CN216536357U

CN216536357U - Hemodialysis pipeline artery and vein proximal end fixer

Info

Publication number: CN216536357U
Application number: CN202122338472.6U
Authority: CN
Inventors: 杨薇; 黄艳芳
Original assignee: SECOND PEOPLE'S HOSPITAL OF DEYANG CITY
Current assignee: SECOND PEOPLE'S HOSPITAL OF DEYANG CITY
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-05-17
Anticipated expiration: 2031-09-26

Abstract

The utility model provides a blood and venous near-center end fixator of a hemodialysis pipeline, which comprises a fixing mechanism for fixing the fixator on a sickbed and a clamping mechanism for clamping the pipeline, wherein a connecting column is arranged at the bottom of the clamping mechanism and is rotationally connected with the fixing mechanism, a gear is arranged on the connecting column, a first supporting block is arranged on one side of the gear and is fixedly connected with the top of the fixing mechanism, a first guide rod is slidably arranged on the first supporting block in a penetrating manner, a rack capable of being meshed with the gear is arranged at one end of the first guide rod, a first pull ring is arranged at the other end of the first guide rod, a first spring is sleeved between the rack and the first supporting block, and the first spring is sleeved on the first guide rod. The clamping mechanism for clamping the pipeline cannot rotate in the using process, so that the stability of the pipeline is ensured, and the reliability is improved.

Description

Hemodialysis pipeline artery and vein proximal end fixer

Technical Field

The utility model relates to the technical field of medical equipment auxiliary tools, in particular to an arteriovenous proximal fixator for a hemodialysis pipeline.

Background

Hemodialysis is one of the kidney replacement treatment modes of patients with acute and chronic renal failure. The blood and electrolyte solution (dialysate) with similar concentration of organism are arranged inside and outside one hollow fiber by draining the blood in vivo to the outside of the body through a dialyzer consisting of a plurality of hollow fibers, and the material exchange is carried out by dispersion/convection, thereby removing the metabolic waste in the body and maintaining the balance of electrolyte and acid-base; at the same time, the excess water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis.

Usually, the sound vascular road is fixed with fixed adhesive plaster in the nursing bag, and this kind of adhesive plaster is fixed by the temperature influence, exists and pastes not tightly, lets the quilt sheet adhesion easily, causes the pipeline slippage, and the pjncture needle drops, and is pleasing to the eye unhygienic, and the glue that the adhesive plaster left over is pasted on sheet or sick bed and sick bed guardrail easily, is difficult for clearing.

The patent with the publication number of 'CN 213789207U' discloses a hemodialysis appearance pipeline moving and static vein near-center end fixer, the above-mentioned problem has been solved well, however, in this patent, the bottom is used for fixing the fixture on the sick bed with the fixer and the fixture that the top is used for the centre gripping pipeline pass through the fixed column and cup joint the post activity and cup joint for the fixture whole of centre gripping pipeline can rotate, nevertheless fixture is in active state all the time, lead to fixture to take place to rotate because of the touching easily in the use, thereby lead to the pipeline to shift the slippage even.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hemodialysis pipeline arteriovenous proximal fixator which cannot rotate in the using process of a clamping mechanism for clamping a pipeline, ensures the stability of the pipeline and improves the reliability.

The embodiment of the utility model is realized by the following technical scheme:

the utility model provides a hemodialysis pipeline sound arteries and veins near-heart end fixer, including being used for fixing the fixture on the sick bed with the fixture that is used for the centre gripping pipeline, fixture's bottom is equipped with the spliced pole, the spliced pole rotates with the fixture to be connected, be equipped with the gear on the spliced pole, one side of gear is equipped with first supporting block, first supporting block and fixture's top fixed connection, wear to be equipped with first guide arm on the first supporting block slidable, the one end of first guide arm be equipped with can with gear engagement's rack, the other end of first guide arm is equipped with first pull ring, the cover is equipped with first spring between rack and the first supporting block, and first spring suit is on first guide arm.

Optionally, the fixing mechanism includes a bottom plate, the top of the bottom plate is rotatably connected with the connecting column, a fixed clamping block and a movable clamping block are arranged at the bottom of the bottom plate, the fixed clamping block is fixedly connected with the bottom plate, the movable clamping block is slidably connected with the bottom plate, a second supporting block is arranged on one side, away from the fixed clamping block, of the movable clamping block, an adjusting rod is connected to the second supporting block through threads, one end of the adjusting rod is rotatably connected with the movable clamping block, and a knob is arranged at the other end of the adjusting rod.

Optionally, the clamping surfaces of the fixed clamping block and the movable clamping block are provided with a first arc-shaped groove.

Optionally, the bottom plate is connected to the connecting column by a flat bearing.

