CN113082342B - Disposable pipeline system for cutting or flushing wound surface by adopting high-pressure fluid - Google Patents
Disposable pipeline system for cutting or flushing wound surface by adopting high-pressure fluid Download PDFInfo
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- CN113082342B CN113082342B CN202110341979.9A CN202110341979A CN113082342B CN 113082342 B CN113082342 B CN 113082342B CN 202110341979 A CN202110341979 A CN 202110341979A CN 113082342 B CN113082342 B CN 113082342B
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- 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
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- 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
- A61M3/0283—Cannula; Nozzles; Tips; their connection means with at least two inner passageways, a first one for irrigating and a second for evacuating
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Abstract
The invention discloses a disposable pipeline system for cutting or flushing a wound surface by adopting high-pressure fluid, which comprises a spraying pipeline and a cleaning pipeline, wherein the spraying pipeline comprises: a first front section spatially parallel to the wound surface to output high pressure fluid to the wound surface; a first rear section which forms an included angle of 15-60 degrees with the wound surface in space and is matched with external high-pressure fluid input equipment; and the first middle section is in transitional connection with the first front section and the first rear section. The invention provides a disposable pipeline system for cutting or flushing a wound surface by adopting high-pressure fluid, which effectively avoids bending of a fluid jet pipeline by limiting the structures of an external structure and an internal emergent passage of the jet pipeline, improves the working efficiency of the fluid to the maximum extent according to the fluid mechanics principle, simultaneously avoids the collision and friction of the high-pressure fluid in the pipeline when the fluid passes through the pipeline, reduces the energy loss of the fluid in the pipeline, and greatly improves the working efficiency of the fluid system.
Description
Technical Field
The invention relates to the medical field. More particularly, the present invention relates to a disposable tubing system for use in surgical debridement and cutting of slough from the surface of a wound using high pressure fluid to cut or irrigate the wound surface.
Background
High-pressure jet is applied to clinical medical activities at present, and is mainly used for pressurizing sterile normal saline through a pump, and then forming high-pressure jet flow through a fine nozzle on a pump body, so that the high-pressure jet flow is used for cleaning large-area wounds before an integrated surgical operation.
The existing spraying pipeline and recovery system for cutting or flushing the disposable medical high-pressure fluid generally have the following problems:
firstly, the structure of the spray pipeline is too complex and has single function, and only the function of flushing or cutting can be achieved, namely most products in the market only have a high-pressure fluid cutting/flushing system, and liquid recovery needs an independent device to take charge, needs other people to cooperate and is inconvenient to operate;
secondly, the structure design of the injection pipeline is unreasonable, namely, the external structure of the fluid injection pipe in the high-pressure fluid pipeline system and the structure layout of the internal pipeline channel cause the fluid injection pipe to be bent more or bent greatly, thereby greatly influencing the energy consumption (energy loss) of the fluid in the pipeline, causing the pressure after the fluid is emitted to be not up to the ideal requirement, causing the flushing efficiency to be reduced to a great extent, and in order to ensure that the flushing pressure meets the use requirement, the common method is to increase the output pressure of the pump, thereby causing the structure complexity and the volume of the equipment to be increased along with the increase, and simultaneously, the external structure layout is unreasonable, thereby causing the structure requirement to be larger and the volume to be increased when the external sleeved pump body is matched;
thirdly, the structure and the appearance of the existing liquid recovery device are unreasonable, and the residue and the waste liquid brought by cutting/flushing the use part after the fluid flows out of the nozzle cannot be well taken away from the operation part, so that great potential safety hazards are left.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a spray line for cutting or irrigating a wound surface with a high-pressure fluid, including:
a first front section spatially parallel to the wound surface to output high pressure fluid to the wound surface;
a first rear section which forms an included angle of 15-60 degrees with the wound surface in space and is matched with external high-pressure fluid input equipment;
and the first middle section is in transitional connection with the first front section and the first rear section.
Preferably, the first front section is provided with a convergent nozzle having a conical structure on a fluid output side;
wherein, the convergent nozzle is provided with a capillary water outlet hole which is concentric with the first front section at the water outlet side.
Preferably, the first rear section further comprises a hose connecting the first rear section to an external high pressure fluid input device.
The first rear section is connected with the hose through a connecting piece;
wherein, a through hole for the first rear section to extend into is arranged in the connecting piece;
the inner diameter of one side of the through hole matched with the hose is configured to be larger than the inner diameter of one side of the through hole matched with the first rear section, so that the through hole is in a step shape in space.
Preferably, the hose and the connector are connected in a manner configured to be a pipe crimping or threaded connection.
A recovery pipeline cooperating with the injection pipeline, which is configured to have a second front section, a second middle section and a second rear section cooperating with the injection pipeline;
wherein the length of the second front section is configured to be larger than that of the first front section, and the free end of the second front section is provided with a flared recovery flared opening;
the flaring is arranged opposite to the water outlet hole of the injection pipeline in space through the U-shaped bending section so as to construct a debridement interval between the flaring and the capillary water outlet hole.
Preferably, the flared opening is not arranged spatially concentrically with the capillary outlet opening, and a lower edge of the flared opening is spatially arranged lower than a lower edge of the injection line.
A pipeline system for cutting or flushing a wound surface by using a recovery pipeline and a jet pipeline also comprises a fixing part which is matched with the external structures of the recovery pipeline and the jet pipeline so as to connect the recovery pipeline and the jet pipeline into a whole and has a U-shaped section;
one end of the open part of the fixing piece is connected with the flaring, and the other end of the open part of the fixing piece is connected with the injection pipeline;
the one side that the mounting deviates from open portion is connected with the recovery pipeline.
Preferably, the inner diameter of a section of the fixing piece matched with the flaring is configured to be larger than that of a section of the fixing piece matched with the spraying pipeline, so that the fixing piece has a transitional contraction section between the flaring and the capillary water outlet hole;
the transition contraction section constructs a closed space for debridement in a debridement interval, and the fixing piece is provided with at least one air passing hole for communicating the closed space with the outside.
Preferably, the recovery line, the injection line, the fixing member, and the connecting member are configured to be made of stainless steel material.
The invention at least comprises the following beneficial effects: firstly, the external structure and the internal emergent passage of the jet pipeline are structurally limited, so that the whole appearance of the jet pipeline of the fluid is not bent in a large radian, the rear end of the nozzle is provided with a necessary structural bending transition region of 25 degrees in the middle, and the rest regions are linear, the fluid jet pipeline is effectively prevented from being bent, the working efficiency of the fluid is improved to the maximum extent according to the fluid mechanics principle, and meanwhile, the high-pressure fluid is prevented from colliding and rubbing in the pipeline to reduce the energy loss of the fluid in the pipeline when the fluid passes through the pipeline, and the working efficiency of a fluid system is improved to a great extent.
Secondly, the invention adopts a similar straight pipe for emission and a U-shaped bent pipe for recovery through the external structure, the internal recovery passage, the flaring and the spatial layout of the injection pipeline, and utilizes the residual kinetic energy of the fluid to reach the corresponding waste liquid collection area through the recovery pipeline after the high-pressure high-speed jet flow is emitted through the injection pipeline and the wound part is cut/washed.
Thirdly, the injection pipeline and the recovery pipeline are connected through the fixing piece, so that an integrated pipeline system is formed, the injection pipeline and the recovery pipeline do not need to be additionally adjusted in angle and position in operation, the matching stability is good, and the injection pipeline and the recovery pipeline are quickly installed and easily detached when being matched with external equipment.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic cross-sectional view of an injection line according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an external structure of a piping system according to another embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a piping system according to another embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a recycling line according to an embodiment of the present invention;
FIG. 5 is a side view of a fastener of one embodiment of the invention;
FIG. 6 is a schematic top view of a fastener of an embodiment of the present invention;
FIG. 7 is a schematic side view of a piping system according to another embodiment of the present invention;
fig. 8 is a schematic cross-sectional view a-a of fig. 2.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that in the description of the present invention, the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like, should be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.
