CN206443965U - Hemodialysis CVC - Google Patents

Abstract

The utility model discloses a kind of hemodialysis CVC, belong to medical instruments field, it is intended to medical personnel can be allowed simply and easily to operate liquid stopping clamp.Its drip irrigation device is：Fixed part is arranged with branch conduit, fixed part includes bottom plate, bottom plate is provided with only liquid block one towards one end of the side of branch conduit, the two lateral branch duct directions that bottom plate is located at branch conduit are extended with baffle plate, one end away from bottom plate is rotatably connected to rotating bar between baffle plate, only liquid plate is fixedly connected with rotating bar, only liquid plate is provided with the only liquid block two coordinated with only liquid block one, baffle plate side close to each other is equipped with the first groove, first groove is set close to only liquid block one, jumping bean spring is provided with first groove, the through hole ejected for the jumping bean of jumping bean spring is offered on first groove, only the both sides of liquid plate offer the stopper slot one coordinated with jumping bean.

Description

Hemodialysis CVC

Technical field

The utility model is related to medical instruments field, more particularly to a kind of hemodialysis CVC.

Background technology

Hemodialysis is one of haemodialysis and the vascular access of other blood purification therapies with CVC, and notification number is A kind of CN202365925U CVC, it is characterised in that：It is provided with the first conduit, the second conduit, connector, two-chamber Conduit, the first adapter, malleation infusion connector, the second adapter and guide wire apparatus；The connector is provided with the first chamber, second Chamber and converge chamber；The double channel catheter is provided with first passage and second channel, and the double channel catheter is fixedly installed on the remittance Close chamber；The malleation infusion connector is connected with the input of first adapter, the output end of first adapter and institute State the input connection of the first conduit, the output end of first conduit be arranged at first chamber and with the double channel catheter First passage is connected；The guide wire apparatus is arranged at the input of second adapter, the output end of second adapter It is connected with the input of second conduit, the output end of second conduit is arranged at second chamber and led with the two-chamber The second channel connection of pipe.

Above-mentioned this CVC, although can while carry out injecting liquid drug treatment, while be cut by laser, and It is provided with whether liquid stopping clamp needs conveying medicine to be controlled to conduit, but when entering whereabouts liquid to conduit, needs medical personnel The warping part of liquid stopping clamp is firmly pressed, the warping part of liquid stopping clamp is fastened in the projection of fixed part, medical personnel are at this moment needed Moment observes whether warping part fastens in projection and need firmly to press, and because liquid stopping clamp is smaller, medical personnel's operation During also can with sterile glove, if firmly pressing liquid stopping clamp, slip is likely occurred between liquid stopping clamp and sterile glove, is led Cause that warping part is more difficult fastens on fixed part, be likely to damage conduit during liquid stopping clamp is slided, in addition when opening only When liquid folder allows the conduit to lead to liquid, medical personnel are needed to haul fixed part on the other hand, pressing warping part, can depart from warping part on the other hand Fixed part, medical personnel's bimanualness is needed during this, and can bring unnecessary to medical personnel in surgical procedure Trouble, increases the operation burden of medical personnel, therefore how to allow medical personnel simply and easily to operate liquid stopping clamp to become urgency The problem of need to solving.

Utility model content

The purpose of this utility model is to provide a kind of hemodialysis CVC, and it can allow medical personnel simply and easily Operate liquid stopping clamp.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of hemodialysis is calm in using Fixed part is arranged with arteries and veins conduit, including branch conduit and double channel catheter, the branch conduit, the fixed part includes bottom plate, institute Bottom plate is stated towards one end of the side of branch conduit provided with only liquid block one, the bottom plate is located at two lateral branch duct directions of branch conduit It is extended with one end away from bottom plate between baffle plate, two baffle plates and is rotatably connected in rotating bar, the rotating bar fixed company Be connected to only liquid plate, the only liquid plate is provided with the only liquid block two coordinated with only liquid block one, two baffle plates it is close to each other one Side is equipped with the first groove, and first groove is set close to only liquid block one, and jumping bean spring is provided with first groove, described The through hole ejected for the jumping bean of jumping bean spring is offered on first groove, the only both sides of liquid plate are offered matches somebody with somebody with jumping bean The stopper slot one of conjunction, when the jumping bean is embedded into stopper slot, the only liquid block one coordinates with only liquid block two compresses branch conduit.

By such scheme, double channel catheter inserts central vein, and a wherein chamber for double channel catheter, as lumen of artery, is used for Blood is drawn, another chamber is as venous lumen, for, in patient body, branch conduit to be respectively communicated with arteriovenous by blood recovery after purification Chamber, fixed part is set on branch conduit, can be slided on branch conduit, and fixed part is provided with bottom plate, and provided with only liquid on bottom plate Block one, baffle plate is used to rotate connection rotary shaft, and rotary shaft stops liquid plate for support, and only liquid plate can be rotated on the rotating shaft, Only liquid plate is provided with the only liquid block two coordinated with only liquid block one, and the first groove is used to set jumping bean spring, and through hole is protruded for jumping bean Outside the first groove, so as to coordinate with the stopper slot one on only liquid plate, when needing to enter whereabouts liquid to branch conduit, medical personnel to The pressing of bottom plate direction stops one end that liquid plate is provided with stopper slot one, when only liquid plate is contacted with jumping bean, continues to press and stops liquid plate, at this moment Only liquid plate can be squeezed into jumping bean in the first groove, and when stopper slot one and jumping bean aligned in position, jumping bean loses extruding force, Contradicted and be embedded into stopper slot one by the elastic force of jumping bean spring, at this moment only the pushing with only liquid plate of liquid block one, under it The branch conduit of side is squeezed on only liquid block two, realizes the only liquid to branch conduit, when needing to turn on branch conduit, medical care people Member's pressing stops the one end of liquid plate away from stopper slot one, and at this moment the side wall of stopper slot one can extrude jumping bean, jumping bean is departed from limit Position groove one, then proceedes to pressing and stops liquid plate, just medical personnel's pressing can be only needed in whole process and is stopped with fully on branch conduit Liquid plate is that control to branch conduit can be achieved, and that compares is simple to operation, and only needs to medical personnel's one-handed performance and can be achieved, It is convenient to be provided for medical personnel.

Further, two baffle plates side close to each other and it is equipped with limit convex away from one end of the first groove Rise, the only liquid plate is provided with the stopper slot two coordinated with spacing preiection.

By such scheme, spacing preiection is arranged on side of the baffle plate away from the first groove, and is matched somebody with somebody with stopper slot two Close, when needing branch conduit to turn on, a lateral bottom plate direction of the only liquid plate away from only liquid block one is pressed, spacing preiection is embedded It is spacing to stopping the progress of liquid plate so that only liquid block one departs from branch conduit into stopper slot two, do not contradicted with branch conduit so that Branch conduit is in full opening of state, will not make only a pair conduits progress current limlitings of liquid block.

Further, the only side of the liquid plate away from branch conduit has upwardly extended press section, and the press section is to only liquid Plate direction offers deep-slotted chip breaker.

By such scheme, press section, provided with deep-slotted chip breaker, makes to allow medical personnel more easily to operate only liquid plate The two ends for obtaining press section are high, middle low, and medical personnel more easily can go pressing to stop liquid plate by press section, more convenient.

Further, the only liquid block one side relative with only liquid block two is equipped with semicolumn, the circle of the semicolumn Cambered surface is relative.

By such scheme, provided with semicolumn and make it that the arc surface of semicolumn is relative, so only liquid block one and only liquid block Two with branch conduit it is inconsistent be arc surface, when both are extruded branch conduit, its damage to branch conduit can be slowed down.

Further, side of the press section away from bottom plate is provided with non-slip texture.

By such scheme, non-slip texture is provided with side of the press section away from bottom plate, non-slip texture can improve medical care Frictional force between personnel's gloves and press section, is easy to the pressing press section that operating personnel are more stable.

Further, the branch conduit and double channel catheter are made by thermal sensitive polyurethane material.

By such scheme, branch conduit and double channel catheter are made by thermal sensitive polyurethane material, by thermal sensitive polyurethane material Expect that the branch conduit and double channel catheter that are made have good biocompatibility, can automatically soften under body temperature, can reduce to blood The damage of tube wall.

Further, the double channel catheter offers annular groove close to the side of branch conduit, and the double channel catheter is on annular groove It is arranged with suture wings.

