CN111281448B

CN111281448B - Auxiliary instrument for gastrointestinal surgery

Info

Publication number: CN111281448B
Application number: CN202010082353.6A
Authority: CN
Inventors: 张建立; 江秀丽; 王政坤; 邱志刚; 牛冬光
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2020-02-07
Filing date: 2020-02-07
Publication date: 2021-07-13
Anticipated expiration: 2040-02-07
Also published as: CN111281448A

Abstract

The invention relates to the technical field of surgical operations and discloses an auxiliary instrument for gastrointestinal surgical operations, which comprises two fixing blocks. This stomach surgical operation auxiliary instrument, setting through the draw-in groove, insert two fixed blocks on two operation platform poles through the draw-in groove, it screws up in inserting the screw with first fixing bolt again, it is tight to make first fixing bolt press from both sides the operation platform pole tightly, accomplish preliminary fixed, install the gusset plate additional in the fixed block bottom again, twist the reinforcement hole with second fixing bolt, the elastic block that makes the gusset plate top compresses tightly the operation platform pole, fixed stability has been strengthened, the rotation regulation knob, can make the connecting rod drive perpendicular gear revolve, thereby it removes to drive the drive sprocket, make two rotary drums rotate in step in the bearing, thereby make the screw thread movable rod receive screw thrust and reciprocate, can adjust the fixed box and reciprocate, accomplish the lift of whole apparatus, and the precision is higher, the accurate and stable good purpose of altitude mixture control has been reached.

Description

Auxiliary instrument for gastrointestinal surgery

Technical Field

The invention relates to the technical field of surgical operations, in particular to an auxiliary instrument for gastrointestinal surgical operations.

Background

In general surgery, liver, biliary tract, pancreas, stomach and intestine, anorectal and blood vessel diseases are treated by operations, and in the treatment of gastrointestinal diseases, an auxiliary instrument such as a spreader is usually required to assist a doctor in performing the operation.

Various surgical auxiliary instruments on the market at present are disclosed, for example, in chinese patent CN 105769262B, a gastrointestinal surgical auxiliary instrument is disclosed, which comprises a fixing frame, a first screw rod and a first supporting rod, wherein the fixing frame is fixedly connected with frames at two sides of an operating table by screwing bolts, sleeves are symmetrically welded at two ends of the upper surface of the fixing frame, slide rods are installed inside the sleeves in a matching manner, through holes are uniformly formed in the surfaces of the sleeves and the slide rods, connecting bolts are additionally installed inside the through holes corresponding to the sleeves and the slide rods, a cross rod is welded at the upper end of each slide rod, two ends of the first screw rod and the second screw rod are connected with the cross rod through bearings, the right end of the first screw rod is connected with the first servo motor, the first servo motor and the second servo motor are fixedly connected with the cross rod at the corresponding side through mounting brackets, and the first servo motor and the second servo motor, the device has a series of advantages of automatic wound expansion, accurate control of force application size and height, stable use and the like, however, when the height of the device is adjusted, the height is adjusted by inserting bolts into through holes with different heights, the height adjusting mode is too simple, the height is not accurate enough, the situation of high height or low height is easy to occur, and when the device is fixed with a frame of an operating table, the device is fixed unstably only by fixing bolts, and the device is controlled by a motor to be unfolded, so that the device is easy to be touched by mistake or has a motor fault, is automatically unfolded, causes injury to a patient, and has poor safety and stability.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an auxiliary instrument for gastrointestinal surgery, which has the advantages of accurate height adjustment, good stability and the like, and solves the problems that when the height of the device is adjusted, the height is adjusted by inserting bolts into through holes with different heights, the height adjusting mode is too simple and crude, the height is not accurate enough, and the situation of being higher or lower is easy to occur, and when the device is fixed with a frame of an operating table, only fixing bolts are adopted for fixing, so that the device is not stable enough, and the device is controlled by a motor to be opened, so that the device is easily touched by mistake or has a motor fault, is opened automatically, causes injury to a patient, and has poor safety and stability.

(II) technical scheme

In order to achieve the purposes of accurate height adjustment and good stability, the invention provides the following technical scheme: a gastrointestinal surgery auxiliary instrument comprises two fixed blocks, wherein the bottoms of the fixed blocks are provided with clamping grooves, screw holes are formed in the opposite sides of the fixed blocks, a surgical table rod is movably arranged in each clamping groove, first fixing bolts are connected with the inner threads of the screw holes, reinforcing plates are fixedly arranged at the bottoms of the fixed blocks, reinforcing holes are formed in the bottoms of the reinforcing plates, second fixing bolts are connected with the inner threads of the reinforcing holes, elastic blocks are fixedly arranged at the tops of the reinforcing plates, transmission boxes are fixedly arranged at the tops of the fixed blocks, two rotary drums are movably arranged at the tops of the transmission boxes on the tops of the front fixed blocks, threaded moving rods are connected with the inner threads of the rotary drums, bearings are fixedly arranged at the tops of the transmission boxes, and transmission toothed chains are connected between the two rotary drums in a transmission manner, the left side of the transmission box is movably provided with a connecting rod, the left side of the connecting rod is fixedly provided with an adjusting knob, the right side of the connecting rod is fixedly provided with a vertical gear, the transmission box is positioned at the top of a back fixed block, the top of the transmission box is fixedly provided with a sliding barrel, the inside of the sliding barrel is movably provided with a sliding rod, the tops of the sliding rod and the threaded moving rod are both fixedly provided with fixed boxes, two threaded rotating rods with the number being two are movably arranged between the opposite sides of the two fixed boxes, the back of the threaded rotating rod at the left side and the front of the threaded rotating rod at the right side are both fixedly connected with adjusting rotating wheels, the opposite sides of the two fixed boxes are both fixedly provided with telescopic rods, one end of the telescopic rod away from the fixed boxes is fixedly provided with a limit gear, the outer sides of the, and a supporting block is fixedly arranged on the right side of the horizontal moving plate.

Preferably, the width of draw-in groove is greater than the diameter of operating table pole, reinforcing plate and fixed block are run through and extend to the inside of fixed block to the top of second fixing bolt.

Preferably, the elastic block is a rubber block, the transmission box is a cuboid with a hollow interior, and the bottom of the rotary drum penetrates through the top of the transmission box and extends to the interior of the transmission box.

Preferably, the transmission toothed chain and the vertical gear are both positioned inside the transmission box, and the transmission toothed chain and the vertical gear are meshed with each other.

Preferably, the length of the slide cylinder is equal to that of the rotary cylinder, and the length of the thread moving rod is equal to that of the thread rotary rod.

Preferably, the telescopic link comprises sleeve and loop bar, telescopic inboard movable mounting has the loop bar, two fixed box is the both sides around the symmetric distribution in screw bull stick axis.

Preferably, the front end and the rear end of the threaded rotating rod respectively penetrate through one side of the two fixed boxes opposite to each other and extend to the outer sides of the fixed boxes.

Preferably, the outer side of the adjusting rotating wheel is fixedly provided with a limiting tooth block, and the limiting tooth block is meshed with the limiting gear.

Preferably, the threaded connection block is in threaded connection with the right threaded rotating rod on the front side, and the threaded connection block is in threaded connection with the left threaded rotating rod on the back side.

(III) advantageous effects

Compared with the prior art, the invention provides an auxiliary instrument for gastrointestinal surgery, which has the following beneficial effects:

1. the gastrointestinal surgery auxiliary instrument is characterized in that two fixing blocks are inserted into two operating table rods on an operating table through clamping grooves by arranging the clamping grooves at the bottoms of the fixing blocks, then a first fixing bolt is inserted into a screw hole to be screwed down, so that the operating table rods are clamped by the first fixing bolt to finish primary fixing, a reinforcing plate is additionally arranged at the bottom of the fixing blocks, a second fixing bolt is screwed into the reinforcing hole, so that an elastic block at the top of the reinforcing plate tightly presses the operating table rods, the fixing stability is further enhanced, the connecting rod can drive a vertical gear to rotate by rotating an adjusting knob, thereby driving the transmission toothed chain to move, leading the two rotary drums to synchronously rotate in the bearing, leading the thread moving rod to move up and down under the thrust of the thread, can adjust fixed box and reciprocate, accomplish the lift of whole apparatus, and the precision is higher, has reached the accurate and stable good purpose of altitude mixture control.

2. This stomach surgical operation auxiliary instrument, through rotating two regulation runners, can make the screw thread bull stick rotate, and horizontal moving plate installs the outside at the screw thread bull stick through threaded connection piece, make horizontal moving plate can be along with the rotation of screw thread bull stick and horizontal migration, and then make two bracers can free horizontal migration, with the distance of strutting of adjustment bracer, the tooth piece in the regulation runner outside is with limit gear intermeshing, so want to rotate the regulation runner and need outwards draw limit gear, make the regulation runner lose limit gear's injecture, the security of whole device has been increased, it leads to the bracer automatic movement to have prevented to adjust the runner and touched by the mistake, compare motor control safety and stability more, can not lead to the apparatus automatic distraction because of the trouble of the motor, reached the good purpose of stability.

Drawings

FIG. 1 is a schematic structural diagram of an auxiliary instrument for gastrointestinal surgery according to the present invention;

FIG. 2 is a top view of an auxiliary instrument for gastrointestinal surgery according to the present invention;

fig. 3 is a right side view of the auxiliary instrument for gastrointestinal surgery according to the invention.

In the figure: the device comprises a fixing block 1, a clamping groove 2, a screw hole 3, a surgical table rod 4, a first fixing bolt 5, a reinforcing plate 6, a reinforcing hole 7, a second fixing bolt 8, an elastic block 9, a transmission box 10, a rotary drum 11, a thread moving rod 12, a bearing 13, a transmission toothed chain 14, a connecting rod 15, an adjusting knob 16, a vertical gear 17, a sliding cylinder 18, a sliding rod 19, a fixing box 20, a thread rotating rod 21, an adjusting rotating wheel 22, an expansion rod 23, a limiting gear 24, a horizontal moving plate 25, a thread connecting block 26 and a supporting block 27.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an auxiliary instrument for gastrointestinal surgery comprises two fixing blocks 1, wherein the bottom of each fixing block 1 is provided with a clamping groove 2, one opposite side of each fixing block 1 is provided with a screw hole 3, a table rod 4 is movably arranged in each clamping groove 2, a first fixing bolt 5 is connected with the screw hole 3 through internal threads, a reinforcing plate 6 is fixedly arranged at the bottom of each fixing block 1, a reinforcing hole 7 is formed at the bottom of each reinforcing plate 6, a second fixing bolt 8 is connected with the internal threads of each reinforcing hole 7, the width of each clamping groove 2 is larger than the diameter of each table rod 4, the top of each second fixing bolt 8 penetrates through the reinforcing plate 6 and the corresponding fixing block 1 and extends into the corresponding fixing block 1, an elastic block 9 is fixedly arranged at the top of each reinforcing plate 6, a transmission box 10 is fixedly arranged at the top of each fixing block 1, two rotary drums 11 are movably arranged at the top of the transmission box, the elastic block 9 is a rubber block, the transmission box 10 is a cuboid with a hollow interior, the bottom of the rotary drum 11 penetrates through the top of the transmission box 10 and extends to the interior of the transmission box 10, the interior of the rotary drum 11 is in threaded connection with a threaded moving rod 12, the top of the transmission box 10 is fixedly provided with a bearing 13, a transmission toothed chain 14 is in transmission connection between the two rotary drums 11, the left side of the transmission box 10 is movably provided with a connecting rod 15, the left side of the connecting rod 15 is fixedly provided with an adjusting knob 16, the right side of the connecting rod 15 is fixedly provided with a vertical gear 17, the transmission toothed chain 14 and the vertical gear 17 are both positioned in the transmission box 10, the transmission toothed chain 14 and the vertical gear 17 are mutually meshed, the top of the transmission box 10 positioned at the top of the back fixed block 1 is fixedly provided with a sliding cylinder 18, the interior of the sliding cylinder 18 is movably provided, through the arrangement of the clamping groove 2 at the bottom of the fixed block 1, the two fixed blocks 1 are inserted on the two operating table rods 4 on the operating table through the clamping groove 2, then the first fixing bolt 5 is inserted into the screw hole 3 to be screwed tightly, so that the first fixing bolt 5 clamps the operating table rods 4 to finish the primary fixation, the reinforcing plate 6 is additionally arranged at the bottom of the fixed block 1, the second fixing bolt 8 is screwed into the reinforcing hole 7, the elastic block 9 at the top of the reinforcing plate 6 tightly presses the operating table rods 4, the fixation stability is further enhanced, the connecting rod 15 can drive the vertical gear 17 to rotate by rotating the adjusting knob 16, so as to drive the transmission toothed chain 14 to move, so that the two rotary drums 11 synchronously rotate in the bearing 13, so that the thread moving rod 12 is moved up and down by the thread thrust, namely the fixing box 20 can be adjusted to move up and down, the lifting of the whole instrument is finished, the precision is higher, and the purposes of accurate height adjustment, two thread rotating rods 21 are movably arranged between opposite sides of the two fixed boxes 20, the front end and the rear end of each thread rotating rod 21 respectively penetrate through the opposite sides of the two fixed boxes 20 and extend to the outer sides of the fixed boxes 20, the length of the sliding barrel 18 is equal to that of the rotating barrel 11, the length of the thread moving rod 12 is equal to that of the thread rotating rod 21, the back surface of the left thread rotating rod 21 and the front surface of the right thread rotating rod 21 are fixedly connected with adjusting rotating wheels 22, telescopic rods 23 are fixedly arranged on opposite sides of the two fixed boxes 20, each telescopic rod 23 is composed of a sleeve and a sleeve rod, the sleeve rods are movably arranged on the inner sides of the sleeves, the two fixed boxes 20 are symmetrically arranged on the front side and the rear side of the central axis of the thread rotating rod 21, a limiting gear 24 is fixedly arranged at one end, far away from the fixed boxes 20, of each telescopic rod 23, a limiting tooth block is fixedly arranged on the, horizontal moving plates 25 are movably mounted on the outer sides of the two threaded rotating rods 21, threaded connecting blocks 26 are fixedly mounted on the outer sides of the horizontal moving plates 25, the threaded rotating rods 21 on the front sides are in threaded connection with the threaded rotating rods 21 on the right sides, the threaded connecting blocks 26 on the back sides are in threaded connection with the threaded rotating rods 21 on the left sides, supporting blocks 27 are fixedly mounted on the right sides of the horizontal moving plates 25, the threaded rotating rods 21 can rotate by rotating the two adjusting rotating wheels 22, the horizontal moving plates 25 are mounted on the outer sides of the threaded rotating rods 21 through the threaded connecting blocks 26, the horizontal moving plates 25 can horizontally move along with the rotation of the threaded rotating rods 21, the two supporting blocks 27 can freely horizontally move to adjust the opening distance of the supporting blocks 27, the tooth blocks on the outer sides of the adjusting rotating wheels 22 are meshed with the limiting gears 24, so that the limiting gears 24 are required to be pulled outwards to rotate the adjusting rotating wheels 22, and the limiting, the safety of the whole device is improved, the adjusting rotating wheel 22 is prevented from being touched by mistake to cause the automatic movement of the supporting block 27, the control is safer and more stable compared with the motor control, the automatic opening of the instrument caused by the fault of the motor is avoided, and the purpose of good stability is achieved.

When using, insert two fixed blocks 1 on two operation table poles 4 on the operating table through draw-in groove 2, screw up first fixing bolt 5 to install gusset plate 6 additional in 1 bottom of fixed block, screw up second fixing bolt 8 again, can fix the device on the operating table, rotatory adjust knob 16 can height-adjusting, and the distraction distance of brace 27 can be adjusted to rotatory regulation runner 22, and whole device is convenient to be adjusted and stable in structure.

In conclusion, the gastrointestinal surgery auxiliary instrument inserts two fixing blocks 1 on two operating table rods 4 on an operating table through the clamping grooves 2 arranged at the bottom of the fixing blocks 1, inserts the first fixing bolts 5 into the screw holes 3 to be screwed tightly, so that the operating table rods 4 are clamped tightly by the first fixing bolts 5 to finish primary fixing, adds the reinforcing plate 6 at the bottom of the fixing blocks 1, screws the second fixing bolts 8 into the reinforcing holes 7, so that the elastic blocks 9 at the top of the reinforcing plate 6 tightly press the operating table rods 4, further enhances the stability of fixing, enables the connecting rod 15 to drive the vertical gear 17 to rotate by rotating the adjusting knob 16, thereby driving the transmission toothed chain 14 to move, enables the two rotary drums 11 to synchronously rotate in the bearing 13, enables the thread moving rod 12 to be pushed by threads to move up and down, namely, the fixing box 20 can be adjusted to move up and down, and the whole instrument can be lifted, and the precision is higher, has reached the accurate and good purpose of stability of altitude mixture control.

Moreover, the threaded rotating rod 21 can be rotated by rotating the two adjusting rotating wheels 22, the horizontal moving plate 25 is installed on the outer side of the threaded rotating rod 21 through the threaded connecting block 26, so that the horizontal moving plate 25 can horizontally move along with the rotation of the threaded rotating rod 21, and further the two supporting blocks 27 can freely and horizontally move to adjust the spreading distance of the supporting blocks 27, the tooth blocks on the outer side of the adjusting rotating wheels 22 are meshed with the limiting gear 24, so that the limiting gear 24 needs to be pulled outwards to rotate the adjusting rotating wheels 22, the adjusting rotating wheels 22 lose the limitation of the limiting gear 24, the safety of the whole device is improved, the automatic movement of the supporting blocks 27 caused by the mistaken touch of the adjusting rotating wheels 22 is prevented, compared with the motor control, the device is safer and more stable, the automatic spreading of the device caused by the failure of the motor is avoided, the purpose of good stability is achieved, and when the device is used for adjusting the height, the height is adjusted in inserting the through-hole of co-altitude through using the bolt, this kind of high regulation mode is too crude, adjust the height accurate inadequately, the condition of high or low partially appears easily, and the device is when fixing with the operating table frame, only adopt fixing bolt to fix, make the device fixed stable inadequately, and strutting of device utilizes motor control, it touches or motor trouble to take place the mistake easily, lead to the device to strut automatically, cause the injury to the patient, make the relatively poor problem of the safety and stability of device.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gastrointestinal surgery auxiliary instrument comprises two fixed blocks (1), and is characterized in that: the surgical operating table is characterized in that a clamping groove (2) is formed in the bottom of the fixing block (1), a screw hole (3) is formed in one side, opposite to the back, of the fixing block (1), an operating table rod (4) is movably mounted in the clamping groove (2), a first fixing bolt (5) is connected to the inner thread of the screw hole (3), a reinforcing plate (6) is fixedly mounted at the bottom of the fixing block (1), a reinforcing hole (7) is formed in the bottom of the reinforcing plate (6), a second fixing bolt (8) is connected to the inner thread of the reinforcing hole (7), an elastic block (9) is fixedly mounted at the top of the reinforcing plate (6), a transmission box (10) is fixedly mounted at the top of the fixing block (1), two rotary drums (11) are movably mounted at the top of the transmission box (10) at the top of the front fixing block (1), and a thread moving rod (12) is connected, the top fixed mounting of transmission box (10) has bearing (13), two the transmission is connected with transmission toothed chain (14) between rotary drum (11), the left side movable mounting of transmission box (10) has connecting rod (15), the left side fixed mounting of connecting rod (15) has adjust knob (16), the right side fixed mounting of connecting rod (15) has vertical gear (17), is located back fixed block (1) top the top fixed mounting of transmission box (10) has slide drum (18), the inside movable mounting of slide drum (18) has slide bar (19), the equal fixed mounting in top of slide bar (19) and screw thread shifting lever (12) has fixed box (20), two movable mounting has screw thread bull stick (21) that quantity is two between the relative one side of fixed box (20), the left side the back of screw thread bull stick (21) and the front of right side screw thread bull stick (21) all fixedly connected with regulation runner (22), two the equal fixed mounting in one side that fixed box (20) carried on the back mutually has telescopic link (23), the one end fixed mounting that fixed box (20) were kept away from in telescopic link (23) has stop gear (24), two the equal movable mounting in the outside of screw thread bull stick (21) has horizontal migration board (25), the outside fixed mounting of horizontal migration board (25) has threaded connection piece (26), the right side fixed mounting of horizontal migration board (25) has bracer (27).

2. A gastrointestinal surgery assistance apparatus according to claim 1 wherein: the width of the clamping groove (2) is larger than the diameter of the operating table rod (4), and the top of the second fixing bolt (8) penetrates through the reinforcing plate (6) and the fixing block (1) and extends to the inside of the fixing block (1).

3. A gastrointestinal surgery assistance apparatus according to claim 1 wherein: the elastic block (9) is a rubber block, the transmission box (10) is a cuboid with a hollow interior, and the bottom of the rotary drum (11) penetrates through the top of the transmission box (10) and extends to the interior of the transmission box (10).

4. A gastrointestinal surgery assistance apparatus according to claim 1 wherein: the transmission gear chain (14) and the vertical gear (17) are both positioned in the transmission box (10), and the transmission gear chain (14) and the vertical gear (17) are meshed with each other.

5. A gastrointestinal surgery assistance apparatus according to claim 1 wherein: the length of the sliding cylinder (18) is equal to that of the rotary cylinder (11), and the length of the threaded moving rod (12) is equal to that of the threaded rotary rod (21).

6. A gastrointestinal surgery assistance apparatus according to claim 1 wherein: telescopic link (23) comprise sleeve and loop bar, telescopic inboard movable mounting has the loop bar, two fixed box (20) are both sides around symmetric distribution in screw bull stick (21) axis.

7. A gastrointestinal surgery assistance apparatus according to claim 1 wherein: the front end and the rear end of the threaded rotating rod (21) respectively penetrate through one side of the two fixed boxes (20) opposite to each other and extend to the outer side of the fixed boxes (20).

8. A gastrointestinal surgery assistance apparatus according to claim 1 wherein: the outer side of the adjusting rotating wheel (22) is fixedly provided with a limiting tooth block, and the limiting tooth block is meshed with the limiting gear (24).

9. A gastrointestinal surgery assistance apparatus according to claim 1 wherein: the front side is in threaded connection with the right threaded rotating rod (21) through the threaded connecting block (26), and the back side is in threaded connection with the left threaded rotating rod (21) through the threaded connecting block (26).