CN109276313B - Water injector and water injection device for ureteroscope - Google Patents
Water injector and water injection device for ureteroscope Download PDFInfo
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- CN109276313B CN109276313B CN201811456817.4A CN201811456817A CN109276313B CN 109276313 B CN109276313 B CN 109276313B CN 201811456817 A CN201811456817 A CN 201811456817A CN 109276313 B CN109276313 B CN 109276313B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 275
- 238000002347 injection Methods 0.000 title claims abstract description 125
- 239000007924 injection Substances 0.000 title claims abstract description 125
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 230000003247 decreasing effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract 2
- 238000001802 infusion Methods 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 11
- 235000017491 Bambusa tulda Nutrition 0.000 description 11
- 241001330002 Bambuseae Species 0.000 description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 11
- 239000011425 bamboo Substances 0.000 description 11
- 239000011796 hollow space material Substances 0.000 description 5
- 210000003734 kidney Anatomy 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 206010023434 Kidney rupture Diseases 0.000 description 1
- 206010067268 Post procedural infection Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 210000000244 kidney pelvis Anatomy 0.000 description 1
- 201000009208 lower urinary tract calculus Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 210000001635 urinary tract Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/26—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor for producing a shock wave, e.g. laser lithotripsy
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- 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
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00505—Urinary tract
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/002—Irrigation
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Electromagnetism (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Endoscopes (AREA)
Abstract
The embodiment of the invention discloses a water injector and a water injection device for a ureteroscope, wherein the water injector comprises an outer water injection cylinder and an inner water injection cylinder which is embedded in the outer water injection cylinder in a sealing way, the outer water injection cylinder comprises an upper outer cylinder and a lower outer cylinder, a cavity for liquid circulation is formed between the outer walls and the inner walls of the two outer cylinders, a through hole which is communicated with the cavity of the upper outer cylinder is formed in the inner wall of the upper half part of the inner water injection cylinder, at least two water inlets with diameters which are gradually decreased in the circumferential direction and are respectively used for being connected with the through hole are formed in the outer wall of the upper half part of the inner water injection cylinder, a water outlet which is used for being communicated with the cavity of the lower outer cylinder is formed in the outer wall of the lower half part of the inner water injection cylinder, a water outlet pipe which is communicated with the cavity of the lower outer cylinder is fixedly connected with the outer wall of the lower outer cylinder, and the water injection device comprises a water pump, a water pipe, a three-way pipe, a water injector and the ureteroscope which are sequentially connected with the water injector. The invention achieves the purpose of adjusting the flow of liquid by rotating the inner water injection cylinder of the water injector.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a water injector and a water injection device for a ureteroscope.
Background
Ureteroscope is divided into a soft lens and a hard lens, and along with the development of laser lithotripsy technology, the ureteroscope has developed towards multifunctional, high definition and precision directions. Hard lens is convenient for treating lower urinary tract calculus, soft lens is suitable for treating upper urinary tract calculus, and is currently widely applied in clinic. The advantages of combining holmium laser with ureteroscope technology are accurate, noninvasive, high calculus removal rate, simple and convenient operation and the like when the natural urinary system cavity is used for lithotripsy. However, in order to obtain a good visual field, both hard and soft lenses are used, and in particular, in soft-lens surgery, there is a risk that the pressure in the renal pelvis increases too much to rupture and infect the kidney due to too large a water injection amount.
At present, two main water injection modes exist: the medical pressure perfusion pump is adopted, but the medical perfusion pump has larger water pressure, can not accurately regulate the water pressure in the operation, and is easy to cause more complications such as postoperative infection, kidney rupture and hemorrhage; manual water injection is performed through a syringe, but this mode is frequently operated, and water interruption at critical moments often occurs.
Disclosure of Invention
The embodiment of the invention aims to provide a water injector and a water injection device for a ureteroscope, which are used for solving the problem that the operation risk is easily caused by inconvenient adjustment of water injection quantity in the traditional ureteroscope operation.
