CN115382082A - Dry-wet integrated spraying device - Google Patents
Dry-wet integrated spraying device Download PDFInfo
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- CN115382082A CN115382082A CN202211199927.3A CN202211199927A CN115382082A CN 115382082 A CN115382082 A CN 115382082A CN 202211199927 A CN202211199927 A CN 202211199927A CN 115382082 A CN115382082 A CN 115382082A
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- pipe
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- medicine
- dry
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- 238000005507 spraying Methods 0.000 title claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 177
- 239000003814 drug Substances 0.000 claims abstract description 106
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000005086 pumping Methods 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000001802 infusion Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 10
- 206010052428 Wound Diseases 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 239000000499 gel Substances 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Images
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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- 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
- A61M13/00—Insufflators for therapeutic or disinfectant purposes, i.e. devices for blowing a gas, powder or vapour into the body
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/07—General characteristics of the apparatus having air pumping means
- A61M2205/071—General characteristics of the apparatus having air pumping means hand operated
- A61M2205/073—Syringe, piston type
-
- 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
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary tract
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a dry-wet integrated spraying device which comprises a rack, wherein a liquid storage tank, a powder medicine tank and a conical pipe which are separated from each other are arranged on the rack; the rack is also provided with a double-hole pipe, and one inlet end of the double-hole pipe is communicated with the liquid storage tank through a liquid conveying pipe; the small end of the conical pipe is communicated with the other inlet end of the double-hole pipe; the frame is also provided with a pressure tank, a negative pressure pipe is arranged in the conical pipe, the outlet end of the negative pressure pipe is opposite to the outlet end of the conical pipe, and the inlet end of the negative pressure pipe is communicated with the pressure tank; the conical pipe is also provided with a powder pumping pipe communicated with the powder tank, the gas transmission pipe is also provided with an adjusting valve and a blowing pipe, and the outlet end of the blowing pipe is inserted into the powder tank; a pushing piston for pushing out the liquid medicine is also arranged in the liquid storage tank in a sliding manner; when in use, the pushing piston is pushed to realize the liquid medicine conveying, and the negative pressure is formed in the medicine powder tank through the airflow rapidly passing through the conical tube to bring the medicine powder into a focus; not only simple structure, stability is high, has realized exporting simultaneously powder and liquid medicine simultaneously.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a dry-wet integrated spraying device.
Background
With the development of endoscopic technology, most digestive tract tumors can be resected through digestive endoscopy, but the protection of wound surface after the endoscopic surgery is always the focus of attention of clinicians. At present, wound treatment modes such as electrocoagulation, clamping and the like which are commonly used have certain limitations, and bleeding, perforation and stenosis cannot be effectively prevented. In the prior art, chinese patent publication No. CN113893386a discloses a spray dry powder gel dressing which can be delivered to a wound surface of a digestive tract through an endoscope accessory channel, tightly adheres to the wound surface, exerts a wound surface protection effect, and is helpful for preventing bleeding, perforation and stenosis. However, the gel dressing needs to spray a liquid solution (such as normal saline) immediately after the dressing contacts the wound surface, and mixing the dressing and the solution in advance causes pipeline blockage and cannot be smoothly sprayed to the wound surface, so that how to synchronously separate and convey the dry powder dressing and the solution to the focus becomes the biggest obstacle for the wide application of the gel dressing.
Disclosure of Invention
The invention provides a dry-wet integrated spraying device, and aims to overcome the defect that liquid and medicinal powder cannot be synchronously separated and conveyed in the prior art.
A dry-wet integrated spraying device comprises a rack, wherein a liquid storage tank, a medicine powder tank and a conical pipe which are mutually separated are arranged on the rack; the rack is also provided with a double-hole pipe for conveying liquid medicine and medicinal powder simultaneously, and one inlet end of the double-hole pipe is communicated with the liquid storage tank through a liquid conveying pipe; the small end of the conical tube is communicated with the other inlet end of the double-hole tube through a powder conveying tube; the frame is also provided with a pressure tank, a negative pressure pipe is arranged in the conical pipe, the outlet end of the negative pressure pipe is opposite to the outlet end of the conical pipe, and the inlet end of the negative pressure pipe is communicated with the pressure tank through a gas pipe; the conical pipe is also provided with a powder pumping pipe communicated with the powder tank, the gas transmission pipe is also provided with an adjusting valve and a blowing pipe, and the outlet end of the blowing pipe is inserted into the powder tank; and a pushing piston used for pushing out the liquid medicine is arranged in the liquid storage tank in a sliding manner.
