CN213488861U

CN213488861U - PICC electrocardio location conversion equipment

Info

Publication number: CN213488861U
Application number: CN202020892433.3U
Authority: CN
Inventors: 余晓芳
Original assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Current assignee: Union Hospital Tongji Medical College Huazhong University of Science and Technology
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-06-22
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a PICC electrocardio location conversion equipment, include with the first link of heart electrograph electrode slice adaptation to and with the second link of PICC seal wire adaptation, first link passes through conversion wire electric connection with the second link, wherein: the back of heart electrograph electrode piece has the column arch, and first link includes that it is that the X type is articulated through first elastic element to keep two first arm lock that draw close relatively, first arm lock comprises handheld portion and the arc clamping part of connecting at handheld portion end and smooth transition, and when two first arm lock draw close, two arc clamping parts can form with the protruding complex ring groove of column, and location conversion equipment still includes the spiral device that sets up on the conversion wire. An object of the utility model is to provide a can be connected at the stable nimble conversion between electrocardiogram electrode piece and PICC seal wire to but adaptability adjusts conversion wire length and can carry out the PICC location conversion equipment who accomodates to it.

Description

PICC electrocardio location conversion equipment

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a PICC electrocardio location conversion equipment.

Background

The PICC central venous catheter is placed as clinical detection and treatment means that often uses, and its key lies in the accurate location of pipe point, and in clinical practice, because of the pipe dystopy leads to arrhythmia and test distortion's phenomenon very common, and the traditional method is through the straight view of X line or clap the chest piece of bedside and carry out the pipe position adjustment, and its work load is big, and doctors and patients all receive X line radiation, and to the requirement of operator higher, can't popularize in the primary hospital that lacks equipment. And PICC electrocardio location technique can confirm the position of catheter tip through the change of heart electrograph P ripples for the catheter ectopic rate reduces to below 5%, has effectively avoided because of placing the arrhythmia that the deep arouses, has ensured patient's safety.

The Chinese utility model with publication number CN206151455U discloses a PICC electrocardiogram positioning connector, which comprises a conversion switch, wherein the conversion switch is provided with three switching connecting terminals, the first connecting terminal is connected with a jointing clamp through an electric wire, and the jointing clamp is connected with a guide wire in a PICC catheter; the second connecting terminal is fixedly connected with a central metal button of an electrocardiogram electrode plate of the electrocardiogram monitor through an electrocardiogram lead wire; the third connecting terminal is connected with the electrocardiogram lead electrode RA through an electrocardiogram lead wire.

However, the PICC electrocardiogram positioning connector has the following disadvantages:

(1) a change-over switch is required, and the change-over switch is complex in structure and high in cost, so that the change-over switch is not beneficial to popularization in primary hospitals;

(2) if the electrical connection between the electrode female buckle and the second connecting end is to be realized, the conventional ECG monitor needs to be modified, so that the risk of damaging the electrode female buckle and the wire harness exists;

(3) the length can't be adjusted according to actual demand to the conversion conducting wire way between binding post, and adaptability is relatively poor, and inconvenient accomodating.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can be in the stable nimble conversion connection between electrocardiogram electrode piece and PICC seal wire, but the accurate PICC catheter tip position that detects to but adaptability adjusts conversion wire length and can carry out the PICC electrocardio location conversion equipment who accomodates to it, aim at solving the technical problem explained in the background art.

In order to achieve the above object, the utility model provides a PICC electrocardio location conversion equipment, its key lies in, include with the first link of heart electrograph electrode slice adaptation to and with the second link of PICC seal wire adaptation, first link passes through conversion wire electric connection with the second link, wherein: the back of heart electrograph electrode piece has the column arch, first link includes that it is that the X type is articulated through first elastic element to keep two first arm lock of drawing close relatively, first arm lock comprises handheld portion and the arc clamping part of connecting at handheld portion end and smooth transition, and is two when first arm lock draws close first arm lock, two the arc clamping part can form with the protruding complex ring groove of column, location conversion equipment still includes the spiral device that sets up on the conversion wire, the spiral device is adjustable the length of conversion wire to can accomodate it.

