CN219896605U - Head vein puncture indwelling vascular sheath before TIPS operation - Google Patents
Head vein puncture indwelling vascular sheath before TIPS operation Download PDFInfo
- Publication number
- CN219896605U CN219896605U CN202320713069.3U CN202320713069U CN219896605U CN 219896605 U CN219896605 U CN 219896605U CN 202320713069 U CN202320713069 U CN 202320713069U CN 219896605 U CN219896605 U CN 219896605U
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- Prior art keywords
- tube
- wall
- silica gel
- sheath
- pipe
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- 230000002792 vascular Effects 0.000 title claims abstract description 24
- 210000003462 vein Anatomy 0.000 title description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000741 silica gel Substances 0.000 claims abstract description 33
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 210000004731 jugular vein Anatomy 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000002980 postoperative effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 5
- 229920001296 polysiloxane Polymers 0.000 description 9
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003240 portal vein Anatomy 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002440 hepatic effect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a tip preoperative jugular vein puncture indwelling vascular sheath which comprises a silica gel mounting seat, a sheath tube, a needle tube, a three-way valve and guide tubes, wherein the sheath tube is integrally connected in the silica gel mounting seat in a penetrating way and respectively extends along the two sides of the outer part of an inlet end and an outlet end of a penetrating way, the needle tube is arranged in the sheath tube, the inlet end of the silica gel mounting seat is connected with the guide tube, an expansion tube integrally connected with the sheath tube is arranged in the guide tube, the inlet end of the guide tube is connected with a sealing cover assembly, the outer wall of the outlet end of the expansion tube is connected with the inner wall of the inlet end of the sheath tube, the outlet end of the expansion tube is communicated with the inlet end of the needle tube, the side wall of the silica gel mounting seat is connected with a side tube, one end of the side tube is connected with the outlet end of the three-way valve, and the other end of the side tube is communicated with the side part of the needle tube through the side wall of the silica gel mounting seat. The utility model can prevent the liquid leakage phenomenon, and can reduce the operation flow of an operating room and shorten the operation time.
Description
Technical Field
The utility model relates to the field of medical infusion apparatuses, in particular to a head vein puncture indwelling vascular sheath before TIPS operation.
Background
The TIPS interventional operation refers to an interventional treatment technology for reducing portal vein pressure through internal jugular vein puncture hepatic internal portal vein shunt operation. The jugular vein puncture is the first step of the TIPS operation, the smooth jugular vein puncture can finish the operation better and faster, the two-step method is generally adopted for partially developing the TIPS technology to finish the operation, the ultrasonic guiding internal jugular vein puncture is firstly carried out in a ward or an ultrasonic department, and then the operation is transferred to an interventional operation room for subsequent operation; however, during the subsequent operation and treatment process in the intervention operating room, the existing jugular puncture indwelling device has the problems of inconvenient operation, liquid leakage, unstable fixation and the like, and is easy to fall off, so that the phenomena of bleeding and the like of the puncture part occur, and the subsequent operation is difficult to be ensured to be carried out smoothly. For this reason, there is a need for an improved new jugular puncture indwelling device to address the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a vascular sheath for the jugular vein puncture retention before TIPS operation, which can prevent the leakage phenomenon, reduce the operation flow of an operating room and shorten the operation time. In order to achieve the above purpose, the present utility model adopts the following technical effects:
according to one aspect of the utility model, there is provided a TIPS preoperative jugular vein puncture indwelling vascular sheath, comprising a silica gel mounting seat, a sheath tube, a needle tube and a three-way valve, wherein the silica gel mounting seat 1 is provided with a penetrating channel, the sheath tube is integrally connected in the silica gel mounting seat 1 in a penetrating way and respectively extends along the two sides outside the inlet end and the outlet end of the penetrating channel, the needle tube is arranged in the sheath tube, the tip outlet of the needle tube leaks out of one side of the outlet of the sheath tube, the inlet end of the silica gel mounting seat is connected with a guide tube, an expansion catheter integrally connected with the sheath tube is arranged in the guide tube, the inlet end of the expansion catheter is lower than the inlet end of the guide tube, the inlet end of the guide tube is connected with a sealing cover assembly, the outlet end outer wall of the expansion catheter is connected with the inner wall of the inlet end of the sheath tube, one end of the expansion catheter is connected with the outlet end of the three-way valve, and the other end of the side catheter is connected with the outlet end of the needle tube through the side of the mounting seat.
The technical scheme is further preferable that the guide pipe inlet end is provided with a limiting clamp, and the inner wall of the sealing cover assembly is sequentially connected with the outer wall of the limiting clamp and the outer wall of the guide pipe in a threaded manner from top to bottom.
The sealing cover assembly comprises a flange sealing cover and a silica gel plug sheet, wherein the inner wall of the flange sealing cover is sequentially connected with the outer wall of the limiting clamping head and the outer wall of the guide pipe in a threaded manner from top to bottom, a downward conical groove is formed in the center of the top of the flange sealing cover, the outer wall of the conical groove extends into the inlet end of the guide pipe along the limiting clamping head, a passage port is formed in the center of the conical groove and located on the same axis with the expansion guide pipe, and the silica gel plug sheet used for sealing the passage port and the inlet end of the expansion guide pipe is arranged at the bottom of the conical groove.
The above solution further preferably provides that mutually symmetrical extrusion shields are arranged outside the bottom wall of the conical recess and on both sides outside the passage opening.
In the above scheme, it is further preferable that the lower surface of the silica gel plug sheet is provided with a protruding strip.
In the above scheme, it is further preferable that a locking cover is arranged at the transition joint between the outer wall of the inlet end of the silica gel mounting seat and the outside of the guide tube, and a needle cover is connected to one side of the outlet of the sheath tube.
The scheme is further preferable that the outer wall of the silica gel mounting seat below the three-way valve is connected with a needle holding ear, and the needle holding ear is connected with a magic tape.
In the above scheme, preferably, the height of the rear end side wall of the latch hook groove is lower than that of the front end side wall of the latch hook groove.
In summary, the utility model adopts the technical scheme, and has the following technical effects:
the vascular sheath can not only rapidly perform operations such as blood drawing or medicine injection into blood vessels, but also is simple and convenient to operate, can reduce the operation flow of an operating room and shorten the operation time, can ensure that no liquid leakage phenomenon occurs in the subsequent operation and treatment process of an interventional operating room, cannot swing or move along with random occurrence, and greatly reduces the risk of bending of the vascular sheath.
Drawings
FIG. 1 is a schematic view of the structure of a tip preoperative jugular puncture indwelling vascular sheath according to the present utility model;
FIG. 2 is a schematic view showing the internal structure of a tip preoperative jugular puncture indwelling vascular sheath according to the present utility model;
FIG. 3 is a schematic view of the mounting structure of the closure assembly of the present utility model;
FIG. 4 is a schematic view of the structure of the closure assembly of the present utility model;
in the drawing, a silica gel mounting seat 1, a sheath tube 2, a needle tube 3, a three-way valve 4, a guide tube 5, an expansion tube 6, a sealing cover assembly 7, a side tube 8, a locking cover 9, a needle cover 10, a needle holding lug 11, a magic tape 12, a limiting chuck 50, a flange sealing cover 70, a silica gel plug 71, a conical groove 72, a channel port 73, a pressing protection sheet 74 and a protruding strip 75.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the utility model, and that these aspects of the utility model may be practiced without these specific details.
Referring to fig. 1 and 2, a tip pre-operation jugular puncture indwelling vascular sheath according to the present utility model comprises a silicone mounting seat 1, a sheath tube 2, a needle tube 3 and a three-way valve 4, wherein the silicone mounting seat 1 is provided with a through passage, the sheath tube 2 is integrally connected in the silicone mounting seat 1 and respectively extends along both sides of the inlet end and the outlet end of the through passage, the needle tube 3 is arranged in the sheath tube 2, the tip of the needle tube 3 is leaked out of one side of the outlet of the sheath tube 2, a guide tube 5 is connected to the inlet end of the silicone mounting seat 1, an expansion catheter 6 integrally connected with the sheath tube 2 is arranged in the guide tube 5, the inlet end of the expansion catheter 6 is lower than the inlet end of the guide tube 5, a sealing cover assembly 7 is connected to the inlet end of the guide tube 5, the outer wall of the outlet end of the expansion catheter 6 is connected with the inner wall of the inlet end of the sheath tube 2, the outlet end of the expansion catheter 6 is communicated with the inlet end of the 3, a side catheter 8 is connected to the side of the silicone mounting seat 1, the side of the guide tube 8 is integrally connected to the inlet end of the sheath tube 2 through the inner wall of the sheath tube 2, the expansion catheter 6 is integrally connected to the one side of the other end of the guide tube 2 is integrally connected with the inlet end of the sheath tube 2, the expansion catheter 6 is integrally connected to the other end of the side of the expansion catheter 6 is integrally connected to the side of the guide tube 3, and the side of the sealing assembly is integrally connected to the sealing assembly 7, the sealing assembly is connected to the sealing tube 1, the sealing tube 3 is connected to the sealing tube 3, when blood flows through the needle tube 3 in the sheath tube 2 along the expansion catheter 6 and smoothly enters the blood vessel of a human body, the expansion catheter 6 is sealed and fixed by the sealing cover component 7, so that the phenomenon of leakage of the blood vessel sheath is prevented; the three-way valve 4 is connected with the silica gel mounting seat 1 and is communicated with the needle tube 3 in the sheath tube 2, and the three-way valve 4 controls the open and close states between the three-way valve 4 and the needle tube 3 to prevent liquid leakage; in the operation, the three-way valve 4 can be used for rapidly drawing blood or injecting medicines into blood vessels, so that the operation is simpler and more convenient, the operation flow of an operating room can be reduced, and the operation time can be shortened.
Referring to fig. 2, 3 and 4, the cover assembly 7 includes a flange cover 70 and a silicone plug 71, the inner wall of the flange cover 70 is screwed on the outer wall of the limiting chuck 50 and the outer wall of the guiding tube 5 from top to bottom in sequence, a downward conical groove 72 is provided at the center of the top of the flange cover 70, the outer wall of the conical groove 72 extends into the inlet end of the guiding tube 5 along the limiting chuck 50, a channel opening 73 is provided at the center of the conical groove 72, the channel opening 73 and the expanding tube 6 are located on the same axis, a silicone plug 71 for sealing the channel opening 73 and the inlet end of the expanding tube 6 is provided at the bottom of the conical groove 72, the flange cover 70 is sleeved on the guiding tube 5 through the limiting chuck 50, when the flange cover 70 is screwed down, the silicone plug 71 is tightly pressed on the channel opening 73 and the inlet of the expanding tube 6, the lower surface of the silicone plug 71 has a protruding strip 75, and the protruding strip 75 can be inserted into the expanding tube 6 to seal the inlet of the expanding tube 6.
As shown in fig. 3 and 4, mutually symmetrical pressing shields 74 are provided on both sides outside the bottom wall of the tapered recess 72 and outside the passage opening 73; when the expansion catheter 6 is used for transfusion or liquid suction into the needle tube 3, the cannula or the contact pin is inserted into the silica gel plug 71 and extends into the expansion catheter 6 for transfusion or liquid suction, then the flange sealing cover 70 is screwed down, the outer wall of the conical groove 72 is tightly attached to the outer wall of the inner cavity of the limiting clamp 50, the extrusion protecting sheet 74 is tightly pressed and protected on the outer wall of the expansion catheter 6, the extrusion protecting sheet 74 and the protruding strip 75 can be mutually extruded to seal the expansion catheter 6 in the screwing process of the flange sealing cover 70, and liquid leakage can not occur in the silica gel plug 71 after the cannula or the contact pin is pulled out.
As shown in fig. 1 and 2, a locking cover 9 is arranged at the transition joint between the outer wall of the inlet end of the silica gel mounting seat 1 and the outer part of the guide tube 5, the silica gel mounting seat 1 and the guide tube 5 are more firmly locked by screwing the locking cover 9, so that the whole puncture indwelling vascular sheath can be fixed and cannot swing along with random occurrence, the bending risk of the vascular sheath is greatly reduced, a needle cover 10 is connected to one side of the outlet of the sheath tube 2, and the needle cover 10 is used for protecting the tip part of the needle tube 3 and protecting the tip part from being polluted when the needle is not used.
As shown in fig. 1 and fig. 2, the outer wall of the silica gel mounting seat 1 below the three-way valve 4 is connected with a needle holding ear 11, the needle holding ear 11 is connected with a magic tape 12, and the magic tape 12 binds the vascular sheath with the body of a patient together to fix the vascular sheath, so that the vascular sheath is kept motionless, the use is convenient, and the possible pain of the patient caused by shifting and shaking the vascular sheath is greatly reduced.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (7)
1. The utility model provides a tip postoperative jugular vein puncture indwelling vascular sheath, includes silica gel mount pad, sheath pipe, needle tubing, three-way valve and guide tube, its characterized in that: the silica gel mount pad is provided with the through channel, the integrative through connection of sheath pipe in the silica gel mount pad just extends along the entry end of through channel and the outside both sides of exit end respectively, sets up in the sheath pipe the needle tubing, the tip export of needle tubing leaks in the export one side of sheath pipe outward, connects at the entry end of silica gel mount pad the guide pipe, be provided with in the guide pipe with the extension pipe that the sheath pipe is the integrated connection, the entry end of extension pipe is less than the entry end of guide pipe, is connected with the closing cap subassembly at the entry end of guide pipe, the exit end outer wall of extension pipe is connected with sheath pipe entry end inner wall, and the exit end of extension pipe with the entry end intercommunication of needle tubing, the lateral wall of silica gel mount pad is connected with the side pipe, and the one end of this side pipe is connected the three-way valve exit end, the other end of side pipe pass through the lateral wall of silica gel mount pad with the lateral part intercommunication of needle tubing.
2. A TIPS preoperative jugular vein puncture indwelling vascular sheath according to claim 1, wherein: the guide pipe is characterized in that a limiting clamp head is arranged at the inlet end of the guide pipe, and the inner wall of the sealing cover assembly is sequentially connected onto the outer wall of the limiting clamp head and the outer wall of the guide pipe from top to bottom in a threaded mode.
3. A TIPS preoperative jugular vein puncture indwelling vascular sheath according to claim 2, wherein: the sealing cover assembly comprises a flange sealing cover and a silica gel plug sheet, wherein the inner wall of the flange sealing cover is sequentially connected onto the outer wall of the limiting clamping head and the outer wall of the guide pipe in a threaded manner from top to bottom, a downward conical groove is formed in the center of the top of the flange sealing cover, the outer wall of the conical groove extends into the inlet end of the guide pipe along the limiting clamping head, a passage opening is formed in the center of the conical groove, the passage opening and the expansion guide pipe are located on the same axis, and the silica gel plug sheet used for sealing the passage opening and the inlet end of the expansion guide pipe is arranged at the bottom of the conical groove.
4. A TIPS preoperative jugular vein puncture indwelling vascular sheath according to claim 3, wherein: and mutually symmetrical extrusion protecting sheets are arranged on two sides outside the bottom wall of the conical groove and outside the passage opening.
5. A TIPS preoperative jugular vein puncture indwelling vascular sheath according to claim 3, wherein: the lower surface of the silica gel plug sheet is provided with a protruding strip.
6. A TIPS preoperative jugular vein puncture indwelling vascular sheath according to claim 1, wherein: the locking cover is arranged at the transition joint of the outer wall of the inlet end of the silica gel mounting seat and the outer part of the guide tube, and the needle cover is connected to one side of the outlet of the sheath tube.
7. A TIPS preoperative jugular vein puncture indwelling vascular sheath according to claim 1, wherein: needle holding lugs are connected to the outer wall of the silica gel mounting seat below the three-way valve, and magic tape is connected to the needle holding lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320713069.3U CN219896605U (en) | 2023-04-03 | 2023-04-03 | Head vein puncture indwelling vascular sheath before TIPS operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320713069.3U CN219896605U (en) | 2023-04-03 | 2023-04-03 | Head vein puncture indwelling vascular sheath before TIPS operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219896605U true CN219896605U (en) | 2023-10-27 |
Family
ID=88425429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320713069.3U Active CN219896605U (en) | 2023-04-03 | 2023-04-03 | Head vein puncture indwelling vascular sheath before TIPS operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219896605U (en) |
-
2023
- 2023-04-03 CN CN202320713069.3U patent/CN219896605U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |