CN219397546U - Sheath pipe and neuroendoscopic sheath with feed liquor suction function - Google Patents
Sheath pipe and neuroendoscopic sheath with feed liquor suction function Download PDFInfo
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- CN219397546U CN219397546U CN202223378989.9U CN202223378989U CN219397546U CN 219397546 U CN219397546 U CN 219397546U CN 202223378989 U CN202223378989 U CN 202223378989U CN 219397546 U CN219397546 U CN 219397546U
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Abstract
The utility model discloses a sheath tube with a liquid inlet suction function, which comprises a tube body and a working channel, wherein the tube body surrounds the working channel, a front end channel opening is formed at the front end of the tube body in the working channel, a rear end channel opening is formed at the rear end of the tube body, and a sheath structure surrounding the front end channel opening is arranged at the front end of the tube body; the pipe body is characterized in that a liquid injection channel and a suction channel are formed in the pipe wall of the pipe body, the liquid injection channel comprises a liquid inlet and a liquid outlet, the suction channel comprises a suction opening and a discharge opening, and the liquid outlet and the suction opening are formed in the front end of the pipe body. The sheath tube is internally provided with a liquid injection channel and a suction channel, and can be matched with the working channel for use at the same time so as to improve the operation efficiency. The utility model also discloses a neuroendoscopic sheath comprising the sheath tube.
Description
Technical Field
The utility model relates to a surgical instrument, in particular to a sheath tube with a liquid suction function and a neuroendoscopic sheath.
Background
Neuroendoscopy is a tool used for viewing and manipulation in neurosurgery. For example, in a hypertensive cerebral hemorrhage operation, in order to remove an intracerebral hematoma in time and reduce intracranial pressure, a neuroendoscope is required to observe and position the position of the intracerebral hematoma, and then an aspirator is required to suck the intracerebral hematoma out.
The nerve endoscope comprises a nerve endoscope sheath and an endoscope, wherein the nerve endoscope sheath is used for providing a working channel for the endoscope, the aspirator and other surgical instruments to the position of hematoma in the brain so as to facilitate the endoscope, the aspirator and other surgical instruments to enter and exit the brain and perform corresponding operations.
The Chinese patent with the patent number of CN201120560185.3 discloses a fixable transparent neuroendoscope sheath, which comprises a sheath tube and a sheath core, wherein the sheath tube is made of transparent hard plastic, one end of the sheath tube is provided with a sheath head, a tube body of the sheath tube and the sheath head are in arc transition, and the other end of the sheath tube is provided with a stainless steel fixing sleeve head matched with a fixing device; the transparent sheath tube is internally provided with a sheath core, the sheath core is made of stainless steel, one end of the sheath core is provided with an end cover with an arc structure, the other end of the sheath core is provided with a positioning sleeve head, and the end cover end is inserted into the transparent sheath tube and is in clearance fit with the transparent sheath tube.
The sheath tube of the existing nerve endoscope sheath is a simple tube body, only a working channel is provided, only a surgical instrument can be operated, after the endoscope is used for observing and positioning the position of the hematoma in the brain, the endoscope is required to be pulled out of the sheath tube, then the aspirator is placed into the sheath tube to suck out the hematoma in the brain, the function is single, the operation is extremely inconvenient, and the operation efficiency is affected.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the sheath tube, wherein the sheath tube is internally provided with the liquid injection channel and the suction channel, and the sheath tube can be matched with the working channel for use at the same time so as to improve the operation efficiency.
The utility model also provides a neuroendoscopic sheath comprising the sheath tube.
The technical problems to be solved by the utility model are realized by the following technical scheme:
the sheath tube with the liquid inlet suction function comprises a tube body and a working channel, wherein the tube body surrounds the working channel, a front end channel opening is formed at the front end of the tube body in the working channel, a rear end channel opening is formed at the rear end of the tube body, and a sheath structure surrounding the front end channel opening is arranged at the front end of the tube body; the pipe body is characterized in that a liquid injection channel and a suction channel are formed in the pipe wall of the pipe body, the liquid injection channel comprises a liquid inlet and a liquid outlet, the suction channel comprises a suction opening and a discharge opening, and the liquid outlet and the suction opening are formed in the front end of the pipe body.
Further, the liquid injection channel and the suction channel which are positioned in the pipe wall of the pipe body extend along the axial direction of the pipe body and are parallel to the working channel.