By such scheme, suture wings are set on annular groove, and double channel catheter can be allowed to be rotated in suture wings, in order to adjust The direction of whole double channel catheter and branch conduit, allows medical personnel to operate more convenient, and can improve the comfort level of patient.

Further, one side of the double channel catheter away from branch conduit is provided with soft tip.

By such scheme, in one side of the double channel catheter away from branch conduit provided with soft tip, it is implanted into when double channel catheter During into central vein, soft tip can reduce the damage in implantation process to patient's blood vessel wall.

Further, the only one side of the liquid plate away from branch conduit is provided with switch mark.

By such scheme, switch mark is provided with only one side of the liquid plate away from branch conduit, medical personnel can be made simple Clear finds out which side is to enter whereabouts liquid to branch conduit, and which side is that branch conduit is turned on, so as to make medical personnel accurate Control of the realization to branch conduit.

In summary, the utility model has the advantages that：

1st, by stopping the cooperation of liquid plate and jumping bean spring, medical personnel can be allowed simply and easily to realize branch conduit is stopped Liquid；

2nd, by the cooperation of spacing preiection and stopper slot two, influence of the liquid stopping clamp a pile to conduit is reduced；

3rd, by the setting of press section, switch mark and non-slip texture, operating personnel can more easily control to stop Liquid plate；

4th, by the setting of suture wings, the steering of double channel catheter and branch conduit can be adjusted；

5th, by the setting at soft tip, it slow down damage of the double channel catheter to patient.

Brief description of the drawings

Fig. 1 is the structural representation that embodiment 1 is used to embody double channel catheter；

Fig. 2 is that embodiment 1 is used to embody the structural representation for stopping liquid plate；

Fig. 3 is the structural representation that embodiment 1 is used to embody semicolumn；

The enlarged drawing that Fig. 4 is A in Fig. 3；

Fig. 5 is the structural representation that embodiment 1 is used to embody jumping bean spring；

The enlarged drawing that Fig. 6 is B in Fig. 5；

Fig. 7 is the structural representation that embodiment 2 is used to embody spacing preiection；

The enlarged drawing that Fig. 8 is C in Fig. 7；

Fig. 9 is the structural representation that embodiment 3 is used to embody suture wings.

In figure, 1, double channel catheter；11st, branch conduit；2nd, fixed part；21st, bottom plate；211st, liquid block one is stopped；212nd, baffle plate； 2122nd, stopper slot one；2123rd, stopper slot two；3rd, rotating bar；31st, liquid plate is stopped；311st, liquid block two is stopped；312nd, switch mark；4th, One groove；41st, through hole；42nd, jumping bean spring；421st, jumping bean；5th, spacing preiection；6th, press section；61st, deep-slotted chip breaker；62nd, anti-slip veins Road；7th, semicolumn；8th, annular groove；81st, suture wings；9th, soft tip.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment 1：A kind of hemodialysis CVC, as shown in figure 1, including double channel catheter 1, double channel catheter 1 is used In being placed to central vein, using a wherein chamber for double channel catheter 1 as lumen of artery, for drawing blood, another chamber is used as vein Chamber, in patient body, blood recovery after purification to be provided with into soft sophisticated 9 in the front end of the implantation central vein of double channel catheter 1, When double channel catheter 1 is implanted to central vein, soft tip 9 can slow down the damage to patient's blood vessel wall, to slow down to disease The infringement of people.

Branch conduit 11 is communicated with side of the double channel catheter 1 away from soft tip 9, branch conduit 11 is respectively communicated with arteriovenous Chamber, for infusing.

Branch conduit 11 and double channel catheter 1 are made by thermal sensitive polyurethane material, the branch being made up of thermal sensitive polyurethane material Conduit 11 and double channel catheter 1 have good biocompatibility, can automatically soften under body temperature, can reduce the damage to vascular wall Wound, slows down the damage to patient.

As shown in Fig. 2 being arranged with fixed part 2 on branch conduit 11, fixed part 2 can be slided on branch conduit 11, fixed Portion 2 includes bottom plate 21, and the both sides for being located at branch conduit 11 in bottom plate 21 are provided with the baffle plate 212 extended to the direction of branch conduit 11, branch Conduit 11 is located between two baffle plates 212.

