CN218529524U - Drainage catheter with flushing function - Google Patents
Drainage catheter with flushing function Download PDFInfo
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- CN218529524U CN218529524U CN202221805905.2U CN202221805905U CN218529524U CN 218529524 U CN218529524 U CN 218529524U CN 202221805905 U CN202221805905 U CN 202221805905U CN 218529524 U CN218529524 U CN 218529524U
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- catheter
- drainage
- needle assembly
- steel needle
- head end
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Abstract
The utility model provides a drainage catheter with flushing function, which comprises a catheter body, wherein the catheter body comprises a catheter body part and a catheter head end connected with the catheter body part, a first drainage channel is arranged in the catheter body part, a second drainage channel communicated with the first drainage channel is arranged in the catheter head end, flushing channels positioned at two sides of the first drainage channel are arranged in the catheter body part, and spiral diversion grooves corresponding to the two flushing channels are arranged at the position of the catheter body part close to the catheter head end; the utility model discloses following beneficial effect has: the utility model discloses can have towards and lavage ability to hematoma intracavity hematoma under the effect of the flush fluid that flows in two wash channels, hematoma flow direction first leakage fluid dram and second leakage fluid dram with higher speed, implementation clear blood that can be more quick, can carry out the drainage to the pipe front end and hematoma all around simultaneously under the effect of first leakage fluid dram and second leakage fluid dram, drainage effect is better.
Description
Technical Field
The utility model relates to a drainage catheter technical field especially relates to a drainage catheter of function is washed in area.
Background
The prior craniocerebral puncture multi-cavity drainage catheter is shown in figures 1 and 2: the catheter comprises a catheter head end a, a catheter liquid discharge port b, a catheter body c, a catheter center positioning rod d and a catheter auxiliary cavity channel e, wherein the catheter head end is mainly a rounded cambered surface so as to ensure that the catheter does not damage brain tissues in the intracranial placing process; the drainage port of the catheter is different from a straight hole and a side hole, and has the main function of being an outlet of hematoma drainage liquid which is generally arranged at two sides of the catheter and keeps a certain distance from the head end, and the drainage port needs to be completely introduced into a hematoma cavity when puncture drainage is carried out; the catheter body generally comprises a main drainage cavity and a secondary catheter cavity, and can also be in a cross structure as shown in the figure according to actual needs, and a catheter liquid outlet and a steel needle in the catheter are not arranged at the moment; the steel needle in the catheter is matched with the catheter for use, so that rigid support is provided for the catheter, a certain plugging capacity is also provided for the catheter, and the steel needle can be taken out for rescuing to conduct drainage after the catheter reaches a hematoma position in an operation; the auxiliary duct of the catheter is used for injecting solution into the hematoma duct during continuous drainage, so that drainage liquid and infusion liquid are separated.
The existing drainage catheter is arranged on two sides of the catheter due to a liquid discharge port, the drainage catheter needs to be further deeply inserted into the catheter until the liquid discharge port can reach a drainage affected part, the drainage affected part is small, a flat hematoma cavity cannot be completely cleared when drainage is performed, in order to obtain a good drainage effect, the liquid discharge port of the drainage catheter can be generally kept to a certain size, a cutting surface is often generated after the liquid discharge port is formed, the liquid discharge port of the catheter is easily contacted with brain tissues when entering the hematoma cavity, blood vessels and nerves, even important tissue functions are damaged, most of the auxiliary cavity of the catheter is arranged at the head end of the catheter, the direction of injection liquid medicine can only face the front of the catheter, the hematoma hemolysis effect on the lateral direction and the rear of the catheter is limited, the patient position or the catheter needs to be adjusted or the catheter is moved in the continuous drainage process, the postoperative infection probability is increased, the cross section of the auxiliary cavity can only meet the requirement of the injection liquid medicine, if continuous perfusion flushing is needed, the problems that the flushing pressure and the outlet of the auxiliary cavity are arranged at the head end of the catheter are solved, and the damage to intracranial tissues is easily caused.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, an object of the present invention is to provide a drainage catheter with flushing function, which is used for solving the problem of poor drainage effect in the prior art.
