CN109464715A - A kind of extracorporeal circulation pipeline for arterial blood dialysis - Google Patents
A kind of extracorporeal circulation pipeline for arterial blood dialysis Download PDFInfo
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- CN109464715A CN109464715A CN201811602505.XA CN201811602505A CN109464715A CN 109464715 A CN109464715 A CN 109464715A CN 201811602505 A CN201811602505 A CN 201811602505A CN 109464715 A CN109464715 A CN 109464715A
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- 239000008280 blood Substances 0.000 title claims abstract description 44
- 210000004369 blood Anatomy 0.000 title claims abstract description 44
- 230000004087 circulation Effects 0.000 title claims abstract description 29
- 238000000502 dialysis Methods 0.000 title claims abstract description 25
- 238000005070 sampling Methods 0.000 claims abstract description 89
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000741 silica gel Substances 0.000 claims abstract description 44
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 44
- 230000002439 hemostatic effect Effects 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 229960001866 silicon dioxide Drugs 0.000 claims description 43
- 238000005452 bending Methods 0.000 claims description 15
- 241000239290 Araneae Species 0.000 claims description 13
- 239000012530 fluid Substances 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000001631 haemodialysis Methods 0.000 description 4
- 235000005121 Sorbus torminalis Nutrition 0.000 description 3
- 244000152100 Sorbus torminalis Species 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 101000803709 Homo sapiens Vitronectin Proteins 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150992—Blood sampling from a fluid line external to a patient, such as a catheter line, combined with an infusion line; blood sampling from indwelling needle sets, e.g. sealable ports, luer couplings, valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3643—Priming, rinsing before or after use
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Urology & Nephrology (AREA)
- Emergency Medicine (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention relates to a kind of extracorporeal circulation pipelines for arterial blood dialysis, including dialysate connector, pressure sensor, sampling joint, puncture needle pipe joint, second hemostatic clamp, needle base bye-pass, 6th hose and the 7th hose, the dialysate connector is connect by pipeline with the pressure sensor, the pressure sensor is connect by the 6th hose with the liquid feeding end of the sampling joint, the outlet end of the sampling joint is connect by the 7th hose with the puncture needle pipe joint, second hemostatic clamp is set on the 7th hose, pipeline between the dialysate connector and pressure sensor is equipped with tributary interface, the needle base bye-pass is connect with the tributary interface.By the way that sampling seam is arranged on the silica gel plug of sampling joint sampling can be completed without insertion needle, the risk leaked occur in easy to operate and avoidable blood or replenisher in a kind of extracorporeal circulation pipeline for arterial blood dialysis provided by the invention.
Description
Technical field
The present invention and haemodialysis extracorporeal circulation pipeline construction applications, and in particular to it is a kind of for arterial blood dialysis
Extracorporeal circulation pipeline.
Background technique
Haemodialysis extracorporeal circulation pipeline be for human vitronectin dialysis connecting line, main function be connection human body with
The intracorporal blood of people is transported to dialyzer and purified, and leads back to human body by dialyzer, forms circulation.Role is generation
For blood vessel, the pipeline for serving as blood flow is used.Haemodialysis extracorporeal circulation set tube routes two groups of pipeline groups of arterial and duct of Arantius
At being connect respectively with dialyzer, and be respectively connected to human body artery and vein.
Pipeline needs as needed, to need to acquire blood, replenisher sample in use, and sampling joint can be not
In the case where destroying pipeline use, convenient collecting sample.In the prior art, by compressing silica gel plug, the bullet of silica gel plug is utilized
Property seals sampling joint.When needing, silica gel plug is pierced by syringe needle and is sampled, using the elasticity of silica gel plug,
When syringe needle is pierced into silica gel plug, silica gel plug can wrap syringe needle, not will lead to blood, replenisher leakage, when syringe needle is pulled out, by
In the elasticity of silica gel plug, silica gel plug can restore automatically, and pin hole is compressed and is sealed, and not will lead to blood, replenisher leakage.Existing skill
Art has following defects that 1. since silica gel plug is to play sealing function by the elastic force compressed, and silica gel plug must press to obtain ratio
It is relatively tight, but if silica gel plug press it is too tight if, and will lead to that silica gel plug is too close, and syringe needle is difficult to be pierced into silica gel plug, lead
It causes inconvenient 2. to be pierced into the mode of operation that the mode that silica gel plug is sampled is actually a kind of damage type using syringe needle, works as silicon
Rubber plug seals not good enough, when pressing not tight enough, if puncture needle is repeatedly punctured in same position, just puncturing hole is caused to become
Greatly, there is the risk leaked in blood, replenisher.
Summary of the invention
The present invention provides a kind of extracorporeal circulation pipelines for arterial blood dialysis, pass through the silica gel plug in sampling joint
Sampling can be completed without insertion needle in upper setting sampling seam, what leaking occurred in easy to operate and avoidable blood or replenisher
Risk.
To achieve the above object, the present invention provides a kind of extracorporeal circulation pipelines for arterial blood dialysis, including with
In the dialysate connector being connect with dialyzer, for the pressure sensor of fluid pressure, sampling joint, puncture needle tubing in signal piping
Road jointing, the second hemostatic clamp, needle base bye-pass, the 6th hose and the 7th hose, the dialysate connector by pipeline with
The liquid feeding end of the pressure sensor connects, and the outlet end of the pressure sensor is connect by the 6th hose and the sampling
The liquid feeding end connection of head, the outlet end of the sampling joint are connected by the 7th hose and the puncture needle pipe joint
It connects, second hemostatic clamp is set on the 7th hose, is set on the pipeline between the dialysate connector and pressure sensor
There is tributary interface, the needle base bye-pass is connect with the tributary interface.
Preferably, the sampling joint includes the sampling joint ontology and silica gel plug in hollow tubular, described to adopt
The outer wall of sample joint body is equipped with the fixing groove for fixing the silica gel plug, and the bottom of the fixing groove is equipped with and the sampling
The thieff hatch of the inside connection of joint body, the silica gel plug, which is embedded in the fixing groove and seals with the fixing groove, to be connected
It connects, the surface of the silica gel plug is equipped with sampling seam, and the sampling seam can be connected to described using hole, and the pressure sensor goes out
Liquid end is connect by the 6th hose with the liquid feeding end of the sampling joint ontology, and the outlet end of the sampling joint ontology is logical
The 7th hose is crossed to connect with the puncture needle pipe joint.
Preferably, the sampling joint further includes sampling lid, the lower end of the sampling lid and the fixing groove
Upper surface is tightly connected, the upper surface phase of lower end surface and fixing groove that the upper and lower ends of the silicagel pad are covered with the sampling respectively
Support, it is described sampling cover be equipped with for syringe head be inserted into through-hole, the through-hole can by the sampling seam with it is described
Thieff hatch connection.
Preferably, the pressure sensor includes pressure conduction structure and pressure sensitive device, and the pressure passes
Guide structure includes for piping connection and in conducting structure ontology, diaphragm, the first lid and the conduit of hollow tubular, the biography
The side wall of guide structure ontology is equipped with opening, the side wall sealed connection of first lid and conducting structure ontology, the opening position
In the inside of first lid, the diaphragm be set between the conducting structure ontology and the first lid and with the opening
It being tightly connected, the diaphragm and first lid interval are arranged and form pressure chamber between the diaphragm and the first lid,
The lower end of the conduit is inserted in the inside of first lid and is connected to the pressure chamber, the upper end of the conduit with it is described
The connection of pressure sensitive device.
Preferably, setting is heaved in the inside of the diaphragm towards the conducting structure ontology；First lid
Including the arcwall face backwards to diaphragm setting；The conducting structure ontology is equipped with identical as the diaphragm shapes and towards outside
The curved sections heaved, the curved sections are oppositely arranged with the opening.
Preferably, the needle base bye-pass stops including the second hose, the first needle base, needle base lid and first
Blood folder, one end of second hose are connect with the tributary interface, the other end of second hose and first female needle
One end of base connects, and the needle base lid is connect with the other end of first needle base.
Preferably, first hemostatic clamp it is identical as the structure of second hemostatic clamp and including the first clamp arm,
One end of linking arm and the second clamp arm, first clamp arm is connect by the linking arm with the first end of second clamp arm,
The top of second clamp arm is towards the first clamp arm bending and forms the bending section being oppositely arranged with the linking arm, described
The other end of first clamp arm is equipped with the guide part extended inwardly, the appearance of the guide part and the junction of first clamp arm
Face is equipped with the second card slot, and the other end of second clamp arm is equipped with that extends inwardly and can be connected in second card slot
Two buckles, the bending section are equipped with pilot hole corresponding with the guide part, are connected in described the when described second
When in two draw-in groove, the guide part is located in the pilot hole, the linking arm be equipped be oppositely arranged with the pilot hole and
For the first through hole that pipeline passes through, the inner wall of first clamp arm is equipped with the first folder towards second clamp arm side protrusion
Portion is held, the inner wall of second clamp arm is equipped with towards first clamp arm side protrusion and is oppositely arranged with first clamping part
The second clamping part.
Preferably, second clamp arm is equipped with close to the end of one end of second buckle backwards to described second
Buckle the first handle of side bending.
Preferably, the extracorporeal circulation pipeline for arterial blood dialysis further includes flush-through connection, the punching
Washing connector includes the second lid and the flush-through connection ontology in hollow cylinder shape, and the both ends of the flush-through connection ontology are distinguished
It is defined as the first connecting pin and second connection end, second lid is snapped connection with first connecting pin, and the flushing connects
The side wall of head ontology is connected with spider, the end of the spider and the first connecting pin of the flush-through connection ontology
End is concordant, and the outer wall of second lid is rotatably connected and described second by the end of connector and the spider
Lid, which is can turn to, closes the first connection end cap of the flush-through connection ontology, the connector be equipped with extend outwardly and with institute
The vertically disposed second handle in upper surface of the second lid is stated, the second connection end and the puncture needle pipe joint can
Dismantling connection.
Preferably, the extracorporeal circulation pipeline for arterial blood dialysis further includes dialysate connector lid, described
Dialysate connector lid is detachably connected with the dialysate connector.
A kind of extracorporeal circulation pipeline for arterial blood dialysis provided by above-mentioned technical proposal, when needing to sample,
Big, the blood or benefit of flush-through connection body interior are pressed in the gap of silica gel piece by the silica gel piece that sampling joint is squeezed by syringe
Filling liquid pass sequentially through it is described stitched using hole and sampling and enter the inside of syringe, to complete sampling process, the above process without
Need insertion needle that sampling can be completed, the risk leaked occur in easy to operate and avoidable blood or replenisher.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of sampling joint；
Fig. 3 is the top view of sampling joint；
Fig. 4 is the structural schematic diagram of sampling lid and silica gel plug junction；
Fig. 5 is the structural schematic diagram of the first hemostatic clamp；
Fig. 6 is the internal structure cross-sectional view of pressure conduction structure；
Fig. 7 is the partial enlarged view of lid and conducting structure ontology junction；
Fig. 8 is the structural schematic diagram (one) of pressure conduction structure；
Fig. 9 is the structural schematic diagram (two) of pressure conduction structure；
Figure 10 is the structural schematic diagram of flush-through connection.
Wherein: 1, dialysate connector lid；2, dialysate connector；3, jointing；4, pressure conduction structure；5, the first hemostatic clamp；
6, the first needle base；7, needle base lid；8, the second needle base；9, sampling joint；10, the second hemostatic clamp；11, puncture needle pipeline connects
Connector；12, flush-through connection；13, the first hose；14, the second hose；15, third hose；16, the 4th hose；17, five weaknesses
Pipe；18, the 6th hose；19, the 7th hose；
401, conducting structure ontology；402, the first lid；403, conduit；404, arcwall face；405, diaphragm；406, third ring
Shape protrusion；407, first annular protrusion；408, first annular slot；409, the second annular protrusion；
501, bending section；502, first handle；503, guide part；504, the second card slot；505, the first clamp arm；506, first
Clamping part；507, linking arm；508, first through hole；509, the second clamping part；510, the second clamp arm；511, pilot hole；512,
Two buckles；
901, sampling joint ontology；902, anti-skid chequer；903, sampling lid；904, the second through-hole；905, screwed tooth structure；906,
Sampling seam；907, silica gel plug；
1201, the second lid；1202, second handle；1203, spider；1204, reinforcing rib；1205, flush-through connection sheet
Body；1206, the first buckle；1207, plunger；1208, the first card slot.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
It referring to Figure 1-10, is a kind of extracorporeal circulation pipeline for arterial blood dialysis, packet provided by the present embodiment
Include the dialysate connector 2 for being connect with dialyzer, for the pressure sensor of fluid pressure in signal piping, sampling joint 9, wear
Pricker pipe joint 11, the second hemostatic clamp 10, needle base bye-pass, the 6th hose 18, dialysate connector lid 1 and the 7th hose
19, the dialysate connector 2 is connect by pipeline with the liquid feeding end of the pressure sensor, and the outlet end of the pressure sensor is logical
It crosses the 6th hose 18 to connect with the liquid feeding end of the sampling joint 9, the outlet end of the sampling joint 9 passes through the described 7th
Hose 19 is connect with the puncture needle pipe joint 11, and second hemostatic clamp 10 is set on the 7th hose 19,
Pipeline between the dialysate connector 2 and pressure sensor is equipped with tributary interface, the needle base bye-pass and the branch
Interface connection, it is preferable that jointing 3, the jointing 3 are equipped between the dialysate connector 2 and the pressure sensor
Using tee tube, the first end of the tee tube passes through the first hose 13 and the dialysate connector 2, the second end of the tee tube
It is connect by third hose 15 with the pressure sensor, the third section of the tee tube is connect with the needle base bye-pass.
Refer to Fig. 2-4, in the present embodiment, the sampling joint 9 includes 901 He of sampling joint ontology in hollow tubular
Silica gel plug 907, the outer wall of the sampling joint ontology 901 are equipped with the fixing groove for fixing the silica gel plug 907, the fixation
The bottom of slot is equipped with the thieff hatch being connected to the inside of the sampling joint ontology 901, and the silica gel plug 907 is embedded at described solid
Determine to be tightly connected in slot and with the fixing groove, the surface of the silica gel plug 907 is equipped with sampling seam 906, and the sampling seam 906 can
It is connected to described using hole, the outlet end of the pressure sensor passes through the 6th hose 18 and the sampling joint ontology
The outlet end of 901 liquid feeding end connection, the sampling joint ontology 901 passes through the 7th hose 19 and the puncture needle pipeline
Jointing 11 connects.Specifically, when needing to sample, silica gel piece is squeezed by syringe, the gap of silica gel piece is pressed greatly, is adopted
Blood or replenisher inside sample joint body 901 pass sequentially through described using in hole and sampling seam 906 and entrance syringe
Portion, to complete sampling process, sampling, easy to operate and avoidable blood or benefit is can be completed without insertion needle in the above process
There is the risk leaked in filling liquid.
Further, it is connect for convenience of sampling joint 9 with the syringe of needleless, in the present embodiment, the sampling joint 9 is also
Including sample lid 903, it is described sampling lid 903 lower end and the fixing groove upper surface be tightly connected, the silicagel pad it is upper
Lower both ends offset with the lower end surface of the sampling lid 903 and the upper surface of fixing groove respectively, the sampling lid 903 equipped with for
Second through-hole 904 of the head insertion of syringe, second through-hole 904 can stitch 906 and the thieff hatch by the sampling
Connection.Specifically, the head of syringe can be inserted into second through-hole 904 and squeeze silica gel piece, to realize the process of sampling.
Further, in the present embodiment, the upper surface of the fixing groove is equipped with the strip that raises upward, the sampling lid
903 lower end is equipped with card slot corresponding with the strip, the sampling card of the lid 903 by the card slot and the fixing groove
Item clamping, the bottom of the fixing groove are equipped with the protrusion being arranged towards the silica gel plug 907, and the bottom surface of the silica gel plug 907 is set
There is groove corresponding with the protrusion, the protrusion is embedded in the groove.So, it is ensured that the position of silicagel pad is always
It is relatively fixed, to improve the service life of sampling joint 9.
Still further, the upper end of the sampling lid 903 is in hollow cylinder shape, the upper end of the sampling lid 903 is set to
Screwed tooth structure 905 for being tightly connected with syringe.Because fractional-sample needle applicator is with internal screw thread, Ke Yiyu
The cooperation of 9 lid external screw teeth of sampling joint makes syringe and the lid sealing of sampling joint 9 even closer.
In addition, the sampling joint ontology 901 is in hollow cylinder shape and including head end and tail end, the sampling joint sheet
The inside of body 901 is equipped with sampler chamber, and the sectional area of the sampler chamber is less than the section of the inner hole of the sampling joint ontology 901
Product, the sampler chamber are connected to and are oppositely arranged using hole with described, so, it is ensured that blood or replenisher are flowing through sampler chamber
When, pressure is opposite to be increased, so that convenient squeeze out from sampling seam 906.
In the present embodiment, the cross sectional shape of the silica gel plug 907 and the cross sectional shape form of the fixing groove, the silica gel
Plug 907 is connected with fixing groove interference fit, to guarantee that silica gel plug 907 must be relatively tighter, is avoided in non-sampled situation, blood
Liquid or replenisher leak.The outer wall of the sampling joint ontology 901 is equipped with anti-skid chequer 902, in this way, sampling can conveniently be taken
Connector 9.
Fig. 6-9 is referred to, is the structural schematic diagram of the pressure conduction structure 4, the pressure sensor includes that pressure passes
Guide structure 4 and pressure sensitive device, the pressure conduction structure 4 include for piping connection and in the conduction knot of hollow tubular
Structure ontology 401, diaphragm 405, the first lid 402 and conduit 403, the side wall of the conducting structure ontology 401 is equipped with opening, described
The side wall of first lid 402 and conducting structure ontology 401 is tightly connected, and the opening is located at the inside of first lid 402,
The diaphragm 405 is set between the conducting structure ontology 401 and the first lid 402 and is tightly connected with the opening, institute
It states diaphragm 405 and first lid 402 interval is arranged and forms pressure chamber between the diaphragm 405 and the first lid 402,
The lower end of the conduit 403 is inserted in the inside of first lid 402 and is connected to the pressure chamber, the conduit 403
Upper end is connect with the pressure sensitive device, it is preferable that soft by the 4th between the conduit 403 and the pressure sensitive device
Pipe 16, the 5th hose 17 and the connection of the second needle base 8.Specifically, by being arranged at the sidewall opening of conducting structure ontology 401
Directly and contacting blood, blood stream is out-of-date for diaphragm 405, due to the variation of pressure, the application of positive pressure or negative pressure, and pressure conduction film pair
The upper and lower of pressure chamber is agitated, and magnifies or air volume that compression pressure is intracavitary carrys out conducting pressure, and by conduit 403 and pressure sensitive
Device connection, to realize the conduction to pressure, and then convenient for the accurate detection to pressure.In addition, by will be under conduit 403
End is inserted in the inside of first lid 402, and such conduit 403 can be put in pressure chamber, and diaphragm 405 is in the first lid of direction
402 when sticking out completely, can be arrived by top, can not paste capping on dead pressure chamber completely, prevent pressure chamber by complete overflow, pressure chamber
Middle volume is no longer changed, and pressure transmitting is caused not gone out.
In the present embodiment, setting is heaved in the inside of the diaphragm 405 towards the conducting structure ontology 401, and described first
Lid 402 includes the arcwall face 404 backwards to the diaphragm 405 setting, and the conducting structure ontology 401 is equipped with and the diaphragm
405 shapes are identical and towards the curved sections that outside is heaved, and the curved sections are oppositely arranged with the opening, so, it is ensured that diaphragm
Blood between 405 and the inner wall of conducting structure ontology 401 always can be with proper flow, without blocking phenomenon.
Further, the outer edge of the diaphragm 405 is fixedly installed on first lid 402 and conducting structure ontology
401 junction, the upward bending of outer edge of the diaphragm 405 simultaneously form a first annular slot 408, first lid
402 lower end surface is equipped with corresponding with the first annular slot 408 and is embedded at first annular in the first annular slot 408
The outer surface of protrusion 407, the conducting structure ontology 401 is equipped with the second annular groove, and the lower end surface of first lid 402 is equipped with
The second annular protrusion 409 that is corresponding with second annular groove and being embedded in second annular groove, the diaphragm 405
Lower end surface is equipped with third annular groove, and the outer surface of the conducting structure ontology 401 is equipped with corresponding simultaneously with the third annular groove
The third annular protrusion 406 being embedded in the third annular groove, so, it is ensured that the first lid 402, diaphragm 405 and conduction
The stability connected between structural body 401.
Further, the 401 both ends inner hole of conducting structure ontology, outer diameter are all in accordance with standard luer taper design, tool
Body, the outer surface at 401 both ends of conducting structure ontology is respectively equipped with pluggable in the first step in a ring in pipeline
Position, the second step position in a ring that the inner wall at 401 both ends of conducting structure ontology is respectively equipped with for pipeline grafting, such as
This, the power conducting structure can also be easy to use, wildcard type with interpolation pipeline with external pipeline or even direct external accessories
By force.
In the present embodiment, the needle base bye-pass includes the second hose 14, the first needle base 6, needle base lid 7 and first
One end of hemostatic clamp 5, second hose 14 is connect with the tributary interface, the other end of second hose 14 and described the
One end of one needle base 6 connects, and the needle base lid 7 is connect with the other end of first needle base 6.
Wherein, Fig. 5 is referred to, first hemostatic clamp 5 is identical as the structure of second hemostatic clamp 10 and including first
Clamp arm 505, linking arm 507 and the second clamp arm 510, one end of first clamp arm 505 pass through the linking arm 507 and described the
The first ends of two clamp arm 510 connects, and the top of second clamp arm 510 is towards 505 bending of the first clamp arm and is formed and institute
The bending section 501 that linking arm 507 is oppositely arranged is stated, the other end of first clamp arm 505 is equipped with the guide part extended inwardly
503, the guide part 503 and the outer surface of the junction of first clamp arm 505 are pressed from both sides equipped with the second card slot 504, described second
The other end of arm 510 is equipped with the second buckle 512 that extends inwardly and can be connected in second card slot 504, the bending
Section 501 is equipped with pilot hole 511 corresponding with the guide part 503, when second buckle 512 is connected in second card
When in slot 504, the guide part 503 is located in the pilot hole 511, and the linking arm 507 is equipped with and the pilot hole 511
It is oppositely arranged and for the first through hole 508 that pipeline passes through, the inner wall of first clamp arm 505 is equipped with towards second clamp arm
First clamping part 506 of 510 sides protrusion, the inner wall of second clamp arm 510 are equipped with convex towards 505 side of the first clamp arm
The second clamping part 509 for rising and being oppositely arranged with first clamping part 506.Specifically, it is oriented to by increasing in hemostatic clamp
Structure, only when guide part 503 is correctly inserted into pilot hole 511, the second buckle 512 of hemostatic clamp could be clamped to the second card slot
504, and then realize that the closure of hemostatic clamp clamps, when hemostatic clamp folder is inclined, guide part 503 cannot be introduced into the pilot hole of hemostatic clamp
In 511, hemostatic clamp can not be clasped, and hemostatic clamp is caused to flick, and avoid the occurrence of hemostatic clamp folder partially, pipeline is caused to leak blood phenomenon.Specifically
Ground makes pipeline pass sequentially through first through hole 508, the first clamping part 506 and the second clamping part when needing to be clamped pipeline
Between 509, pilot hole 511, when hemostatic clamp, which is closed, to be clamped, first clamping part 506 and the second clamping part 509 will be positioned at the
Pipeline between one clamping part 506 and the second clamping part 509 clamps.
Further, for convenience of the opening of hemostatic clamp, in the present embodiment, second clamp arm 510 is close to second card
The end of one end of button 512 is equipped with the first handle 502 backwards to second buckle, 512 side bendings, when needs open hemostasis
When folder, as long as soon as breaking first handle 502, hemostatic clamp can be opened.
In the present embodiment, the guide part 503 and first clamp arm 505 setting at an acute angle, to facilitate guide part 503
Into in guide groove, it is preferable that the width of the guide part 503 is of same size with the pilot hole 511, so, it is ensured that
Only when guide part 503 is correctly inserted into pilot hole 511, the second buckle 512 of hemostatic clamp could be clamped to the second card slot 504,
And then realize that the closure of hemostatic clamp clamps, when hemostatic clamp folder is inclined, guide part 503 be cannot be introduced into the pilot hole 511 of hemostatic clamp,
Hemostatic clamp can not clasp, and hemostatic clamp is caused to flick.And the limit that may be implemented to hemostatic clamp or so is arranged such, when the second buckle
512 when being caught in the second card slot 504, and the first clamp arm 505 cannot be deviated relative to the second clamp arm 510 or so, be further ensured that clamping
Accuracy.
In addition, first clamping part 506 and the second clamping part 509 are the V-shaped protrusion in section in the present embodiment.
When second buckle 512 is connected in second card slot 504, first clamping part 506 and second clamping part
509 are in contact.The linking arm 507 is 510 one of elastic hinge or first clamp arm 505, linking arm 507 and the second clamp arm
Molding.The outer surface of first clamp arm 505 is equipped with anti-skid chequer, can conveniently take.The pilot hole 511 is along the bending section
Strip-shaped hole is arranged in 501 length direction.
Referring to Figure 10, in the present embodiment, the extracorporeal circulation pipeline for arterial blood dialysis further includes rinsing to connect
First 12, the flush-through connection 12 includes the second lid 1201 and the flush-through connection ontology 1205 in hollow cylinder shape, will be described
The both ends of flush-through connection ontology 1205 are respectively defined as the first connecting pin and second connection end, second lid 1201 with it is described
First connecting pin snaps connection, and the side wall of the flush-through connection ontology 1205 is connected with spider 1203, the spider
1203 end is concordant with the end of the first connecting pin of the flush-through connection ontology 1205, the outer wall of second lid 1201
Be rotatably connected by the end of connector and the spider 1203 and second lid 1201 can turn to will be described
First connection end cap of flush-through connection ontology 1205 is closed, the connector be equipped with extend outwardly and with second lid 1201
The vertically disposed second handle 1202 in upper surface, the second connection end and the puncture needle pipe joint 11 are detachable
Connection.Specifically, the first connecting pin card that the present embodiment passes through second lid 1201 and the flush-through connection ontology 1205
Button connection, to guarantee the stability connected between the second lid 1201 and flush-through connection ontology 1205；By the way that overhanging branch is arranged
Frame 1203 and second handle 1202, according to Pythagorean theorem, can reduce the power for opening the second lid 1201 to increase the arm of force
Degree.
In the present embodiment, the spider 1203 include in parallel with the axis of the flush-through connection ontology 1205 and with institute
State the spaced connecting plate of outer wall of flush-through connection ontology 1205, the upper end of the connecting plate and the flush-through connection ontology
The end of 1205 the first connecting pin is concordant, and the outer wall of second lid 1201 passes through the upper end of connector and the connecting plate
It is rotatably connected.Add in addition, the spider 1203 is equipped with the junction with the side wall of flush-through connection ontology 1205
Strengthening tendons 1204.So, it is ensured that the intensity of 1203 structure of spider improves the service life of flush-through connection 12.
Further, it is equipped with columned plunger 1207 in second lid 1201, the plunger 1207 and described the
The coaxial arrangement of two lids 1201, the outer diameter of the plunger 1207 is identical as the internal diameter of the flush-through connection ontology 1205, realization pair
Sealing inside flush-through connection ontology 1205.As shown in Fig. 2, the plunger 1207 is in hollow cylinder shape, the plunger 1207
One end be connected on the inner side end of second lid 1201, the other end of the plunger 1207 is equipped with inclined-plane and can plug
In in the flush-through connection ontology 1205, so that the lid of the second lid 1201 be facilitated to close.
Preferably, in the present embodiment, the outer wall of first connecting pin is equipped with the first buckle 1206 of outwardly convex, described
The inner wall of second lid 1201 is equipped with and first buckle, 1206 corresponding first card slots 1208, the flush-through connection ontology
1205 can be snapped connection by the first card slot 1208 of first buckle 1206 and second lid 1201, first card
The quantity of button 1206 is that 2,2 first buckles 1206 are relatively arranged on the outer wall of the flush-through connection ontology 1205, such as
This, no setting is required whole circle screw thread reduces the material of non-key position, reduces product material, save the cost.The second connection end
Outer wall be equipped with outwardly convex second buckle 512, it is described second buckle 512 quantity be 2, in this way, flush-through connection can be facilitated
12 connect with haemodialysis extracorporeal circulation pipeline.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of extracorporeal circulation pipeline for arterial blood dialysis, which is characterized in that including saturating for what is connect with dialyzer
Analysis connector stops for the pressure sensor of fluid pressure, sampling joint, puncture needle pipe joint, second in signal piping
Blood folder, needle base bye-pass, the 6th hose and the 7th hose, the dialysate connector by pipeline and the pressure sensor into
The outlet end of the connection of liquid end, the pressure sensor is connect by the 6th hose with the liquid feeding end of the sampling joint, institute
The outlet end for stating sampling joint is connect by the 7th hose with the puncture needle pipe joint, second hemostatic clamp
It is set on the 7th hose, the pipeline between the dialysate connector and pressure sensor is equipped with tributary interface, the mother
Needle base bye-pass is connect with the tributary interface.
2. the extracorporeal circulation pipeline according to claim 1 for arterial blood dialysis, which is characterized in that the sampling connects
Head includes the sampling joint ontology and silica gel plug in hollow tubular, and the outer wall of the sampling joint ontology is equipped with for described in fixed
The fixing groove of silica gel plug, the bottom of the fixing groove is equipped with the thieff hatch being connected to the inside of the sampling joint ontology, described
Silica gel plug is embedded in the fixing groove and is tightly connected with the fixing groove, and the surface of the silica gel plug is equipped with sampling seam, institute
Stating sampling seam can be connected to described using hole, and the outlet end of the pressure sensor is connect by the 6th hose and the sampling
The liquid feeding end connection of head ontology, the outlet end of the sampling joint ontology are connected by the 7th hose and the puncture needle pipeline
Connector connection.
3. the extracorporeal circulation pipeline according to claim 2 for arterial blood dialysis, which is characterized in that the sampling connects
Head further includes that sampling is covered, and the lower end of the sampling lid and the upper surface of the fixing groove are tightly connected, above and below the silicagel pad
Upper surface of the both ends respectively with the lower end surface of the sampling lid and fixing groove offsets, and the sampling, which covers, to be equipped with for syringe
Second through-hole of head insertion, second through-hole can be stitched by the sampling and be connected to the thieff hatch.
4. the extracorporeal circulation pipeline according to claim 1 for arterial blood dialysis, which is characterized in that the pressure passes
Sensor includes pressure conduction structure and pressure sensitive device, and the pressure conduction structure includes for piping connection and in hollow
Conducting structure ontology, diaphragm, the first lid and the conduit of tubulose, the side wall of the conducting structure ontology are equipped with opening, and described the
The side wall of one lid and conducting structure ontology is tightly connected, and the opening is located at the inside of first lid, and the diaphragm is set
It is placed between the conducting structure ontology and the first lid and is tightly connected with the opening, the diaphragm and first lid
Interval is arranged and forms pressure chamber between the diaphragm and the first lid, and the lower end of the conduit is inserted in first lid
Inside and be connected to the pressure chamber, the upper end of the conduit is connect with the pressure sensitive device.
5. the extracorporeal circulation pipeline according to claim 4 for arterial blood dialysis, which is characterized in that the diaphragm court
Setting is heaved to the inside of the conducting structure ontology；First lid includes the arcwall face backwards to diaphragm setting；Institute
It states conducting structure ontology and is equipped with identical and towards the curved sections that outside is heaved as the diaphragm shapes, the curved sections are opened with described
Mouth is oppositely arranged.
6. the extracorporeal circulation pipeline according to claim 1 for arterial blood dialysis, which is characterized in that the needle base
Bye-pass includes the second hose, the first needle base, needle base lid and the first hemostatic clamp, one end and the branch of second hose
The connection of road interface, the other end of second hose connect with one end of first needle base, the needle base lid with it is described
The other end of first needle base connects.
7. the extracorporeal circulation pipeline according to claim 6 for arterial blood dialysis, which is characterized in that described first stops
Blood folder is identical as the structure of second hemostatic clamp and including the first clamp arm, linking arm and the second clamp arm, first clamp arm
One end is connect by the linking arm with the first end of second clamp arm, and the top of second clamp arm is pressed from both sides towards described first
Arm bending simultaneously forms the bending section being oppositely arranged with the linking arm, and the other end of first clamp arm is equipped with to be extended inwardly
Guide part, the outer surface of the junction of the guide part and first clamp arm are equipped with the second card slot, second clamp arm it is another
One end is equipped with the second buckle that extends inwardly and can be connected in second card slot, and the bending section is equipped with and leads with described
To the corresponding pilot hole in portion, when described second is connected in second card slot, the guide part is located at described lead
Into hole, the linking arm, which is equipped with, to be oppositely arranged and for the first through hole that pipeline passes through with the pilot hole, and described first
The inner wall of clamp arm is equipped with the first clamping part towards second clamp arm side protrusion, and the inner wall of second clamp arm is equipped with direction
The second clamping part first clamp arm side protrusion and be oppositely arranged with first clamping part.
8. the extracorporeal circulation pipeline according to claim 7 for arterial blood dialysis, which is characterized in that second folder
The end of one end of nearly second buckle of arm rest is equipped with the first handle backwards to the second buckle side bending.
9. the extracorporeal circulation pipeline described in any one of -8 for arterial blood dialysis, feature exist according to claim 1
In the extracorporeal circulation pipeline for arterial blood dialysis further includes flush-through connection, and the flush-through connection includes the second lid
Be in hollow cylinder shape flush-through connection ontology, by the both ends of the flush-through connection ontology be respectively defined as the first connecting pin and
Second connection end, second lid are snapped connection with first connecting pin, and the side wall of the flush-through connection ontology is connected with
Spider, the end of the spider is concordant with the end of the first connecting pin of the flush-through connection ontology, and described second
The outer wall of lid is rotatably connected by the end of connector and the spider and second lid is can turn to institute
The first connection end cap for stating flush-through connection ontology is closed, and the connector, which is equipped with, to extend outwardly and the upper end with second lid
The vertically disposed second handle in face, the second connection end are detachably connected with the puncture needle pipe joint.
10. the extracorporeal circulation pipeline described in any one of -8 for arterial blood dialysis, feature exist according to claim 1
In the extracorporeal circulation pipeline for arterial blood dialysis further includes dialysate connector lid, the dialysate connector lid and described
Analysis connector is detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602505.XA CN109464715B (en) | 2018-12-26 | 2018-12-26 | Extracorporeal circulation pipeline for arterial hemodialysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811602505.XA CN109464715B (en) | 2018-12-26 | 2018-12-26 | Extracorporeal circulation pipeline for arterial hemodialysis |
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| CN109464715A true CN109464715A (en) | 2019-03-15 |
| CN109464715B CN109464715B (en) | 2024-01-05 |
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| CN110448309A (en) * | 2019-09-10 | 2019-11-15 | 深圳安特医疗股份有限公司 | Triple valve |
| CN110448286A (en) * | 2019-09-10 | 2019-11-15 | 深圳安特医疗股份有限公司 | Invasive pressure sensor |
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| CN109464715B (en) | 2024-01-05 |
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