CN108057165A - The medical operation sheath of controllable type - Google Patents
The medical operation sheath of controllable type Download PDFInfo
- Publication number
- CN108057165A CN108057165A CN201711309250.3A CN201711309250A CN108057165A CN 108057165 A CN108057165 A CN 108057165A CN 201711309250 A CN201711309250 A CN 201711309250A CN 108057165 A CN108057165 A CN 108057165A
- Authority
- CN
- China
- Prior art keywords
- sheath
- wall
- connection wall
- connection
- bindiny mechanism
- 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.)
- Pending
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
- 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
Abstract
The present invention relates to a kind of medical operation sheath of controllable type, 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 medical operation sheath of controllable type, 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 that one kind can more particularly
The medical operation sheath of controlling type.
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 medical operation sheath of controllable type, and main purpose is to solve existing to pass through gas
The expansion and diminution of capsule cause 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 medical operation sheath of controllable type, including bindiny mechanism, fixed structure and is in
The sheath wall of 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 by shaft, and the shaft is integrally formed in first connection wall
On；The other end of first connection wall and one end of the first sheath wall are rotatablely connected, the other end of second connection wall
It is rotatablely connected with one end of the second sheath wall；
The medical operation sheath of controllable type 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 medical behaviour of controllable type
Make sheath in the second state, both first connection wall and second connection wall are opposite to close to the inside of the tubular structure
It closes；
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 opening size of the card slot is more than the opening size of the sliding slot；The fixed knot
Structure includes the sliding block for being slidedly arranged on the sliding slot；The medical operation sheath of controllable type is in first state, one of the sliding block
Lease making is slipped by the sliding slot in the card slot.
By above-mentioned technical proposal, the medical operation sheath of controllable type 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 medical structure letter for operating sheath in first state of a kind of controllable type that one embodiment of the invention provides
Figure；
Fig. 2 is structure diagram of the medical operation sheath of controllable type in the second state in Fig. 1；
Fig. 3 is the medical structure for operating sheath in first state of another controllable type that one embodiment of the invention provides
Schematic diagram；
Fig. 4 is structure diagram of the medical operation sheath of controllable type 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 medical operation sheath of a kind of controllable type using Tu6Zhong bindiny mechanisms that one embodiment of the invention provides
Structure diagram 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 medical operation sheath of a kind of controllable type using Tu9Zhong bindiny mechanisms that one embodiment of the invention provides
Structure diagram in first state；
Figure 11 is the medical knot for operating sheath in first state of another controllable type that one embodiment of the invention provides
Structure schematic diagram.
Reference numeral：1st, sheath wall；11st, the first sheath wall；12nd, the second sheath wall；100th, the medical operation sheath of controllable type；2nd, connect
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, 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 medical operation sheath 100 of a kind of controllable type that one embodiment of the present of invention proposes, bag
Include 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 is two
More than a.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 medical operation sheath 100 of controllable type of the present invention has at least two states.As shown in Fig. 2, controllable type is medical
Sheath 100 is operated in first state, both the first connection wall 21 and the second connection wall 22 keep phase under the action of fixed structure
To opening, make tubular structure cylindrical.As shown in Figure 1, the medical operation sheath 100 of controllable type, in the second state, first connects
It is opposite to tubular structure inside closure to connect both 21 and second connection walls of wall 22, makes the medical outer diameter for operating sheath 100 of controllable type
Reduce, so doctor is facilitated to put pipe or tube drawing in this second state, pain and the damage of patient can be mitigated.
Wherein, Fig. 1 shows a kind of controllable type medical operation sheath of tool there are two bindiny mechanism and two sheath walls the
Structure diagram during one state；Fig. 2 is structure diagram of the medical operation sheath of controllable type in the second state in Fig. 1.Fig. 3 is shown
There are four structure diagram of the medical operation sheath of controllable type in first state of bindiny mechanism and four sheath walls for a kind of tool；Figure
4 be structure diagram of the medical operation sheath of controllable type 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 medical operation sheath 100 of controllable type is in the second state (as shown in Figure 2 and Figure 4), and doctor will be controllable in this second state
The medical operation sheath 100 of formula is inserted in patient body；Then the first connection wall 21 and the second connection wall 22 are opened out against again, made
Tubular structure is cylindrical, and the medical operation sheath 100 of controllable type is switched to first state (as shown in figures 1 and 3), this
When tubular structure inside form operating walk way, scope can be via the operating walk way into patient body；After operation,
It is again that the first connection wall 21 and the second connection wall 22 is opposite to tubular structure inside closure, make the medical operation sheath 100 of controllable type
Outer diameter reduce (as shown in Figure 2 and Figure 4), so as to easily by controllable type it is medical operation sheath 100 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 by the medical operation sheath 100 of controllable type from the when doctor operates
When one state switches to the second state, the company of finger or external tool to the first connection wall 21 and the second connection wall 22 can be used
Place's applied force is connect, to overcome the frictional resistance between the first connection wall 21 and the second connection wall 22, makes the first connection wall 21 and
Both two connections are opposite to be closed to tubular structure inside, so as to form the second state of the medical operation sheath 100 of controllable type.
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 medical operation sheath 100 of the controllable type of the present invention is in first state, a part for sliding block 4 is via cunning
Slot 212 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 is located at
In the card slot 213 of 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 opposite
The state opened.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
It opposite can be closed again to tubular structure inside, the medical operation sheath 100 of controllable type 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, the medical operation sheath of controllable type can be improved
100 switch to the efficiency of 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 medical operation sheath of controllable type, which is characterized in that including bindiny mechanism (2), fixed structure and in arc-shaped
Sheath wall (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 shaft (3) is integrally formed on first connection wall (21)；The other end of first connection wall (21) and described the
One end rotation connection of one sheath wall (11), the other end of second connection wall (22) and one end of the second sheath wall (12) turn
Dynamic connection；
The medical operation sheath of controllable type 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 controllable type doctor
With operation sheath in the second state, both first connection wall (21) and second connection wall (22) are opposite to the tubulose
Inside configuration is closed；
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 opening size of the card slot (213) is more than the cunning
The opening size of slot (212)；The fixed structure includes the sliding block (4) for being slidedly arranged on the sliding slot (212)；The controllable type doctor
With operation sheath in first state, a part for the sliding block (4) is slipped into via the sliding slot (212) in the card slot (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309250.3A CN108057165A (en) | 2017-12-11 | 2017-12-11 | The medical operation sheath of controllable type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309250.3A CN108057165A (en) | 2017-12-11 | 2017-12-11 | The medical operation sheath of controllable type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108057165A true CN108057165A (en) | 2018-05-22 |
Family
ID=62136420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711309250.3A Pending CN108057165A (en) | 2017-12-11 | 2017-12-11 | The medical operation sheath of controllable type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108057165A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040087968A1 (en) * | 2002-10-25 | 2004-05-06 | Nmt Medical, Inc. | Expandable sheath tubing |
| CN104771222A (en) * | 2015-03-17 | 2015-07-15 | 绍兴第二医院 | Neuroendoscopic sheath manufacturing method and neuroendoscopic sheath |
| CN105476670A (en) * | 2016-01-20 | 2016-04-13 | 中国人民解放军第三军医大学第二附属医院 | Sheathing canal with adjustable canal diameter |
| WO2016118789A1 (en) * | 2015-01-22 | 2016-07-28 | Boston Scientific Scimed, Inc. | Fully compliant large bore expandable sheath |
| CN205698049U (en) * | 2016-05-20 | 2016-11-23 | 北京大学第三医院 | A kind of femoral myelocavity file access road adjustable protective cover cylinder |
-
2017
- 2017-12-11 CN CN201711309250.3A patent/CN108057165A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040087968A1 (en) * | 2002-10-25 | 2004-05-06 | Nmt Medical, Inc. | Expandable sheath tubing |
| WO2016118789A1 (en) * | 2015-01-22 | 2016-07-28 | Boston Scientific Scimed, Inc. | Fully compliant large bore expandable sheath |
| CN104771222A (en) * | 2015-03-17 | 2015-07-15 | 绍兴第二医院 | Neuroendoscopic sheath manufacturing method and neuroendoscopic sheath |
| CN105476670A (en) * | 2016-01-20 | 2016-04-13 | 中国人民解放军第三军医大学第二附属医院 | Sheathing canal with adjustable canal diameter |
| CN205698049U (en) * | 2016-05-20 | 2016-11-23 | 北京大学第三医院 | A kind of femoral myelocavity file access road adjustable protective cover cylinder |
Non-Patent Citations (1)
| Title |
|---|
| 朱晓敏: "《家具结构设计与制造工艺》", 31 August 2016, 华中科技大学出版社 * |
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Application publication date: 20180522 |
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