Optionally, the outlet end of the blowing pipe is further connected with a first buffer tank, and the outlet end of the first buffer tank is connected with a silicone tube.
Optionally, the outlet end of silicone tube is provided with the duckbill valve, the entry end of taking out the powder pipe is provided with the cover that gathers materials.
Optionally, the aggregate cover is of a conical structure, the small end of the aggregate cover is connected with the powder pumping pipe, and the large end of the aggregate cover is provided with an adjusting net.
Optionally, a liquid injection port is arranged at the top of the liquid storage tank, and a sealing plug is connected to the inner thread of the liquid injection port; the powder extraction device is characterized in that a powder tank insertion opening used for installing a powder tank is formed in the bottom of the rack, the top of the powder tank is of an open structure and is connected with the insertion opening through threads, and the powder extraction pipe and the powder blowing pipe penetrate through the top of the powder tank and are inserted into the powder tank.
Optionally, the powder conveying pipe is further provided with a second buffer tank for reducing the flow velocity of the powder.
Optionally, the cross section of the double-hole pipe is square, circular or elliptical, and along the axial direction of the double-hole pipe, a partition plate for dividing the two feeding channels is integrally arranged in the double-hole pipe.
Optionally, an adapter is arranged at an inlet end of the double-hole pipe, the adapter includes a first conduit and a second conduit respectively inserted into two inlet ends of the double-hole pipe, and the first conduit and the second conduit are connected through a connecting plate; the infusion tube is inserted into the inlet end of the first guide tube, and the powder conveying tube is inserted into the inlet end of the second guide tube.
Optionally, the outlet end of the double-hole tube is provided with a hydrophobic coating for preventing the medicinal powder from being blocked by adhesion.
Compared with the prior art, the method has the following beneficial effects:
the device comprises a rack, wherein a liquid storage tank, a medicine powder tank and a conical pipe which are separated from each other are arranged on the rack; the rack is also provided with a double-hole pipe for conveying liquid medicine and medicinal powder simultaneously, and one inlet end of the double-hole pipe is communicated with the liquid storage tank through a liquid conveying pipe; the small end of the conical pipe is communicated with the other inlet end of the double-hole pipe through a powder conveying pipe; the frame is also provided with a pressure tank, a negative pressure pipe is arranged in the conical pipe, the outlet end of the negative pressure pipe is opposite to the outlet end of the conical pipe, and the inlet end of the negative pressure pipe is communicated with the pressure tank through a gas pipe; the conical pipe is also provided with a powder pumping pipe communicated with the powder tank, the gas transmission pipe is also provided with an adjusting valve and a blowing pipe, and the outlet end of the blowing pipe is inserted into the powder tank; a pushing piston for pushing out the liquid medicine is arranged in the liquid storage tank in a sliding manner;
when the medical pressure tank is used, the outlet end of the double-hole pipe is opposite to a focus part needing medicine spraying, meanwhile, medical staff hold the rack by hand, the adjusting valve is opened to penetrate through the gas pipe, and part of compressed air stored in the pressure tank is sprayed out of the conical pipe through the gas pipe and the negative pressure pipe; because the conical tube has the characteristic of large inlet and small outlet, when air flows at high speed, negative pressure is formed in the medicine powder tank, and meanwhile, the other part of compressed air output from the pressure tank enters the medicine powder tank through the blowing and separating tube, so that the accumulated medicine powder is blown up and is distributed in the medicine powder tank in a suspension state; the negative pressure formed in the conical tube pumps the suspended medicinal powder in the medicinal powder tank through the material pumping tube, and then the medicinal powder enters a focus through the double-hole tube; meanwhile, the air output by the powder blowing pipe can continuously supplement the air in the powder tank which is pumped away by the powder pumping pipe so as to keep the air pressure in the powder tank stable, and further form stable pressure difference between the conical pipe and the powder tank, so that the continuous and stable output of the powder is realized, the processes are automatically finished by the continuous automatic output of the air flow, and the conveying of the powder is automatically finished;
meanwhile, the medical staff pushes the pushing piston to push the liquid medicine in the liquid storage tank into the double-pore pipe, and finally the liquid medicine is conveyed to a focus part through the double-pore pipe and mixed with the medicinal powder in a focus area, so that the synchronous conveying of the liquid medicine and the medicinal powder is realized;
compared with the prior art, the automatic medicine powder conveying device has the advantages that negative pressure is formed through high-speed airflow, so that automatic medicine powder conveying is achieved, the structure is simple, the stability is high, the output speed of medicine powder can be controlled through the adjusting valve, medical workers do not need to pay more attention to medicine powder conveying, the operation method is simplified, and the stability of medicine liquid conveying is improved;
meanwhile, stable negative pressure of the pumped material can be formed by controlling the flow velocity of the air flow, so that the continuous and stable output of the medicinal powder is realized, the medicinal powder and the liquid medicine are always in an optimal proportioning interval, the mixing effect is favorably improved, and the treatment effect is improved;
in the technical scheme, the medicine powder tank is in a closed state, so that no matter what angle the medical care personnel holds the device, the medicine powder cannot leak, the medical care personnel can use the device in a more comfortable holding mode, the operability is stronger, and the user experience is improved;
compared with the prior art, the medicine liquid filling device has the advantages that the material pushing piston can be operated to fill medicine liquid after the regulating valve is opened, namely, the medicine liquid is synchronously conveyed to the focus in the process of spraying the medicine powder on the focus, so that the time difference between the medicine powder and the medicine liquid filling is shortened to the maximum extent, the medicine powder is prevented from being accumulated on the focus in large quantity, and the treatment quality is ensured; the purposes can be achieved through continuous high-pressure air, the reliability is good, the stability is high, and meanwhile, an electronic control assembly does not need to be additionally arranged.
Drawings
Fig. 1 is a side view of a wet and dry integrated spraying apparatus according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a dry-wet integrated spraying device provided in embodiment 1 of the present invention;
fig. 3 is a top view of a wet and dry integrated spray coating device according to embodiment 1 of the present invention;
FIG. 4 is a schematic view of a reservoir tank;
FIG. 5 is a cross-sectional view of a dual bore tube;
figure 6 is a schematic view of an adapter structure;
figure 7 is a schematic view of an adapter connection;
fig. 8 is a top view of a dry-wet integrated spraying device provided in embodiment 2 of the present application;
in the figure: 1-a rack, 2-a liquid storage tank, 3-a medicine powder tank, 4-a conical pipe, 5-a double-hole pipe, 6-a liquid conveying pipe, 7-a powder conveying pipe, 8-a pressure tank, 9-a negative pressure pipe, 10-a gas conveying pipe, 11-a powder pumping pipe, 12-a regulating valve, 13-a blowing pipe, 14-a material pushing piston, 15-a first buffer tank, 16-a silicone rubber pipe, 17-a duckbill valve, 18-an aggregate cover, 19-a regulating net, 20-a liquid injection port, 21-a sealing plug, 22-a plug port, 23-a second buffer tank, 24-a separation plate, 25-an adapter, 26-a first guide pipe, 27-a second guide pipe, 28-a connecting plate, 29-a hydrophobic coating, 30-a support ring and 31-a linear motor.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, the terms "upper", "lower", "front", and "rear", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The following further describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1 to 7, as an optional embodiment of the present application, the present embodiment provides a dry and wet integrated spraying device, which includes a frame 1, wherein the frame 1 is shaped like a pistol so as to facilitate holding and operation of medical personnel, a groove is arranged at the top of the frame 1, a fixing clip is arranged in the groove, and a liquid storage tank 2 and a pressure tank 8 are arranged in the groove through the fixing clip;
the liquid storage tank 2 is of a structure with one closed end and one open end, the closed end of the liquid storage tank is connected with an infusion tube 6, the open end of the liquid storage tank is inserted with a support ring 30, the middle part of the support ring 30 is provided with a sliding hole, a material pushing piston 14 is arranged in the infusion tube 6 in a sliding mode, and the material pushing piston 14 is connected with the support ring 30 in a sliding mode through the sliding hole; meanwhile, the outer side of the supporting ring 30 is also provided with a splicing groove which is matched with the liquid storage tank 2, and the liquid storage tank 2 is fixedly connected with the supporting ring 30 through the splicing groove; meanwhile, in order to improve the connection stability of the support ring 30, an anti-skid rubber ring can be filled in the insertion groove;
meanwhile, in order to improve the convenience of filling the liquid medicine, the top of the liquid storage tank 2 is also provided with a liquid filling port 20, the inner thread of the liquid filling port 20 is connected with a sealing plug 21 in a buckling manner, the sealing performance of the liquid filling port 20 can be effectively improved through the sealing plug 21, and leakage is avoided;
the handle part at the lower side of the rack 1 is of a hollow structure, the top of the medicine powder tank 3 is of an open structure, the medicine powder tank 3 is inserted into the cavity of the handle part, and the top opening of the medicine powder tank is connected with the rack 1 through a connecting thread; the mode is convenient to disassemble and assemble, meanwhile, the medicine powder tank 3 can be ensured to be in a closed state through the connection mode, on one hand, medicine powder pollution is avoided, on the other hand, the medicine powder tank 3 is in the closed state, so that no matter what angle the medical care personnel hold the device, the medicine powder cannot leak, the medical care personnel can use the device in a more comfortable holding mode, the operability is stronger, and the user experience is improved;
a conical tube 4 is further arranged in a groove in the top of the rack 1, the conical tube 4 is fixed through a clamping seat, a negative pressure tube 9 is arranged at the large head end of the conical tube 4, and a powder conveying tube 7 is connected to the small head end of the conical tube;
the tapered pipe 4 is also provided with a material pumping pipe, the inlet end of the material pumping pipe penetrates through the rack 1 and is inserted into the medicine powder tank 3, meanwhile, the inlet end of the material pumping pipe is also provided with an aggregate cover 18, the aggregate cover 18 is in a conical structure, the small head end of the aggregate cover is connected with the powder pumping pipe 11, the large head end of the aggregate cover is provided with an adjusting net 19, the adjusting net 19 is preferably a stainless steel wire net, and the aperture of the stainless steel wire net is 10-15 times of the particle size of the medicine powder; the outlet end of the powder pumping pipe 11 is opposite to the outlet end of the conical pipe 4;
the material pumping efficiency of the material pumping pipe can be enlarged through the action of the material collecting cover 18, and the removal rate of the medicinal powder can be controlled through the adjusting net 19, so that the quick output of the material is realized on the premise of ensuring the stable output; meanwhile, the adjusting net 19 can prevent the medicinal powder from entering the powder pumping pipe 11 by itself, so that the running reliability and stability of the equipment are improved;
the pressure tank 8 is also provided with a gas pipe 10, the gas pipe 10 is provided with an adjusting valve 12, the gas pipe 10 is also connected with a powder blowing pipe in parallel while being communicated with the negative pressure pipe 9, the outlet end of the powder blowing pipe penetrates through the rack 1 and is inserted into the powder tank 3, meanwhile, the silica gel pipe 16 is connected through a first buffer pipe, and the outlet end of the silica gel pipe 16 is connected with a duckbill valve 17;
according to the automatic powder feeding device, the material pumping negative pressure is formed by the high-speed airflow sprayed by the compressed air in the pressure tank 8, and then the powder in the powder tank 3 is pumped out through the powder pumping pipe 11, so that the automatic powder feeding is realized, the operation procedure of the device is simplified, and meanwhile, in the process of conveying the powder, medical personnel can convey liquid medicine according to needs, so that the time difference of conveying the powder medicine and the liquid medicine is greatly shortened;
in addition, medical personnel can flexibly control the time difference between the medicine powder and the medicine liquid delivery according to the characteristics of the medicine powder so as to adapt to the use requirement of low-adhesion medicine powder and greatly expand the use range of equipment;
the powder blowing tube can not continuously introduce air into the medicine powder tank 3 to make up the air after the medicine powder is extracted by the material pumping tube, so that the air pressure in the medicine powder tank 3 is kept stable, a stable pressure difference is formed between the conical tube 4 and the medicine powder tank 3, and the continuous and stable output of the medicine powder is realized; on the other hand, the air discharged at high speed can blow up the powder in the powder tube, so that a large amount of powder in a suspended state is formed in the powder tank 3, which not only can effectively adjust the delivery amount of the powder and keep the delivery amount stable; meanwhile, the situation that a large amount of medicinal powder cannot be pumped out due to too small negative pressure of pumping materials and too tight accumulation of medicinal powder can be avoided, and the quantitative delivery of the medicaments is ensured;
the first buffer tank 15 is used for reducing the air flow rate to avoid the over-high flow rate of the medicine powder caused by the over-high flow rate of the air flow, so that the medicine powder can be suspended at the top of the medicine powder tank 3 at a low movement speed, the medicine powder can be stably pumped out by the pumping pipe, and the continuous and stable output of the medicine powder is realized;
moreover, the duckbill valve 17 can expand the columnar airflow into a planar shape, so that the whole medicine powder pile is covered, the quantitative conveying of the medicine powder is ensured, and the medicine powder is prevented from remaining; simultaneously the chooseing for use of silicone tube 16 guarantees that when whole spraying device takes place the pivoted, duckbill valve 17 is in the vertical state all the time to ensure to pile the contact at the rotatory in-process of powder jar 3 and the powder at different positions, and then ensure to sweep all powder for the suspended state, improve the transport rate of powder, reduce the medicine residue in the powder pipe.
The machine frame 1 is also provided with a double-hole pipe 5, the cross section of the double-hole pipe 5 is circular, square or oval, and a partition board for dividing two feeding channels is integrally arranged in the double-hole pipe 5 along the axial direction of the double-hole pipe; the double-hole pipe 5 can also be any other structure with two mutually independent feeding cavities; the outlet end of the double-hole pipe 5 is sprayed with the water delivery coating, so that the liquid medicine can be prevented from being accumulated at the outlet end through the water delivery coating, and further the liquid medicine reacts with the output medicinal powder to generate colloid to block the double-hole pipe 5, and the smooth discharge of the liquid medicine and the medicinal powder is ensured;
an adapter 25 is arranged at the inlet end of the double-hole pipe 5, the adapter 25 comprises a first guide pipe 26, a second guide pipe 27 and a connecting plate 28, the first guide pipe 26 and the second guide pipe 27 are arranged side by side and are connected through the connecting plate 28, and the outer diameters of the outlet ends of the first guide pipe 26 and the second guide pipe 27 are smaller than the inner diameter of the double-hole pipe 5, so that the outlet ends of the first guide pipe 26 and the second guide pipe 27 are respectively inserted into the two inlet ends of the double-hole pipe 5; a powder conveying pipe 7 is arranged at the outlet end of the conical pipe 4, a liquid conveying pipe 6 is arranged at the outlet end of the liquid storage tank 2, the outer diameter of the liquid conveying pipe 6 is smaller than the inner diameter of the first guide pipe 26, the outer diameter of the powder conveying pipe 7 is smaller than the inner diameter of the second guide pipe 27, when the powder conveying pipe is used, the liquid conveying pipe 6 is inserted into the first guide pipe 26, and the powder conveying pipe 7 is inserted into the second guide pipe 27;
meanwhile, limiting grooves are formed in two ends of the connecting plate 28, and the double-empty pipe, the infusion pipe 6, the powder conveying pipe 7 and other pipe fittings are respectively inserted into the limiting grooves, so that the stability and the reliability of connection are improved;
the convenience of connection can be improved through the structure; meanwhile, through the arrangement of the pipe diameters, the pipe diameters of different pipe fittings are ensured to be gradually increased along the flowing direction of the materials, so that a boss structure is prevented from being formed in the flowing direction of the materials, and a dead zone for material conveying is further formed; on one hand, materials can be accumulated in a dead zone in a large amount, the material conveying rate is improved, and meanwhile, the leakage at the interface can be avoided.
Still be provided with second buffer tank 23 on defeated powder pipe 7 simultaneously, through second buffer tank 23 can effectively adjust the powder velocity of flow, can enough avoid the too high discomfort that strikes the sick kitchen area and arouse of velocity of flow, also can guarantee the effective adhesion of powder simultaneously.
In order to realize the control of the output quantity of the liquid medicine, a conical spray head which is integrally connected with the outlet end of the double-hole pipe 5 is also arranged at the outlet end of the transfusion cavity, and the cocurrent area of the liquid medicine output end is reduced through a conical structure, so that the spraying speed of the liquid medicine is controlled;
meanwhile, the sprayed liquid medicine is shunted through the steel wire mesh by arranging the steel wire mesh at the position, so that the liquid medicine is prevented from being sprayed out quickly and intensively.
When the spraying device is used, the outlet end of the double-hole pipe 5 is opposite to a focus part needing spraying medicine, meanwhile, a medical worker holds the rack 1 by hand, the regulating valve 12 is opened to penetrate through the air conveying pipe 10, and part of compressed air stored in the pressure tank 8 is sprayed out of the conical pipe 4 through the air conveying pipe 10 and the negative pressure pipe 9; because the conical tube 4 has the characteristic of large inlet and small outlet, when air flows at high speed, negative pressure is formed in the medicine powder tank 3, and meanwhile, the other part of compressed air output from the pressure tank 8 enters the main medicine powder tank 3 through the blowing and distributing tube, so that the accumulated medicine powder is blown up and is distributed in the medicine powder tank 3 in a suspension state; the negative pressure formed in the conical tube 4 pumps out the suspended medicine powder in the medicine powder tank 3 through the material pumping tube, and then enters the focus through the double-hole tube 5; meanwhile, the air output by the powder blowing pipe can continuously supplement the air in the medicine powder tank 3 which is pumped away by the powder pumping pipe 11 so as to keep the air pressure in the medicine powder tank 3 stable, and further form stable pressure difference between the conical pipe 4 and the medicine powder tank 3, so that the continuous and stable output of the medicine powder is realized, the processes are automatically finished through the continuous automatic output of the air flow, and the conveying of the medicine powder is also automatically finished;
meanwhile, the medical staff pushes the pushing piston 14 to push the liquid medicine in the liquid storage tank 2 into the double-hole pipe 5, and finally the liquid medicine is conveyed to a focus part through the double-hole pipe 5 and mixed with the medicinal powder in the focus area, so that the synchronous conveying of the liquid medicine and the medicinal powder is realized;
compared with the prior art, the automatic medicine powder conveying device has the advantages that negative pressure is formed through high-speed airflow, so that automatic medicine powder conveying is achieved, the structure is simple, the stability is high, the output speed of medicine powder can be controlled through the regulating valve 12, medical workers do not need to pay more attention to medicine powder conveying, the operation method is simplified, and the stability of medicine liquid conveying is improved;
meanwhile, stable negative pressure of the pumped material can be formed by controlling the flow velocity of the air flow, so that the continuous and stable output of the medicinal powder is realized, the medicinal powder and the liquid medicine are always in an optimal proportioning interval, the mixing effect is favorably improved, and the treatment effect is improved;
in the technical scheme, the medicine powder tank 3 is in a closed state, so that no matter what angle the medical care personnel holds the device, medicine powder cannot leak, the medical care personnel can use the device in a more comfortable holding mode, the operability is stronger, and the user experience is improved;
compared with the prior art, the pushing piston 14 can be operated to realize filling of the liquid medicine after the regulating valve 12 is opened, namely, the liquid medicine is synchronously conveyed to the focus in the process of spraying the medicinal powder on the focus, so that the time difference between the medicinal powder and the filling of the liquid medicine is shortened to the maximum extent, the medicinal powder is prevented from being accumulated on the focus in large quantity, and the treatment quality is ensured; the purposes can be achieved through continuous high-pressure air, the reliability is good, the stability is high, and meanwhile, an electronic control assembly does not need to be additionally arranged.
Referring to fig. 8, this embodiment is another optional embodiment of the present application, and it discloses a dry and wet integrated spraying device on the basis of embodiment 1, including a frame 1, a liquid storage tank 2 and a powder tank 3 are arranged on the frame 1, the liquid storage tank 2 is a structure with one closed end and one open end, an infusion tube 6 is connected to the closed end, a material pushing piston 14 is further slidably arranged in the liquid storage tank 2, a linear motor 31 is further arranged in the liquid storage tank 2, and the linear motor 31 is connected to the material pushing piston 14 to drive the material pushing piston 14 to reciprocate; meanwhile, a linear motor 31 controller and a storage battery are also arranged on the rack 1, the controller and the storage battery can be matched with the linear motor 31, and are arranged on a handle at the bottom of the rack 1 for convenient control;
the automation of the equipment can be further improved through the arrangement, so that the time difference between the liquid medicine and the medicine powder conveying is further reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (9)
1. A dry-wet integrated spraying device is characterized by comprising a rack (1), wherein a liquid storage tank (2), a medicinal powder tank (3) and a conical pipe (4) which are separated from each other are arranged on the rack (1); the rack (1) is also provided with a double-hole pipe (5) for conveying liquid medicine and medicinal powder simultaneously, and one inlet end of the double-hole pipe (5) is communicated with the liquid storage tank (2) through a liquid conveying pipe (6); the small end of the conical pipe (4) is communicated with the other inlet end of the double-hole pipe (5) through a powder conveying pipe (7); the frame (1) is also provided with a pressure tank (8), a negative pressure pipe (9) is arranged in the conical pipe (4), the outlet end of the negative pressure pipe (9) is opposite to the outlet end of the conical pipe (4), and the inlet end of the negative pressure pipe is communicated with the pressure tank (8) through a gas pipe (10); the conical pipe (4) is also provided with a powder pumping pipe (11) communicated with the powder tank (3), the gas transmission pipe (10) is also provided with an adjusting valve (12) and a blowing pipe (13), and the outlet end of the blowing pipe (13) is inserted into the powder tank (3); a pushing piston (14) used for pushing out the liquid medicine is also arranged in the liquid storage tank (2) in a sliding way.
2. The dry-wet integrated spraying device according to claim 1, wherein the outlet end of the blowing pipe (13) is further connected with a first buffer tank (15), and the outlet end of the first buffer tank is connected with a silicone tube (16).
3. The dry-wet integrated spraying device according to claim 2, characterized in that a duckbill valve (17) is arranged at the outlet end of the silicone tube (16), and a collecting cover (18) is arranged at the inlet end of the powder pumping tube (11).
4. The dry-wet integrated spraying device according to claim 3, characterized in that the aggregate cover (18) is a conical structure, the small end of the aggregate cover is connected with the powder suction pipe (11), and the large end of the aggregate cover is provided with an adjusting net (19).
5. The dry-wet integrated spraying device as claimed in claim 1, wherein a liquid injection port (20) is formed in the top of the liquid storage tank (2), and a sealing plug (21) is screwed in the liquid injection port (20); the powder filling machine is characterized in that a socket (22) for installing a powder tank (3) is arranged at the bottom of the rack (1), the top of the powder tank (3) is of an open structure and is connected with the socket (22) in a threaded manner, and the powder pumping pipe (11) and the powder blowing pipe (13) penetrate through the top of the powder tank (3) and are inserted into the powder tank (3).
6. The dry-wet integrated spraying device according to claim 1, wherein the powder conveying pipe (7) is further provided with a second buffer tank (23) for reducing the flow rate of the powder.
7. A dry-wet integrated spraying apparatus according to claim 1, wherein the cross section of the dual-hole pipe (5) is square, circular or elliptical, and a partition plate for dividing two feeding passages is integrally provided in the dual-hole pipe (5) along the axial direction thereof.
8. A wet and dry integrated spraying device according to claim 7, wherein the inlet end of the dual-hole tube (5) is provided with a joint (25), the joint (25) comprises a first conduit (26) and a second conduit (27) which are respectively inserted into the two inlet ends of the dual-hole tube (5), and the first conduit (26) and the second conduit (27) are connected through a connecting plate (28); the infusion tube (6) is inserted into the inlet end of the first guide tube (26), and the powder conveying tube (7) is inserted into the inlet end of the second guide tube (27).
9. A wet and dry integrated spraying device according to claim 8, wherein the outlet end of the double-hole tube (5) is provided with a hydrophobic coating (29) for preventing the powder from blocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211199927.3A CN115382082B (en) | 2022-09-29 | 2022-09-29 | Dry and wet integrated spraying device |
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| CN202211199927.3A CN115382082B (en) | 2022-09-29 | 2022-09-29 | Dry and wet integrated spraying device |
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| CN115382082A true CN115382082A (en) | 2022-11-25 |
| CN115382082B CN115382082B (en) | 2024-03-29 |
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