CN108096689A - The adjustable medical operation sheath of caliber - Google Patents
The adjustable medical operation sheath of caliber Download PDFInfo
- Publication number
- CN108096689A CN108096689A CN201711309521.5A CN201711309521A CN108096689A CN 108096689 A CN108096689 A CN 108096689A CN 201711309521 A CN201711309521 A CN 201711309521A CN 108096689 A CN108096689 A CN 108096689A
- Authority
- CN
- China
- Prior art keywords
- sheath
- wall
- connection wall
- connection
- caliber
- 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.)
- Withdrawn
Links
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
Abstract
The present invention relates to a kind of adjustable medical operation sheath of caliber, 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:The adjustable medical operation sheath of caliber, 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, sheath is operated in first state, and both the first connection wall and the second connection wall keep opposite opening under the action of fixed structure, make tubular structure cylindrical;Sheath is operated in the second state, both the first connection wall and the second connection wall are opposite to be closed 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 a kind of pipes more particularly
The adjustable medical operation sheath in footpath.
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 adjustable medical operation sheath of caliber, and main purpose is to solve existing logical
Cross expansion and the diminution of air bag causes the technical issues of cumbersome, cost is higher to adjust the caliber of operation sheath.
In order to achieve the above objectives, present invention generally provides following technical solutions:
The embodiment of the present invention provides a kind of adjustable medical operation sheath of caliber, including bindiny mechanism, fixed structure
With the sheath wall in arc-shaped;
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, one end of the other end of first connection wall and the first sheath wall
Rotation connection, the other end of second connection wall and one end of the second sheath wall are rotatablely connected;
The adjustable medical operation sheath of caliber is in first state, first connection wall and second connection wall
The two keeps opposite opening under the action of the fixed structure, makes the tubular structure cylindrical;The caliber is adjusted
Medical operation sheath in the second state, both first connection wall and second connection wall are opposite to the tubular structure
Inside is closed;
Wherein, the side of one end of first connection wall is equipped with sliding slot, and the side of one end of second connection wall is set
Have and the corresponding card slot of the sliding slot;The fixed structure includes the sliding block for being slidedly arranged on the sliding slot;The caliber is adjusted
Medical operation sheath in first state, a part for the sliding block is slipped into via the sliding slot in the card slot.
By above-mentioned technical proposal, the adjustable medical operation sheath of caliber 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 the adjustable medical knot for operating sheath in first state of a kind of caliber that one embodiment of the invention provides
Structure schematic diagram;
Fig. 2 is structure diagram of the adjustable medical operation sheath of caliber in the second state in Fig. 1;
Fig. 3 is the adjustable medical operation sheath of another caliber of one embodiment of the invention offer in first state
Structure diagram;
Fig. 4 is structure diagram of the adjustable medical operation sheath of caliber 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 the adjustable medical behaviour of a kind of caliber using Tu6Zhong bindiny mechanisms that one embodiment of the invention provides
Make structure diagram of the sheath in first 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 the adjustable medical behaviour of a kind of caliber using Tu9Zhong bindiny mechanisms that one embodiment of the invention provides
Make structure diagram of the sheath in first state;
Figure 11 is the adjustable medical operation sheath of another caliber of one embodiment of the invention offer in first state
Structure diagram.
Reference numeral:1st, sheath wall;11st, the first sheath wall;12nd, the second sheath wall;100th, the adjustable medical operation sheath of caliber;2、
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, turn
Axis;4th, 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, the adjustable medical operation sheath 100 of a kind of caliber that one embodiment of the present of invention proposes,
It includes sheath wall 1, bindiny mechanism 2 and fixed structure.Sheath wall 1 is in arc-shaped.Sheath wall 1 is equal with the quantity of bindiny mechanism 2 and equal
For two or more.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 adjustable medical operation sheath 100 of caliber of the present invention has at least two states.As shown in Fig. 2, caliber is adjustable
For the medical operation sheath 100 of section in first state, both the first connection wall 21 and the second connection wall 22 are in the effect of fixed structure
Lower holding is opposite to open, and makes tubular structure cylindrical.As shown in Figure 1, the adjustable medical operation sheath 100 of caliber is in the second shape
During state, both the first connection wall 21 and the second connection wall 22 are opposite to be closed to tubular structure inside, makes caliber adjustable medical
Operate sheath 100 outer diameter reduce, so doctor is facilitated to put pipe or tube drawing in this second state, can mitigate patient pain and
Damage.
Wherein, Fig. 1 shows a kind of caliber adjustable medical operation sheath of tool there are two bindiny mechanism and two sheath walls
Structure diagram in first state;Fig. 2 is structure letter of the adjustable medical operation sheath of caliber in the second state in Fig. 1
Figure.Fig. 3 shows a kind of caliber adjustable medical operation sheath of tool there are four bindiny mechanism and four sheath walls in first state
When structure diagram;Fig. 4 is structure diagram of the adjustable medical operation sheath of caliber in the second state in Fig. 3.
Specifically in operation, both the first connection wall 21 and the second connection wall 22 are opposite is closed to tubular structure inside, makes
The adjustable medical operation sheath 100 of caliber is in the second state (as shown in Figure 2 and Figure 4), and doctor will manage in this second state
The adjustable medical operation sheath 100 in footpath is inserted in patient body;Then again by the first connection wall 21 and the second connection wall 22 it is opposite to
Outer opening makes tubular structure cylindrical, by caliber it is adjustable it is medical operation sheath 100 switch to first state (such as Fig. 1 and
Shown in Fig. 3), the inside of tubular structure forms operating walk way at this time, and scope can be via the operating walk way into patient body;
It is opposite to tubular structure inside closure after operation, then by the first connection wall 21 and the second connection wall 22, make caliber adjustable
The outer diameter of the medical operation sheath 100 of section reduces (as shown in Figure 2 and Figure 4), so as to easily by the adjustable medical behaviour of caliber
Make sheath 100 to take out from the patient, to mitigate tube drawing pain and damage caused by patient.
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 the adjustable medical operation sheath 100 of caliber when doctor operates
When switching to the second state from first state, finger or external tool can be used to the first connection wall 21 and the second connection wall 22
Junction applied force, to overcome the frictional resistance between the first connection wall 21 and the second connection wall 22, make the first connection wall 21
It is opposite with both the second connections to be closed to tubular structure inside, so as to form the adjustable medical operation sheath 100 of caliber
Second state.
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 adjustable medical operation sheath 100 of the caliber of the present invention is in first state, the part warp of sliding block 4
It is slipped 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 by sliding slot 212
In the card slot 213 of the second connection wall 22, and then sliding block 4 can make the first connection wall 21 and the second connection wall 22 be maintained at phase
To the state of opening.When sliding block 4 is all retracted out of card slot 213 in sliding slot 212, the first connection wall 21 and the second connection wall 22
The two opposite can be closed again to tubular structure inside, and the adjustable medical operation sheath 100 of caliber is made to be switched to from first state
Second 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, the adjustable medical behaviour of caliber can be improved
Make the efficiency that sheath 100 switches to first state or 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 adjustable medical operation sheath of caliber, which is characterized in that including bindiny mechanism (2), fixed structure and in circular arc
The sheath wall (1) of shape;
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, and described first connects
Connect the other end of wall (21) and one end of the first sheath wall (11) be rotatablely connected, the other end of second connection wall (22) with
One end rotation connection of the second sheath wall (12);
The adjustable medical operation sheath of caliber 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 caliber can
The medical operation sheath adjusted in the second state, both first connection wall (21) and described second connection wall (22) with respect to
It is closed inside the tubular structure;
Wherein, the side of one end of first connection wall (21) is equipped with sliding slot (212), one end of second connection wall (22)
Side be equipped with and the sliding slot (212) corresponding card slot (213);The fixed structure includes being slidedly arranged on the sliding slot
(212) sliding block (4);The adjustable medical operation sheath of the caliber in first state, the part of the sliding block (4) via
The sliding slot (212) is slipped into the card slot (213).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711309521.5A CN108096689A (en) | 2017-12-11 | 2017-12-11 | The adjustable medical operation sheath of caliber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711309521.5A CN108096689A (en) | 2017-12-11 | 2017-12-11 | The adjustable medical operation sheath of caliber |
Publications (1)
Publication Number | Publication Date |
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CN108096689A true CN108096689A (en) | 2018-06-01 |
Family
ID=62209578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711309521.5A Withdrawn CN108096689A (en) | 2017-12-11 | 2017-12-11 | The adjustable medical operation sheath of caliber |
Country Status (1)
Country | Link |
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CN (1) | CN108096689A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111419301A (en) * | 2020-04-30 | 2020-07-17 | 上海英诺伟医疗器械有限公司 | Sheath, surgical assembly and method of use |
CN113729798A (en) * | 2021-08-31 | 2021-12-03 | 重庆西山科技股份有限公司 | Operation device, composite operation channel and multi-degree-of-freedom positioning structure |
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US20040087968A1 (en) * | 2002-10-25 | 2004-05-06 | Nmt Medical, Inc. | Expandable sheath tubing |
CN104353177A (en) * | 2014-11-10 | 2015-02-18 | 中国人民解放军第三军医大学第二附属医院 | Medical operation sheath |
CN105877815A (en) * | 2016-05-26 | 2016-08-24 | 林新颖 | Diameter-adjustable skin extension device |
WO2017040774A1 (en) * | 2015-09-03 | 2017-03-09 | St. Jude Medical, Cardiology Division, Inc. | Introducer sheath having expandable portions |
CN206372160U (en) * | 2016-10-20 | 2017-08-04 | 杭州启明医疗器械有限公司 | A kind of local deformation expands formula catheter sheath and intervention apparatus conveying device |
CN107049438A (en) * | 2017-06-03 | 2017-08-18 | 成都五义医疗科技有限公司 | A kind of reducing casing tube device and puncture outfit |
-
2017
- 2017-12-11 CN CN201711309521.5A patent/CN108096689A/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040087968A1 (en) * | 2002-10-25 | 2004-05-06 | Nmt Medical, Inc. | Expandable sheath tubing |
CN104353177A (en) * | 2014-11-10 | 2015-02-18 | 中国人民解放军第三军医大学第二附属医院 | Medical operation sheath |
WO2017040774A1 (en) * | 2015-09-03 | 2017-03-09 | St. Jude Medical, Cardiology Division, Inc. | Introducer sheath having expandable portions |
CN105877815A (en) * | 2016-05-26 | 2016-08-24 | 林新颖 | Diameter-adjustable skin extension device |
CN206372160U (en) * | 2016-10-20 | 2017-08-04 | 杭州启明医疗器械有限公司 | A kind of local deformation expands formula catheter sheath and intervention apparatus conveying device |
CN107049438A (en) * | 2017-06-03 | 2017-08-18 | 成都五义医疗科技有限公司 | A kind of reducing casing tube device and puncture outfit |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111419301A (en) * | 2020-04-30 | 2020-07-17 | 上海英诺伟医疗器械有限公司 | Sheath, surgical assembly and method of use |
CN113729798A (en) * | 2021-08-31 | 2021-12-03 | 重庆西山科技股份有限公司 | Operation device, composite operation channel and multi-degree-of-freedom positioning structure |
CN113729798B (en) * | 2021-08-31 | 2023-01-10 | 重庆西山科技股份有限公司 | Operation device, composite operation channel and multi-degree-of-freedom positioning structure |
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SE01 | Entry into force of request for substantive examination | ||
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WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180601 |
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