Further, a first ridge and a second ridge are formed on the inner wall of the pipe body in a protruding mode, extend along the axial direction of the pipe body and are parallel to the working channel; the liquid injection channel is arranged in the first ridge, and the suction channel is arranged in the second ridge.
Further, the periphery of the rear end of the pipe body is provided with a liquid injection connecting part and a suction connecting part, the liquid injection channel extends to the inside of the liquid injection connecting part, the liquid inlet is formed on the liquid injection connecting part, the suction channel extends to the inside of the suction connecting part, and the discharge outlet is formed on the suction connecting part.
Further, the liquid injection connecting part is provided with a liquid inlet connector communicated with a liquid inlet of the liquid injection channel, and the suction connecting part is provided with a discharge connector communicated with the discharge port.
Further, the liquid injection channel in the liquid injection connecting part is vertical to the liquid injection channel in the pipe wall of the pipe body, and the suction channel in the suction connecting part is vertical to the suction channel in the pipe wall of the pipe body.
Further, the outer peripheral side face of the rear end of the pipe body is further provided with a handle, the pipe comprises a first handle body and a second handle body, an included angle is formed between the first handle body and the second handle body, and the first handle body and the second handle body are connected with a reinforcing part.
The utility model provides a neuroendoscopic sheath, includes sheath core and above-mentioned sheath pipe, the front end of sheath core is provided with the guiding sheath head, the sheath core can insert in the working channel of sheath pipe, when the sheath core inserts in the working channel of sheath pipe, the guiding sheath head of sheath core stretches out from in the guiding sheath structure of sheath pipe.
Further, the edge of the sheath structure and the edge of the sheath head are designed to be arc angles so as to be matched with each other.
Further, at least one limiting part is arranged on the periphery of the rear end of the sheath core, and when the sheath core is inserted into the working channel of the sheath tube, the limiting part abuts against the rear end of the sheath tube.
The utility model has the following beneficial effects: the sheath tube is provided with the liquid injection channel and the suction channel in the tube wall of the tube body, and is matched with the working channel for use, in the operation process, the liquid injection channel can be operated by an assistant or an automatic system, physiological saline, liquid medicine and the like are sprayed out of the liquid outlet for flushing or sterilizing the operation area, or flushing water is sprayed out of the liquid outlet for flushing the lens of the endoscope, the suction channel can also be operated by an assistant or an automatic system, the physiological saline, liquid medicine and the like which are flushed or sterilized to the operation area are sucked out of the suction opening, and even under the condition that no suction device is arranged, the operation of flushing, sterilizing, sucking and the like can be performed through the suction channel to suck bleeding of the operation area, so that the operation channel does not need to occupy the working channel, the operation channel is reserved for an endoscope or other operation instruments to the greatest extent, the frequency of switching operation instruments in the operation process of the working channel is reduced, and the operation efficiency is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a neuroendoscopic sheath provided by the present utility model.
Fig. 2 is an axial cross-sectional view of a neuroendoscopic sheath provided by the present utility model.
Fig. 3 is a radial cross-sectional view of a neuroendoscopic sheath provided by the present utility model.
Detailed Description
The present utility model is described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1-3, a sheath tube 1 with a liquid inlet suction function comprises a tube body 11 and a working channel 12, wherein the tube body 11 surrounds the working channel 12, a front end channel port is formed at the front end of the tube body 11, a rear end channel port is formed at the rear end of the tube body 11, and a sheath structure 17 surrounding the front end channel port is arranged at the front end of the tube body 11; the pipe wall of the pipe body 11 is internally provided with a liquid injection channel 13 and a suction channel 14, the liquid injection channel 13 comprises a liquid inlet 131 and a liquid outlet 132, the suction channel 14 comprises a suction inlet 141 and a discharge outlet 142, and the liquid outlet 132 and the suction inlet 141 are formed at the front end of the pipe body 11.
The sheath tube 1 is provided with the liquid injection channel 13 and the suction channel 14 in the tube wall of the tube body 11, and is used together with the working channel 12, in the operation process, the liquid injection channel 13 can be operated by an assistant or an automatic system, physiological saline or liquid medicine and the like are sprayed out of the liquid outlet 132 so as to flush or disinfect an operation area, or flushing water is sprayed out of the liquid outlet 132 so as to flush a lens of an endoscope, the suction channel 14 can also be operated by an assistant or an automatic system, the physiological saline or liquid medicine and the like which flush or disinfect the operation area can be sucked out of the suction port 141, and even under the condition that no suction device is provided, the operation such as flushing, disinfecting and suction can be performed through the suction channel 14 without occupying the working channel 12, the operation such as flushing, disinfecting and suction can be performed on the endoscope or other operation instruments to the maximum extent, the frequency of switching operation instruments in the operation process of the working channel 12 is reduced, and the operation efficiency is greatly improved.
The edge of the sheath structure 17 adopts an arc angle design to prevent the sheath tube 1 from damaging the tissue organs of the patient during the operation.
A liquid injection connecting part 18 and a suction connecting part 19 are arranged on the periphery of the rear end of the tube body 11, the liquid injection channel 13 extends into the liquid injection connecting part 18, the liquid inlet 131 is formed on the liquid injection connecting part 18, the suction channel 14 extends into the suction connecting part 19, and the discharge outlet 142 is formed on the suction connecting part 19; wherein, the liquid injection channel 13 and the suction channel 14 which are positioned in the pipe wall of the pipe body 11 extend along the axial direction of the pipe body 11 and are parallel to the working channel 12; the liquid injection channel 13 in the liquid injection connecting portion 18 is perpendicular to the liquid injection channel 13 in the pipe wall of the pipe body 11, and the suction channel 14 in the suction connecting portion 19 is perpendicular to the suction channel 14 in the pipe wall of the pipe body 11.
In this embodiment, the liquid injection connection portion 18 and the suction connection portion 19 are symmetrically disposed on both sides of the outer periphery of the tube body 11.
The liquid inlet connector 180 communicating with the liquid inlet 131 of the liquid inlet channel 13 is provided on the liquid inlet connection portion 18, and the discharge connector 190 communicating with the discharge port 142 is provided on the suction connection portion 19.
Before operation, the liquid inlet connector 180 is connected with a liquid injector, so that the liquid injector can spray physiological saline, liquid medicine and the like on an operation area or spray flushing water on a lens of an endoscope through the liquid injection channel 13 in the operation process; the drain connector 190 is connected to a negative pressure device for the negative pressure to create a negative pressure in the aspiration channel 14 during surgery, to aspirate the irrigated or sterile saline or medical fluid, etc., or to aspirate bleeding from the surgical field.
A first ridge 15 and a second ridge 16 are formed on the inner wall of the pipe body 11 in a protruding manner, and the first ridge 15 and the second ridge 16 extend along the axial direction of the pipe body 11 and are parallel to the working channel 12; the liquid injection channel 13 is disposed in the first ridge 15, and the suction channel 14 is disposed in the second ridge 16.
Still be provided with handle 120 on the periphery side of body 11 rear end, handle 120 set up in on the periphery side of body 11, be located annotate liquid connecting portion 18 and attract connecting portion 19 in the middle of, including first handle body 121 and second handle body 122, be the contained angle setting between first handle body 121 and the second handle body 122, just first handle body 121 and second handle body 122 are connected with reinforcing portion 123.
The handle 120 is used for holding by a doctor during the operation, so that the doctor can conveniently adjust the depth, position, direction and the like of the sheath tube 1 in the operation area.
Example two
As shown in fig. 1-3, a neuroendoscopic sheath comprises a sheath core 2 and the sheath tube 1 according to the first embodiment, wherein a guiding sheath head 21 is arranged at the front end of the sheath core 2, the sheath core 2 can be inserted into a working channel 12 of the sheath tube 1, and when the sheath core 2 is inserted into the working channel 12 of the sheath tube 1, the guiding sheath head 21 of the sheath core 2 protrudes from a guiding sheath structure 17 of the sheath tube 1.
In the surgical procedure, the sheath core 2 is inserted into the working channel 12 of the sheath 1, the sheath 1 and the sheath core 2 are then inserted into the patient from the operation port, and the sheath core 2 is then withdrawn from the sheath 1, so that surgical instruments such as an endoscope can be inserted into the working channel 12 of the sheath 1 to perform the operation.
The edge of the sheath head 21 is designed to be arc angle, and is matched with the sheath structure 17 of the sheath tube 1, so as to prevent the damage of the neuroendoscopic sheath to the tissue organ of the patient in the operation process.
At least one limiting part 22 is arranged on the periphery of the rear end of the sheath core 2, and when the sheath core 2 is inserted into the working channel 12 of the sheath tube 1, the limiting part 22 is propped against the rear end of the sheath tube 1.
