CN217659893U - PICC catheter assembly with electrocardio location connecting device - Google Patents
PICC catheter assembly with electrocardio location connecting device Download PDFInfo
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- CN217659893U CN217659893U CN202220673507.3U CN202220673507U CN217659893U CN 217659893 U CN217659893 U CN 217659893U CN 202220673507 U CN202220673507 U CN 202220673507U CN 217659893 U CN217659893 U CN 217659893U
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- catheter
- winding drum
- fixedly connected
- catheter assembly
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- 238000004804 winding Methods 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 241000270728 Alligator Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
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Abstract
The utility model provides a PICC catheter subassembly with electrocardio location connecting device, include: the catheter is divided into a proximal end positioned in a patient body and a distal end positioned outside the patient body, and a circular hole is formed in the side wall of the catheter along one side of the distal end; the winding drum is a hollow cylinder with openings at two ends and is positioned on one side of the round hole, a round rod is arranged on the axis of the winding drum, the round rod is connected with the guide pipe, and the round rod is used for providing the rotation stroke of the winding drum; the guide wire is positioned in the catheter and is divided into a fixed end and a connecting end, the fixed end is fixedly connected with the proximal end of the catheter, the connecting end penetrates through the round hole to extend out of the catheter and is wound and wrapped on the winding drum, and the connecting end is fixedly connected with an electrode plate; the problems of large damage to the guide wire, poor contact, poor wire harness storage effect, inconvenience in disassembly and connection and the like in the conventional guide wire connection method are solved.
Description
Technical Field
The utility model belongs to the technical field of central venous catheter, concretely relates to PICC catheter assembly with electrocardio location connecting device.
Background
The PICC tip position can be realized by an intracavitary electrocardiogram positioning technology consisting of an electrocardiogram monitor, a connecting electrode and a catheter. The connection of the electrodes to the catheter is the core of the intracavitary electrocardiographic positioning technique, which requires a reliable electrically conductive connection between the electrodes of the electrocardiographic monitor and the saline column filling the PICC.
The current lead is mainly a double-head alligator clip sterile lead or a lead with one end connected to the electrode and the other end connected to the guide pipe directly or indirectly through the sterile lead. The existing wire connecting method has the problems of large damage to the wire, poor contact, poor wire harness accommodating effect, inconvenience in disassembly and connection and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a PICC catheter subassembly with electrocardio location connecting device to solve current wire connection method and have to the wire harm nature big, contact failure, pencil accomodate the effect poor, tear open and connect inconvenient scheduling problem.
A PICC catheter assembly having an ecg positioning connection, comprising: the two ends of the catheter are respectively a proximal end positioned in the body of a patient and a distal end positioned outside the body of the patient, and a circular hole is arranged on the side wall of the catheter along one side of the distal end;
the winding drum is a hollow cylinder with openings at two ends and is positioned on one side of the round hole, a round rod is arranged on the axis of the winding drum and is fixedly connected with the guide pipe, and the round rod is used for providing the rotation stroke of the winding drum;
the guide wire is positioned in the catheter, the two ends of the guide wire are respectively provided with a fixed end and a connecting end, the fixed end is fixedly connected with the proximal end of the catheter, the connecting end penetrates through the round hole and extends out of the catheter, the winding drum is wound, and the connecting end is fixedly connected with an electrode plate which is used for being connected with the ECG monitor.
Further, a clockwork spring is arranged between the winding drum and the round rod; the clockwork spring is in a plane spiral shape and is provided with a near end close to the central point and a far end far away from the central point, the near end is fixedly connected with the round rod, and the far end is fixedly connected with the winding drum.
Further, the spiral direction of the clockwork spring is opposite to the winding direction of the winding section on the winding drum.
Furthermore, a circular plate is arranged on one side of the winding drum, and a ratchet mechanism is arranged between the winding drum and the circular plate and can realize the fixation of any rotation angle of the winding drum.
Further, the ratchet mechanism includes:
the straight rod is positioned at the top end of the circular plate and is rotationally connected with the circular plate;
the clamping groove is formed in the upper surface of the winding drum and surrounds the axis of the winding drum.
Furthermore, box bodies are arranged on two sides of the winding drum, and the straight rod penetrates through the box bodies.
The beneficial effects of the utility model are that: the fixing section is fixed in the PICC catheter through the guide wire, and the connecting end extends out of the PICC catheter; the electric connection between the PICC catheter and the electrode of the monitor by the guide wire is realized, and the connection mode is simple to implement and has no problem of poor contact; the guide wire is rotatably accommodated in the rest part outside the catheter through the winding drum outside the catheter and the ratchet mechanism, and the problem of accommodating the guide wire is solved.
Drawings
FIG. 1 is a schematic view of a PICC catheter assembly having an ECG positioning connection of the present invention;
FIG. 2 is a schematic view of a catheter of a PICC catheter assembly with an electro-cardio positioning connection of the present invention;
fig. 3 is a schematic view of the structure of the reel in the PICC catheter assembly with the ecg positioning connection device of the present invention.
Wherein, 1, a conduit; 101. a proximal end; 102. a distal end; 2. a case body; 3. a guide wire; 4. an electrode sheet; 5. a round bar; 6. a winding drum; 601. a card slot; 7. a clockwork spring; 8. a straight rod; 801. a circular plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a PICC tubing assembly with electrocardio location connecting device, a serial communication port, include: the catheter 1 is divided into a proximal end 101 positioned in a patient body and a distal end 102 positioned outside the patient body, and a circular hole is formed in the side wall of the catheter 1 along one side of the distal end 102;
the winding drum 6 is a hollow cylinder with openings at two ends and is positioned at one side of the round hole, a round rod 5 is arranged on the axis of the winding drum 6, the round rod 5 is connected with the guide pipe 1, and the round rod 5 is used for providing the rotation stroke of the winding drum 6;
the guide wire 3 is positioned in the catheter 1 and is divided into a fixed end and a connecting end, the fixed end is fixedly connected with the proximal end 101 of the catheter 1, the connecting end penetrates through the circular hole to extend out of the catheter 1 and is wound and wrapped by the winding drum 6, and the connecting end is fixedly connected with the electrode plate 4;
the fixing section is fixed in the PICC catheter 1 through the guide wire 3, and the connecting end extends out of the PICC catheter 1; the electric connection between the PICC catheter 1 and the electrode of the monitor by the guide wire 3 is realized, the implementation of the connection mode is simple, and the problem of poor contact is avoided; the reel 6 and the ratchet mechanism outside the catheter 1 realize the rotary storage of the guide wire 3 at the rest outside the catheter 1, and solve the storage problem of the guide wire 3.
In one embodiment, as shown in fig. 2, a clockwork spring 7 is correspondingly arranged between the inner edge of the winding drum 6 and the outer surface of the round bar 5; the clockwork spring 7 is in a plane spiral shape and is provided with a near end close to the central point of the spiral and a far end far away from the central point of the spiral, the near end is fixedly connected with the round rod 5, and the far end is fixedly connected with the winding drum 6; the clockwork spring 7 is used for returning the winding drum 6 to the initial position after the rotation of the winding drum is finished; the spiral direction of the clockwork spring 7 is opposite to the winding direction of the winding section on the winding drum 6.
In one embodiment, as shown in fig. 2, a circular plate 801 is disposed on one side of the winding drum 6, and a ratchet mechanism is disposed between the winding drum 6 and the circular plate 801, and the ratchet mechanism can fix the winding drum 6 at any rotation angle; the ratchet mechanism further includes: the straight rod 8 is positioned above the circular plate 801, is rotatably connected with the circular plate 801, and is provided with a long spring between the straight rod 8 and the circular plate 801, wherein the stretching direction of the long spring is opposite to the winding direction of the winding drum 6; a handle convenient to grab is arranged above the straight rod 8; a clamping groove 601 which is arranged on the upper surface of the winding drum 6 and surrounds the axis of the winding drum 6; meanwhile, the clamping grooves 601 are in interference connection with the circular plates 801, and when the winding drum 6 rotates, the circular plates 801 can be sequentially clamped in the clamping grooves 601; when the clamping device is used, the straight rod 8 is moved by the grabbing handle, so that the clamping groove 601 and the circular plate 801 are in an interference connection state.
The utility model relates to a use method does: when the PICC catheter 1 needs to be connected with an electrode of a monitor, the rod body is moved, when a circular plate 801 on the rod body is placed into one clamping groove 601, the guide wire 3 on the winding drum 6 outside the catheter 1 is pulled, the winding drum 6 rotates, the long spring is stretched, and the clockwork spring 7 is wound along with compression; after the guide wire 3 is connected to the electrode of the monitor, the guide wire 3 stops being pulled, and at the moment, the reel 6 stops rotating due to the fact that the reel 6 does not rotate any more and the damping effect of the circular plate 801 and the clamping groove 601;
when the electrode of the monitor is disconnected with the PICC catheter 1, the rod body is moved, and when the circular plate 801 on the rod body is not positioned in the clamping groove 601 any more, the clockwork spring 7 is restored to the initial state due to the need; the winding drum 6 rotates, so that the excess guide wire 3 is wound.
Claims (6)
1. A PICC catheter assembly having an electrocardiographic positioning connection, comprising: the device comprises a catheter (1), wherein a proximal end (101) positioned in a patient body and a distal end (102) positioned outside the patient body are respectively arranged at two ends of the catheter (1), and a round hole is formed in the side wall of the catheter (1) along one side of the distal end (102);
the winding drum (6) is a hollow cylinder with openings at two ends and is positioned on one side of the round hole, a round rod (5) is arranged on the axis of the winding drum, the round rod (5) is fixedly connected with the guide pipe (1), and the round rod (5) is used for providing the rotation stroke of the winding drum (6);
the guide wire (3) is located in the catheter (1), the two ends of the guide wire are respectively a fixed end and a connecting end, the fixed end is fixedly connected with the proximal end (101) of the catheter (1), the connecting end penetrates through the round hole to extend out of the catheter (1) and is wound on the winding drum (6), the connecting end is fixedly connected with the electrode plate (4), and the electrode plate (4) is used for being connected with an ECG monitor.
2. A PICC catheter assembly with an ecg positioning connection as claimed in claim 1, wherein a clockwork spring (7) is provided between the spool (6) and the rod (5); the spiral spring (7) is in a plane spiral shape and is provided with a near end close to a central point and a far end far away from the central point, the near end is fixedly connected with the round rod (5), and the far end is fixedly connected with the winding drum (6).
3. A PICC catheter assembly with an ecg positioning connection as claimed in claim 2, wherein the clockwork spring (7) is wound in a direction opposite to the direction of the winding head on the spool (6).
4. The PICC catheter assembly with the ECG positioning connection of claim 1, wherein a circular plate (801) is disposed on one side of the spool (6), and a ratchet mechanism is disposed between the spool (6) and the circular plate (801), wherein the ratchet mechanism can fix the spool (6) at any rotation angle.
5. The PICC catheter assembly having an electrocardiographic positioning connection, according to claim 4, wherein said ratchet mechanism further comprises:
the straight rod (8) is positioned at the top end of the circular plate (801) and is rotationally connected with the circular plate (801);
the clamping groove (601) is formed in the upper surface of the winding drum (6) and surrounds the axis of the winding drum (6).
6. The PICC catheter assembly with the ECG positioning connection device as claimed in claim 5, wherein the reel (6) is provided with a box body (2) at both sides, and the straight rod (8) penetrates through the box body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220673507.3U CN217659893U (en) | 2022-03-25 | 2022-03-25 | PICC catheter assembly with electrocardio location connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220673507.3U CN217659893U (en) | 2022-03-25 | 2022-03-25 | PICC catheter assembly with electrocardio location connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217659893U true CN217659893U (en) | 2022-10-28 |
Family
ID=83730670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220673507.3U Expired - Fee Related CN217659893U (en) | 2022-03-25 | 2022-03-25 | PICC catheter assembly with electrocardio location connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217659893U (en) |
-
2022
- 2022-03-25 CN CN202220673507.3U patent/CN217659893U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |