CN220025845U - Variable-head-end-bending-degree negative-pressure suction ureter guide sheath - Google Patents
Variable-head-end-bending-degree negative-pressure suction ureter guide sheath Download PDFInfo
- Publication number
- CN220025845U CN220025845U CN202321426551.5U CN202321426551U CN220025845U CN 220025845 U CN220025845 U CN 220025845U CN 202321426551 U CN202321426551 U CN 202321426551U CN 220025845 U CN220025845 U CN 220025845U
- Authority
- CN
- China
- Prior art keywords
- sheath
- wedge
- negative pressure
- head end
- changeable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000000626 ureter Anatomy 0.000 title claims abstract description 17
- 238000005452 bending Methods 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Prostheses (AREA)
Abstract
The utility model provides a negative pressure suction ureter guiding sheath with a changeable head end bending degree, and belongs to the technical field of ureter guiding sheaths. This changeable negative pressure of crooked degree of head end attracts ureter guiding sheath includes sheath pipe, flexion, sheath coupling, coupling assembling, screens cover and joint subassembly, the flexion sets up in sheath pipe lower part, flexion surface mounting has the enhancement mesh grid, sheath coupling cup joints in sheath pipe upper portion. According to the utility model, the clamping assembly is arranged, the clamping sleeve is sleeved on the upper part of the sheath pipe joint, when the wedge-shaped clamping block contacts the clamping ring, the spring is contracted, the wedge-shaped clamping block is retracted into the inner cavity of the bracket, and when the clamping sleeve is completely clamped with the sheath pipe joint, the wedge-shaped clamping block is driven to extend under the action of the spring and clamped on the lower part of the clamping ring, so that the fixing and limiting of the clamping sleeve and the sheath pipe joint are realized; after the clamping sleeve is used, the clamping sleeve can be taken out by pulling the pull ring to drive the wedge-shaped clamping block to retract into the inner cavity of the bracket through the pull rod, so that independent disassembly is realized, and the clamping sleeve can be reused.
Description
Technical Field
The utility model relates to the field of ureter guiding sheaths, in particular to a negative pressure suction ureter guiding sheath with a changeable head end bending degree.
Background
The ureter is a conduit connecting the kidneys and the bladder, approximately 25-30cm in length. In some cases, the physician needs to perform a treatment or diagnosis through the ureter, for example, in a kidney stone surgery, to remove stones through the ureter. In order to accurately place the catheter and avoid injuring the patient's tissue, ureteral access sheaths are often used. By using a ureteral introducer sheath, a physician can more accurately place the catheter and can shorten the procedure time and reduce the risk of the procedure. It is widely used in urology procedures and has become an indispensable treatment and examination tool for many urologists.
The existing ureter guiding sheath, a sheath pipe joint of the guiding sheath and an expander joint are usually clamped and fixed by clamping pieces, but the clamping pieces are generally fixedly connected with the expander joint, so that the clamping pieces cannot be detached, are inconvenient to use and cannot be reused.
Disclosure of Invention
In order to overcome the above disadvantages, the present utility model provides a negative pressure suction ureteral introducer sheath with a changeable bending degree of the head end, which overcomes the above technical problems or at least partially solves the above problems.
The utility model is realized in the following way:
the utility model provides a negative pressure suction ureter guiding sheath with a changeable head end bending degree, which comprises a sheath tube, a bending part, a sheath tube joint, a connecting component, a clamping sleeve and a clamping component, wherein the bending part is arranged at the lower part of the sheath tube, a reinforced woven net is arranged on the surface of the bending part, the sheath tube joint is sheathed at the upper part of the sheath tube, a clamping ring is fixedly arranged at the upper part of the sheath tube joint, the upper part of the sheath tube joint is clamped with the clamping sleeve, and the clamping component comprises
The brackets are symmetrically and fixedly arranged on the side walls of the clamping sleeves;
the wedge-shaped clamping block is slidably mounted in the inner cavity of the bracket, and a pull rod is fixedly mounted at one end of the wedge-shaped clamping block.
In a preferred scheme, the side wall of the wedge-shaped clamping block is symmetrically and fixedly provided with sliding blocks, the inner cavity of the bracket is symmetrically provided with sliding grooves, and the sliding blocks are in sliding connection with the sliding grooves.
In a preferred scheme, the pull rod surface is sleeved with a spring, one end of the spring is abutted with the support, and the other end of the spring is abutted with the wedge-shaped clamping block.
In a preferred scheme, one end of the pull rod is fixedly provided with a pull ring.
In a preferred embodiment, a tip portion is connected to the lower portion of the curved portion.
In a preferred embodiment, the sheath lumen is connected to a dilating tube and a guidewire.
In a preferred scheme, the side wall of the sheath tube is communicated with a liquid inlet pipe and a negative pressure liquid suction pipe.
In a preferred scheme, the coupling assembling includes screwed pipe and thread bush, screwed pipe fixed mounting is in sheath coupling lower part, screwed pipe and sheath coupling switch on, thread bush fixed mounting is in sheath pipe upper portion, thread bush and sheath pipe switch on, screwed pipe and thread bush threaded connection, the sealing washer is installed to thread bush inner chamber.
The utility model provides a negative pressure suction ureter guiding sheath with changeable head end bending degree, which has the beneficial effects that:
1. the clamping assembly is arranged, the clamping sleeve is sleeved on the upper part of the sheath pipe joint, when the wedge-shaped clamping block contacts the clamping ring, the spring contracts, the wedge-shaped clamping block is retracted into the inner cavity of the bracket, and when the clamping sleeve is completely clamped with the sheath pipe joint, the wedge-shaped clamping block is driven to extend out under the action of the spring and clamped on the lower part of the clamping ring, so that the fixing and limiting of the clamping sleeve and the sheath pipe joint are realized; after the clamping sleeve is used, the clamping sleeve can be taken out by pulling the pull ring to drive the wedge-shaped clamping block to retract into the inner cavity of the bracket through the pull rod, so that independent disassembly is realized, and the clamping sleeve can be reused.
2. Through setting up coupling assembling, through with screwed pipe and thread bush threaded connection, can be connected sheath pipe and sheath coupling, through the sealing washer, improve the leakproofness and prevent the weeping, and demolish through split type design convenience, facilitate the use.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a perspective view provided by an embodiment of the present utility model;
FIG. 2 is an exploded view of an embodiment of the present utility model;
FIG. 3 is a schematic side view of a cross-sectional structure according to an embodiment of the present utility model;
FIG. 4 is an enlarged view of FIG. 3A according to an embodiment of the present utility model;
in the figure: 1. a sheath; 2. a bending portion; 201. reinforcing the woven mesh; 3. a tip portion; 4. expanding the tube; 5. a lead wire; 6. a liquid inlet pipe; 7. a negative pressure pipette; 8. a sheath tube joint; 801. a clasp; 9. a connection assembly; 901. a threaded tube; 902. a thread sleeve; 903. a seal ring; 10. a clamping sleeve; 11. a clamping assembly; 1101. a bracket; 1102. wedge-shaped clamping blocks; 1103. a slide block; 1104. a chute; 1105. a pull rod; 1106. a spring; 1107. and (5) a pull ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a flexible negative pressure of head end suction ureter guiding sheath, including sheath 1, bending portion 2, sheath coupling 8, coupling assembling 9, screens cover 10 and joint assembly 11, bending portion 2 sets up in sheath 1 lower part, bending portion 2 surface mounting has the enhancement mesh grid 201, can realize crooked, facilitate the use, bending portion 2 lower part is connected with tip portion 3, conveniently stretch into the urethra, sheath 1 inner chamber is connected with expansion pipe 4 and lead wire 5, during the use, expansion pipe 4 and sheath 1 get into the patient under the guide of lead wire 5, sheath 1 lateral wall intercommunication has feed liquor pipe 6 and negative pressure pipette 7, be used for the water injection to wash, and aspirate body fluid, sheath coupling 8 cup joints in sheath 1 upper portion, be used for connecting sheath 1, sheath coupling 8 upper portion fixed mounting has the snap ring 801, be used for joint screens cover 10, sheath coupling 8 upper portion joint has the screens cover 10, be used for inserting expansion pipe 4.
Referring to fig. 1-3, in a preferred embodiment, the connection assembly 9 includes a threaded tube 901 and a threaded sleeve 902, the threaded tube 901 is fixedly installed at the lower portion of the sheath tube joint 8 for screwing the threaded sleeve 902, the threaded tube 901 is in communication with the sheath tube joint 8, the threaded sleeve 902 is fixedly installed at the upper portion of the sheath tube 1 for connecting the sheath tube 1 with the sheath tube joint 8, the threaded sleeve 902 is in communication with the sheath tube 1, the threaded tube 901 is in threaded connection with the threaded sleeve 902, and a sealing ring 903 is installed in the inner cavity of the threaded sleeve 902 to improve the sealing performance.
In a preferred embodiment, during the use, through with screwed pipe 901 and threaded sleeve 902 threaded connection, can be with sheath pipe 1 and sheath coupling 8 are connected, through sealing washer 903, improve the leakproofness and prevent weeping, and remove through split type design convenience, facilitate the use.
Referring to fig. 1-4, in a preferred embodiment, the clamping assembly 11 includes a bracket 1101 and a wedge-shaped clamping block 1102, the bracket 1101 is symmetrically and fixedly installed on a side wall of the clamping sleeve 10, the wedge-shaped clamping block 1102 is used for installing the wedge-shaped clamping block 1102, the wedge-shaped clamping block 1102 is slidably installed in an inner cavity of the bracket 1101, the clamping sleeve 10 is fixedly connected with the sheath pipe joint 8, a pull rod 1105 is fixedly installed at one end of the wedge-shaped clamping block 1102, a sliding block 1103 is symmetrically and fixedly installed on a side wall of the wedge-shaped clamping block 1102, a sliding groove 1104 is symmetrically formed in the inner cavity of the bracket 1101, and the sliding block 1103 is slidably connected with the sliding groove 1104.
Referring to fig. 1-4, in a preferred embodiment, a spring 1106 is sleeved on the surface of the pull rod 1105 and is used for driving the wedge-shaped clamping block 1102, one end of the spring 1106 is abutted against the bracket 1101, the other end of the spring 1106 is abutted against the wedge-shaped clamping block 1102, and a pull ring 1107 is fixedly installed at one end of the pull rod 1105.
In a preferred embodiment, when in use, the clamping sleeve 10 is sleeved on the upper part of the sheath pipe joint 8, when the wedge-shaped clamping block 1102 contacts the clamping ring 801, the spring 1106 is contracted, the wedge-shaped clamping block 1102 is retracted into the inner cavity of the bracket 1101, and when the clamping sleeve 10 is completely clamped with the sheath pipe joint 8, the wedge-shaped clamping block 1102 is driven to extend under the action of the spring 1106 and clamped on the lower part of the clamping ring 801, so that the fixing and limiting of the clamping sleeve 10 and the sheath pipe joint 8 are realized; after the use, pulling the pull ring 1107 drives the wedge-shaped clamping block 1102 to be retracted into the inner cavity of the bracket 1101 through the pull rod 1105, so that the clamping sleeve 10 can be taken out, and the independent disassembly and the repeated use can be realized.
Specifically, the working process or working principle of the negative pressure suction ureter guiding sheath with the changeable head end bending degree is as follows: when the clamping sleeve 10 is used, the clamping sleeve 10 is sleeved on the upper part of the sheath pipe joint 8, when the wedge-shaped clamping block 1102 contacts the clamping ring 801, the spring 1106 contracts, the wedge-shaped clamping block 1102 is retracted into the inner cavity of the bracket 1101, and when the clamping sleeve 10 is completely clamped with the sheath pipe joint 8, the wedge-shaped clamping block 1102 is driven to extend under the action of the spring 1106 and clamped on the lower part of the clamping ring 801, so that the fixing and limiting of the clamping sleeve 10 and the sheath pipe joint 8 are realized; after the use, pulling the pull ring 1107 drives the wedge-shaped clamping block 1102 to be retracted into the inner cavity of the bracket 1101 through the pull rod 1105, so that the clamping sleeve 10 can be taken out, and the independent disassembly and the repeated use can be realized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a changeable negative pressure of crooked degree of head end attracts ureter guiding sheath, its characterized in that, including sheath pipe (1), bending portion (2), sheath coupling (8), coupling assembling (9), screens cover (10) and joint subassembly (11), bending portion (2) set up in sheath pipe (1) lower part, bending portion (2) surface mounting has reinforcing mesh grid (201), sheath coupling (8) cup joint in sheath pipe (1) upper portion, sheath coupling (8) upper portion fixed mounting has snap ring (801), sheath coupling (8) upper portion joint has screens cover (10), joint subassembly (11) include
The bracket (1101) is symmetrically and fixedly arranged on the side wall of the clamping sleeve (10);
the wedge-shaped clamping block (1102), wedge-shaped clamping block (1102) slidable mounting is in support (1101) inner chamber, wedge-shaped clamping block (1102) one end fixed mounting has pull rod (1105).
2. The negative pressure suction ureter guiding sheath with the changeable head end bending degree according to claim 1, wherein sliding blocks (1103) are symmetrically and fixedly arranged on the side walls of the wedge-shaped clamping blocks (1102), sliding grooves (1104) are symmetrically formed in the inner cavity of the bracket (1101), and the sliding blocks (1103) are in sliding connection with the sliding grooves (1104).
3. The negative pressure suction ureteral introducer sheath with the changeable head end bending degree according to claim 1, characterized in that a spring (1106) is sleeved on the surface of the pull rod (1105), one end of the spring (1106) is abutted with the bracket (1101), and the other end of the spring (1106) is abutted with the wedge-shaped clamping block (1102).
4. The negative pressure suction ureteral introducer sheath with the changeable bending degree of the head end according to claim 1, wherein a pull ring (1107) is fixedly arranged at one end of the pull rod (1105).
5. The negative pressure suction ureteral introducer sheath with the changeable bending degree of the head end according to claim 1, wherein the lower part of the bending part (2) is connected with a tip part (3).
6. The negative pressure suction ureteral guide sheath with the changeable bending degree of the head end according to claim 1, wherein an inner cavity of the sheath tube (1) is connected with an expansion tube (4) and a lead wire (5).
7. The negative pressure suction ureteral guide sheath with the changeable head end bending degree according to claim 1, wherein the side wall of the sheath tube (1) is communicated with a liquid inlet tube (6) and a negative pressure liquid suction tube (7).
8. The negative pressure suction ureteral introducer sheath with the changeable head end bending degree according to claim 1, characterized in that the connecting component (9) comprises a threaded pipe (901) and a threaded sleeve (902), the threaded pipe (901) is fixedly arranged at the lower part of the sheath pipe joint (8), the threaded pipe (901) is communicated with the sheath pipe joint (8), the threaded sleeve (902) is fixedly arranged at the upper part of the sheath pipe (1), the threaded sleeve (902) is communicated with the sheath pipe (1), the threaded pipe (901) is in threaded connection with the threaded sleeve (902), and a sealing ring (903) is arranged in an inner cavity of the threaded sleeve (902).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426551.5U CN220025845U (en) | 2023-06-06 | 2023-06-06 | Variable-head-end-bending-degree negative-pressure suction ureter guide sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321426551.5U CN220025845U (en) | 2023-06-06 | 2023-06-06 | Variable-head-end-bending-degree negative-pressure suction ureter guide sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220025845U true CN220025845U (en) | 2023-11-17 |
Family
ID=88727840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321426551.5U Active CN220025845U (en) | 2023-06-06 | 2023-06-06 | Variable-head-end-bending-degree negative-pressure suction ureter guide sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220025845U (en) |
-
2023
- 2023-06-06 CN CN202321426551.5U patent/CN220025845U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211327691U (en) | Built-in catheter kit | |
| CN220025845U (en) | Variable-head-end-bending-degree negative-pressure suction ureter guide sheath | |
| CN107374698B (en) | Visible dilating sheath for percutaneous nephroscope | |
| CN211560292U (en) | Percutaneous hepatic puncture biliary dilation radiography tube | |
| CN210933368U (en) | Catheter for flushing blood clots in bladder | |
| CN218528836U (en) | Thrombus suction device | |
| CN215018611U (en) | Thyroid gland puncture treatment device | |
| CN220025844U (en) | Flexible ureter guiding sheath with head end pressure control structure and independent water injection passage | |
| CN110251202B (en) | Braided wire type ureteral calculus blocking extractor | |
| CN109199530B (en) | Drainage tube assembly with function of cleaning blood clots and tissue fragments | |
| CN111714711B (en) | Bladder emptier | |
| CN215426864U (en) | Urethral catheter capable of urethral dilatation | |
| CN219764123U (en) | Bladder filling degree regulating controller | |
| CN211986448U (en) | Drainage tube | |
| CN219251118U (en) | Drainage tube for rinsing intervertebral space | |
| CN219963178U (en) | Novel ureteral stent and catheter integrated combination external member | |
| CN114177379B (en) | Disposable multifunctional flushing drainage device | |
| CN217566963U (en) | Bladder irrigation tube | |
| CN210992172U (en) | Irrigator used after anal fistula and perianal abscess operation | |
| CN221013221U (en) | Endoscope cleaning device | |
| CN219700039U (en) | Simple flushing stone-taking device | |
| CN215018471U (en) | Absorbable type guide sheath | |
| CN217612236U (en) | Simple bladder blood clot remover | |
| CN211749878U (en) | Manual fluid continuous perfusion device used in ureter soft lens operation | |
| CN212853798U (en) | Needle for lacrimal passage irrigation dilator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |