CN213158270U - Hemodialysis venous line structure - Google Patents
Hemodialysis venous line structure Download PDFInfo
- Publication number
- CN213158270U CN213158270U CN202020747152.9U CN202020747152U CN213158270U CN 213158270 U CN213158270 U CN 213158270U CN 202020747152 U CN202020747152 U CN 202020747152U CN 213158270 U CN213158270 U CN 213158270U
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- Prior art keywords
- pipeline
- arc
- passage
- adjusting mechanism
- syringe
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- Expired - Fee Related
Links
- 238000001631 haemodialysis Methods 0.000 title claims abstract description 26
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000001990 intravenous administration Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 210000003462 vein Anatomy 0.000 abstract description 10
- 239000008280 blood Substances 0.000 abstract description 9
- 210000004369 blood Anatomy 0.000 abstract description 9
- 206010001526 Air embolism Diseases 0.000 abstract description 7
- 230000036772 blood pressure Effects 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000502 dialysis Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 208000020832 chronic kidney disease Diseases 0.000 description 2
- 239000001509 sodium citrate Substances 0.000 description 2
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 2
- 208000013038 Hypocalcemia Diseases 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000004227 calcium gluconate Substances 0.000 description 1
- 229960004494 calcium gluconate Drugs 0.000 description 1
- 235000013927 calcium gluconate Nutrition 0.000 description 1
- NEEHYRZPVYRGPP-UHFFFAOYSA-L calcium;2,3,4,5,6-pentahydroxyhexanoate Chemical compound [Ca+2].OCC(O)C(O)C(O)C(O)C([O-])=O.OCC(O)C(O)C(O)C(O)C([O-])=O NEEHYRZPVYRGPP-UHFFFAOYSA-L 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 208000028208 end stage renal disease Diseases 0.000 description 1
- 201000000523 end stage renal failure Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000705 hypocalcaemia Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a hemodialysis vein pipeline structure, which comprises a vein pipe group and an adjusting mechanism integrated on the vein pipe group, wherein the vein pipe group comprises a first pipeline, a second pipeline and an injector connecting pipe, and the adjusting mechanism is provided with a sealing sleeve which is integrated with the first pipeline, the second pipeline and the injector connecting pipe; the end of the syringe connecting pipe arranged outside the sealing sleeve is provided with a joint, and the external syringe is assembled on the syringe connecting pipe through the joint; the adjusting mechanism is provided with an adjusting piece; the adjusting piece adjusts the communication state of the internal passage of the adjusting mechanism through rotation so as to realize the communication state switching of the venous tube group. The utility model discloses a pipeline structure integration has adjustment mechanism, and this adjustment mechanism has three route, communicates first pipeline, second pipeline and syringe respectively and takes over, can adjust the connected state of route through the regulating part according to the actual work requirement, and convenient operation has avoided leading to the blood to flow outside and avoiding the problem that the pipeline memory has the air to lead to the air embolism because blood pressure is too big.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a hemodialysis vein pipeline structure.
Background
With the continuous development of medical technology, the average life span of people is continuously prolonged, the incidence rate of chronic kidney diseases is gradually increased and is higher than the global population growth rate, and hemodialysis treatment is a main means for maintaining the life of patients with end-stage kidney diseases. According to the display of the American kidney data system (USEDS), 45 thousands of patients receiving hemodialysis treatment in the United states are up to 2016, 52 thousands of hemodialysis patients in China are up to and gradually increased by the display of a national hemodialysis case information registration system (CNRDS) in 2017, and 8-10 thousands of new hemodialysis patients are increased in year.
Hemodialysis is a process in which human blood is drained from a patient's body to the outside of the body, and substance exchange is achieved in a dialyzer by means of dispersion, convection, and the like, thereby removing metabolic wastes and excess water from the body, and returning purified blood to the body.
Hemodialysis pipeline structure among the prior art punctures to the blood vessel through the puncture usually, be the air in the pipeline after the puncture, medical personnel are through the nut of opening the afterbody, gush to the pipeline in with blood by patient's self blood pressure, medical personnel need look at the position of drawing blood and come the in good time and close the nut, gush out speed extremely fast because of blood, the wayward, it is outside that blood gushes out the pipeline often to appear, cause pollution and blood extravagant, the condition of air persisting in the pipeline also can appear. Since the venous end belongs to the inner end of the reinfusion body, air at the end can be reinfused into the body, and the risk of causing air embolism and even endangering life safety exists.
Meanwhile, part of blood purification modes, such as sodium citrate local anticoagulation dialysis and the like, require continuous input of calcium gluconate to patients during dialysis to antagonize hypocalcemia caused by sodium citrate, and currently, in clinic, an extra vascular access needs to be established, extra puncture needs to be added, and once pain is brought to patients.
Finally, in view of the above technical problems, a hemodialysis tube structure for preventing air embolism associated with dialysis needs to be developed by those skilled in the art to prevent air embolism caused by air entering into the body at the venipuncture end of a hemodialysis patient when the hemodialysis patient is on a machine, and to alleviate pain of the patient due to extra puncture by the patient by having a transfusion function during dialysis.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel structure, can avoid the interior air embolism of pipeline, the hemodialysis vein pipeline structure of the medical personnel operation of being convenient for.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a hemodialysis vein pipeline structure, this structure includes:
a venous tube set;
an adjustment mechanism integrated with the intravenous tubing set;
the intravenous tube set comprises a first tube, a second tube and a syringe connecting tube;
the first pipeline, the second pipeline and the injector connecting pipe are communicated with each other through the adjusting mechanism;
the adjusting mechanism is provided with a sealing sleeve which is integrated with the first pipeline, the second pipeline and the syringe connecting pipe;
the first pipeline part extends into the closed sleeve and is communicated with the adjusting mechanism;
the second pipeline part extends into the closed sleeve and is communicated with the adjusting mechanism;
the syringe adapter part extends into the closed sleeve and is communicated with the adjusting mechanism;
the end of the syringe adapter tube, which is arranged outside the sealing sleeve, is provided with a joint;
an external syringe is assembled to the syringe adapter through the joint;
the adjusting mechanism is provided with an adjusting piece;
the adjusting piece adjusts the communication state of the internal passage of the adjusting mechanism through rotation so as to realize the communication state switching of the venous tube group.
Further, the adjusting mechanism comprises the adjusting piece arranged inside the closed sleeve;
the adjusting piece comprises a tee body with a passage formed inside and the adjusting wrench mounted on the tee body;
the three-way body is internally provided with three passages, namely a first passage communicated with the first pipeline, a second passage communicated with the second pipeline and a third passage communicated with the syringe connecting pipe;
the adjusting wrench is rotatably connected with the tee body through a rotating shaft, and an arc-shaped bulge protruding out of the surface of the rotating shaft is arranged in the rotating shaft at the lower part of the adjusting wrench;
the adjusting wrench rotates to drive the arc-shaped protrusion to rotate, and the arc-shaped protrusion can contact and plug any passage to close the passage.
Further, arc-shaped grooves are formed in the first passage, the second passage and the third passage close to one end of the rotating shaft;
the outer diameter of the rotating shaft is smaller than the pipe diameters of the first passage, the second passage and the third passage;
the outer side profile of the arc-shaped bulge is matched with the arc-shaped groove, and the arc-shaped bulge is made of medical silica gel or medical plastic;
when the arc-shaped protrusion is matched with the arc-shaped groove, the arc-shaped protrusion is in interference fit with the arc-shaped groove through elastic deformation so as to seal the passage of the corresponding position.
Further, the extending direction of the adjusting wrench is consistent with the protruding direction of the arc-shaped protrusion.
Further, the joint includes:
the connector is formed at one end part of the syringe adapter tube, which is far away from the adjusting mechanism; and
the mounting cap is fixedly connected to the end part of the syringe adapter tube, which is far away from one end of the adjusting mechanism;
the mounting cap has internal threads;
the connector is arranged in the mounting cap;
the external injector arranged with the joint is provided with an injection end which is matched with the connector and is fixedly inserted;
the end of the injector matched with the mounting cap is provided with an external thread;
the syringe is in threaded connection with the mounting cap.