To achieve the above object, an embodiment of the present invention provides a water injector for a ureteroscope, the water injector includes an outer water injection cylinder and an inner water injection cylinder, the outer water injection cylinder includes an upper outer cylinder and a lower outer cylinder which are respectively connected with the inner water injection cylinder body in a rotating manner, so that the inner water injection cylinder is sealed and embedded in the upper outer cylinder and the lower outer cylinder, the lower outer cylinder is disposed below the upper outer cylinder, a cavity for liquid circulation is formed between the outer walls and the inner walls of the two outer cylinders, a through hole for communicating the cavity is formed in the inner wall of the upper outer cylinder, a water inlet pipe for communicating the cavity is fixedly connected to the outer wall of the upper outer cylinder, at least two water inlets with diameters decreasing in sequence along the circumferential direction and each for connecting the through hole are formed in the outer wall of the upper half of the inner water injection cylinder, a water outlet for communicating the cavity of the lower outer cylinder is formed in the outer wall of the lower half of the inner water injection cylinder, and a water outlet for communicating the cavity is fixedly connected to the outer wall of the lower outer cylinder.
By adopting the technical scheme, the two water injection barrels are arranged, wherein the outer water injection barrel consists of two annular barrels matched with and sleeved on the inner water injection barrel, the inner water injection barrel is sealed and embedded in the upper outer barrel and the lower outer barrel, the inner water injection barrel is rotationally connected in the outer water injection barrel, the upper outer barrel and the lower outer barrel are both arranged into the annular barrels with cavities formed between the outer wall and the inner wall, the cavities of the upper outer barrel and the lower outer barrel are used for liquid circulation, the inner water injection barrel directly adopts a cylindrical barrel with the cavities formed therein, the outer wall of the upper half part of the inner water injection barrel is provided with a water inlet communicated with the cavities of the inner water injection barrel and the cavities of the upper outer barrel, the outer wall of the lower half part of the inner water injection barrel is provided with a water outlet communicated with the cavities of the inner water injection barrel, so that liquid is filled in the cavities of the upper outer barrel upwards through the water inlet pipe, the liquid in the cavities of the upper outer barrel flows into the inner water injection barrel along the water inlet, the cavities of the lower outer barrel and flows out of the cavities of the lower outer barrel through the water outlet pipe, the structure is simple, the operation is convenient, and the water injection can be ensured, and water can not be easily interrupted when water is injected outside the upper water inlet pipe; on the basis of the scheme, the water inlets are arranged in a plurality, the calibers of the water inlets are gradually decreased and distributed along the circumferential outer wall of the inner water injection cylinder, through holes communicated with the cavity of the upper outer cylinder are formed in the inner wall of the ring of the upper outer cylinder, the inner water injection cylinder is matched with the inner water injection cylinder to be inlaid in the upper outer cylinder and the lower outer cylinder, the water inlets with different calibers on the inner water injection cylinder are respectively matched on the through holes through rotation of the inner water injection cylinder, so that liquid in the upper outer cylinder flows into the inner water injection cylinder along the matched water inlets, and therefore the water injection quantity and pressure flowing into the inner water injection cylinder are regulated, and operation related complications caused by overlarge renal internal pressure can be avoided while the water injection pressure is ensured.
Further, the upper outer cylinder and the lower outer cylinder are annular cylinders with mounting channels formed in the middle, the mounting channels in the upper outer cylinder are provided with openings on the bottom surface of the upper outer cylinder, and the mounting channels in the lower outer cylinder are provided with openings on the top surface and the bottom surface of the lower outer cylinder.
Further, the bottom surface of the upper outer cylinder is attached to the top surface of the lower outer cylinder, and an annular buckle fixer is arranged at the attachment position of the upper outer cylinder and the lower outer cylinder in a surrounding mode.
Further, an annular hole communicated with the cavity of the lower outer cylinder is formed in the inner wall of the lower outer cylinder along the circumferential direction, the upper hole wall of the annular hole is located above the water outlet, and the lower hole wall of the annular hole is located below the water outlet.
Through adopting above-mentioned technical scheme, set up buckle fixer and link together with the urceolus down, only need fix the urceolus, make down the urceolus can not follow the rotation when rotating interior water injection section of thick bamboo, because the urceolus is the annular section of thick bamboo down, set up the annular hole of the urceolus cavity down of intercommunication on the ring inner wall of urceolus down, and the delivery port that makes interior water injection section of thick bamboo is located the annular hole, thereby ensure to rotate arbitrary angle with interior water injection section of thick bamboo, the delivery port on the interior water injection section of thick bamboo is located annular hole all the time, be convenient for when matching the water inlet of different bore, the liquid homoenergetic in the interior water injection section of thick bamboo flows into in the cavity of urceolus down along the annular hole through the delivery port.
Further, the number of the water inlets is five, and the water inlet with the largest caliber is consistent with the caliber of the through hole.
Through adopting above-mentioned technical scheme, set up five water inlets that the bore is progressively decreased in proper order to make the biggest water inlet of bore unanimous with the through-hole bore on the outer cylinder ring inner wall, through rotatory interior water injection section of thick bamboo, make the through-hole match the water inlet of different bore respectively, thereby make the interior water injection section of thick bamboo of water injection of water inflow in the upper outer cylinder cavity along the water inlet that matches, be convenient for adjust water filling volume and pressure, and because interior water injection section of thick bamboo seals inlay in upper outer cylinder and lower urceolus, make the outer wall of interior water injection section of thick bamboo hug closely on the ring inner wall of upper outer cylinder and lower urceolus, also can avoid having the condition of leakage when leading to the liquid flow through-hole in the upper outer cylinder because of the bore of water inlet is less than the bore of through-hole.
Further, the bottom of the inner water injection cylinder protrudes out of the bottom surface of the lower outer cylinder, and a rotary handle is fixedly connected to the bottom surface of the inner water injection cylinder.
The embodiment of the invention also provides a water injection device which comprises a water injector, a water pump, a water delivery pipe, a three-way pipe and a ureteroscope, wherein the three-way pipe is a T-shaped pipe, an inlet, a first outlet and a second outlet which are mutually communicated are respectively formed at three ends of the T-shaped pipe, one end of the water delivery pipe is connected to a water outlet of the water pump, the other end of the water delivery pipe is connected to the inlet of the three-way pipe, the first outlet of the three-way pipe is connected with a water inlet pipe of an upper outer barrel of the water injector, and a water outlet pipe of a lower outer barrel of the water injector is connected with the ureteroscope.
Through adopting above-mentioned technical scheme, be connected water injector with water pump, ureteroscope, reach the purpose of adjusting liquid flow through the interior water injection section of thick bamboo of rotatory water injector, avoided the water pump to the direct pressure of kidney to and the frequent imprecise operation of manual water injection.
Further, a second outlet of the three-way pipe is connected with an infusion device.
By adopting the technical scheme, the second water outlet of the three-way pipe is connected with the infusion device, so that on one hand, the excessive water quantity of the water pump can be avoided, and the perfusion water can be split by the infusion device; on the other hand, when water injection is not needed in the operation, the instrument loss caused by the idling of the water pump can be reduced.
The embodiment of the invention has the following advantages:
The invention relates to a water injector and a water injection device for a ureteroscope, wherein the water injector consists of two water injection cylinders, an outer water injection cylinder comprises two annular cylinders which are matched and sleeved on an inner water injection cylinder, cavities are formed between the annular outer walls and the inner annular walls of the two annular cylinders, the cavities of the upper outer cylinder are communicated with the upper half part of the inner water injection cylinder, the cavities of the lower outer cylinder are communicated with the lower half part of the inner water injection cylinder, the inner water injection cylinder is hermetically inlaid in the upper outer cylinder and the lower outer cylinder and can rotate, a plurality of water inlets with diameters decreasing in sequence and used for communicating the cavities of the inner water injection cylinder with the cavities of the upper outer cylinder are arranged on the outer wall of the upper half part of the inner water injection cylinder, and through rotating the inner water injection cylinder, liquid in the upper outer cylinder flows into the inner water injection cylinder along the matched water inlets, so that the water injection quantity and the pressure are regulated, the water injector, the ureteroscope are connected to form the water injection device with a simple structure, and the related complications caused by excessive kidney internal pressure can be avoided while the water injection pressure is ensured.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a water injector according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an internal structure of a water injector according to an embodiment of the present invention.
Fig. 3 is an exploded schematic view of a structure of a water injector according to an embodiment of the present invention.
Fig. 4 is a schematic overall structure of a water injection device according to embodiment 3 of the present invention.
In the figure: 1. an outer water injection cylinder; 11. an upper outer cylinder; 111. a through hole; 112. a water inlet pipe; 12. a lower outer cylinder; 121. a water outlet pipe; 122. an annular hole; 2. an inner water injection cylinder; 21. a water inlet; 22. a water outlet; 3. a buckle fixer; 4. rotating the handle; 5. a water pump; 6. a water pipe; 7. a three-way pipe; 71. an inlet; 72. a first outlet; 73. a second outlet; 8. ureteroscope.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
Example 1
As shown in fig. 1 and 2, an embodiment of the present invention provides a water injector for a ureteroscope, comprising an outer water injection cylinder 1 and an inner water injection cylinder 2. The outer water injection cylinder 1 comprises an upper outer cylinder 11 and a lower outer cylinder 12 which are respectively connected with the inner water injection cylinder 2 in a rotating way, wherein the upper outer cylinder 11 and the lower outer cylinder 12 are annular cylinders with installation channels formed in the middle, the installation channels in the upper outer cylinder 11 are formed with openings on the bottom surface of the upper outer cylinder 11, the installation channels in the lower outer cylinder 12 are formed with openings on the top surface and the bottom surface of the lower outer cylinder 12, and the lower outer cylinder 12 is arranged below the upper outer cylinder 11. The inner water injection cylinder 2 is a cylindrical cylinder with a cavity formed inside, the inner water injection cylinder 2 is hermetically inlaid in the mounting channels of the upper outer cylinder 11 and the lower outer cylinder 12, so that the outer wall of the upper half part of the inner water injection cylinder 2 is tightly attached to the annular inner wall of the upper outer cylinder 11, and the outer wall of the lower half part of the inner water injection cylinder 2 is tightly attached to the annular inner wall of the lower outer cylinder 12.
As described above, the outer walls and the inner walls of the upper outer tube 11 and the lower outer tube 12 are provided with the hollow space for the liquid to circulate, the inner wall of the ring of the upper outer tube 11 is provided with the through hole 111 for communicating the hollow space, the outer wall of the ring of the upper outer tube 11 is fixedly connected with the water inlet tube 112 for communicating the hollow space, the inner wall of the ring of the lower outer tube 12 is provided with the annular hole 122 for communicating the hollow space along the circumferential direction, and the outer wall of the lower outer tube 12 is fixedly connected with the water outlet tube 121 for communicating the hollow space. In order to enable the upper outer cylinder 11 and the lower outer cylinder 12 to circulate with the liquid in the inner water injection cylinder 2 respectively, a plurality of water inlets 21 with diameters decreasing in sequence and used for connecting the through holes 111 are formed in the outer wall of the upper half part of the inner water injection cylinder 2 along the circumferential direction, wherein the water inlets 21 are provided with five water inlets 21 (refer to fig. 3), and the water inlet 21 with the largest diameter is consistent with the diameter of the through holes 111; the outer wall of the lower half part of the inner water injection cylinder 2 is provided with a water outlet 22 used for communicating the cavity of the lower outer cylinder 12, wherein the upper hole wall of the annular hole 122 is positioned above the water outlet 22, and the lower hole wall of the annular hole 122 is positioned below the water outlet 22, so that the water outlet 22 of the inner water injection cylinder 2 is positioned in the annular hole 122, when the lower outer cylinder 12 is not moved, the inner water injection cylinder 2 is ensured to rotate by any angle, the water outlet 22 on the inner water injection cylinder 2 is always positioned in the annular hole 122, and when the upper outer cylinder 11 is matched with the water inlets 21 with different calibers, liquid in the inner water injection cylinder 2 can flow into the cavity of the lower outer cylinder 12 along the annular hole 122 through the water outlet 22. In order to facilitate the rotation of the inner water injection cylinder 2, the bottom of the inner water injection cylinder 2 protrudes out of the bottom surface of the lower outer cylinder 12, and a rotary handle 4 is fixedly connected to the bottom surface of the inner water injection cylinder 2.
According to the water injector for the ureteroscope, the upper half part of the inner water injection cylinder 2 is communicated with the cavity of the upper outer cylinder 11, the lower half part of the inner water injection cylinder 2 is communicated with the cavity of the lower outer cylinder 12, so that water is injected into the cavity of the upper outer cylinder 11 through the water inlet pipe 112 externally connected with a water source, the liquid in the cavity of the upper outer cylinder 11 flows into the inner water injection cylinder 2 along the water inlet 21, flows into the cavity of the lower outer cylinder 12 through the water outlet 22 on the inner water injection cylinder 2, flows out of the cavity of the lower outer cylinder 12 through the water outlet pipe 121, the structure is simple, the operation is convenient, only the water source is externally connected with the water inlet pipe 112 of the upper outer cylinder 11, the condition that water is not easy to cut off during the operation is ensured, and the water inlets 21 with different calibers on the inner water injection cylinder 2 are respectively matched with the through holes 111 on the inner wall of the upper outer cylinder 11, the liquid in the upper outer cylinder 11 flows into the inner water injection cylinder 2 along the matched water inlet 21, so that the water injection quantity and the pressure are regulated, the operation pressure is ensured, and the related complications caused by the excessive renal internal pressure can be avoided.