For realizing above-mentioned purpose and other relevant purpose, the utility model provides a drainage catheter of function is washed in area, including the pipe body, the pipe body include pipe body and with the pipe head end that pipe body portion is connected, be equipped with first drainage channel in the pipe body portion, be equipped with in the pipe head end with the second flowing back passageway of first drainage channel intercommunication, just be equipped with in the pipe body portion and be located the washing channel of first drainage channel both sides, pipe body portion is close to the spiral guiding gutter of corresponding two washing channels is seted up to the position of pipe head end, the spiral guiding gutter adopts the spiral gradually-open mode and reduces the cross-sectional depth gradually, and still forms an incomplete closed guide way in pipe body portion, the one end of washing channel is seted up and is located the flush fluid outlet of spiral guiding gutter head end, the both sides of pipe body portion are seted up and are located the first drainage mouth of spiral guiding gutter tail end, the central point of pipe head end position set up with the second flowing back mouth of second flowing back passageway intercommunication.
In an embodiment of the present invention, the catheter body is provided with a steel needle assembly body, the steel needle assembly body includes a steel needle assembly body, a steel needle assembly limiting portion connected to the steel needle assembly body, and a steel needle assembly head end connected to the steel needle assembly limiting portion, wherein the steel needle assembly body provides a rigid support for the catheter body.
In an embodiment of the present invention, the body of the needle assembly and the spacing portion of the needle assembly are wrapped in the first drainage channel, the head of the needle assembly is wrapped in the second drainage channel, and the diameter of the spacing portion of the needle assembly is greater than the diameter of the body of the needle assembly and the head of the needle assembly.
In an embodiment of the utility model, the aperture of first flowing back passageway is greater than the aperture of second flowing back passageway and flushing channel, first flowing back passageway is oval, second flowing back passageway is circular, flushing channel's cross-sectional shape is oval flat mouthful of shape, flushing channel is relative the flush fluid import has been seted up to the other end of pipe head end.
In an embodiment of the utility model, the aperture of second leakage fluid dram is greater than the aperture of flushing fluid outlet, the aperture of flushing fluid outlet is greater than the aperture of first leakage fluid dram, first leakage fluid dram with first drainage channel connects perpendicularly, wherein, the quantity of first leakage fluid dram is two.
As mentioned above, the utility model discloses a drainage catheter of function is washed in area has following beneficial effect:
the utility model discloses can have towards and lavage ability to hematoma intracavity hematoma under the effect of the flush fluid that flows in two wash channels, hematoma flow direction first drain outlet and second drain outlet with higher speed, can be more quick clear blood of implementation, can be simultaneously to the drainage of pipe front end and hematoma all around under the effect of first drain outlet and second drain outlet, the drainage effect is better, arrange in the both sides of first drain channel because wash the passageway, thereby can carry out unilateral or two side clear blood to special form hematoma, also influence pipe lateral wall smoothness nature like this, guarantee that the pipe does not produce cutting effect to the side direction tissue at the in-process of putting into, the setting that the multicavity was said has increased pipe self rigidity, can also can carry out effective clear blood to the extradural hematoma that presents bulk distribution.
