CN108079425A - Endoscopic procedure sheath - Google Patents
Endoscopic procedure sheath Download PDFInfo
- Publication number
- CN108079425A CN108079425A CN201711308353.8A CN201711308353A CN108079425A CN 108079425 A CN108079425 A CN 108079425A CN 201711308353 A CN201711308353 A CN 201711308353A CN 108079425 A CN108079425 A CN 108079425A
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- Prior art keywords
- sheath
- wall
- connection wall
- connection
- endoscopic procedure
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
- A61B1/00135—Oversleeves mounted on the endoscope prior to insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
-
- 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
- A61M2025/0024—Expandable catheters or sheaths
-
- 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
- A61M2025/0025—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter having a collapsible lumen
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- Endoscopes (AREA)
Abstract
The present invention relates to a kind of endoscopic procedure sheath, it is related to medical instruments field, main purpose is to solve existing to cause the technical issues of cumbersome, cost is higher by the expansion and diminution of air bag to adjust the caliber of operation sheath.The technical solution mainly used for：Endoscopic procedure sheath, including bindiny mechanism, fixed structure and sheath wall；Both sheath wall and bindiny mechanism interlock successively and head and the tail connection forms tubular structure；Bindiny mechanism includes the first connection wall and the second connection wall；First connection wall is rotatablely connected with the second connection wall, and the first connection wall is rotatablely connected with the first sheath wall, and the second connection wall is rotatablely connected with the second sheath wall；Wherein, for endoscopic procedure sheath in first state, both the first connection wall and the second connection wall keep opposite opening under the action of fixed structure, make tubular structure cylindrical；In the second state, both the first connection wall and the second connection wall are opposite to be closed endoscopic procedure sheath to tubular structure inside.
Description
Technical field
The invention belongs to the field of medical instrument technology, are related to medical body cavity pipeline device for posting, are in one kind more particularly
Sight glass operates sheath.
Background technology
Endoscopic technic is clinically widely used, and has many advantages, such as damaging small, and post-operative recovery is fast.And before operation, often
Sufficiently large passage need to be established in advance by a kind of operation sheath, then operated in vivo by operating the cavity entrance inside sheath.
At present, the method for common Path Setup is outer expanding, i.e., inserts a thin seal wire first as guiding thing,
The fixed-size sheath of tube chamber is inserted further along this root seal wire, is then log out seal wire, passage structure is completed.There are following for this method
Deficiency：First, since sheath surrounds outside seal wire, when placing sheath along seal wire, sheath tube wall and tissue direct friction are held
Easily cause tissue damage；Second, sheath is relatively large in diameter, body cavities and tissue are significantly expanded by force, to pain caused by patient
It is bitter very big.
There are also existing by the expansion and diminution of air bag come adjust operation sheath caliber, with mitigate put pipe or tube drawing caused by
Pain and damage, however this kind of method be due to needing in use to airbag aeration set so as to need additionally to add inflation
It is standby, so not only operate cumbersome, but also cost is also higher.
The content of the invention
In view of this, the present invention provides a kind of endoscopic procedure sheath, and main purpose is to solve existing by the swollen of air bag
Caliber that is swollen and reducing to adjust operation sheath causes the technical issues of cumbersome, cost is higher.
In order to achieve the above objectives, present invention generally provides following technical solutions：
The embodiment of the present invention provides a kind of endoscopic procedure sheath, including bindiny mechanism, fixed structure and in arc-shaped
Sheath wall；
The quantity of the sheath wall and the bindiny mechanism is equal and is two or more；
Both the sheath wall and the bindiny mechanism interlock successively and head and the tail connection forms tubular structure；
The bindiny mechanism includes the first connection wall and second connection wall and is in both arc-shaped；The sheath wall
The first sheath wall including being located at bindiny mechanism one side and the second sheath wall positioned at bindiny mechanism's opposite side；First connection wall
One end and one end of second connection wall are rotatablely connected by shaft；The middle part of one end of first connection wall is equipped with recessed
Slot, the shaft are arranged on the opening of the groove；The middle part of one end of second connection wall is equipped with hook, the hook
The shaft is hooked, and can be rotated around the shaft；
One end of the other end of first connection wall and the first sheath wall is rotatablely connected, second connection wall it is another
One end and one end of the second sheath wall are rotatablely connected；
Wherein, the endoscopic procedure sheath is in first state, both first connection wall and second connection wall
It keeps opposite under the action of the fixed structure to open, makes the tubular structure cylindrical；The endoscopic procedure sheath exists
During the second state, both first connection wall and second connection wall are opposite to be closed to the inside of the tubular structure.
