CN116172666A - Flexible, measurable intrarenal pressure type negative pressure ureteral sheath of head end - Google Patents
Flexible, measurable intrarenal pressure type negative pressure ureteral sheath of head end Download PDFInfo
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- CN116172666A CN116172666A CN202111497154.2A CN202111497154A CN116172666A CN 116172666 A CN116172666 A CN 116172666A CN 202111497154 A CN202111497154 A CN 202111497154A CN 116172666 A CN116172666 A CN 116172666A
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- sheath
- hose
- ureteral
- flexible
- pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3476—Powered trocars, e.g. electrosurgical cutting, lasers, powered knives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3435—Cannulas using everted sleeves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3437—Cannulas with means for removing or absorbing fluid, e.g. wicks or absorbent pads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
Abstract
The invention discloses a negative pressure ureteral sheath with a bendable and measurable head end and an intrarenal pressure type, which comprises a sheath and a drainage device, wherein the sheath comprises a front section part and a rear section part, the rear section part is a hard tube part, the front section part is a hose part, the hose part can bend along with the turning of an instrument penetrating into the ureteral sheath, at least one mounting position for mounting a medical optical fiber pressure sensor is arranged on the outer side surface of the end part of the hose part, and the medical optical fiber pressure sensor is fixedly mounted on the mounting position and led out through a signal feedback wire to be connected with a main control unit; the drainage device comprises a connecting pipe part and a drainage pipe part, the front end of the connecting pipe part is sleeved at the tail part of a tube sheath, the rear end of the connecting pipe part is provided with a horn-shaped opening, the drainage pipe part is fixedly connected to the side wall of the lower side of the connecting pipe part and is communicated with the tube sheath, the tail end of the drainage pipe part is connected with an aspirator with negative pressure suction, an elastic sealing cap is arranged outside the horn-shaped opening, and a through hole communicated with the ureter sheath is formed in the elastic sealing cap.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a negative pressure ureteral sheath with a bendable head end and a measurable intrarenal pressure.
Background
The ureteral sheath is used in the urology surgery, establishes a passageway that is convenient for endoscope and other apparatuses to get into the urinary tract, in order to lead to the change of the internal pressure of spittoon easily in the urology surgery, lead to the patient to appear fever, renal pelvis rupture bleeding etc. some listed complications easily, consequently need pass through the ureteral sheath through the manometric tube and carry out manometry in urology surgery appearance, this kind of mode not only troublesome operation, and delay time and efficiency of operation.
Disclosure of Invention
Aiming at the problem that the operation is troublesome because the pressure measurement is carried out through the ureter sheath by the pressure measuring tube in the existing ureter sheath urinary surgery, the invention aims to provide the ureter sheath with bendable head end and measurable intrarenal pressure type negative pressure.
For this purpose, the invention adopts the following technical scheme: the utility model provides a flexible, measurable intrarenal pressure formula negative pressure ureteral sheath of head end, the ureteral sheath include pipe sheath and drainage ware, characterized by, the pipe sheath include anterior segment part and posterior segment part, posterior segment part is hard tube portion, anterior segment part is hose portion, hose portion can be crooked along with the turn of penetrating the apparatus of ureteral sheath, the tip lateral surface of hose portion on be provided with at least one and be used for installing medical fiber pressure sensor's installation position, medical fiber pressure sensor fixed mounting is on the installation position and draw forth through the signal feedback line and be connected with the main control unit, realize showing the pressure value at the main control unit through the signal demodulator that sets up in the main control unit, thereby the operation is carried out to surgical instruments entering pipe sheath lumen, thereby the real-time supervision renal pelvis internal pressure is followed in the turning of medical fiber pressure sensor surgical instruments or soft endoscope to hose portion setting, adjusts operation perfusion flow and negative pressure suction pressure, improves operation security and kidney stone clearance.
The invention also comprises the following technical characteristics as supplement and improvement of the technical scheme.
The two medical optical fiber pressure sensors are arranged oppositely and are arranged in grooves formed in the outer side of the hose portion.
The hose is characterized in that the hose sheath is an integrally formed hose, the spiral steel wire is embedded in the hose sheath of the rear section of the hose sheath to form the hard hose, the spiral steel wire is embedded in the hose sheath of the front section of the hose sheath to form the hose, and the spiral distance of the spiral steel wire embedded in the hose is larger than that of the spiral steel wire embedded in the hard hose.
The length of the sheath is 53cm for male and 43cm for female, the length of the hose part is 10cm, and the mounting position is 1cm away from the outer end part of the hose part.
The signal feedback line is arranged in a wire slot formed on the outer side wall of the ureteral sheath.
