CN214911408U

CN214911408U - Hemodialysis limiting and fixing device

Info

Publication number: CN214911408U
Application number: CN202120018960.6U
Authority: CN
Inventors: 江蕴; 刘宁徽; 熊俊秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-11-30
Anticipated expiration: 2031-01-06

Abstract

The utility model discloses a spacing fixing device of hemodialysis, the device comprises a device body, the device body includes the articulated movable top cap that sets up in fixing base and fixing base top, the protruding block groove has been seted up downwards to the front side central authorities department of fixing base, the downward an organic whole of front side central authorities department of activity top cap is connected with the lug, the inside left and right sides of device body all is provided with a stop device, support piece and the first locating part that the even activity set up in fixing base and the movable top cap of the bottom mounting of the left and right sides in the first stop device included the fixing base. The utility model discloses a set up first stop device and second stop device in this internal, set up the first locating part of support piece and activity among the first stop device, carry out spacing fixed to patient's arm, set up the second locating part of activity among the second stop device, carry out spacing fixed to defeated blood vessel, avoid when the arm motion or drag and touch defeated blood vessel, make the syringe needle not hard up emergence skew easily.

Description

Hemodialysis limiting and fixing device

Technical Field

The utility model relates to a medical treatment technical field specifically is a spacing fixing device of hemodialysis.

Background

Hemodialysis (HD) is one of the alternative treatments for the kidney of patients with acute and chronic renal failure. The method comprises the steps of draining blood in vivo to the outside of the body, enabling the blood and electrolyte solution (dialysate) with similar body concentration to be inside and outside one hollow fiber through a dialyzer consisting of a plurality of hollow fibers, and carrying out substance exchange through dispersion, ultrafiltration, adsorption and convection principles, so as to remove metabolic waste in the body and maintain the balance of electrolyte and acid and alkali; at the same time, the excess water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis.

In the hemodialysis process, a needle is inserted into a blood vessel of a patient, the blood transfusion tube is usually fixed with an arm only by sticking the blood transfusion tube with an adhesive tape, the stability is low, and when the arm moves or pulls and touches the blood transfusion tube, the needle is easy to loosen and shift, so that the dialysis is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spacing fixing device of hemodialysis to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a spacing fixing device of hemodialysis, includes the device body, the device body includes the articulated movable top cap that sets up in fixing base and fixing base top, the protruding block groove has been seted up downwards to the front side central authorities department of fixing base, the downward integrative lug that is connected with of front side central authorities department of movable top cap, the inside left and right sides of device body all is provided with first stop device, support piece and the first locating part that the even activity set up in fixing base and the movable top cap that the bottom mounting of the left and right sides set up in first stop device includes the fixing base, the front side below of device body is provided with two second stop device between two first stop device, the second stop device includes the downward low groove of seting up of the both sides about the protruding block inslot and the second locating part that the lug below corresponds position department activity and sets up with the low groove.

As a further aspect of the present invention: the device body is characterized in that the section of the inner side of the device body is circular, the movable end of the movable top cover is movably clamped with the upper part of the fixed seat, and the lower center of the bump is fixedly connected with a protruding strip outwards.

As a further aspect of the present invention: the bottom of the left and right sides all upwards vertical fixedly connected with fixed column in the fixing base, the top fixedly connected with support piece of fixed column, both sides and activity top cap top central authorities department all inwards are connected with first locating part through the spring with support piece corresponding position department around the fixing base, correspond all set up threaded hole on the fixing base of position department and the activity top cap with the spring, screw hole female connection has first screw thread post, the inner of first screw thread post is located corresponding spring inside and to corresponding first locating part extension, and the outer end stretches out the first regulation handle of screw hole and fixedly connected with.

As a further aspect of the present invention: the upper groove is upwards formed in the position, corresponding to the lower groove, of the bottom of the protruding block, the adjusting groove is upwards formed in the rear side of the upper groove, a second threaded column is vertically and movably arranged in the adjusting groove, a sliding groove is upwards formed in the position, corresponding to the second threaded column, of the top end of the adjusting groove, the top end of the second threaded column stretches into the sliding groove, the bottom end of the second threaded column is fixedly connected with the center of the top end of a second limiting part, a first gear is in threaded connection with the second threaded column above the adjusting groove, a second gear is vertically meshed and connected to the lower portion of the front side of the first gear, the second gear is fixedly connected to a rotating shaft which is horizontally and longitudinally arranged, and a protruding block and a second adjusting handle are fixedly connected to the front end of the rotating shaft.