Example 2
The difference from embodiment 1 is that, as shown in fig. 1 and 3, the bottom surface of the upper outer cylinder 11 is attached to the top surface of the lower outer cylinder 12, and an annular buckle fixer 3 is enclosed at the attachment position of the upper outer cylinder 11 and the lower outer cylinder 12, and the upper outer cylinder 11 and the lower outer cylinder 12 are connected together by arranging the buckle fixer 3, only the upper outer cylinder 11 needs to be fixed, the lower outer cylinder 12 is ensured not to rotate along with the rotation when the inner water injection cylinder 2 rotates, the condition that the water outlet pipe 121 on the lower outer cylinder 12 is wound is avoided, and the use is convenient.
Example 3
The embodiment of the invention also provides a water injection device, which comprises a water injector, as shown in fig. 4, wherein the water injector adopts the water injector provided by the embodiment of the invention. The water injection device further comprises a water pump 5, a water pipe 6, a three-way pipe 7 and a ureteroscope 8, wherein the three-way pipe 7 is a T-shaped pipe, an inlet 71, a first outlet 72 and a second outlet 73 which are mutually communicated are formed at three ends of the T-shaped pipe respectively, one end of the water pipe 6 is connected to a water outlet of the water pump 5, the other end of the water pipe is connected to the inlet 71 of the three-way pipe 7, the first outlet 72 of the three-way pipe 7 is connected with a water inlet pipe 112 of an upper outer barrel 11 of the water injector through a pipeline, and a water outlet pipe 121 of a lower outer barrel 12 of the water injector is connected with the ureteroscope 8 through a pipeline, so that the aim of adjusting the liquid flow is fulfilled by the inner water injection barrel 2 of the rotary water injector, and the direct pressure of the water pump 5 to kidneys and frequent inaccurate operation of manual water injection are avoided. The second outlet 73 of the three-way pipe 7 is also connected with an infusion device, so that on one hand, the excessive water quantity of the water pump 5 can be avoided, and the infusion water can be split by the infusion device; on the other hand, when water injection is not needed in the operation, the loss of the instrument caused by the idle running of the water pump 5 can be reduced. Compared with the existing intraoperative water injection mode, the water injection device provided by the embodiment of the invention simplifies the matching step of the intraoperative main knife and an assistant, is simple to operate, practical, simple and convenient, low in equipment manufacturing cost, convenient for an operator, and capable of reducing the economic pressure brought to a patient, and the water injection device can be directly connected with the existing operation equipment, so that the use is convenient.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (6)
1. A water injector for a ureteroscope, characterized in that: the water injector comprises an outer water injection cylinder (1) and an inner water injection cylinder (2), the outer water injection cylinder (1) comprises an upper outer cylinder (11) and a lower outer cylinder (12) which are respectively connected with the cylinder body of the inner water injection cylinder (2) in a rotating way, so that the inner water injection cylinder (2) is embedded in the upper outer cylinder (11) and the lower outer cylinder (12) in a sealing way, the lower outer cylinder (12) is arranged below the upper outer cylinder (11), cavities for liquid circulation are formed between the outer walls and the inner walls of the two outer cylinders, through holes (111) for communicating the cavities are formed on the inner wall of the upper outer cylinder (11), a water inlet pipe (112) for communicating the cavities of the upper outer cylinder (11) is fixedly connected on the outer wall of the upper outer cylinder (11), at least two water inlets (21) with diameters decreasing in sequence and each connecting the through holes (111) are formed on the outer wall of the upper half part of the inner water injection cylinder (2), water outlets (22) for communicating the cavities of the lower outer cylinder (12) are formed on the outer wall of the lower half part of the inner cylinder (2), annular water outlets (122) are fixedly connected on the outer wall of the lower outer cylinder (12) and are positioned on the annular water outlet (122) above the annular hole (122) which is positioned on the annular upper wall (122) of the lower outer cylinder (12), five water inlets (21) are arranged, and the water inlet (21) with the largest caliber is consistent with the caliber of the through hole (111).
2. The water injector for a ureteroscope according to claim 1, characterized in that: the upper outer cylinder (11) and the lower outer cylinder (12) are annular cylinders with mounting channels formed in the middle, the mounting channels in the upper outer cylinder (11) are provided with openings on the bottom surface of the upper outer cylinder (11), and the mounting channels in the lower outer cylinder (12) are provided with openings on the top surface and the bottom surface of the lower outer cylinder (12).
3. The water injector for ureteroscope according to claim 2, characterized in that: the bottom surface of the upper outer cylinder (11) is attached to the top surface of the lower outer cylinder (12), and an annular buckle fixer (3) is arranged at the attachment position of the upper outer cylinder (11) and the lower outer cylinder (12) in a surrounding mode.
4. The water injector for a ureteroscope according to claim 1, characterized in that: the bottom of the inner water injection cylinder (2) protrudes out of the bottom surface of the lower outer cylinder (12), and a rotary handle (4) is fixedly connected to the bottom surface of the inner water injection cylinder (2).
5. A water injection device comprising a water injector for a ureteroscope according to any one of claims 1-4, characterized in that: the water injection device further comprises a water pump (5), a water delivery pipe (6), a three-way pipe (7) and a ureteroscope (8), wherein the three-way pipe (7) is a T-shaped pipe, an inlet (71), a first outlet (72) and a second outlet (73) which are mutually communicated are formed at the three ends of the T-shaped pipe respectively, one end of the water delivery pipe (6) is connected to a water outlet of the water pump (5), the other end of the water delivery pipe is connected to the inlet (71) of the three-way pipe (7), a first outlet (72) of the three-way pipe (7) is connected with a water inlet pipe (112) of an upper outer barrel (11) of the water injector, and a water outlet pipe (121) of a lower outer barrel (12) of the water injector is connected with the ureteroscope (8).
6. A water injection device according to claim 5, wherein: and a second outlet (73) of the three-way pipe (7) is connected with an infusion device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811348646 | 2018-11-13 | ||
| CN2018113486463 | 2018-11-13 |
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| Publication Number | Publication Date |
|---|---|
| CN109276313A CN109276313A (en) | 2019-01-29 |
| CN109276313B true CN109276313B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811456817.4A Active CN109276313B (en) | 2018-11-13 | 2018-11-30 | Water injector and water injection device for ureteroscope |
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| CN (1) | CN109276313B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842178B (en) * | 2021-09-29 | 2023-05-16 | 山东大学第二医院 | Water injection equipment for ureteroscope operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104095665A (en) * | 2014-07-15 | 2014-10-15 | 中国人民解放军第二军医大学 | Membrane type ureteral calculus blocking removal machine |
| CN104922742A (en) * | 2015-07-03 | 2015-09-23 | 陈勇 | Negative-pressure suction adjustment device for trans-sheath stone extraction with endoscope |
| WO2016008293A1 (en) * | 2014-07-15 | 2016-01-21 | 中国人民解放军第二军医大学 | Urinary system stone intraluminal sleeving and removal apparatus |
| CN105559854A (en) * | 2016-01-04 | 2016-05-11 | 吴娟 | Coaxial sleeve tube type water circulation quick calculus removal device used after flexible ureteroscope lithotripsy |
| CN106983527A (en) * | 2017-03-20 | 2017-07-28 | 四川大学华西医院 | A kind of Flexible ureteroscope water filling device |
| CN209347212U (en) * | 2018-11-13 | 2019-09-06 | 中江县人民医院 | A kind of injector and water filling device for ureteroscope |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102068232B (en) * | 2011-01-28 | 2013-04-10 | 周均洪 | Combined rigid ureteroscope |
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| CN104095665A (en) * | 2014-07-15 | 2014-10-15 | 中国人民解放军第二军医大学 | Membrane type ureteral calculus blocking removal machine |
| WO2016008293A1 (en) * | 2014-07-15 | 2016-01-21 | 中国人民解放军第二军医大学 | Urinary system stone intraluminal sleeving and removal apparatus |
| CN104922742A (en) * | 2015-07-03 | 2015-09-23 | 陈勇 | Negative-pressure suction adjustment device for trans-sheath stone extraction with endoscope |
| CN105559854A (en) * | 2016-01-04 | 2016-05-11 | 吴娟 | Coaxial sleeve tube type water circulation quick calculus removal device used after flexible ureteroscope lithotripsy |
| CN106983527A (en) * | 2017-03-20 | 2017-07-28 | 四川大学华西医院 | A kind of Flexible ureteroscope water filling device |
| CN209347212U (en) * | 2018-11-13 | 2019-09-06 | 中江县人民医院 | A kind of injector and water filling device for ureteroscope |
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| CN109276313A (en) | 2019-01-29 |
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