CN217430063U - Ureter guide sheath with negative pressure controllable bending function - Google Patents
Ureter guide sheath with negative pressure controllable bending function Download PDFInfo
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- CN217430063U CN217430063U CN202221240402.5U CN202221240402U CN217430063U CN 217430063 U CN217430063 U CN 217430063U CN 202221240402 U CN202221240402 U CN 202221240402U CN 217430063 U CN217430063 U CN 217430063U
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- sheath
- sheath tube
- negative pressure
- tube seat
- bending
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Abstract
The utility model discloses a ureter guide sheath with negative pressure controllable bending, which comprises a sheath tube seat, a locking fixing part and a sheath tube, wherein the lower end of the sheath tube seat is provided with an internal thread groove, the lower end of the sheath tube seat is connected with the upper end of the locking fixing part, a sealing ring is arranged between the sheath tube seat and the locking fixing part, the lower end of the locking fixing part is connected with the upper end of the sheath tube, the locking fixing part comprises a fixing sleeve and an external thread sleeve, the fixing sleeve and the external thread sleeve are integrally formed, and the external thread sleeve is in threaded connection with the internal thread groove; the utility model discloses simple structure, reasonable in design, simple structure, whole convenient to detach and connection, it is sealed effectual, the in-process of the actual operation of being convenient for need the sheath pipe of the corresponding specification of replacement according to the use of reality, satisfies different patients' user demand better, can follow the soft mirror of ureter simultaneously and realize that arbitrary angle is crooked controllable, and the soft mirror of cooperation uses, solves the ureter guide sheath and is inhaling the limitation on the stone function.
Description
Technical Field
The utility model relates to a ureter guide sheath technical field specifically is a take controllable curved ureter guide sheath of negative pressure.
Background
The disposable ureteral guide sheath is used for urinary surgery and non-invasive construction of an operation channel to assist an endoscope and other instruments to enter a urinary cavity channel, so that a continuous operation channel is provided for the disposable ureteral guide sheath, the ureter can be protected when the instruments are repeatedly exchanged, the wound on the ureter is reduced, and meanwhile, a precise instrument and a soft lens are protected from being damaged.
The defects of the prior art are as follows:
the ureter guide sheath is common in the market and only is regarded as the apparatus passageway, can't carry out other operations, and the sheath pipe is whole with the sheath tube socket, can not dismantle the replacement, and practical function is poor, and the sheath pipe does not have gentle section, can not crooked, probably appears the problem that sheath pipe and sheath tube socket leaked in clinical simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take curved ureter guide sheath of controllable negative pressure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a ureteral guide sheath with negative pressure controllable bending comprises a sheath tube seat, a locking fixing part and a sheath tube, wherein an internal thread groove is formed in the lower end of the sheath tube seat, the lower end of the sheath tube seat is connected with the upper end of the locking fixing part, a sealing ring is arranged between the sheath tube seat and the locking fixing part, and the lower end of the locking fixing part is connected with the upper end of the sheath tube;
the locking fixing part comprises a fixing sleeve and an external thread sleeve, the fixing sleeve and the external thread sleeve are integrally formed, the external thread sleeve is in threaded connection with the internal thread groove, and the upper end of the sheath tube is arranged inside the fixing sleeve.
Preferably, the sheath tube comprises a hard tube section and a hose end, the hard tube section and the hose end are integrally formed, the bending angle of the hose end is 0-270 degrees, and the bending diameter of the hose end is 5-25 mm.
Preferably, the sheath tube comprises an inner layer, an outer layer and a middle layer, wherein the inner layer is made of PTFE (polytetrafluoroethylene), the outer layer is a film, and the middle layer comprises any one of a metal spring wire, a flexible woven layer and a universal snake bone;
two or four corresponding through holes are formed in the wall of the sheath tube, a metal pulling rope is arranged in each through hole, one end of each pulling rope is connected with the head of the flexible section at the end of the hose, and the other end of each pulling rope is connected with a bending control adjusting device arranged on the sheath tube seat.
