CN113499528B

CN113499528B - Semi-automatic device of pulling out of PICC

Info

Publication number: CN113499528B
Application number: CN202110776764.XA
Authority: CN
Inventors: 张宝芝
Original assignee: Second Affiliated Hospital Of Guangdong Medical University
Current assignee: Second Affiliated Hospital Of Guangdong Medical University
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2023-01-17
Anticipated expiration: 2041-07-09
Also published as: CN113499528A

Abstract

The invention discloses a PICC semi-automatic pulling device, which has the technical scheme key points that: the PICC tube winding and unwinding device comprises a box body, a winding mechanism, an alarm assembly and a guide assembly, wherein the winding mechanism is used for winding a PICC tube in the process of pulling the PICC tube out of a patient, the alarm assembly is used for sending an alarm signal when the resistance met by the winding mechanism in the winding process exceeds a set value, and the guide assembly is used for limiting the winding direction of the tube.

Description

Semi-automatic device of pulling out of PICC

Technical Field

The invention relates to the technical field of medical appliances, in particular to a PICC semi-automatic pulling device.

Background

The central venous catheter (PICC) is punctured through a peripheral vein, a catheter is used for puncturing veins of a peripheral arm, the catheter directly reaches a great vein close to the heart, the direct contact between chemotherapy drugs and the veins of the arm is avoided, and the blood flow speed of the great vein is high, so that the chemotherapy drugs can be quickly diluted, the stimulation of the drugs to blood vessels is prevented, the veins of upper limbs can be effectively protected, the occurrence of phlebitis is reduced, and the pain of a patient is relieved.

When the review result of the patient shows that all indexes are good, and the doctor agrees to pull out the PICC catheter, the PICC catheter can be pulled out.

However, when medical personnel are extracting the PICC catheter, the phenomenon that the catheter is broken due to overlarge force can occur, particularly when the catheter is pulled out to encounter resistance, the medical personnel do not know that the catheter is broken due to the resistance or insufficient force, and then the medical personnel can increase the pulling force to pull the catheter, so that serious potential safety hazards are caused to patients.

Disclosure of Invention

In view of the problems mentioned in the background, the present invention is directed to providing a PICC semi-automatic unplugging device to solve the problems mentioned in the background.

The technical purpose of the invention is realized by the following technical scheme:

the PICC semi-automatic pulling device comprises a box body, wherein a winding mechanism is arranged inside the box body, and an alarm assembly and a guide assembly are respectively arranged on the box body;

the winding mechanism is used for winding the PICC tube in the process of drawing the tube out of the patient;

the alarm assembly is used for giving an alarm when resistance met by the winding mechanism in the winding process exceeds a set value;

the guide assembly is used for limiting the direction of winding of the pipeline when the pipeline is pulled out.

By adopting the technical scheme, the stress condition of the pipeline can be monitored in real time when the pipeline is pulled out, the phenomenon of pipeline fracture caused by overlarge stress is avoided, and meanwhile, the pulled-out pipeline can be rolled up in a centralized manner, so that subsequent centralized processing is facilitated.

Preferably, the winding mechanism comprises a winding pipe, two connecting assemblies and a reel, one side of the reel is fixedly connected with a first connecting rod, one end of the first connecting rod is rotatably installed in the box body through a bearing, the two connecting assemblies are symmetrically arranged, each connecting assembly comprises a second connecting rod and a connecting block, a rectangular groove is formed in the upper surface of each connecting block, one side of each connecting block is fixedly connected with one end of the second connecting rod, one connecting rod is rotatably connected to the inner wall of one side of the box body, the other end of the second connecting rod is fixedly connected with one end of the first connecting rod through a torque sensor, connecting plates are fixedly connected to the two ends of the winding pipe, the connecting plates are connected in the rectangular grooves in an inserting mode, and one side of each connecting block is provided with a limiting mechanism used for fixing the connecting plates.