As a further aspect of the present invention: the first sliding rail is vertically laid at the position corresponding to the second limiting part on the inner walls of the left side and the right side of the adjusting groove, and a matched first pulley is fixedly arranged at the position corresponding to the first sliding rail at the center of the left side and the right side of the second limiting part.

As a further aspect of the present invention: and a second sliding rail is annularly laid at the position of the top wall in the adjusting groove corresponding to the first gear, and second pulleys are fixedly mounted at the positions of the left side and the right side of the top end of the first gear corresponding to the second sliding rail.

As a further aspect of the present invention: the anti-skidding lines are arranged on the outer walls of the circumferences of the first adjusting handle and the second adjusting handle in the first limiting device and the second limiting device, and the supporting piece, the first limiting piece and the second limiting piece are arc-shaped plates.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up first stop device and second stop device in this internal, set up the first locating part of support piece and activity among the first stop device, carry out spacing fixed to patient's arm, set up the second locating part of activity among the second stop device on the low groove, carry out spacing fixed to blood transfusion tube, avoid when the arm motion or drag touch blood transfusion tube, make the not hard up emergence skew of syringe needle easily, influence going on of dialysis.

Drawings

Fig. 1 is a schematic structural view of a hemodialysis limiting fixing device.

Fig. 2 is a sectional view of the section B-B in fig. 1.

Fig. 3 is an enlarged schematic view of the structure of the region a in fig. 1.

Fig. 4 is a schematic view of the internal structure of an adjusting groove in the hemodialysis restriction fixing device.

In the figure: the device comprises a fixed seat 1, a movable top cover 2, a convex block groove 3, a convex block 4, a fixed column 5, a supporting piece 6, a spring 7, a first limiting piece 8, a first threaded column 9, a first adjusting handle 10, a lower groove 11, an adjusting groove 12, an upper groove 13, a second threaded column 14, a sliding groove 15, a first sliding rail 16, a first pulley 17, a second limiting piece 18, a first gear 19, a second gear 20, a rotating shaft 21, a second adjusting handle 22, a second sliding rail 23, a second pulley 24 and a convex strip 25.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a hemodialysis limiting and fixing device comprises a device body, the device body comprises a fixed seat 1 and a movable top cover 2 hinged to the top of the fixed seat 1, the arm of a patient is positioned in the fixed seat 1, a convex block groove 3 is downwards arranged at the center of the front side of the fixed seat 1, the convex block 4 is downwards and integrally connected to the center of the front side of the movable top cover 2, blood transfusion vessels for bleeding and blood inflow are positioned at the left side and the right side of the joint of the convex block 4 and the convex block groove 3, first limiting devices are respectively arranged at the left side and the right side in the device body to limit and fix the fixed seat 1 and the arm of the patient, each first limiting device comprises a support member 6 fixedly arranged at the bottom end of the left side and the right side in the fixed seat 1 and a first limiting member 8 uniformly and movably arranged in the fixed seat 1 and the movable top cover 2, two second limiting devices are arranged below the front side of the device body and positioned between the two first limiting devices, the blood transfusion tube is limited and fixed, and the second limiting device comprises a lower groove 11 which is arranged downwards at the left side and the right side in the convex block groove 3 and a second limiting part 18 which is movably arranged at the position below the convex block 4 corresponding to the lower groove 11.

The inside cross-section of device body sets up to circular, and the activity end of activity top cap 2 and the top activity joint of fixing base 1, the outside fixedly connected with protruding strip 25 of below central authorities department of lug 4.

