CN213667100U - Intervertebral space drainage tube - Google Patents
Intervertebral space drainage tube Download PDFInfo
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- CN213667100U CN213667100U CN202022091003.4U CN202022091003U CN213667100U CN 213667100 U CN213667100 U CN 213667100U CN 202022091003 U CN202022091003 U CN 202022091003U CN 213667100 U CN213667100 U CN 213667100U
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Abstract
The utility model discloses an intervertebral space drainage tube, a serial communication port, include: the device comprises a tube body, a flushing cavity, a drainage cavity, a semicircular cone head end, a flushing tube joint, a transition joint, a waste liquid outlet tube, an impurity filtering ball, negative pressure suction equipment, a waste liquid collecting bottle, a side tube, a liquid collecting bag and a negative pressure suction ball bag; the intervertebral space drainage tube is internally provided with a washing cavity and a drainage cavity respectively, the cavities of the washing cavity and the drainage cavity are in eccentric design, and the inner diameter of the washing cavity is smaller than that of the drainage cavity, so that a channel can be unblocked during drainage, the drainage speed can be higher than the water inlet flushing speed, waste liquid after washing can be ensured to be led out in time, and the long-time compression of accumulated liquid in the intervertebral space on peripheral nerves in the operation is avoided; a special tissue debris filtering and collecting device is designed after the waste liquid is led out; can carry out special filtration collection to the tissue piece of drawing forth, avoid the piece to pile up at rear portion negative pressure equipment and body, cause the jam, influence the use of whole device.
Description
Technical Field
The utility model belongs to the drainage device field, concretely relates to intervertebral space drainage tube.
Background
At present, more and more patients with lumbar disc herniation exist, and there are two main ways to treat lumbar disc herniation: nucleus pulposus enucleation and artificial intervertebral disc implantation; the artificial intervertebral disc implantation can reconstruct the physiological anatomical structure of the intervertebral space and restore the physiological function of the intervertebral space, but has higher operation risk and higher cost; the nucleus pulposus extirpation is simple and easy to implement, and the mechanical compression of spinal nerve roots can be thoroughly relieved; however, the pain in waist and lower extremities of many patients after operation is not improved or is not obviously relieved, and the symptoms cannot be completely disappeared; this is associated with the release of chemicals from diseased nucleus pulposus tissue remaining in the intervertebral space after surgery, which stimulates nerve roots and leads to chemical radiculitis; the diseased nucleus pulposus tissue can also cause infection and inflammation of tissues in the intervertebral space, so that excessive tissue effusion is caused, and the compression is caused to nerves;
if the intervertebral space is washed in the spinal cord extirpation, the residual diseased nucleus pulposus tissue is washed clean, and the spinal cord extirpation has obvious prevention effect on postoperative complications such as low back pain and the like; in the flushing process, flushing is needed while flushing waste liquid is led out, if a single-cavity drainage tube is used, two drainage tubes are required to be arranged in an intervertebral space, but the operation of arranging the drainage tubes in the intervertebral space between vertebras is complicated and fine, the two drainage tubes are respectively arranged, so that the wound is increased, the operation time is prolonged, and the risk of nerve injury is increased; at present, a double-cavity drainage tube is also provided, which can realize flushing and drainage by being placed once, but the inner diameters of two cavities of the drainage tube are as large as each other, the waste liquid discharged by drainage contains tissue fragments, the fragments are easily accumulated if the drainage cavity is too narrow, the drainage speed is reduced, the flushing cavity is flushed by normal water injection, and the flushing water injection speed is higher than the drainage speed, so that water accumulation in the intervertebral space can be caused, nerves are pressed for a long time, and irreversible damage can be caused to a patient after operation; in addition, the existing drainage tube does not have special filtering equipment, and can not filter and collect tissue debris independently, so that the drainage device is easy to block.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model designs an intervertebral space drainage tube, which is internally provided with a washing cavity and a drainage cavity respectively, the cavities of the washing cavity and the drainage cavity are designed eccentrically, and the inner diameter of the washing cavity is smaller than that of the drainage cavity, so that a channel can be unblocked during drainage, the drainage speed can be faster than the water inlet flushing speed, waste liquid after washing can be ensured to be drawn out in time, and the long-time compression of the accumulated liquid in the intervertebral space on peripheral nerves in the operation is avoided; a special tissue debris filtering and collecting device is designed after the waste liquid is led out; can carry out special filtration collection to the tissue piece of drawing forth, avoid the piece to pile up at rear portion negative pressure equipment and body, cause the jam, influence the use of whole device.
