CN211704825U - Multifunctional electric coagulation scissors - Google Patents

Abstract

The utility model discloses a multifunctional electric coagulation scissors, which comprises a tool bit, a tool bar and a handle, wherein a linkage rod is arranged in the tool bar, one end of the linkage rod is connected with the tool bit, the other end of the linkage rod is connected with the handle, the front and back movement of the linkage rod is controlled by operating the handle to realize the opening or closing of the tool bit, the tool bit is provided with an inclined plane to form a nose scissors, the tool bit comprises a fixed blade and a movable blade, the movable blade is hinged with the fixed blade, and the rear end of the movable blade is connected with the linkage; the front end of the fixed blade is bent downwards to form a hook part, and the hook part is in arc transition with the front end of the fixed blade. The utility model discloses a multi-functional electricity congeals and cuts can realize the swift meticulous dissection and the separation of tissue in the human body, can realize again directly cutting off, and the middle process need not frequently change surgical instruments, improves the factor of safety of the precision and the operation of operation efficiency, operation.

Description

Multifunctional electric coagulation scissors

Technical Field

The utility model belongs to the technical field of surgical instruments technique and specifically relates to a multi-functional electricity congeals and cuts.

Background

Laparoscopic surgery is a procedure performed with a laparoscope and its associated instruments: the cold light source is used for providing illumination, the laparoscope lens is inserted into the abdominal cavity, and the digital camera technology is used for leading the image shot by the laparoscope lens to be transmitted to a post-stage signal processing system through an optical fiber and displaying the image on a special monitor in real time. Then, the doctor analyzes and judges the state of the patient through images of different angles of the patient organ displayed on the monitor screen, and performs the operation by using a special laparoscope instrument.

In the laparoscopic surgery process, organ tissues in a body are often required to be dissected and separated, and a focus is cut off, in the surgery process, fine dissection, separation and other operations are usually required, and due to the close relationship among human tissue organs, if the tissues are not well treated in the surgery process, the normal tissues of a patient are injured, and even medical accidents which are not required to occur are caused; in the prior art, tissues in a human body are generally dissected and separated by an electrocoagulation hook, an electric scissors, a separation clamp and the like, and the tissues are cut off by the scissors when necessary, so that surgical instruments are frequently replaced, the operation time is prolonged, accurate separation and exposure cannot be achieved in dissection, and the requirement on ideal dissection and separation of organs and tissues in the human body cannot be met, so that an accurate operation effect is achieved. And the operation is carried out by utilizing a new energy platform tool such as an ultrasonic scalpel, the cost is high, professional training is required, the working time is long during the operation, smoke is easy to generate, the visual field is not clear, and the popularization is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the multifunctional electric coagulation scissors overcome the defects of the prior art, can realize quick and accurate dissection and separation of tissues in a human body, can realize direct shearing, can finish accurate dissection and separation operations such as pushing, hooking, picking, cutting, coagulation, shearing and the like by using one instrument, simultaneously reduces the contact working surface of the instrument, does not need to frequently replace surgical instruments in the middle process, and can improve the operation safety.

The utility model adopts the technical proposal that: the multifunctional electrocoagulation scissors comprise a cutter head, a cutter bar and a handle, wherein a linkage rod is arranged in the cutter bar, one end of the linkage rod is connected with the cutter head, the other end of the linkage rod is connected with the handle, the linkage rod is controlled to move back and forth by operating the handle so as to realize the opening or closing of the cutter head, the cutter head is provided with an inclined plane so as to form a nose scissors, the cutter head comprises a fixed blade and a movable blade, the movable blade is hinged with the fixed blade, and the rear end of the movable blade is connected with the linkage rod; the front end of the fixed blade is bent downwards to form a hook part, and the hook part and the front end of the fixed blade are in arc transition.

Compared with the prior art, the utility model has the following advantage:

among this neotype multi-functional electricity congeals and cuts the structure, on original electricity congeals and cuts the structure basis, make full use of sticks up the unnecessary space that the head was cut, buckle certain angle in order to form a hook portion with the head of fixed blade wherein towards unnecessary spatial position, when the scissors tool bit is in the closure state, this hook portion has formed the electricity congeals hook promptly, be used for meticulous dissection, organize in the separation body, treat to separate the completion back, can directly cut the tissue that needs the abscission through the scissors tool bit again, make more meticulous of operation process, it is convenient, high-efficient, and need not frequently switch electricity congeals hook and scissors, the operation step has been simplified.

As a modification, the length D2 of the downward protrusion of the hook part is smaller than the outer diameter D1 of the cutter bar.

Preferably, the length D2 of the downward protrusion of the hook part is 3-4 mm.

Still preferably, the length D2 of the downward protrusion of the hook is 3.5 mm. The projection length of 3.5mm is the best data obtained through continuous practical experience, and the efficiency of the operation is improved.

In a further improvement, the downward bending angle a of the hook part is 80-100 degrees. The bending angle can not bring the trouble of incapability of unhooking while meeting the requirement of separating tissues.

In another improvement, the cutter head is of an arc structure, and the thickness D3 of the cutter head along the bending direction is less than or equal to the outer diameter D1 of the cutter rod. The cutter head is bent at a certain angle, so that the operation is more convenient and smooth when the cutter head is inserted into a human body.

Furthermore, the handle comprises a fixed handle and a movable handle, the movable handle is hinged with the fixed handle, and the rear end of the linkage rod is connected with the upper end of the movable handle; the middle parts of the fixed handle and the movable handle are respectively and correspondingly provided with a magnetic part, and the magnetic parts are arranged at the inner side ends of the fixed handle and the movable handle which are jointed. The corresponding magnetic parts are arranged on the opposite lateral sides of the two handles, when the two handles are closed, under the suction action of the magnetic parts, the movable handles can be effectively prevented from being loosened randomly to influence the use and avoid accidental injury in the operation process when the movable handles are closed to serve as an electrocoagulation hook for operation.

As an improvement, the outer end face of the hook part and the outer end part of the movable blade are both arc-shaped blunt structures. The process of end fillet blunting reduces the probability of injury to tissue when manipulated in the human body.

And the improved structure is characterized in that an insulating sleeve is sleeved outside the cutter bar, the front end of the insulating sleeve extends to the joint of the upper inclined surface of the fixed blade and the horizontal plane, and an avoiding notch for the movable blade to move is formed in the upper end of the insulating sleeve. The front end of the insulating sleeve wraps the outer wall of the cutter rod as much as possible, so that the possibility that the cutter scalds tissues in the moving process is reduced.

Drawings

FIG. 1 is a structural diagram of a multifunctional electrocoagulation shear of the present invention.

Fig. 2 is a schematic view showing the open state of the cutter head in the present invention.

Fig. 3 is a schematic view of the cutter head of the present invention in a closed state.

Fig. 4 is a partial view of the portion a in fig. 3.

Wherein, 1-cutter head, 1.1-fixed blade, 1.1.1-hook part, 1.2-movable blade, 2-cutter bar, 3-handle, 3.1-fixed handle, 3.2-movable handle, 4-linkage rod, 5-magnetic part, 6-insulating sleeve, 6.1-avoiding gap, 7-driving component, 7.1-driving slide block, 7.1.1-guiding waist hole, 8-connecting rod, 9-electrode plug, 10-rotating wheel

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

In the description of the present invention, it should be noted that the terms "front and back", "lower end", "middle part", "rear end", "front end", "downward", "outer end part", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the utility model provides a multi-functional electricity congeals and cuts, including tool bit 1, cutter arbor 2 and handle 3, it is equipped with gangbar 4 to slide in the cutter arbor 2, the one end and the tool bit 1 of gangbar 4 are connected, the other end is connected with handle 2, the back-and-forth movement through operating handle 3 control gangbar 4 is used for realizing opening or closing of tool bit 1, and is concrete, handle 3 includes fixed handle 3.1 and movable handle 3.2, and movable handle 3.2's upper end is articulated with fixed handle 3.1, so that can rotate relatively between movable handle 3.2 and the fixed handle 3.1. The upper end of the movable handle 3.2 is provided with an assembling groove 3.2.1, the rear end of the linkage rod 4 is provided with a corresponding mounting convex part 4.1, the mounting convex part 4.1 is detachably clamped in the assembling groove 3.2.1, and when the movable handle 3.2 rotates around a hinge point, the linkage rod 4 moves back and forth along with the movable handle 3.2. Specifically, when the lower-end hand-holding part of the movable handle 3.2 is folded with the fixed handle 3.1, the upper end of the movable handle 3.2 moves backwards, so as to drive the linkage rod 4 to move backwards, the front end of the linkage rod 4 is linked with the movable blade 1.2 through the driving component 7, and the movable blade 1.2 and the fixed blade 1.1 are closed to realize the cutting effect on the object; on the contrary, when the lower end holding hand of the movable handle 3.2 is separated from the fixed handle 3.1, the upper end of the movable handle 3.2 moves forward to drive the linkage rod 4 to move forward, the front end of the linkage rod 4 is linked with the movable blade 1.2 through the driving component 7, and the separation of the movable blade 1.2 and the fixed blade 1.1 is realized. In the structure, the driving component 7 comprises a driving slide block 7.1, the driving slide block 7.1 is arranged in the cutter bar 2 in a sliding manner along the front-back direction, a guide waist hole 7.1.1 inclined from the front end to the back end is arranged on the driving slide block 7.1, a connecting rod 8 is arranged at the back end of the movable blade 1.2, the other end of the connecting rod 8 is arranged in the guide waist hole 7.1.1 in a sliding manner through a limiting convex column, and the back end of the driving slide block 7.1 is connected with the front end of the linkage rod 4; specifically, open when certain angle with movable blade 1.2 and fixed blade 1.1 and be initial condition, drive slider 7.1 is located the front end limit position of cutter arbor 2 this moment, when control movable handle 3.2 drive gangbar 4 in order to drive slider 7.1 and move backward, under direction waist hole 7.1.1 guide effect, the one end that connecting rod 8 is close to drive slider 7.1 moves up, thereby realize movable blade 1.2 and rotate down along the pin joint, realize with fixed blade 1.1's closing action.

In addition, in the structure, a rotating wheel 10 is further rotatably arranged at one end of the cutter bar 2 close to the handle 3, and the linkage rod 4 can be driven to rotate along the axis by rotating the rotating wheel 10, so that the rotation of the cutter head 1 is realized, and the smooth operation is facilitated.

As shown in fig. 1, an electrode plug 9 is arranged at the rear part of the upper end of the fixed handle 3.1, the electrode plug 9 is electrically connected with the linkage rod 4, when the electrode plug 9 is electrified, the cutter head 1 is electrified through the linkage rod 4, and meanwhile, the cutter bar 2 is also electrified. Consequently, in order to prevent that operation in-process health contact cutter arbor 2 outer wall from taking place the scald, the outside cover at cutter arbor 2 is equipped with insulating cover 6 to the front end of insulating cover 6 extends to the junction of fixed blade 1.1 upper inclined plane 1.01 and horizontal plane, and the upper end of insulating cover 6 is equipped with the breach 6.1 of dodging that is used for supplying activity blade 1.2 activity, thereby satisfies the insulating parcel of the largest area of cutter arbor 2 and handles, reduces the scald probability, and the security is higher.

In this embodiment, as shown in fig. 1 and 3, an inclined surface 1.01 is provided at the lower end of the cutter head 1 to form a nose-raising shear, the cutter head 1 includes a fixed blade 1.1 and a movable blade 1.2, the movable blade 1.2 is hinged to the fixed blade 1.1, and the rear end of the movable blade 1.2 is connected to a linkage rod 4; in the mechanism, the front end of the fixed blade 1.1 is bent downwards to form the hook part 1.1.1, and the hook part 1.1 is in arc transition with the front end of the fixed blade 1.1, because the cutter head 1 is in a head-raising shear form, a certain space is reserved below the cutter head 1, and the front end of the fixed blade 1.1 is bent downwards to form the hook part 1.1.1, so that the space is fully utilized, the hook part 1.1.1 is added under the condition of not influencing the normal use of the cutter head 1 and not increasing the outer diameter of the cutter head, when the movable blade 1.2 and the fixed blade 1.1 are in a closed state, as shown in fig. 3, the hook part 1.1.1 serves as an electrocoagulation hook, and a diaphragm between tissues in a human body can be quickly and reasonably separated and sheared in an operation.

In the prior art, the electrocoagulation hook and the electrocoagulation scissors are two mutually independent apparatuses and are alternately used in the operation process, so that the operation is inconvenient and the operation efficiency is reduced.

In addition, the outer end face of the hook part 1.1.1 and the outer end part of the movable blade 1.2 are both arc-shaped blunt structures, so that secondary injury caused by over-sharp end parts in the operation process is avoided.

As shown in fig. 3, in order to prevent the hook 1.1.1 on the fixed blade 1.1 from interfering during use and from affecting normal use of the scissors, the length D2 of the downward protrusion of the hook 1.1.1 is smaller than the outer diameter D1 of the knife bar 2. Preferably, the protrusion length D2 is 3 to 4mm, and it has been found from many practical experiences that the most preferable effect can be obtained when the protrusion length D2 of the hook 1.1.1 is 3.5 mm.

In addition, in order to enable the hook part 1.1.1 to better play a role in an operation, the bending angle of the hook part 1.1.1 needs to be reasonably designed, the angle is too large, the effect of tissues in a hook pulling body cannot be achieved in the operation process, the use is affected if the angle is too small, and the hook is not easy to unhook after the tissues are pulled, so that the downward bending angle a of the hook part 1.1.1 is set to be 80-100 degrees after continuous experimental experience.

On the other hand, in order to make the cutter head 1 more flexible for use in the early operation, the cutter head 1 is in an arc-shaped structure as seen from the top, namely as shown in fig. 4, and the thickness D3 of the cutter head 1 along the bending direction is less than or equal to the outer diameter D1 of the cutter bar 2.

As shown in fig. 1, the fixed handle 3.1 and the movable handle 3.2 are respectively provided with a magnetic member 5 at the middle portion thereof, and the magnetic member 5 is provided at the inner side end where the fixed handle and the movable handle are attached to each other. Because in practical application, because there is not spacing between fixed handle 3.1 and the activity handle 3.2, both parts are very easy to be separated to it changes to lead to the movable blade 1.2 of tool bit 1 position to take place the angle, influences the use, sets up corresponding magnetic part 5 on the terminal surface that both stagger the laminating mutually in this structure, when both are closed, two magnetic part 5 actuation mutually, under the condition that does not have external force effect to pull activity handle 3.2 outwards, both can not throw off. Because in the actual operation process, when two blades are closed, and the hook part 1.1.1 is used as an electrocoagulation hook, a doctor directly grips the whole handle on the hand during the operation of the handle 3, instead of respectively clamping fingers into round holes on the corresponding handles for operation, the integral gripping handle is more convenient for searching and separating the tissues in the body, at this time, in the operation process of the doctor hand, the movable handle 3.2 and the fixed handle 3.1 can be separated, once the movable handle 3.2 rotates, the head of the movable blade 1.2 is about to be dislocated with the fixed blade 1.1, and the normal use of the hook part 1.1.1 is influenced.

In particular, in the surgical instrument, the movable handle 3.2 and the fixed handle 3.1 are provided with insulating sleeves on the outer portions, so for the sake of sanitation and sterility, the magnetic member 5 is also arranged in the insulating sleeves, and it is necessary to ensure that the magnetic member 5 can perform the function of magnetic attraction.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims (9)

1. The utility model provides a multi-functional electricity congeals and cuts, includes tool bit (1), cutter arbor (2) and handle (3), cutter arbor (2) in be equipped with gangbar (4), the one end and the tool bit (1) of gangbar (4) are connected, the other end is connected with handle (3), the back-and-forth movement through operating handle (3) control gangbar (4) is used for realizing opening or closing of tool bit (1), its characterized in that: the lower end of the cutter head (1) is provided with an inclined plane (1.01) to form a nose-raising shear, the cutter head (1) comprises a fixed blade (1.1) and a movable blade (1.2), the movable blade (1.2) is hinged with the fixed blade (1.1), and the rear end of the movable blade (1.2) is connected with a linkage rod (4); the front end of the fixed blade (1.1) is bent downwards to form a hook part (1.1.1), and the front ends of the hook part (1.1.1) and the fixed blade (1.1) are in arc transition.

2. A multifunctional electrocoagulation shear according to claim 1, wherein: the length D2 of the downward protrusion of the hook part (1.1.1) is less than the outer diameter D1 of the cutter bar (2).

3. A multifunctional electrocoagulation shear according to claim 2, wherein: the length D2 of the downward protrusion of the hook part (1.1.1) is 3-4 mm.

4. A multifunctional electrocoagulation shear according to claim 3, wherein: the length D2 of the downward protrusion of the hook part (1.1.1) is 3.5 mm.

5. A multifunctional electrocoagulation shear according to claim 2, wherein: the downward bending angle a of the hook part (1.1.1) is 80-100 degrees.

6. A multifunctional electrocoagulation shear according to claim 1, wherein: the cutter head (1) is of an arc-shaped structure, and the thickness D3 of the cutter head (1) in the bending direction is smaller than or equal to the outer diameter D1 of the cutter rod (2).

7. A multifunctional electrocoagulation shear according to claim 1, wherein: the handle (3) comprises a fixed handle (3.1) and a movable handle (3.2), the movable handle (3.2) is hinged with the fixed handle (3.1), and the rear end of the linkage rod (4) is connected with the upper end of the movable handle (3.2); the middle parts of the fixed handle (3.1) and the movable handle (3.2) are respectively and correspondingly provided with a magnetic part (5), and the magnetic part (5) is arranged at the inner side end of the fixed handle and the inner side end of the movable handle which are jointed with each other.

8. A multifunctional electrocoagulation shear according to claim 1, wherein: the outer end face of the hook part (1.1.1) and the outer end part of the movable blade (1.2) are both arc-shaped blunt structures.

9. A multifunctional electrocoagulation shear according to claim 1, wherein: the outside cover of cutter arbor (2) is equipped with insulating cover (6), the front end of insulating cover (6) extends to the junction of fixed blade (1.1) upward inclined plane (1.01) and horizontal plane, the upper end of insulating cover (6) is equipped with dodges breach (6.1) that is used for supplying activity blade (1.2) activity.

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