CN219721478U - Dialysis catheter thrombolysis device - Google Patents
Dialysis catheter thrombolysis device Download PDFInfo
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- CN219721478U CN219721478U CN202321319375.5U CN202321319375U CN219721478U CN 219721478 U CN219721478 U CN 219721478U CN 202321319375 U CN202321319375 U CN 202321319375U CN 219721478 U CN219721478 U CN 219721478U
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- connector
- negative pressure
- thrombolysis
- catheter
- end connected
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- 230000002537 thrombolytic effect Effects 0.000 title claims abstract description 45
- 238000000502 dialysis Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 238000001802 infusion Methods 0.000 claims abstract description 39
- 239000003814 drug Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 208000007536 Thrombosis Diseases 0.000 abstract description 19
- 210000004204 blood vessel Anatomy 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000036541 health Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000001631 haemodialysis Methods 0.000 description 6
- 230000000322 hemodialysis Effects 0.000 description 6
- 239000008280 blood Substances 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 3
- 239000003527 fibrinolytic agent Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 102000003990 Urokinase-type plasminogen activator Human genes 0.000 description 1
- 108090000435 Urokinase-type plasminogen activator Proteins 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 208000012998 acute renal failure Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000020832 chronic kidney disease Diseases 0.000 description 1
- 208000022831 chronic renal failure syndrome Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229960005356 urokinase Drugs 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The utility model discloses a dialysis catheter thrombolysis device, which comprises a connecting mechanism, a thrombolysis mechanism and a negative pressure mechanism, wherein a passage is formed in the connecting mechanism, and one end of the connecting mechanism is connected with a double-cavity catheter on a patient; the thrombolysis mechanism comprises an infusion tube with one end connected with the liquid medicine bag and the other end connected with the inside of the connecting mechanism, and an infusion head with one end connected with the infusion tube and the other end extending into the double-cavity catheter; the negative pressure mechanism output end with coupling mechanism's internal connection, the negative pressure mechanism during operation makes the passageway in the coupling mechanism forms negative pressure state, and this kind of dialysis catheter thrombolysis device replaces traditional dialysis catheter thrombolysis device, has avoided leading to the fact the thrombus to drop in the official cavity at the in-process of thrombolysis, and then causes the thrombus to get into the blood vessel of patient after blocking up the blood vessel easily, causes the problem of threat to patient's health.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a dialysis catheter thrombolysis device.
Background
Hemodialysis is a common method for treating acute and chronic renal failure, and the main process is to drain the blood of a patient to the outside of the body, remove harmful components in the blood through a purification device, and then return the purified blood into the body. The double-lumen catheter is the most widely used hemodialysis catheter at present, and two lumens inside the double-lumen catheter are used for draining blood outside the body and conveying the blood back into the body respectively, after the hemodialysis catheter is placed into a great vein, the position of the double-lumen catheter is usually not changed any more, and an interface of the double-lumen catheter extending out of the body is fixed on the surface of the skin and used for connecting a dialysis machine. Depending on the material and structure, hemodialysis catheters are used for about 1 month to about 1 year, and are pulled out from the body when no longer used. During long-term use of hemodialysis catheters, intraluminal thrombus formation is one of the most common problems, and once the lumen is completely blocked by thrombus, hemodialysis will not be performed, and injection of thrombolytic drugs (urokinase, etc.) into the inside thereof is a main method for clearing thrombus.
Refer to the application number CN202021948092.3 patent, it discloses a central venous catheter thrombolysis device, including the underframe, the middle part is provided with the supporting shoe in the underframe, be provided with the breach on a curb plate of underframe, the curb plate that has the breach of underframe is located one side of supporting shoe, the upper end of supporting shoe is provided with the baffle, be provided with the bounding wall on the baffle, the bounding wall encloses into the cavity of cylinder shape at the baffle top surface, this cavity is the cylinder draw-in groove that clamps the partial syringe cylinder and uses, be provided with the guide holder in the underframe of supporting shoe opposite side, the guide holder is connected through the guide bar with the supporting shoe, be provided with the movable block that can follow guide bar reciprocating rectilinear motion on the guide bar, the upper end of movable block is provided with the pushing handle draw-in groove that is used for clamping partial syringe pushing handle, power device provides power for the removal of movable block. The utility model has simple structure, convenient use and low cost, can effectively assist medical staff to complete thrombolysis dredging operation of the PICC catheter, has less manual operation in the whole thrombolysis process and has low labor intensity.
But this patent also has the following drawbacks: although the patent uses the automatic push-pull injector to repeatedly suck the catheter to inject thrombolytic drugs to make the drugs injected into the lumen, the repeated sucking catheter has larger impact on the blood vessel, so that thrombus is easy to fall off in the lumen, and the fallen thrombus is easy to enter the blood vessel to cause thrombus blockage, thereby seriously threatening the health of patients.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
Therefore, the utility model aims to provide a dialysis catheter thrombolysis device which replaces the traditional dialysis catheter thrombolysis device, and avoids the problems that thrombus is fallen off in an official cavity in the thrombolysis process, so that the thrombus is easily triggered to enter a blood vessel of a patient, then the blood vessel is blocked, and the health of the patient is threatened.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a dialysis catheter thrombolysis device, comprising:
a connecting mechanism, wherein a passage is formed in the connecting mechanism, and one end of the connecting mechanism is connected with a double-cavity catheter on a patient;
the thrombolysis mechanism comprises an infusion tube with one end connected with the liquid medicine bag and the other end connected with the inside of the connecting mechanism and an infusion head with one end connected with the infusion tube and the other end extending into the double-cavity catheter;
and the output end of the negative pressure mechanism is connected with the inside of the connecting mechanism, and when the negative pressure mechanism works, a passage in the connecting mechanism forms a negative pressure state.
As a preferable mode of the dialysis catheter thrombolysis device of the utility model, the connecting mechanism comprises a first connecting piece with one end connected with the double-cavity catheter on the patient and a second connecting piece with one end connected with the first connecting piece and the other end respectively connected with the infusion tube and the negative pressure mechanism.
As a preferred embodiment of the dialysis catheter thrombolysis device according to the present utility model, the first connector comprises a main tube and a first shunt and a second shunt communicating with the main tube;
the second connecting piece is identical to the first connecting piece in structure.
As a preferable scheme of the dialysis catheter thrombolysis device, the top of the main pipe is provided with a first connector, and the bottom of the first shunt pipe is provided with a second connector;
the connecting mechanism further comprises a first connecting seat, one end of the first connecting seat is connected with the first connector of the second connecting piece, the other end of the first connecting seat is connected with the second connector of the first connecting piece, and a second connecting seat, one end of the second connecting seat is connected with the second connector of the second connecting piece.
As a preferable scheme of the dialysis catheter thrombolysis device of the utility model, a third connector connected with one end of the second connecting seat far away from the second connecting piece is arranged at one end of the infusion tube far away from the liquid medicine bag.
As a preferred embodiment of the dialysis catheter thrombolysis device of the present utility model, wherein the negative pressure mechanism comprises a syringe connected to the second shunt of the second connector;
the first shunt tube and the second shunt tube of the first connecting piece and the second shunt tube of the second connecting piece are respectively provided with a pipe clamp.
Compared with the prior art, the dialysis catheter thrombolysis device has the beneficial effects that the negative pressure state is formed by the passage in the connecting mechanism through the negative pressure mechanism, at the moment, the liquid medicine in the infusion tube in the passage of the connecting mechanism is extruded into the double-cavity catheter on the patient body through the infusion head, the liquid medicine thrombolyzes thrombus in the double-cavity catheter, the traditional dialysis catheter thrombolysis device is replaced, and the problems that thrombus is caused to fall off in the cavity in the thrombolysis process, and then the thrombus is easily caused to enter the blood vessel of the patient to block the blood vessel and cause threat to the health of the patient are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic diagram of a dialysis catheter thrombolysis device according to the present utility model;
FIG. 2 is a structural exploded view of a dialysis catheter thrombolysis device according to the present utility model;
fig. 3 is a cross-sectional view of a first connector of a dialysis catheter thrombolysis device of the present utility model.
In the figure: 100. a connecting mechanism; 110. a first connector; 110a, a main pipe; 110a-1, a first connector; 110b, a first shunt; 110b-1, a second connector; 110c, a second shunt tube; 120. a second connector; 130. a first connection base; 140. a second connecting seat; 200. a thrombolysis mechanism; 210. an infusion tube; 210a, a third connector; 220. an infusion head; 300. and a negative pressure mechanism.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a dialysis catheter thrombolysis device, which replaces the traditional dialysis catheter thrombolysis device, and avoids the problems that thrombus is fallen off in an official cavity in the thrombolysis process, so that the thrombus is easily triggered to enter a blood vessel of a patient, then the blood vessel is blocked, and the health of the patient is threatened.
Fig. 1-3 are schematic structural views of a dialysis catheter thrombolysis device according to the present utility model, and fig. 1-3 are detailed descriptions of the dialysis catheter thrombolysis device.
Example 1
Referring to fig. 1-3, the present utility model discloses a dialysis catheter thrombolysis device, the main body part of which comprises a connection mechanism 100, a thrombolysis mechanism 200 and a negative pressure mechanism 300.
The connection mechanism 100 is internally provided with a passage for facilitating the connection of the infusion tube 210 and a space for forming negative pressure therein, and one end of the connection mechanism 100 is connected with a double-cavity catheter on a patient for facilitating the connection of the infusion head 220 into the double-cavity catheter on the patient;
in this embodiment, the connection mechanism 100 includes a first connection member 110 having one end connected to the dual-lumen catheter on the patient and a second connection member 120 having one end connected to the first connection member 110 and the other end connected to the infusion tube 210 and the negative pressure mechanism 300, respectively, and the negative pressure mechanism 300 is operated to form a negative pressure state in the passages inside the first connection member 110 and the second connection member 120, so that the liquid medicine in the infusion tube 210 is extruded through the infusion head 220 and enters the dual-lumen catheter on the patient;
in this embodiment, the first connecting member 110 includes a main tube 110a, and a first shunt 110b and a second shunt 110c in communication with the main tube 110a, the main tube 110a is used for facilitating connection with the double-lumen catheter on the patient and the first shunt 110b of the second connecting member 120, the first shunt 110b is used for facilitating connection with the main tube 110a of the second connecting member 120 and with the infusion tube 210, and the third shunt is used for facilitating connection with the output end of the negative pressure mechanism 300;
the second connecting member 120 has the same structure as the first connecting member 110;
in this embodiment, a first connector 110a-1 is provided at the top of the main tube 110a for facilitating connection of the main tube 110a of the first connector 110 to the double lumen catheter on the patient and the main tube 110a of the second connector 120 to the first shunt 110b of the first connector 110, and a second connector 110b-1 is provided at the bottom of the first shunt 110b for facilitating connection of the first shunt 110b of the first connector 110 to the main tube 110a of the second connector 120 and connection of the first shunt 110b of the second connector 120 to the infusion tube 210;
the connection mechanism 100 further includes a first connection base 130 having one end connected to the first connector 110a-1 of the second connector 120 and the other end connected to the second connector 110b-1 of the first connector 110, and a second connection base 140 having one end connected to the second connector 110b-1 of the second connector 120, where the first connection base 130 is used to detachably connect the first connector 110 and the second connector 120, and the second connection base 140 is used to detachably connect the second connector 120 with the infusion tube 210.
The thrombolysis mechanism 200 is used for dissolving thrombus in a double-lumen catheter on a patient through liquid medicine, specifically, the thrombolysis mechanism 200 comprises an infusion tube 210 with one end connected with a liquid medicine bag and the other end connected with the inside of the connection mechanism 100 and an infusion head 220 with one end connected with the infusion tube 210 and the other end extending into the double-lumen catheter, the liquid medicine enters the infusion head 220 through the infusion tube 210, and when a negative pressure is formed in a passage in the connection mechanism 100, the liquid medicine in the infusion tube 210 is extruded into the double-lumen catheter on the patient through the infusion head 220;
in this embodiment, the end of the infusion tube 210 far away from the liquid medicine bag is provided with a third connector 210a connected with the end of the second connecting seat 140 far away from the second connecting piece 120, so as to facilitate connection between the infusion tube 210 and the second connecting piece 120.
The output end of the negative pressure mechanism 300 is connected with the inside of the connecting mechanism 100, and when the negative pressure mechanism 300 works, a passage in the connecting mechanism 100 forms a negative pressure state, so that the liquid medicine in the infusion tube 210 is extruded out through the infusion head 220;
in the present embodiment, the negative pressure mechanism 300 includes a syringe connected to the second shunt 110c of the second connector 120, and the air in the passage inside the connection mechanism 100 is drawn out by pumping the syringe, so that a negative pressure is formed in the passage inside the connection mechanism 100;
the first shunt 110b and the second shunt 110c of the first connector 110 and the second shunt 110c of the second connector 120 are provided with clamps, and the clamps on the second shunt 110c of the second connector 120 and the first shunt 110b of the first connector 110 are opened when the syringe is pulled, and the clamps on the second shunt 110c of the first connector 110 are clamped at the same time, so that the air tightness of the internal passage of the connection mechanism 100 is maintained.
In this embodiment, the specific usage flow is as follows: through connecting the connection mechanism 100 with the double-cavity catheter on the patient, then extending the infusion head 220 into the double-cavity catheter on the patient through the internal passage of the connection mechanism 100, forming a negative pressure state through the passage in the connection mechanism 100 by drawing the injector, and then extruding the liquid medicine in the infusion tube 210 into the double-cavity catheter on the patient through the infusion head 220, so that the liquid medicine dissolves the thrombus in the double-cavity catheter, the injection of the liquid medicine into the double-cavity catheter is not required, and the impact of the liquid medicine on the thrombus is avoided, so that the thrombus is prevented from falling off.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A dialysis catheter thrombolysis device comprising:
a connection mechanism (100) with a passage formed therein, one end of the connection mechanism (100) being connected to a double-lumen catheter on a patient;
a thrombolysis mechanism (200) comprising an infusion tube (210) with one end connected with the liquid medicine bag and the other end connected with the inside of the connecting mechanism (100), and an infusion head (220) with one end connected with the infusion tube (210) and the other end extending into the double-cavity catheter;
and the output end of the negative pressure mechanism (300) is connected with the inside of the connecting mechanism (100), and the negative pressure mechanism (300) enables a passage in the connecting mechanism (100) to form a negative pressure state when in operation.
2. The dialysis catheter thrombolysis device according to claim 1, wherein the connection means (100) comprises a first connection member (110) having one end connected to the dual lumen catheter on the patient and a second connection member (120) having one end connected to the first connection member (110) and the other end connected to the infusion tube (210) and the negative pressure means (300), respectively.
3. A dialysis catheter thrombolysis device according to claim 2, characterized in that said first connection (110) comprises a main tube (110 a) body and a first shunt tube (110 b) and a second shunt tube (110 c) in communication with said main tube (110 a) body;
the second connecting piece (120) is identical to the first connecting piece (110) in structure.
4. A dialysis catheter thrombolysis device according to claim 3, characterized in that the top of the main tube (110 a) is provided with a first connector (110 a-1) and the bottom of the first shunt tube (110 b) is provided with a second connector (110 b-1);
the connecting mechanism (100) further comprises a first connecting seat (130) with one end connected with the first connector (110 a-1) of the second connecting piece (120) and the other end connected with the second connector (110 b-1) of the first connecting piece (110), and a second connecting seat (140) with one end connected with the second connector (110 b-1) of the second connecting piece (120).
5. The dialysis catheter thrombolysis device according to claim 4, wherein the end of the infusion tube (210) far from the medical fluid bag is provided with a third connector (210 a) connected with the end of the second connector (140) far from the second connector (120).
6. The dialysis catheter thrombolysis device according to claim 5, wherein said negative pressure mechanism (300) comprises a syringe connected to said second shunt (110 c) of said second connector (120);
pipe clamps are arranged on the first shunt pipe (110 b) and the second shunt pipe (110 c) of the first connecting piece (110) and the second shunt pipe (110 c) of the second connecting piece (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319375.5U CN219721478U (en) | 2023-05-29 | 2023-05-29 | Dialysis catheter thrombolysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321319375.5U CN219721478U (en) | 2023-05-29 | 2023-05-29 | Dialysis catheter thrombolysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219721478U true CN219721478U (en) | 2023-09-22 |
Family
ID=88027979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321319375.5U Active CN219721478U (en) | 2023-05-29 | 2023-05-29 | Dialysis catheter thrombolysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219721478U (en) |
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2023
- 2023-05-29 CN CN202321319375.5U patent/CN219721478U/en active Active
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