The drainage device comprises a connecting pipe part and a drainage pipe part, the front end of the connecting pipe part is sleeved at the tail part of the tube sheath, the rear end of the connecting pipe part is provided with a horn-shaped opening, the drainage pipe part is fixedly connected to the side wall at the lower side of the connecting pipe part and is communicated with the tube sheath, and the tail end of the drainage pipe part is connected with an aspirator with negative pressure suction; the outer side of the horn-shaped opening is provided with an elastic sealing cap, and the elastic sealing cap is provided with a through hole communicated with the ureteral sheath.
The drainage tube is provided with a long slot hole, the long slot hole is slidably provided with a switch for opening and closing the long slot hole, and when the internal pressure of the renal pelvis is too high, the switch can be opened to reduce the internal pressure of the renal pelvis.
The outer side of the trumpet-shaped opening is provided with two opposite positioning parts, the tail part of the expander is provided with a clamping part matched with the positioning parts, and the tail part of the expander extending into the ureter sheath is fixed with the positioning parts on the trumpet-shaped opening through the clamping part.
The invention can achieve the following beneficial effects: 1. according to the invention, the sheath is arranged into the front end hose part and the rear end hard tube part, the medical optical fiber pressure sensor arranged on the front end hose part can bend along with surgical instruments or soft endoscopes, and the surgical operation visual field is clear, so that the internal pressure of the renal pelvis at the position of the operation area is monitored in real time, thereby realizing rapid adjustment of the surgical perfusion flow and the negative pressure suction pressure, improving the surgical safety and the kidney stone clearing rate, greatly improving the drainage efficiency and improving the surgical efficiency. 2. The drainage tube connected with the aspirator can improve drainage efficiency, quicken flushing and shorten operation time, and can rapidly suck out blood clots, fine stones and purulent floccules. The invention also reduces the laser thermal damage of the ureter holmium of the incarceration calculus. The invention has low use cost. According to the invention, the elastic sealing cap is arranged at the tail part of the funnel part, so that the pressure control can be regulated, and the negative pressure drainage rate is improved.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an enlarged partial schematic view of the present invention.
Fig. 3 is an enlarged partial cross-sectional view of the present invention.
Fig. 4 is a top view of the present invention.
Detailed Description
The following detailed description of specific embodiments of the invention is given by way of illustration and explanation of the invention, and is not to be construed as limiting the invention in any way.
As shown in fig. 1-4, the present embodiment includes a tube sheath 1 and a drainage device 2, the tube sheath 1 includes a front section portion and a rear section portion, a spiral steel wire is embedded in the tube sheath of the rear section portion of the tube sheath 1 to form a hard tube portion 11, a flexible tube portion 12 is formed by embedding the spiral steel wire in the tube sheath of the front section portion of the tube sheath, the spiral pitch of the spiral steel wire embedded in the flexible tube portion 12 is larger than the spiral pitch of the spiral steel wire embedded in the hard tube portion 11, the flexible tube portion 12 can bend along with the turning of an instrument penetrating into the ureteral sheath, two mounting positions for mounting the medical fiber pressure sensor 3 are arranged on the outer side surface of the end portion of the flexible tube portion 12, the medical fiber pressure sensor 3 is fixedly mounted on the mounting positions and is led out through a signal feedback line to be connected with a main control unit, a signal demodulator arranged in the main control unit is used for displaying a pressure value, and an alarm is arranged on the main control unit when the pressure value is abnormal. The two medical optical fiber pressure sensors 3 are oppositely arranged and arranged in grooves formed in the outer side of the hose part 12, and the signal feedback line is arranged in a wire groove 6 formed in the outer side wall of the ureteral sheath.
Preferably, the length of the sheath 1 is 53cm for male and 43cm for female, the length of the hose portion 12 is 10cm, and the installation site is 1cm from the outer end of the hose portion.
Preferably, the drainage device 2 comprises a connecting pipe part 21 and a drainage pipe part 22, the front end of the connecting pipe part 21 is sleeved at the tail part of the tube sheath 1, the rear end of the connecting pipe part 21 is provided with a horn-shaped opening 4, the drainage pipe part 22 is fixedly connected to the side wall of the lower side of the connecting pipe part 21 and communicated with the tube sheath 1, the tail end of the drainage pipe part 22 is connected with an aspirator with negative pressure suction force, the drainage pipe is provided with a long slot hole 8, and the long slot hole 8 is slidably provided with a switch 10 for opening and closing the long slot hole 8; the outside of the horn-shaped opening 4 is provided with an elastic sealing cap 7, the elastic sealing cap 7 is made of latex, the elastic sealing cap 7 is provided with a through hole 5 communicated with the ureteral sheath 1, and the diameter of the through hole 5 is 3mm, so that the ureteral soft lens can be accessed.
