CN219963598U

CN219963598U - Identification and protection device for monitorable arteriovenous fistula

Info

Publication number: CN219963598U
Application number: CN202322480408.0U
Authority: CN
Inventors: 邱敏; 王璐; 田晓军; 侯小飞; 张树栋
Original assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Current assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2023-11-07
Anticipated expiration: 2033-09-13

Abstract

The utility model discloses a monitorable arteriovenous fistula identification and protection device, and relates to the medical field. The first section and the second section which slide relatively are arranged, and the size inside the shell can be adjusted by controlling the overlapping range between the first section and the second section, so that the protection device can adapt to arteriovenous fistulae with different sizes.

Description

Identification and protection device for monitorable arteriovenous fistula

Technical Field

The utility model relates to the medical field, in particular to a monitorable identification and protection device for arteriovenous fistula.

Background

Arteriovenous fistulae are known to refer to abnormal direct pathways between arteries and veins. Typically, arteries transport oxygenated blood from the heart to the various tissues, while veins carry blood containing metabolic waste back from the tissues to the heart. The arteriovenous fistula is mainly used for hemodialysis of patients with renal insufficiency, and the arteriovenous fistula needs to be well protected in the perioperative period of renal transplantation operation or other operations, so that the arteriovenous fistula is prevented from being blocked by a compression guide actuation venous fistula, and is convenient to use during dialysis.

If the grant bulletin number is CN 213249420U, the grant date is 2021.05.25, the patent document of the name "arteriovenous fistula postoperative protection device", it is including being cylindric protective housing, be equipped with the opening that self preservation protective housing one end terminal surface extends to the other end terminal surface on the lateral wall of protective housing, and on the surface of protective housing lateral wall and lie in the opening both sides all bond and have the connection cloth, be fixed with at least a set of magic subsides that can bond each other on the connection cloth of both sides, the both ends of protective housing just are located and all are equipped with the sponge packing ring that is the ring form on the protective housing lateral wall internal surface. According to the utility model, the protecting device is sleeved at the arteriovenous fistula wound, so that the wound bleeding phenomenon caused by accidental compression can be effectively avoided, and arteriovenous fistula formation can be effectively protected.

The prior art has the defects that the size of the arteriovenous fistula is not fixed after the operation, but the size of the protecting device is fixed, and the application range is single, so that the protecting device with various sizes is required to be equipped after the operation, and the medical cost is increased.

Disclosure of Invention

The utility model aims to provide a device for identifying and protecting an arteriovenous fistula, which can be used for solving the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a but sign and protection device of monitoring arteriovenous fistula, establishes the casing at arteriovenous fistula week side including the cover, the casing includes first section and the second section of mutual sliding connection.

The above-mentioned sign and protection device of but monitoring arteriovenous fistula, the second section is two, two the second section slip respectively set up in the both ends of first section.

The identification and protection device for the arteriovenous fistula capable of being monitored is characterized in that a locking piece for fixing the relative positions of the first section and the second section is arranged between the first section and the second section.

The device for identifying and protecting the arteriovenous fistula comprises a locking piece, wherein the locking piece is elastically arranged on the second section, and the first section is provided with a clamping groove matched with the locking piece.

The identification and protection device for the arteriovenous fistula capable of being monitored is characterized in that an anti-slip layer is arranged on the shell.

The identification and protection device for the arteriovenous fistula capable of being monitored is characterized in that a fixing piece for fixing the position of the shell is arranged on the shell.

Foretell sign and protection device of artery and vein fistula that can monitor, the mounting includes first bandage and second bandage, first bandage with the equal rigid coupling of second bandage in on the casing, be provided with the jack on the first bandage, be provided with on the second bandage with the bolt of jack looks adaptation.

The identification and protection device for the monitorable arteriovenous fistula comprises a plurality of jacks.

The identification and protection device for the arteriovenous fistula capable of being monitored is characterized in that an observation port is formed in the shell.

The identification and protection device for the arteriovenous fistula capable of being monitored is characterized in that the length of a hollow area in the shell is 4cm, and the width of the hollow area in the shell is 2cm.

In the technical scheme, the identification and protection device for the arteriovenous fistula capable of being monitored is provided with the first section and the second section which slide relatively, and the size inside the shell can be adjusted by controlling the overlapping range between the first section and the second section, so that the protection device can adapt to arteriovenous fistulae with different sizes.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of an external overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an external overall structure according to another embodiment of the present utility model;

fig. 3 is a schematic view of a partial cross-sectional structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a housing; 101. a first section; 102. a second section; 2. a clamping block; 3. a clamping groove; 4. a movable groove; 5. a spring; 6. a handle; 7. an anti-slip layer; 8. a first strap; 9. a second strap; 10. a jack; 11. a plug pin; 12. a limiting ring; 13. an observation port; 14. a soft transparent layer; 15. and a sliding groove.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center", "length", "upper", "lower", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, with the length direction of the cartridge 2 being the horizontal direction and the thickness direction of the cartridge 2 being the vertical direction, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3, the device for identifying and protecting an arteriovenous fistula capable of being monitored according to the embodiment of the utility model comprises a shell 1 sleeved on the peripheral side of the arteriovenous fistula, wherein the shell 1 comprises a first section 101 and a second section 102 which are connected with each other in a sliding manner.

Specifically, the casing 1 is a hollow frame shape, when in use, the casing 1 is fixedly arranged on an arm, and the casing 1 is sleeved outside an arteriovenous fistula, so that the arteriovenous fistula is in a hollowed-out state, thereby covering the arteriovenous fistula on the inner side of the casing 1 to avoid external pollution, and the casing is made of hard materials to ensure that the arteriovenous fistula is not blocked due to external force compression.

Further, the surface of the housing 1 contacting the skin is arc-shaped to adapt to the arc-shaped surface of the arm, so that the comfort level of the patient wearing the device can be improved.

Preferably, the two second sections 102 are respectively slidably disposed at two ends of the first section 101, specifically, the first section 101 is located at a middle position of the two second sections 102, the two ends of the first section 101 are symmetrically provided with the sliding grooves 15, the two second sections 102 are respectively slidably connected with the two sliding grooves 15, and the length of the second sections 102 in the sliding grooves 15 is controlled, so that the size of the interior of the casing 1 can be controlled, and due to the symmetrical arrangement of the two second sections 102, the two second sections 102 can be simultaneously slid when the size of the casing 1 is adjusted, so that the first section 101 is always located at the center position of the two second sections 102, and the center offset of the casing 1 is avoided.

Further, a locking member for fixing the relative positions of the first section 101 and the second section 102 is disposed between the first section 101 and the second section 102, specifically, the locking member may be a manner of matching a bolt with a screw hole, that is, screwing the bolt can fix the positions of the first section 101 and the second section 102, otherwise, unlocking the first section 101 and the second section 102, so that the first section 101 and the second section 102 can slide relatively, thereby fixing the size of the housing 1, and improving the stability when the device is worn.

Preferably, the locking piece includes fixture block 2, fixture block 2 elasticity set up in on the second section 102, set up on the first section 101 with the draw-in groove 3 of fixture block 2 looks adaptation, specifically, two movable slots 4 have been seted up to the symmetry on single second section 102, fixture block 2 slides and sets up in movable slot 4, elasticity sets up also to be provided with spring 5 between fixture block 2 and the movable slot 4, the one end of keeping away from movable slot 4 of fixture block 2 is hemispherical, correspond, draw-in groove 3 is hemispherical equally, and draw-in groove 3 is provided with a plurality of, and evenly arrange on the lateral wall of spout 15, draw-in groove 3 is located the motion stroke of fixture block 2, the effect of setting so that fixture block 2 pegging graft with one of them draw-in groove 3, thereby can be fixed with the size of casing 1, and spring 5 is in compression state all the time, when the inside size of casing 1 needs to be adjusted, second section 102 moves and can drive fixture block 2 synchronous movement, because fixture block 2 and draw-in groove 3 all are hemispherical, the tip of fixture block 2 can be under the effect of pulling down draw-in groove 3, and this spring 5 is compressed 3, then the effect of the spring 5 is realized to the side-by the side of the casing 1, and the spring is convenient to be fixed in the size of this side of the casing 1.

The second section 102 is provided with a handle 6, whereby pulling of the handle 6 by hand can be facilitated to apply a pulling force to the second section 102.

Further, the anti-slip layer 7 is arranged on the shell 1, the anti-slip layer 7 is preferably rubber, the rubber has a larger dynamic friction factor, and the friction force between the shell 1 and the skin of a patient can be improved, so that relative sliding between the shell 1 and the arm of the patient is avoided, and the shell 1 and arteriovenous fistula can be prevented from being scratched.

Further, be provided with on the casing 1 and be used for fixing the mounting of casing 1 position, specifically, the mounting can be all be provided with the connecting band on casing 1 both sides face, is provided with the magic subsides on the connecting band, bypasses patient's arm with the connecting band, then pastes the adhesion with the magic on two connecting bands to can fix casing 1 on patient's arm.

Preferably, the mounting includes first bandage 8 and second bandage 9, first bandage 8 with the equal rigid coupling of second bandage 9 in on the casing 1, be provided with jack 10 on the first bandage 8, be provided with on the second bandage 9 with jack 10 looks adaptation bolt 11, specific, first bandage 8 and second bandage 9 all are preferably soft rubber materials, and first bandage 8 and second bandage 9 symmetry set up on the both sides face of first section 101, and be provided with spacing ring 12 on the first bandage 8, and spacing ring 12 and the size looks adaptation of second bandage 9, the effect of setting up like this is that when needs to fix casing 1 on the arm, inserts spacing ring 12 with the tip of second bandage 9 in, in order to twine first bandage 8 and second bandage 9 to the patient's arm, then inside inserting jack 10 with bolt 11, can fix the position of first bandage 8 and second bandage 9, thereby fix the position of casing 1, compare in the fixed mode of jack 11 and jack 10, can make the mode of pegging graft more firm with the casing 1.

Because the sizes of the arms of the patients are different, a single jack 10 cannot adapt to arms with various sizes, further, the jacks 10 are multiple, the jacks 10 are uniformly arranged in the length direction of the first binding band 8, and the bolts 11 are inserted into different jacks 10, so that the overall length of the two binding bands can be adjusted to adapt to arms with different sizes.

Further, the casing 1 is provided with an observation port 13, specifically, the observation port 13 is a through hole, and is arranged on a surface of the casing 1 far away from the arm, and the arteriovenous fistula condition can be observed through eyes in real time through the observation port 13.

Further, the observation port 13 is provided with a soft transparent layer 14, specifically, the soft transparent layer 14 may be made of soft transparent rubber, which has extensibility, so that the soft transparent layer 14 may isolate the inner space of the casing 1 from the outer space, so as to avoid external pollution, and the soft transparent layer 14 has extensibility, so that the condition of palpating or auscultating arteriovenous fistula can be performed by pressing down the soft transparent layer 14.

Further, a small number of ventilation holes may be formed in the soft transparent layer 14 or the casing 1 to ensure ventilation of the inside of the casing 1.

Preferably, the hollow area inside the casing 1 has a length of 4cm and a width of 2cm, which is the smallest dimension of the casing 1 to accommodate smaller arteriovenous fistulae.

It should be noted that the device can play a role of a sign, that is, when medical staff sees that the device is worn on the arm of a patient, the patient can be identified to have arteriovenous fistula, and care needs to be taken to protect the patient.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a but sign and protection device of monitoring arteriovenous fistula, establishes at arteriovenous fistula week side's casing including the cover, its characterized in that, the casing includes first section and the second section of mutual sliding connection.

2. The device of claim 1, wherein the number of the second sections is two, and the two second sections are slidably disposed at two ends of the first section, respectively.

3. The device of claim 2, wherein a locking member is disposed between the first and second segments for securing the relative positions of the first and second segments.

4. The device of claim 3, wherein the locking member comprises a clamping block, the clamping block is elastically arranged on the second section, and the first section is arranged in a clamping groove adapted to the clamping block.

5. The device of claim 1, wherein the housing is provided with an anti-slip layer.

6. The device of claim 1, wherein the housing is provided with a fastener for securing the housing in position.

7. The device of claim 6, wherein the fastener comprises a first strap and a second strap, the first strap and the second strap are fixedly connected to the housing, the first strap is provided with a receptacle, and the second strap is provided with a plug adapted to the receptacle.

8. The device of claim 7, wherein the plurality of receptacles are provided.

9. The device of claim 1, wherein the housing is provided with a viewing port.

10. The device of claim 9, wherein the hollow area within the housing is 4cm long and 2cm wide.