CN107661562B

CN107661562B - Accurate-feeding intra-operative catheter fixing device and working method thereof

Info

Publication number: CN107661562B
Application number: CN201710985577.6A
Authority: CN
Inventors: 贾伟; 李恩强; 宋文静; 丁乃祥
Original assignee: Individual
Current assignee: JIA WEI
Priority date: 2017-10-20
Filing date: 2017-10-20
Publication date: 2020-04-10
Anticipated expiration: 2037-10-20
Also published as: CN107661562A

Abstract

The invention relates to a conduit fixing device in operation capable of accurately feeding and a working method thereof, belonging to the field of medical instruments.

Description

Accurate-feeding intra-operative catheter fixing device and working method thereof

Technical Field

The invention relates to an accurate-feeding intra-operation catheter fixing device and a working method thereof, and belongs to the field of medical instruments.

Background

Interventional therapy is a minimally invasive therapy carried out by modern high-tech means, namely, under the guidance of medical imaging equipment, special catheters, guide wires and other precise instruments are introduced into a human body to diagnose and locally treat internal diseases.

The digital technology is applied to interventional therapy, the visual field of a doctor is expanded, the hands of the doctor are prolonged by means of the catheter and the guide wire, and the incision (puncture point) of the doctor is only rice grain in size, so that a plurality of diseases which cannot be treated in the past and have poor curative effect such as tumors, hemangiomas, various kinds of bleeding and the like can be treated without cutting human tissues. The interventional therapy has the characteristics of no operation, small wound, quick recovery and good effect. Is the development trend of future medicine.

When the horizontal height of the end part of the catheter is larger than that of the catheter behind the end part of the catheter, air bubbles in the catheter easily enter the human body under the action of buoyancy, so that the health of a patient is harmed, and even the life of the patient is harmed particularly in a blood vessel intervention operation. During the introduction of the catheter into the human body, the catheter is generally manually fed by a doctor, but the manual feeding has the problem of inaccurate feeding amount.

Disclosure of Invention

According to the defects in the prior art, the technical problems to be solved by the invention are as follows: the catheter fixing device in the operation and the working method thereof can be used for accurately feeding the catheter, the catheter can be properly lifted according to the operation condition, air embolism caused by air entering a human body is prevented, the catheter can be quantitatively and accurately fed according to the operation condition, and the operation effect is ensured.

The invention relates to an accurate-feeding catheter fixing device in operation, which comprises a base, wherein a guide hole is formed in the base, a guide rod is matched in the guide hole, a shelf is fixed at the top end of the guide rod, a lifting air bag is arranged between the shelf and the base and is connected with a power air bag through an air guide tube, a one-way valve is arranged at the joint of the lifting air bag and the air guide tube, an air release valve is arranged on the lifting air bag, a stop block is fixed at the bottom end of the guide rod, a lifting spring is sleeved on the guide rod and is positioned between the stop block and the base, a bottom plate is fixed at the bottom of the power air bag, a pressure plate is arranged above the;

the device comprises a feeding device, wherein the feeding device comprises a limiting barrel, the limiting barrel is fixed on a shelf, the limiting barrel is blocked towards the outer end, the limiting barrel is opened towards the inner end, a jacking spring is arranged in the limiting barrel and abuts against the tail end of a telescopic rod, the telescopic rod is arranged in the limiting barrel, the front end of the telescopic rod extends out of the limiting barrel, the front end of the telescopic rod is hinged with a roller, the axis of the roller is vertical to the upper surface of a base, a pulley is arranged at the position corresponding to the roller, the pulley is installed on the base through a rotating shaft, a driven gear is coaxially fixed at the upper part of the pulley, a driving gear is arranged corresponding to the driven gear, a knob is coaxially fixed on the driving gear, the driving gear is installed;

the shelf is provided with a groove, the groove is internally matched with the sliding block, the upper surface of the sliding block is an inclined plane, a fixed block is further arranged in the groove, the fixed block is U-shaped, the side edge of the fixed block abuts against the inclined plane of the sliding block, a threaded hole is formed in the shelf corresponding to the tail end of the sliding block, and a bolt is matched in the threaded hole.

The shelf upper surface fixes the magnet board, sets up the through-hole on the magnet board, and the position of through-hole corresponds with the both ends position of fixed block, and the actuation stopper on the magnet board, stopper are iron, and the stopper lower part sets up the rhombus cylindricality recess, puts the pipe on the magnet board, then blocks the recess card of stopper on the pipe and the actuation is on the magnet board, prevents that the pipe from droing.

The base is vertically fixed with the scale which is close to the shelf, and the height of the shelf can be mastered through the scale.

The gyro wheel is the rubber material, prevents that the pipe from skidding.

The groove of the pulley is coated with rubber to prevent the guide pipe from slipping.

The base lower surface fixed suction cup, the base can adsorb on the smooth surface of sick bed through the sucking disc.

Principle and process of operation

When the medical bed is in work, the base is embedded on the medical bed, the catheter is placed on the shelf, then the bolt is rotated, the bolt jacks the sliding block, the sliding block moves towards the fixed block, the inclined surface of the sliding block forces the fixed block to move upwards, then the two ends of the fixed block extend out of the shelf, and the catheter can be placed between the two ends of the fixed block to prevent the catheter from deviating. Pedal clamp plate, the power gasbag is pushed down to the clamp plate, the power gasbag impresses the air lift gasbag, lift the foot, the power gasbag resets, atmospheric pressure impresses the power gasbag with the air through the check valve, and the air can not leak through the check valve, the lift gasbag sets up the check valve with air duct engagement department, can not reveal behind the air admission lift gasbag, and then the inflation of lift gasbag, jack-up the shelf, and then jack-up the pipe, make the level at pipe end portion be less than the level of the pipe at pipe end portion rear, prevent that the bubble from getting into the human embolism that arouses. With the pipe card in the recess of pulley, then rotatory knob, the knob drives the driving gear and rotates, and the driving gear drives driven gear and rotates, and driven gear drives the pulley and rotates, and the pulley drives the pipe and feeds, and the driving gear diameter is less than driven gear's diameter, can realize the small of pipe and feed like this. Regardless of the thick guide pipe, the jacking spring enables the roller to be always extruded on the guide pipe, so that the guide pipe is prevented from falling off. When not the time, open the release valve, lifting spring can make the guide bar move down, and then pushes down the lift gasbag, emits the air of lift gasbag, reduces the strain of lift gasbag.

Compared with the prior art, the invention has the beneficial effects that:

the invention relates to a conduit fixing device in operation capable of accurately feeding and a working method thereof.A base is embedded on a patient bed, a conduit is placed on a shelf, then a bolt is rotated to push a sliding block, the sliding block moves towards a fixed block, the inclined surface of the sliding block forces the fixed block to move upwards, then two ends of the fixed block extend out of the shelf, and the conduit can be placed between two ends of the fixed block to prevent the conduit from deviating. Pedal clamp plate, the power gasbag is pushed down to the clamp plate, the power gasbag impresses the air lift gasbag, lift the foot, the power gasbag resets, atmospheric pressure impresses the power gasbag with the air through the check valve, and the air can not leak through the check valve, the lift gasbag sets up the check valve with air duct engagement department, can not reveal behind the air admission lift gasbag, and then the inflation of lift gasbag, jack-up the shelf, and then jack-up the pipe, make the level at pipe end portion be less than the level of the pipe at pipe end portion rear, prevent that the bubble from getting into the human embolism that arouses. With the pipe card in the recess of pulley, then rotatory knob, the knob drives the driving gear and rotates, and the driving gear drives driven gear and rotates, and driven gear drives the pulley and rotates, and the pulley drives the pipe and feeds, and the driving gear diameter is less than driven gear's diameter, can realize the small of pipe and feed like this. Regardless of the thick guide pipe, the jacking spring enables the roller to be always extruded on the guide pipe, so that the guide pipe is prevented from falling off. Not the time spent, open the release valve, lift spring can make the guide bar move down, and then pushes down the lift gasbag, emits the air of lift gasbag, reduces the strain of lift gasbag, can suitably lift the pipe according to the operation condition, prevents that the air from getting into the human air embolism that leads to, can guarantee the operation effect according to operation condition ration and accurate pipe of feeding.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of embodiment A shown in FIG. 1;

fig. 3 is a schematic structural view of the feeding device of the embodiment shown in fig. 1.

In the figure: 1. an air duct; 2. a base; 3. a shelf; 4. a first groove; 5. a one-way valve; 6. a lifting air bag; 7. a scale; 8. a gas release valve; 9. a guide bar; 10. a lift spring; 11. a stopper; 12. a guide hole; 13. pressing a plate; 14. a slider; 15. a fixed block; 16. a threaded hole; 17. a bolt; 18. a powered air bag; 19. a magnet plate; 20. a base plate; 21. a limiting block; 22. a limiting cylinder; 23. pushing the spring; 24. a telescopic rod; 25. a roller; 26. a conduit; 27. a driven gear; 28. a pulley; 29. a driving gear; 30. a knob; 31. a second groove; 32. and a third groove.

Detailed Description

Embodiments of the invention are further described below with reference to the accompanying drawings:

as shown in fig. 1-3, the device for fixing a precisely feedable intraoperative catheter 26 comprises a base 2, wherein a guide hole 12 is formed in the base 2, a guide rod 9 is matched in the guide hole 12, a shelf 3 is fixed at the top end of the guide rod 9, a lifting airbag 6 is arranged between the shelf 3 and the base 2, the lifting airbag 6 is connected with a power airbag 18 through an air guide tube 1, a one-way valve 5 is arranged at the joint of the lifting airbag 6 and the air guide tube 1, an air release valve 8 is arranged on the lifting airbag 6, a stop block 11 is fixed at the bottom end of the guide rod 9, a lifting spring 10 is sleeved on the guide rod 9, the lifting spring 10 is positioned between the stop block 11 and the base 2, a bottom plate 20 is fixed at the bottom of the power airbag 18, a pressure plate 13 is arranged above the power airbag 18, the pressure plate 13 is hinged;

comprises a feeding device, the feeding device comprises a limiting cylinder 22, the limiting cylinder 22 is fixed on a shelf 3, the limiting cylinder 22 is blocked towards the outer end, the limiting cylinder 22 is opened towards the inner end, a jacking spring 23 is arranged in the limiting cylinder 22, the jacking spring 23 is propped against the tail end of a telescopic rod 24, the telescopic rod 24 is arranged in the limiting cylinder 22, the front end of the telescopic rod 24 extends out of the limiting cylinder 22, the front end of the telescopic rod 24 is hinged with a roller 25, the axis of the roller 25 is vertical to the upper surface of a base 2, a pulley 28 is arranged corresponding to the position of the roller 25, the pulley 28 is arranged on the base 2 through a rotating shaft, a driven gear 27 is coaxially fixed at the upper part of the pulley 28, a driving gear 29 is arranged corresponding to the driven gear 27, a knob 30 is coaxially fixed on the driving gear 29, the driving gear 29 is installed on the base 2 through a rotating shaft, a sliding groove is formed in the edge of the pulley 28, the conduit 26 is clamped in the sliding groove, and the diameter of the driving gear 29 is smaller than that of the driven gear 27;

set up first recess 4 on the shelf 3, first recess 4 internal fit slider 14, the upper surface of slider 14 is the inclined plane, still sets up fixed block 15 in the first recess 4, and fixed block 15 is the U-shaped, and fixed block 15 side supports on the inclined plane of slider 14, sets up screw hole 16 on the shelf 3 that corresponds at the slider 14 tail end, and screw hole 16 internal fit bolt 17.

Shelf 3 fixed surface magnet board 19 sets up the through-hole on the magnet board 19, and the position of through-hole corresponds with the both ends position of fixed block 15, attracts on the magnet board 19 stopper 21, and stopper 21 is iron, and stopper 21 lower part sets up three prism shape second recess 31, puts pipe 26 on magnet board 19, then blocks the second recess 31 of stopper 21 on pipe 26 and attracts on magnet board 19, prevents that pipe 26 from droing.

The scale 7 is vertically fixed on the base 2, the scale 7 is next to the shelf 3, and the height of the shelf 3 can be grasped through the scale 7.

The rollers 25 are made of rubber to prevent the guide tube 26 from slipping.

The third groove 32 of the pulley 28 is coated with rubber to prevent the conduit 26 from slipping.

The surface mounting sucking disc under base 2, base 2 can adsorb on the smooth surface of sick bed through the sucking disc.

Principle and process of operation

When the medical bed is in work, the base 2 is embedded on the medical bed, the guide pipe 26 is placed on the shelf 3, then the bolt 17 is rotated, the bolt 17 jacks the sliding block 14, the sliding block 14 moves towards the fixed block 15, the inclined surface of the sliding block 14 forces the fixed block 15 to move upwards, then the two ends of the fixed block 15 extend out of the shelf 3, and the guide pipe 26 can be placed between the two ends of the fixed block 15 to prevent the guide pipe 26 from deviating. Pedal clamp plate 13, clamp plate 13 pushes down power gasbag 18, power gasbag 18 impresses the air lift gasbag 6, lift up the foot, power gasbag 18 resets, atmospheric pressure impresses the air power gasbag 18 through check valve 5, and the air can not leak through check valve 5, lift gasbag 6 sets up check valve 5 with the department of meeting of air duct 1, can not reveal after the air admission lift gasbag 6, and then lift gasbag 6 inflation, with shelf jack-up, and then with pipe 26 jack-up, make the level of pipe 26 tip be less than the level of pipe 26 at pipe 26 tip rear, prevent that the bubble from getting into the human embolism that arouses. The guide pipe 26 is clamped in the third groove 32 of the pulley 28, then the knob 30 is rotated, the knob 30 drives the driving gear 29 to rotate, the driving gear 29 drives the driven gear 27 to rotate, the driven gear 27 drives the pulley 28 to rotate, the pulley 28 drives the guide pipe 26 to feed, and the diameter of the driving gear 29 is smaller than that of the driven gear 27, so that the micro-feeding of the guide pipe 26 can be realized. Regardless of how thick the guide tube 26 is placed, the urging spring 23 causes the roller 25 to be always pressed against the guide tube 26, preventing the guide tube 26 from falling off. When the lifting air bag is not used, the air release valve 8 is opened, the lifting spring 10 can enable the guide rod 9 to move downwards, the lifting air bag 6 is pressed downwards, air of the lifting air bag 6 is discharged, and strain of the lifting air bag 6 is reduced.

Compared with the prior art, the invention has the beneficial effects that:

according to the fixing device for the accurately-fed conduit 26 in the operation, the base 2 is embedded on a patient bed, the conduit 26 is placed on the shelf 3, then the bolt 17 is rotated, the bolt 17 pushes the sliding block 14, the sliding block 14 moves towards the fixed block 15, the inclined surface of the sliding block 14 forces the fixed block 15 to move upwards, the two ends of the fixed block 15 extend out of the shelf 3, and the conduit 26 can be placed between the two ends of the fixed block 15 to prevent the conduit 26 from deviating. Pedal clamp plate 13, clamp plate 13 pushes down power gasbag 18, power gasbag 18 impresses the air lift gasbag 6, lift up the foot, power gasbag 18 resets, atmospheric pressure impresses the air power gasbag 18 through check valve 5, and the air can not leak through check valve 5, lift gasbag 6 sets up check valve 5 with the department of meeting of air duct 1, can not reveal after the air admission lift gasbag 6, and then lift gasbag 6 inflation, with shelf 3 jack-up, and then with pipe 26 jack-up, make the level of pipe 26 tip be less than the level of pipe 26 at pipe 26 tip rear, prevent that the bubble from getting into the human embolism that arouses. The guide pipe 26 is clamped in the third groove 32 of the pulley 28, then the knob 30 is rotated, the knob 30 drives the driving gear 29 to rotate, the driving gear 29 drives the driven gear 27 to rotate, the driven gear 27 drives the pulley 28 to rotate, the pulley 28 drives the guide pipe 26 to feed, and the diameter of the driving gear 29 is smaller than that of the driven gear 27, so that the micro-feeding of the guide pipe 26 can be realized. Regardless of how thick the guide tube 26 is placed, the urging spring 23 causes the roller 25 to be always pressed against the guide tube 26, preventing the guide tube 26 from falling off. Not the time spent, open snuffle valve 8, lift spring 10 can make guide bar 9 downstream, and then pushes down lift gasbag 6, emits lift gasbag 6's air, reduces lift gasbag 6's strain, can properly lift up pipe 26 according to the operation condition, prevents that the air from getting into the human body and leading to the air embolism, can be according to operation condition ration and accurate feed pipe 26, guarantees the operation effect.

Claims

1. An accurately feedable intra-operative catheter securement device, comprising: the lifting air bag lifting device comprises a base (2), a guide hole (12) is formed in the base (2), a guide rod (9) is matched in the guide hole (12), a shelf (3) is fixed at the top end of the guide rod (9), a lifting air bag (6) is arranged between the shelf (3) and the base (2), the lifting air bag (6) is connected with a power air bag (18) through an air guide pipe (1), a one-way valve (5) is arranged at the joint of the lifting air bag (6) and the air guide pipe (1), an air release valve (8) is arranged on the lifting air bag (6), a stop block (11) is fixed at the bottom end of the guide rod (9), a lifting spring (10) is sleeved on the guide rod (9), the lifting spring (10) is located between the stop block (11) and the base (2), a bottom fixing bottom plate (20) is arranged at the bottom of the power air bag (18), a pressing plate (13) is arranged above the power air;

comprises a feeding device, the feeding device comprises a limiting cylinder (22), the limiting cylinder (22) is fixed on a shelf (3), the limiting cylinder (22) is blocked towards the outer end, the limiting cylinder (22) is opened towards the inner end, a jacking spring (23) is arranged in the limiting cylinder (22), the jacking spring (23) is propped against the tail end of a telescopic rod (24), the telescopic rod (24) is arranged in the limiting cylinder (22), the front end of the telescopic rod (24) extends out of the limiting cylinder (22), the front end of the telescopic rod (24) is hinged with a roller (25), the axis of the roller (25) is vertical to the upper surface of a base (2), a pulley (28) is arranged corresponding to the position of the roller (25), the pulley (28) is arranged on the base (2) through a rotating shaft, a driven gear (27) is coaxially fixed on the upper part of the pulley (28), a driving gear (29) is arranged corresponding to the driven gear (, the driving gear (29) is installed on the base (2) through a rotating shaft, a sliding groove is formed in the edge of the pulley (28), the guide pipe (26) is clamped in the sliding groove, and the diameter of the driving gear (29) is smaller than that of the driven gear (27);

a first groove (4) is formed in the shelf (3), a sliding block (14) is matched in the first groove (4), the upper surface of the sliding block (14) is an inclined plane, a fixing block (15) is further arranged in the first groove (4), the fixing block (15) is U-shaped, the side edge of the fixing block (15) abuts against the inclined plane of the sliding block (14), a threaded hole (16) is formed in the shelf (3) corresponding to the tail end of the sliding block (14), and a bolt (17) is matched in the threaded hole (16);

shelf (3) surface mounting magnet board (19), set up the through-hole on magnet board (19), the position of through-hole corresponds with the both ends position of fixed block (15), and actuation stopper (21) on magnet board (19), stopper (21) are iron, and stopper (21) lower part sets up three rhombus cylindricality second recess (31).

2. The precision feedable intraoperative catheter securement device of claim 1, wherein: a scale (7) is vertically fixed on the base (2), and the scale (7) is close to the shelf (3).

3. The precision feedable intraoperative catheter securement device of claim 1, wherein: the roller (25) is made of rubber.

4. The precision feedable intraoperative catheter securement device of claim 1, wherein: the third groove (32) of the pulley (28) is internally coated with rubber.

5. The precision feedable intraoperative catheter securement device of claim 1, wherein: the lower surface of the base (2) is fixed with a sucker.

6. The precisely advanceable intra-operative catheter securement device of claim 1, operable by:

firstly, a base (2) is embedded on a hospital bed, a conduit (26) is placed on a shelf (3), then a bolt (17) is rotated, the bolt (17) pushes a sliding block (14), the sliding block (14) moves towards a fixed block (15), the inclined surface of the sliding block (14) forces the fixed block (15) to move upwards, then two ends of the fixed block (15) extend out of the shelf (3), and the conduit (26) is placed between two ends of the fixed block (15);

secondly, a pressing plate (13) is pedaled, the pressing plate (13) presses a power air bag (18) downwards, the power air bag (18) presses air into a lifting air bag (6), the foot is lifted, the power air bag (18) resets, air is pressed into the power air bag (18) through a one-way valve (5) under the atmospheric pressure, the air cannot leak through the one-way valve (5), the one-way valve (5) is arranged at the joint of the lifting air bag (6) and an air guide pipe (1), the air cannot leak after entering the lifting air bag (6), then the lifting air bag (6) expands, a shelf is jacked up, and then a guide pipe (26) is jacked up, so that the horizontal height of the end part of the guide pipe (26) is lower than that of the guide pipe (26) behind the end part of the guide pipe (26;

thirdly, clamp pipe (26) in third recess (32) of pulley (28), then rotatory knob (30), knob (30) drive driving gear (29) and rotate, driving gear (29) drive driven gear (27) rotate, driven gear (27) drive pulley (28) rotate, pulley (28) drive pipe (26) feed, driving gear (29) diameter is less than the diameter of driven gear (27), can realize the micro-feeding of pipe (26) like this, no matter place many thick pipe (26), spring (23) are advanced in the top makes gyro wheel (25) crowd on pipe (26) all the time, prevent that pipe (26) from droing.