By above-mentioned technical proposal, endoscopic procedure sheath of the present invention at least has the advantages that：
In technical solution provided by the invention, because both first connection wall and the second connection wall of bindiny mechanism are opposite
It is closed to the inside of tubular structure or is opened relatively to the outside of tubular structure, you can change the caliber of operation sheath, put with mitigating
Pipe or tube drawing are to pain caused by patient and damage, and due to the charger without using air bag and to airbag aeration, from
And operating efficiency is higher, cost is relatively low.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate attached drawing be described in detail as after.
Description of the drawings
Fig. 1 is a kind of structure diagram of the endoscopic procedure sheath of one embodiment of the invention offer in first state；
Fig. 2 is structure diagram of the endoscopic procedure sheath in the second state in Fig. 1；
Fig. 3 is structure diagram of another endoscopic procedure sheath of one embodiment of the invention offer in first state；
Fig. 4 is structure diagram of the endoscopic procedure sheath in the second state in Fig. 3；
Fig. 5 is a kind of structure diagram of the first connection wall of bindiny mechanism that one embodiment of the invention provides；
Fig. 6 is both the first connection wall and the second connection wall of a kind of bindiny mechanism that one embodiment of the invention provides phases
Structure diagram during to opening；
Fig. 7 is a kind of endoscopic procedure sheath using Tu6Zhong bindiny mechanisms of one embodiment of the invention offer first
Structure diagram during state；
Fig. 8 is the structure diagram of the first connection wall of another bindiny mechanism that one embodiment of the invention provides；
Fig. 9 is both the first connection wall and second connection wall of another bindiny mechanism that one embodiment of the invention provides
Structure diagram during opposite opening；
Figure 10 is a kind of endoscopic procedure sheath using Tu9Zhong bindiny mechanisms of one embodiment of the invention offer first
Structure diagram during state；
Figure 11 is structural representation of another endoscopic procedure sheath of one embodiment of the invention offer in first state
Figure.
Reference numeral：1st, sheath wall；11st, the first sheath wall；12nd, the second sheath wall；100th, endoscopic procedure sheath；2nd, bindiny mechanism；
21st, the first connection wall；211st, groove；212nd, sliding slot；213rd, card slot；22nd, the second connection wall；221st, link up with；3rd, shaft；4th, it is sliding
Block；5th, groove is thinned；6th, thin-walled.
Specific embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Attached drawing and preferred embodiment to specific embodiment, structure, feature and its effect according to the present patent application, are described in detail such as
Afterwards.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment.It is in addition, one or more
Special characteristic, structure or feature in a embodiment can be combined by any suitable form.
As depicted in figs. 1 and 2, a kind of endoscopic procedure sheath 100 that one embodiment of the present of invention proposes, including sheath wall
1st, bindiny mechanism 2 and fixed structure.Sheath wall 1 is in arc-shaped.Sheath wall 1 it is equal with the quantity of bindiny mechanism 2 and be two with
On.Both sheath wall 1 and bindiny mechanism 2 interlock successively and head and the tail connection forms tubular structure.
As depicted in figs. 1 and 2, bindiny mechanism 2 includes the first connection wall 21 and the second connection wall 22.First connection wall, 21 He
Second connection wall 22 is in both arc-shaped.Sheath wall 1 is included positioned at the first sheath wall 11 of 2 one side of bindiny mechanism and positioned at connection machine
Second sheath wall 12 of 2 opposite side of structure.One end of first connection wall 21 and one end of the second connection wall 22 are rotatablely connected.First connection
One end of the other end of wall 21 and the first sheath wall 11 is rotatablely connected.One end of the other end of second connection wall 22 and the second sheath wall 12
Rotation connection.
The endoscopic procedure sheath 100 of the present invention has at least two states.As shown in Fig. 2, endoscopic procedure sheath 100 is
During one state, both the first connection wall 21 and the second connection wall 22 keep opposite under the action of fixed structure and open, and make tubulose
Structure is cylindrical.As shown in Figure 1, endoscopic procedure sheath 100 is in the second state, the first connection wall 21 and the second connection wall 22
The two is opposite to be closed to tubular structure inside, is reduced the outer diameter of endoscopic procedure sheath 100, is so facilitated in this second state
Doctor puts pipe or tube drawing, can mitigate pain and the damage of patient.
Wherein, Fig. 1 shows a kind of endoscopic procedure sheath of tool there are two bindiny mechanism and two sheath walls in first state
When structure diagram；Fig. 2 is structure diagram of the endoscopic procedure sheath in the second state in Fig. 1.Fig. 3 shows a kind of with four
Structure diagram of the endoscopic procedure sheath of a bindiny mechanism and four sheath walls in first state；Fig. 4 is endoscopic procedure in Fig. 3
Structure diagram of the sheath in the second state.
Specifically in operation, both the first connection wall 21 and the second connection wall 22 are opposite is closed to tubular structure inside, makes
Endoscopic procedure sheath 100 is in the second state (as shown in Figure 2 and Figure 4), and doctor is by endoscopic procedure sheath in this second state
100 insert in patient body；Then the first connection wall 21 and the second connection wall 22 are opened out against again, makes tubular structure in circle
Endoscopic procedure sheath 100 is switched to first state (as shown in figures 1 and 3) by tubulose, at this time the inside shape of tubular structure
Into operating walk way, scope can be via the operating walk way into patient body；After operation, then by 21 He of the first connection wall
Second connection wall 22 is opposite to tubular structure inside closure, and the outer diameter of endoscopic procedure sheath 100 is made to reduce (such as Fig. 2 and Fig. 4 institutes
Show), so as to which easily endoscopic procedure sheath 100 is taken out from the patient, with mitigate tube drawing caused by patient pain and
Damage.
In the technical solution of above-mentioned offer, due to the charger without using air bag and to airbag aeration, so as to grasp
It is higher to make efficiency, cost is relatively low.
One end of foregoing first connection wall 21 and one end of the second connection wall 22 can realize rotation connection by shaft 3,
Its structure is relatively simple, realizes more convenient.Preferably, as shown in figure 5, the middle part of one end of the first connection wall 21 can be equipped with
Groove 211, shaft 3 are arranged on the opening of groove 211.As shown in fig. 6, the middle part of one end of the second connection wall 22 is equipped with hook
221, hook 221 hooks shaft 3, and 3 can rotate around the shaft.
Further, foregoing shaft 3 can be integrally formed in the first connection wall 21, to improve the company of shaft 3 and first
Connect the connective stability of wall 21 between the two.
Likewise, hook 221 can also be integrally formed in the second connection wall 22, it is connected with improving hook 221 with second
Connective stability between wall 22.
In order to realize the function of foregoing fixed structure, make both the first connection wall 21 and the second connection wall 22 can be in fixation
It keeps opposite under the action of structure to open, in one example, the embodiment of the present invention also provides following technical solution：Such as figure
Shown in 6 and Fig. 7, both the first connection wall 21 and the second connection wall 22 can be made of elastic material.The medical behaviour of the present invention
It sells in first state, the end face of one end of the end face of one end of the first connection wall 21 and the second connection wall 22 offsets and two
Person contacts for face, to form foregoing fixed structure.In the technical program, end face and the second connection wall of the first connection wall 21
22 end face has frictional resistance between the two, and face contact between the two can increase the frictional resistance, to prevent first from connecting
It connects the opposite inside to tubular structure of both 21 and second connection walls of wall 22 to be closed, so that the first connection wall 21 and the second connection
Both walls 22 can keep the state of opposite opening.Terminate to need endoscopic procedure sheath 100 from first state when doctor operates
When switching to the second state, finger or external tool can be used to apply the junction of the first connection wall 21 and the second connection wall 22
Reinforcing to overcome the frictional resistance between the first connection wall 21 and the second connection wall 22, makes the first connection wall 21 and the second connection
The two is opposite to be closed to tubular structure inside, so as to form the second state of endoscopic procedure sheath 100.
Certainly, foregoing fixed structure can also use other technical solutions, such as in another example, such as Fig. 8 institutes
Show, the side of one end of foregoing first connection wall 21 can be equipped with sliding slot 212.As shown in figure 9, one end of the second connection wall 22
Side is equipped with and the 212 corresponding card slot 213 of sliding slot.Foregoing fixed structure includes the sliding block 4 for being slidedly arranged on sliding slot 212.Such as
Shown in Fig. 9 and Figure 10, when the endoscopic procedure sheath 100 of the present invention is in first state, a part for sliding block 4 is via sliding slot 212
It slips into card slot 213, is located at so as to a part for sliding block 4 in the sliding slot 212 of the first connection wall 21, another part is located at second and connects
It connects in the card slot 213 of wall 22, and then sliding block 4 can make the first connection wall 21 and the second connection wall 22 be maintained at the shape of opposite opening
State.When sliding block 4 is all retracted out of card slot 213 in sliding slot 212, both the first connection wall 21 and the second connection wall 22 again can be with
It is opposite to be closed to tubular structure inside, endoscopic procedure sheath 100 is made to switch to the second state from first state.
Further, foregoing sliding block 4 can have the operation portion of 21 side of the first connection wall of protrusion, user to be facilitated to lead to
The operation portion sliding slider 4 is crossed, and the first connection wall 21 can also be made by the operation portion to 21 applied force of the first connection wall
It is opposite with both the second connection walls 22 to open or be closed, the operation of user is facilitated, endoscopic procedure sheath 100 can be improved and switched
To first state or the efficiency of the second state.
Need exist for explanation be：The quantity of foregoing bindiny mechanism 2 can be even number, wherein, each bindiny mechanism 2 is two-by-two
It is symmetrical arranged, user to be facilitated to open or be closed symmetrical Liang Ge bindiny mechanisms 2.
Further, foregoing sliding slot 212 can have clamping portion, and the first sliding block 4 is connected in sliding slot 212, prevent
Only the first sliding block 4 is deviate from from the side of the first connection wall 21.Wherein, above-mentioned clamping portion can be with dovetail-shape shape, correspondingly, sliding
Slot 212 is dovetail groove.
Further, the opening size of foregoing card slot 213 can be more than sliding slot 212 opening size, with facilitate sliding block 4 from
Sliding slot 212 is slipped into card slot 213.
Further, as shown in Fig. 6 and Fig. 9, both the first foregoing connection wall 21 and the second connection wall 22 can be tool
There is mutually isostructural connection wall, to reduce number of parts, reduce processing cost.
Likewise, the structure of foregoing each sheath wall 1 can also be identical, to reach reduction number of parts, reduce processing cost
Technique effect.
In order to realize the technique effect of both foregoing first connection wall, 21 and first sheath wall 11 rotation connections, reality of the invention
It applies example and following technical solution is also provided：As shown in figure 11, the other end of the first foregoing connection wall 21 and the first sheath wall 11
Both one end can be an integral molding structure, and the junction of the two is equipped with and groove 5 is thinned, thin to be formed in the junction of the two
Wall 6 makes the other end of the first connection wall 21 and one end of the first sheath wall 11 be realized by the thin-walled 6 and is rotatablely connected.In this example
In, the connective stability of 11 the two of the first connection wall 21 and the first sheath wall is preferable.
In order to realize the technique effect of both foregoing second connection wall, 22 and second sheath wall 12 rotation connections, reality of the invention
It applies example and following technical solution is also provided：As shown in figure 11, one end two of the other end of the second connection wall 22 and the second sheath wall 12
Person can be an integral molding structure, and the junction of the two is equipped with and groove 5 is thinned, and to form thin-walled 6 in the junction of the two, makes
It is realized and is rotatablely connected by thin-walled 6 in one end of the other end of second connection wall 22 and the second sheath wall 12.In this example, second connects
The connective stability for connecing both 22 and second sheath walls of wall 12 is preferable.
Need exist for explanation be：In the case where there is no conflict, those skilled in the art can incite somebody to action according to actual conditions
Relevant technical characteristic is mutually combined in above-mentioned each example, to reach corresponding technique effect, particularly for various combined situations
It does not repeat one by one herein.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, according to
According to any simple modification, equivalent change and modification that the technical spirit of the present invention makees above example, this hair is still fallen within
In the range of bright technical solution.
Claims (1)
1. a kind of endoscopic procedure sheath, which is characterized in that including bindiny mechanism (2), fixed structure and the sheath wall in arc-shaped
(1)；
The quantity of the sheath wall (1) and the bindiny mechanism (2) is equal and is two or more；
Both the sheath wall (1) and the bindiny mechanism (2) are interlocked successively and head and the tail connection forms tubular structure；
The bindiny mechanism (2) includes the first connection wall (21) and second connection wall (22) and is in both arc-shaped；Institute
Stating sheath wall (1) includes the first sheath wall (11) positioned at bindiny mechanism (2) one side and the second sheath positioned at bindiny mechanism (2) opposite side
Wall (12)；One end of first connection wall (21) and one end of second connection wall (22) are rotatablely connected by shaft (3)；
The middle part of one end of first connection wall (21) is equipped with groove (211), and the shaft (3) is arranged on the groove (211)
Opening；The middle part of one end of second connection wall (22) is equipped with hook (221), and the hook (221) hooks the shaft
(3), and can be rotated around the shaft (3)；
The other end of first connection wall (21) and one end of the first sheath wall (11) are rotatablely connected, second connection wall
(22) the other end and one end of the second sheath wall (12) are rotatablely connected；
Wherein, the endoscopic procedure sheath is in first state, first connection wall (21) and second connection wall (22)
The two keeps opposite opening under the action of the fixed structure, makes the tubular structure cylindrical；The endoscopic procedure
For sheath in the second state, both first connection wall (21) and second connection wall (22) are opposite into the tubular structure
Portion is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308353.8A CN108079425A (en) | 2017-12-11 | 2017-12-11 | Endoscopic procedure sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308353.8A CN108079425A (en) | 2017-12-11 | 2017-12-11 | Endoscopic procedure sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108079425A true CN108079425A (en) | 2018-05-29 |
Family
ID=62174802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711308353.8A Withdrawn CN108079425A (en) | 2017-12-11 | 2017-12-11 | Endoscopic procedure sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108079425A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5997508A (en) * | 1996-03-28 | 1999-12-07 | Medtronic, Inc. | Expandable percutaneous introducer sheath |
| CN101628143A (en) * | 2009-08-07 | 2010-01-20 | 中国人民解放军第三军医大学第一附属医院 | Intervention device with adjustable diameter |
| US7766820B2 (en) * | 2002-10-25 | 2010-08-03 | Nmt Medical, Inc. | Expandable sheath tubing |
| US20160192923A1 (en) * | 2014-02-27 | 2016-07-07 | Gyrus Acmi, Inc. | Expandable Medical Access Sheath |
| CN107019486A (en) * | 2017-03-20 | 2017-08-08 | 宁波市北仑区人民医院 | Specula in a kind of multidirectional expansion |
-
2017
- 2017-12-11 CN CN201711308353.8A patent/CN108079425A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5997508A (en) * | 1996-03-28 | 1999-12-07 | Medtronic, Inc. | Expandable percutaneous introducer sheath |
| US7766820B2 (en) * | 2002-10-25 | 2010-08-03 | Nmt Medical, Inc. | Expandable sheath tubing |
| CN101628143A (en) * | 2009-08-07 | 2010-01-20 | 中国人民解放军第三军医大学第一附属医院 | Intervention device with adjustable diameter |
| US20160192923A1 (en) * | 2014-02-27 | 2016-07-07 | Gyrus Acmi, Inc. | Expandable Medical Access Sheath |
| CN107019486A (en) * | 2017-03-20 | 2017-08-08 | 宁波市北仑区人民医院 | Specula in a kind of multidirectional expansion |
Non-Patent Citations (1)
| Title |
|---|
| 袁园、朱晓敏: "《家具结构设计与制造工艺,ISBN978-7-5680-2003-9》", 31 August 2016, 武汉：华中科技大学出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180529 |