Optionally, the clamping mechanism comprises a U-shaped seat, a partition plate extending along the length direction is arranged in the middle of the U-shaped seat, the partition plate divides the U-shaped seat into two clamping grooves, at least one clamping plate is arranged in each clamping groove along the length direction of the clamping groove, one side of each clamping plate, which is far away from the partition plate, is connected with a second guide rod, the second guide rods slidably penetrate through the side walls of the U-shaped seat, and a second pull ring is arranged at one end, which is far away from the clamping plates, of each second guide rod, which extends out of the U-shaped seat; a second spring is arranged between the clamping plate and the U-shaped seat and sleeved on the second guide rod.

Optionally, one side of the clamping plate close to the partition plate is provided with a second arc-shaped groove.

Optionally, two clamping plates are arranged inside each clamping groove, and the clamping plates are arranged at the end positions close to the clamping grooves.

The utility model has at least the following advantages and beneficial effects: according to the clamping mechanism, the gear is arranged on the connecting column at the bottom of the clamping mechanism, the rack is arranged on one side of the gear, and the rack is always meshed with the gear under the action of the first spring in the using process of the fixer, so that the clamping mechanism cannot rotate in the using process, the stability of a pipeline is guaranteed, the reliability is improved, and when the clamping mechanism is adjusted before being used, the clamping mechanism can be rotationally adjusted only by pulling the first pull ring to separate the rack from the gear, and the operation is simple and convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an arteriovenous proximal end fixator of a hemodialysis line according to the present invention;

FIG. 2 is a partial view taken from the direction A of FIG. 1;

icon: 1-fixing mechanism, 101-bottom plate, 102-fixing clamp block, 102 a-first arc-shaped groove, 103-movable clamp block, 104-second support block, 105-adjusting rod, 106-knob, 2-clamping mechanism, 201-U-shaped seat, 202-clapboard, 203-clamping plate, 203 a-second arc-shaped groove, 204-second guide rod, 205-second pull ring, 206-second spring, 3-connecting column, 4-gear, 5-first support block, 6-first guide rod, 7-rack, 8-first pull ring and 9-first spring.

Detailed Description

As shown in fig. 1-2, an arteriovenous proximal fixator for hemodialysis comprises a fixing mechanism 1 for fixing the fixator on a hospital bed and a clamping mechanism 2 for clamping a tube.

The bottom of fixture 2 is equipped with spliced pole 3, spliced pole 3 rotates with fixed establishment 1 to be connected, be equipped with gear 4 on the spliced pole 3, one side of gear 4 is equipped with first supporting block 5, first supporting block 5 and fixed establishment 1's top fixed connection, first guide arm 6 is worn to be equipped with on the first supporting block 5 slidable, the one end of first guide arm 6 is equipped with can with gear 4 meshed rack 7, the other end of first guide arm 6 is equipped with first pull ring 8, the cover is equipped with first spring 9 between rack 7 and the first supporting block 5, and first spring 9 suit is on first guide arm 6.

It is worth to say that, the gear 4 is arranged on the connecting column 3 at the bottom of the clamping mechanism 2, the rack 7 is arranged on one side of the gear 4, and the rack 7 is always meshed with the gear 4 under the action of the first spring 9 in the process of using the fixer, so that the clamping mechanism 2 cannot rotate in the using process, the stability of a pipeline is ensured, the reliability is improved, and when the clamping mechanism 2 is adjusted before being used, the clamping mechanism 2 can be adjusted in a rotating mode only by pulling the first pull ring 8 to separate the rack 7 from the gear 4, and the operation is simple and convenient.

Fixed establishment 1 includes bottom plate 101, the top and the spliced pole 3 of bottom plate 101 rotate to be connected, specifically, bottom plate 101 is connected through planar bearing with spliced pole 3, the bottom of bottom plate 101 is equipped with fixed clamp splice 102 and movable clamp splice 103, fixed clamp splice and bottom plate 101 fixed connection, movable clamp splice 103 and bottom plate 101 sliding connection, one side that fixed clamp splice 102 was kept away from to movable clamp splice 103 is equipped with second supporting shoe 104, second supporting shoe 104 and bottom plate 101 fixed connection, there is regulation pole 105 through threaded connection on the second supporting shoe 104, the one end of adjusting pole 105 rotates with movable clamp splice 103 to be connected, the other end of adjusting pole 105 is equipped with knob 106.

Specifically, a bearing is arranged at the joint of the adjusting rod 105 and the movable clamping block 103, so that the adjusting rod 105 can rotate smoothly, and the movable clamping block 103 cannot rotate circumferentially around the adjusting rod 105 due to the sliding connection between the movable clamping block 103 and the bottom plate 101, so that the movable clamping block 103 can be driven to approach or be far away from the fixed clamping block 102 when the adjusting rod 105 is screwed; the clamping surfaces of the fixed clamping block 102 and the movable clamping block 103 are provided with first arc-shaped grooves 102a, so that the fixator can be clamped on a guardrail of a hospital bed conveniently in use.