By adopting the technical scheme, the pulled pipeline is wound on the winding pipe, so that subsequent centralized processing is facilitated.

Preferably, the limiting mechanism comprises a cylindrical rod, the cylindrical rod is fixedly connected to one side of the connecting block, an inner cavity is formed inside the cylindrical rod, a first insertion hole and a second insertion hole are formed in the two end portions of the cylindrical rod respectively, an insertion rod is movably inserted into the inner cavity, a limiting circular plate is fixedly connected to one end portion of the insertion rod, a spring is arranged inside the inner cavity, one end of the spring is in contact with one side of the limiting circular plate, the other end of the spring is in contact with one side of the inner cavity, a pull rod is arranged inside the inner cavity, one end of the pull rod penetrates through the spring and is fixedly connected with one side face of the limiting circular plate, the other end of the pull rod penetrates through the first insertion hole and is movably inserted into the outer side of the cylindrical rod, an insertion groove is formed in one side of the connecting block and is communicated with the two insertion holes, the insertion groove is communicated with the rectangular groove, a limiting groove communicated with the rectangular groove is formed inside the connecting block, and one end of the insertion rod penetrates through the insertion groove and is inserted into the circular hole.

Through adopting above-mentioned technical scheme, be convenient for twine the fixed and dismantlement of pipe.

Preferably, one end of the pull rod close to the first insertion hole is fixedly connected with a pull ring.

Through adopting above-mentioned technical scheme, be convenient for through pull ring pulling pull rod.

The preferred, the warning subassembly includes the control box, loudspeaker are installed to one side of control box is inlayed, the inside fixed mounting of control box has the singlechip, the signal input part of singlechip with torque sensor electric connection, the signal output part of singlechip with loudspeaker electric connection, the inside of control box is provided with the battery that is used for the power supply.

Through adopting above-mentioned technical scheme, when the in-process of rolling, when the moment of torsion that torque sensor sensed was greater than the value that sets up, single chip microcomputer control loudspeaker sounded, reported to the police to medical personnel, the condition of meeting accident when avoiding the tube drawing.

Preferably, the guide assembly comprises a rectangular block, a through groove is formed in one side of the rectangular block, a semi-annular limiting block is fixedly connected inside one end of the through groove, a placing groove is formed in one side of the box body, a first magnetic strip is fixedly mounted inside the placing groove, a second magnetic strip is fixedly connected to one side of the rectangular block, and the rectangular block is connected inside the placing groove in an inserting mode through the magnetic strips.

Through adopting above-mentioned technical scheme, during the use, take out the rectangular block from the standing groove, the pipeline that will extract penetrates from the one end that leads to the groove, then wears out the other end that leads to the groove again, when guaranteeing the tube drawing, the position of pipeline can not change.

Preferably, a notch is formed in one side face of the box body, and the notch is communicated with the placing groove.

By adopting the technical scheme, the rectangular block can be taken out conveniently.

Preferably, the surface of the winding pipe is fixedly connected with an elastic pressing sheet, the bottom of the elastic pressing sheet is provided with anti-slip grains, and the upper surface of the elastic pressing sheet is fixedly connected with a pulling block.

Through adopting above-mentioned technical scheme, be convenient for fix the one end of pipeline on the winding pipe.

Preferably, one side of the reel is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, conveniently rotate the reel.

Preferably, the top of box is the opening setting, the top of box articulates through the hinge has the protection casing, the fixed surface of protection casing is connected with handheld piece.

Through adopting above-mentioned technical scheme, avoid the inside dust that gathers of box.

In summary, the invention mainly has the following beneficial effects:

the utility model has the advantages of realized when extracting the pipeline, the atress condition that can real-time supervision pipeline avoids medical personnel to exert oneself too big and leads to the cracked phenomenon to appear in the pipeline, guarantees patient's safety when drawing the pipe, can concentrate the rolling with the pipeline of extracting simultaneously, subsequent centralized processing of being convenient for.

Drawings

FIG. 1 is a schematic structural view of a PICC semi-automatic removal device of the present invention;

fig. 2 is a schematic structural view of another view of the PICC semi-automatic removal device of the present invention;

FIG. 3 is a schematic view of the PICC semi-automatic removal device of the present invention with the shield open;

fig. 4 is a schematic structural view of a case of the PICC semi-automatic removal device of the present invention;

FIG. 5 is a schematic cross-sectional view illustrating a control box of the PICC semi-automatic removal apparatus according to the present invention;

FIG. 6 is a schematic structural diagram of a rectangular block of the PICC semi-automatic removal device of the present invention;

FIG. 7 is a schematic diagram of an explosion structure of the winding mechanism of the PICC semi-automatic removal device of the present invention;

FIG. 8 is a schematic cross-sectional view of a spacing mechanism of the PICC semi-automatic removal device of the present invention;

fig. 9 is a sectional structure view of a cylindrical bar of the PICC semi-automatic removal device of the present invention.

Reference numerals:

10. a box body; 11. a notch; 12. a protective cover; 13. a hand-held block; 15. a placement groove; 16. cutting; 17. A first magnetic stripe;

20. a control box; 21. a horn; 22. a single chip microcomputer; 23. a battery;

30. winding the tube; 31. elastic tabletting; 32. pulling the block; 33. a connecting plate; 34. a circular hole;

40. a rectangular block; 41. a first strap; 42. a second strap; 43. a semi-annular limiting block; 44. a through groove; 45. a second magnetic stripe;

50. a reel; 51. a handle; 52. a first connecting rod; 53. a bearing; 54. a second connecting rod; 55. a limiting groove; 56. Connecting blocks; 57. a slot; 58. a rectangular groove; 59. a torque sensor;

60. a cylindrical rod; 61. inserting a rod; 62. a limiting circular plate; 63. a spring; 64. a pull rod; 65. a first jack; 66. a pull ring; 67. a second jack; 68. an inner cavity.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-9, the PICC semi-automatic removing device includes a box body 10, a winding mechanism for winding the PICC tube during the process of pulling the PICC tube out of the patient, an alarm component for sending an alarm signal when the resistance encountered by the winding mechanism during the winding process exceeds a set value, and a guide component for limiting the winding direction of the pipeline during the tube pulling.

As shown in fig. 3, 7-9, the winding mechanism is composed of a winding tube 30, a connecting component and a reel 50;

the winding pipe 30 is a disposable polyvinyl chloride pipe, meanwhile, in order to fix one end of the PICC pipeline on the winding pipe 30, an elastic pressing sheet 31 is arranged, the elastic pressing sheet 31 is fixedly connected to the surface of the winding pipe 30, meanwhile, in order to increase the friction force between the elastic pressing sheet 31 and the PICC pipeline and avoid the PICC pipeline from falling off, anti-slip patterns are arranged at the bottom of the elastic pressing sheet 31, in order to pull up the elastic pressing sheet 31 for a certain distance, a pulling block 32 is arranged, and the pulling block 32 is fixedly connected to the upper surface of the elastic pressing sheet 31;

wherein, one side of the reel 50 is fixedly connected with a first connecting rod 52, one end of the first connecting rod 52 is rotatably installed inside the box body 10 through a bearing 53, and for the convenience of rotating the reel 50, a handle 51 is arranged and the handle 51 is fixedly connected to one side of the reel 50;

in order to support the winding pipe 30, two connecting assemblies are arranged, the two connecting assemblies are symmetrically arranged, each connecting assembly is composed of a second connecting rod 54 and a connecting block 56, one side of each connecting block 56 is fixedly connected with one end of the second connecting rod 54, one second connecting rod 54 is rotatably connected to the inner wall of one side of the box body 10, one end of the other second connecting rod 54 is fixedly connected with one end of the first connecting rod 52 through a torque sensor 59, a rectangular groove 58 is formed in the upper surface of each connecting block 56, two ends of the winding pipe 30 are fixedly connected with connecting plates 33, and the connecting plates 33 are inserted into the rectangular groove 58;

in order to fix the winding pipe 30 between the two connecting components conveniently, a limiting mechanism is arranged, and the limiting mechanism consists of a cylindrical rod 60, an inserted rod 61 and a spring 63;

the connecting structure comprises a connecting block 56, a cylindrical rod 60, an inner cavity 68, a first insertion hole 65 and a second insertion hole 67, wherein the cylindrical rod 60 is fixedly connected to one side of the connecting block 56, the inner cavity 68 is formed in the cylindrical rod 60, the end parts of two ends of the cylindrical rod 60 are respectively provided with the first insertion hole 65 and the second insertion hole 67, the insertion rod 61 is movably inserted into the inner cavity 68, in order to avoid the insertion rod 61 from being completely separated from the inner cavity 68, a limiting circular plate 62 is arranged, the limiting circular plate 62 is fixedly connected to the end part of one end of the insertion rod 61, a spring 63 is arranged inside the inner cavity 68, one end of the spring 63 is fixedly connected to one side of the limiting circular plate 62, the other end of the pull rod 64 penetrates through the first insertion hole 65 and is movably inserted into the outer side of the cylindrical rod 60, in order to pull the pull rod 64, a pull ring 66 is arranged, the pull ring 66 is fixedly connected to one end of the pull rod 64 close to the first insertion hole 65, one side of the connecting block 56 is simultaneously provided with a slot 57, the slot 57 is communicated with the second insertion hole 67, the slot 57 is communicated with the rectangular slot 58, and the limiting slot 55 is sequentially penetrated through the limiting groove 55;

the winding principle of the winding mechanism is as follows: during the use, stimulate pull ring 66 earlier, draw in the inserted bar 61 in the inner chamber 68, spring 63 received the extrusion this moment, then insert the rectangular channel 58 with the connecting plate 33 at winding pipe 30 both ends, then loosen pull ring 66, the one end with inserted bar 61 runs through slot 57 in proper order under the effect of spring 63 elasticity this moment, round hole 34 is pegged graft in the inside of spacing groove 55, this moment with winding pipe 30 fixed mounting, then the pulling draws piece 32, place the bottom of elasticity preforming 31 in the one end of PICC pipe, then loosen and draw piece 32, the PICC pipe is fixed on winding pipe 30 this moment, then rotate handle 51, can be with the PICC pipe rolling on winding pipe 30.

As shown in fig. 1, 3, 5 and 7, in order to monitor the stress condition of the pipeline in real time during the winding process, the alarm assembly is composed of a control box 20, a loudspeaker 21 and a single chip microcomputer 22, wherein the loudspeaker 21 is embedded and fixed on the surface of the control box 20, the control box 20 is fixedly connected to one side surface of the box body 10, the single chip microcomputer 22 is fixedly installed inside the control box 20, a battery 23 for supplying power is installed inside the control box 20, the signal input end of the single chip microcomputer 22 is electrically connected with the torque sensor 59, and the signal output end of the single chip microcomputer 22 is electrically connected with the loudspeaker 21;

alarm principle of the alarm assembly: when the torque sensed by the torque sensor 59 is larger than a set value in the winding process, the single chip microcomputer 22 controls the loudspeaker 21 to sound, so that an alarm is given to medical staff in time, and accidents are avoided during tube drawing.

As shown in fig. 3, 4 and 6, in order to avoid the change of the direction of the PICC pipeline in the rolling process, the guide assembly is composed of a rectangular block 40, a through groove 44 is formed in one side of the rectangular block 40, in order to avoid the sharp corner of the rectangular block 40 from stabbing a patient, four corners of the rectangular block 40 are arranged in a round angle, in order to facilitate fixing of the rectangular block 40 on the arm of the patient, a first bandage 41 and a second bandage 42 are arranged, wherein a magic tape hair surface is arranged on one side of the first bandage 41, a magic tape hook surface is arranged on one side of the second bandage 42, sterile cotton is arranged at the bottom of the through groove 44 and close to the intubation tube of the patient, in order to facilitate the movement of the sterile cotton along with the rolling of the pipeline, a semi-annular limiting block 43 is fixedly connected inside one end of the through groove 44, in order to facilitate the storage of the rectangular block 40, a placing groove 15 is formed in one side of the box 10, meanwhile, a first magnetic stripe 17 is fixedly installed inside the placing groove 15 is fixedly arranged inside the placing groove 15, one side of the rectangular block 40 is fixedly connected with a second magnetic stripe 45, the rectangular block 40 passes through the inserting groove 15, in order to facilitate the taking of the magnetic stripe, a notch 16 is communicated with the placing groove 15;

the direction principle of guiding mechanism fixes rectangular block 40 on patient's arm through second bandage 42 and first bandage 41, then penetrates the PICC pipeline that will extract from the one end that leads to groove 44, then wears out the other end that leads to groove 44 again, when guaranteeing to pull out, and the position of PICC pipeline can not change, avoids the pipeline to receive the extrusion.

As shown in fig. 1 to 3, in order to prevent dust from accumulating inside the housing 10, a shield 12 is provided, the top of the housing 10 is provided with an opening, the shield 12 is hinged to the top of the housing 10 by a hinge, and a hand-held block 13 is provided on the surface of the shield 12 to facilitate opening and closing of the shield 12.

In order to facilitate the PICC pipeline to enter the box body 10, a notch 11 is formed in one side of the box body 10, and meanwhile the bottom of the notch 11 is processed by a round edge.

The working principle is as follows: during the use, pull ring 66 is pulled first, pull-in pole 61 is in inner chamber 68, spring 63 receives the extrusion this moment, then insert the connecting plate 33 at winding pipe 30 both ends in rectangular channel 58, then loosen pull ring 66, the one end that will insert pole 61 this moment under the effect of spring 63 elasticity runs through slot 57 in proper order, round hole 34 pegs graft in the inside of spacing groove 55, fix rectangular block 40 on patient's arm through second bandage 42 and first bandage 41, then the PICC pipeline that will pull out penetrates from the one end that leads to groove 44, then wear out the other end that leads to groove 44 again, be provided with aseptic cotton in the position that leads to patient's intubate in logical groove 44 bottom, when guaranteeing to pull out, the position of PICC pipeline can not change, avoid the pipeline to receive the extrusion, then pull block 32, place the bottom of elastic pressing piece 31 with the one end of PICC pipe, then loosen pull block 32, at this moment the PICC pipe is fixed on winding pipe 30, then rotate handle 51, can be with PICC pipe on winding pipe 30, the in-up process of rolling, the moment, torque sensor 59 is greater than the threshold value of the PICC pipeline is sensed, when the alarm 21, when the alarm takes place, when avoiding the loudspeaker control personnel of rated sound, when the alarm takes place, the alarm.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

Half automatic pulling out device of PICC, its characterized in that: the winding device comprises a box body (10), wherein a winding mechanism is arranged inside the box body (10), and an alarm component and a guide component are respectively arranged on the box body (10);

the winding mechanism is used for winding the PICC in the process of drawing out the PICC from the patient; the winding mechanism comprises a winding pipe (30), two connecting assemblies and two reel wheels (50), wherein one side of each reel wheel (50) is fixedly connected with a first connecting rod (52), one end of each first connecting rod (52) is rotatably installed inside the box body (10) through a bearing (53), the two connecting assemblies are symmetrically arranged, each connecting assembly comprises a second connecting rod (54) and a connecting block (56), a rectangular groove (58) is formed in the upper surface of each connecting block (56), one side of each connecting block (56) is fixedly connected with one end of each second connecting rod (54), one second connecting rod (54) is rotatably connected to the inner wall of one side of the box body (10), one end of the other second connecting rod (54) is fixedly connected with one end of each first connecting rod (52) through a torque sensor (59), both ends of the winding pipe (30) are fixedly connected with connecting plates (33), the connecting plates (33) are inserted into the rectangular grooves (58), and one side of each connecting block (56) is provided with a limiting mechanism for fixing the connecting plates (33); the limiting mechanism comprises a cylindrical rod (60), the cylindrical rod (60) is fixedly connected to one side of the connecting block (56), an inner cavity (68) is formed in the cylindrical rod (60), a first insertion hole (65) and a second insertion hole (67) are formed in the two end portions of the cylindrical rod (60), an insertion rod (61) is movably inserted in the inner cavity (68), a limiting circular plate (62) is fixedly connected to one end portion of the insertion rod (61), a spring (63) is arranged in the inner cavity (68), one end of the spring (63) is in contact with one side of the limiting circular plate (62), the other end of the spring (63) is in contact with one side of the inner cavity (68), a pull rod (64) is arranged in the inner cavity (68), one end of the pull rod (64) penetrates through the spring (63) and is fixedly connected with one side of the limiting circular plate (62), the other end of the pull rod (64) penetrates through the first insertion hole (65) and is movably connected to the outer side of the cylindrical rod (60), one side of the connecting block (56) is provided with a rectangular slot (57), the other end of the rectangular slot (57) is communicated with the rectangular slot (58), and the rectangular slot (58) is communicated with the rectangular slot (58), one end of the inserting rod (61) penetrates through the inserting groove (57) and the round hole (34) in sequence and is inserted into the limiting groove (55);

the alarm component is used for giving an alarm when resistance encountered by the winding mechanism in the winding process exceeds a set value;

the guide assembly is used for limiting the direction of winding of the pipeline when the pipeline is pulled out.
2. The PICC semi-automatic removal device of claim 1, wherein: one end of the pull rod (64) close to the first insertion hole (65) is fixedly connected with a pull ring (66).
3. The PICC semi-automatic removal device of claim 1, wherein: the warning subassembly is including control box (20), loudspeaker (21) are installed to one side of control box (20) is inlayed, the inside fixed mounting of control box (20) has singlechip (22), the signal input part of singlechip (22) with torque sensor (59) electric connection, the signal output part of singlechip (22) with loudspeaker (21) electric connection, the inside of control box (20) is provided with battery (23) that are used for the power supply.
4. The PICC semi-automatic removal device of claim 1, wherein: the guide assembly comprises a rectangular block (40), a through groove (44) is formed in one side of the rectangular block (40), a semi-annular limiting block (43) is fixedly connected to the inside of one end of the through groove (44), a placing groove (15) is formed in one side of the box body (10), a first magnetic strip (17) is fixedly mounted inside the placing groove (15), a second magnetic strip (45) is fixedly connected to one side of the rectangular block (40), and the rectangular block (40) is connected to the inside of the placing groove (15) in an inserting mode through the magnetic strips.
5. The PICC semi-automatic removal device of claim 4, wherein: a notch (16) is formed in one side face of the box body (10), and the notch (16) is communicated with the placing groove (15).
6. The PICC semi-automatic removal device of claim 1, wherein: the surface of the winding pipe (30) is fixedly connected with an elastic pressing sheet (31), the bottom of the elastic pressing sheet (31) is provided with anti-slip threads, and the upper surface of the elastic pressing sheet (31) is fixedly connected with a pulling block (32).
7. The PICC semi-automatic removal device of claim 1, wherein: one side of the reel (50) is fixedly connected with a handle (51).
8. The PICC semi-automatic removal device of claim 1, wherein: the top of box (10) is the opening setting, the top of box (10) articulates through the hinge has protection casing (12), the surperficial fixed connection of protection casing (12) has handheld piece (13).