In this embodiment, two limiting parts 22 are symmetrically disposed on two sides of the outer circumference of the sheath core 2, and correspond to the liquid injection connection part 18 and the suction connection part 19 on the sheath tube 1 respectively; when the limiting portion 22 abuts against the rear end of the sheath 1, one limiting portion 22 overlaps with the liquid injection connecting portion 18, and the other limiting portion 22 overlaps with the suction connecting portion 19.
Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present utility model and are not intended to limit the embodiments of the present utility model, and although the embodiments of the present utility model have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the embodiments of the present utility model may be modified or replaced with the same, and the modified or replaced technical solution may not deviate from the scope of the technical solution of the embodiments of the present utility model.
Claims (10)
1. The sheath tube with the liquid inlet suction function comprises a tube body and a working channel, wherein the tube body surrounds the working channel, a front end channel opening is formed at the front end of the tube body in the working channel, a rear end channel opening is formed at the rear end of the tube body, and a sheath structure surrounding the front end channel opening is arranged at the front end of the tube body; the pipe is characterized in that a liquid injection channel and a suction channel are formed in the pipe wall of the pipe body, the liquid injection channel comprises a liquid inlet and a liquid outlet, the suction channel comprises a suction opening and a discharge opening, and the liquid outlet and the suction opening are formed at the front end of the pipe body.
2. The sheath tube with the liquid inlet suction function according to claim 1, wherein a liquid injection channel and a suction channel which are positioned in the tube wall of the tube body extend along the axis direction of the tube body and are parallel to the working channel.
3. The sheath tube with the liquid suction function according to claim 2, wherein a first ridge and a second ridge are formed on the inner wall of the tube body in a protruding manner, extend along the axial direction of the tube body, and are parallel to the working channel; the liquid injection channel is arranged in the first ridge, and the suction channel is arranged in the second ridge.
4. The sheath tube with a liquid inlet suction function according to claim 1, wherein a liquid inlet connecting portion and a liquid suction connecting portion are provided on an outer periphery of a rear end of the tube body, the liquid inlet is formed on the liquid inlet connecting portion, the suction passage is extended into the suction connecting portion, and the discharge port is formed on the suction connecting portion.
5. The sheath tube with liquid suction function according to claim 4, wherein a liquid inlet connector communicated with a liquid inlet of the liquid injection channel is arranged on the liquid injection connecting portion, and a discharge connector communicated with the discharge port is arranged on the liquid suction connecting portion.
6. The sheath tube with liquid inlet suction function according to claim 4, wherein the liquid inlet channel in the liquid inlet connection part is perpendicular to the liquid inlet channel in the tube wall of the tube body, and the suction channel in the suction connection part is perpendicular to the suction channel in the tube wall of the tube body.
7. The sheath tube with the liquid suction function according to claim 1, wherein a handle is further arranged on the outer peripheral side face of the rear end of the tube body, the sheath tube comprises a first handle body and a second handle body, an included angle is formed between the first handle body and the second handle body, and the first handle body and the second handle body are connected with a reinforcing part.
8. A neuroendoscopic sheath comprising a sheath core and the sheath of any one of claims 1-7, wherein the front end of the sheath core is provided with a sheath head, the sheath core is insertable into the working channel of the sheath, and the sheath head of the sheath core protrudes from the sheath structure of the sheath when the sheath core is inserted into the working channel of the sheath.
9. The neuroendoscopic sheath of claim 8, wherein the edges of the sheath structure and the sheath head are each designed with an arc angle to mate with one another.
10. The neuroendoscopic sheath of claim 8, wherein at least one limiting portion is provided on the outer circumference of the rear end of the sheath core, the limiting portion abutting against the rear end of the sheath when the sheath core is inserted into the working channel of the sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223378989.9U CN219397546U (en) | 2022-12-16 | 2022-12-16 | Sheath pipe and neuroendoscopic sheath with feed liquor suction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223378989.9U CN219397546U (en) | 2022-12-16 | 2022-12-16 | Sheath pipe and neuroendoscopic sheath with feed liquor suction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219397546U true CN219397546U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223378989.9U Active CN219397546U (en) | 2022-12-16 | 2022-12-16 | Sheath pipe and neuroendoscopic sheath with feed liquor suction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219397546U (en) |
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2022
- 2022-12-16 CN CN202223378989.9U patent/CN219397546U/en active Active
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