CN109498884B - Built-in type flusher - Google Patents
Built-in type flusher Download PDFInfo
- Publication number
- CN109498884B CN109498884B CN201910027348.2A CN201910027348A CN109498884B CN 109498884 B CN109498884 B CN 109498884B CN 201910027348 A CN201910027348 A CN 201910027348A CN 109498884 B CN109498884 B CN 109498884B
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- China
- Prior art keywords
- liquid storage
- liquid
- liquid outlet
- storage cavity
- elastic wall
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- 239000007788 liquid Substances 0.000 claims abstract description 234
- 238000003860 storage Methods 0.000 claims abstract description 107
- 239000012530 fluid Substances 0.000 claims abstract description 88
- 238000011010 flushing procedure Methods 0.000 claims abstract description 45
- 239000011550 stock solution Substances 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 abstract description 2
- 239000003814 drug Substances 0.000 description 25
- 238000005406 washing Methods 0.000 description 16
- 230000009471 action Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 9
- 230000002262 irrigation Effects 0.000 description 6
- 238000003973 irrigation Methods 0.000 description 6
- 230000008602 contraction Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000013013 elastic material Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000045682 Trypauchen vagina Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000002254 contraceptive effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0233—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs
- A61M3/0254—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs the liquid being pumped
- A61M3/0262—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs the liquid being pumped manually, e.g. by squeezing a bulb
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/14—Female reproductive, genital organs
- A61M2210/1475—Vagina
Abstract
An imbedded flusher relates to the field of medical appliances. The implantable flusher includes: the liquid storage tank is provided with a liquid storage cavity with a variable volume and used for storing liquid; the flushing head is provided with a liquid outlet channel and a liquid outlet hole, the liquid outlet channel is communicated with the liquid storage cavity, and the liquid outlet channel is communicated with the outside air through the liquid outlet hole; the first fluid conducting piece is arranged on the liquid storage tank and allows outside air to enter the liquid storage cavity only when the volume of the liquid storage cavity is increased; and the second fluid conducting piece is arranged on the flushing head, and the second fluid conducting piece only allows the gas and the liquid in the liquid storage cavity to flow out through the liquid outlet hole when the volume of the liquid storage cavity is reduced. Simple structure not only has the function of preventing countercurrent, but also can wash in succession without repeated pumping and inserting the affected part, and improves the comfort level experience of patients.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an embedded flusher.
Background
The existing imbedding type flusher, such as a vagina flusher, is easy to flow back when the medical liquid rushing into a human body in the actual use process, and the medical liquid enters the liquid storage cavity to pollute the medical liquid, so that the waste of the medical liquid and the poor treatment effect are caused.
Disclosure of Invention
The invention provides an imbedding type flusher which is simple in structure, has a backflow prevention function, can be used for flushing continuously without repeated drawing and inserting of affected parts, and improves comfort experience of patients.
An implantable flusher according to an embodiment of the present invention includes:
the liquid storage tank is provided with a liquid storage cavity with a variable volume and used for storing liquid;
the flushing head is provided with a liquid outlet channel and a liquid outlet hole, the liquid outlet channel is communicated with the liquid storage cavity, and the liquid outlet channel is communicated with the outside air through the liquid outlet hole;
the first fluid conducting piece is arranged on the liquid storage tank and allows outside air to enter the liquid storage cavity only when the volume of the liquid storage cavity is increased; and
and the second fluid conducting piece is arranged on the flushing head and only allows gas and liquid in the liquid storage cavity to flow out through the liquid outlet when the volume of the liquid storage cavity is reduced.
According to the embedded flusher provided by the embodiment of the invention, the liquid medicine flowing out from the liquid outlet hole is effectively prevented from flowing back into the liquid storage cavity by the arrangement of the second fluid conducting piece, so that the liquid medicine in the liquid storage cavity is polluted, the utilization rate of the liquid medicine is improved, meanwhile, the first fluid conducting piece is matched with the second fluid conducting piece, the volume of the liquid storage cavity is continuously reduced and increased by the entering of external air, and further continuous flushing without repeated pumping and inserting of affected parts is realized, and the comfort experience of a patient is improved. It should be noted that the continuous irrigation herein means that after the implantable irrigator is placed on the affected area, the continuous irrigation can be performed without repeated pulling out, and there may be a time pause in the irrigation process.