Preferably, the sheath tube seat comprises a main cavity and an auxiliary cavity, the main cavity and the auxiliary cavity are arranged in a Y shape, and a negative pressure adjusting hole is formed in one side of the auxiliary cavity of the sheath tube seat.
Preferably, the surface of the sheath is provided with a coating.
Preferably, one side of the sheath tube seat is provided with a connecting band, and the other end of the connecting band is provided with a cap.
Preferably, the length of the hose end is less than or equal to 100 mm.
Preferably, the other end of the auxiliary cavity is connected with a negative pressure bottle through a conduit.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the ureteral guide sheath with the negative pressure controllable bend, the internal thread groove is formed in the lower end of the sheath tube seat, the locking fixing piece comprises the fixing sleeve and the external thread sleeve, the external thread sleeve is in threaded connection with the internal thread groove, the sealing ring is arranged between the sheath tube seat and the locking fixing piece, the whole ureteral guide sheath is convenient to detach and connect, the sealing effect is good, the sheath tubes with corresponding specifications can be replaced according to actual use requirements in the actual operation process, and the use requirements of different patients can be better met;
2. according to the ureteral guide sheath with the negative-pressure controllable bend, the sheath tube is arranged, the sheath tube comprises the hard tube section and the hose end, the bending angle of the hose end is 0-270 degrees, the bending diameter of the hose end is 5-25 mm, the flexible bend-controllable ureteral guide sheath can follow a flexible ureteroscope to realize bending controllability of any angle, and the flexible ureteral guide sheath is matched with the flexible ureteroscope to be used, so that the limitation of the ureteral guide sheath on the function of stone suction is solved.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall side view of the present invention;
fig. 3 is a schematic structural view of the locking and fixing member of the present invention;
fig. 4 is a schematic view of the overall installation of the present invention;
fig. 5 is a schematic view of the hose end bending of the present invention;
fig. 6 is a schematic view of the connection of the pulling rope according to the present invention;
FIG. 7 is a cross-sectional view of two or four holes of the present invention;
fig. 8 is a cross-sectional view of the upper end of the sheath tube according to the present invention.
In the figure: 1. a sheath seat; 101. an internal thread groove; 102. a main chamber; 103. an auxiliary cavity; 104. a negative pressure regulating hole; 2. locking the fixing piece; 21. fixing a sleeve; 22. an external thread sleeve; 3. a sheath tube; 31. a hard pipe section; 32. a hose end; 4. a seal ring; 5. a connecting belt; 6. capping; 7. a negative pressure bottle; 8. a bending control adjusting device; 9. an inner layer; 10. an outer layer; 11. an intermediate layer; 12. a through hole; 13. a pull rope.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixed connections, arrangements, detachable connections, arrangements, or integral connections and arrangements. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-8, the utility model provides a ureteral access sheath with negative pressure controllable bending, which comprises: a ureteral guide sheath with negative pressure controllable bending comprises a sheath tube seat 1, a locking fixing part 2 and a sheath tube 3, wherein an inner thread groove 101 is formed in the lower end of the sheath tube seat 1, the lower end of the sheath tube seat 1 is connected with the upper end of the locking fixing part 2, a sealing ring 4 is sleeved between the sheath tube seat 1 and the locking fixing part 2, the lower end of the locking fixing part 2 is connected with the upper end of the sheath tube 3, the locking fixing part 2 comprises a fixing sleeve 21 and an outer thread sleeve 22, the fixing sleeve 21 and the outer thread sleeve 22 are integrally formed, the outer thread sleeve 22 is in threaded connection with the inner thread groove 101, the upper end of the sheath tube 3 is inserted into the fixing sleeve 21, through the threaded connection of the outer thread sleeve 22 and the inner thread groove 101, the sheath tube seat 1 and the sheath tube 3 can be rapidly installed and detached, so that sheath tubes 3 with different sizes and specifications can be selected, meanwhile, through the sealing of the sealing ring 4, the sealing effect between the sheath tube seat 1 and the sheath tube 3 can be increased, preventing leakage.