In the technical scheme, the utility model provides a pair of hemodialysis vein pipeline structure has following beneficial effect:
the pipeline structure of the utility model is integrated with the adjusting mechanism, the adjusting mechanism is provided with three passages which are respectively communicated with the first pipeline, the second pipeline and the injector connecting pipe, the communication state of the passages can be adjusted through the adjusting part according to the actual working requirement, the operation is convenient, the problem that blood flows out of the outside due to overlarge blood pressure is avoided, simultaneously, the technical problem of risk caused by air embolism due to air in the pipeline can be avoided, and the safety is improved;
the utility model discloses a pipeline structure is connected with the syringe through threaded connection's mode, makes things convenient for the dismouting, and can avoid additionally puncturing the misery that brings for the patient with the syringe pipeline integration on pipeline structure.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a hemodialysis venous line structure provided by an embodiment of the present invention.
Description of reference numerals:
1. an adjustment mechanism; 2. a first pipeline; 3. a second pipeline; 4. a syringe adapter; 5. an injector;
101. a sealing sleeve; 102. a tee body; 103. a rotating shaft; 104. adjusting the wrench;
10201. a first path; 10202. a second path; 10203. a third path; 10204. an arc-shaped slot;
10301. an arc-shaped bulge;
401. a connector; 402. installing a cap;
40201. an internal thread.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1;
the utility model discloses a hemodialysis vein pipeline structure, this structure includes:
a venous tube set;
an adjustment mechanism 1 integrated in the venous tubing set;
the intravenous tube set comprises a first tube 2, a second tube 3 and a syringe adapter 4;
the first pipeline 2, the second pipeline 3 and the injector connecting pipe 4 are communicated with each other through the adjusting mechanism 1;
the adjusting mechanism 1 is provided with a sealing sleeve 101 which is integrated with the first pipeline 2, the second pipeline 3 and the injector connecting pipe 4;
the first pipeline 2 extends into the closed sleeve 101 partially and is communicated with the adjusting mechanism 1;
the second pipeline 3 extends into the sealing sleeve 101 partially and is communicated with the adjusting mechanism 1;
the syringe connecting pipe 4 extends into the sealing sleeve 101 partially and is communicated with the adjusting mechanism 1;
the end of the syringe adapter 4 arranged outside the sealing sleeve 101 is provided with a joint;
the external syringe 5 is fitted to the syringe adapter 4 through a joint;
the adjusting mechanism 1 has an adjusting piece;
the adjusting piece adjusts the communication state of the internal passage of the adjusting mechanism 1 through rotation so as to realize the communication state switching of the venous tube group.
Specifically, the present embodiment discloses a novel tube structure for hemodialysis, in order to avoid extra pain to a patient caused by outsourcing puncture, the venous tube of the present embodiment is divided into three branches, which are a first tube 2, a second tube 3 and an injector adapter 4, wherein the first tube 2 and the second tube 3 are tubes for conventional puncture drainage, and the injector adapter 4 is connected to an external injector 5 to perform necessary operations, such as evacuation and discharge of air in the tubes or supplement and injection of a medicament during a treatment process. Three pipelines are designed to have multiple functions in the treatment process. In addition, in order to realize the switching of the three pipelines, an adjusting mechanism 1 is integrated on the pipeline structure, and the adjusting mechanism 1 switches the communication state of the internal passage through an adjusting piece so as to realize the communication between different pipelines. The operation is convenient, the requirement on the skills of medical staff is not high, and the application range is wide.
Preferably, the adjusting mechanism 1 in the present embodiment comprises an adjusting member disposed inside the sealing sleeve 101;
the adjusting piece comprises a tee body 102 with a passage formed inside and an adjusting wrench 104 arranged on the tee body 102;
the three-way body 102 is internally provided with three passages, namely a first passage 10201 communicated with the first pipeline 2, a second passage 10202 communicated with the second pipeline 3 and a third passage 10203 communicated with the syringe adapter 4;
the adjusting wrench 104 is rotatably connected with the tee body 102 through a rotating shaft 103, and an arc-shaped bulge 10301 protruding out of the surface of the rotating shaft is arranged in the rotating shaft 103 at the lower part of the adjusting wrench 104;
the adjusting wrench 104 rotates to drive the arc-shaped protrusion 10301 to rotate, and the arc-shaped protrusion 10301 can contact and block any passage to close the passage at the position.