In order to achieve the technical effects, the utility model discloses a realize through following technical scheme: an intervertebral space drainage tube, comprising: the device comprises a tube body, a flushing cavity, a drainage cavity, a semicircular cone head end, a flushing tube joint, a transition joint, a waste liquid outlet tube, an impurity filtering ball, negative pressure suction equipment, a waste liquid collecting bottle, a side tube, a liquid collecting bag and a negative pressure suction ball bag;
the tube body is internally provided with a washing cavity and a drainage cavity respectively, the cavities of the washing cavity and the drainage cavity are cylindrical hollow, and the two cylindrical hollows are in eccentric design; the inner diameter of the washing cavity is smaller than that of the drainage cavity; the head end of the pipe body is connected with the head end of the semi-circular cone; the flushing cavity is led out from the side wall of the tube body and is connected with a flushing tube joint; the tail end of the pipe body is connected with one end of a transition joint, and the other end of the transition joint is detachably connected with a waste liquid outlet pipe; the waste liquid eduction tube is connected with a negative pressure suction device and then is connected with a waste liquid collecting bottle through a waste liquid eduction tube; an impurity filtering ball is detachably connected on the waste liquid outlet pipe between the transition joint and the negative pressure suction equipment; the side wall of the tube body corresponding to the drainage cavity is detachably connected with one end of a side tube, the other end of the side tube is connected with a liquid collection bag, a negative pressure suction balloon is connected on the side tube between the tube body and the liquid collection bag, and a locking valve is also connected on the side tube; the transition joint is also detachably connected with a waste liquid outlet pipe, and the waste liquid outlet pipe is connected with a liquid collecting bag;
furthermore, a flushing outlet is formed at the head end of the semicircular cone and is communicated with the flushing cavity;
furthermore, a one-way valve is connected to the position, close to the head end, inside the flushing cavity; the one-way valve can only discharge water from the flushing cavity, and the water can not flow back to the flushing cavity;
furthermore, a side hole of the drainage cavity is formed in the side wall, close to the head end, of the drainage cavity;
furthermore, the upper end and the lower end of the impurity filtering ball are connected with a waste liquid outlet pipe joint, and a filter screen is connected inside the impurity filtering ball;
furthermore, the body that the drainage chamber corresponds is close to and is opened on the tail end department lateral wall and has the side pipe connector, and the sealed lid of detachable connection on the side pipe connector.
The utility model has the advantages that:
1. the intervertebral space drainage tube is internally provided with a flushing cavity and a drainage cavity in the same tube body, and the inner diameter size of the flushing cavity is smaller than that of the drainage cavity, so that the flushing liquid inlet speed is lower than that of the drainage liquid in the intervertebral space flushing drainage operation, flushing waste liquid can be discharged in time, and the phenomenon that liquid is accumulated in the intervertebral space in the operation to press peripheral nerves for a long time is avoided; in addition, the larger inner diameter of the drainage cavity can increase the flow which can pass in unit time, and the phenomenon that the drainage speed is influenced because impurities are easily accumulated when the waste liquid is mixed with the impurities is avoided;
2. the impurity filtering balls can uniformly filter and collect tissue debris in the extracted waste liquid, so that the tissue debris is prevented from flowing into the negative pressure suction equipment to cause blockage, and the use of the whole device is prevented from being influenced;
3. the one-way valve in the flushing cavity can ensure that the flushing cavity can only flush water entering the intervertebral space, and prevent flushing waste liquid from flowing back into the flushing cavity;
4. the side tube and the negative pressure suction saccule on the side tube can provide auxiliary negative pressure suction for the drainage cavity by the side tube through the action of repeatedly extruding and releasing the negative pressure suction saccule when waste liquid tissue debris is accumulated to a certain extent in the flushing drainage operation, so that the drainage negative pressure is increased, and more tissue debris is helped to be sucked to the impurity filter ball through the drainage cavity; the waste liquid mixed tissue debris led out from the side tube can enter the liquid collection bag through the negative pressure suction saccule;