The sheath tube 3 comprises a hard tube section 31 and a hose end 32, the hard tube section 31 and the hose end 32 are integrally formed, the bending angle of the hose end 32 is 0-270 degrees, the bending diameter of the hose end 32 is 5-25 mm, any angle bending controllability is realized along with a flexible ureteroscope, the hose end 32 is matched with the flexible ureteroscope for use, the hose end can reach the position near a calculus along with the bending of the flexible ureteroscope, when the calculus is crushed, fine calculus powder can be quickly discharged out of a body along a ureter guide sheath, and by combining with the sleeving of a basket, the larger calculus can be completely removed in an operation, the postoperative natural calculus removing process is not needed, the operation visual field is clear, small calculus does not roll in the visual field, the operation efficiency is improved, the operation safety is improved, and the limitation of the ureter guide sheath on the calculus removing function is solved;
the sheath tube 3 comprises an inner layer 9, an outer layer 10 and a middle layer 11, referring to fig. 8, wherein the inner layer 9 is made of PTFE (polytetrafluoroethylene), the outer layer 10 is a film, and the middle layer 11 comprises any one of a metal spring wire, a flexible braided layer and a universal snake bone;
two or four corresponding through holes 12 are formed in the wall of the sheath tube 3, referring to fig. 7, a metal pulling rope 13 is arranged in each through hole 12, one end of each pulling rope 13 is connected with the head of the flexible section of the hose end 32, the other end of each pulling rope is connected and fixed with the bending control adjusting device 8 of the sheath tube seat 1, the pulling ropes 13 are tightened through the bending control adjusting devices 8, the sheath tube 3 is bent automatically, the bending angle is 0-270 degrees, the pulling ropes 13 in the corresponding two through holes 12 are pulled through the bending control adjusting devices 8 in the adjusting process, two-way bending can be achieved, the pulling ropes 13 in the four through holes 12 are pulled through the bending control adjusting devices 8, and multi-way bending can be achieved.
The sheath tube seat 1 comprises a main cavity 102 and an auxiliary cavity 103, a Y shape is formed between the main cavity 102 and the auxiliary cavity 103, negative pressure can be formed through the auxiliary cavity 103 and used for absorbing ureteral calculus or kidney calculus, a negative pressure adjusting hole 104 is formed in one side of the auxiliary cavity 103 of the sheath tube seat 1, and the pressure can be controlled by utilizing a plugging mode.
The surface of the sheath tube 3 is coated with a coating, so that the wound to a patient is reduced, and the clinical tube body can be conveniently placed in a lubricating mode.
One side of the sheath tube seat 1 is connected with a connecting band 5 in a hot melting way, and the other end of the connecting band 5 is connected with a cap 6 in a hot melting way, so that the upper end of the main cavity 102 is conveniently plugged.
The length of the hose end 32 is less than or equal to 100mm, and the flexible endoscope can be used together with a flexible mirror.
The other end of the auxiliary cavity 103 is connected with a negative pressure bottle 7 through a conduit, so that negative pressure is formed inside the auxiliary cavity 103.
The working principle of the utility model is as follows:
when the ureteral guide sheath with the negative pressure controllable bend is used, the sheath tube seat 1 and the sheath tube 3 can be quickly installed and detached through the threaded connection of the external thread sleeve 22 and the internal thread groove 101, so that the sheath tubes 3 with different sizes and specifications can be selected, meanwhile, through the sealing of the sealing ring 4, the sealing effect between the sheath tube seat 1 and the sheath tube 3 can be increased, leakage is prevented, any angle bending controllability along with a ureteral soft lens is realized, the flexible tube end 32 can reach the position near a calculus along with the bending of the ureteral soft lens when being matched with the soft lens to be used, when the calculus is crushed, fine calculus powder can be quickly discharged out of a body along the ureteral guide sheath, and by combining the sleeving of a basket, larger calculus can be completely removed in an operation, the process of postoperative natural calculus removal is not needed, the operation visual field is clear, and small calculus does not roll in the visual field, promote operation efficiency then, promote the security of operation, solve ureter guide sheath and inhale stone functional limitation, the whole convenient to detach of this device and connect, it is sealed effectual, the in-process of the actual operation of being convenient for replaces the sheath pipe 3 of corresponding specification according to the use needs of reality, satisfy different patients' user demand better, can follow ureter soft mirror simultaneously and realize arbitrary angle bending controllable, the cooperation soft mirror is used, solve ureter guide sheath and inhale stone functional limitation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a take controllable curved ureter guide sheath of negative pressure, includes sheath tube socket (1), locking mounting (2) and sheath pipe (3), its characterized in that: an internal thread groove (101) is formed in the lower end of the sheath tube seat (1), the lower end of the sheath tube seat (1) is connected with the upper end of the locking fixing piece (2), a sealing ring (4) is arranged between the sheath tube seat (1) and the locking fixing piece (2), and the lower end of the locking fixing piece (2) is connected with the upper end of the sheath tube (3);
locking mounting (2) are including fixed cover (21) and external screw thread cover (22), fixed cover (21) and external screw thread cover (22) integrated into one piece, external screw thread cover (22) and internal thread groove (101) threaded connection, the upper end setting of sheath pipe (3) is in the inside of fixed cover (21).