Fig. 1 shows an embodiment of a spray line for cutting or flushing a wound surface with a high-pressure fluid according to the invention, wherein the spray line 1 comprises:
a first front section 10 spatially parallel to the wound surface for outputting high pressure fluid to the wound surface;
a first rear section 11 which is spatially at an angle of 15-60 degrees to the wound surface to cooperate with an external high pressure fluid input device, in which configuration an angle of preferably 25 degrees may be used;
a first middle section 12 for transitionally connecting the first front section and the first rear section;
wherein, the first front section, the first middle section and the first rear section are internally provided with a fluid emergent passage 13 matched with the external structure, in the structure, the front end of the fluid injection pipeline and the internal pipeline matched with the fluid injection pipeline are in a linear type through the matching design of the external structure and the internal passage, the middle part of the fluid injection pipeline and the internal pipeline matched with the fluid injection pipeline are bent at 25 degrees (other angles are included), the rear end of the fluid injection pipeline and the internal pipeline matched with the fluid injection pipeline are in a linear type, namely the appearance structure of the fluid injection pipeline is straight in front, curved in middle and straight behind to meet the emergent requirement of the fluid, in the scheme, the overall appearance of the fluid injection pipeline is not bent at a large radian, and the other areas are in a necessary structural bending transition area of 25 degrees at the rear end of the nozzle, all the other areas are in a linear type, thereby effectively avoiding the bending of the fluid injection pipeline and maximizing the working efficiency of the fluid following the fluid mechanics principle, meanwhile, when the fluid passes through the pipeline, the high-pressure fluid collides and rubs in the pipeline to reduce the energy loss of the fluid in the pipeline, so that the working efficiency of a fluid system is greatly improved, and the problem that the volume of the equipment is uncontrollable due to the fact that high-power functional equipment is required to be adopted due to overlarge fluid pressure loss when the radian of the injection pipeline or the bending is large in the prior art is solved.
As shown in fig. 1 and 8, in another example, the first front section is provided with a convergent nozzle 14 having a conical structure on the fluid output side, for the comprehensive consideration of system performance and processing, a conical convergent nozzle is adopted at the fluid nozzle at the front end, and the basic principle of fluid mechanics is followed, so that when fluid passes through the conical convergent region, the collision friction between the fluid and the pipe wall in the pipe diameter changing process can be reduced, the energy loss of the fluid in the pipeline can be reduced, and the wear consumption of the output pressure of the high-pressure fluid supply device can be reduced;
the convergent nozzle is provided with a capillary water outlet hole 15 which is concentric with the first front section on the water outlet side, the nozzle is provided with a section of linear capillary water outlet hole after conical convergence, so that the fluid is favorably gathered into a water beam, the divergence speed of the fluid after being sprayed is reduced, the cutting or washing efficiency of jet flow is improved, and the technical problems that in the prior art, the jet flow nozzle is unreasonable in design, the cutting/impact force of the fluid after flowing out of the nozzle is influenced by the position and the structural shape of the jet flow nozzle, and the use efficiency of products is reduced are effectively solved.
In another example, the flexible pipe 2 for connecting the first rear section with an external high-pressure fluid input device is further included, and in the structure, through the connection of the high-pressure flexible pipe, the spraying pipeline can carry out related cutting or flushing operations on different parts and areas more conveniently, and meanwhile, the size length of the spraying pipeline can be set to be shorter compared with the prior art, so that the volume and the quality of the device can be controlled.
As shown in fig. 3, in another example, a connector 3 for connecting the first rear section with a hose is further included;
wherein, a through hole 30 for the first rear section to extend into is arranged in the connecting piece;
the inner diameter of one side of the through hole matched with the hose is configured to be larger than the inner diameter of one side of the through hole matched with the first rear section, so that the through hole is in a step shape in space.
In another example, the hose and the connector are connected in a way configured to be fastened or screwed to ensure the fitting degree and connection stability of the hose and other external devices when the hose is used as a medical disposable device, and the safety of the high-pressure fluid working hose can be ensured more stably and effectively.
Referring to fig. 4, a recycling pipeline cooperating with an injection pipeline, the recycling pipeline 4 is configured to have a second front section 40, a second middle section 41, and a second rear section 42 cooperating with the injection pipeline, by this structural design, the two have better spatial matching, which is more beneficial for the connection of the later fixing member to form an integrated structure;
the length of the second front section is configured to be larger than that of the first front section, the free end of the second front section is provided with a flared recovery flared opening 43, the flared recovery flared opening is defined by the pipe diameter and designed in a flared opening mode, a waste liquid collection area port with a relatively large area is formed between the injection pipeline and the flared opening, and the smooth degree of recovery of waste liquid and residues is more favorable;
in the structure, a fluid injection pipeline and a recovery pipe are arranged oppositely, and residual kinetic energy after fluid cutting or flushing is utilized to send waste liquid and residues into the fluid recovery pipeline, and the waste liquid and the residues can be quickly, conveniently and efficiently finished in work by matching with external suction setting, so that the waste of redundant people or material resources is avoided in fluid recovery;
the fluid recycling passage 45 matched with the external structure is arranged inside the second front section, the second middle section and the second rear section, in the structure, the matching type design of the external structure and the internal passage is adopted, so that the front end of the fluid recycling pipeline and the internal pipeline matched with the front end of the fluid recycling pipeline are linear, the middle part of the recycling pipeline and the internal pipeline matched with the recycling pipeline are bent by 25 degrees (other angles are included), the rear end of the fluid recycling pipeline and the internal pipeline matched with the rear end of the fluid recycling pipeline are linear, namely the external structure of the fluid recycling pipeline is straight in front, curved in middle and straight behind, and the matching degree of the fluid recycling pipeline and the injection pipeline is better.
In another example, as shown in fig. 2-3, the flaring and the capillary outlet hole are not arranged coaxially in space, and the lower edge of the flaring is arranged lower than the lower edge of the injection pipeline in space, in this structure, the front end of the flaring and the injection pipeline are not coaxial, and the edge of the flaring is lower than the injection pipeline, so that after the fluid output from the capillary outlet of the nozzle is ejected, the water beam of the fluid forms a certain angle with the inner arm of the flared end of the U-shaped end of the fluid recovery pipeline to reduce the impact on the inner wall of the pipe, and the recovery efficiency of the waste liquid/residue during the fluid cutting or flushing process is improved.
Referring to fig. 2-3 and 5-7, a pipeline system for cutting or flushing a wound surface by using a jet pipeline further comprises a fixing member 5 which is matched with the external structures of the recovery pipeline and the jet pipeline to connect the recovery pipeline and the jet pipeline into a whole and has a U-shaped section;
one end of the open part of the fixing piece is connected with the flaring, and the other end of the open part of the fixing piece is connected with the injection pipeline;
the mounting deviates from the one side of open part and is connected with the recovery pipeline, in actual operation, mounting exterior structure and recovery pipeline, the injection pipeline cooperatees, make the structural stability of three after the cooperation better, the design of U-shaped structure simultaneously, make the recovery pipeline of great pipe diameter and the face of weld when adopting the welding to connect of the injection pipeline of less pipe diameter bigger, welding stability is better, can hold injection pipeline part through opening a part promptly, guarantee its connection stability and welded maneuverability, accomplish injection pipeline and recovery pipeline's being connected through the mounting simultaneously, and then form the pipe-line system of integral type, need not additionally in the operation to spray the pipeline, the recovery pipeline carries out the angle, position adjustment, complex stability is good, it is quick with the installation of external equipment when the cooperation, easily split.
As shown in fig. 2 and 5-6, in another example, the inner diameter of a section of the fixing member, which is matched with the flared opening, is configured to be larger than the inner diameter of a section of the fixing member, which is matched with the injection pipeline, so that the fixing member has a transitional contraction section 50 between the flared opening and the capillary water outlet hole, and the contact area during connection is increased through the matching of the inner diameters, so that after the fixing member is connected by adopting a welding mode, the structural stability after connection between structural members is better, and the contraction section is designed to have better transitivity between the contraction section and the structural member, and meanwhile, an area relatively closing the wound surface to the outside during debridement can be obtained;
in the structure, after a fluid recovery pipeline, a fixing piece and a fluid injection pipeline are fixedly connected with each other, a relatively closed area is formed between the open part of the fixing piece and a wound surface through the open part of the fixing piece, so that a high-pressure jet can form a relatively negative pressure area to better recover residues generated by fluid cutting/flushing, and the fixing piece is provided with an air passing hole matched with the closed area, so that the situation that the part (wound surface) applied with operation is damaged by the relatively vacuum state formed by the high-speed fluid in the closed area is avoided, and the air passing hole with small aperture is arranged to ensure that the fluid can smoothly flow back under certain negative pressure, meanwhile, the negative pressure of the wound dressing does not influence the wound surface.
In another example, the recycling line, the spraying line, the fixing member, and the connecting member are all configured to be made of stainless steel material to obtain, and the connection between the structural members is completed by welding, so as to ensure the structural stability of the equipment and the cleanliness of the equipment.
The above scheme is merely illustrative of a preferred example, and is not limiting. When the invention is implemented, appropriate replacement and/or modification can be carried out according to the requirements of users.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (8)
1. A disposable tubing system for cutting or irrigating a wound surface with a high-pressure fluid, comprising a jet line and a recovery line which are mated, the jet line being configured to include:
a first front section spatially parallel to the wound surface to output high pressure fluid to the wound surface;
a first rear section which forms an included angle of 15-60 degrees with the wound surface in space and is matched with external high-pressure fluid input equipment;
a first middle section for transitionally connecting the first front section and the first rear section;
the first front section is provided with a convergent nozzle with a conical structure on the fluid output side;
wherein the convergent nozzle is provided with a capillary water outlet hole concentric with the first front section on the water outlet side;
the recovery pipeline is configured to be provided with a second front section, a second middle section and a second rear section which are matched with the injection pipeline;
wherein the length of the second front section is configured to be larger than that of the first front section, and the free end of the second front section is provided with a flared recovery flared opening;
the flaring is arranged opposite to the capillary water outlet hole of the jet pipeline in space through the U-shaped bending section so as to construct a debridement interval between the flaring and the capillary water outlet hole.
2. A disposable tubing system for cutting or irrigating a wound bed using high pressure fluid according to claim 1, further comprising a hose connecting the first rear section to an external high pressure fluid input device.
3. A disposable tubing system for cutting or irrigating a wound bed using high pressure fluid according to claim 2, further comprising a connector connecting the first rear section to the flexible tube;
wherein, a through hole for the first rear section to extend into is arranged in the connecting piece;
the inner diameter of one side of the through hole matched with the hose is configured to be larger than the inner diameter of one side of the through hole matched with the first rear section, so that the through hole is in a step shape in space.
4. A disposable tubing system for cutting or irrigation of a wound bed using high pressure fluid according to claim 3 wherein the hose and connector are configured for tubing crimping or threading.
5. A disposable tubing system for cutting or irrigation of a wound bed using high pressure fluid according to claim 1 wherein the flared opening is not spatially concentric with the capillary outlet opening and a lower edge of the flared opening is spatially disposed lower than a lower edge of the jet tubing.
6. A disposable tubing system for cutting or irrigating a wound bed using a high pressure fluid as in claim 1, further comprising a fixing member having a U-shaped cross-section and cooperating with the external structures of the recovery tube and the injection tube to connect them together;
one end of the open part of the fixing piece is connected with the flaring, and the other end of the open part of the fixing piece is connected with the injection pipeline;
the one side that the mounting deviates from open portion is connected with the recovery pipeline.
7. A disposable tubing system for cutting or irrigation of a wound bed using high pressure fluid according to claim 6 wherein the inner diameter of the section of the anchor member that mates with the flared opening is configured to be larger than the inner diameter of the section of the anchor member that mates with the jet conduit such that the anchor member has a transitional constriction between the flared opening and the capillary outlet opening;
the transition contraction section constructs a debridement closed space in a debridement interval, and the fixing piece is provided with at least one air passing hole for communicating the closed space with the outside.
8. A disposable tubing system for cutting or irrigation of a wound bed using high pressure fluid as recited in claim 1 wherein the recovery tubing, the injection tubing, the fasteners, and the connectors are all configured to be fabricated from stainless steel material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110341979.9A CN113082342B (en) | 2021-03-30 | 2021-03-30 | Disposable pipeline system for cutting or flushing wound surface by adopting high-pressure fluid |
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| CN202110341979.9A CN113082342B (en) | 2021-03-30 | 2021-03-30 | Disposable pipeline system for cutting or flushing wound surface by adopting high-pressure fluid |
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| CN113082342B true CN113082342B (en) | 2022-08-02 |
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| JPH06327774A (en) * | 1993-05-21 | 1994-11-29 | Nissho Corp | Washing and sucking catheter |
| CN2520148Y (en) * | 2002-01-14 | 2002-11-13 | 王志鑫 | Medical debridement device |
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| WO2007142756A1 (en) * | 2006-04-25 | 2007-12-13 | Hydrocision, Inc. | Electroformed liquid jet surgical instrument |
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| CN202236541U (en) * | 2011-08-05 | 2012-05-30 | 丁一阳 | Drainage device for flushing and negative pressure suction of wound |
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| CN204485039U (en) * | 2014-09-19 | 2015-07-22 | 江苏昊普生物医学科技有限公司 | A kind of disposable pulse, irrigation drainage tube |
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| CN208405538U (en) * | 2017-10-23 | 2019-01-22 | 山东省千佛山医院 | A kind of crissum surface of a wound cleaning device |
| CN208049104U (en) * | 2017-12-04 | 2018-11-06 | 徐运清 | Auxiliary device is rinsed in department of general surgery's debridement |
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| CN209203439U (en) * | 2018-09-29 | 2019-08-06 | 江苏水岛医疗科技有限公司 | A kind of adjustable-angle Medical wound-cleaning water knife |
| CA3126894A1 (en) * | 2019-01-15 | 2020-07-23 | Stryker European Operations Limited | Ultrasonic surgical irrigation sleeve and related assemblies |
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