CN211512855U

CN211512855U - Special pipe clamp for hemodialysis tube and hemodialysis tube with special pipe clamp

Info

Publication number: CN211512855U
Application number: CN201921623573.4U
Authority: CN
Inventors: 张丽丽
Original assignee: Fuzhou Chang Gung Biological Technology Co ltd
Current assignee: Fuzhou Chang Gung Biological Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-09-18
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to a special pipe clamp for a hemodialysis tube, which comprises an upper blade and a lower blade which are mutually clamped and have an L-shaped structure; the inner side surfaces of the long sides of the upper blade and the lower blade are respectively provided with a clamp which protrudes inwards relatively, and the two clamps which are arranged oppositely form surface contact type clamping on the blood path tube; through holes for the blood pipeline to pass through are formed in the planes of the short sides of the upper blade and the lower blade; the end part of the long side of the upper blade extending towards the short side of the lower blade is provided with a first clamping block protruding away from the clamp, and the first clamping block penetrates through the through hole of the lower blade and then is clamped on the outer side surface of the short side; the end part of the long edge of the lower blade extending towards the short edge of the upper blade is provided with a second clamping block protruding away from the clamp, and the second clamping block penetrates through the through hole of the upper blade and then is clamped on the outer side surface of the short edge.

Description

Special pipe clamp for hemodialysis tube and hemodialysis tube with special pipe clamp

Technical Field

The utility model relates to a special pipe clamp of hemodialysis pipe and have hemodialysis pipe of special pipe clamp belongs to medical auxiliary instrument technical field.

Background

Hemodialysis is a common treatment method for treating patients with acute and chronic renal failure, and the method is to lead the blood of the patients out of the body by connecting an arteriovenous puncture needle or a central venous catheter with a blood path pipe, remove metabolic wastes in the body by dialysis of a hemodialyzer and then return the blood to the bodies of the patients.

Hemodialysis pipes are usually disposable pipes, including arterial blood pipes before the pump (including 2 infusion connectors), pump pipes, venous blood pipes after the pump (including a venous degassing kettle), and accessory parts (including a blood pipe clamp before the pump, a blood pipe clamp after the pump, infusion connector clamps at all ends, and infusion connectors at all ends); wherein, the existing blood vessel clamp before the pump and the blood vessel clamp after the pump; when hemodialysis is performed, a doctor firstly establishes a blood vessel access of a patient, then connects a pre-filled dialyzer and a disposable blood vessel to the blood vessel access of the patient, establishes extracorporeal circulation and starts hemodialysis treatment.

The hemodialysis tube described above has drawbacks: 1. the existing blood vessel clamp before the pump and the blood vessel clamp after the pump have poor clamping and hemostasis effects on the blood vessel with thicker tube wall; 2. when the hemodialysis tube is produced, each infusion joint or pipeline joint needs to be provided with an end cover which meets different pipeline diameters, and the operation is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a special pipe clamp of hemodialysis pipe and have hemodialysis pipe of pipe clamp utilizes the face contact to press from both sides tight blood way pipe in the pipe clamp among this hemodialysis pipe, and then has improved the effect that prevents to lead to the blood, can be applicable to the blood way pipe of any wall thickness, and the end cover of the infusion end of this hemodialysis pipe just realizes when production with end integrated into one piece simultaneously, need not to set up not unidimensional end cover in addition, production convenient to use.

A special pipe clamp for a hemodialysis pipe comprises an upper blade and a lower blade which are mutually clamped and are in an L-shaped structure; the inner side surfaces of the long sides of the upper blade and the lower blade are respectively provided with a clamp which protrudes inwards relatively, and the two clamps which are arranged oppositely form surface contact type clamping for the blood supply path pipe and the infusion pipe; the plane of the short sides of the upper blade and the lower blade is provided with a through hole for the blood pipeline or the infusion tube to pass through; the long side of the upper blade extends towards the short side of the lower blade and penetrates through the first end part of the through hole to be provided with a first clamping block protruding towards the clamp, and the first clamping block is clamped on the outer side surface of the short side of the lower blade; the second end that the long limit of lower blade extended and wore through the through-hole towards the minor face direction of upper blade is provided with the outstanding second block piece of anchor clamps dorsad, and the block of second block piece is on the lateral surface of upper blade minor face.

Further, the cross sections of the first clamping block and the second clamping block are right-angled triangles or right-angled trapezoids.

Furthermore, one side, close to each other, of each of the two oppositely arranged clamps is a clamping plane with sawteeth.

The utility model provides a hemodialysis pipe, is including the blood way pipe of connecting dialysis appearance and human vein, set up vein degasification kettle on supplying blood way pipe and the transfer line of being connected with vein degasification kettle, its characterized in that: the blood supply pipe and the infusion tube are provided with special pipe clamps for hemodialysis pipes.

Furthermore, the ends of the blood supply pipeline and the infusion pipeline are provided with joints which are sealed by end covers which are integrally formed and can be disassembled; the end cap includes an end cap side wall and an end cap top wall; the connecting part of the side wall of the end cover and the side wall of the joint is provided with a fracture-type tearing opening which is distributed along the circumferential direction, and two side edges of the tearing opening are respectively connected with the bottom of the side wall of the end cover and the upper part of the side wall of the joint through connecting bridges.

Furthermore, a plunger inserted into the interior of the joint during sealing is arranged in the end cover and connected with the inner side of the top wall of the end cover.

Furthermore, a bulge convenient to tear is arranged on the outer side of the starting end of the tearing opening.

The utility model discloses following beneficial effect has:

1. the utility model provides a special pipe clamp for hemodialysis pipe, utilize the whole plane of anchor clamps to realize the clamp of blood supply road pipe, change the point contact type clamping mode among the prior art into the clamping mode of face contact type, be applicable to blood supply road pipe and transfer line of various wall thicknesses more; meanwhile, the sawteeth are arranged on the horizontal clamping surfaces of the two oppositely arranged clamps, so that the effect of preventing the blood from flowing through the pipe clamp is improved.

2. The utility model discloses well supply blood way pipe and transfer line's end cover combines with relative end through integrated into one piece's mode, through the connecting bridge that sets up plastics, will tear mouthful and end cover lateral wall and connect the lateral wall to be connected, only need tear during the use and tear the outer protrusion of mouthful, can tear and tear the mouth, separate end cover and joint, the process that need produce the not end cover of equidimension according to the size diameter of different pipelines when just having saved production hemodialysis pipe of such setting, easy operation, it is convenient.

Drawings

FIG. 1 is a schematic structural view of the upper blade of the tube clamp special for the hemodialysis tube of the present invention;

FIG. 2 is a front view of the special tube clamp for hemodialysis tube of the present invention;

FIG. 3 is a schematic view showing the use of the special tube clamp for hemodialysis tube of the present invention;

FIG. 4 is a schematic structural view of a hemodialysis tube according to the present invention;

FIG. 5 is a schematic structural view of an end cap of a hemodialysis tube according to the present invention;

fig. 6 is a schematic structural view of the connection between the middle joint and the end cover of the present invention.

The reference numbers in the figures denote:

1. an upper blade; 11. a first end portion; 12. a first engaging block; 2. a lower blade; 21. a second end portion; 22. a second engaging block; 3. a clamp; 31. a clamping plane; 4. a blood supply line tube; 5. a through hole; 6. a venous degassing kettle; 7. a transfusion tube; 8. a joint; 9. an end cap; 91. an end cap sidewall; 92. an end cap top wall; 93. a plunger; 10. tearing the opening; 101. a connecting bridge; 102. a protrusion; 103. a pipe clamp.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 6, a special tube clamp for hemodialysis tube comprises an upper blade 1 and a lower blade 2 which are mutually clamped and have an "L" shape; the inner side surfaces of the long sides of the upper blade 1 and the lower blade 2 are respectively provided with a clamp 3 which protrudes inwards relatively, and the two clamps 3 which are arranged oppositely form surface contact type clamping for a blood supply pipeline 4 or an infusion tube 7; a through hole 5 for a blood supply pipe 4 or an infusion tube 7 to pass through is formed in the plane of the short sides of the upper blade 1 and the lower blade 2, after the blood supply pipe 4 passes through the through hole 5 of the upper blade 1 and the lower blade 2 in sequence, the blood supply pipe 4 or the infusion tube 7 in a clamping space formed by the upper blade 1 and the lower blade 2 in a surrounding manner is clamped by the two oppositely arranged clamps 3; a first clamping block 12 protruding from the clamp 3 is arranged on a first end part 11 of the upper blade 1, the long side of which extends towards the short side of the lower blade 2 and penetrates out of the through hole 5, and the first clamping block 12 is clamped on the outer side surface of the short side of the lower blade 2; the second end part 21 of the lower blade 2, which has the long side extending towards the short side of the upper blade and penetrates through the through hole 5, is provided with a second clamping block 22 protruding away from the clamp 3, the second clamping block 22 is clamped on the outer side surface of the short side of the upper blade 1, and after the first clamping block 12 and the second clamping block 22 are respectively clamped with the lower blade 2 and the upper blade 1, the position of the pipe clamp 103 is fixed, so that the clamp 3 clamps the blood supply pipeline 4 or the infusion tube 7.

Further, the cross sections of the first engaging block 12 and the second engaging block 22 are right-angled triangles or right-angled trapezoids.

Furthermore, the surfaces, close to each other, of the two oppositely arranged clamps 3 are sawtooth-shaped clamping planes 31, and the sawtooth-shaped clamping planes 31 can better play a role in preventing blood circulation.

The utility model provides a hemodialysis pipe, is including the blood supply road pipe 4 of connecting dialysis appearance and human vein, set up vein degasification kettle 6 on blood supply road pipe 4 and the transfer line 7 of being connected with vein degasification kettle 6, its characterized in that: the blood supply pipeline 4 and the infusion tube 7 are both provided with a special tube clamp 103 for the hemodialysis tube.

Furthermore, the end heads of the blood supply tube 4 and the infusion tube 7 are provided with connectors 8, the connectors 8 are sealed by end covers 9 which are integrally formed and detachable, all the tubes are sealed before the blood supply tube 4 is used, and meanwhile, the end covers 9, the blood supply tube 4, the infusion tube 7 and the connectors 8 are all disposable products, and the end covers 9 are opened when the blood supply tube 4 is used; the end cap 9 includes an end cap side wall 91 and an end cap top wall 92; a fracture-type tearing opening 10 is formed in the connecting position of the end cover side wall 91 and the joint 8 side wall, the tearing openings 10 are distributed along the circumferential direction, and two side edges of each tearing opening 10 are respectively connected with the bottom of the end cover side wall 91 and the upper part of the joint 8 side wall through connecting bridges 101; the connecting bridge 101 is made of plastic, and has a torque and a torsional moment suitable for being twisted by a hand during use without damaging the sealing property.

Further, a plunger 93 inserted into the interior of the joint 8 when sealed is further provided inside the end cap 9, and the plunger 93 is connected to the inside of the top wall 92 of the end cap.

Further, a protrusion 102 for facilitating tearing is disposed outside the starting end of the tear opening 10.

The utility model discloses a theory of operation:

first, when the blood supply tube 4 is needed to be used, the protrusion 102 at the tear opening 10 is pulled, so that the connecting bridge 101 of the tear opening 10 is simultaneously separated from the side wall of the connector 8 and the end cover side wall 91, and the end cover 9 is detached.

