CN108514681A - Medical tube and cavity rinser - Google Patents
Medical tube and cavity rinser Download PDFInfo
- Publication number
- CN108514681A CN108514681A CN201810214203.9A CN201810214203A CN108514681A CN 108514681 A CN108514681 A CN 108514681A CN 201810214203 A CN201810214203 A CN 201810214203A CN 108514681 A CN108514681 A CN 108514681A
- Authority
- CN
- China
- Prior art keywords
- tube
- medical tube
- medical
- spire
- tube body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M25/0032—Multi-lumen catheters with stationary elements characterized by at least one unconventionally shaped lumen, e.g. polygons, ellipsoids, wedges or shapes comprising concave and convex parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H35/00—Baths for specific parts of the body
- A61H35/04—Baths for specific parts of the body for the nose
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
- A61M25/0053—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Epidemiology (AREA)
- Otolaryngology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of medical tube and cavity rinsers, wherein the medical tube includes：Tube body, the tube wall of the tube body have at least one section along the axially extending spire of the tube body, also, the spire has the thread pitch for penetrating the tube wall；Nappe, the nappe cover and seal the spire of the tube body in flexibility.Medical tube provided by the invention has taken into account material property and can guarantee that medical tube has preferable flexibility, has preferable applicability for complicated organizational environment.
Description
Technical field
The present invention relates to medical field and cavities to rinse field, more particularly, it is related to a kind of medical tube and chamber
Road flusher.
Background technology
Existing pipe generally use rigid structure, plastic construction or elastic construction.Develop with the technology of every field,
The pipe that many fields are required for shape variable is to adapt to different scenes.
In cavity flushing field, by taking nasal cavity as an example, nasal surgery or processing are very common in ear-nose-throat department
Processing form.Since nasal cavity space is narrow, construction is complicated, and interpatient variation is again very big, so, operation medical staff wants accurate
Arrival lesion is operated relatively difficult sometimes.
In order to meet the demand in cavity flushing field, panoramic medical tube is invented, for example, using rigid
The medical tube of property structure, plastic construction or elastic construction.
Invention content
Either rigid material, elastic material or other types of material, each material have the characteristic of itself.
But inventor has found that many medical tubes are difficult to take into account material property and medical tube in actually investigation and design process
Flexibility demand so that generate the wasting of resources, medical tube short life, undesirable product using effect the problems such as.
A kind of medical tube of embodiment of the present invention offer and cavity rinser, the medical tube have taken into account material property simultaneously
It can guarantee that medical tube has preferable flexibility, can solve the problems, such as above-mentioned part or all of.
On the one hand, embodiment of the present invention provides a kind of medical tube, including：
Tube body, the tube wall of the tube body have at least one section along the axially extending spire of the tube body, also, the spiral shell
Rotation portion has the thread pitch for penetrating the tube wall；
Nappe, the nappe cover and seal the spire of the tube body in flexibility.
In a kind of realization method of embodiment of the present invention, the tube body is integrally formed；Or, the tube body passes through to one
Body formed pipe carries out helical cut and is formed.
In a kind of realization method of embodiment of the present invention, the thread pitch is continuously distributed in the spire
Between adjacent thread.
In a kind of realization method of embodiment of the present invention, the tube body includes the rigid element made of rigid material
With the flexible portion made of rigid material, the rigid element does not arrange the spire, and the flexible portion arrangement is
State spire.
In the realization method, illustratively, the nappe covers the flexible portion.
In a kind of realization method of embodiment of the present invention, the nappe is：Thermal compound film after heat treatment or
Heat shrinkable film.
In a kind of realization method of embodiment of the present invention, one end of the tube body is formed to have the nozzle of opening.
Illustratively, described be open extends to the side wall of the nozzle from the top of the nozzle, and the opening is from the opening
Gradually magnify to the centre of the opening on both sides.Illustratively, the position of the close nozzle of the tube body is provided with described
Spire.
Embodiment of the present invention also provides a kind of cavity rinser, and the cavity rinser includes：
According to embodiment of the present invention or the medical tube of its realization method；
With the fluid treating device of the medical fluid communication, the fluid treating device is used for via the medical tube
Fluid is provided to cavity and/or for fluid to be sucked out via the medical tube.