As shown in figure 3, rotating bar 3 is rotatably connected in side of the baffle plate 212 away from bottom plate 21, while in rotating bar 3 Only liquid plate 31 is fixedly installed, only liquid plate 31 can be rotated around rotating bar 3.

The side of bottom plate 21 is provided with only liquid block 2 311 in only liquid plate 31, while in bottom plate 21 and only liquid block 2 311 Corresponding position pushes the one end of only liquid plate 31 provided with only liquid block 2 311, only liquid block 2 311 can handle provided with only liquid block 1 Branch conduit 11 is expressed on only liquid block 1.

As shown in figure 4, in order to slow down only liquid block 1 and the only damage of 2 311 pairs of branch conduits 11 of liquid block, in only liquid block one 211 and only the relative side of liquid block 2 311 is fixedly connected with semicolumn 7, and make the arc surface of semicolumn 7 corresponding, so with What branch conduit 11 was contacted is exactly the arc surface of semicolumn 7, and smooth arc surface can slow down the damage to branch conduit 11.

The press section 6 for facilitating medical personnel's pressing to stop liquid plate 31 is provided with the only one end of liquid plate 31 away from bottom plate 21, simultaneously Deep-slotted chip breaker 61 is offered in side of the press section 6 away from only liquid plate 31, the two ends for so allowing for only liquid plate 31 are tilting states, Centre is etat lacunaire, and more convenient medical personnel go pressing to stop liquid plate 31.

In order to weaken the slip between medical personnel's gloves and press section 6, non-slip texture 62 is provided with press section 6, is increased Friction greatly between the two.

The more clear control of medical personnel stops liquid plate 31 for convenience simultaneously, and switch mark is provided with press section 6 312, the situation for reducing operating mistake occurs.

As it can be seen in figures 5 and 6, offering the first groove 4 in the relative one side of two baffle plates 212, the first groove 4 is arranged on Baffle plate 212 is provided with the spring 42 of jumping bean 421 close to the position of only liquid block 1 in the first groove 4, the spring 42 of jumping bean 421 be by V-arrangement flexure strip and jumping bean 421 are constituted, and jumping bean 421 is fixedly connected on the both sides of V-arrangement flexure strip, and elastic force is big and recovery capacity is stronger, Offered simultaneously two relative sides of the first groove 4 and protrude the through hole 41 outside the first groove 4 for jumping bean 421, do not had In the presence of external force, two jumping beans 421 are protruded outside baffle plate 212.

It is provided with the stopper slot 1 coordinated with jumping bean 421 close to the both sides of baffle plate 212 in only liquid plate 31 simultaneously so that jump When beans 421 are sticked into stopper slot 1, only liquid block 1 is pressed on branch conduit 11 on only liquid block 2 311, realizes and branch is led The only liquid of pipe 11.

Specific implementation is described as follows：When needing to enter whereabouts liquid to branch conduit 11, the pressing close to only liquid block 2 311 is pressed Portion 6, at this moment only liquid block 2 311 starts branch conduit 11 to be extruded to the only direction of liquid block 1, with the motion of press section 6, only liquid Plate 31 can be contacted with the jumping bean 421 of the spring 42 of jumping bean 421, continue press press section 6, at this moment only liquid plate 31 can jumping bean 421 to The direction of first groove 4 is extruded, and when the stopper slot 1 on only liquid plate 31 aligns with jumping bean 421, jumping bean 421 just loses only Liquid plate 31 is drive by the restoring force of the spring 42 of jumping bean 421 and is embedded in stopper slot 1 to its extruding force, at this moment only liquid Block 2 311 is closely squeezed in branch conduit 11 on only liquid block 1, realizes in the only liquid to branch conduit 11, whole process only Need to press press section 6, and the more convenient medical personnel pressing that press section 6 is set, only need to doctor in whole process in addition Shield personnel's one-handed performance is that can be achieved, and can conveniently control whether branch conduit 11 needs only liquid.

Embodiment 2：A kind of hemodialysis CVC, as different from Example 1, as shown in FIG. 7 and 8, at two The relative side of baffle plate 212 and away from through hole 41 side be provided with spacing preiection 5, spacing preiection 5 is set to semi-round ball, at the same Only liquid plate 31 is provided with the stopper slot 2 2123 coordinated with semi-round ball.

Embodiment is as follows：When needing to turn on branch conduit 11, press section 6 is pressed to the direction of spacing preiection 5, is made The one end of liquid plate 31 provided with stopper slot 2 2123 must be stopped to move to the direction of spacing preiection 5, when only liquid plate 31 is contradicted with semi-round ball, Continue to press press section 6, at this moment only liquid plate 31 can extrude spacing preiection 5 and baffle plate 212 laterally so that baffle plate 212 is sent out Raw certain deformation, when semi-round ball aligns with stopper slot 2 2123, semi-round ball just loses extruding force, and final semi-round ball is embedded In stopper slot 2 2123, at this moment only liquid block 2 311 departs from branch conduit 11 so that branch conduit 11 is in fully on state, It slow down the influence of only 2 311 pairs of branch conduits 11 of liquid block.

Embodiment 3：A kind of hemodialysis CVC, is with the difference of embodiment 2, as shown in figure 9, double Side of the cavities conduit pipe 1 away from soft tip 9 offers annular groove 8, while being arranged with suture wings 81 on annular groove 8, suture wings 81 can To be rotated on annular groove 8, the direction of double channel catheter 1 and branch conduit 11 can be adjusted by rotating double channel catheter 1 so that medical care Human users get up enhanced convenience, can improve the comfort level of patient by this adjustment in addition.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Claims (9)

1. a kind of hemodialysis CVC, including branch conduit（11）And double channel catheter（1）, it is characterized in that：The branch conduit （11）On be arranged with fixed part（2）, the fixed part（2）Include bottom plate（21）, the bottom plate（21）Towards branch conduit（11） Side one end provided with only liquid block one（211）, the bottom plate（21）Positioned at branch conduit（11）Two lateral branch conduits（11）Side To being extended with baffle plate（212）, two baffle plates（212）Between away from bottom plate（21）One end be rotatably connected to rotating bar（3）, The rotating bar（3）On be fixedly connected with only liquid plate（31）, the only liquid plate（31）It is provided with and only liquid block one（211）Coordinate Only liquid block two（311）, two baffle plates（212）Side close to each other is equipped with the first groove（4）, first groove （4）Close to only liquid block one（211）Set, first groove（4）It is interior to be provided with jumping bean（421）Spring（42）, first groove （4）On offer and supply jumping bean（421）Spring（42）Jumping bean（421）The through hole of ejection（41）, the only liquid plate（31）Two Side is offered and jumping bean（421）The stopper slot one of cooperation（2122）, when the jumping bean（421）It is embedded into stopper slot one（2122） When, the only liquid block one（211）With only liquid block two（311）Coordinate and compress branch conduit（11）.

2. hemodialysis CVC according to claim 1, it is characterized in that：Two baffle plates（212）Mutually lean on Near side and remote first groove（4）One end be equipped with spacing preiection（5）, the only liquid plate（31）It is provided with and limit convex Rise（5）The stopper slot two of cooperation（2123）.

3. hemodialysis CVC according to claim 1, it is characterized in that：The only liquid plate（31）Away from branch conduit （11）Side upwardly extended press section（6）, the press section（6）To only liquid plate（31）Direction offers deep-slotted chip breaker（61）.

4. hemodialysis CVC according to claim 1, it is characterized in that：The only liquid block one（211）With only liquid Block two（311）Relative side is equipped with semicolumn（7）, the semicolumn（7）Arc surface it is relative.

5. hemodialysis CVC according to claim 1, it is characterized in that：The press section（6）Away from bottom plate （21）Side be provided with non-slip texture（62）.

6. hemodialysis CVC according to claim 1, it is characterized in that：The branch conduit（11）And double channel catheter （1）It is made by thermal sensitive polyurethane material.

7. hemodialysis CVC according to claim 1, it is characterized in that：The double channel catheter（1）Led close to branch Pipe（11）Side offer annular groove（8）, the double channel catheter（1）In annular groove（8）On be arranged with suture wings（81）.

8. hemodialysis CVC according to claim 1, it is characterized in that：The double channel catheter（1）Led away from branch Pipe（11）One side provided with soft tip（9）.

9. hemodialysis CVC according to claim 1, it is characterized in that：The only liquid plate（31）Away from branch conduit （11）One side be provided with switch mark（312）.