CN111281448A - An auxiliary instrument for gastrointestinal surgery - Google Patents

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

An auxiliary instrument for gastrointestinal surgery

technical field

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

Background technique

General surgery mostly uses surgery to treat liver, biliary tract, pancreas, gastrointestinal, anorectal and vascular diseases. When treating gastrointestinal diseases, auxiliary devices such as openers are usually needed to assist doctors in the operation.

There are various types of surgical aids currently on the market. For example, Chinese patent CN 105769262B discloses a gastrointestinal surgical aid, including a fixing frame, a lead screw and a first support rod. The fixing frame is connected to the surgical The frames on both sides of the table are fixedly connected, the two ends of the upper surface of the fixing frame are symmetrically welded with sleeves, the inside of the sleeve is matched with a sliding rod, and the surfaces of the sleeve and the sliding rod are evenly provided with through holes, and the sleeve and the sliding rod are uniformly opened. Connecting bolts are installed inside the through holes corresponding to the rods, the upper end of the sliding rod is welded with a crossbar, the two ends of the lead screw one and the second lead screw are connected to the crossbar through bearings, and the right end of the lead screw one is connected to the servo motor one. connection, and the first servo motor and the second servo motor are both fixedly connected to the cross bar on the corresponding side through the mounting bracket, and the first servo motor and the second servo motor are both connected with the controller on the side of the fixed frame through the wire, and the inventive device has the ability to automatically expand the wound. , precise control of the size and height of the force and a series of advantages such as stable use. However, when the device adjusts the height, the height is adjusted by inserting bolts into through holes of different heights. This height adjustment method is too simple and the height adjustment is not enough. Accurate, it is easy to be high or low, and when the device is fixed with the operating table frame, it is only fixed with fixing bolts, which makes the device not stable enough, and the opening of the device is controlled by a motor, which is prone to errors. contact or motor failure, causing the device to open automatically, causing harm to the patient, and making the device less safe and stable.

SUMMARY OF THE INVENTION

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the present invention provides an auxiliary instrument for gastrointestinal surgery, which has the advantages of precise height adjustment and good stability, and solves the problem that when the device adjusts the height, it uses bolts to be inserted into through holes of different heights. Adjusting the height, this height adjustment method is too simple, the height adjustment is not accurate enough, and it is easy to be high or low, and when the device is fixed with the operating table frame, it is only fixed with fixing bolts, so that the device is not fixed enough. The device is stable, and the opening of the device is controlled by a motor, which is prone to accidental touch or motor failure, causing the device to automatically open, causing harm to the patient, and making the device less safe and stable.

(2) Technical solutions

In order to achieve the above purpose of precise height adjustment and good stability, the present invention provides the following technical solution: an auxiliary instrument for gastrointestinal surgery, comprising two fixing blocks, the bottom of the fixing block is provided with a slot, and the fixing The opposite side of the block is provided with a screw hole, an operating table rod is movably installed inside the card slot, a first fixing bolt is threadedly connected to the inside of the screw hole, and a reinforcement plate is fixedly installed at the bottom of the fixing block , the bottom of the reinforcing plate is provided with a reinforcing hole, the inside of the reinforcing hole is threadedly connected with a second fixing bolt, the top of the reinforcing plate is fixedly installed with an elastic block, and the top of the fixed block is fixedly installed with a transmission box, The top of the transmission box on the front is movably installed with two rotating drums, the interior of the rotating drum is threadedly connected with a threaded moving rod, the top of the transmission box is fixedly installed with a bearing, and the two rotating drums are installed between the two rotating drums. The transmission is connected with a transmission tooth chain, a connecting rod is movably installed on the left side of the transmission box, an adjustment knob is fixedly installed on the left side of the connecting rod, a vertical gear is fixedly installed on the right side of the connecting rod, and the transmission A sliding cylinder is fixedly installed on the top of the box, a sliding rod is movably installed inside the sliding cylinder, a fixed box is fixedly installed on the top of the sliding rod and the threaded moving rod, and the opposite sides of the two fixed boxes are installed. Two threaded rotating rods are movably installed, the back of the left threaded rotating rod and the front of the right threaded rotating rod are fixedly connected with adjusting wheels, and the opposite sides of the two fixed boxes are fixed A telescopic rod is installed, the end of the telescopic rod away from the fixed box is fixedly installed with a limit gear, the outer sides of the two threaded rotating rods are movably installed with a horizontal moving plate, and the outer side of the horizontal moving plate is fixedly installed with a threaded connection block , a support block is fixedly installed on the right side of the horizontal moving plate.

Preferably, the width of the clamping slot is larger than the diameter of the operating table rod, and the top of the second fixing bolt penetrates the reinforcing plate and the fixing block and extends to the interior of the fixing block.

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

Preferably, both the transmission tooth chain and the vertical gear are located inside the transmission box, and the transmission tooth chain and the vertical gear mesh with each other.

Preferably, the length of the sliding cylinder is equal to the length of the rotating cylinder, and the length of the threaded moving rod is equal to the length of the threaded rotating rod.

Preferably, the telescopic rod is composed of a sleeve and a sleeve rod, a sleeve rod is movably installed on the inner side of the sleeve, and the two fixed boxes are symmetrically distributed on the front and rear sides of the central axis of the threaded rod.

Preferably, the front and rear ends of the threaded rotating rod respectively penetrate opposite sides of the two fixing boxes and extend to the outside of the fixing boxes.

Preferably, a limit tooth block is fixedly installed on the outer side of the adjusting wheel, and the limit tooth block and the limit gear are meshed with each other.

Preferably, the threaded connection block on the front is threadedly connected with the right threaded rotating rod, and the threaded connecting block on the back is threadedly connected with the left threaded rotating rod.

(3) Beneficial effects

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

1. The auxiliary instrument for gastrointestinal surgery, through the setting of the slot at the bottom of the fixing block, insert the two fixing blocks on the two operating table rods on the operating table through the card slot, and then insert the first fixing bolt into the screw hole and tighten it. , make the first fixing bolt clamp the operating table rod to complete the preliminary fixation, and then install the reinforcement plate on the bottom of the fixing block, and screw the second fixing bolt into the reinforcement hole, so that the elastic block on the top of the reinforcement board will tighten the operating table rod Compression further strengthens the stability of the fixation. By rotating the adjustment knob, the connecting rod can drive the vertical gear to rotate, thereby driving the transmission tooth chain to move, so that the two drums rotate synchronously in the bearing, so that the threaded moving rod is threaded When the thrust moves up and down, the fixed box can be adjusted to move up and down to complete the lifting and lowering of the whole instrument, and the precision is higher, and the purpose of accurate height adjustment and good stability is achieved.

2. The gastrointestinal surgery auxiliary instrument can rotate the threaded rod by rotating the two adjustment wheels, and the horizontal moving plate is installed on the outside of the threaded rod through the threaded connection block, so that the horizontal moving plate can rotate with the thread. The rotation of the rod moves horizontally, so that the two support blocks can move horizontally freely to adjust the distance of the support blocks. The tooth block outside the adjustment wheel is meshed with the limit gear, so you want to rotate the adjustment wheel. It is necessary to pull the limit gear outward, so that the adjustment wheel loses the limit of the limit gear, which increases the safety of the whole device, prevents the adjustment wheel from being accidentally touched and causes the support block to move automatically, which is safer and more stable than motor control. , the device will not be automatically opened due to the failure of the motor, and the purpose of achieving good stability is achieved.

Description of drawings

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

Fig. 2 is a top view of an auxiliary instrument for gastrointestinal surgery proposed by the present invention;

Figure 3 is a right side view of an auxiliary instrument for gastrointestinal surgery proposed by the present invention.

In the picture: 1 fixing block, 2 card slots, 3 screw holes, 4 operating table rods, 5 first fixing bolts, 6 reinforcing plates, 7 reinforcing holes, 8 second fixing bolts, 9 elastic blocks, 10 transmission boxes, 11 turns Cylinder, 12 threaded moving rod, 13 bearing, 14 transmission tooth chain, 15 connecting rod, 16 adjusting knob, 17 vertical gear, 18 sliding cylinder, 19 sliding rod, 20 fixed box, 21 threaded rod, 22 adjusting wheel, 23 Telescopic rod, 24 limit gear, 25 horizontal moving plate, 26 threaded connection block, 27 support block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Fig. 1-3, an auxiliary instrument for gastrointestinal surgery, including two fixing blocks 1, the bottom of the fixing block 1 is provided with a slot 2, and the opposite side of the fixing block 1 is provided with screw holes 3 , an operating table rod 4 is movably installed inside the card slot 2, a first fixing bolt 5 is threadedly connected to the inside of the screw hole 3, a reinforcement plate 6 is fixedly installed at the bottom of the fixing block 1, and a reinforcement hole 7 is opened at the bottom of the reinforcement plate 6. , a second fixing bolt 8 is threaded inside the reinforcement hole 7, the width of the slot 2 is larger than the diameter of the operating table rod 4, and the top of the second fixing bolt 8 penetrates the reinforcement plate 6 and the fixing block 1 and extends to the end of the fixing block 1. Inside, an elastic block 9 is fixedly installed on the top of the reinforcing plate 6, a transmission box 10 is fixedly installed on the top of the fixed block 1, two rotating drums 11 are movably installed on the top of the front transmission box 10, and the elastic block 9 is a rubber block. , the transmission box 10 is an inner hollow cuboid, the bottom of the rotating 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 rotating drum 11 is threadedly connected with a threaded moving rod 12, and the top of the transmission box 10 is fixedly installed There is a bearing 13, a transmission tooth chain 14 is drivingly connected between the two drums 11, a connecting rod 15 is movably installed on the left side of the transmission box 10, an adjusting knob 16 is fixedly installed on the left side of the connecting rod 15, and the right side of the connecting rod 15 is installed. The vertical gear 17 is fixedly installed on the side, the transmission tooth chain 14 and the vertical gear 17 are located inside the transmission box 10, the transmission tooth chain 14 and the vertical gear 17 are meshed with each other, and the top of the rear transmission box 10 is fixedly installed with a sliding cylinder 18, the sliding cylinder A sliding rod 19 is movably installed inside the 18, and a fixed box 20 is fixedly installed on the top of the sliding rod 19 and the threaded moving rod 12. Through the setting of the slot 2 at the bottom of the fixing block 1, the two fixing blocks 1 are inserted through the slot 2. On the two operating table rods 4 on the operating table, insert the first fixing bolts 5 into the screw holes 3 and tighten them, so that the first fixing bolts 5 clamp the operating table rods 4 to complete the preliminary fixing, and then tighten the reinforcing plate 6 It is installed at the bottom of the fixing block 1, and the second fixing bolt 8 is screwed into the reinforcement hole 7, so that the elastic block 9 on the top of the reinforcement plate 6 presses the operating table rod 4, which further strengthens the stability of the fixation. 16. The connecting rod 15 can drive the vertical gear 17 to rotate, thereby driving the transmission gear chain 14 to move, so that the two drums 11 rotate synchronously in the bearing 13, so that the threaded moving rod 12 is moved up and down by the threaded thrust, which can be adjusted and fixed. The box 20 moves up and down to complete the lifting and lowering of the entire instrument, and the precision is higher, and the purpose of accurate height adjustment and good stability is achieved. Two threaded rotating rods are movably installed between the opposite sides of the two fixed boxes 20 21. The front and rear ends of the threaded rotating rod 21 respectively penetrate the opposite sides of the two fixed boxes 20 and extend to the outside of the fixed boxes 20. The length of the sliding cylinder 18 is equal to the length of the rotating cylinder 11, and the length of the threaded moving rod 12 is equal to The lengths of the threaded rotating rods 21 are equal, the back of the left threaded rotating rod 21 and the front of the right threaded rotating rod 21 are fixedly connected with an adjusting wheel 22, and the opposite sides of the two fixing boxes 20 are fixedly installed with telescopic rods 23, telescopic rod 2 3. It consists of a sleeve and a sleeve rod. A sleeve rod is installed on the inner side of the sleeve. The two fixed boxes 20 are symmetrically distributed on the front and rear sides of the central axis of the threaded rod 21. The telescopic rod 23 is fixedly installed at one end away from the fixed box 20. The limit gear 24 is fixedly installed on the outer side of the adjustment wheel 22, and the limit tooth block and the limit gear 24 are meshed with each other. The outer sides of the two threaded rods 21 are movably installed with a horizontal moving plate 25. The horizontal moving plate The outer side of 25 is fixedly installed with a threaded connection block 26, the front threaded connection block 26 is threadedly connected with the right threaded rod 21, the back threaded connection block 26 is threaded with the left threaded rod 21, and the right side of the horizontal moving plate 25 is fixedly installed There is a support block 27, by rotating the two adjusting wheels 22, the threaded rod 21 can be rotated, and the horizontal moving plate 25 is installed on the outer side of the threaded rod 21 through the threaded connection block 26, so that the horizontal moving plate 25 can follow the The rotation of the threaded rod 21 moves horizontally, so that the two support blocks 27 can move horizontally freely to adjust the opening distance of the support blocks 27. The tooth block outside the adjustment wheel 22 is meshed with the limit gear 24. Therefore, if you want to rotate the adjustment wheel 22, you need to pull the limit gear 24 outward, so that the adjustment wheel 22 loses the limit of the limit gear 24, which increases the safety of the whole device and prevents the adjustment wheel 22 from being accidentally touched. The support block 27 moves automatically, which is safer and more stable than the motor control, and will not automatically open the instrument due to the failure of the motor, thus achieving the goal of achieving good stability.

When in use, insert the two fixing blocks 1 on the two operating table rods 4 on the operating table through the card slot 2, tighten the first fixing bolt 5, and install the reinforcing plate 6 on the bottom of the fixing block 1, and then tighten The second fixing bolt 8 can fix the device on the operating table, the height can be adjusted by rotating the adjusting knob 16, and the opening distance of the support block 27 can be adjusted by rotating the adjusting wheel 22. The entire device is easy to adjust and has a stable structure.

To sum up, the auxiliary instrument for gastrointestinal surgery, through the setting of the locking groove 2 at the bottom of the fixing block 1, inserts the two fixing blocks 1 on the two operating table rods 4 on the operating table through the locking groove 2, and then inserts the first A fixing bolt 5 is inserted into the screw hole 3 and tightened, so that the first fixing bolt 5 clamps the operating table rod 4 to complete the preliminary fixing, and then the reinforcing plate 6 is installed on the bottom of the fixing block 1, and the second fixing bolt 8 is screwed into In the reinforcement hole 7, the elastic block 9 on the top of the reinforcement plate 6 presses the operating table rod 4, which further strengthens the stability of the fixation. By rotating the adjustment knob 16, the connecting rod 15 can drive the vertical gear 17 to rotate, thereby driving the transmission The toothed chain 14 moves, so that the two drums 11 rotate synchronously in the bearing 13, so that the threaded moving rod 12 is moved up and down by the threaded thrust, and the fixed box 20 can be adjusted to move up and down to complete the lifting and lowering of the entire instrument with higher precision. It achieves the purpose of precise height adjustment and good stability.

In addition, by rotating the two adjusting wheels 22, the threaded rod 21 can be rotated, and the horizontal moving plate 25 is installed on the outer side of the threaded rod 21 through the threaded connection block 26, so that the horizontal moving plate 25 can follow the threaded rod 25. 21 rotates to move horizontally, so that the two support blocks 27 can move horizontally freely to adjust the distance of the support blocks 27. The tooth block outside the adjustment wheel 22 is meshed with the limit gear 24, so it is desired to Rotating the adjusting wheel 22 needs to pull the limit gear 24 outward, so that the adjusting wheel 22 loses the limitation of the limit gear 24, which increases the safety of the whole device and prevents the adjusting wheel 22 from being accidentally touched and causing the support block 27 The automatic movement is safer and more stable than the motor control, and the instrument will not be automatically stretched due to the failure of the motor, which achieves the purpose of achieving good stability. The height adjustment method is too simple, the height adjustment is not accurate enough, and it is easy to be high or low. When the device is fixed with the operating table frame, it is only fixed with fixing bolts, so that the The fixation of the device is not stable enough, and the opening of the device is controlled by a motor, which is prone to accidental touch or motor failure, causing the device to automatically open, causing harm to the patient, and making the device less safe and stable.

It should be noted that the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a series of elements includes not only those elements, but also no Other elements expressly listed, or which are also inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

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

Claims (9)

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 other side, 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) in the front side, and a thread moving rod (12) is, 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), the back 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 the 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 equal fixed connection in front of right side screw thread bull stick (21) have adjusting 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).

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