Drawings
FIG. 1 is a schematic front view of a conventional craniocerebral puncture multi-cavity drainage catheter without a catheter center positioning rod;
FIG. 2 is a schematic front sectional view of an installed catheter center positioning rod of a multi-lumen drainage catheter for craniocerebral puncture;
fig. 3 is a schematic perspective view of a drainage catheter with flushing function disclosed in an embodiment of the present invention;
fig. 4 is a front view schematically illustrating a drainage catheter with a flushing function disclosed in an embodiment of the present invention;
fig. 5 is a schematic front sectional view of a drainage catheter with flushing function disclosed in an embodiment of the present invention;
fig. 6 is an enlarged schematic view of a drainage catheter with flushing function in fig. 5 according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a catheter body in a drainage catheter with irrigation in accordance with an embodiment of the present invention;
fig. 8 is a schematic view of the flushing drainage of the drainage catheter with flushing function disclosed in the embodiment of the present invention;
description of the element reference numerals
1. A catheter body portion; 2. a steel needle assembly body; 3. a steel needle assembly limiting part; 4. a head end of the steel needle assembly; 5. a catheter tip; 6. a first drain port; 7. a spiral diversion trench; 8. flushing the channel; 9. a first drain passage; 10. a second liquid discharge port; 11. a catheter body; 12. a steel needle assembly body; 13. a second liquid discharge channel; 14. a rinse liquid outlet; 15. and a flushing liquid inlet.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 3 to 8. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 3 to 8, the present invention provides a drainage catheter with flushing function, including a catheter body 11, the catheter body 11 includes a catheter body 1 and a catheter head end 5 connected to the catheter body 1, a first drainage channel 9 is provided in the catheter body 1, a second drainage channel 13 communicated with the first drainage channel 9 is provided in the catheter head end 5, and a flushing channel 8 located at two sides of the first drainage channel 9 is provided in the catheter body 1, the aperture of the first drainage channel 9 is larger than the apertures of the second drainage channel 13 and the flushing channel 8, the first drainage channel 9 is oval, the second drainage channel 13 is circular, the cross-sectional shape of the flushing channel 8 is oval flat, the arrangement of the oval flat shape increases the liquid output under the condition that the unit cross-section is limited, the other end of the flushing channel 8 opposite to the catheter head end 5 is provided with a flushing liquid inlet 15;
a spiral guide groove 7 corresponding to the two flushing channels 8 is formed in the position, close to the catheter head end 5, of the catheter body part 1, the spiral guide groove 7 adopts a spiral gradually-opening mode and gradually reduces the section depth, an incompletely-closed guide groove is formed in the catheter body part 1, a flushing liquid outlet 14 located at the head end of the spiral guide groove 7 is formed in one end of the flushing channel 8, first liquid discharge ports 6 located at the tail end of the spiral guide groove 7 are formed in two sides of the catheter body part 1, the first liquid discharge ports 6 are vertically connected with the first liquid discharge channels 9, the number of the first liquid discharge ports 6 is two, a second liquid discharge port 10 communicated with the second liquid discharge channels 13 is formed in the center of the catheter head end 5, and the aperture of the second liquid discharge port 10 is larger than that of the flushing liquid outlet 14;
the aperture of the flushing fluid outlet 14 is larger than that of the first liquid discharge port 6, a steel needle assembly body 12 is arranged in the catheter body 11, the steel needle assembly body 12 comprises a steel needle assembly body part 2, a steel needle assembly limiting part 3 connected with the steel needle assembly body part 2 and a steel needle assembly head end 4 connected with the steel needle assembly limiting part 3, wherein the steel needle assembly body 12 provides rigid support for the catheter body 11, the steel needle assembly body part 2 and the steel needle assembly limiting part 3 are wrapped in the first liquid discharge channel 9, the steel needle assembly head end 4 is wrapped in the second liquid discharge channel 13, the diameter of the steel needle assembly limiting part 3 is larger than that of the steel needle assembly body part 2 and the steel needle assembly head end 4, the steel needle assembly body 12 is designed for a straight-handle round-head steel needle, the steel needle assembly limiting part 3 can ensure that the steel needle assembly body 12 cannot penetrate through the second liquid discharge port 10, and the steel needle assembly head end 4 is consistent with the arc degree of the catheter body 5;
specifically, before the drainage catheter is used, the steel needle assembly body 12 is installed in the catheter body 11, the steel needle assembly head end 4 penetrates through the first liquid drainage channel 9 and is installed in the second liquid drainage channel 13, meanwhile, the steel needle assembly head end 4 blocks the first liquid drainage port 6 and the second liquid drainage port 10, then the steel needle assembly limiting part 3 and the steel needle assembly body part 2 are installed in the first liquid drainage channel 9, and under the action of the steel needle assembly limiting part 3, the steel needle assembly limiting part is installed in place and then is in interference fit with the catheter head end 5, so that the catheter head end 5 covers the steel needle assembly head end 4, and finally, a complete catheter head end 5 is formed, and the catheter head end 5 is smooth;
more specifically, when using drainage catheter, medical personnel mediate the degree of depth of putting into of pipe body 11 according to actual hematoma form, place pipe body 11 in patient's cranium need drainage position after, take out steel needle subassembly body 12, make first drain port 6 and second drain port 10 switch on, then adopt two sides or unilateral washing chamber way to wash the hematoma chamber, the flush fluid is when going out flush fluid export 14, partly along spiral guiding gutter 7 with hematoma promotion to first drain port 6, be inhaled in first drain passage 9, the entering of flush fluid has increased the mobility of hematoma intracavity blood, the discharge rate of bleeding has further been increased, partly flush fluid extends outward in addition, push pipe hematoma catheter head end 5 all around, under the suction effect of second drain port 10, be inhaled in second drain passage 13, because second drain port 10 opening size is bigger, the suction effect is better, hematoma waste liquid outflow speed with higher speed, play and the dual stack effect of drainage.
To sum up, the utility model discloses can have towards and lavage ability to hematoma intracavity hematoma under the effect of the flush fluid that flows in two wash away passageway 8, hematoma flow direction first drainage port 6 and second drainage port 10 with higher speed, implementation blood cleaning that can be more quick, can be simultaneously to the pipe front end with hematoma around with under the effect of second drainage port 10 drain, drainage effect is better, because wash away passageway 8 arranges in the both sides of first drainage port 9, thereby can carry out unilateral or two side blood cleaning to special form hematoma, do not influence pipe lateral wall smoothness like this, guarantee the pipe and do not produce the cutting effect to lateral tissue putting into the in-process, the setting of multicavity way has increased pipe self rigidity, can also can carry out effective blood cleaning to the extradural hematoma that presents the bulk distribution. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a drainage catheter of function is washed in area, includes the pipe body, the pipe body including the pipe body and with the pipe head end that the pipe body is connected, its characterized in that: be equipped with first drainage channel in the pipe body portion, be equipped with in the pipe head end with the second flowing back passageway of first drainage channel intercommunication, just be equipped with in the pipe body portion and be located the passageway that washes of first drainage channel both sides, pipe body portion is close to the position of pipe head end is seted up and is corresponded two spiral guiding gutters that wash the passageway, the one end of washing the passageway has been seted up and is located the flush fluid export of spiral guiding gutter head end, the both sides of pipe body portion have been seted up and have been located the first drainage mouth of spiral guiding gutter tail end, the central point of pipe head end put seted up with the second leakage fluid dram of second flowing back passageway intercommunication.
2. The drainage catheter with a flushing function according to claim 1, wherein: the catheter body is internally provided with a steel needle assembly body, and the steel needle assembly body comprises a steel needle assembly body part, a steel needle assembly limiting part connected with the steel needle assembly body part and a steel needle assembly head connected with the steel needle assembly limiting part.
3. The drainage catheter with a flushing function according to claim 2, wherein: the steel needle assembly body and the steel needle assembly limiting part are wrapped in the first liquid drainage channel, the steel needle assembly head end is wrapped in the second liquid drainage channel, and the diameter of the steel needle assembly limiting part is larger than that of the steel needle assembly body and that of the steel needle assembly head end.
4. The drainage catheter with a flushing function according to claim 1, wherein: the aperture of the first liquid drainage channel is larger than the apertures of the second liquid drainage channel and the flushing channel, the first liquid drainage channel is oval, the second liquid drainage channel is circular, the cross section of the flushing channel is oval and flat, and the flushing channel is opposite to the other end of the head end of the catheter and is provided with a flushing liquid inlet.
5. The drainage catheter with a flushing function according to claim 1, wherein: the spiral guide groove adopts a spiral involute mode, the section depth is gradually reduced, and an incompletely closed guide groove is formed on the catheter body.
6. The drainage catheter with a flushing function according to claim 1, wherein: the aperture of the second liquid discharge port is larger than that of the washing liquid outlet, the aperture of the washing liquid outlet is larger than that of the first liquid discharge port, and the first liquid discharge port is vertically connected with the first liquid discharge channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221805905.2U CN218529524U (en) | 2022-07-14 | 2022-07-14 | Drainage catheter with flushing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221805905.2U CN218529524U (en) | 2022-07-14 | 2022-07-14 | Drainage catheter with flushing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218529524U true CN218529524U (en) | 2023-02-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221805905.2U Active CN218529524U (en) | 2022-07-14 | 2022-07-14 | Drainage catheter with flushing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218529524U (en) |
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2022
- 2022-07-14 CN CN202221805905.2U patent/CN218529524U/en active Active
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