The medical tube and cavity rinser that various embodiments using the present invention provide, have taken into account material property and energy
Ensure that medical tube has preferable flexibility, there is preferable applicability for complicated organizational environment.
Description of the drawings
Figure 1A is a kind of appearance diagram of according to embodiments of the present invention 1 medical tube；
Figure 1B is the partial sectional view of medical tube shown in Figure 1A；
Fig. 1 C are the partial structural diagrams of the tube body of medical tube shown in Figure 1A；
Fig. 2A is a kind of appearance diagram of according to embodiments of the present invention 2 medical tube；
Fig. 2 B are the partial sectional views of medical tube shown in Fig. 2A；
Fig. 2 C are the partial structural diagrams of the tube body of medical tube shown in Fig. 2A；
Fig. 3 A are the enlarged drawings of the local I in Fig. 2A；
Fig. 3 B are the sectional views of the local I I in Fig. 2 B；
Fig. 3 C are the views of the nozzle from the angle P in Fig. 2 B；
Fig. 3 D are the views of the nozzle from the angle Q in Fig. 2 B.
Specific implementation mode
It is described in detail to various aspects of the present invention below in conjunction with the drawings and specific embodiments.Wherein, many institute's weeks
Structure, component and its mutual connection, link or the operation known are not shown or do not elaborate.Also, it is described
Component, structure or function can in any way combine in one or more embodiments.Those skilled in the art answer
Work as understanding, following various embodiments are served only for the protection domain for example, and is not intended to limit the present invention.It can also hold
Readily understood, component, structure, unit or step in each embodiment described herein and shown in the drawings can be matched by various differences
It sets and is combined and designs.It can also be readily appreciated that, although may be only in some embodiments to specific names, term, range
Etc. explaining, but the explanation is equally applicable to other embodiments, unless stated otherwise.
【Embodiment 1】
Figure 1A is a kind of appearance diagram of according to embodiments of the present invention 1 medical tube, and Figure 1B is medical tube shown in Figure 1A
Partial sectional view, Fig. 1 C are the partial structural diagrams of the tube body of medical tube shown in Figure 1A.It carries out below in conjunction with the accompanying drawings specific
Explanation.
In the present embodiment, as shown in figures 1A-c, medical tube includes tube body 10 and nappe 20.Wherein, such as Figure 1B and
Shown in Fig. 1 C, the tube wall of the tube body 10 have at least one section along the axially extending spire 101 of the tube body 10, also, institute
Stating spire 101 has the thread pitch 102 for penetrating the tube wall.
In the present embodiment, as shown in Figure 1B, nappe 20 at least covers the spire 101 of the tube body 10, and
And seal the spire 101.Wherein, the nappe 20 is in flexibility.
As a kind of example effect for the medical tube that the embodiment of the present invention 1 is provided, with applied to complicated knot of tissue
For structure (for example, nasal cavity) environment, the tube body 10 for being provided with the spire 101 and thread pitch 102 is suitable in this environment
Lower extension is to reach target location.In other words, by the way that spire 101 and thread pitch 102 is arranged for tube body 10, it is easy to tube body 10
Bending is generated according to environment.
As a kind of example effect for the medical tube that the embodiment of the present invention 1 is provided, by using flexible nappe 20
It covers and sealing screw portion 101 ensure that the flexibility of medical tube while keeping medical tube sealing performance.
Based on design and mentality of designing that the present embodiment 1 provides, those skilled in the art can set according to actual demand
Count the width of each screw thread and the width etc. of screw thread extension angle, gap between screw in the length of spire, spire.The present invention is implemented
Example is not specifically limited this.
Optionally, in a kind of realization method of the present embodiment, the tube body 10 is integrally formed, to preferable whole
Body intensity.
Optionally, in a kind of realization method of the present embodiment, the tube body 10 to integrally formed pipe by carrying out spiral shell
Rotary-cut is cut and is formed.For example, integrally formed first in process manage, the setting position then passed through on the pipe carries out spiral shell
Cutting process is revolved, the tube body 10 in the embodiment of the present invention 1 is obtained.Such tube body 10 equally has preferable integral strength.
Optionally, in a kind of realization method of the present embodiment, thread pitch 102 is continuously distributed in the spire
Between 100 adjacent thread.Illustratively, as shown in Figure 1 C, there is gap between screw 102 between adjacent thread S1 and S2.
