprises a supporting plate (31), and at least one side of the supporting plate (31) is connected with the beam telescopic rod assembly (2);

The hand support assembly (3) further comprises an air bag (32) covered on the top surface of the supporting plate (31), and the bottom of the air bag (32) is connected with the supporting plate (31).

2. Forearm support mechanism for hepatobiliary surgery according to claim 1, characterized in that the crossbeam telescopic rod assembly (2) comprises a fixed cross rod (21) and a movable cylindrical rod (22), the movable cylindrical rod (22) being sleeved on one end of the fixed cross rod (21) and slidingly connected to the fixed cross rod (21); the other end of the fixed cross rod (21) is rotationally connected with the upright post assembly (1).

3. Forearm support mechanism for hepatobiliary surgery according to claim 1, characterized in that it also comprises an air pump (4), said air pump (4) being in communication with said balloon (32) through a conduit.

4. Forearm support mechanism for hepatobiliary surgery according to claim 1, characterized in that the support plate (31) is provided with a rest bar (33) for palm grip at the end remote from the upright assembly (1).

5. Forearm support mechanism for hepatobiliary surgery according to claim 1, characterized in that the top of the support plate (31) is provided with a strap (34).

6. Forearm support mechanism for hepatobiliary surgery according to claim 1, characterized in that the upright assembly (1) comprises an upright (15) and a telescopic tube (16) adapted to the upright (15), the telescopic tube (16) is sleeved into the upright (15), one side of the telescopic tube (16) is provided with a limit bolt (17), the limit bolt (17) is screwed into the telescopic tube (16), so that the front end of the limit bolt (17) abuts against one side of the upright (15) to form a limit.

7. Forearm support mechanism for hepatobiliary surgery according to claim 1, characterized in that the upright assembly (1) is provided with a pad (18) on the side close to the hand support assembly (3).

8. A forearm support device for use in hepatobiliary surgery, comprising:

The forearm support mechanism of any of claims 1-7;

The top of the sliding seat (5) is rotatably connected with the upright post component (1) of the forearm supporting mechanism;

The sliding rail (6) is matched with the sliding seat (5), and the sliding rail (6) is detachably connected with one side of the sickbed; the sliding seat (5) is connected with the sliding rail (6) in a sliding way.

9. Forearm support device for hepatobiliary surgery according to claim 8, characterized in that the sliding seat (5) is U-shaped, with inverted snap-in to the sliding rail (6); the bottom of the sliding rail (6) is provided with straight teeth (61), and a gear (51) meshed with the straight teeth (61) is arranged in the sliding seat (5); the outer side of the sliding seat (5) is provided with an adjusting bolt (52), and the adjusting bolt (52) extends to the inside of the sliding seat (5) and is fixedly connected with the middle part of the gear (51).

10. Forearm support device for hepatobiliary surgery according to claim 9, characterized in that the middle of the slide rail (6) is provided with a positioning slide (62), the sliding seat (5) is provided with a slide bar (53) matching the positioning slide (62), which slide bar is snapped into the positioning slide (62).