Preferably, two opposite positioning parts 9 are arranged on the outer side of the trumpet-shaped opening 4, a buckling part matched with the positioning parts 9 is arranged at the tail part of the expander, and the tail part of the expander extending into the ureteral sheath is fixed with the positioning parts 9 on the trumpet-shaped opening 4 through the buckling part.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a flexible, measurable intrarenal pressure formula negative pressure ureteral sheath of head end, the ureteral sheath include pipe sheath (1) and drainage ware (2), characterized by, pipe sheath (1) include anterior segment part and back end part, back end part is hard tube portion (11), anterior segment part is hose portion (12), hose portion (12) can be crooked along with the turn of penetrating the apparatus of ureteral sheath, the tip lateral surface of hose portion (12) on be provided with at least one and be used for installing the installation position of medical optic fibre pressure sensor (3), medical optic fibre pressure sensor (3) fixed mounting is gone up in the installation position and draws through the signal feedback line and be connected with the master control unit.
2. The flexible, measurable intra-renal pressure ureteral sheath of claim 1, wherein: the two medical optical fiber pressure sensors (3) are arranged, and the two medical optical fiber pressure sensors (3) are oppositely arranged and are arranged in grooves formed in the outer side of the hose portion (12).
3. The flexible, measurable intra-renal pressure ureteral sheath of claim 2, wherein: the hose is characterized in that the hose sheath (1) is an integrally formed hose, a spiral steel wire is embedded in the hose sheath of the rear section of the hose sheath (1) to form the hard tube part (11), a spiral steel wire is embedded in the hose sheath of the front section of the hose sheath to form the hose part (12), and the spiral distance of the spiral steel wire embedded in the hose part (12) is larger than that of the spiral steel wire embedded in the hard tube part (11).
4. A flexible, measurable intra-renal pressure ureteral sheath having a flexible head end as defined in claim 3, wherein: the length of the tube sheath (1) is 53cm for male and 43cm for female, the length of the hose portion (12) is 10cm, and the mounting position is 1cm from the outer end of the hose portion.
5. The flexible, measurable intra-renal pressure ureteral sheath of claim 4, wherein: the signal feedback line is arranged in a wire slot (6) formed on the outer side wall of the ureteral sheath.
6. The flexible, measurable intra-renal pressure ureteral sheath of claim 5, wherein: the drainage device (2) comprises a connecting pipe part (21) and a drainage pipe part (22), the front end of the connecting pipe part (21) is sleeved at the tail part of the pipe sheath (1), the rear end of the connecting pipe part (21) is provided with a horn-shaped opening (4), the drainage pipe part (22) is fixedly connected to the side wall of the lower side of the connecting pipe part (21) and communicated with the pipe sheath (1), and the tail end of the drainage pipe part (22) is connected with an aspirator with negative pressure suction; an elastic sealing cap is arranged outside the horn-shaped opening (4), and a through hole (5) communicated with the ureteral sheath (1) is arranged on the elastic sealing cap.
7. The flexible, measurable intra-renal pressure ureteral sheath of claim 6, wherein: the drainage tube is provided with a long slot hole (8), and the long slot hole (8) is provided with a switch (10) for opening and closing the long slot hole (8) in a sliding manner.
8. The flexible, measurable intra-renal pressure ureteral sheath of claim 7, wherein: the outer side of the horn-shaped opening (4) is provided with two opposite positioning parts, the tail part of the expander is provided with a clamping part matched with the positioning parts, and the tail part of the expander extending into the ureter sheath is fixed with the positioning parts on the horn-shaped opening (4) through the clamping part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021229999921 | 2021-11-29 | ||
| CN202122999992 | 2021-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116172666A true CN116172666A (en) | 2023-05-30 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111497154.2A Pending CN116172666A (en) | 2021-11-29 | 2021-12-09 | Flexible, measurable intrarenal pressure type negative pressure ureteral sheath of head end |
| CN202123090085.1U Active CN216777176U (en) | 2021-11-29 | 2021-12-09 | Head end bendable measurable intra-renal pressure type negative pressure ureteral sheath |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123090085.1U Active CN216777176U (en) | 2021-11-29 | 2021-12-09 | Head end bendable measurable intra-renal pressure type negative pressure ureteral sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN116172666A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217828057U (en) * | 2022-06-27 | 2022-11-18 | 湖南省华芯医疗器械有限公司 | Negative pressure suction ureter sheath and ureter insertion device |
-
2021
- 2021-12-09 CN CN202111497154.2A patent/CN116172666A/en active Pending
- 2021-12-09 CN CN202123090085.1U patent/CN216777176U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN216777176U (en) | 2022-06-21 |
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