Further, the spiral device includes the circular shape spiral box, the left and right sides of spiral box is provided with the confession respectively from top to bottom along its tangential direction the first through wires hole and the second through wires hole that the conversion wire passed, its box intracavity portion cut off for accomodating chamber and installation cavity through the baffle, it is provided with and is used for the inventory to accomodate the intracavity the wire winding roller of conversion wire, be provided with rather than coaxial first axis of rotation in the wire winding roller, the end of first axis of rotation passes the baffle gets into in the installation cavity to be connected with the joint structure, the joint structure with still be provided with the coil spring between the inner chamber wall of installation cavity.

Furthermore, the clamping structure comprises a ratchet wheel, the coil spring is abutted between the disc surface of the ratchet wheel and the partition plate, and a limit switch is arranged corresponding to the ratchet wheel.

Furthermore, the limit switch comprises a brake pawl which is arranged close to the ratchet wheel, the brake pawl is hinged to the plate surface of the partition plate through a second rotating shaft with a second elastic element, an operating rod is further arranged at the tail end of the brake pawl, a limit notch is further formed in the side wall of the installation cavity, the operating rod penetrates through the limit notch to extend outwards, and the brake pawl is abutted to the edge of the ratchet wheel in a natural state without external force intervention.

Furthermore, the second connecting end comprises a pair of second clamping arms which are hinged in an X shape through a third elastic element and keep relatively close, and corrugated anti-skidding teeth are arranged on the contact surfaces of the second clamping arms and the PICC guide wire.

Still further, the first elastic element, the second elastic element and the third elastic element are all torsion springs.

Furthermore, the top of the columnar bulge is provided with a clamping part matched with the electrode female buckle.

Further, the outer surface of the conversion lead is wrapped with an insulating layer.

Furthermore, the thickness of the arc-shaped clamping part is 0.3mm-0.6 mm.

To sum up, compared with the prior art, the utility model has the following beneficial effects:

(1) by arranging the first connecting end, the second connecting end and the conversion lead, the PICC electrocardiogram positioning operation can be realized without a conversion switch, so that the electrocardiogram monitor can be stably and flexibly connected between an electrocardiogram electrode plate and a PICC guide wire, and therefore, an electrode female buckle and a wire harness of the electrocardiogram monitor do not need to be modified, the cost is lower, the adaptability is wider, and the popularization of primary hospitals is facilitated;

(2) the first connecting end is electrically connected with the columnar bulge of the electrode plate by adopting the arc-shaped clamping part, so that the connecting stability can be ensured, poor contact is avoided, the position of the tip end of the PICC catheter can be accurately detected, arrhythmia caused by over-deep catheter placement is effectively avoided, and the safety of the PICC catheter placement of a patient is fully ensured;

(3) through setting up the spiral device, medical personnel can adjust the length of conversion wire according to actual need, make its interval that adapts to between PICC seal wire and the heart electrograph electrode slice, thereby avoid the wadding that the redundant too much of conversion wire leads to, reduce simultaneously and artificially trample and lead the risk of stumbling, the life of conversion wire has been increased, in addition, after the detection finishes, the spiral device can be regular accomodate the conversion wire fast, need not medical personnel people and be the spiral, high durability and convenient use, and the operation of also being convenient for when taking next time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic view of the internal structure of the storage chamber of the winding device of the present invention;

fig. 3 is a schematic view of the internal structure of the installation cavity of the winding device of the present invention;

FIG. 4 is an enlarged schematic view of position A of FIG. 2;

fig. 5 is an enlarged schematic view of the position B in fig. 3.

The electrocardiogram electrode slice comprises 1-electrocardiogram electrode slice, 2-first connecting end, 3-second connecting end, 4-conversion lead, 5-columnar protrusion, 21-first clamping arm, 22-handheld portion, 23-arc clamping portion, 6-winding device, 61-winding box, 62-first threading hole, 63-second threading hole, 64-partition plate, 65-winding roller, 66-first rotating shaft, 67-clamping structure, 68-ratchet wheel, 69-coil spring, 70-limit switch, 71-brake pawl, 72-second rotating shaft, 73-operating rod, 74-limit notch, 31-second clamping arm, 32-anti-slip tooth, 11-clamping portion and 8-PICC guide wire.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a PICC electrocardio location conversion equipment, its key lies in, include with the first link 2 of 1 adaptation of heart electrograph electrode slice to and with the second link 3 of 8 adaptations of PICC seal wires, first link 2 and second link 3 are through 4 electric connection of conversion wire, wherein: the back of heart electrograph electrode slice 1 has the column arch 5, first link 2 includes that it is that the X type is articulated through first elastic element to keep two first arm lock 21 that draw close relatively, first arm lock 21 comprises handheld portion 22 and the arc clamping part 23 of connecting at handheld portion 22 end and smooth transition, and is two when first arm lock 21 draws close, two arc clamping part 23 can form with the protruding 5 complex ring groove of column, the location conversion equipment still includes the spiral device 6 that sets up on the conversion wire 4, spiral device 6 is adjustable the length of conversion wire 4 to can accomodate it.

In the embodiment, the first connecting end 2, the second connecting end 3 and the conversion lead 4 are arranged, so that PICC (peripherally inserted central catheter) electrocardio-positioning operation can be realized without a conversion switch, the electrocardio-monitor can be stably and flexibly connected between an electrocardio-image electrode plate 1 and a PICC guide wire 8 in a conversion way, and therefore, an electrode female buckle and a wire harness of the electrocardio-monitor do not need to be modified, the cost is lower, the adaptability is wider, and popularization of primary hospitals is facilitated; the first connecting end 2 is electrically connected with the columnar bulge 5 of the electrode plate by adopting the arc-shaped clamping part 23, so that the connection stability can be ensured, poor contact is avoided, the position of the tip end of the PICC catheter can be accurately detected, arrhythmia caused by too deep catheter placement is effectively avoided, and the safety of PICC catheter placement of a patient is fully ensured; through setting up spiral device 6, medical personnel can adjust the length of conversion wire 4 according to actual need, make its interval that adapts to between PICC seal wire 8 and the heart electrograph electrode slice 1, thereby avoid the wadding that the redundant too much of conversion wire 4 leads to, reduce simultaneously and artificially trample and stumble the risk, the life of conversion wire 4 has been increased, in addition, after the detection finishes, spiral device 6 can be regular take in conversion wire 4 fast, need not medical personnel people and be the spiral, high durability and convenient use, and the operation of also being convenient for more when taking next time.

Specifically, spiral device 6 includes circular shape spiral box 61, the left and right sides of spiral box 61 is provided with the confession respectively from top to bottom along its tangential direction the first through wires hole 62 and the second through wires hole 63 that conversion wire 4 passed, its box intracavity portion cut off for accomodating chamber and installation cavity through baffle 64, it is used for the inventory to accomodate the intracavity be provided with the wire winding roller 65 of conversion wire 4, be provided with rather than coaxial first axis of rotation 66 in the wire winding roller 65, the end of first axis of rotation 66 passes baffle 64 gets into in the installation cavity to be connected with clamping structure 67, clamping structure 67 with still be provided with coil spring 69 between the inner chamber wall of installation cavity.

Specifically, the clamping structure 67 includes a ratchet 68, the coil spring 69 abuts between the disk surface of the ratchet 68 and the partition plate 64, and a limit switch 70 is further disposed corresponding to the ratchet 68.

Specifically, the limit switch 70 includes a brake pawl 71 disposed close to the ratchet wheel 68, the brake pawl 71 is hinged to the plate surface of the partition plate 64 through a second rotating shaft 72 with a second elastic element, the end of the brake pawl is further provided with an operating rod 73, the side wall of the installation cavity is further provided with a limit notch 74, the operating rod 73 passes through the limit notch 74 and extends outwards, and the brake pawl 71 abuts against the edge of the ratchet wheel 68 in a natural state without external force intervention.

In the present embodiment, the conversion lead 4 is pulled from the first threading hole 62 and/or the second threading hole 63, the ratchet 68 rotates synchronously with the conversion lead 4, at this time, the braking pawl 71 moves along the back of the pawl distributed on the edge of the ratchet 68, therefore, the conversion lead 4 can freely pass through the first threading hole 62 and the second threading hole 63 without shifting the plectrum, when the length of the passed conversion lead 4 is proper, because the braking pawl 71 abuts between two adjacent pawls on the edge of the ratchet 68, the operating rod 73 abuts against the inner side wall of the gap, therefore, the ratchet 68 can only rotate counterclockwise and cannot rotate clockwise, in this case, the conversion lead 4 cannot retract, thereby limiting the length of the conversion lead 4, and when the conversion lead 4 needs to be stored or shortened, the braking pawl 71 can automatically fall off the ratchet 68 by shifting the operating rod 73, at this time, the coil spring 69 is mainly wound by the lower winding roller 65 of the ratchet 68, so that the length of the switching wire 4 is shortened, the operating lever is released, and the length of the switching wire 4 is limited again, it should be noted that the sizes of the tail ends of the first connecting end 2 and the second connecting end 3 are respectively larger than the first threading hole 62 and the second threading hole 63, so that the first connecting end 2 and the second connecting end 3 are prevented from being retracted into the storage box due to improper operation, and the next positioning switching operation is facilitated.

Specifically, the second connection end 3 includes a pair of second clamping arms 31 hinged in an X-shape through a third elastic element and kept relatively close to each other, and corrugated anti-slip teeth 32 are arranged on contact surfaces of the second clamping arms 31 and the PICC guide wire 8.

In this embodiment, the anti-slip tooth 32 can effectively prevent the second clip arm 31 from separating, and ensure the connection to be tight and stable.

In combination with a specific application scenario, the first elastic element, the second elastic element, and the third elastic element are all torsion springs.

Specifically, the top of the columnar protrusion 5 is provided with a clamping part 11 matched with the electrode female buckle.

Specifically, the outer surface of the conversion lead 4 is wrapped with an insulating layer.

Specifically, in order to avoid interference with the connection of the electrode box and the columnar protrusion 5, the thickness of the arc-shaped clamping part 23 is 0.3mm-0.6 mm.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a PICC electrocardio location conversion equipment, its characterized in that, include with the first link of heart electrograph electrode slice adaptation to and with the second link of PICC seal wire adaptation, first link passes through conversion wire electric connection with the second link, wherein: the back of heart electrograph electrode piece has the column arch, first link includes that it is that the X type is articulated through first elastic element to keep two first arm lock of drawing close relatively, first arm lock comprises handheld portion and the arc clamping part of connecting at handheld portion end and smooth transition, and is two when first arm lock draws close first arm lock, two the arc clamping part can form with the protruding complex ring groove of column, location conversion equipment still includes the spiral device that sets up on the conversion wire, the spiral device is adjustable the length of conversion wire to can accomodate it.

2. The PICC electrocardio-positioning conversion device of claim 1, wherein the wire winding device comprises a circular wire winding box, the left side and the right side of the wire winding box are respectively provided with a first wire threading hole and a second wire threading hole which are used for the conversion lead to pass through along the tangential direction, the box cavity is internally partitioned into a storage cavity and an installation cavity through a partition plate, a wire winding roller for coiling the conversion lead is arranged in the storage cavity, a first rotating shaft coaxial with the wire winding roller is arranged in the wire winding roller, the tail end of the first rotating shaft penetrates through the partition plate to enter the installation cavity and is connected with a clamping structure, and a coil spring is further arranged between the clamping structure and the inner cavity wall of the installation cavity.

3. The PICC electrocardio-positioning conversion device of claim 2, wherein the clamping structure comprises a ratchet wheel, the coil spring is abutted between the disk surface of the ratchet wheel and the partition plate, and a limit switch is further arranged corresponding to the ratchet wheel.

4. The PICC electrocardiograph positioning conversion device according to claim 3, wherein the limit switch comprises a brake pawl arranged close to the ratchet wheel, the brake pawl is hinged to the plate surface of the partition plate through a second rotating shaft with a second elastic element, an operating rod is further arranged at the tail end of the brake pawl, a limit notch is further formed in the side wall of the installation cavity, the operating rod penetrates through the limit notch to extend outwards, and the brake pawl abuts against the edge of the ratchet wheel in a natural state without external force intervention.

5. The PICC electrocardio-positioning conversion device of claim 4, wherein the second connecting end comprises a pair of second clamping arms which are hinged in an X shape through a third elastic element and keep relatively close, and corrugated anti-skid teeth are arranged on the contact surfaces of the second clamping arms and the PICC guide wire.

6. The PICC heart electrical positioning conversion device of claim 5, wherein the first resilient element, the second resilient element and the third resilient element are torsion springs.

7. The PICC electrocardio-positioning conversion device of claim 6, wherein the top of the columnar protrusion is provided with a clamping part matched with the electrode female buckle.

8. The PICC electrocardiographic positioning conversion device according to claim 7, wherein an insulating layer is wrapped around the outer surface of the conversion lead.

9. The PICC electrocardiographic positioning conversion device according to claim 8, wherein the thickness of the arc-shaped clamping portion is 0.3mm-0.6 mm.