Wherein, the first passage 2, the second passage 3 and the third passage 4 have an arc-shaped groove 10204 at one end close to the rotating shaft;
the outer diameter of the rotating shaft 103 is smaller than the pipe diameters of the first passage 10201, the second passage 10202 and the third passage 10203;
the outer side profile of the arc-shaped protrusion 10301 is matched with the arc-shaped groove 10204, and the arc-shaped protrusion 10301 is made of medical silica gel or medical plastic;
when the arc-shaped protrusion 10301 is positionally matched with the arc-shaped groove 10204, the arc-shaped protrusion 10301 is elastically deformed to form an interference fit with the arc-shaped groove 10204 to block a passage at a corresponding position.
The embodiment specifically introduces the structure of the adjusting mechanism 1, which is fixedly connected with the pipelines in three directions into a whole through the sealing sleeve 101; wherein, adjust spanner 104 for the part that medical personnel operated, should adjust spanner 104 and pass foretell closing sleeve 101 and tee bend body 102 through pivot 103, simultaneously, in order to guarantee sealed effect, has referred to the valve body structure among the prior art, need design the sealing washer on pivot 103 to improve sealed effect. Along with the rotation of adjusting spanner 104, it drives the pivot 103 who links firmly rather than rotating, finally realizes driving arc-shaped protrusion 10301 and rotates, and when arc-shaped protrusion 10301 rotated to arbitrary arc-shaped groove 10204 department, along with the deformation of arc-shaped protrusion 10301, with its whole embedding arc-shaped groove 10204 in, realize a dynamic seal structure to under the pressure effect of conducting passage, fluid can be along the circulation that conducts the passageway.
Preferably, in order to facilitate the observation of the switching situation of the pipeline by the medical staff, the extending direction of the adjusting wrench 104 of the present embodiment is the same as the protruding direction of the arc-shaped protrusion 10301. The extending direction of the adjusting wrench 104 is consistent with the protruding direction of the arc-shaped protrusion 10301, so that medical workers can observe the position and the direction of the inner arc-shaped protrusion 10301 conveniently, the medical workers can judge the communication condition of the inner passage at the moment conveniently, and the practicability is improved.
Preferably, the joint in this embodiment includes:
a connector 401 formed at one end of the syringe adapter 4 far away from the adjusting mechanism 1; and
the mounting cap 402 is fixedly connected to the end part of the syringe adapter 4 far away from the adjusting mechanism 1;
mounting cap 402 has internal threads 40201;
the connector 401 is arranged inside the mounting cap 402;
the external injector 5 mounted with the joint is provided with an injection end which is matched with the connecting head 4401 and is fixedly inserted;
the matching end of the injector 5 and the mounting cap 402 is provided with an external thread;
the syringe 5 is screwed to the mounting cap 402.
In the technical scheme, the utility model provides a pair of hemodialysis vein pipeline structure has following beneficial effect:
the pipeline structure of the utility model is integrated with an adjusting mechanism 1, the adjusting mechanism 1 is provided with three passages which are respectively communicated with a first pipeline 2, a second pipeline 3 and an injector connecting pipe 4, the communication state of the passages can be adjusted through an adjusting piece according to the actual working requirement, the operation is convenient, and the problem that blood flows out due to overlarge blood pressure is avoided; meanwhile, the technical problem of risk caused by air embolism due to the fact that air exists in the pipeline can be solved.
The utility model discloses a pipeline structure is connected with syringe 5 through threaded connection's mode, makes things convenient for the dismouting, and can avoid additionally puncturing the misery that brings for the patient with 5 pipeline integrations of syringe on pipeline structure.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (5)
1. Hemodialysis venous line structure, characterized by, this structure includes:
a venous tube set;
an adjustment mechanism (1) integrated in the venous tubing set;
the intravenous tube set comprises a first tube (2), a second tube (3) and a syringe connecting tube (4);
the first pipeline (2), the second pipeline (3) and the injector connecting pipe (4) are communicated with each other through the adjusting mechanism (1);
the adjusting mechanism (1) is provided with a sealing sleeve (101) which is in an integrated structure with the first pipeline (2), the second pipeline (3) and the injector connecting pipe (4);
the first pipeline (2) extends partially into the closed sleeve (101) and is communicated with the adjusting mechanism (1);
the second pipeline (3) extends into the closed sleeve (101) partially and is communicated with the adjusting mechanism (1);
the syringe connecting pipe (4) extends into the sealing sleeve (101) partially and is communicated with the adjusting mechanism (1);
the end of the syringe adapter tube (4) arranged outside the closed sleeve (101) is provided with a joint;
an external syringe (5) is assembled to the syringe adapter (4) through the joint;
the adjusting mechanism (1) is provided with an adjusting piece;
the adjusting piece adjusts the communication state of the internal passage of the adjusting mechanism (1) through rotation so as to realize the communication state switching of the venous tube group.
2. The hemodialysis venous line structure of claim 1, wherein the adjustment mechanism (1) comprises the adjustment member disposed inside the closure sleeve (101);
the adjusting piece comprises a tee body (102) with a passage formed inside and an adjusting wrench (104) installed on the tee body (102);
the three-way body (102) is internally provided with three passages, namely a first passage (10201) communicated with the first pipeline (2), a second passage (10202) communicated with the second pipeline (3) and a third passage (10203) communicated with the syringe connecting pipe (4);
the adjusting wrench (104) is rotatably connected with the tee body (102) through a rotating shaft (103), and an arc-shaped bulge (10301) protruding out of the surface of the rotating shaft (103) is arranged in the rotating shaft (103) at the lower part of the adjusting wrench (104);
the adjusting wrench (104) rotates to drive the arc-shaped protrusion (10301) to rotate, and the arc-shaped protrusion (10301) can contact and block any passage to close the passage at the position.
3. The hemodialysis venous line structure of claim 2, wherein the first path (10201), the second path (10202), and the third path (10203) have an arc-shaped slot (10204) at one end near the rotating shaft;
the outer diameter of the rotating shaft (103) is smaller than the pipe diameters of the first passage (10201), the second passage (10202) and the third passage (10203);
the outer side profile of the arc-shaped protrusion (10301) is matched with the arc-shaped groove (10204), and the arc-shaped protrusion (10301) is made of medical silica gel or medical plastic;
when the arc-shaped protrusion (10301) is matched with the arc-shaped groove (10204), the arc-shaped protrusion (10301) and the arc-shaped groove (10204) form interference fit through elastic deformation to block a passage of a corresponding position.
4. The hemodialysis venous line structure of claim 2, wherein the extension direction of the adjustment wrench (104) is identical to the protrusion direction of the arc-shaped protrusion (10301).
5. The hemodialysis venous line structure of claim 2, wherein the fitting comprises:
the connector (401) is formed at one end part of the syringe adapter (4) far away from the adjusting mechanism (1); and
the mounting cap (402) is fixedly connected to the end part of one end of the syringe adapter (4) far away from the adjusting mechanism (1);
the mounting cap (402) has internal threads (40201);
the connector (401) is arranged inside the mounting cap (402);
the external injector (5) installed with the connector is provided with an injection end matched with the connector (401) and fixedly inserted;
the matching end of the injector (5) and the mounting cap (402) is provided with an external thread;
the syringe (5) is in threaded connection with the mounting cap (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747152.9U CN213158270U (en) | 2020-05-08 | 2020-05-08 | Hemodialysis venous line structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020747152.9U CN213158270U (en) | 2020-05-08 | 2020-05-08 | Hemodialysis venous line structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213158270U true CN213158270U (en) | 2021-05-11 |
Family
ID=75764594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020747152.9U Expired - Fee Related CN213158270U (en) | 2020-05-08 | 2020-05-08 | Hemodialysis venous line structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213158270U (en) |
-
2020
- 2020-05-08 CN CN202020747152.9U patent/CN213158270U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |