CN210810945U - Percutaneous nephroscope with independent bending instrument channel - Google Patents
Percutaneous nephroscope with independent bending instrument channel Download PDFInfo
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- CN210810945U CN210810945U CN201921453692.XU CN201921453692U CN210810945U CN 210810945 U CN210810945 U CN 210810945U CN 201921453692 U CN201921453692 U CN 201921453692U CN 210810945 U CN210810945 U CN 210810945U
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- percutaneous nephroscope
- outer tube
- nephroscope
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- passageway
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Abstract
The utility model relates to the technical field of medical equipment, and a percutaneous nephroscope with independent crooked apparatus passageway is disclosed, including percutaneous nephroscope outer tube, the right side fixed mounting of percutaneous nephroscope outer tube has handheld portion, the inside fixed mounting of handheld portion has apparatus passageway pipe. The utility model discloses a, there is the apparatus channel pipe through cominging in and going out in the water passageway, and the left side of apparatus channel pipe is connected with the return bend, and the left end of optics direction passageway is the bending form, the observation angle of device has been increased, and laser fiber is by the direction of apparatus channel pipe, smash the kidney rubble, can be under the condition that does not increase puncture passageway separately, supplementary traditional hard mirror carries out the holmium laser rubble under the direct vision to the calculus, reduce the damage of puncture to kidney tissue many times, and the return bend, apparatus channel pipe all is located the inside of percutaneous nephroscope outer tube with the camera lens, the damage of device to the kidney has further been reduced, improve the rubble effect of traditional percutaneous nephroscope.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a percutaneous nephroscope with an independent bending instrument channel.
Background
Percutaneous nephrolithotomy is a technique of inserting a nephroscope into a kidney through a channel from skin to the kidney, crushing and taking out kidney stones by using lithotripsy tools such as laser, ultrasound and the like, and is called 'punching calculus extraction', wherein PCNL is abbreviated in English, the percutaneous nephrolithotomy is a modern minimally invasive technique for treating the kidney stones, the technique is developed at first in China in 1985 by the first hospital of Beijing university, hundreds of operations are performed every year at present, and open surgery calculus extraction is basically eliminated.
The kidney stone breaking operation in the current market is mainly performed by a percutaneous nephroscope, and has the advantages of small wound, short time, good stone breaking effect and the like, but in the actual use process, the percutaneous nephroscope is combined with a flexible ureteroscope to be an effective means for treating complex stones at present, but the limitation of the bending radius of the flexible ureteroscope can cause difficulty in finding stones, and an instrument channel and a water channel are integrated, so that even if stones are in a visible range, the stones cannot be aimed for stone breaking because a laser optical fiber cannot be bent by itself, and if the endoscope advancing angle is forcibly changed or a puncture channel is increased, the kidney tissues can be damaged, the operation time is prolonged, and the probability of complications such as channel bleeding is increased.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model is not enough to prior art, the utility model provides a percutaneous nephroscope with independent crooked apparatus passageway, possess crooked independent apparatus passageway, supplementary traditional hard mirror carries out the laser rubble to the complexity calculus, improve advantages such as the rubble effect of traditional percutaneous nephroscope, solved because the restriction of ureter soft mirror bend radius, probably lead to looking for the calculus difficulty, and can not bend by oneself because laser fiber, still can't aim and carry out the rubble, if change the scope angle or increase puncture channel by force, then can lead to the damage of kidney tissue, and prolong operation time, increase the problem that the passageway bleeds.
(II) technical scheme
For realizing above-mentioned crooked independent apparatus passageway, supplementary tradition hard mirror carries out the laser rubble to the complexity calculus, improves the purpose of the rubble effect of tradition percutaneous nephroscope, the utility model provides a following technical scheme: the utility model provides a percutaneous nephroscope with independent crooked apparatus passageway, includes percutaneous nephroscope outer tube, the right side fixed mounting of percutaneous nephroscope outer tube has handheld portion, the inside fixed mounting of handheld portion has the apparatus passageway pipe, the top fixed mounting of handheld portion has the sight glass, the inside fixedly connected with of percutaneous nephroscope outer tube supports the baffle, percutaneous nephroscope outer tube is separated for optics guide channel and discrepancy water passageway by supporting the baffle, the low side of sight glass runs through handheld portion and is linked together with optics guide channel, the bottom fixed mounting of handheld portion has the discrepancy water pipe, the top of discrepancy water pipe runs through handheld portion and is linked together with discrepancy water passageway, the left end of apparatus passageway pipe runs through handheld portion and extends to the inside of going out water passageway, the left end fixedly connected with return bend of apparatus passageway pipe, the left side fixed mounting of optics guide channel has the camera lens, the lens and the bent tube are both positioned in the percutaneous nephroscope outer tube.
Preferably, the diameter of the percutaneous nephroscope outer tube is between two millimeters and five millimeters, and the left end of the percutaneous nephroscope outer tube is inclined.
Preferably, the left end of the handheld part is sleeved with a movably connected sealing cap, and the sealing cap is made of elastic materials.
Preferably, a blocking block is fixedly installed on the left side inside the outer tube of the percutaneous nephroscope, and an LED lamp is fixedly installed at the bottom of the blocking block.
Preferably, the outer side of the hand-held part is sleeved with a fixedly connected anti-abrasion soft sleeve.
(III) advantageous effects
Compared with the prior art, the utility model provides a percutaneous nephroscope with independent crooked apparatus passageway possesses following beneficial effect:
1. the percutaneous nephroscope with the independent bending instrument channel is characterized in that a handheld part is fixedly arranged on the right side of an outer tube of the percutaneous nephroscope, so that the device can be held by the handheld part, a supporting clapboard is fixedly arranged in the outer tube of the percutaneous nephroscope to divide the inside of the outer tube of the percutaneous nephroscope into an optical guide channel and a water inlet and outlet channel, an observation mirror arranged on the top of the handheld part passes through the optical guide channel and a lens fixedly arranged on the left side of the optical guide channel, when the device is inserted into a kidney, the observation mirror can observe the inside condition of the kidney through the lens, the water inlet and outlet channel can clean the kidney through a water inlet and outlet pipe arranged at the bottom of the handheld part, then a channel instrument pipe is connected in the water inlet and outlet channel, the left side of the instrument channel pipe is connected with a bent pipe, and the left end of the optical guide channel is bent, and the laser fiber is guided by the instrument channel tube to smash the kidney crushed stone, so that holmium laser crushed stone under direct vision of the traditional hard scope can be assisted under the condition that a puncture channel is not additionally arranged, the damage to kidney tissues caused by multiple punctures is reduced, and the bent tube, the instrument channel tube and the lens are all positioned in the outer tube of the percutaneous nephroscope, so that the damage to the kidney caused by the device is further reduced, and the crushed stone effect of the traditional percutaneous nephroscope is improved.
2. This percutaneous nephroscope with independent crooked apparatus passageway is between millimeter to five millimeters through the diameter that sets up percutaneous nephroscope outer tube for the device is when piercing the kidney, and is relatively better to the damage of kidney, has increased patient's recovery rate, and is the slope form through the left end that sets up percutaneous nephroscope outer tube, makes percutaneous nephroscope outer tube insert the kidney simple relatively, and does not shelter from camera lens and return bend, has increased the practicality of device.
3. This percutaneous nephroscope with independent crooked apparatus passageway overlaps the sealing cap that is equipped with through the left end of handheld portion, seals the inside of handheld portion to make the device when depositing, be difficult for getting into the dust, thereby make the device remain clean all the time, and the sealing cap comprises the elasticity material, makes the sealing cap change the cover on handheld portion, has increased the convenience of device.
4. This percutaneous nephroscope with independent crooked apparatus passageway has the dog that hides through the left side fixed mounting in percutaneous nephroscope outer tube inside, and shelters from a piece bottom fixed mounting's LED lamp for the camera lens is when observing the inside condition of kidney, and the light source is sufficient, thereby has increased the field of vision of device, has increased the security of operation.
5. This percutaneous nephroscope with independent crooked apparatus passageway is equipped with the soft cover of abrasionproof through the outside cover at handheld portion, makes device frictional force better for the doctor is difficult for taking off the cunning when gripping handheld portion for a long time, thereby has increased the practicality of device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a portion a of the structure of fig. 1 according to the present invention.
The reference numbers in the figures illustrate:
1. percutaneous nephroscope outer tube; 2. a hand-held portion; 3. an instrument channel tube; 4. an observation mirror; 5. supporting the partition plate; 6. an optical guide channel; 7. a water inlet channel and a water outlet channel; 8. an inlet pipe and an outlet pipe; 9. bending the pipe; 10. a lens; 11. sealing the cap; 12. a stop block is shielded; 13. an LED lamp; 14. a wear-resistant soft sleeve.
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.
Referring to fig. 1-2, a percutaneous nephroscope with an independently bent instrument channel comprises an external percutaneous nephroscope tube 1, a hand-held portion 2 is fixedly installed on the right side of the external percutaneous nephroscope tube 1, an instrument channel tube 3 is fixedly installed inside the hand-held portion 2, an observation mirror 4 is fixedly installed on the top of the hand-held portion 2, a support baffle 5 is fixedly connected inside the external percutaneous nephroscope tube 1, the external percutaneous nephroscope tube 1 is divided into an optical guide channel 6 and an inlet and outlet water channel 7 by the support baffle 5, the low end of the observation mirror 4 penetrates through the hand-held portion 2 and is communicated with the optical guide channel 6, an inlet and outlet water tube 8 is fixedly installed on the bottom of the hand-held portion 2, the top end of the inlet and outlet water channel 8 penetrates through the hand-held portion 2 and is communicated with the inlet and outlet water channel 7, the left end of the instrument channel tube 3 penetrates through the hand-held portion 2 and extends to the, a lens 10 is fixedly arranged at the left side of the optical guide channel 6, the lens 10 and the elbow 9 are both positioned inside the percutaneous nephroscope outer tube 1, a hand-held part 2 is fixedly arranged at the right side of the percutaneous nephroscope outer tube 1, so that the device can be held by the hand-held part 2, the inside of the percutaneous nephroscope outer tube 1 is divided into an optical guide channel 6 and a water inlet and outlet channel 7 by a support clapboard 5 fixedly arranged inside the percutaneous nephroscope outer tube 1, an observation mirror 4 arranged at the top of the hand-held part 2 passes through the optical guide channel 6, and the lens 10 fixedly arranged at the left side of the optical guide channel 6 can enable the observation mirror 4 to observe the inside condition of the kidney by the lens 10 when the device is inserted into the kidney, the water inlet and outlet channel 7 can wash the kidney by a water inlet and outlet pipe 8 arranged at the bottom of the hand-held part 2, and then an instrument channel, the left side of the instrument channel tube 3 is connected with the bent tube 9, the left end of the optical guide channel 6 is in a bent shape, the observation angle of the device is increased, the laser optical fiber is guided by the instrument channel tube 3 to break the kidney crushed stone, holmium laser crushed stone under direct vision of traditional hard scope can be assisted under the condition that a puncture channel is not additionally arranged, the damage of multiple times of puncture to the kidney tissue is reduced, the bent tube 9, the instrument channel tube 3 and the lens 10 are all positioned in the percutaneous nephroscope outer tube 1, the damage of the device to the kidney is further reduced, the crushing effect of the traditional percutaneous nephroscope is improved, the handheld part 2 is fixedly arranged on the right side of the percutaneous nephroscope outer tube 1, the device can be held by the handheld part 2, the inner part of the percutaneous nephroscope outer tube 1 is divided into the optical guide channel 6 and the water inlet and outlet channel 7 by the supporting partition plate 5 fixedly arranged in the percutaneous nephroscope outer tube 1, and through the observation mirror 4 installed on the top of the hand-held part 2, the inside condition of the kidney can be observed through the lens 10 when the device is pierced into the kidney, the observation mirror 4 can observe the inside condition of the kidney through the lens 10, the water inlet and outlet channel 7 can wash the kidney through the water inlet and outlet pipe 8 installed on the bottom of the hand-held part 2, then the device channel pipe 3 is connected in the water inlet and outlet channel 7, the left side of the device channel pipe 3 is connected with the elbow 9, the left end of the optical guide channel 6 is in a bent shape, the observation angle of the device is increased, the laser fiber is guided by the device channel pipe 3 to break the kidney broken stone, the holmium laser broken stone under the direct vision of the traditional hard mirror can be assisted under the condition that the puncture channel is not additionally added, the damage of the kidney tissue caused by multiple punctures is reduced, and the elbow 9, the device channel pipe 3 and the lens 10 are all positioned in the percutaneous nephroscope outer pipe 1, further reduces the damage of the device to the kidney and improves the lithotripsy effect of the traditional percutaneous nephroscope, and the model of the lens 10 is KT-AR 400-700.
Further, the diameter of percutaneous nephroscope outer tube 1 is between two millimeters to five millimeters, the left end of percutaneous nephroscope outer tube 1 is the slope form, be between two millimeters to five millimeters through the diameter that sets up percutaneous nephroscope outer tube 1, make the device when piercing the kidney, damage to the kidney is better relatively, patient's recovery speed has been increased, and be the slope form through the left end that sets up percutaneous nephroscope outer tube 1, it is simple relatively to make percutaneous nephroscope outer tube 1 insert the kidney, and do not shelter from camera lens 10 and return bend 9, the practicality of device has been increased.
Further, the left end cover of handheld portion 2 is equipped with swing joint's sealing cap 11, and sealing cap 11 comprises elastic material, sealing cap 11 that is equipped with through the left end cover of handheld portion 2, the inside of sealed handheld portion 2 to make the device when depositing, be difficult for getting into the dust, thereby make the device remain clean all the time, and sealing cap 11 comprises elastic material, makes sealing cap 11 change the cover on handheld portion 2, has increased the convenience of device.
Further, the left side fixed mounting who shelters from dog 12 inside percutaneous nephroscope outer tube 1, the bottom fixed mounting who shelters from dog 12 has LED lamp 13, through the left side fixed mounting who shelters from dog 12 in percutaneous nephroscope outer tube 1 inside, and shelter from the LED lamp 13 of 12 bottom fixed mounting for camera lens 10 is when observing the inside condition of kidney, and the light source is sufficient, thereby has increased the field of vision of device, has increased the security of operation, and the model of LED lamp 13 is CY-infrared emission.
Further, the outside cover of handheld portion 2 is equipped with fixed connection's soft cover of abrasionproof 14, overlaps through the outside at handheld portion 2 and is equipped with soft cover of abrasionproof 14, makes device frictional force better for the doctor is when gripping handheld portion 2 for a long time, is difficult for taking off the cunning, thereby has increased the practicality of device.
The working principle is as follows: the right side of the percutaneous nephroscope outer tube 1 is fixedly provided with the handheld part 2, so that the device can be held by the handheld part 2, the inside of the percutaneous nephroscope outer tube 1 is divided into the optical guide channel 6 and the water inlet and outlet channel 7 by the supporting clapboard 5 fixedly arranged in the inside of the percutaneous nephroscope outer tube 1, the observation mirror 4 arranged at the top of the handheld part 2 passes through the optical guide channel 6 and the lens 10 fixedly arranged at the left side of the optical guide channel 6, when the device is pierced into the kidney, the inner condition of the kidney can be observed by the observation mirror 4 through the lens 10, the water inlet and outlet channel 7 can wash the kidney through the water inlet and outlet pipe 8 arranged at the bottom of the handheld part 2, then the device channel tube 3 is connected in the water inlet and outlet channel 7, the left side of the device channel tube 3 is connected with the bent tube 9, and the left end of the optical guide channel 6 is bent, so that, and the laser fiber is guided by the instrument channel tube 3 to smash the kidney crushed stone, so that holmium laser crushed stone under direct vision of the traditional hard endoscope on the crushed stone can be assisted under the condition that a puncture channel is not additionally arranged, the damage of repeated puncture on kidney tissues is reduced, and the bent tube 9, the instrument channel tube 3 and the lens 10 are all positioned in the percutaneous nephroscope outer tube 1, so that the damage of the device on the kidney is further reduced, and the crushed stone effect of the traditional percutaneous nephroscope is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A percutaneous nephroscope with an independent curved instrument channel, comprising a percutaneous nephroscope outer tube (1), characterized in that: the utility model discloses a percutaneous nephroscope, including percutaneous nephroscope outer tube (1), the right side fixed mounting of percutaneous nephroscope outer tube (1) has handheld portion (2), the inside fixed mounting of handheld portion (2) has apparatus channel pipe (3), the top fixed mounting of handheld portion (2) has sight glass (4), the inside fixedly connected with of percutaneous nephroscope outer tube (1) supports baffle (5), percutaneous nephroscope outer tube (1) is separated for optics guide channel (6) and discrepancy water passageway (7) by supporting baffle (5), the low side of sight glass (4) runs through handheld portion (2) and is linked together with optics guide channel (6), the bottom fixed mounting of handheld portion (2) has discrepancy water pipe (8), the top of discrepancy water pipe (8) runs through handheld portion (2) and is linked together with discrepancy water passageway (7), the left end of apparatus channel pipe (3) runs through handheld portion (2) and extends to the inside of the discrepancy water passageway (7), the left end fixedly connected with return bend (9) of apparatus passageway pipe (3), the left side fixed mounting of optics direction passageway (6) has camera lens (10), camera lens (10) and return bend (9) all are located the inside of percutaneous nephroscope outer tube (1).
2. The percutaneous nephroscope with an independent curved instrument channel of claim 1, wherein: the diameter of the percutaneous nephroscope outer tube (1) is between two millimeters and five millimeters, and the left end of the percutaneous nephroscope outer tube (1) is inclined.
3. The percutaneous nephroscope with an independent curved instrument channel of claim 1, wherein: the left end of the handheld part (2) is sleeved with a movably connected sealing cap (11), and the sealing cap (11) is made of elastic materials.
4. The percutaneous nephroscope with an independent curved instrument channel of claim 1, wherein: the percutaneous nephroscope is characterized in that a blocking block (12) is fixedly mounted on the left side inside the percutaneous nephroscope outer tube (1), and an LED lamp (13) is fixedly mounted at the bottom of the blocking block (12).
5. The percutaneous nephroscope with an independent curved instrument channel of claim 1, wherein: the outer side of the handheld part (2) is sleeved with a wear-proof soft sleeve (14) which is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453692.XU CN210810945U (en) | 2019-09-03 | 2019-09-03 | Percutaneous nephroscope with independent bending instrument channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453692.XU CN210810945U (en) | 2019-09-03 | 2019-09-03 | Percutaneous nephroscope with independent bending instrument channel |
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|---|---|
| CN210810945U true CN210810945U (en) | 2020-06-23 |
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|---|---|---|---|
| CN201921453692.XU Expired - Fee Related CN210810945U (en) | 2019-09-03 | 2019-09-03 | Percutaneous nephroscope with independent bending instrument channel |
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| CN (1) | CN210810945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112545436A (en) * | 2020-12-04 | 2021-03-26 | 东莞市人民医院 | Flexible bendable electronic nephroscope for percutaneous nephroscope operation |
-
2019
- 2019-09-03 CN CN201921453692.XU patent/CN210810945U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112545436A (en) * | 2020-12-04 | 2021-03-26 | 东莞市人民医院 | Flexible bendable electronic nephroscope for percutaneous nephroscope operation |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20210903 |