The bottom ends of the left side and the right side in the fixed seat 1 are vertically and fixedly connected with fixed columns 5 upwards, the top ends of the fixed columns 5 are fixedly connected with supporting pieces 6, the front side and the rear side of the fixed seat 1 and the center of the top end of the movable top cover 2 are internally connected with first limiting pieces 8 through springs 7, the fixed seat 1 and the movable top cover 2 at the positions corresponding to the springs 7 are both provided with threaded holes, the threaded holes are internally connected with first threaded columns 9, the inner ends of the first threaded columns 9 are positioned inside the corresponding springs 7 and extend towards the corresponding first limiting parts 8, the outer ends extend out of the threaded holes and are fixedly connected with first adjusting handles 10, the arms of the patient are positioned on the supporting part 6, the first threaded column 9 can be driven to rotate inwards and move by rotating the first adjusting handle 10, the corresponding first limiting part 8 is pushed inwards, the spring 7 is stretched, and the first limiting part 8 is matched with the supporting part 6 to limit and fix the fixed seat 1 and the arm of the patient.

An upper groove 13 is upwards arranged at the position corresponding to the lower groove 11 at the bottom of the convex block 4, the blood conveying pipe is positioned between the lower groove 11 and the upper groove 13, an adjusting groove 12 is upwards arranged at the rear side of the upper groove 13, a second threaded column 14 is vertically and movably arranged in the adjusting groove 12, a sliding groove 15 is upwards arranged at the position corresponding to the second threaded column 14 at the top end of the adjusting groove 12, the top end of the second threaded column 14 extends into the sliding groove 15, the bottom end of the second threaded column 14 is fixedly connected with the center of the top end of a second limiting part 18, a first gear 19 is in threaded connection with the second threaded column 14 at the upper part in the adjusting groove 12, a second gear 20 is vertically engaged and connected with the lower part of the front side of the first gear 19, a sliding hole is arranged in the convex block 4 at the front side of the second gear 20, a rotating shaft 21 is connected with a horizontal longitudinal bearing in the sliding hole, the rear end of the rotating shaft 21 extends into the adjusting groove 12 to be fixedly connected with the second gear 20, a second adjusting handle 22 is extended out of the front end of the rotating shaft 21, by rotating the second adjusting handle 22, the rotating shaft 21 drives the second gear 20 to rotate, so as to drive the first gear 19 to rotate, and the second threaded column 14 moves downwards, so as to drive the second limiting member 18 to move downwards to limit and fix the blood transfusion tube.

A first slide rail 16 is vertically laid on the inner walls of the left and right sides of the adjusting groove 12 and the upper groove 13 at a position corresponding to the second limiting piece 18, a first pulley 17 matched with the center of the left and right sides of the second limiting piece 18 is fixedly arranged at a position corresponding to the first slide rail 16, and the second limiting piece 18 is limited and fixed in the horizontal direction to avoid rotation along with the rotation of the second threaded column 14.

A second sliding rail 23 is annularly laid at a position of the inner top wall of the adjusting groove 12 corresponding to the first gear 19, and second pulleys 24 are fixedly mounted at positions of the left side and the right side of the top end of the first gear 19 corresponding to the second sliding rail 23 to limit the first gear 19.

The first adjusting handle 10 and the second adjusting handle 22 of the first limiting device and the second limiting device are provided with anti-slip lines on the outer circumferential walls, the supporting piece 6, the first limiting piece 8 and the second limiting piece 18 are arc-shaped plates, and rubber pads are arranged on the surfaces of the supporting piece 6, the first limiting piece 8 and the second limiting piece 18 to enhance friction force.

