CN213158278U - Pre-flushing connector of dialyzer - Google Patents
Pre-flushing connector of dialyzer Download PDFInfo
- Publication number
- CN213158278U CN213158278U CN202021137059.2U CN202021137059U CN213158278U CN 213158278 U CN213158278 U CN 213158278U CN 202021137059 U CN202021137059 U CN 202021137059U CN 213158278 U CN213158278 U CN 213158278U
- Authority
- CN
- China
- Prior art keywords
- cerini
- cylindrical
- seat
- dialyzer
- cylindrical connecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000011010 flushing procedure Methods 0.000 title abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000037452 priming Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000001802 infusion Methods 0.000 abstract description 8
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 abstract description 7
- 230000017531 blood circulation Effects 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 7
- 229960002897 heparin Drugs 0.000 abstract description 7
- 229920000669 heparin Polymers 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 9
- 239000012528 membrane Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000502 dialysis Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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- External Artificial Organs (AREA)
Abstract
The utility model discloses a dialyzer pre-flushing joint, which comprises a cylindrical connecting cap and a connecting pipe, wherein the cylindrical connecting cap is used for connecting a connector at one end of the dialyzer, a cylindrical connecting seat is integrally arranged at one end of the cylindrical connecting cap, and a plugging port is integrally arranged in the middle of one end of the cylindrical connecting seat, which is back to the cylindrical connecting cap; one end of the connecting pipe is hermetically inserted outside the inserting port, and the other end of the connecting pipe is integrally provided with a cylindrical assembling seat which is used for connecting an infusion apparatus. The utility model discloses, make the cerini dialyser cerini can be connected with the transfusion system, usable transfusion system carries the flush fluid in advance to the inside of cerini dialyser cerini, washes the inside of cerini dialyser cerini, can solve the cerini dialyser cerini occasionally because the insufficient heparin use amount of preflushing is few, and the blood flow is poor, leads to the cerini dialyser cerini to solidify, washes the inside of cerini dialyser cerini and causes to change the cerini dialyser cerini again because of unable connection transfusion system, need tear open the pipeline simultaneously and.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically a cerini dialyser cerini preflush connects.
Background
The hemodialyzer is called dialyzer for short, is a pipeline and a container for solute exchange between blood and dialysate, and is a key part of hemodialysis. The dialyzer mainly comprises a support structure and a dialysis membrane, wherein the dialysis membrane is an important component of the dialyzer and is a semipermeable membrane which only allows molecules smaller than the pore diameter of the membrane to pass through, and the membrane material is an improved cellulose membrane or a synthetic membrane which can be made into a high-flux dialyzer.
The cerini dialyser cerini exists in the use dialyser cerini occasionally because the insufficient heparin use amount of preflushing is few, and the blood flow is poor, leads to the problem that the cerini dialyser cerini solidifies, because the aperture of cerini dialyser cerini both ends connector is big than the terminal bore of transfusion system, can not lug connection, leads to unable utilizing the transfusion system to wash the inside of cerini dialyser cerini to make the cerini dialyser cerini of needs to be changed again, still need tear the pipeline open (including the arteriovenous pipeline) when changing the cerini dialyser cerini.
For this purpose, a dialyzer priming connector is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cerini dialyser cerini dashes and connects for the cerini dialyser cerini can be connected with the transfusion system, usable transfusion system carries the preflushing fluid to the inside of cerini dialyser cerini, wash the inside of cerini dialyser cerini, can solve the cerini dialyser cerini occasionally because the insufficient heparin use amount of dashing in advance is few, the blood flow is poor, lead to the cerini dialyser cerini to solidify, wash the inside of cerini dialyser cerini and cause the cerini dialyser cerini that needs to be changed again because of unable connection transfusion system, the pipeline that need be torn open simultaneously causes the.
In order to achieve the above object, the utility model provides a following technical scheme: a dialyzer pre-flushing joint comprises a cylindrical connecting cap and a connecting pipe;
the cylindrical connecting cap is used for connecting a connector at one end of a dialyzer, a cylindrical connecting seat is integrally arranged at one end of the cylindrical connecting cap, and a plug-in port is integrally arranged in the middle of one end, back to the cylindrical connecting cap, of the cylindrical connecting seat;
one end of the connecting pipe is hermetically inserted outside the inserting port, and the other end of the connecting pipe is integrally provided with a cylindrical assembling seat which is used for connecting an infusion apparatus.
Through adopting above-mentioned technical scheme, the cerini dialyser cerini preflush connector of setting is connected the cap by the cylinder, the cylinder connecting seat, the interface, the seat is joined in marriage to the cylinder and the connecting pipe constitutes, during the use, connect the cylinder the connector outside of cap connection in cerini dialyser cerini one end, join in marriage the dress seat with the transfusion system connection on the cylinder, can utilize the transfusion system to carry the preflush liquid to the inside of cerini dialyser cerini, wash the inside of cerini dialyser cerini, can solve the cerini dialyser cerini occasionally because the insufficient heparin use amount of preflushing is few, the blood flow is poor, lead to the cerini dialyser cerini solidification, wash the inside of cerini dialyser cerini and cause the cerini.
Preferably, the inner wall of the cylindrical connecting cap is provided with internal threads, and the internal threads are matched with external threads on the outer part of the connector at one end of the dialyzer.
Through adopting above-mentioned technical scheme, utilize internal thread and external screw thread to cooperate and make the cylinder connect the cap be convenient for the spiro union outside the connector of cerini dialyser cerini.
Preferably, a plurality of anti-slip strips are integrally arranged on the outer wall of the cylindrical connecting cap, and the anti-slip strips are annularly distributed on the outer wall of the cylindrical connecting cap at equal angles.
Through adopting above-mentioned technical scheme, a plurality of antislip strips increase the antiskid effect of the outer wall of cap is connected to the cylinder to make the controllability of cap is connected to the cylinder better.
Preferably, the outer edge of one end of the cylindrical assembling seat, which is back to the connecting pipe, is also integrally provided with an annular reinforcing ring.
Through adopting above-mentioned technical scheme, annular reinforcing ring is used for strengthening the anti deformability that the seat was joined in marriage to the cylinder, can effectively prevent that the cylinder joins in marriage being flattened of joining in marriage the seat.
Preferably, the inside of the cylindrical connecting seat is further fixedly provided with a one-way passing assembly, the one-way passing assembly comprises a cylindrical shell, a blocking plate, a first spring seat, a spring, a second spring seat and a hemispherical block, the cylindrical shell is fixedly arranged inside the cylindrical connecting seat, the outer wall of the cylindrical shell is hermetically connected with the inner wall of the cylindrical connecting seat, one end of the cylindrical shell, facing the insertion port, is provided with an end wall, an inlet is formed in the end wall, the blocking plate is fixedly arranged inside the other end of the cylindrical shell, an outlet is formed in the blocking plate, the first spring seat is fixedly arranged on one side face, facing the end wall, of the blocking plate, the spring is fixedly arranged on one side face, facing the end wall, of the first spring seat, and the second spring seat is fixedly arranged on one end part, facing the end wall, of the spring, the hemispherical block is fixedly arranged on one side face, facing the end wall, of the second spring seat, and the hemispherical block is in sealing and abutting contact with the inlet under the action of the spring.
By adopting the technical scheme, the arranged one-way passing assembly consists of a cylindrical shell, a plugging plate, a first spring seat, a spring, a second spring seat and a hemispherical block, under the mutual matching of the cylindrical shell, the plugging plate, the first spring seat, the spring, the second spring seat, the hemispherical block, the inlet and the outlet, so that the pre-washing liquid conveyed by the infusion set to the interior of the dialyzer can only flow towards the outlet through the inlet, and the liquid in the interior of the dialyzer can not enter the inlet through the outlet, thereby realizing the function of one-way conduction of the one-way passing component, effectively preventing the liquid in the dialyzer from flowing back into the infusion apparatus, can effectively avoid the inside preflush fluid of transfusion system to be contaminated to this utilizes clean pollution-free preflush fluid to wash dialyzer inside, can guarantee the inside cleanliness factor of dialyzer, and then guarantees that the patient can dialyse safely.