In addition, the implantable flusher according to the embodiment of the invention has the following additional technical characteristics:
according to some embodiments of the invention, the second fluid conducting member includes:
the second body is hollow, one side of the second body, which is close to the liquid storage tank, is arranged in the liquid outlet channel, and a countercurrent cavity is formed between the second body and the liquid outlet hole;
the second body is equipped with first elastic wall and the second elastic wall of mutually supporting towards the one end of countercurrent chamber, and first elastic wall and second elastic wall have open state and closed state, and first elastic wall and second elastic wall only are the closed state when the volume in stock solution chamber increases, and first elastic wall and second elastic wall only are the open state when the volume in stock solution chamber reduces to the gas-liquid in the stock solution chamber of pressure drive that makes the volume reduce flows out through the play liquid hole.
That is, through the cooperation of first elastic wall and second elastic wall, effectively accomplished the optional intercommunication in stock solution chamber and countercurrent chamber, simultaneously, stock solution chamber volume reduces, produces pressure, and the gas-liquid in this pressure drive stock solution intracavity flows out through the play liquid hole, can make the liquid medicine in the stock solution chamber be carried to the affected part by the impulsive force of extrusion and air current as far as, improves the utilization ratio of liquid medicine.
In some embodiments of the present invention, a mounting portion is disposed in a circumferential direction of the second fluid conducting member, the mounting portion protrudes from an outer wall of the second fluid conducting member, and the liquid outlet channel is provided with a groove matched with the mounting portion.
That is, the second fluid conducting member is effectively fixed to the liquid outlet channel by the cooperation of the groove and the mounting portion.
Optionally, the liquid outlet channel is provided with a first protruding part and a second protruding part, the first protruding part is provided with a first inclined surface, the second protruding part is provided with a second inclined surface, and the first inclined surface and the second inclined surface are oppositely arranged and form a groove therebetween;
one side of the mounting part far away from the second fluid conducting piece is provided with a mounting end face, two sides of the mounting end face along the axial direction are respectively in interference fit with the first inclined face and the second inclined face, so that the second fluid conducting piece is fixed in the liquid outlet channel, and a first gap is reserved between the mounting end face and the groove.
Wherein, the setting of first inclined plane and second inclined plane to and interference fit's relation of connection, the second fluid that is convenient for at first in the actual course of working switches on the piece installation or dismantles, improves production efficiency, and secondly interference fit's relation of connection effectively improves the gas tightness of junction, effectively prevents the emergence of phenomenon such as production weeping in the actual use, and finally, the setting of first clearance allows the terminal surface to receive the external extrusion deformation can not produce the destruction to the washing head, also allows the washing head to produce certain deformation at this position simultaneously when can not produce the influence to the gas tightness of drain passageway and second fluid switch on the piece.
Optionally, the first protrusion is located at a side of the second protrusion away from the liquid storage cavity, and a second gap is formed between the second protrusion and an outer wall of the second fluid conducting member.
In the actual use, the second fluid conducting piece is connected with the fluid channel only through the mounting part, so that the contact area between the second fluid conducting piece and the fluid channel is small, deformation of the flushing head in the actual use is guaranteed, deformation of the second fluid conducting piece is not influenced, leakage is prevented, and meanwhile, a certain deformation space is provided for the second fluid conducting piece, and the performance of the flushing head is not influenced.
According to some embodiments of the invention, the first fluid conductor comprises:
the first body is arranged in a hollow mode and is arranged in the liquid storage tank;
the first body is equipped with the third elastic wall and the fourth elastic wall of mutually supporting towards the one end of stock solution chamber, and third elastic wall and fourth elastic wall have open state and closed state, and third elastic wall and fourth elastic wall only are the closed state at the in-process that the volume in stock solution chamber reduces, and third elastic wall and fourth elastic wall only are the open state when the volume in stock solution chamber increases to make air get into the drive stock solution intracavity volume further grow from the external world.
Through the cooperation of the third elastic wall and the fourth elastic wall in the first fluid conducting piece, air enters the liquid storage cavity from the outside to drive the volume of the liquid storage cavity to further increase, meanwhile, the air cooperates with the second fluid conducting piece, the volume of the liquid storage cavity is reduced by external pressure, flushing is further carried out, the volume of the liquid storage cavity is increased under the action of external force or the action of materials of the liquid storage cavity, air is introduced, the external pressure is continuously applied to reduce the volume of the liquid storage cavity, and the aim of continuous flushing is fulfilled.
According to some embodiments of the invention, the liquid storage tank includes a pressing portion, a hollow telescopic portion, and a connecting portion, wherein the pressing portion, the telescopic portion, and the connecting portion are sequentially connected to form a liquid storage cavity, the connecting portion is connected to the flushing head, and the first fluid conducting member is disposed on the connecting portion.
The setting of flexible portion that can elastic deformation for after external force cancelled, flexible portion can resume part or whole deformation, realizes can drive the increase of stock solution chamber volume with the help of external force, simultaneously with first fluid conduction spare cooperation, the inlet air, further drive the increase of stock solution chamber volume through the air, and set up first fluid conduction spare in connecting portion, compare in first fluid conduction spare setting in other positions, can effectively improve the gas tightness, prevent to take place the weeping phenomenon.
According to some embodiments of the invention, the diameter of the liquid outlet hole gradually increases from one end close to the liquid outlet channel to one end far away from the liquid outlet channel.
On the one hand, the contact area of the liquid medicine and the affected part is increased, and on the other hand, the impact force of the liquid medicine flowing out can be effectively relieved, so that the liquid medicine is contacted with the affected part more slowly, the comfort level experience of the affected part is improved, and discomfort caused by overlarge impact force is prevented.
According to some embodiments of the invention, the number of the liquid outlet holes is at least two, and the at least two liquid outlet holes are circumferentially distributed at one end of the flushing head away from the liquid storage tank.
The setting of circumference distribution prevents effectively that the liquid hole from directly being located the tip of washing head, and the washing area is little, and the poor condition of washing effect takes place, simultaneously, because the affected part parcel of general use is in the washing head, consequently washing perisporium that can be better, that is to say, the tip of washing head does not set up the washing hole.
According to some embodiments of the invention, a flow stopping ring is arranged on one side of the flushing head close to the liquid storage cavity along the circumferential direction of the flushing head, and the liquid outlet hole is positioned on one side of the flow stopping ring away from the liquid storage cavity.
The setting of flow stopping ring can prevent on the one hand that liquid medicine from flowing out through the affected part effectively, pollutes the hand of holding the embedded flusher, on the other hand can also prevent in the use, and the effort is too hard, leads to the flushing head to get into the affected part too deeply.
According to some embodiments of the invention, the liquid storage tank is detachably connected with the flushing head.
The detachable connection mode comprises any one or a combination of a plurality of clamping connection, threaded connection and interference fit, and the multiple use of the embedded flusher or the instant use of the liquid medicine is realized through the detachable connection mode.
Alternatively, the liquid storage tank and the flushing head can be integrally formed, or the liquid storage tank and the flushing head are fixed by using an adhesive, welding and other fixing modes.
Additional aspects and advantages of the invention 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 invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of an implantable flusher;
FIG. 2 is a schematic view of a rinse head according to an embodiment of the present invention;
FIG. 3 is a schematic view of a second fluid conducting member according to the present invention;
FIG. 4 is a cross-sectional view of a second fluid conducting member according to the present invention;
fig. 5 is a schematic view of the structure at v in fig. 2;
fig. 6 is a schematic view of the structure at vi in fig. 1.
Icon: 10-an imbedded flusher; 100-a liquid storage tank; 111-a liquid storage cavity; 113-a pressing part; 115-telescoping portion; 117-connection; 200-flushing head; 201-a liquid outlet channel; 210-head; 211-a liquid outlet hole; 212-a countercurrent chamber; 213-grooves; 215-a first protrusion; 2151-a first inclined surface; 217-second tab; 2171-a second inclined surface; 220-neck; 230-a flow stop ring; 240-first gap; 250-second gap; 300-a second fluid conductor; 301-a second body; 303-a first elastic wall; 305-a second elastic wall; 306-a first linear opening; 310-mounting part; 311-mounting end faces; 400-a first fluid conductor; 410-a first body; 411-a third elastic wall; 413-a fourth elastic wall; 415-a second linear opening.
Detailed Description
Embodiments of the present invention 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 invention.
The implantable irrigator 10, including, for example, vaginal irrigators, rectal irrigators, etc., uses the liquid medicine contained in the implantable irrigator 10 to irrigate the affected part for cleaning and therapeutic effects. It should be noted that, the implantable irrigator 10 provided by the embodiment of the present invention is not limited to a vaginal irrigator and a rectal irrigator, and the irrigator which is placed in an affected part, irrigates the affected part with the liquid medicine contained in the implantable irrigator 10, and can simultaneously deliver the liquid medicine with the assistance of gas, so as to finally achieve the effects of cleaning and treatment, belongs to the protection scope of the present invention. It should be noted that for vaginal administration, contraceptive effects are not included.
As shown in fig. 1, an implantable flusher 10 according to an embodiment of the present invention includes: reservoir 100, rinse head 200, first fluid communication 400, and second fluid communication 300.
Wherein the reservoir 100 has a variable volume reservoir chamber 111 for storing liquid.
It should be noted that, in one of the cases where the volume is variable, the material of the liquid storage tank 100 is an elastic material or a plastic material, where the elastic material can be deformed under the action of external force, and the deformation can be partially or completely recovered by removing the action of external force, and the plastic material refers to the deformation that can be performed only under the action of external force, and has no function of recovering the deformation, and the volume of the liquid storage tank 100 is changed due to the action of external force; another variable volume condition includes movement of a mechanism, such as a piston disposed within the reservoir 111, resulting in a change in the volume of the reservoir 100 for the reservoir.
The elastic material includes one or more of silica gel, polyethylene terephthalate, polycarbonate and other polymer materials, and the plastic material includes alloy and the like. In the actual use process, the selection can be performed according to the actual requirements.
The axial length of the flushing head 200 can be set according to practical requirements, for example, when the flushing head 200 is used for vaginal administration or cleaning, the axial length of the flushing head 200 is not less than 80mm.
Optionally, referring to fig. 1 and 2, the flushing head 200 includes a head 210 and a neck 220 connected to each other in an axial direction, wherein a junction between the head 210 and the neck 220 is smoothly transitioned.
The head 210 is provided with a liquid outlet hole 211, one end of the neck 220 away from the head 210 is connected with the liquid storage tank 100, the liquid outlet channel 201 is jointly provided with a liquid outlet channel 201 by the head 210 and the neck 220, the liquid outlet channel 201 penetrates through one side of the neck 220 away from the head 210, wherein the liquid outlet channel 201 is communicated with the liquid storage cavity 111, and the liquid outlet channel 201 is communicated with the outside air through the liquid outlet hole 211.
The head 210 is generally ellipsoidal, so that the liquid can conveniently enter the affected part, alternatively, the head 210 has a preset position a, the cross-sectional area of the head 210 at the preset position a is the largest, after the cross-sectional area of the head 210 gradually increases from one end far away from the liquid storage cavity to one end close to the neck 220 to the preset position a, the cross-sectional area of the head 210 gradually decreases from the preset position a to one end close to the neck 220, at this time, the liquid outlet 211 is formed at one end of the head 210 far away from the neck 220, in other words, the liquid outlet 211 is formed at one side of the head 210 far away from the neck 220 at the preset position a, so that the liquid can conveniently enter the human body, and part of the liquid medicine can be prevented from flowing out through the affected part.
The first fluid conducting member 400 is disposed in the liquid storage tank 100, the first fluid conducting member 400 allows external air to enter the liquid storage chamber 111 only when the volume of the liquid storage chamber 111 increases, the second fluid conducting member 300 is disposed in the flushing head 200, and the second fluid conducting member 300 allows gas and liquid in the liquid storage chamber 111 to flow out through the liquid outlet hole 211 only when the volume of the liquid storage chamber 111 decreases.
According to the imbedding type flusher 10 of the embodiment of the invention, by arranging the second fluid conducting piece 300, the liquid medicine flowing out from the liquid outlet hole 211 is effectively prevented from flowing back into the liquid storage cavity 111, the liquid medicine in the liquid storage cavity 111 is polluted, and the utilization rate of the liquid medicine is improved. It should be noted that the continuous irrigation herein means that after the implantable irrigator 10 is placed on the affected area, the continuous irrigation can be performed without repeated pulling out, and there may be a time pause in the irrigation process.
Alternatively, in some embodiments of the present invention, the number of the liquid outlet holes 211 is at least two, for example, two, three, four, or eight, and the at least two liquid outlet holes 211 are circumferentially distributed at the end of the head 210 away from the liquid storage tank 100.
The arrangement of the circumference distribution effectively prevents that liquid outlet 211 from directly being located the tip of washing head 200, and the washing area is little, and the poor condition of washing effect takes place, simultaneously, because during the use, affected part (e.g. vagina, rectum etc.) parcel washing head 200, consequently the washing affected part perisporium that can be better, that is to say, the tip of head 210 (the middle part position of the one end of head 210 keeping away from stock solution chamber 111) does not set up the washing hole.
Alternatively, according to some embodiments of the present invention, the outer wall of the end of the neck 220 away from the head 210 is provided with a flow stop ring 230 along its circumference, and the liquid outlet hole 211 is located at a side of the flow stop ring 230 away from the liquid storage cavity 111.
The setting of the flow stop ring 230 can effectively prevent the liquid medicine from flowing out from the affected part and polluting the hand holding the imbedding type flusher 10, and can prevent the excessive force from causing the flushing head 200 to enter the affected part too deeply during the use process.
It should be noted that, since the rinse head 200 is directly inserted into the affected area, in order to enhance the comfort during the insertion process, the rinse head 200 is optionally made of an elastic material, such as a flexible body made of silica gel, which has elasticity, so as to facilitate the access to the affected area. Because the flushing head 200 is in direct contact with the affected part, the material of the flushing head 200 should meet the requirements of medical materials and safety and harmlessness.
The second fluid conducting member 300 may be disposed in the liquid outlet hole 211 or in the liquid outlet channel 201.
Referring to fig. 1, 2, 3 and 4, according to some embodiments of the invention, the second fluid conducting member 300 is disposed in the liquid outlet channel 201, for example, the second fluid conducting member 300 includes:
the second body 301 is hollow, one side of the second body 301 close to the liquid storage tank 100 is arranged in the liquid outlet channel 201, and a countercurrent cavity 212 is formed between the second body 301 and the liquid outlet hole 211;
the end of the second body 301 facing the countercurrent cavity 212 is provided with a first elastic wall 303 and a second elastic wall 305 which are matched with each other, the first elastic wall 303 and the second elastic wall 305 have an open state and a closed state, the first elastic wall 303 and the second elastic wall 305 are in the closed state only when the volume of the liquid storage cavity 111 increases, and the first elastic wall 303 and the second elastic wall 305 are in the open state only when the volume of the liquid storage cavity 111 decreases, so that the pressure generated by the liquid storage cavity 111 with the reduced volume drives the gas and the liquid in the liquid storage cavity 111 to flow out through the liquid outlet 211.
That is, by the cooperation of the first elastic wall 303 and the second elastic wall 305, the optional communication between the liquid storage cavity 111 and the countercurrent cavity 212 is effectively completed, and meanwhile, the volume of the liquid storage cavity 111 is reduced to generate pressure, and the pressure drives the gas and liquid in the liquid storage cavity 111 to flow out through the liquid outlet hole 211, so that the liquid medicine in the liquid storage cavity can be extruded as much as possible and the impact force of the air flow is transmitted to the affected part, and the utilization rate of the liquid medicine is improved.
The first elastic wall 303 and the second elastic wall 305 may be located on the same horizontal plane, or the first elastic wall 303 and the second elastic wall 305 respectively extend towards an end close to the countercurrent chamber 212 and are closely abutted against each other, for example, the first elastic wall 303 and the second elastic wall 305 respectively extend towards an end close to the countercurrent chamber 212 and form a V shape, a trapezoid shape, an M shape or the like, and a first linear opening 306 is formed at an abutted position of the first elastic wall 303 and the second elastic wall 305, for example, a top end of the V shape faces towards an end close to the countercurrent chamber 212, and a top end of the V shape has a linear opening.
The second body 301 may be elastic or made of a hard material, but based on the comfort experience of the implantable flusher 10 and the performance consideration of the second fluid conducting member 300, the second body 301 has elasticity, so that it can deform under the action of external force, and all the deformation is recovered under the action of removing the external force, so as to ensure the air tightness. Meanwhile, the material of the second body 301 may be the same as that of the first elastic wall 303 and the second elastic wall 305, and thus detailed descriptions are omitted herein.
Alternatively, according to some embodiments of the present invention, the second body 301 is provided with a mounting portion 310 in the circumferential direction, the mounting portion 310 protrudes from the outer wall of the second body 301, and the flushing head 200 is provided with a groove 213 cooperating with the mounting portion 310, wherein the groove 213 is located in the liquid outlet channel 201. For example, the mounting portion 310 is located at an end of the second body 301 remote from the counter flow chamber 212, and a side of the mounting portion 310 remote from the counter flow chamber 212 is flush with a side of the second body 301 remote from the counter flow chamber 212.
That is, the second fluid conducting member 300 is effectively fixed to the liquid outlet channel 201 by the cooperation of the recess 213 and the mounting portion 310. The groove 213 and the mounting portion 310 may be clamped, or may be in interference fit.
The second body 301 may be mounted on the liquid outlet channel 201 at the position of the head 210, or may be mounted on the liquid outlet channel 201 at any position of the neck 220. Preferably, the groove 213 is disposed at the position of the liquid outlet channel 201 at the head 210, and in particular, the groove 213 is disposed at the preset position a and at a side of the head 210 near the neck 220, and under this setting condition, due to the reduced diameter of the head 210, the deformation of the second fluid conducting member 300 during use can be effectively reduced.
Optionally, referring to fig. 5, in some embodiments provided by the present invention, the washing head 200 is provided with a first protruding portion 215 facing the liquid outlet channel 201 and a second protruding portion 217, the first protruding portion 215 has a first inclined surface 2151, the second protruding portion 217 has a second inclined surface 2171, and the first inclined surface 2151 and the second inclined surface 2171 are disposed opposite to each other with a groove 213 formed therebetween;
the mounting portion 310 has a mounting end surface 311 on a side away from the second body 301, and two sides of the mounting end surface 311 in the axial direction are respectively in interference fit with the first inclined surface 2151 and the second inclined surface 2171, so that the second fluid conductor 300 is fixed in the liquid outlet channel 201, and a first gap 240 is formed between the mounting end surface 311 and the groove 213.
Wherein, the setting of first inclined plane 2151 and second inclined plane 2171, and interference fit's relation of connection, be convenient for at first the second fluid in the actual course of working and lead to 300 installation or dismantlement, improve production efficiency, secondly interference fit's relation of connection effectively improves the gas tightness of junction, effectively prevent the emergence of phenomenon such as production weeping in the actual use, finally, the setting of first clearance 240 allows installation terminal surface 311 to receive external extrusion deformation time and can not produce the destruction to flushing head 200, also allows flushing head 200 when producing certain deformation at this position simultaneously, can not produce the influence to the gas tightness of drain channel 201 and second fluid and lead to 300.
Optionally, the mounting portion 310 is an elastic mounting portion 310, that is, the second fluid conducting member 300 is an elastic second fluid conducting member 300, which not only has a better interference fit effect, but also allows the mounting end surface 311 not to damage the rinse head 200 when being deformed by external extrusion, and also allows the rinse head 200 and the mounting portion 310 to have a certain deformation, so that the air tightness between the liquid outlet channel 201 and the second fluid conducting member 300 is not affected.
The first protrusion 215 is located at a side of the second protrusion 217 away from the liquid storage cavity 111, and a second gap 250 is formed between the second protrusion 217 and the outer wall of the second body 301.
In the actual use process, the second fluid conducting piece 300 is connected with the fluid channel only through the mounting part 310, so that the contact area between the second fluid conducting piece 300 and the fluid channel is small, deformation of the flushing head 200 is guaranteed not to influence the deformation of the second fluid conducting piece 300 in the actual use process, leakage is prevented, and meanwhile, a certain deformation space is provided for the second fluid conducting piece 300, and the performance of the flushing head 200 is not influenced.
Optionally, referring to fig. 1 and 6, according to some embodiments of the present invention, the first fluid conducting member 400 includes:
the first body 410, the first body 410 is hollow, and the first body 410 is installed on the liquid storage tank 100;
the end of the first body 410 facing the liquid storage cavity 111 is provided with a third elastic wall 411 and a fourth elastic wall 413 which are matched with each other, the third elastic wall 411 and the fourth elastic wall 413 have an open state and a closed state, the third elastic wall 411 and the fourth elastic wall 413 are in the closed state only in the process of reducing the volume of the liquid storage cavity 111, and the third elastic wall 411 and the fourth elastic wall 413 are in the open state only when the volume of the liquid storage cavity 111 is increased, so that air enters the liquid storage cavity 111 from the outside to drive the volume of the liquid storage cavity 111 to be further increased.
That is, through the cooperation of the third elastic wall 411 and the fourth elastic wall 413 in the first fluid conducting member 400, air enters the liquid storage cavity 111 from the outside to drive the volume of the liquid storage cavity 111 to further increase, and meanwhile, the air cooperates with the second fluid conducting member 300 to apply pressure to reduce the volume of the liquid storage cavity 111, so that the liquid storage cavity 111 is washed, and then the volume of the liquid storage cavity 111 is increased under the action of external force or the action of the material of the liquid storage cavity 111, air is introduced, and the external pressure is continuously applied to reduce the volume of the liquid storage cavity 111 to wash an affected part; repeating the steps to further realize the purpose of continuous flushing.
Under the above setting conditions, the liquid storage tank 100 is provided with a mounting hole (not shown), and the specific setting mode that the second fluid conducting member 300 is mounted on the liquid outlet channel 201 can be adopted, so that the first fluid conducting member 400 is mounted in the mounting hole, and air tightness is ensured, and at this time, the second fluid conducting member 300 is an elastic fluid conducting member, which is not described in detail herein. Alternatively, in other embodiments, the first fluid conducting member 400 may be installed in the liquid outlet hole 211 by screwing, clamping, integrally forming, or the like.
It should be noted that, the mounting hole may be directly formed in the liquid storage tank 100, penetrate through the inner wall and the outer wall of the liquid storage tank 100, or may be formed by forming a protrusion (not shown) on the outer wall of the liquid storage tank 100, and the mounting hole is formed in the protrusion and penetrates through the protrusion, and the inner wall and the outer wall of the liquid storage tank 100 at the corresponding positions of the protrusion.
The third elastic wall 411 and the fourth elastic wall 413 may be located on the same horizontal plane, or the third elastic wall 411 and the fourth elastic wall 413 respectively extend towards an end close to the liquid storage cavity 111 and are closely abutted against each other, for example, the third elastic wall 411 and the fourth elastic wall 413 respectively extend towards an end close to the liquid storage cavity 111 and form a V shape, a W shape or a trapezoid, etc., where the abutted position of the third elastic wall 411 and the fourth elastic wall 413 has a second linear opening 415, for example, the top end of the V shape faces towards an end close to the liquid storage cavity 111, and the top end of the V shape has the second linear opening 415.
According to some embodiments of the present invention, the liquid storage tank 100 includes a pressing portion 113, a hollow telescopic portion 115, and a connection portion 117, wherein the pressing portion 113, the telescopic portion 115, and the connection portion 117 are sequentially connected to form the liquid storage chamber 111, the connection portion 117 is connected to the rinse head 200, and the first fluid conduction member 400 is disposed on the connection portion 117. That is, the mounting hole is opened in the connection portion 117.
The setting of flexible portion 115 for flexible portion 115 can change the volume of stock solution chamber 111 under the exogenic action, realizes can drive the increase of stock solution chamber 111 volume with the help of the exogenic action, simultaneously with the cooperation of first fluid conduction spare 400, admit air, further drive the increase of stock solution chamber 111 volume through the air, and set up first fluid conduction spare 400 in connecting portion 117, compare in first fluid conduction spare 400 setting up in other positions, can effectively improve the gas tightness, prevent to take place the weeping phenomenon.
Wherein, the expansion part 115 is transparent, so as to be convenient for checking the condition of the liquid medicine in the containing cavity.
In order to ensure the air tightness between the first fluid conducting member 400 and the mounting hole and the stability of the movement of the expansion and contraction portion 115, optionally, the hardness of the material of the connection portion 117 and the pressing portion 113 is greater than that of the expansion and contraction portion 115, and the expansion and contraction portion 115 is an elastic expansion and contraction portion 115, so that the expansion and contraction portion 115 deforms without deformation or with little deformation of the pressing portion 113 after the pressing portion 113 is stressed, and the deformation of the connection portion 117 is substantially not affected, thereby avoiding the deformation of the first fluid conducting member 400; alternatively, a certain mechanical structure and material are adopted, for example, the expansion part 115 is provided in a spring, and the expansion part 115 is made of a material having a certain elasticity, and the volume of the accommodating chamber is increased or decreased by using mechanical deformation and elasticity of the material, which is not particularly limited.
It should be noted that, when the volume of the accommodating cavity is minimum, a gap (not shown) is formed between the pressing portion 113 and the first fluid conducting member 400, so as to prevent the first fluid conducting member 400 from being deformed under the action of the pressing portion 113, and influence the conducting performance of the first fluid conducting member 400. According to some embodiments of the present invention, the diameter of the liquid outlet 211 increases from the end near the liquid outlet 201 to the end far from the liquid outlet 201. On the one hand, the contact area of the liquid medicine and the affected part is increased, and on the other hand, the impact force of the liquid medicine flowing out can be effectively relieved, so that the liquid medicine is contacted with the affected part more slowly, the comfort level experience of the affected part is improved, and discomfort caused by overlarge impact force is prevented.
According to some embodiments of the invention, the reservoir 100 is detachably connected to the rinse head 200.
The detachable connection mode comprises any one or a combination of a plurality of clamping connection, screw connection and interference fit, and the detachable connection mode realizes the multiple use of the embedded flusher 10 or the instant use of the liquid medicine.
In other embodiments of the present invention, the liquid storage tank 100 and the flushing head 200 may be integrally formed, or the liquid storage tank 100 and the flushing head 200 may be fixed by an adhesive, welding, or the like, which is used as a disposable article.
In summary, according to the implantable flusher 10 provided by the present invention, the water of 20KPa is applied to the head 210 of the flushing head 200 to perform the backflow prevention of the second fluid conducting member 300, and as a result, under the above-mentioned test conditions, no water enters the liquid storage cavity 111 through the second fluid conducting member 300 within 5s, and the result shows that the implantable flusher 10 provided by the present invention has the backflow prevention.
In conclusion, the embedded flusher provided by the invention has a simple structure, has the backflow prevention function, can continuously flush the affected part without repeated drawing and inserting, and improves the comfort experience of patients.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An implantable flusher, comprising:
the liquid storage tank is provided with a liquid storage cavity with a variable volume and used for storing liquid;
the flushing head is provided with a liquid outlet channel and a liquid outlet hole, the liquid outlet channel is communicated with the liquid storage cavity, and the liquid outlet channel is communicated with the outside air through the liquid outlet hole;
the first fluid conducting piece is arranged on the liquid storage tank and allows outside air to enter the liquid storage cavity only when the volume of the liquid storage cavity is increased; and
the second fluid conducting piece is arranged on the flushing head and only allows gas and liquid in the liquid storage cavity to flow out through the liquid outlet hole when the volume of the liquid storage cavity is reduced;
the second fluid conductor includes:
the second body is hollow, one side of the second body, which is close to the liquid storage tank, is arranged in the liquid outlet channel, and a countercurrent cavity is formed between the second body and the liquid outlet hole;
the first elastic wall and the second elastic wall are provided with an opening state and a closing state, the first elastic wall and the second elastic wall are in a closing state only when the volume of the liquid storage cavity is increased, and the first elastic wall and the second elastic wall are in an opening state only when the volume of the liquid storage cavity is reduced, so that the pressure generated by the liquid storage cavity with the reduced volume drives gas and liquid in the liquid storage cavity to flow out through the liquid outlet hole;
the second fluid conducting piece is circumferentially provided with a mounting part, the mounting part protrudes out of the outer wall of the second fluid conducting piece, the flushing head is provided with a groove matched with the mounting part, and the groove is positioned in the liquid outlet channel;
the flushing head is provided with a first protruding part and a second protruding part which face the liquid outlet channel, the first protruding part is provided with a first inclined surface, the second protruding part is provided with a second inclined surface, and the first inclined surface and the second inclined surface are arranged oppositely and form the groove;
one side of the mounting part, which is far away from the second fluid conducting piece, is provided with a mounting end face, two sides of the mounting end face along the axial direction are respectively in interference fit with the first inclined face and the second inclined face so as to fix the second fluid conducting piece in the liquid outlet channel, and a first gap is reserved between the mounting end face and the groove;
the first protruding part is positioned at one side of the second protruding part far away from the liquid storage cavity, and a second gap is formed between the second protruding part and the outer wall of the second fluid conducting piece.
2. The implantable flusher of claim 1, wherein the first fluid conductor comprises:
the first body is arranged in a hollow mode and is arranged in the liquid storage tank;
the first body is towards the one end of stock solution chamber is equipped with mutually supporting third elastic wall and fourth elastic wall, the third elastic wall with fourth elastic wall has open state and closed state, the third elastic wall with fourth elastic wall is closed state only in the in-process that the volume of stock solution chamber reduces, the third elastic wall with fourth elastic wall is open state only when the volume of stock solution chamber increases, so that air gets into from the external world the drive of stock solution intracavity the volume of stock solution chamber further enlarges.
3. The implantable flusher of claim 1, wherein the reservoir includes a pressing portion, a hollow telescoping portion, and a connecting portion, the pressing portion, the telescoping portion, and the connecting portion being sequentially connected to form the reservoir, the connecting portion being connected to the flushing head, the first fluid conducting member being disposed in the connecting portion.
4. A flush apparatus according to any one of claims 1 to 3, wherein the diameter of the liquid outlet hole gradually increases from an end closer to the liquid outlet passage to an end farther from the liquid outlet passage.
5. The implantable flusher of claim 4, wherein the number of the liquid outlet holes is at least two, and the at least two liquid outlet holes are circumferentially distributed at one end of the flushing head away from the liquid storage tank.
6. The implantable flusher of claim 1, wherein a flow stop ring is disposed on a side of the flushing head close to the liquid storage cavity along a circumferential direction of the flushing head, and the liquid outlet hole is disposed on a side of the flow stop ring away from the liquid storage cavity.
7. The implantable flusher of claim 1 wherein said reservoir is removably connected to said flushing head.
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| CN201910027348.2A CN109498884B (en) | 2019-01-11 | 2019-01-11 | Built-in type flusher |
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| CN201910027348.2A CN109498884B (en) | 2019-01-11 | 2019-01-11 | Built-in type flusher |
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