The utility model discloses a theory of operation is: the movable top cover 2 is opened, the arm of the patient is placed on the two supporting pieces 6 in the fixed seat 1, the blood transfusion vessels for blood inflow and bleeding are respectively placed in the two lower grooves 11 of the convex block groove 3, the movable top cover 2 is closed, the first adjusting handle 10 is rotated to drive the first threaded post 9 to rotate and move inwards, the corresponding first limiting piece 8 is pushed inwards, the spring 7 is stretched, the first limiting piece 8 is matched with the supporting piece 6 to limit and fix the fixed seat 1 and the arm of the patient, then, the second adjusting handle 22 is rotated, the second gear 20 is rotated by the rotating shaft 21, and the first gear 19 is rotated, therefore, the second threaded column 14 moves downwards, the second limiting part 18 is driven to move downwards to limit and fix the blood transfusion tube, and the phenomenon that when an arm moves or is dragged to touch the blood transfusion tube, the needle head is easy to loosen and shift, and dialysis is affected is avoided.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a spacing fixing device of hemodialysis, includes the device body, its characterized in that, the device body includes the articulated movable top cap (2) that sets up in fixing base (1) and fixing base (1) top, the front side central authorities department of fixing base (1) has seted up lug groove (3) downwards, the downward body coupling in front side central authorities department of movable top cap (2) has lug (4), the inside left and right sides of device body all is provided with first stop device, first stop device includes support piece (6) and fixing base (1) of the bottom mounting setting of the left and right sides in fixing base (1) and the first locating part (8) of even activity setting in movable top cap (2), be provided with two second stop device between two first stop device in the front side below of device body, second stop device includes that the left and right sides is seted up downwards in lug groove (3) sunken groove (11) and lug (4) below and low groove (11) ) A second limiting part (18) movably arranged at the corresponding position.

2. The hemodialysis limiting fixing device according to claim 1, wherein the inner side of the device body is circular in cross section, the movable end of the movable top cover (2) is movably clamped with the upper side of the fixing seat (1), and a protruding strip (25) is fixedly connected to the lower center of the protruding block (4) outwards.

3. The hemodialysis stop fixture device of claim 1, the bottom ends of the left side and the right side in the fixed seat (1) are vertically and fixedly connected with fixed columns (5) upwards, the top end of the fixed column (5) is fixedly connected with a supporting piece (6), the front side and the rear side of the fixed seat (1) and the center of the top end of the movable top cover (2) are both connected with a first limiting piece (8) inwards through springs (7) at positions corresponding to the supporting piece (6), threaded holes are respectively arranged on the fixed seat (1) and the movable top cover (2) at the positions corresponding to the springs (7), the utility model discloses a spring assembly, including threaded hole, screw hole internal thread connection has first screw thread post (9), the inner of first screw thread post (9) is located corresponding spring (7) inside and to corresponding first locating part (8) extension, and the outer end stretches out the first regulation handle (10) of screw hole and fixedly connected with.

4. The hemodialysis limiting and fixing device according to claim 1, wherein an upper groove (13) is upwardly formed at a position corresponding to the lower groove (11) at the bottom of the protrusion (4), an adjusting groove (12) is upwardly formed at the rear side of the upper groove (13), a second threaded column (14) is vertically movably arranged in the adjusting groove (12), a sliding groove (15) is upwardly formed at a position corresponding to the second threaded column (14) at the top end of the adjusting groove (12), the top end of the second threaded column (14) extends into the sliding groove (15), the bottom end of the second threaded column is fixedly connected with the center of the top end of the second limiting member (18), a first gear (19) is connected to the second threaded column (14) at the upper part in the adjusting groove (12) in a threaded manner, a second gear (20) is vertically engaged and connected to the lower part of the front side of the first gear (19), and the second gear (20) is fixedly connected to a rotating shaft (21) which is horizontally and longitudinally arranged, the front end of the rotating shaft (21) extends out of the lug (4) and is fixedly connected with a second adjusting handle (22).

5. The hemodialysis limiting and fixing device according to claim 4, wherein a first sliding rail (16) is vertically laid on the inner walls of the left and right sides of the adjusting tank (12) at a position corresponding to the second limiting member (18), and a first pulley (17) is fixedly mounted at the center of the left and right sides of the second limiting member (18) at a position corresponding to the first sliding rail (16).

6. A hemodialysis limiting fixing device according to claim 4, wherein a second sliding rail (23) is annularly laid on the inner top wall of the adjusting groove (12) at a position corresponding to the first gear (19), and second pulleys (24) are fixedly mounted on the left and right sides of the top end of the first gear (19) at positions corresponding to the second sliding rail (23).

7. The hemodialysis limiting fixing device according to claim 1, wherein the first and second limiting devices each have an anti-slip thread on the outer circumferential wall of the first and second adjusting handles (10, 22), and the supporting member (6), the first limiting member (8), and the second limiting member (18) are all arc-shaped plates.