2. The ureteral access sheath with negative pressure controlled bending of claim 1, wherein: the sheath tube (3) comprises a hard tube section (31) and a hose end (32), the hard tube section (31) and the hose end (32) are integrally formed, the bending angle of the hose end (32) is 0-270 degrees, and the bending diameter of the hose end (32) is 5-25 mm.
3. The ureteral access sheath with negative pressure controlled bending of claim 2, wherein: the sheath tube (3) comprises an inner layer (9), an outer layer (10) and a middle layer (11), wherein the inner layer (9) is made of PTFE (polytetrafluoroethylene), the outer layer (10) is a film, and the middle layer (11) comprises any one of a metal spring wire, a flexible braided layer and a universal snake bone;
two or four through-holes (12) that correspond are seted up on sheath pipe (3) wall, be provided with metal pulling rope (13) in through-hole (12), the one end and the flexible section head of hose end (32) of pulling rope (13) are connected, and the other end is connected with curved adjusting device (8) of accuse that set up on sheath pipe seat (1).
4. The ureteral access sheath with negative pressure controlled bending of claim 1, wherein: sheath tube seat (1) is including main cavity (102) and auxiliary chamber (103), be the Y type setting between main cavity (102) and auxiliary chamber (103), sheath tube seat (1) is provided with negative pressure regulation hole (104) in one side of auxiliary chamber (103).
5. The ureteral access sheath with negative pressure controlled bending of claim 1, wherein: the surface of the sheath tube (3) is provided with a coating.
6. The ureteral access sheath with negative pressure controlled bending of claim 1, wherein: one side of the sheath tube seat (1) is provided with a connecting band (5), and the other end of the connecting band (5) is provided with a cap (6).
7. The ureteral access sheath with negative pressure controlled bending of claim 2, wherein: the length of the hose end (32) is less than or equal to 100 mm.
8. The ureteral access sheath with negative pressure controlled bending of claim 4, wherein: the other end of the auxiliary cavity (103) is connected with a negative pressure bottle (7) through a conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221240402.5U CN217430063U (en) | 2022-05-23 | 2022-05-23 | Ureter guide sheath with negative pressure controllable bending function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221240402.5U CN217430063U (en) | 2022-05-23 | 2022-05-23 | Ureter guide sheath with negative pressure controllable bending function |
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| Publication Number | Publication Date |
|---|---|
| CN217430063U true CN217430063U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221240402.5U Active CN217430063U (en) | 2022-05-23 | 2022-05-23 | Ureter guide sheath with negative pressure controllable bending function |
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| CN (1) | CN217430063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117137574A (en) * | 2023-08-25 | 2023-12-01 | 广州医科大学附属第一医院（广州呼吸中心） | Initiative bendable guiding sheath tube |
-
2022
- 2022-05-23 CN CN202221240402.5U patent/CN217430063U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117137574A (en) * | 2023-08-25 | 2023-12-01 | 广州医科大学附属第一医院（广州呼吸中心） | Initiative bendable guiding sheath tube |
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