CN219963599U - Disposable flushing device for microsurgery - Google Patents
Disposable flushing device for microsurgery Download PDFInfo
- Publication number
- CN219963599U CN219963599U CN202222551353.3U CN202222551353U CN219963599U CN 219963599 U CN219963599 U CN 219963599U CN 202222551353 U CN202222551353 U CN 202222551353U CN 219963599 U CN219963599 U CN 219963599U
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- China
- Prior art keywords
- piston
- needle
- pipe section
- microsurgery
- irrigation device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 71
- 238000002406 microsurgery Methods 0.000 title claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 230000002262 irrigation Effects 0.000 claims description 26
- 238000003973 irrigation Methods 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 40
- 230000000740 bleeding effect Effects 0.000 abstract description 11
- 239000007921 spray Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 5
- 206010052428 Wound Diseases 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 206010048038 Wound infection Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002874 hemostatic agent Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000037816 tissue injury Diseases 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a disposable flushing device used in microsurgery, which comprises a syringe, a water supply pipe and an indwelling needle. The injector comprises a piston and a cylinder, wherein the piston is arranged in the cylinder in a sealing sliding manner, and a first one-way valve for forward flowing of flushing fluid is arranged at the front end part of the piston; the water supply pipe is provided with a first pipe section and a second pipe section which are connected, the first pipe section is positioned in the piston, the front end of the first pipe section is connected with the first one-way valve, the second pipe section is positioned outside the piston, and the tail end of the second pipe section is used for being connected with a flushing fluid source; the rear end of the retaining needle is internally provided with a second one-way valve for the flushing fluid to flow forwards, and the rear end of the retaining needle is connected with the front end outlet of the cylinder body. The utility model can accurately and gently spray the flushing liquid to the bleeding point, has the function of continuously supplying the flushing liquid, and avoids the problem that the flusher is required to be frequently transmitted in operation.
Description
Technical Field
The utility model relates to the technical field of novel medical instruments, in particular to a disposable flushing device used in microsurgery.
Background
With the development of technology, surgery is also being developed to be minimally invasive and refined. In surgery, bleeding in the surgical area seriously affects the surgical field and operation, and sterile saline is often used in surgery to flush wounds.
The general disposable ball lavage device used in the operation room is only suitable for large incision operation, and when the microsurgery is performed, the water outlet of the disposable ball lavage device is thick, the accuracy is insufficient, the flushing water quantity and the impact force are too large, and the water yield and the flushing point are not easy to control.
During microsurgery, a syringe of 20ml and an indwelling needle are used for manufacturing a flusher by a clinic, but the self-made flusher is small in capacity, and the flusher needs to be frequently transferred with a hand-brushing nurse, so that the cooperation of medical assistance and the vision of a doctor of a main knife are affected, and the transfer process is very easy to touch a surgical microscope on a table, so that the microscope is severely shaken, the operation of the doctor of the main knife is seriously affected, even the misoperation of the doctor of the main knife is caused, and the safety of a patient is threatened. In addition, repeated delivery increases the risk of wound infection in the patient.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a disposable irrigation device for microsurgery, which can accurately and gently spray irrigation fluid to a bleeding point, has a function of continuously supplying irrigation fluid, and avoids the problem that frequent delivery of an irrigator is required during operation.
A disposable irrigation device for use in microsurgery according to an embodiment of the utility model comprises:
the syringe comprises a piston and a cylinder, wherein the piston is arranged in the cylinder in a sealing sliding manner, and a first one-way valve for forward flowing of flushing fluid is arranged at the front end part of the piston;
the water supply pipe is provided with a first pipe section and a second pipe section which are connected, the first pipe section is positioned in the piston, the front end of the first pipe section is connected with the first one-way valve, the second pipe section is positioned outside the piston, and the tail end of the second pipe section is used for being connected with a flushing fluid source;
the retaining needle is internally provided with a second one-way valve for the flushing fluid to flow forwards at the rear end of the retaining needle, and the rear end of the retaining needle is connected with the front end outlet of the cylinder body.