Secondly, when the special pipe clamp 103 for the hemodialysis tube is used, the blood supply tube 4 firstly passes through the through hole 5 of the upper blade 1, then passes through the clamping space formed by the upper blade 1 and the lower blade 2, and is positioned between the two opposite clamping planes 31 of the clamp 3, finally the blood supply tube 4 passes through the through hole of the lower blade 2, the pipe clamp 103 is sleeved on the blood supply tube 4, when the blood supply tube 4 needs to be prevented from passing through the pipe clamp 103, the first end part 11 of the upper blade 1 passes through the through hole 5 of the lower blade 2, the first clamping block 12 is clamped on the outer side surface of the short side of the lower blade 2, meanwhile, the second end part 21 of the lower blade 2 passes through the through hole 5 of the upper blade 1, the second clamping block 22 is clamped on the outer side surface of the short side of the upper blade 1, the positions of the upper blade 1 and the lower blade 2 are further fixed, and the blood supply tube 4 is clamped.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a special pipe clamp of hemodialysis pipe which characterized in that: comprises an upper blade (1) and a lower blade (2) which are mutually clamped and have an L-shaped structure; the inner side surfaces of the long sides of the upper blade (1) and the lower blade (2) are respectively provided with a clamp (3) which protrudes inwards relatively, and the two clamps (3) which are arranged oppositely form surface contact type clamping for a blood supply path pipe (4) or an infusion pipe (7); the planes of the short sides of the upper blade (1) and the lower blade (2) are provided with through holes (5) for the blood pipeline (4) or the infusion tube (7) to pass through; a first clamping block (12) protruding back to the clamp (3) is arranged at a first end part (11) of the upper blade (1), wherein the long side of the upper blade extends towards the short side direction of the lower blade (2) and penetrates out of the through hole (5), and the first clamping block (12) is clamped on the outer side surface of the short side of the lower blade (2); the long edge of the lower blade (2) extends towards the short edge of the upper blade (1) and penetrates through the second end part (21) of the through hole (5), a second clamping block (22) protruding away from the clamp (3) is arranged, and the second clamping block (22) is clamped on the outer side face of the short edge of the upper blade (1).

2. The special tube clamp for hemodialysis tube of claim 1, wherein: the cross sections of the first clamping block (12) and the second clamping block (22) are right-angled triangles or right-angled trapezoids.

3. The special tube clamp for hemodialysis tube of claim 2, wherein: one surface of each of the two oppositely arranged clamps (3) close to each other is a clamping plane (31) with sawteeth.

4. The utility model provides a hemodialysis pipe, including blood supply road pipe (4) of connecting dialysis appearance and human vein, set up vein degasification kettle (6) on blood supply road pipe (4) and transfer line (7) of being connected with vein degasification kettle (6), its characterized in that: the blood supply tube (4) and the infusion tube (7) are provided with the tube clamp (103) for the hemodialysis tube according to claim 3.

5. A hemodialysis tube as set forth in claim 4, wherein: the end heads of the blood supply pipeline (4) and the infusion tube (7) are provided with joints (8), and the joints (8) are sealed by end covers (9) which are integrally formed and can be disassembled; the end cap (9) comprises an end cap side wall (91) and an end cap top wall (92); the connection part of the end cover side wall (91) and the joint (8) side wall is provided with a fracture type tearing opening (10), the tearing openings (10) are distributed along the circumferential direction, and two side edges of the tearing opening (10) are respectively connected with the bottom of the end cover side wall (91) and the upper part of the joint (8) side wall through a connecting bridge (101).

6. A hemodialysis tube as set forth in claim 5, wherein: the inner part of the end cover (9) is also provided with a plunger (93) which is inserted into the inner part of the joint (8) during sealing, and the plunger (93) is connected with the inner side of the top wall (92) of the end cover.

7. A hemodialysis tube as set forth in claim 5, wherein: and a bulge (102) convenient to tear is arranged outside the starting end of the tearing opening (10).