CN113499528A

CN113499528A - Semi-automatic device of pulling out of PICC

Info

Publication number: CN113499528A
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: 2021-10-15
Anticipated expiration: 2041-07-09
Also published as: CN113499528B

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

Central venous catheterization (PICC) is punctured through peripheral vein, punctures from the vein of periphery arm with the pipe, and the pipe directly reaches the great vein that is close to the heart, avoids the direct contact of chemotherapy medicine and arm vein, and the blood flow speed of great vein is very fast in addition, can wash the thinning therapy medicine rapidly, prevents the stimulation of medicine to the blood vessel, can effectively protect the upper limbs vein, reduces the emergence of phlebitis, alleviates patient's pain.

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 provide 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 in the process of drawing out the PICC from 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, a connecting component 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 arranged in the box body through a bearing, two connecting components are arranged, the two connecting components are symmetrically arranged, the connecting assembly comprises a second connecting rod and a connecting block, a rectangular groove is arranged on the upper surface of the connecting block, one side of the connecting block is fixedly connected with one end of the second connecting rod, one of the two connecting rods is rotatably connected to the inner wall of one side of the box body, one end of the other connecting rod is fixedly connected with one end of the first connecting rod through a torque sensor, the winding pipe is characterized in that connecting plates are fixedly connected to two ends of the winding pipe, the connecting plates are inserted into the rectangular grooves in an inserted mode, and a limiting mechanism used for fixing the connecting plates is arranged on one side of each connecting block.

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 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 respectively formed in the end portions of the two ends of the cylindrical rod, 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 surface of the limiting circular plate, the other end of the pull rod penetrates through the first insertion hole and is movably inserted outside the cylindrical rod, a slot is formed in one side of the connecting block, and the slot is communicated with the second insertion hole, the slot is communicated with the rectangular groove, a limiting groove communicated with the rectangular groove is formed in the connecting block, and one end of the inserting rod penetrates through the slot and the round hole in sequence and is inserted into the limiting groove.

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

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.

The preferred, the direction subassembly includes the rectangle piece, logical groove has been seted up to one side of rectangle piece, the inside fixedly connected with semi-ring shape stopper of one end that leads to the groove, the standing groove has been seted up to one side of box, the inside fixed mounting of standing groove has first magnetic stripe, one side fixedly connected with second magnetic stripe of rectangle piece, the rectangle piece passes through the magnetic stripe and pegs graft in the inside of standing groove.

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 perspective 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 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. 1-9, the semi-automatic removal device for the PICC comprises a box body 10, a winding mechanism for winding the PICC tube in the process of tube drawing of a patient, an alarm component for sending an alarm signal when resistance encountered by the winding mechanism in the winding process exceeds a set value, and a guide component for limiting the winding direction of a pipeline during tube drawing.

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;

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 in the box body 10 through a bearing 53, a handle 51 is arranged to facilitate the rotation of the reel 50, 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, a limiting mechanism is arranged, and the limiting mechanism consists of a cylindrical rod 60, an inserting rod 61 and a spring 63;

wherein, the column rod 60 is fixedly connected with one side of the connecting block 56, the interior of the column rod 60 is provided with an inner cavity 68, the end parts of the two ends of the column rod 60 are respectively provided with a first jack 65 and a second jack 67, the inserting rod 61 is movably inserted into the inner cavity 68, in order to avoid the inserting rod 61 completely separating from the interior of the inner cavity 68, a limiting circular plate 62 is arranged, the limiting circular plate 62 is fixedly connected with the end part of one end of the inserting rod 61, the spring 63 is arranged inside the inner cavity 68, one end of the spring 63 is contacted with one side of the limiting circular plate 62, the other end of the spring 63 is contacted with one side of the inner cavity 68, in order to facilitate the inserting rod 61 to be retracted into the interior of the inner cavity 68, the pull rod 64 is arranged, one end of the pull rod 64 penetrates through the spring 63 and is fixedly connected with one side surface of the limiting circular plate 62, the other end of the pull rod 64 penetrates through the first jack 65 and is movably inserted outside the column rod 60, in order to facilitate the pulling of the pull rod 64, the pull ring 66 is arranged, the pull ring 66 is fixedly connected to one end, close to the first insertion hole 65, of the pull rod 64, a slot 57 is formed in one side of the connecting block 56, the slot 57 is communicated with the second insertion hole 67, the slot 57 is communicated with the rectangular groove 58, a limiting groove 55 communicated with the rectangular groove 58 is formed in the connecting block 56, and one end of the insertion rod 61 penetrates through the slot 57 and the round hole 34 in sequence to be inserted into 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 PICC pipeline direction during the rolling process, the guiding component is composed of a rectangular block 40, a through groove 44 is formed on one side of the rectangular block 40, in order to avoid the sharp corner of the rectangular block 40 stabbing the patient, four corners of the rectangular block 40 are arranged in a round angle manner, in order to facilitate the 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, the disinfection cotton is arranged at the bottom of the through groove 44 near the intubation tube of the patient, in order to avoid the movement phenomenon of the disinfection 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 on one side of the box 10, and a first magnetic stripe 17 is fixedly installed inside the placing groove 15, one side of the rectangular block 40 is fixedly connected with a second magnetic strip 45, the rectangular block 40 is inserted into the placing groove 15 through the magnetic strips, so that a notch 16 is formed in one side face of the box body 10 in order to conveniently take the rectangular block 40, and the 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 case 10, a shield 12 is provided, the top of the case 10 is open, the shield 12 is hinged to the top of the case 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: when the device is used, the pull ring 66 is pulled first, the inserting rod 61 is pulled into the inner cavity 68, the spring 63 is extruded at the moment, then the connecting plates 33 at the two ends of the winding pipe 30 are inserted into the rectangular groove 58, then the pull ring 66 is loosened, at the moment, one end of the inserting rod 61 sequentially penetrates through the slot 57 and the round hole 34 to be inserted into the limiting groove 55 under the action of the elastic force of the spring 63, the rectangular block 40 is fixed on the arm of a patient through the second bandage 42 and the first bandage 41, then a PICC pipeline to be pulled out penetrates through one end of the through groove 44 and then penetrates out of the other end of the through groove 44, the position of the bottom of the through groove 44 close to the insertion pipe of the patient is provided with the sterilized cotton, the position of the PICC pipeline cannot be changed when the pipe is pulled out, the pipeline is prevented from being extruded, then the pull block 32 is pulled, one end of the PICC pipeline is placed at the bottom of the elastic pressing sheet 31, then the pull block 32 is loosened, and the PICC pipe is fixed on the winding pipe 30 at the moment, then rotate handle 51, can manage the rolling with PICC on winding pipe 30, the in-process of rolling, when the moment of torsion that torque sensor 59 sensed was greater than the rated threshold value that the PICC pipeline bore, singlechip 22 control loudspeaker 21 sounded, reported to the police to medical personnel in time, the condition of occurrence accident when avoiding extubating.

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

Semi-automatic device of pulling out 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 assembly and a guide assembly 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 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.
2. The PICC semi-automatic removal device of claim 1, wherein: the winding mechanism comprises a winding pipe (30), a connecting assembly and a reel (50), 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 in the box body (10) through a bearing (53), the connecting assembly is provided with two connecting assemblies, the two connecting assemblies are symmetrically arranged, the connecting assembly comprises a second connecting rod (54) and a connecting block (56), a rectangular groove (58) is formed in the upper surface of the connecting block (56), one side of the connecting block (56) is fixedly connected with one end of the second connecting rod (54), one of the second connecting rod (54) is rotatably connected to the inner wall of one side of the box body (10), the other end of the second connecting rod (54) is fixedly connected with one end of the first connecting rod (52) through a torque sensor (59), and connecting plates (33) are fixedly connected to the two ends of the winding pipe (30), the connecting plate (33) is inserted in the rectangular groove (58), and a limiting mechanism used for fixing the connecting plate (33) is arranged on one side of the connecting block (56).
3. The PICC semi-automatic removal device of claim 2, wherein: 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 jack (65) and is movably inserted in the outer side of the cylindrical rod (60), a slot (57) is formed in one side of the connecting block (56), the slot (57) is communicated with the second jack (67), the slot (57) is communicated with the rectangular groove (58), a limiting groove (55) communicated with the rectangular groove (58) is formed in the connecting block (56), and one end of the insertion rod (61) penetrates through the slot (57) and the round hole (34) in sequence and is inserted in the limiting groove (55).
4. The PICC semi-automatic removal device of claim 3, wherein: one end of the pull rod (64) close to the first insertion hole (65) is fixedly connected with a pull ring (66).
5. The PICC semi-automatic removal device of claim 2, wherein: the warning subassembly is including control box (20), loudspeaker (21) are installed to one side inlay of control box (20), 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.
6. The PICC semi-automatic removal device of claim 2, 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 magnetic strips.
7. The PICC semi-automatic removal device of claim 6, 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).
8. The PICC semi-automatic removal device of claim 2, 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).
9. The PICC semi-automatic removal device of claim 2, wherein: one side of the reel (50) is fixedly connected with a handle (51).
10. The PICC semi-automatic removal device of claim 2, 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).