In one section of spire, the thread pitch between adjacent thread is formed continuously spiral helicine gap between screw.
Optionally, in a kind of realization method of the present embodiment, the tube body 10 is made of rigid material, for example, not
Become rusty steel, alloy material etc..There is higher intensity using tube body made of rigid material 10, and by the way that 101 He of spire is arranged
Thread pitch 102 and with the bending ability that is suitable for the application of.
Optionally, in a kind of realization method of the present embodiment, the nappe 20 uses polymer, such as is heat-treated it
Thermal compound film afterwards or heat shrinkable film take into account the flexibility of medical tube while sealed tube body 10.
Optionally, in a kind of realization method of the present embodiment, as shown in Figure 1B, tube body 10 includes rigid element a and soft
Property part b.Wherein, rigid element a has the ability for preferably maintaining shape invariance compared to flexible portion b, in other words, flexible
Part b is easier to bend.Illustratively, the rigid element a does not arrange the spire 101, and the flexible portion b
It is disposed with the spire 101.For example, the flexible portion b is disposed with the spiral in the link position of itself and rigid element a
Portion 101.
In the realization method, by the way that tube body 10 is designed as rigid element a and flexible portion b so that using medical
Guan Shi can provide the support and transmission of more great dynamics and torsion stiffness by rigid element a.As for rigid element a and soft
The length of property part b, those skilled in the art can not be limited with flexible design, this realization method.
In the realization method, illustratively, the rigid element a and flexible portion b are made of rigid material.It is described
Flexible portion b is realized by the spire 101 and is bent.
In the realization method, illustratively, the nappe 20 covers flexible portion b.Certainly, the present embodiment its
In its realization method, nappe 20 can cover entire tube body 10.
In the embodiment of the present invention 1, those skilled in the art's disclosure according to embodiments of the present invention is based on reasonably
Logic can be combined the realization method of the embodiment of the present invention, and herein to various combinations without enumerating, but this is same
Sample is fallen in the protection domain of the embodiment of the present invention.
【Embodiment 2】
Fig. 2A shows that a kind of appearance diagram of according to embodiments of the present invention 2 medical tube, Fig. 2 B are doctors shown in Fig. 2A
With the partial sectional view of pipe, Fig. 2 C show the partial structural diagram of the tube body of medical tube shown in Fig. 2A.It carries out below specific
Explanation.
In the present embodiment 2, medical tube has tube body 10 and nappe 20, and embodiment 1 is please referred to about their explanation
In respective description, do not repeat herein.
In the present embodiment 2, the medical tube also has nozzle 30, which is in fluid communication with tube body 10, for leading to
The opening 301 crossed on nozzle 30 delivers fluid (for example, liquid) to target location.
Optionally, in a kind of realization method of the present embodiment, the nozzle 30 is with the tube body 10 both as mutual
Independent component connection is formed as one.
Optionally, in a kind of realization method of the present embodiment, one end of the tube body 10 is formed as the nozzle 30.Example
Such as, the nozzle 30 is integrally formed with tube body 10, alternatively, the nozzle 30 is integrally formed with the pipe for forming the tube body 10.It adopts
With the realization method, tube body 10 has good integral strength with nozzle 30, can effectively avoid existing as a whole
The nozzle present in hydro-peening part formed by assembling plastic tube and plastic nozzle falls risk, and is sent to by nozzle 30
During affected part, certain torque at nozzle 30 can be born, facilitates nozzle 30 according to requiring to rotate.
Optionally, in a kind of realization method of the present embodiment, the opening 301 is extended to from the top of the nozzle 30
The side wall of the nozzle 30, and the opening 301 is gradually magnified from the both sides of the opening 301 to the centre of the opening 301.
Illustratively, Fig. 3 A-3D show a kind of structural schematic diagram of nozzle according to the ... of the embodiment of the present invention.Wherein, scheme
3A is the enlarged drawing of the local I in Fig. 2A；Fig. 3 B are the sectional views of the local I I in Fig. 2 B；Fig. 3 C are from the angle P in Fig. 2 B
Observe the view of nozzle；Fig. 3 D are the views of the nozzle from the angle Q in Fig. 2 B.
