CN212140409U - Ureter hard mirror with temperature measuring probe - Google Patents
Ureter hard mirror with temperature measuring probe Download PDFInfo
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- CN212140409U CN212140409U CN202020215365.7U CN202020215365U CN212140409U CN 212140409 U CN212140409 U CN 212140409U CN 202020215365 U CN202020215365 U CN 202020215365U CN 212140409 U CN212140409 U CN 212140409U
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Abstract
The utility model discloses a ureteroscope with a temperature probe, which comprises an endoscope, a light guide optical cable, a temperature probe, a sheath, a switching tube and a tail end cover which are sequentially connected and fixed, wherein the inner cavity of the sheath and the inner cavity of the switching tube are connected to form an axial working cavity, and the working cavity comprises a single channel and a double channel separated by a partition plate; the tail end cover is provided with a through hole, and an inner sealing cap is arranged in the inner cavity of the tail end cover to form one-way sealing; the wall of the adapter tube is fixedly connected with a light guide tube, an ocular end supporting tube, a signal wire connecting tube, a water outlet tube and a water inlet tube, wherein the inner cavity of the light guide tube is communicated with the water inlet working cavity; the temperature probe, the objective end at the front end of the endoscope and the front end of the light guide optical cable are fixed at the front end of the sheath, the temperature probe is connected with a signal line connector arranged at the pipe orifice of the signal line connecting pipe through a signal line, the temperature probe is arranged to sense the temperature of an operation area, the temperature can be changed, the operation steps can be adjusted in time, and the local ureter and urethra can be prevented from being thermally damaged and narrowed due to overhigh temperature of the area.
Description
Technical Field
The utility model belongs to medical equipment, especially, relevant with a ureter hard mirror of taking temperature probe.
Background
Holmium laser lithotripsy is a novel lithotripsy technology for smashing stones by utilizing holmium laser energy. Ureteroscopy is a slender instrument consisting of light-conducting fibers, a working channel and various working accessories for different purposes. The ureteroscope enters a ureter with the diameter of 0.2-0.5 cm through a urethra, a bladder and a ureter orifice, under the direct vision, by means of a television monitoring system, the pathological changes of calculus, tumor and the like in the ureteroscope can be observed clearly through a slender sight glass, an optical fiber conducting laser is led in through a ureteroscope working cavity, water between the tail end of the optical fiber and the calculus can be vaporized by energy generated by the laser, tiny vacuoles are formed, the energy is transmitted to the calculus, and the calculus is crushed into powder and then discharged.
The heat generated by the holmium laser is absorbed by water, and the damage to surrounding tissues is reduced. During the stone breaking process, the holmium laser continuously generates heat and needs continuous cold water supplement to reduce the temperature. When the calculus is embedded in the ureter and the perfusion flushing liquid can not flow obviously, the temperature of water around the calculus is obviously increased due to heat generated in the holmium laser calculus breaking process, the ureter can be damaged due to overheating of the temperature, and the ureter is narrowed or even locked after operation. The existing ureteroscope technology cannot detect the temperature change of the operation area, needs to be mastered by experience of an operating doctor, and is easy to cause thermal injury and stenosis of a local ureter and a urethra due to overhigh temperature.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a problem of the unable perception calculus temperature on every side when the holmium laser rubble of current ureteroscope is aimed at solving is provided one kind and can be at the hard ureteroscope of the timely perception calculus ambient temperature of holmium laser rubble in-process.
Therefore, the utility model adopts the following technical scheme: a ureteroscope with a temperature measuring probe comprises an endoscope, a light guide optical cable, a sheath, a switching tube, a tail end cover and an inner sealing cap, wherein the sheath is slender, the rear end of the sheath is fixedly connected with the front end of the switching tube, the inner cavity of the sheath is connected with the inner cavity of the switching tube to form an axial working cavity, the tail end cover is covered at the rear end of the switching tube through threaded connection, a through hole is formed in the tail end cover, the inner sealing cap is provided with a jack for one-way sealing, and the inner sealing cap is arranged in the inner cavity of the tail end cover to form one-; the front end of the endoscope body of the endoscope is an objective end, and the rear end of the endoscope body is an objective end; the top side of the tube wall of the adapter tube is fixedly connected with an eyepiece end supporting tube of which the inner cavity is communicated with the working cavity, and the tube wall of the adapter tube is fixedly connected with a light guide tube, a water inlet tube and a water outlet tube of which the inner cavity is communicated with the working cavity; the endoscope body is characterized in that an objective lens end and the front end of a light guide optical cable are fixed at the front end of a sheath, an eyepiece end of the endoscope body is fixed at a tube orifice of the supporting tube and seals a gap of the tube orifice of the supporting tube, the rear end of the light guide optical cable is fixed at a tube orifice of the light guide tube and seals a gap of the tube orifice of the light guide tube, and the endoscope body and the light guide optical cable are accommodated in the working cavity; the method is characterized in that: the ureteroscope further comprises a temperature sensing mechanism, the temperature sensing mechanism comprises a temperature probe and a signal line connected with the temperature probe, the temperature probe is fixed at the front end of the scope sheath, the wall of the adapter tube is fixedly connected with an inner cavity and a signal line joint tube communicated with the working cavity, a signal line joint is mounted at the tube orifice of the signal line joint tube and seals the gap between the tube orifices of the signal line joint tube, and the signal line joint is connected with the signal line.
The holmium laser lithotripsy and water circulation enhancing device is connected with external devices such as a temperature display, an alarm device and the like through a signal line joint, displays the temperature in real time in the operation process or respectively sends alarm signals of different levels within a set temperature range (such as 45-60 ℃), so that a surgeon can timely stop holmium laser lithotripsy and enhance regional temperature reduction measures such as water circulation and the like, and the heat damage and the stenosis of a local ureter and a urethra caused by overhigh local temperature are reduced; and the temperature display is connected through a lead, and a relationship graph of temperature and duration is provided through the processing system, so that the relationship between the temperature and the ureter stenosis can be known, and a clinical scientific research basis can be provided.
During the use, holmium laser guide optic fibre penetrates from tail end lid through-hole, and the one-way through-hole through interior sealing cap gets into out the water working chamber, wears out the operating position from a water working chamber front end, can observe the operating position through the endoscope, leads in the light through the leaded light optical cable and forms the illumination to the operating position, is convenient for observe. During holmium laser work, follow the inlet tube and pass through into water working chamber to the operating position injection cold water, cold water is discharged through the outlet pipe from a water working chamber after being heated, forms water circulative cooling, and interior closing cap is sealed to tail end lid and holmium laser guide optic fibre formation, makes water can not spill over from interior closing cap through-hole.
As a supplement and improvement to the above technical solution, the present invention further comprises the following technical features.
The temperature probe is fixed on the edge of the top side of the front end of the sheath, so that the temperature probe is far away from the water outlet of the front end of the sheath as far as possible, and a large amount of effluent in the water outlet is prevented from being cooled, the temperature is reduced, and the temperature accuracy is not influenced.
The through hole on the tail end cover is in a horn shape expanding backwards, so that the holmium laser guide optical fiber can be conveniently penetrated and installed.
The central line of the ocular end supporting tube is inclined backwards, so that an operator can conveniently handle the ureteroscope during operation.
The water inlet pipe and the water outlet pipe are connected with valves, and the water inlet pipe and the water outlet pipe are symmetrically arranged along the axial center plane of the adapter pipe, so that the water inlet pipe and the water outlet pipe can support the handheld operation of an operator, and the operator can conveniently operate the valves with any hand.
The pipe wall of the adapter pipe is also connected with a soft instrument insertion pipe, the inner cavity of the soft instrument insertion pipe is communicated with the working cavity, the pipe orifice of the soft instrument insertion pipe is covered and sealed by an end cover provided with a through hole and a sealing cap provided with a one-way sealing jack in a matching way, the soft instrument can penetrate, and water cannot overflow.
As another embodiment, the working cavity is divided into a water inlet working cavity and a water outlet working cavity which are independent of each other by a partition plate, and the rear end of the water inlet working cavity is closed; the rear end of the adapter tube is separated from the water inlet working cavity and communicated with the water outlet working cavity, and the holmium laser guide optical fiber passes through the water outlet working cavity; the inner cavities of the light guide pipe, the water inlet pipe, the ocular end supporting pipe and the signal wire joint pipe are communicated with the water inlet working cavity, and the endoscope body, the signal wire and the light guide optical cable of the endoscope are accommodated in the water inlet working cavity; the water outlet pipe is communicated with the water outlet working cavity.
Furthermore, the water outlet pipe is connected to the bottom side of the pipe wall of the adapter pipe, the water outlet pipe is located at the bottom side and is favorable for draining water and discharging stones, and the water inlet pipe and the water outlet pipe are connected with a valve and a pipe joint.
Furthermore, the two water inlet pipes are symmetrically arranged on the axial center plane of the adapter pipe, so that the handheld operation of an operator can be supported, and the operator can operate the valve with any hand conveniently.
A light guide plate is fixed at the front end of the sheath, the front end of a light guide optical cable is connected with the light guide plate, and a surface light source is formed at the front end of the sheath.
The utility model discloses following beneficial effect can be reached: the temperature probe is arranged at the front end of the ureteroscope sheath for hard endoscope to sense the temperature of the operation area, so that doctors can monitor the temperature change of the operation area in real time during operation, adjust the operation steps in time and prevent the thermal injury and stenosis of local ureters and urethra caused by overhigh temperature of the area.
Drawings
Fig. 1 is a schematic view of a top view direction structure according to an embodiment of the present invention.
Fig. 2 is a sectional view a-a of fig. 1 according to an embodiment.
Fig. 3 is an enlarged view of a left-view direction structure according to an embodiment of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 2.
Fig. 5 is a schematic view of a second top view direction structure according to an embodiment of the present invention.
FIG. 6 is a sectional view taken along line A-A of FIG. 5 according to the second embodiment.
Fig. 7 is an enlarged view of the structure of the second left-view direction according to the embodiment of the present invention.
Fig. 8 is a partially enlarged view of fig. 6 at b.
The same reference numerals are given to the same portions except for the water outlet pipe in both embodiments.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are used for illustration and explanation of the invention and are not to be construed as limiting the invention.
The first embodiment is described.
As shown in fig. 1, 2 and 3, the utility model comprises an endoscope 10, a sheath 1, an adapter tube 2, a tail end cover 9, a light guide optical cable, an inner sealing cap 14 and a temperature probe 12, wherein the sheath 1 is slender and the rear end is fixedly connected with the front end of the adapter tube 2, and the inner cavity of the sheath and the inner cavity of the adapter tube are connected to form an axial working cavity; the tail end cover 9 is covered at the rear end of the adapter tube through threaded connection, a through hole is formed in the tail end cover, the through hole is in a horn shape expanding backwards, a through hole for one-way sealing is formed in the inner sealing cap 14, and the inner sealing cap is arranged in the inner cavity of the tail end cover to form one-way sealing; the front end of the endoscope body of the endoscope 10 is an objective end, and the rear end is an objective end; the eyepiece end stay tube 5, light pipe 3 and the signal line connecting pipe 4 of switching pipe wall top side fixedly connected with inner chamber and working chamber intercommunication, eyepiece end stay tube central line slope backward, inlet tube 6 and outlet pipe 11 of switching pipe wall side fixedly connected with inner chamber and working chamber intercommunication, inlet tube 6 and outlet pipe 11 with switching pipe axial direction central plane symmetry sets up, and inlet tube and outlet pipe all are connected with valve 7 and coupling 8, and the valve on inlet tube 6 and the outlet pipe 11 is opened in turn and is closed in the during operation, realizes intaking and goes out water in turn and go on. A light guide plate 13 is fixed at the front end of the sheath, the front end of the light guide optical cable is connected with the light guide plate 13, and a surface light source is formed at the front end of the sheath. The objective end of the endoscope 10 passes through the light guide plate 13 and is fixed, and the temperature probe 12 is fixed on the top edge of the front end of the sheath and forms a spacing distance with the water outlet of the front end of the sheath. The pipe orifice of the signal wire joint pipe 4 is provided with a signal wire joint and seals the pipe orifice gap of the signal wire joint pipe, and the signal wire joint is connected with the temperature probe 12 through an insulated signal wire. The eyepiece end of the signal line endoscope 10 is fixed at the pipe orifice of the eyepiece end supporting pipe and seals the gap between the eyepiece end and the pipe orifice, and the rear end of the light guide optical cable is fixed at the pipe orifice of the light guide pipe 3 and seals the gap of the pipe orifice through a sealing piece. The endoscope body, the light guide optical cable and the signal wire of the endoscope 10 are accommodated in the working cavity; the bottom side of the tube wall of the adapter tube is fixedly connected with a soft instrument insertion tube 16 of which the inner cavity is communicated with the working cavity, and the tube opening of the soft instrument insertion tube is covered and sealed by an end cover 15 provided with a through hole and a sealing cap 17 provided with a one-way sealing jack in a matching way.
Embodiment two.
As shown in fig. 4, 5 and 6, the utility model comprises an endoscope 10, a sheath 1, an adapter tube 2, a tail end cover 9, a light guide optical cable 13, an inner sealing cap 14 and a temperature probe 12, wherein the sheath 1 is slender and the rear end is fixedly connected with the front end of the adapter tube 2, and the inner cavity of the sheath and the inner cavity of the adapter tube are connected to form an axial working cavity; the working cavity is divided into a water inlet working cavity 20 and a water outlet working cavity 19 which are mutually independent through a partition plate 18, the rear end of the water inlet working cavity 20 is closed, and the rear end of the adapter tube 2 is divided from the water inlet working cavity 20 and communicated with the water outlet working cavity 19; the tail end cover 9 is covered at the rear end of the adapter tube through threaded connection, a through hole is formed in the tail end cover, the through hole is in a horn shape expanding backwards, a through hole for one-way sealing is formed in the inner sealing cap 14, and the inner sealing cap is arranged in the inner cavity of the tail end cover to form one-way sealing; the front end of the endoscope body of the endoscope 10 is an objective end, and the rear end is an objective end; the top side of the tube wall of the adapter tube is fixedly connected with an eyepiece end supporting tube 5, a light pipe 3 and a signal line connecting tube 4, the inner cavity of which is communicated with the water inlet working cavity 20, and the central line of the eyepiece end supporting tube is inclined backwards. Two inlet tubes 6 that the inner chamber and the working chamber communicate are fixedly connected with to adapter tube pipe wall side, two inlet tubes 6 with adapter tube axial direction central plane symmetry sets up, and inlet tube 6 all is connected with valve 7 and coupling 8. A light guide plate 13 is fixed at the front end of the sheath, the front end of the light guide optical cable is connected with the light guide plate 13, and a surface light source is formed at the front end of the sheath. The objective end of the endoscope 10 passes through the light guide plate 13 and is fixed, and the temperature probe 12 is fixed on the top edge of the front end of the sheath and forms a spacing distance with the water outlet of the front end of the sheath. The pipe orifice of the signal wire joint pipe 4 is provided with a signal wire joint and seals the pipe orifice gap of the signal wire joint pipe, and the signal wire joint is connected with the temperature probe 12 through an insulated signal wire. The eyepiece end of the signal line endoscope 10 is fixed at the pipe orifice of the eyepiece end supporting pipe and seals the gap between the eyepiece end and the pipe orifice, and the rear end of the light guide optical cable is fixed at the pipe orifice of the light guide pipe 3 and seals the gap of the pipe orifice through a sealing piece. The endoscope body, the light guide optical cable and the signal wire of the endoscope 10 are accommodated in the working cavity; the bottom side of the tube wall of the adapter tube is fixedly connected with a water outlet tube 11, the inner cavity of which is communicated with the water outlet working cavity 19, and the water outlet tube is connected with a water outlet valve 22 and a water outlet tube connector 21.
Claims (8)
1. A ureteroscope with a temperature measuring probe comprises an endoscope, a light guide optical cable, a sheath, a switching tube, a tail end cover and an inner sealing cap, wherein the sheath is slender, the rear end of the sheath is fixedly connected with the front end of the switching tube, the inner cavity of the sheath is connected with the inner cavity of the switching tube to form an axial working cavity, the tail end cover is covered at the rear end of the switching tube through threaded connection, a through hole is formed in the tail end cover, the inner sealing cap is provided with a jack for one-way sealing, and the inner sealing cap is arranged in the inner cavity of the tail end cover to form one-; the front end of the endoscope body of the endoscope is an objective end, and the rear end of the endoscope body is an objective end; the top side of the tube wall of the adapter tube is fixedly connected with an eyepiece end supporting tube of which the inner cavity is communicated with the working cavity, and the tube wall of the adapter tube is fixedly connected with a light guide tube, a water inlet tube and a water outlet tube of which the inner cavity is communicated with the working cavity; the endoscope body is characterized in that an objective lens end and the front end of a light guide optical cable are fixed at the front end of a sheath, an eyepiece end of the endoscope body is fixed at a tube orifice of the supporting tube and seals a gap of the tube orifice of the supporting tube, the rear end of the light guide optical cable is fixed at a tube orifice of the light guide tube and seals a gap of the tube orifice of the light guide tube, and the endoscope body and the light guide optical cable are accommodated in the working cavity; the method is characterized in that: the ureteroscope further comprises a temperature sensing mechanism, the temperature sensing mechanism comprises a temperature probe and a signal line connected with the temperature probe, the temperature probe is fixed at the front end of the scope sheath, the wall of the adapter tube is fixedly connected with an inner cavity and a signal line joint tube communicated with the working cavity, a signal line joint is mounted at the tube orifice of the signal line joint tube and seals the gap between the tube orifices of the signal line joint tube, and the signal line joint is connected with the signal line.
2. The ureteroscope of claim 1, wherein: the water inlet pipe and the water outlet pipe are connected with valves, and the water inlet pipe and the water outlet pipe are symmetrically arranged on the axial center plane of the adapter pipe.
3. The ureteroscope of claim 2, wherein: the tube wall of the adapter tube is also connected with a soft instrument insertion tube of which the inner cavity is communicated with the working cavity, and the tube opening of the soft instrument insertion tube is covered and sealed by an end cover provided with a through hole and a sealing cap provided with a one-way sealing jack in a matching way.
4. The ureteroscope of claim 1, wherein: the working cavity is divided into a water inlet working cavity and a water outlet working cavity which are mutually independent by a partition plate, and the rear end of the water inlet working cavity is closed; the rear end of the adapter tube is separated from the water inlet working cavity and communicated with the water outlet working cavity; the inner cavities of the light guide pipe, the water inlet pipe, the ocular end supporting pipe and the signal wire joint pipe are communicated with the water inlet working cavity, and the endoscope body, the signal wire and the light guide optical cable of the endoscope are accommodated in the water inlet working cavity; the water outlet pipe is communicated with the water outlet working cavity.
5. The ureteroscope of claim 4, wherein: the water outlet pipe is connected to the bottom side of the pipe wall of the adapter pipe, and the water inlet pipe and the water outlet pipe are both connected with a valve and a pipe joint.
6. The ureteroscope of claim 5, wherein: the water inlet pipes are two, and the adapter pipe is symmetrically arranged on the axial center plane.
7. The ureteroscope with temperature probe of claim 1, 2, 3, 4, 5 or 6, wherein: the temperature probe is fixed on the edge of the top side of the front end of the sheath.
8. The ureteroscope of claim 7, wherein: the through hole on the tail end cover is in a flared shape expanding backwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020215365.7U CN212140409U (en) | 2020-02-26 | 2020-02-26 | Ureter hard mirror with temperature measuring probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020215365.7U CN212140409U (en) | 2020-02-26 | 2020-02-26 | Ureter hard mirror with temperature measuring probe |
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| Publication Number | Publication Date |
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| CN212140409U true CN212140409U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020215365.7U Active CN212140409U (en) | 2020-02-26 | 2020-02-26 | Ureter hard mirror with temperature measuring probe |
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| CN (1) | CN212140409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024078194A1 (en) * | 2022-10-09 | 2024-04-18 | 上海市闵行区中心医院 | Rigid ureteroscope with dual-chamber working channel |
-
2020
- 2020-02-26 CN CN202020215365.7U patent/CN212140409U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024078194A1 (en) * | 2022-10-09 | 2024-04-18 | 上海市闵行区中心医院 | Rigid ureteroscope with dual-chamber working channel |
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