CN215780405U

CN215780405U - Hemodialysis pipe fixing device

Info

Publication number: CN215780405U
Application number: CN202122474107.8U
Authority: CN
Inventors: 徐兴波
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-02-11
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a hemodialysis catheter fixing device which comprises an arc-shaped plate, wherein a fixing assembly is fixedly arranged on the lower surface of the arc-shaped plate, a bottom plate is fixedly connected to the top of the arc-shaped plate, four tripping assemblies are arranged on the outer surface of the bottom plate, a pressing mechanism is arranged on the top of the bottom plate, and four fastening mechanisms are jointly arranged between the pressing mechanism and the bottom plate. According to the utility model, the branch pipe and the insertion pipe can be fixed respectively through the pressing mechanism, the bottom plate, the insertion pipe groove and the branch pipe groove, so that the hemodialysis catheter is very firmly fixed, and the hemodialysis catheter is effectively prevented from loosening or the needle head is prevented from displacing.

Description

Hemodialysis pipe fixing device

Technical Field

The utility model relates to the technical field of hemodialysis, in particular to a hemodialysis catheter fixing device.

Background

Hemodialysis is one of the kidney replacement treatment modes of patients with acute and chronic renal failure. The method comprises the steps of draining blood in vivo to the outside of the body, passing through a dialyzer consisting of a plurality of hollow fibers, enabling the blood and electrolyte solution with similar body concentration to be inside and outside one hollow fiber, and performing substance exchange by dispersion, ultrafiltration, adsorption and convection principles to remove metabolic waste in the body and maintain the balance of electrolyte and acid-base; meanwhile, excessive water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis;

the hemodialysis catheter which is common in the market at present basically comprises a cannula, a three-way pipe and two branch pipes, most of the existing fixing methods use adhesive tapes to adhere and fix the joint of the three-way pipe and the branch pipes and the skin, and the adhesion of the adhesive tapes can be reduced along with the lapse of time, so that the dialysis catheter falls off or a needle head is displaced, and the normal hemodialysis is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a hemodialysis catheter fixing device.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a hemodialysis pipe fixing device, includes the arc, the lower fixed surface of arc installs fixed subassembly, the top fixedly connected with bottom plate of arc, the surface mounting of bottom plate has four components of unbuckling, the top of bottom plate is equipped with hold-down mechanism, install four lock joint mechanisms between hold-down mechanism and the bottom plate jointly, intubate groove and two spinal branch pipe grooves have all been seted up to the top of bottom plate and hold-down mechanism's bottom.

Furthermore, hold-down mechanism includes the roof, four guide pillars of the bottom symmetry fixedly connected with of roof, four the common sliding connection of guide pillar has the clamp plate, and intubate groove and two branch pipe grooves set up in the bottom of clamp plate, four compression spring of the common fixedly connected with in top of clamp plate and the bottom of roof, and the compression spring cover is established in the surface of guide pillar, and the ejector pin is with the ejecting draw-in groove of spring card, then takes out hold-down mechanism through the roof.

Furthermore, four fastening mechanisms all include slot and dead lever, and the slot is corresponding with the dead lever, the slot is seted up at the top of bottom plate, fixed connection between dead lever and the guide pillar, the draw-in groove has been seted up to internal surface one side of slot, surface one side fixedly connected with spring card of dead lever, and spring card is corresponding with the draw-in groove, and the dead lever aims at the slot and inserts, until the spring card is located the inside of draw-in groove to fixed hold-down mechanism, compression spring applys pressure to the clamp plate, thereby fixed with hemodialysis pipe, the guide pillar has limiting displacement, improves the stability of clamp plate operation.

Furthermore, four the tripping assembly all includes the through-hole, and the through-hole link up with the surface of draw-in groove and bottom plate mutually, the inside sliding connection of through-hole has the ejector pin, one side fixedly connected with rubber sleeve that the draw-in groove was kept away from to the ejector pin, and fixed connection between rubber sleeve and the bottom plate.

Further, fixed subassembly includes first elastic cord and second elastic cord, and first elastic cord and second elastic cord be fixed mounting respectively in the both sides of arc, the magic subsides are all installed with the second elastic cord to first elastic cord, and cooperation is pasted to first elastic cord, second elastic cord and magic is convenient for fix the arc.

Furthermore, two the internal surface in intubate groove and branch pipe groove all is equipped with anti-skidding line, and the edge in intubate groove and branch pipe groove all is the arc and handles, and anti-skidding line increases frictional force, has improved the fixed reliability of branch pipe and intubate.

Furthermore, the center of the bottom plate and the center of the pressing plate are both hollowed-out parts, and the pipe inserting grooves and the branch pipe grooves are communicated with the hollowed-out parts, so that the three-way pipe is placed conveniently, and the pipe inserting and the branch pipe are fixed conveniently.

The utility model has the beneficial effects that:

1. when the hemodialysis catheter fixing device is used, the branch pipe and the cannula can be fixed respectively through the pressing mechanism, the bottom plate, the cannula groove and the branch pipe groove, so that the hemodialysis catheter is fixed firmly, and the hemodialysis catheter is effectively prevented from loosening or the needle head is prevented from displacing.

2. When the hemodialysis catheter fixing device is used, the clamping mechanism and the clamping component are arranged, so that the compression mechanism can be conveniently mounted and dismounted, and the hemodialysis catheter can be conveniently mounted and dismounted.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom plate structure of the present invention;

FIG. 3 is a schematic view of the pressing mechanism of the present invention;

FIG. 4 is a schematic view of the fastening mechanism and the release member of the present invention.

Illustration of the drawings:

1. an arc-shaped plate; 2. a fixing assembly; 21. a first elastic band; 22. magic tape; 23. a second elastic band; 3. a hold-down mechanism; 31. a compression spring; 32. pressing a plate; 33. a guide post; 34. a top plate; 4. an unbuckling assembly; 41. a through hole; 42. a top rod; 43. a rubber sleeve; 5. a base plate; 6. a fastening mechanism; 61. a slot; 62. fixing the rod; 63. a spring clip; 64. a card slot; 7. a tube inserting groove; 8. a branch pipe groove.

Detailed Description

Fig. 1 and 2 show, relate to a hemodialysis pipe fixing device, including arc 1, the fixed surface of arc 1 installs fixed subassembly 2, the top fixedly connected with bottom plate 5 of arc 1, the surface mounting of bottom plate 5 has four trip components 4, the top of bottom plate 5 is equipped with hold-down mechanism 3, install four fastening mechanism 6 between hold-down mechanism 3 and the bottom plate 5 jointly, intubate groove 7 and two spinal branch pipe ways 8 have all been seted up to the top of bottom plate 5 and hold-down mechanism 3's bottom.

The fixing assembly 2 comprises a first elastic band 23 and a second elastic band 21, the first elastic band 23 and the second elastic band 21 are respectively fixedly arranged on two sides of the arc-shaped plate 1, and magic tapes 22 are respectively arranged on the first elastic band 23 and the second elastic band 21.

The inner surfaces of the two pipe inserting grooves 7 and the branch pipe groove 8 are provided with anti-slip lines, and the edges of the pipe inserting grooves 7 and the branch pipe groove 8 are arc-shaped.

The centers of the bottom plate 5 and the pressing plate 32 are all hollowed out, and the intubation slot 7 and the branch tube slot 8 are communicated with the hollowed-out positions.

As shown in fig. 3, the pressing mechanism 3 includes a top plate 34, four guide pillars 33 are symmetrically and fixedly connected to the bottom of the top plate 34, a pressing plate 32 is connected to the four guide pillars 33 in a sliding manner, the cannula slot 7 and the two cannula slots 8 are opened at the bottom of the pressing plate 32, four compression springs 31 are fixedly connected to the top of the pressing plate 32 and the bottom of the top plate 34, and the compression springs 31 are sleeved on the outer surfaces of the guide pillars 33.

As shown in fig. 4, each of the four fastening mechanisms 6 includes a slot 61 and a fixing rod 62, the slot 61 corresponds to the fixing rod 62, the slot 61 is disposed on the top of the bottom plate 5, the fixing rod 62 is fixedly connected to the guide pillar 33, a locking slot 64 is disposed on one side of the inner surface of the slot 61, a spring locking piece 63 is fixedly connected to one side of the outer surface of the fixing rod 62, and the spring locking piece 63 corresponds to the locking slot 64.

The four tripping assemblies 4 respectively comprise a through hole 41, the through holes 41 are communicated with the outer surfaces of the clamping groove 64 and the bottom plate 5, the ejector rods 42 are slidably connected inside the through holes 41, one side, away from the clamping groove 64, of each ejector rod 42 is fixedly connected with a rubber sleeve 43, and each rubber sleeve 43 is fixedly connected with the bottom plate 5.

When using hemodialysis pipe fixing device, at first through first elastic cord 23, second elastic cord 21 and magic subsides 22 cooperation are fixed with arc 1, then place the intubate in intubation slot 7, the branch pipe is placed in the rampart slot 8, the three-way pipe is located fretwork department, then insert dead lever 62 alignment slot 61, until spring card 63 is located the inside of draw-in groove 64, then compression spring 31 exerts pressure to clamp plate 32, thereby it is fixed with the hemodialysis pipe, when needing to take off the hemodialysis pipe, press down rubber sleeve 43, ejector pin 42 is with the ejecting draw-in groove 64 of spring card 63, then take off hold-down mechanism 3 through roof 34, then take off the hemodialysis pipe.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A hemodialysis catheter fixing device, includes arc (1), its characterized in that: the lower fixed surface of arc (1) installs fixed subassembly (2), the top fixedly connected with bottom plate (5) of arc (1), the surface mounting of bottom plate (5) has four trip components (4), the top of bottom plate (5) is equipped with hold-down mechanism (3), install four lock joint mechanism (6) between hold-down mechanism (3) and bottom plate (5) jointly, intubate groove (7) and two spinal branch pipe groove (8) have all been seted up to the top of bottom plate (5) and the bottom of hold-down mechanism (3).

2. A hemodialysis catheter securement device, as claimed in claim 1, wherein: the pressing mechanism (3) comprises a top plate (34), four guide pillars (33) are symmetrically and fixedly connected to the bottom of the top plate (34), four guide pillars (33) are connected with a pressing plate (32) in a sliding mode, a tube inserting groove (7) and two branch tube grooves (8) are formed in the bottom of the pressing plate (32), four compression springs (31) are fixedly connected to the top of the pressing plate (32) and the bottom of the top plate (34) in a fixing mode, and the compression springs (31) are sleeved on the outer surfaces of the guide pillars (33).

3. A hemodialysis catheter securement device, as claimed in claim 2, wherein: four fastening mechanisms (6) all include slot (61) and dead lever (62), and slot (61) are corresponding with dead lever (62), the top at bottom plate (5) is seted up in slot (61), fixed connection between dead lever (62) and guide pillar (33), draw-in groove (64) have been seted up to the internal surface one side of slot (61), surface one side fixedly connected with spring card (63) of dead lever (62), and spring card (63) are corresponding with draw-in groove (64).

4. A hemodialysis catheter securement device, according to claim 3, wherein: four trip subassembly (4) all include through-hole (41), and through-hole (41) link up with the surface of draw-in groove (64) and bottom plate (5) mutually, the inside sliding connection of through-hole (41) has ejector pin (42), one side fixedly connected with rubber sleeve (43) of draw-in groove (64) are kept away from in ejector pin (42), and fixed connection between rubber sleeve (43) and bottom plate (5).

5. A hemodialysis catheter securement device, as claimed in claim 1, wherein: fixed subassembly (2) include first elastic cord (23) and second elastic cord (21), and first elastic cord (23) and second elastic cord (21) fixed mounting respectively in the both sides of arc (1), magic subsides (22) are all installed with second elastic cord (21) in first elastic cord (23).

6. A hemodialysis catheter securement device, as claimed in claim 1, wherein: the inner surfaces of the two pipe inserting grooves (7) and the inner surfaces of the branch pipe grooves (8) are provided with anti-slip lines, and the edges of the pipe inserting grooves (7) and the edges of the branch pipe grooves (8) are arc-shaped.

7. A hemodialysis catheter securement device, as claimed in claim 1, wherein: the center of the bottom plate (5) and the center of the pressing plate (32) are both hollowed out, and the intubation slot (7) and the branch tube slot (8) are communicated with the hollowed-out positions.