As shown in figs. 3 a-3d, nozzle 30 includes column part and hemisphere portion, and opening 301 is from the top of nozzle 30
The side of nozzle 30 is extended to, α indicates to be formed the angle between two planes of opening 301, and β indicates the center line of opening 301
Angle between the center line of tube body 10.
Using the nozzle 30 in the realization method, being designed with for opening 301 is conducive under the cooperation of spinning movement, for
The covering treatment of bigger regional extent (for example, 360 degree) is preferably realized in affected part, for example, flushing is handled.
Optionally, in a kind of realization method of the present embodiment, the position of the close nozzle 30 of tube body 10 is provided with spiral
Portion 101, and it is covered with nappe 20, which can be described as seal flexible again.
The medical tube of different embodiment according to the subject invention is described in detail above in association with attached drawing.Art technology
Even personnel should be appreciated that the realization method in different embodiments can also be combined based on logical mode, this
Invention combines without being described in detail these, but this also falls in protection scope of the present invention.
【Embodiment 3】
The embodiment of the present invention 3 provides a kind of cavity rinser, the cavity rinser include medical tube and with the medical tube
The fluid treating device of fluid communication.It should be noted that those skilled in the art reasonably can incite somebody to action this according to actual needs
Inventive embodiments are applied in the different cavities of animal body, human body etc., such as applied to the nasal cavity of human body, the present embodiment is to cavity
It is not specifically limited.
In the present embodiment, the description in each embodiment above is please referred to about the explanation of the medical tube, herein no longer
It repeats.In the present embodiment, the fluid treating device is used to provide fluid to cavity via the medical tube and/or for inciting somebody to action
Fluid is sucked out via the medical tube, and the embodiment of the present invention is not limited the concrete structure of fluid treating device.
Illustratively, in an implementation of the embodiment of the present invention, medical tube is made of rigid material, rigid portion
It point is connect with fluid treating device, flexible portion is then formed with nozzle, and is provided on fluid treating device and makes the doctor
The rotating mechanism rotated with pipe (rotating mechanism is the prior art, is not repeated herein).Using the realization method, have following excellent
Point：
The integral strength of medical tube is high, and avoids nozzle and fall risk；Medical tube is suitable for the tissue by human body complexity
Structure is to by nozzle be sent to affected part, and medical tube can bear and transmit certain torque, to facilitate nozzle according to
It operates and rotates；If using bion material (for example, thermal compound film or heat shrinkable film) overlay film in the helical cut portion of tube body
Position, not only can guarantee conveying of the liquid in flexible steel pipe, moreover it is possible to ensure the flexibility at overlay film position.In addition, if using such as
The opening design that Fig. 3 A-3D are provided also helps the fluid covering that bigger regional extent is realized while rotating medical tube
Processing.
The term and wording used in description of the invention is just to for example, be not intended to constitute restriction.Ability
Field technique personnel should be appreciated that under the premise of not departing from the basic principle of disclosed embodiment, to the above embodiment
In each details can carry out various change.Therefore, the scope of the present invention is only determined by claim, in the claims, unless
It is otherwise noted, all terms should be understood by the broadest rational meaning.
Claims (10)
1. a kind of medical tube, which is characterized in that the medical tube includes：
Tube body, the tube wall of the tube body have at least one section along the axially extending spire of the tube body, also, the spire
With the thread pitch for penetrating the tube wall；
Nappe, the nappe cover and seal the spire of the tube body in flexibility.
2. medical tube as described in claim 1, which is characterized in that
The tube body is integrally formed；Or,
The tube body is formed by carrying out helical cut to integrally formed pipe.
3. medical tube as described in claim 1, which is characterized in that
The thread pitch is continuously distributed between the adjacent thread of the spire.
4. medical tube as claimed in any one of claims 1-3, which is characterized in that
The tube body includes rigid element and the flexible portion made of rigid material made of rigid material, the rigid portion
Divide and does not arrange that the spire, the flexible portion are disposed with the spire.
5. medical tube as claimed in claim 4, which is characterized in that
The nappe covers the flexible portion.
6. the medical tube as described in claim 1 or 5, which is characterized in that
The nappe is：Thermal compound film after heat treatment or heat shrinkable film.
7. medical tube as claimed in any one of claims 1-3, which is characterized in that
One end of the tube body is formed to have the nozzle of opening.
8. medical tube as claimed in claim 7, which is characterized in that the opening extends to the spray from the top of the nozzle
The side wall of head, and the opening is gradually magnified from the both sides of the opening to the centre of the opening.
9. medical tube as claimed in claim 7, which is characterized in that
The tube body is provided with the spire close to the position of the nozzle.
10. a kind of cavity rinser, which is characterized in that the cavity rinser includes：
Medical tube as claimed in any one of claims 1-9 wherein；
With the fluid treating device of the medical fluid communication, the fluid treating device is used for via the medical tube to chamber
Road provides fluid and/or for fluid to be sucked out via the medical tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214203.9A CN108514681A (en) | 2018-03-15 | 2018-03-15 | Medical tube and cavity rinser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214203.9A CN108514681A (en) | 2018-03-15 | 2018-03-15 | Medical tube and cavity rinser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108514681A true CN108514681A (en) | 2018-09-11 |
Family
ID=63433403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810214203.9A Pending CN108514681A (en) | 2018-03-15 | 2018-03-15 | Medical tube and cavity rinser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108514681A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331261A (en) * | 2018-11-27 | 2019-02-15 | 李秋 | A kind of deep negative pressure drainage flusher |
| CN112642041A (en) * | 2019-10-12 | 2021-04-13 | 天津瑞科美和激光工业有限公司 | Novel catheter with rigidity and flexibility and manufacturing method thereof |
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| US7708704B2 (en) * | 2006-07-31 | 2010-05-04 | Codman & Shurtleff, Pc | Interventional medical device component having an interrupted spiral section and method of making the same |
| CN203043092U (en) * | 2012-09-03 | 2013-07-10 | 邓成文 | Elbow type vaginal syringe |
| CN103826554A (en) * | 2011-08-24 | 2014-05-28 | 吉鲁斯恩特公司 | Surgical instrument with malleable tubing |
| CN104337491A (en) * | 2008-03-10 | 2015-02-11 | 弗迪美迪克斯外科医疗器材有限公司 | Instrument and method for making same |
| CN104602616A (en) * | 2012-05-13 | 2015-05-06 | 本迪特技术有限公司 | Steering tool |
| CN106178167A (en) * | 2016-08-08 | 2016-12-07 | 无锡市第二人民医院 | Irrigation of sinuses device |
| CN205913319U (en) * | 2016-06-08 | 2017-02-01 | 敦朴光电(东莞)有限公司 | Controllable endoscope pipe |
| CN209005012U (en) * | 2018-03-15 | 2019-06-21 | 美敦力公司 | Medical tube and cavity rinser |
-
2018
- 2018-03-15 CN CN201810214203.9A patent/CN108514681A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7708704B2 (en) * | 2006-07-31 | 2010-05-04 | Codman & Shurtleff, Pc | Interventional medical device component having an interrupted spiral section and method of making the same |
| CN104337491A (en) * | 2008-03-10 | 2015-02-11 | 弗迪美迪克斯外科医疗器材有限公司 | Instrument and method for making same |
| CN103826554A (en) * | 2011-08-24 | 2014-05-28 | 吉鲁斯恩特公司 | Surgical instrument with malleable tubing |
| CN104602616A (en) * | 2012-05-13 | 2015-05-06 | 本迪特技术有限公司 | Steering tool |
| CN203043092U (en) * | 2012-09-03 | 2013-07-10 | 邓成文 | Elbow type vaginal syringe |
| CN205913319U (en) * | 2016-06-08 | 2017-02-01 | 敦朴光电(东莞)有限公司 | Controllable endoscope pipe |
| CN106178167A (en) * | 2016-08-08 | 2016-12-07 | 无锡市第二人民医院 | Irrigation of sinuses device |
| CN209005012U (en) * | 2018-03-15 | 2019-06-21 | 美敦力公司 | Medical tube and cavity rinser |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109331261A (en) * | 2018-11-27 | 2019-02-15 | 李秋 | A kind of deep negative pressure drainage flusher |
| CN109331261B (en) * | 2018-11-27 | 2024-05-03 | 李秋 | Deep negative pressure drainage flusher |
| CN112642041A (en) * | 2019-10-12 | 2021-04-13 | 天津瑞科美和激光工业有限公司 | Novel catheter with rigidity and flexibility and manufacturing method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180911 |