5. after the intervertebral space washing drainage, if a patient needs to carry a drainage tube to drain effusion generated after the operation, a new drainage tube does not need to be arranged again, and only an impurity filtering ball, a negative pressure suction device and a waste liquid collecting bottle need to be taken down; connecting a new waste liquid drainage tube and connecting a liquid collection bag; simultaneously taking the lower side tube and the negative pressure suction saccule and the liquid collecting bag connected with the side tube; and the side pipe connecting opening is sealed by a sealing cover.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of an intervertebral drainage tube 1;
FIG. 2 is a schematic view of the overall structure of an intervertebral drainage tube 2;
FIG. 3 is an enlarged partial schematic view of an intervertebral drainage tube;
FIG. 4 is a schematic view of the structure of a foreign body filtering ball of an intervertebral space drainage tube;
FIG. 5 is a cross-sectional view of the tube body of an intervertebral drainage tube;
in the drawings, the components represented by the respective reference numerals are listed below:
1-tube body, 2-flushing cavity, 201-one-way valve, 3-drainage cavity, 301-drainage cavity side hole, 302-side tube connector, 4-semicircular cone end, 401-flushing outlet, 5-flushing tube connector, 6-transition connector, 7-waste liquid outlet tube, 8-impurity filtering ball, 801-waste liquid outlet tube connector, 802-filter screen, 9-negative pressure suction equipment, 10-waste liquid collecting bottle, 11-side tube, 1101-locking valve, 12-liquid collecting bag and 13-negative pressure suction ball bag.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example 1
An intervertebral space drainage tube, comprising: the device comprises a tube body 1, a flushing cavity 2, a drainage cavity 3, a semicircular conical head end 4, a flushing tube joint 5, a transition joint 6, a waste liquid eduction tube 7, an impurity filtering ball 8, a negative pressure suction device 9, a waste liquid collecting bottle 10, a side tube 11, a liquid collecting bag 12 and a negative pressure suction ball bag 13;
the washing cavity 2 and the drainage cavity 3 are respectively arranged in the tube body 1, the cavities of the washing cavity 2 and the drainage cavity 3 are cylindrical hollow, and the two cylindrical hollows are in eccentric design; the inner diameter of the washing cavity 2 is smaller than that of the drainage cavity 3; the flushing liquid inlet speed is lower than the drainage liquid inlet speed in the intervertebral space flushing drainage operation, so that flushing waste liquid can be discharged in time, and the phenomenon that liquid is accumulated in the intervertebral space in the operation to press peripheral nerves for a long time is avoided; in addition, the larger inner diameter of the drainage cavity 3 can increase the flow which can pass in unit time, and the phenomenon that the drainage speed is influenced because impurities are easily accumulated when the waste liquid is mixed with the impurities is avoided;
the head end of the pipe body 1 is connected with the head end 4 of the semi-circular cone; the flushing cavity 2 is led out from the side wall of the pipe body 1 and is connected with a flushing pipe joint 5; the tail end of the tube body 1 is connected with one end of a transition joint 6, and the other end of the transition joint 6 is detachably connected with a waste liquid outlet tube 7; the waste liquid eduction tube 7 is connected with a negative pressure suction device 9 and then is connected with a waste liquid collecting bottle 10 through a waste liquid eduction tube 7; an impurity filtering ball 8 is detachably connected on the waste liquid outlet pipe 7 between the transition joint 6 and the negative pressure suction equipment 9;
a side pipe connecting port 302 is formed in the side wall, close to the tail end, of the pipe body 1 corresponding to the drainage cavity 3, and a sealing cover is detachably connected to the side pipe connecting port 302; the sealing cover is opened, the side tube 11 can be connected to the side tube connecting opening 302, the other end of the side tube 11 is connected with the liquid collecting bag 12, the negative pressure suction balloon 13 is connected to the side tube 11 between the tube body 1 and the liquid collecting bag 12, and the locking valve 1101 is also connected to the side tube; when the side tube 11 is not needed, the side tube 11 is locked by the locking valve 1101, if the side tube 11 is needed, the locking valve 1101 is opened, the action of squeezing and releasing the negative pressure suction balloon 13 is repeated, auxiliary negative pressure suction is provided for the drainage cavity 3, the drainage negative pressure is increased, and more tissue debris is helped to pass through the drainage cavity 3 and be sucked to the impurity filter ball 8; the waste liquid mixed tissue debris led out from the side tube 11 enters the liquid collection bag 12 through the negative pressure suction balloon 13;
