CN209269807U - Laparoscopic surgical forceps instrument handle - Google Patents

Abstract

The utility model discloses a kind of surgical forceps for abdominoscope class instrument handles, including handle base, fixation handle and flexible handle, the fixed handle is structure as a whole with handle base, the upper end of the flexible handle is equipped with push-button recess, it is equipped with button in the push-button recess, spring is equipped between the lower end of button and the bottom of push-button recess；The pear-shaped hole stood upside down is equipped on a button side surface opposite with handle base, it is equipped with the bulb accommodating cavity being connected to pear-shaped hole in button, is equipped with the groove through-hole through the outer wall of flexible handle and the cell wall of push-button recess in the flexible handle side opposite with pear-shaped hole；Handle base is equipped with the handle through hole passed through for the pull rod for clamping class instrument.Compared with prior art, firmly size and the surgical fatigue of operator are reduced, the strength of saving is three times of the prior art；Dismounting between convenient pull rod and handle to pincers class instrument improves the effect of cleaning and disinfection convenient for the cleaning and disinfection of the pull rod part to pincers class instrument.

Description

Laparoscopic surgical forceps instrument handle

technical field

The utility model relates to a medical instrument, in particular to a handle of a laparoscopic surgical forceps instrument.

Background technique

In the past 20 years, with the advancement of science and technology, laparoscopic surgery has been widely recognized by doctors and patients. The safety, effectiveness and minimally invasiveness of laparoscopic surgery have gradually been recognized, and the scope of application has become wider and wider. At present, the handles of the most commonly used surgical instruments for laparoscopy, such as various pliers and scissors, are easy to operate, but they cannot save labor to the greatest extent. It is easy for the hands to be fatigued or the forceps cannot be clamped, which affects the operation time; at the same time, due to the troublesome disassembly, it cannot be cleaned and disinfected well.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a handle of a laparoscopic surgical forceps instrument, and the technical problem to be solved is to reduce hand fatigue, facilitate disassembly and assembly, and improve the effect of cleaning and disinfection at the same time.

In order to solve the above problems, the present invention adopts the following technical solutions: a handle of a laparoscopic surgical forceps instrument, including an instrument handle, the instrument handle comprising a handle seat, a fixed handle fixed on the handle seat, and a handle hinged on the handle seat The movable handle, the fixed handle and the handle seat are integral structures, the upper end of the movable handle is provided with a button groove, the button groove is provided with a button, and the lower end of the button and the bottom of the button groove are provided with A spring; an inverted gourd-shaped hole is arranged on the surface of the opposite side of the button and the handle seat, a ball head accommodating cavity communicated with the gourd-shaped hole is arranged in the button, and a side of the movable handle opposite to the gourd-shaped hole is arranged There is a groove through hole that penetrates the outer wall of the movable handle and the groove wall of the button groove. Normally, the groove through hole partially overlaps with the rectangular hole at the lower end of the gourd-shaped hole. When the button is pressed, the groove through-hole and the gourd-shaped hole partially overlap. The arc-shaped holes at the upper ends of the holes coincide; the handle seat is provided with a handle through hole through which the pull rod of the forceps instrument passes.

Further, a positioning through groove is provided on the outer wall of the side away from the gourd-shaped hole on the button, and a limit rod is located at the positioning through groove in the button groove. Under normal conditions, the limit rod is located at the lower end of the positioning through groove. Realize the limit of the button.

Further, a sliding rod is arranged between the lower end of the fixed handle and the movable handle, and the lower end of the sliding rod is hinged with the lower end of the fixed handle. In the chute on the rear end surface, the upper end of the sliding rod extends from the front end surface of the movable handle and then protrudes from the rear end surface of the movable handle, and the upper end of the sliding rod is provided with a first finger loop.

Further, a connecting rod is arranged between the lower end of the movable handle and the sliding rod, and two ends of the connecting rod are respectively hinged with the movable handle and the sliding rod.

Further, the front end of the connecting rod is provided with a connecting rod groove, and the connecting rod groove is inserted on the sliding rod and is hinged with the sliding rod.

Further, a second finger loop is provided on a side surface of the fixed handle away from the movable handle.

Further, the length of the connecting rod is half of the length of the sliding rod.

Compared with the prior art, the lower end of the fixed handle is hinged with a sliding rod extending in the direction of the movable handle, and the rear end of the sliding rod extends from the front end of the movable handle into the chute and then extends from the rear end of the movable handle. It can be seen that when an external force is applied to the movable handle, the sliding rod can slide in the chute, which reduces the operator's force and surgical fatigue, and saves three times the effort of the prior art; The hole and the ball head accommodating cavity facilitate the disassembly and assembly between the pull rod and the handle of the forceps instrument, facilitate the cleaning and disinfection of the pull rod part of the forceps instrument, and improve the cleaning and disinfection effect.

Description of drawings

Fig. 1 is the external structure schematic diagram of the present utility model;

Fig. 2 is the sectional view of the present utility model;

Fig. 3 is the front view of the button of the present invention;

Fig. 4 is the sectional view of the button of the present invention;

Fig. 5 is the structural representation of the connecting rod of the present utility model;

FIG. 6 is a schematic diagram of the present invention when it is disassembled.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings and embodiments.

As shown in FIG. 1 and FIG. 2 , the utility model discloses a handle of a laparoscopic surgical forceps instrument, which includes an instrument handle 1 , and the instrument handle 1 includes a handle base 2 , a fixed handle 3 fixed on the handle base 2 , and The movable handle 4 hinged on the handle base 2, the fixed handle 3 and the handle base 2 are integrally structured to form a whole, the movable handle 4 is arranged at the rear end of the fixed handle 3, and the front end of the handle base 2 is provided with a laparoscopic For components such as sleeves, under normal circumstances, the sleeves are movably connected to the handle base 2, and the sleeves can rotate along the circumferential direction of the sleeves (this part is the prior art, and will not be described in detail here), wherein:

The handle base 2 is provided with a handle through hole 21 for the pull rod 9 of the pliers instrument to pass through; the handle through hole 21 is parallel to the axis of the pull rod 9 of the pliers instrument for pulling one of the pliers leaves to open or engage the pliers mouth , when the pull rod 9 is movably connected with the upper end part of the movable handle 4 after passing through the sleeve and the handle through hole 21, the generally movable connection part of the pull rod 9 and the movable handle 4 is the ball head 91, which can ensure flexibility;

The upper end of the movable handle 4 is provided with a button groove 41, and the cross-sectional shape of the button groove 41 is a circle or a square. Under normal conditions, when the movable handle 4 and the fixed handle 3 are closed, the axis of the button groove 41 communicates with the handle. The axis of the hole 21 is vertical, the button groove 41 is provided with a button 42, the cross-sectional shape of the button 42 is adapted to the cross-sectional shape of the button groove 41, and the lower end of the button 42 is between the bottom of the button groove 41. A spring 411 is provided; an inverted gourd-shaped hole 43 (as shown in FIG. 3 ) is provided on the opposite side surface of the button 42 and the handle base 2, and the gourd-shaped hole 43 includes an arc-shaped hole 431 and a rectangular hole 432, The two are combined to form an inverted gourd shape. A rectangular hole 432 is provided at the lower end of the arc-shaped hole 431; The widths of the shaped holes 431 are equal, and the width of the rectangular hole 431 is smaller than the width of the ball head accommodating cavity 44 and greater than or equal to the diameter of the tie rod 9, so that the rectangular hole 432 partially blocks the part of the ball head accommodating cavity 44 at this position , a groove through hole 45 that penetrates the outer wall of the movable handle 4 and the groove wall of the button groove 41 is provided on the opposite side of the movable handle 4 and the gourd-shaped hole 43. Under normal conditions, the groove through hole 45 and the gourd-shaped hole 43 The rectangular hole 432 at the lower end is partially overlapped, so that the ball head 91 located in the ball head accommodating cavity 44 is restricted in the ball head accommodating cavity 44. When the button 42 is pressed, the groove through hole 45 and the gourd-shaped hole 43 The arc-shaped holes 431 at the upper end of the ball head overlap, so that the ball head 91 located in the ball head accommodating cavity 44 can be pulled out from the ball head accommodating cavity 44 .

As shown in FIGS. 1 and 4 , in order to facilitate assembly and reduce the dead angle of the product, a positioning through slot 46 is provided on the outer wall of one side of the button 42 away from the gourd-shaped hole 43 , and the upper and lower ends of the positioning through slot 46 have two side walls. , thereby forming a limit abutting portion 461, a limit rod 47 is provided at the positioning through groove 46 in the button groove 41, and a limit rod 47 is provided on the movable handle 4 corresponding to the position of the limit rod 47. Through the outer wall of the movable handle 4 And the assembly hole 48 of the groove wall of the button groove 41, the two ends of the limit rod 47 are in interference fit with the assembly hole 48; under normal conditions, the limit rod 47 is located at the lower end of the positioning through groove 46 and the limit abutting part 461 at the lower end When the button is pressed, the limit abutting part 461 at the upper end of the button moves in the direction of the limit rod 47, and finally contacts with the limit rod 47, thereby limiting the position of the button .

As shown in FIG. 1 and FIG. 2 , in order to facilitate use and save effort, a sliding rod 5 is provided between the lower end of the fixed handle 3 and the movable handle 4 , and the lower end of the sliding rod 5 is hinged with the lower end of the fixed handle 3 . There is a chute 6 extending through the front end face of the movable handle 4 opposite to the fixed handle 3 and the rear end face away from the fixed handle 3. The upper end of the sliding rod 5 extends from the front end face of the movable handle 4 and then extends from the rear end face of the movable handle 4. The upper end of the sliding rod 5 is provided with a first finger loop 7, so that the sliding rod 5 will not come out of the chute.

As shown in FIG. 2 , in the present invention, the hinged connection between the fixed handle 3 and the sliding rod 5 is that a fixed handle groove 32 is provided at the lower end of the fixed handle 3 , and the fixed handle groove 32 penetrates through the front end surface and the rear end surface of the fixed handle 3 . And the lower end surface, the two sides of the groove wall of the fixed handle groove 32 are provided with hinge shaft holes, correspondingly, the lower end of the sliding rod 5 is also provided with a hinge shaft hole, and the fixed handle 3 and the sliding rod 5 are inserted through the hinge shaft 104. In the hinge shaft hole of the other, the hinge of the two is realized.

As shown in FIG. 1 and FIG. 2 , a connecting rod 8 is provided between the lower end of the movable handle 4 and the sliding rod 5 , and both ends of the connecting rod 8 are hinged with the movable handle 4 and the sliding rod 5 respectively. Specifically, the connecting rod 8 The front end of the connecting rod is provided with a connecting rod through groove 81. The connecting rod through groove 81 penetrates the upper end face, the lower end face and the front end face of the connecting rod 8. The two sides of the connecting rod through groove 81 are provided with hinge shaft holes. There is also a hinge shaft hole in the middle of the rod 5, the connecting rod through groove 81 is inserted on the sliding rod 5, and the connecting rod 8 and the sliding rod 5 are inserted into the hinge shaft holes of the two through the hinge shaft 102, so as to realize two The lower end of the movable handle 4 is also provided with a movable handle through slot 49, the movable handle through slot 49 runs through the front end face, the rear end face and the lower end face of the movable handle 4, and a hinge shaft hole is provided on the movable handle through slot 49 Correspondingly, the rear end of the connecting rod 8 is also provided with a hinge shaft hole. After the connecting rod 8 is inserted into the through slot 49 of the movable handle, the hinge shaft 103 is inserted into the two hinge shaft holes to realize the hinge connection of the two.

In the present invention, the length of the connecting rod 8 is half of the length of the sliding rod 5 .

As shown in FIG. 1, in order to facilitate hand-holding, a second finger loop 31 is provided on the side surface of the fixed handle 3 away from the movable handle 4. The size of the second finger loop 31 is larger than that of the first finger loop 7. The maximum length of the second finger loop 31 can be 4 cm, and the maximum width is 2 cm; the maximum length of the first finger loop 7 is 2.5 cm, and the maximum width is 2 cm.

As shown in FIG. 6 , when separating the pull rod 9 from the instrument handle 1, first make the pliers mouth in the engaged state, then press the button 42, the arc hole 431 and the groove through hole 45 overlap, then pull the pliers mouth When the ball head 91 is inserted into the ball head accommodating cavity 44, the external force on the button 42 is released, and the button 42 is reset by the spring 411. When the rectangular hole 432 partially overlaps with the groove through hole 45 , the ball head 91 is confined in the ball head accommodating cavity 44 .

As shown in FIG. 1, a hinge seat 22 is provided at the transition position between the fixed handle 3 and the handle base 2, and a through groove (not shown in the figure) is provided on the side of the hinge seat 22 opposite to the movable handle 4, and the movable handle 4 includes a first movable vertical portion 412, movable inclined portion 413, and a second movable vertical portion 414. The hinged position between the movable handle 4 and the hinge seat 22 is the transition position between the first movable vertical portion 412 and the movable inclined portion 413. The hinge portion 415 is provided here, and the hinge portion 415 is inserted into the through groove on the hinge seat 22. The hinge seat 22 and the hinge portion 415 are both provided with hinge shaft holes, and the hinge seat 22 is inserted into the hinge between the two through the hinge shaft 101. The shaft hole is hinged with the movable handle 4; the button 42, the button groove 41 and the groove through hole 45 are all set on the first movable vertical part 412, the sliding groove 6 is set on the movable inclined part 413, and the movable handle through groove 49 is disposed on the second vertical portion 414 , and the inclined direction of the movable inclined portion 413 faces the fixed handle 3 .

The improved structure of the handle of the laparoscopic surgical instrument of the present invention is convenient to operate, not only can save the force to the greatest extent, and the saving force is three times that of the prior art; and when the thumb and the index finger are pressed together, the feeling is closer to the natural state, which reduces the risk of surgery. It can reduce the fatigue of the user and improve the operation speed; a button, a gourd-shaped hole and a ball head accommodating cavity are arranged on the movable handle, so as to realize the convenient disassembly and assembly between the pull rod and the handle of the forceps instruments, and facilitate the operation of the forceps instruments. The cleaning and disinfection of the rod part improves the cleaning and disinfection effect.

Claims (7)

1. A laparoscopic surgical forceps instrument handle, comprising an instrument handle (1), the instrument handle (1) comprising a handle seat (2), a fixed handle (3) fixed on the handle seat (2) and a handle hinged on the handle (2); The movable handle (4) on the handle seat (2) is characterized in that: the fixed handle (3) and the handle seat (2) are integrated in structure, and the upper end of the movable handle (4) is provided with a button groove (41). ), a button (42) is provided in the button groove (41), and a spring (411) is provided between the lower end of the button (42) and the bottom of the button groove (41); between the button (42) and the handle seat (2) An inverted gourd-shaped hole (43) is provided on the opposite side surface, a ball head accommodating cavity (44) communicated with the gourd-shaped hole (43) is provided in the button (42), and the movable handle ( 4) The side opposite to the gourd-shaped hole (43) is provided with a groove through hole (45) penetrating the outer wall of the movable handle (4) and the groove wall of the button groove (41). 45) Coincidence with the rectangular hole at the lower end of the gourd-shaped hole (43), when the button (42) is pressed, the groove through hole (45) coincides with the arc-shaped hole at the upper end of the gourd-shaped hole (43); the handle seat (2) There is a handle through hole (21) through which the pull rod of the forceps instrument passes. 2. The laparoscopic surgical forceps instrument handle according to claim 1, wherein a positioning through groove (46) is provided on the outer wall of one side of the button (42) away from the gourd-shaped hole (43). The button groove (41) is provided with a limit rod (47) located at the positioning through groove (46), and in a normal state, the limit rod (47) is located at the lower end of the positioning through groove (46), so as to realize the limit of the button (42). bit. 3. The laparoscopic surgical forceps instrument handle according to claim 1, wherein a sliding rod (5) is provided between the lower end of the fixed handle (3) and the movable handle (4), and the sliding rod (5) ) is hinged with the lower end of the fixed handle (3), and the movable handle (4) is provided with a chute penetrating through the front end surface of the movable handle (4) opposite to the fixed handle (3) and away from the rear end surface of the fixed handle (3). (6), the upper end of the sliding rod (5) extends from the front end surface of the movable handle (4) and then protrudes from the rear end surface of the movable handle (4), and the upper end of the sliding rod (5) is provided with a first finger cover Ring (7). 4. The laparoscopic surgical forceps instrument handle according to claim 3, wherein a connecting rod (8) is provided between the lower end of the movable handle (4) and the sliding rod (5), and the connecting rod (8) ) are hinged with the movable handle (4) and the sliding rod (5) at both ends respectively. The laparoscopic surgical forceps instrument handle according to claim 4, characterized in that: the front end of the connecting rod (8) is provided with a connecting rod through groove (81), and the connecting rod through groove (81) is inserted into the connecting rod through groove (81). It is arranged on the sliding rod (5) and is hinged with the sliding rod (5). 6. The laparoscopic surgical forceps instrument handle according to claim 1, wherein a second finger loop (31) is provided on a side surface of the fixed handle (3) away from the movable handle (4). 7. The laparoscopic surgical forceps instrument handle according to claim 4, wherein the length of the connecting rod (8) is half of the length of the sliding rod (5).