The disposable flushing device for microsurgery has the advantages that firstly, the flushing liquid can be supplemented for the syringe by pulling the piston, namely, the flushing device has the function of continuously supplying the flushing liquid, the problem that the flushing device needs to be frequently transmitted in operation due to the adoption of the self-made flushing device with smaller capacity is avoided, the influence of the operation process on the microsurgery process is small, and the infection risk of wounds of a patient can be reduced; secondly, by arranging the retaining needle, flushing liquid flows out from the front end of the retaining needle, and as the inner diameter of the front end outlet of the retaining needle is smaller, the water column sprayed out from the front end outlet of the retaining needle is thinner, the flushing liquid can be accurately sprayed at a bleeding point, and by controlling the pressure applied to the piston, the liquid outlet speed of the front end outlet of the retaining needle can be conveniently controlled, so that the liquid outlet speed is maintained at a lower level, and therefore, the flushing device can accurately and gently spray the flushing liquid at the bleeding point; thirdly, the utility model can be used by one hand, namely, the piston is pulled by one hand to supplement flushing liquid for the injector, and the piston is pushed by one hand to spray the flushing liquid, so that the use is more convenient.
In some embodiments, the inner diameter of the distal outlet of the indwelling needle is 1.1 to 1.5mm.
In some embodiments, the indwelling needle comprises a hard needle core and a soft sleeve, the hard needle core is a hollow tube, the hard needle core is embedded in the soft sleeve, the rear end of the hard needle core is communicated with the second one-way valve, the front end of the hard needle core is communicated with the front end outlet of the soft sleeve, and the front end outlet of the soft sleeve is the front end outlet of the indwelling needle.
In some embodiments, the indwelling needle can be bent to accommodate a variety of angles suitable for flushing.
In some embodiments, the front end outlet of the soft sleeve has a truncated cone shape.
In some embodiments, the hard core is a metal core.
In some embodiments, the connection between the rearward end of the indwelling needle and the forward end outlet of the barrel is a threaded connection.
In some embodiments, a perforation is provided in the barrel for the first tube segment to pass through.
In some embodiments, the barrel is provided with a scale.
In some embodiments, the second tube segment terminates in a hard tip.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a disposable irrigation device for use in microsurgery according to an embodiment of the utility model.
Reference numerals:
disposable irrigation device 1000 for use in microsurgery; a syringe 1; a piston 101; a cylinder 102;
a first check valve 103; a water supply pipe 2; a first pipe section 201; a second pipe segment 202; a retention needle 3;
a second check valve 301; a hard core 302; a soft sleeve 303.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
The disposable irrigation device 1000 of the present utility model for use in microsurgery is described below in connection with fig. 1.
As shown in fig. 1, a disposable flushing device 1000 for use in microsurgery according to an embodiment of the present utility model includes a syringe 1, a water supply pipe 2, and an indwelling needle 3, the syringe 1 including a piston 101 and a cylinder 102, the piston 101 being sealingly slidably disposed in the cylinder 102, a front end portion of the piston 101 being provided with a first check valve 103 for forward flow of flushing fluid; the water supply pipe 2 is provided with a first pipe section 201 and a second pipe section 202 which are connected, the first pipe section 201 is positioned in the piston 101, the front end of the first pipe section 201 is connected with the first one-way valve 103, the second pipe section 202 is positioned outside the piston 101, and the tail end of the second pipe section 202 is used for being connected with a flushing liquid source; a second one-way valve 301 for the forward flow of the flushing liquid is arranged in the rear end of the retention needle 3, and the rear end of the retention needle 3 is connected with the front end outlet of the cylinder 102.
Specifically, the syringe 1 includes a piston 101 and a cylinder 102, the piston 101 is sealingly slidably disposed in the cylinder 102, that is, the piston 101 is movable forward or backward with respect to the cylinder 102, and gas or liquid in a cavity defined by a front end portion of the piston 101 and an inner wall of the cylinder 102 cannot be discharged from between the piston 101 and the cylinder 102. The front end of the piston 101 is provided with a first one-way valve 103 for forward flow of the flushing fluid, that is, the flushing fluid can flow from the front end of the piston 101 through the first one-way valve 103 into a cavity defined by the front end of the piston 101 and the inner wall of the cylinder 102, and the flushing fluid in the cavity cannot flow back through the first one-way valve 103. The flushing liquid is sterile physiological saline, but is not limited thereto, and other suitable flushing liquid can be selected according to the requirement when in use.
The water supply pipe 2 has a first pipe section 201 and a second pipe section 202 connected, the first pipe section 201 being located in the piston 101, and a front end of the first pipe section 201 being connected to the first check valve 103. It will be appreciated that the flushing liquid in the cavity defined by the front end of the piston 101 and the inner wall of the cylinder 102 cannot flow back to the first pipe section 201 through the first one-way valve 103, but the flushing liquid in the first pipe section 201 can flow into the cavity through the first one-way valve 103. The second pipe section 202 is located outside the piston 101 and the end of the second pipe section 202 is adapted to be connected to a source of flushing liquid, so that flushing liquid from the source of flushing liquid can enter the second pipe section 202, i.e. into the water supply pipe 2. A second one-way valve 301 for the forward flow of the flushing liquid is arranged in the rear end of the retention needle 3, and the rear end of the retention needle 3 is connected with the front end outlet of the cylinder 102. That is, when the flushing liquid is discharged from the front end outlet of the cylinder 102, the flushing liquid enters the indwelling needle 3, and by providing the second check valve 301, the flushing liquid in the cylinder 102 can enter the indwelling needle 3, and the gas or liquid in the indwelling needle 3 cannot enter the cylinder 102.
The use of the disposable irrigation device 1000 for use in microsurgery of the present utility model is described below. Firstly, the tail end of the second pipe section 202 is connected with a flushing fluid source, and then the piston 101 is pulled backwards relative to the cylinder 102, at this time, because the space between the cylinder 102 and the piston 101 is sealed, external gas cannot enter a cavity defined by the front end of the piston 101 and the inner wall of the cylinder 102 through the second one-way valve 301, so that the pressure in the cavity can be reduced, and flushing fluid in the flushing fluid source can enter the cavity along the first pipe section 201 and the second pipe section 202 of the water supply pipe 2 through the first one-way valve 103; then, the piston 101 is pushed forward relative to the cylinder 102, and the flushing liquid in the cavity cannot flow back into the water supply pipe 2 due to the existence of the first one-way valve 103, and the flushing liquid in the cavity flows out from the front end of the indwelling needle 3 through the second one-way valve 301 under the thrust action of the piston 101, so that the position (such as a bleeding point) to be flushed is flushed. It can be appreciated that the flushing device 1000 of the present utility model can supplement the flushing fluid to the syringe 1 by pulling the piston 101, thereby avoiding the problem that the flushing device needs to be frequently transferred during operation due to the adoption of a self-made flushing device with smaller capacity, being more convenient to use, being capable of completing the operation by one hand, having smaller influence on the microsurgical process during the operation process, and being capable of reducing the infection risk of the wound of the patient.
The utility model sets the detaining needle 3 to make the flushing liquid flow out from the front end of the detaining needle 3, because the inner diameter of the front end outlet of the detaining needle 3 is smaller, the water column sprayed out from the front end outlet of the detaining needle 3 is thinner, and can be accurately sprayed at the bleeding point, and the liquid outlet speed of the front end outlet of the detaining needle 3 can be conveniently controlled by controlling the pressure applied to the piston 101, so that the liquid outlet speed is maintained at a lower level, and therefore, the flushing device 1000 of the utility model can be used for accurately and gently spraying the flushing liquid at the bleeding point.
The disposable irrigation device 1000 for microsurgery according to the embodiment of the utility model has the advantages that firstly, the irrigation liquid can be supplemented for the syringe 1 by pulling the piston 101, namely the irrigation device 1000 of the utility model has the function of continuously supplying the irrigation liquid, the problem that the irrigator needs to be frequently transmitted in operation due to the adoption of a self-made irrigator with smaller capacity is avoided, the influence of the operation process on the microsurgery process is less, and the infection risk of the wound of a patient can be reduced; secondly, by arranging the indwelling needle 3, the flushing liquid flows out from the front end of the indwelling needle 3, and as the inner diameter of the front end outlet of the indwelling needle 3 is smaller, the water column sprayed out from the front end outlet of the indwelling needle 3 is thinner, the flushing liquid can be accurately sprayed at the bleeding point, the liquid outlet speed of the front end outlet of the indwelling needle 3 can be conveniently controlled by controlling the pressure applied to the piston 101, and the liquid outlet speed is maintained at a lower level, so that the flushing liquid can be accurately and gently sprayed at the bleeding point by using the flushing device 1000 of the utility model; thirdly, the utility model can be used by one hand, namely, the piston 101 is pulled by one hand to supplement the flushing fluid for the injector 1, and the piston 101 is pushed by one hand to spray the flushing fluid, so that the utility model is more convenient to use.
In some embodiments, the inner diameter of the front end outlet of the indwelling needle 3 is 1.1 to 1.5mm. Therefore, the water column sprayed by the indwelling needle 3 can be thinner, the flushing liquid can be accurately sprayed on the bleeding point, and a better flushing effect can be realized. Preferably, the inner diameter of the distal end outlet of the indwelling needle 3 is 1.3mm.
In some embodiments, as shown in fig. 1, the indwelling needle 3 includes a hard needle core 302 and a soft cannula 303, the hard needle core 302 is a hollow tube, the hard needle core 302 is embedded in the soft cannula 303, the rear end of the hard needle core 302 is communicated with the second one-way valve 301, the front end of the hard needle core 302 is communicated with the front end outlet of the soft cannula 303, and the front end outlet of the soft cannula 303 is the front end outlet of the indwelling needle 3, that is, the hard needle core 302 is completely arranged in the soft cannula 303. By adopting the design that the hard needle core 302 is embedded in the soft sleeve 303, the situation that the hard needle core 302 punctures medical staff and the tissues of a patient is not easy to occur during use, and the use is safer.
Further, as shown in fig. 1, the front end opening of the hard needle core 302 is flat, that is, the front end of the hard needle core 302 is of a non-pointed design, so that the needle puncture of medical staff and the tissue injury of a patient can be effectively avoided.
In some embodiments, the indwelling needle 3 can be bent to accommodate a variety of angles suitable for flushing, to facilitate flushing operations.
In some embodiments, as shown in fig. 1, the front end outlet of the soft cannula 303 has a frustoconical shape. This allows the irrigation device 1000 of the present utility model to be used without any puncture of medical personnel or damage to patient tissue.
In some embodiments, the rigid core 302 is a metal core that can be conveniently bent to accommodate a variety of suitable irrigation angles, such as by bending the indwelling needle 3 to a desired angle with a hemostat or needle holder.
In some embodiments, the connection between the rearward end of the indwelling needle 3 and the forward outlet of the barrel 102 is a threaded connection. It will be appreciated that this avoids the rear end of the needle 3 from disengaging from the front end outlet of the barrel 102 when the flush device 1000 of the present utility model is in use. Specifically, an external thread is arranged on the front end outlet of the barrel 102, and an internal thread is arranged at the rear end of the detaining needle 3, and the external thread is matched with the internal thread, so that the connection between the rear end of the detaining needle 3 and the front end outlet of the barrel 102 is realized.
In some embodiments, as shown in fig. 1, perforations are provided in the barrel 102 through which the first tube segment 201 is threaded. This reduces the impact of the presence of the water supply pipe 2 on the use of the syringe 1. Specifically, the perforation includes vertical section and horizontal section, and the one end of vertical section communicates with the one end of horizontal section, and vertical section extends along the radial direction of piston 101, and the axial direction of piston 101 is followed to the horizontal section extension, and the other end of vertical section is located on the circumference lateral wall of piston 101, and the other end of vertical section is close to the terminal end of piston 101, and the other end of horizontal section is located the front end tip department of piston 101, and the front end of first pipeline section 201 runs through in proper order behind vertical section and the horizontal section and is connected with first check valve 103. Specifically, the water supply pipe 2 is a medical hose.
In some embodiments, a scale is provided on the barrel 102 so that a user can calculate the cumulative flush volume of the flushing fluid from the scale on the barrel 102. Alternatively, the maximum volume of the cylinder 102 is 20mL or 50mL, but not limited thereto, and the maximum volume of the cylinder 102 may be adjusted according to clinical requirements.
In some embodiments, as shown in FIG. 1, the end of the second tube segment 202 is a hard tip, so that the end of the second tube segment 202 can be conveniently connected to an existing irrigation fluid source, such as bottled or bagged saline, for ease of use.
In some embodiments, the disposable irrigation device 1000 used in microsurgery is a disposable article that is safer and more convenient to use and less prone to cross-infection.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A disposable irrigation device for use in microsurgery, comprising:
the syringe comprises a piston and a cylinder, wherein the piston is arranged in the cylinder in a sealing sliding manner, and a first one-way valve for forward flowing of flushing fluid is arranged at the front end part of the piston;
the water supply pipe is provided with a first pipe section and a second pipe section which are connected, the first pipe section is positioned in the piston, the front end of the first pipe section is connected with the first one-way valve, the second pipe section is positioned outside the piston, and the tail end of the second pipe section is used for being connected with a flushing fluid source;
the retaining needle is internally provided with a second one-way valve for the flushing fluid to flow forwards at the rear end of the retaining needle, and the rear end of the retaining needle is connected with the front end outlet of the cylinder body.
2. The disposable irrigation device for use in microsurgery according to claim 1, wherein the inner diameter of the front end outlet of the indwelling needle is 1.1-1.5 mm.
3. The disposable irrigation device for use in microsurgery according to claim 1, wherein the indwelling needle comprises a hard needle core and a soft cannula, the hard needle core is a hollow tube, the hard needle core is embedded in the soft cannula, the rear end of the hard needle core is communicated with the second one-way valve, the front end of the hard needle core is communicated with the front end outlet of the soft cannula, and the front end outlet of the soft cannula is the front end outlet of the indwelling needle.
4. A disposable irrigation device for use in microsurgery according to claim 3, wherein the indwelling needle can be bent to accommodate a variety of irrigation-suitable angles.
5. A disposable irrigation device for use in microsurgery according to claim 3 wherein the front end outlet of the soft cannula is frustoconical in shape.
6. A disposable irrigation device for use in microsurgery according to claim 3 wherein the hard needle core is a metal needle core.
7. The disposable irrigation device for use in microsurgery according to any of claims 1-6 wherein the connection between the rearward end of the indwelling needle and the forward end outlet of the barrel is a threaded connection.
8. The disposable irrigation device for use in microsurgery according to any of claims 1-6 wherein a perforation is provided in the barrel through which the first tube section is threaded.
9. A disposable irrigation device for use in microsurgery according to any of claims 1-6 wherein the barrel is provided with graduations.
10. The disposable irrigation device for use in microsurgery according to any of claims 1-6 wherein the second tube section terminates in a hard tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222551353.3U CN219963599U (en) | 2022-09-26 | 2022-09-26 | Disposable flushing device for microsurgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222551353.3U CN219963599U (en) | 2022-09-26 | 2022-09-26 | Disposable flushing device for microsurgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219963599U true CN219963599U (en) | 2023-11-07 |
Family
ID=88591493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222551353.3U Active CN219963599U (en) | 2022-09-26 | 2022-09-26 | Disposable flushing device for microsurgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219963599U (en) |
-
2022
- 2022-09-26 CN CN202222551353.3U patent/CN219963599U/en active Active
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