the transition joint 6 is also detachably connected with a waste liquid eduction tube 7, and the waste liquid eduction tube 7 is connected with a liquid collecting bag 12;
the head end 4 of the semicircular cone is provided with a flushing outlet 401, and the flushing outlet 401 is communicated with the flushing cavity 2; the flushing water flows out from the flushing outlet 401 through the flushing cavity 2;
a one-way valve 201 is connected to the position, close to the head end, inside the flushing cavity 2; the one-way valve 201 can only discharge water from the washing cavity 2, and washing waste liquid water can not flow back to the washing cavity 2;
a drainage cavity side hole 301 is formed in the side wall, close to the head end, of the drainage cavity 3; the side wall is provided with the holes, so that the waste liquid extraction area is increased, and simultaneously, the blockage caused by extraction of large tissue impurities can be avoided;
the upper end and the lower end of the impurity filtering ball 8 are connected with a waste liquid outlet pipe joint 801, and a filter screen 802 is connected inside the impurity filtering ball 8; the waste liquid outlet pipe joint 801 is detachably connected with a waste liquid outlet pipe 7, and the filter screen 802 can filter tissue debris mixed in waste liquid and uniformly collect the tissue debris in the impurity filter ball 8; avoid the waste liquid of mixed tissue piece to flow into negative pressure suction apparatus 9 and cause the jam, influence the use of whole device.
Example 2
An intervertebral space drainage tube, comprising: the device comprises a tube body 1, a flushing cavity 2, a drainage cavity 3, a semicircular conical head end 4, a flushing tube joint 5, a transition joint 6, a waste liquid eduction tube 7, an impurity filtering ball 8, a negative pressure suction device 9, a waste liquid collecting bottle 10, a side tube 11, a liquid collecting bag 12 and a negative pressure suction ball bag 13;
the washing cavity 2 and the drainage cavity 3 are respectively arranged in the tube body 1, the cavities of the washing cavity 2 and the drainage cavity 3 are cylindrical hollow, and the two cylindrical hollows are in eccentric design; the inner diameter of the washing cavity 2 is smaller than that of the drainage cavity 3; the flushing liquid inlet speed is lower than the drainage liquid inlet speed in the intervertebral space flushing drainage operation, so that flushing waste liquid can be discharged in time, and the phenomenon that liquid is accumulated in the intervertebral space in the operation to press peripheral nerves for a long time is avoided; in addition, the larger inner diameter of the drainage cavity 3 can increase the flow which can pass in unit time, and the phenomenon that the drainage speed is influenced because impurities are easily accumulated when the waste liquid is mixed with the impurities is avoided;
the head end of the pipe body 1 is connected with the head end 4 of the semi-circular cone; the flushing cavity 2 is led out from the side wall of the pipe body 1 and is connected with a flushing pipe joint 5; the tail end of the tube body 1 is connected with one end of a transition joint 6, and the other end of the transition joint 6 is detachably connected with a waste liquid outlet tube 7; the waste liquid eduction tube 7 is connected with a negative pressure suction device 9 and then is connected with a waste liquid collecting bottle 10 through a waste liquid eduction tube 7; an impurity filtering ball 8 is detachably connected on the waste liquid outlet pipe 7 between the transition joint 6 and the negative pressure suction equipment 9;
a side pipe connecting port 302 is formed in the side wall, close to the tail end, of the pipe body 1 corresponding to the drainage cavity 3, and a sealing cover is detachably connected to the side pipe connecting port 302; the sealing cover is opened, the side tube 11 can be connected to the side tube connecting opening 302, the other end of the side tube 11 is connected with the liquid collecting bag 12, the negative pressure suction balloon 13 is connected to the side tube 11 between the tube body 1 and the liquid collecting bag 12, and the locking valve 1101 is also connected to the side tube; when the side tube 11 is not needed, the side tube 11 is locked by the locking valve 1101, if the side tube 11 is needed, the locking valve 1101 is opened, the action of squeezing and releasing the negative pressure suction balloon 13 is repeated, auxiliary negative pressure suction is provided for the drainage cavity 3, the drainage negative pressure is increased, and more tissue debris is helped to pass through the drainage cavity 3 and be sucked to the impurity filter ball 8; the waste liquid mixed tissue debris led out from the side tube 11 enters the liquid collection bag 12 through the negative pressure suction balloon 13;
the transition joint 6 is also detachably connected with a waste liquid eduction tube 7, and the waste liquid eduction tube 7 is connected with a liquid collecting bag 12;
the head end 4 of the semicircular cone is provided with a flushing outlet 401, and the flushing outlet 401 is communicated with the flushing cavity 2; the flushing water flows out from the flushing outlet 401 through the flushing cavity 2;
a one-way valve 201 is connected to the position, close to the head end, inside the flushing cavity 2; the one-way valve 201 can only discharge water from the washing cavity 2, and washing waste liquid water can not flow back to the washing cavity 2;
a drainage cavity side hole 301 is formed in the side wall, close to the head end, of the drainage cavity 3; the side wall is provided with the holes, so that the waste liquid extraction area is increased, and simultaneously, the blockage caused by extraction of large tissue impurities can be avoided;
the upper end and the lower end of the impurity filtering ball 8 are connected with a waste liquid outlet pipe joint 801, and a filter screen 802 is connected inside the impurity filtering ball 8; the waste liquid outlet pipe joint 801 is detachably connected with a waste liquid outlet pipe 7, and the filter screen 802 can filter tissue debris mixed in waste liquid and uniformly collect the tissue debris in the impurity filter ball 8; the waste liquid of the mixed tissue debris is prevented from flowing into the negative pressure suction equipment 9 to cause blockage, and the use of the whole device is prevented from being influenced;
all the structures can be used in the intervertebral space flushing drainage operation, if a postoperative patient needs to carry a drainage tube to drain effusion generated after the operation, a new drainage tube does not need to be arranged again, and only the impurity filtering ball 8, the negative pressure suction device 9 and the waste liquid collecting bottle 10 need to be taken down; a new waste liquid drainage tube 7 is connected and a liquid collection bag 12 is connected; simultaneously taking down the side tube 11 and the negative pressure suction saccule 13 and the liquid collecting bag 12 connected on the side tube 11; and the side tube connecting opening 302 is sealed by a sealing cover, so that the drainage tube can be used as a postoperative drainage tube.
Example 3
The utility model discloses the embodiment of scheme:
1. after taking out nucleus pulposus in the intervertebral disc protrusion operation, inserting the head end of the drainage tube into the intervertebral space;
2. the flushing pipe connector is connected with a flushing pipe, a side pipe connecting port sealing cover is taken down, and the side pipe and a negative pressure suction saccule and a liquid collecting bag connected with the side pipe are arranged on the side pipe connecting port;
3. locking the side pipe with a locking valve on the side pipe;
4. the transition joint is connected with a waste liquid outlet pipe, and the waste liquid outlet pipe is sequentially connected with an impurity filtering ball, negative pressure suction equipment and a waste liquid collecting bottle;
5. starting to perform liquid injection flushing on the intervertebral space through the flushing cavity, and simultaneously opening the negative pressure suction equipment to lead out flushing waste liquid through the drainage cavity;
6. if too much tissue debris is led out in the waste liquid leading-out process, so that the negative pressure attraction is insufficient, the liquid leading-out speed is too low, the side tube locking valve can be opened, the negative pressure suction saccule is repeatedly squeezed and released, the auxiliary negative pressure attraction is provided for the drainage cavity, and the waste liquid and the debris led out from the side tube are led into the liquid collecting bag; other waste liquid flows into a waste liquid collecting bottle after being filtered by an impurity filtering ball from a waste liquid outlet pipe normally;
7. after the flushing operation, if a patient needs to carry a drainage tube to drain and discharge effusion possibly generated after the operation, the impurity filtering ball, the negative pressure suction device and the waste liquid collecting bottle are taken down; connecting a new waste liquid drainage tube and connecting a liquid collection bag;
8. simultaneously taking the lower side tube and the negative pressure suction saccule and the liquid collecting bag connected with the side tube; and the side pipe connecting opening is sealed by a sealing cover.
In conclusion, 1, the same tube body of the intervertebral space drainage tube is internally provided with the flushing cavity and the drainage cavity, and the inner diameter size of the flushing cavity is smaller than that of the drainage cavity, so that the flushing liquid inlet speed is lower than that of the drainage liquid in the intervertebral space flushing drainage operation, flushing waste liquid can be discharged in time, and the phenomenon that liquid is accumulated in the intervertebral space in the operation to cause long-time compression on peripheral nerves is avoided; in addition, the larger inner diameter of the drainage cavity can increase the flow which can pass in unit time, and the phenomenon that the drainage speed is influenced because impurities are easily accumulated when the waste liquid is mixed with the impurities is avoided;
2. the impurity filtering balls can uniformly filter and collect tissue debris in the extracted waste liquid, so that the tissue debris is prevented from flowing into the negative pressure suction equipment to cause blockage, and the use of the whole device is prevented from being influenced;
3. the one-way valve in the flushing cavity can ensure that the flushing cavity can only flush water entering the intervertebral space, and prevent flushing waste liquid from flowing back into the flushing cavity;
4. the side tube and the negative pressure suction saccule on the side tube can provide auxiliary negative pressure suction for the drainage cavity by the side tube through the action of repeatedly extruding and releasing the negative pressure suction saccule when waste liquid tissue debris is accumulated to a certain extent in the flushing drainage operation, so that the drainage negative pressure is increased, and more tissue debris is helped to be sucked to the impurity filter ball through the drainage cavity; the waste liquid mixed tissue debris led out from the side tube can enter the liquid collection bag through the negative pressure suction saccule;
5. after the intervertebral space washing drainage, if a patient needs to carry a drainage tube to drain effusion generated after the operation, a new drainage tube does not need to be arranged again, and only an impurity filtering ball, a negative pressure suction device and a waste liquid collecting bottle need to be taken down; connecting a new waste liquid drainage tube and connecting a liquid collection bag; simultaneously taking the lower side tube and the negative pressure suction saccule and the liquid collecting bag connected with the side tube; and the side pipe connecting opening is sealed by a sealing cover.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. An intervertebral space drainage tube, comprising: the device comprises a tube body, a flushing cavity, a drainage cavity, a semicircular cone head end, a flushing tube joint, a transition joint, a waste liquid outlet tube, an impurity filtering ball, negative pressure suction equipment, a waste liquid collecting bottle, a side tube, a liquid collecting bag and a negative pressure suction ball bag;
the tube body is internally provided with a washing cavity and a drainage cavity respectively, the cavities of the washing cavity and the drainage cavity are cylindrical hollow, and the two cylindrical hollows are in eccentric design; the inner diameter of the washing cavity is smaller than that of the drainage cavity; the head end of the pipe body is connected with the head end of the semi-circular cone; the flushing cavity is led out from the side wall of the tube body and is connected with a flushing tube joint; the tail end of the pipe body is connected with one end of a transition joint, and the other end of the transition joint is detachably connected with a waste liquid outlet pipe; the waste liquid eduction tube is connected with a negative pressure suction device and then is connected with a waste liquid collecting bottle through a waste liquid eduction tube; an impurity filtering ball is detachably connected on the waste liquid outlet pipe between the transition joint and the negative pressure suction equipment; the side wall of the tube body corresponding to the drainage cavity is detachably connected with one end of a side tube, the other end of the side tube is connected with a liquid collection bag, a negative pressure suction balloon is connected on the side tube between the tube body and the liquid collection bag, and a locking valve is also connected on the side tube; the transition joint is also detachably connected with a waste liquid eduction tube, and the waste liquid eduction tube is connected with a liquid collecting bag.
2. The intervertebral drainage tube of claim 1, wherein the semicircular vertebral head is provided with a flushing outlet, and the flushing outlet is communicated with the flushing cavity.
3. The intervertebral drainage tube of claim 1, wherein a one-way valve is connected inside the flushing lumen near the head end; the one-way valve can only discharge water from the flushing cavity, and the water can not flow back to the flushing cavity.
4. The intervertebral drainage tube of claim 1, wherein a side port of the drainage lumen is formed in a side wall of the drainage lumen adjacent to the head end.
5. The intervertebral space drainage tube of claim 1, wherein the upper and lower ends of the impurity filtering ball are connected with a waste liquid outlet pipe joint, and a filter screen is connected inside the impurity filtering ball.
6. The intervertebral drainage tube of claim 1, wherein the drainage lumen has a side tube connector on the side wall near the end of the drainage lumen, and the side tube connector is detachably connected with a sealing cover.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112190780A (en) * | 2020-09-22 | 2021-01-08 | 云南省中医医院(云南中医药大学第一附属医院) | Intervertebral space drainage tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112190780A (en) * | 2020-09-22 | 2021-01-08 | 云南省中医医院(云南中医药大学第一附属医院) | Intervertebral space drainage tube |
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