Fixture 2 includes U type seat 201, the bottom of U type seat 201 and the top fixed connection of spliced pole 3, the middle part of U type seat 201 is equipped with the baffle 202 that extends along length direction, baffle 202 separates into two double-layered grooves with U type seat 201, the inside in double-layered groove is equipped with at least one splint 203 along the length direction who presss from both sides the groove, the inside in every double-layered groove is equipped with two splint 203 in this embodiment, and splint 203 sets up in the tip position department that is close to the double-layered groove, can fix the pipeline that is in the double-layered groove better, guarantee the fixed reliability of pipeline.

One side of the clamping plate 203, which is far away from the partition plate 202, is connected with a second guide rod 204, the second guide rod 204 slidably penetrates through the side wall of the U-shaped seat 201, and a second pull ring 205 is arranged at one end of the second guide rod 204, which is far away from the clamping plate 203, and extends out of the U-shaped seat 201; a second spring 206 is arranged between the clamping plate 203 and the U-shaped seat 201, and the second spring 206 is sleeved on the second guide rod 204; it should be noted that the second spring 206 can provide a certain pressing force to keep the tube fixed and prevent the tube from being displaced to cause the needle to fall off, the second pull ring 205 is pulled to compress the second spring 206 to put in or take out the tube, and the second pull ring 205 is released to extend the spring to press the tube.

One side of the clamping plate 203 close to the partition plate 202 is provided with a second arc-shaped groove 203a, so that the clamping plate can adapt to pipelines with different diameters, and the universality of the equipment is improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hemodialysis pipeline artery and vein proximal cardiac end fixer, includes fixed establishment (1) that is used for fixing the fixer on the sick bed and fixture (2) that are used for the centre gripping pipeline, its characterized in that: the bottom of fixture (2) is equipped with spliced pole (3), spliced pole (3) are rotated with fixed establishment (1) and are connected, be equipped with gear (4) on spliced pole (3), one side of gear (4) is equipped with first supporting block (5), the top fixed connection of first supporting block (5) and fixed establishment (1), wear to be equipped with first guide arm (6) on first supporting block (5) slidable, the one end of first guide arm (6) be equipped with can with gear (4) meshed rack (7), the other end of first guide arm (6) is equipped with first pull ring (8), the cover is equipped with first spring (9) between rack (7) and first supporting block (5), and first spring (9) suit is on first guide arm (6).

2. The hemodialysis line arteriovenous proximal anchor of claim 1, wherein: fixed establishment (1) includes bottom plate (101), the top of bottom plate (101) with spliced pole (3) rotate to be connected, the bottom of bottom plate (101) is equipped with fixed clamp splice (102) and activity clamp splice (103), solid clamp splice and bottom plate (101) fixed connection, activity clamp splice (103) and bottom plate (101) sliding connection, one side that fixed clamp splice (102) was kept away from in activity clamp splice (103) is equipped with second supporting shoe (104), there is regulation pole (105) through threaded connection on second supporting shoe (104), the one end of adjusting pole (105) rotates with activity clamp splice (103) to be connected, the other end of adjusting pole (105) is equipped with knob (106).

3. The hemodialysis line arteriovenous proximal anchor of claim 2 wherein: the clamping surfaces of the fixed clamping block (102) and the movable clamping block (103) are provided with first arc-shaped grooves (102 a).

4. The hemodialysis line arteriovenous proximal anchor of claim 2 wherein: the bottom plate (101) is connected with the connecting column (3) through a plane bearing.

5. The hemodialysis line arteriovenous proximal anchor of claim 1, wherein: the clamping mechanism (2) comprises a U-shaped seat (201), a partition plate (202) extending along the length direction is arranged in the middle of the U-shaped seat (201), the U-shaped seat (201) is divided into two clamping grooves by the partition plate (202), at least one clamping plate (203) is arranged in each clamping groove along the length direction of the clamping groove, one side, away from the partition plate (202), of each clamping plate (203) is connected with a second guide rod (204), the second guide rods (204) slidably penetrate through the side wall of the U-shaped seat (201), and a second pull ring (205) is arranged at one end, away from the clamping plate (203), of each second guide rod (204) extends out of the U-shaped seat (201); a second spring (206) is arranged between the clamping plate (203) and the U-shaped seat (201), and the second spring (206) is sleeved on the second guide rod (204).

6. The hemodialysis line arteriovenous proximal anchor of claim 5 wherein: one side of the clamping plate (203) close to the partition plate (202) is provided with a second arc-shaped groove (203 a).

7. The hemodialysis line arteriovenous proximal anchor of claim 5 wherein: two clamping plates (203) are arranged inside each clamping groove, and the clamping plates (203) are arranged at the positions close to the end parts of the clamping grooves.