Preferably, the cambered surface of the hemispherical block faces the inlet, and the hemispherical block is a silica gel hemispherical block.
Through adopting above-mentioned technical scheme for the cambered surface and the entry contact of hemisphere shape piece make the leakproofness between hemisphere shape piece and the entry good, can effectively guarantee that one-way subassembly unidirectional flux function is more stable through.
Preferably, a silica gel sealing gasket is fixedly arranged on the inner wall of the joint of the cylindrical connecting seat and the cylindrical connecting cap.
Through adopting above-mentioned technical scheme, the sealed leakproofness that fills up between being used for reinforcing cylinder connecting cap and cerini dialyser cerini connector of silica gel.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, make the cerini dialyser cerini can be connected with the transfusion system, usable transfusion system carries the flush fluid in advance to the inside of cerini dialyser cerini, washes the inside of cerini dialyser cerini, can solve the cerini dialyser cerini occasionally because the insufficient heparin use amount of preflushing is few, and the blood flow is poor, leads to the cerini dialyser cerini to solidify, washes the inside of cerini dialyser cerini and causes to change the cerini dialyser cerini again because of unable connection transfusion system, need tear open the pipeline simultaneously and.
Drawings
FIG. 1 is a schematic diagram of the structure of a pre-priming connector of a dialyzer according to an embodiment;
FIG. 2 is a schematic diagram of an exploded view of a dialyzer priming joint according to one embodiment;
FIG. 3 is a schematic diagram of a partial cross-sectional view of a dialyzer priming joint according to an embodiment;
FIG. 4 is a schematic view of a portion of a section from another perspective of a dialyzer priming connector in accordance with an embodiment;
figure 5 is a schematic diagram of a one-way pass through assembly of a dialyzer priming connector of one embodiment.
In the figure: 1. a cylindrical connecting cap; 2. anti-slip strips; 3. a cylindrical connecting seat; 4. a connecting pipe; 5. a cylindrical fitting seat; 6. an annular reinforcing ring; 7. an interface; 8. a one-way pass through assembly; 801. a cylindrical housing; 802. a hemispherical block; 803. an inlet; 804. a second spring seat; 805. a spring; 806. a first spring seat; 807. a plugging plate; 808. an outlet; 809. an end wall; 9. a silica gel sealing gasket; 10. an internal thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a dialyzer priming connector, as shown in figure 1, comprises a cylindrical connecting cap 1 and a connecting pipe 4;
as shown in fig. 1-2, the cylindrical connecting cap 1 is used for connecting a connector at one end of a dialyzer, a cylindrical connecting seat 3 is integrally arranged at one end of the cylindrical connecting cap 1, and an insertion port 7 is integrally arranged in the middle of one end of the cylindrical connecting seat 3, which is back to the cylindrical connecting cap 1;
as shown in fig. 1-2, one end of the connection tube 4 is hermetically inserted outside the insertion port 7, and the other end of the connection tube 4 is integrally provided with a cylindrical fitting seat 5, wherein the cylindrical fitting seat 5 is used for connecting an infusion apparatus.
The cerini dialyser cerini joint of above-mentioned setting is connected cap 1 by the cylinder, cylinder connecting seat 3, interface 7, seat 5 and connecting pipe 4 constitution are joined in marriage to the cylinder, during the use, connect cap 1 with the cylinder outside the connector of cerini dialyser cerini one end, join in marriage the transfusion system on seat 5 is joined in marriage to the cylinder, can utilize the transfusion system to carry the preflush fluid to the inside of cerini dialyser cerini, wash the inside of cerini dialyser cerini, can solve the cerini dialyser cerini occasionally because the insufficient heparin use amount of preflushing is few, the blood flow is poor, lead to the cerini dialyser cerini to solidify, wash the inside of cerini dialyser cerini and cause the cerini dialyser cerini of need changing again because.
As shown in fig. 3, the inner wall of the cylindrical connection cap 1 is provided with an internal thread 10, and the internal thread 10 is matched with an external thread outside the connector at one end of the dialyzer. The cylindrical connecting cap 1 is convenient to be screwed outside the connector of the dialyzer by matching the internal thread 10 and the external thread.
As shown in fig. 1, a plurality of anti-slip strips 2 are integrally arranged on the outer wall of the cylindrical connecting cap 1, and the anti-slip strips 2 are circumferentially distributed on the outer wall of the cylindrical connecting cap 1 at equal angles. The anti-slip effect of the outer wall of the cylindrical connecting cap 1 is increased by the anti-slip strips 2, so that the controllability of the cylindrical connecting cap 1 is good.
As shown in fig. 1, an annular reinforcing ring 6 is integrally provided on the outer edge of one end of the cylindrical fitting seat 5 facing away from the connecting pipe 4. The annular reinforcing ring 6 is used for reinforcing the deformation resistance of the cylindrical fitting seat 5, and can effectively prevent the cylindrical fitting seat 5 from being squashed.
As shown in fig. 3-5, a one-way passing assembly 8 is further fixedly mounted inside the cylindrical connecting seat 3, the one-way passing assembly 8 includes a cylindrical housing 801, a blocking plate 807, a first spring seat 806, a spring 805, a second spring seat 804 and a hemispherical block 802, the cylindrical housing 801 is fixedly mounted inside the cylindrical connecting seat 3, an outer wall of the cylindrical housing 801 is hermetically connected with an inner wall of the cylindrical connecting seat 3, one end of the cylindrical housing 801 facing the socket 7 has an end wall 809, the end wall 809 is provided with an inlet 803, the blocking plate 807 is fixedly mounted inside the other end of the cylindrical housing 801, the blocking plate 807 is provided with an outlet 808, the first spring seat 806 is fixedly mounted on a side surface of the blocking plate 807 facing the end wall 809, the spring 805 is fixedly mounted on a side surface of the first spring seat 806 facing the end wall 809, the second spring seat 804 is fixedly arranged at one end of the spring 805 facing the end wall 809, the hemispherical block 802 is fixedly arranged on one side surface of the second spring seat 804 facing the end wall 809, and the hemispherical block 802 is sealed against the inlet 803 under the action of the spring 805.
The one-way passing assembly 8 comprises a cylindrical shell 801, a blocking plate 807, a first spring seat 806, a spring 805, a second spring seat 804 and a hemispherical block 802, wherein under the mutual matching of the cylindrical shell 801, the blocking plate 807, the first spring seat 806, the spring 805, the second spring seat 804, the hemispherical block 802, an inlet 803 and an outlet 808, the pre-flushing liquid conveyed to the interior of the dialyzer by the infusion apparatus can only flow towards the outlet 808 through the inlet 803, and the liquid in the interior of the dialyzer can not enter the inlet 803 through the outlet 808, so that the one-way passing assembly 8 has the function of one-way conduction, the liquid in the interior of the dialyzer can be effectively prevented from flowing back into the infusion apparatus, the pre-flushing liquid in the infusion apparatus can be effectively prevented from being polluted, therefore, the interior of the dialyzer can be flushed by the clean and pollution-free pre-flushing liquid, and the cleanliness of, thereby ensuring that the patient can safely carry out dialysis.
As shown in fig. 5, the arc surface of the hemispherical block 802 is disposed toward the inlet 803, and the hemispherical block 802 is a silica gel hemispherical block. The cambered surface of the hemispherical block 802 is in contact with the inlet 803, so that the sealing performance between the hemispherical block 802 and the inlet 803 is good, and the one-way conduction function of the one-way passing assembly 8 can be effectively ensured to be relatively stable.
As shown in fig. 3-4, a silica gel sealing gasket 9 is further fixedly mounted on the inner wall of the joint of the cylindrical connecting seat 3 and the cylindrical connecting cap 1. The silica gel sealing gasket 9 is used for enhancing the sealing performance between the cylindrical connecting cap 1 and the dialyzer connecting head.
The working principle is as follows: this cerini dialyser cerini preflush connects, during the use, connect the connector outside at cerini dialyser cerini one end with cylinder connecting cap 1, connect the transfusion system on cylinder assembly seat 5, can utilize the transfusion system to carry the preflushing fluid to the inside of cerini dialyser cerini, wash the inside of cerini dialyser cerini, can solve the cerini dialyser cerini occasionally because the insufficient heparin use amount of preflushing is few, the blood flow is poor, lead to the cerini dialyser cerini to solidify, wash the inside of cerini dialyser cerini and cause the cerini dialyser cerini that needs to be changed again because of unable connection transfusion system, the while need tear the pipeline.
The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A dialyzer priming connector is characterized in that: the method comprises the following steps:
the dialyzer comprises a cylindrical connecting cap (1), wherein the cylindrical connecting cap (1) is used for connecting a connector at one end of a dialyzer, a cylindrical connecting seat (3) is integrally arranged at one end of the cylindrical connecting cap (1), and a plug-in port (7) is integrally arranged in the middle of one end, back to the cylindrical connecting cap (1), of the cylindrical connecting seat (3);
the connecting pipe (4), one end of connecting pipe (4) is sealed pegged graft in the outside of interface (7), and the other end of connecting pipe (4) an organic whole is equipped with cylinder and joins in marriage dress seat (5), the cylinder joins in marriage dress seat (5) and is used for connecting the transfusion system.
2. A dialyzer priming connector according to claim 1, characterized in that: the inner wall of the cylindrical connecting cap (1) is provided with an internal thread (10), and the internal thread (10) is matched with an external thread on the outside of a connector at one end of the dialyzer.
3. A dialyzer priming connector according to claim 1, characterized in that: the anti-skidding connecting cap is characterized in that a plurality of anti-skidding strips (2) are integrally arranged on the outer wall of the cylindrical connecting cap (1), and the anti-skidding strips (2) are annularly distributed on the outer wall of the cylindrical connecting cap (1) at equal angles.
4. A dialyzer priming connector according to claim 1, characterized in that: an annular reinforcing ring (6) is further integrally arranged on the outer edge of one end, back to the connecting pipe (4), of the cylindrical assembling seat (5).
5. A dialyzer priming connector according to claim 1, characterized in that: the inner part of the cylindrical connecting seat (3) is fixedly provided with an unidirectional passing assembly (8), the unidirectional passing assembly (8) comprises a cylindrical shell (801), a blocking plate (807), a first spring seat (806), a spring (805), a second spring seat (804) and a hemispherical block (802), the cylindrical shell (801) is fixedly arranged in the cylindrical connecting seat (3), the outer wall of the cylindrical shell (801) is in sealing connection with the inner wall of the cylindrical connecting seat (3), one end, facing the insertion port (7), of the cylindrical shell (801) is provided with an end wall (809), the end wall (809) is provided with an inlet (803), the blocking plate (807) is fixedly arranged in the other end of the cylindrical shell (801), an outlet (808) is formed in the blocking plate (807), the first spring seat (806) is fixedly arranged in the blocking plate (807) and faces one side face of the end wall (809) The spring (805) is fixedly installed on one side surface of the first spring seat (806) facing the end wall (809), the second spring seat (804) is fixedly installed at one end part of the spring (805) facing the end wall (809), the hemispherical block (802) is fixedly installed on one side surface of the second spring seat (804) facing the end wall (809), and the hemispherical block (802) is in sealing abutment with the inlet (803) under the action of the spring (805).
6. A dialyzer priming connector according to claim 5, characterized in that: the cambered surface of hemisphere piece (802) sets up towards entry (803), just hemisphere piece (802) is the hemisphere piece of silica gel.
7. A dialyzer priming connector according to claim 1, characterized in that: and a silica gel sealing gasket (9) is fixedly arranged on the inner wall of the joint of the cylindrical connecting seat (3) and the cylindrical connecting cap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021137059.2U CN213158278U (en) | 2020-06-18 | 2020-06-18 | Pre-flushing connector of dialyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021137059.2U CN213158278U (en) | 2020-06-18 | 2020-06-18 | Pre-flushing connector of dialyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213158278U true CN213158278U (en) | 2021-05-11 |
Family
ID=75788448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021137059.2U Expired - Fee Related CN213158278U (en) | 2020-06-18 | 2020-06-18 | Pre-flushing connector of dialyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213158278U (en) |
-
2020
- 2020-06-18 CN CN202021137059.2U patent/CN213158278U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |