Thoracic cavity double-joint operating forceps

Abstract

The utility model discloses thoracic cavity double-joint operating forceps which comprise a forceps rod, a push rod connected with the lower portion of the forceps rod in a sliding mode, a movable forceps head switching block connected with the end of the forceps rod in a rotating mode, a rotating type forceps head rod arranged on the movable forceps head switching block, and the lower portion of the movable forceps head switching block is connected with the push rod in a rotating mode. The end part of the push rod is also provided with a fixed tong head rod matched with the rotary tong head rod; the other end of the forceps rod is provided with a forceps rod connecting handle and a first handle, the other end of the push rod is provided with a movable handle, the end of the movable handle is provided with an adapter, the upper end and the lower end of the adapter are rotationally connected with the forceps rod and the push rod respectively, and the other end of the movable handle is provided with a second handle. And snake-head-shaped chucks are inserted into the end parts of the rotary forceps head rod and the fixed forceps head rod. The utility model has the characteristics that the plier head can be independently replaced and the replacement operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a thoracic surgery forceps, in particular to a thoracic double joint surgery forceps. BACKGROUND

[0002] With the continuous development of medical technology, the minimally invasive concept is paid more and more attention by patients, and the minimally invasive thoracic surgery is also paid more and more attention by more and more doctors and is introduced. The most commonly used surgical instrument of the minimally invasive surgery under the thoracoscope is a thoracic surgery forceps. In order to smoothly extend the surgery forceps into the thoracic cavity and operate, the existing thoracic surgery forceps generally adopts a double joint surgery forceps, which is convenient to pass through the incision. The forceps head of the double joint surgery forceps will appear wear and tear and other phenomena after being used for a period of time, and the forceps head of the existing double joint surgery forceps is generally integrated with the operating handle and can only replace the surgery forceps as a whole and cannot be simply replaced and reused. Therefore, the existing technology has the problem that the forceps head cannot be individually and conveniently replaced. SUMMARY

[0003] The utility model aims at providing a thoracic double joint surgery forceps. The utility model has the characteristics that the forceps head can be individually replaced and the replacement operation is convenient.

[0004] The utility model discloses a thoracic double joint surgery forceps, including the forceps lever, the lower side of forceps lever is equipped with the sliding connection's push rod, the end of forceps lever rotatory connection has the movable forceps head adapter block, is equipped with the rotatory type forceps head stem on movable forceps head adapter block, movable forceps head adapter block lower side and push rod between are rotatory connection, push rod end is equipped with still with rotatory type forceps head stem cooperation's fixed type forceps head stem, the other end of forceps lever is equipped with the forceps lever handle and first handle, push rod other end is equipped with the movable handle, the end of movable handle is equipped with the adapter, the upper and lower ends of adapter are rotatory connection with forceps lever and push rod respectively, movable handle other end is equipped with second handle, rotatory type forceps head stem and fixed type forceps head stem end all insert the snake head shape chuck.

[0005] The thoracic double joint surgery forceps has the characteristics that the forceps head can be individually replaced and the replacement operation is convenient.

[0006] The thoracic double joint surgery forceps has the characteristics that the forceps head can be individually replaced and the replacement operation is convenient.

[0007] The thoracic double joint surgery forceps has the characteristics that the forceps head can be individually replaced and the replacement operation is convenient.

[0008] Compared with the prior art, the snake head-shaped chuck is designed in a split type with the forceps head rod, and is fixed with the rotating forceps head rod and the fixed forceps head rod in a plug-in mode, so that when the forceps head needs to be replaced, only the chuck needs to be removed, and the surgical forceps does not need to be replaced as a whole, and the plug-in structure is simple and convenient to disassemble and assemble. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 is a structural schematic view of the utility model;

[0010] Figure 2 is a structural view of another view of the utility model;

[0011] Figure 3 is a structural view of two joints in an open state;

[0012] Figure 4 is a structural view of two joints in a closed state;

[0013] Figure 5 is an assembly view of the fixed forceps head rod or the rotating forceps head rod and the snake head-shaped chuck;

[0014] Figure 6 is Figure 5 is a partial enlarged view of

[0015] The marks in the drawings are: 1 - forceps rod, 2 - push rod, 3 - movable forceps head adapter block, 4 - rotating forceps head rod, 5 - fixed forceps head rod, 6 - forceps rod handle, 7 - first handle, 8 - movable handle, 9 - adapter, 10 - second handle, 11 - snake head-shaped chuck, 101 - main rod, 102 - curved rod, 103 - plug-in end, 104 - recess, 105 - spring, 106 - telescopic rod, 107 - positioning block, 111 - chuck main body, 112 - through hole, 113 - toothed structure, 114 - plug-in groove, 115 - plug-in opening, 171 - first inclined guide surface, 151 - second inclined guide surface. DETAILED DESCRIPTION

[0016] The utility model will be further described below in combination with the drawings and examples, but it is not as the basis for limiting the utility model.

[0017] Example. The thoracic double-joint surgical forceps is composed of Figures 1-6As shown, including the clamp bar 1, the clamp bar 1 below is provided with sliding connection push rod 2, the end of the clamp bar 1 rotatably connected with the movable tongs head adapter block 3, movable tongs head adapter block 3 is equipped with rotating tongs head rod 4, movable tongs head adapter block 3 below and push rod 2 are rotatably connected, push rod 2 end is equipped with with rotating tongs head rod 4 matched fixed tongs head rod 5;The other end of the clamp bar 1 is provided with clamp bar handle 6 and first handle 7, the other end of push rod 2 is provided with movable handle 8, movable handle 8 end is provided with adapter 9, the upper and lower ends of adapter 9 are rotatably connected with clamp bar 1 and push rod 2 respectively, the other end of movable handle 8 is provided with second handle 10;The end of rotating tongs head rod 4 and fixed tongs head rod 5 is inserted with snake head-shaped chuck 11.

[0018] The rotating tongs head rod 4 and the fixed tongs head rod 5 all include a main rod 101, the end of the main rod 101 is provided with a curved rod 102, the end of the curved rod 102 is provided with a cross-shaped insertion end 103, the upper and lower sides of the middle part of the insertion end 103 are provided with grooves 104, the grooves 104 are provided with springs 105 and telescopic rods 106, and the end of the telescopic rod 106 is provided with a positioning block 107.

[0019] The snake head-shaped chuck 11 includes a chuck main body 111, the middle part of the chuck main body 111 is provided with a through hole 112, and the inner wall surface of the chuck main body 111 is provided with a tooth-shaped structure 113; the end of the chuck main body 111 is provided with a cross-shaped insertion slot 114, and the upper and lower sides in the insertion slot 114 are provided with corresponding insertion openings 115.

[0020] The upper half of the insertion side of the positioning block 107 is provided with a first inclined guide surface 171, and the lower half of the pulling-out end of the insertion opening 115 is provided with a second inclined guide surface 151.

[0021] The through hole arranged on the chuck main body can be used for lymph node biopsy, that is, as a lymph biopsy clamp.

[0022] The bending angle between the curved rod and the main rod is 25 degrees.

[0023] The insertion process between the snake head-shaped chuck and the rotating tongs head rod or the fixed tongs head rod: the insertion slot of the snake head-shaped chuck is correspondingly inserted into the cross-shaped insertion end, in the insertion process, the first inclined guide surface of the insertion side of the positioning block is in contact with the insertion slot, so that the positioning block is lowered, the insertion slot is smoothly inserted, until the insertion opening corresponds to the position of the positioning block, under the action of the spring force, the positioning block is popped out into the insertion opening, and the fixing is completed. When the snake head-shaped chuck needs to be removed, the positioning block is pressed inward, until the upper end of the positioning block corresponds to the second inclined guide surface, and then the snake head-shaped chuck is pulled out outward.

[0024] The operation process of the utility model discloses: operating the movable handle rotates, and then drives the adapter to rotate and promotes the push rod to move forward, and the forward movement of the push rod will drive the movable tongs head adapter block to rotate (rotate around the rotation shaft connected with the tongs lever), the bottom of the movable tongs head adapter block moves forward, and the upper end of the movable tongs head adapter block will rotate, realizing the opening of the rotating serpentine tongs head; when the movable handle resets, it will drive the push rod to move backward, and then drive the bottom of the movable tongs head adapter block to move backward, and then will make the rotating serpentine tongs head rotate downward, realizing the occlusion with the fixed serpentine tongs head.

Claims

1. A thoracic double jointed surgical forceps characterized in that: The utility model provides a kind of multifunctional pincers, including pincers lever (1), pincers lever (1) lower is equipped with sliding connection push rod (2), pincers lever (1) end rotatably connected with movable pincers head adapter block (3), movable pincers head adapter block (3) is equipped with rotary pincers head lever (4), movable pincers head adapter block (3) lower and push rod (2) between rotatably connected, push rod (2) end is also equipped with fixed pincers head lever (5) with rotary pincers head lever (4) cooperation;The other end of the pincers lever (1) is provided with pincers lever handle (6) and first handle (7), push rod (2) other end is equipped with movable handle (8), movable handle (8) end is equipped with adapter head (9), adapter head (9) upper and lower ends are rotatably connected with pincers lever (1) and push rod (2) respectively, movable handle (8) other end is equipped with second handle (10);Rotary pincers head lever (4) and fixed pincers head lever (5) end are inserted with snake head shape chuck (11).

2. The thoracic double-joint surgical forceps according to claim 1, characterized in that: The rotary pincers head lever (4) and fixed pincers head lever (5) all include main rod (101), main rod (101) end is equipped with curved rod (102), curved rod (102) end is equipped with cross-shaped insertion end (103), the upper and lower sides of the middle part of insertion end (103) are equipped with recess (104), recess (104) is equipped with spring (105) and telescopic rod (106), telescopic rod (106) end is equipped with locating block (107).

3. The thoracic double-joint surgical forceps according to claim 2, characterized in that: The snake head shape chuck (11) includes chuck main body (111), chuck main body (111) middle part is equipped with through hole (112), the inner wall surface of chuck main body (111) is equipped with toothed structure (113);The end of chuck main body (111) is equipped with cross-shaped insertion slot (114), the upper and lower sides in insertion slot (114) are equipped with corresponding insertion opening (115).

4. The thoracic double-joint surgical forceps according to claim 3, characterized in that: The upper half of the side where locating block (107) is inserted is equipped with first inclined guide surface (171), the lower half of the end where insertion opening (115) is pulled out is equipped with second inclined guide surface (151).

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