CN113332564B - Bending control identification device - Google Patents
Bending control identification device Download PDFInfo
- Publication number
- CN113332564B CN113332564B CN202110559446.8A CN202110559446A CN113332564B CN 113332564 B CN113332564 B CN 113332564B CN 202110559446 A CN202110559446 A CN 202110559446A CN 113332564 B CN113332564 B CN 113332564B
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- CN
- China
- Prior art keywords
- mandrel
- identification
- bending control
- sheath
- driving
- 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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
- A61M25/0133—Tip steering devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0807—Indication means
Abstract
The application provides a accuse curved identification means, it is main including the dabber, the flexible structure, the accuse curved structure, the identification structure, wherein, the accuse curved structure is located the dabber and is connected the flexible structure, the identification structure is located the dabber and is connected the accuse curved structure, the accuse curved structure can actuate for dabber circumferential direction, produce the bending deformation of different degrees with the control flexible structure, the identification structure can actuate along with the rotation of the curved structure of accuse and produce the linkage, with the crooked identification information of the accuse that shows the bending degree corresponding to the sheath pipe, therefore, but the bending degree of this application accurate sign sheath pipe, so that the doctor accurately judges the position of sheath pipe, thereby do benefit to the smooth execution of intervention operation.
Description
Technical Field
The embodiment of the application relates to the technical field of medical instruments, in particular to a bending control identification device.
Background
In the interventional operation, in order to enable the sheath to reach the target operation position, the sheath bending control function is almost necessary, the bending degree of the sheath is visually displayed, and a doctor can conveniently judge the position of the catheter, so that the smooth execution of the operation is facilitated.
Furthermore, the requirements for the size of the interventional surgical instrument are particularly stringent. In view of the above, how to clearly display the bending degree of the sheath without adding extra components is the technical problem to be solved by the present application.
Disclosure of Invention
In view of the above problem, the application provides a accuse curved identification means, not only can control the sheath and produce the bending deformation of different degrees to can the current crooked degree of accurate sign sheath.
The application provides a accuse curved identification means, it includes: a mandrel; a sheath connectable to the mandrel and extending in an axial direction of the mandrel; the bending control structure is arranged on the mandrel and connected with the sheath tube; the identification structure is arranged on the mandrel and connected with the bending control structure; the bending control structure can rotate and actuate relative to the mandrel in the circumferential direction so as to control the sheath to generate bending deformation with different degrees, and the identification structure can be linked with the rotation actuation of the bending control structure so as to display bending control identification information corresponding to the bending degree of the sheath.
Optionally, the sheath comprises a proximal end and a distal end opposite the proximal end; wherein, the near end is connected with the mandrel, and the far end is connected with the bending control structure.
Optionally, the bending control structure comprises: the driving piece is arranged on the mandrel in a penetrating mode and can rotate relative to the mandrel in the circumferential direction under the action of external force; a sliding member connected with the driving member; a connector extending along the axis of the sheath, wherein two opposite ends of the connector are respectively connected with the sliding member and the distal end of the sheath; when the driving piece rotates relative to the mandrel in the circumferential direction, the sliding piece can be driven to move towards the direction close to or far away from the sheath tube relative to the axial direction of the mandrel; wherein the distal end is caused to flex via the connector when the glide is moved axially away from the sheath.
Optionally, the driving member has an accommodating space, the sliding member is disposed in the accommodating space, and an outer side wall of the sliding member is in threaded connection with an inner side wall of the accommodating space.
Optionally, the driving part comprises a driving pipe and a linkage pipe which are arranged on the mandrel in a penetrating manner, and the driving pipe and the linkage pipe are circumferentially fixed; when the driving pipe rotates relative to the mandrel in the circumferential direction, the linkage pipe can be driven to rotate relative to the mandrel in a linkage mode.
Optionally, the bending control structure further includes a first circumferential positioning portion and a second circumferential positioning portion respectively disposed on the inner sidewall of the driving pipe and the outer sidewall of the linkage pipe; wherein one of the first and second circumferential positioning portions includes a groove, and the other of the first and second circumferential positioning portions includes a rib.
Optionally, the identification structure comprises: the identification piece is connected with the driving piece and is provided with a bending control identification area, and the bending control identification area comprises a plurality of pieces of bending control identification information which are distributed along the axial direction of the identification piece and have preset lengths; the display piece is fixedly arranged on the mandrel and is provided with a display window which covers the preset length of the bending control identification area; when the driving piece rotates circumferentially relative to the mandrel, the marking piece can be driven to move axially relative to the mandrel in a direction close to or away from the display piece, so that a display window covers different parts in the bending control marking area, and different bending control marking information on the bending control marking area is displayed.
Optionally, the identification piece with the mutual spiro union of driving piece, for the identification piece for driving piece peripheral rotation and axial displacement, just the identification piece with the mutual joint of display piece, for the supply the identification piece for display piece peripheral fixation and axial displacement.
Optionally, the display part includes a card slot adapted to the width of the identification part, and the card slot is used for clamping the identification part with the display part.
Optionally, the identification member is sheet-like.
According to the technical scheme, the bending control identification device can accurately identify the current bending degree of the sheath so as to facilitate a doctor to judge the position of the sheath, thereby being beneficial to smooth execution of an operation.
Moreover, the curved identification means of accuse of this application has simple structure, small advantage.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic view of the overall structure of the bending control marking device.
Fig. 2 is a partially enlarged schematic view of the bending control marking device of the present application.
Fig. 3 to 6 are schematic structural diagrams of components of the bending control marking device according to the present application.
Element number
10: a bend-controlling identification device;
20: a mandrel;
30: a sheath tube;
32: a proximal end;
34: a distal end;
40: a bending control structure;
42: a drive member;
420: an accommodating space;
422: a drive tube;
424: a linkage pipe;
426: a first circumferential positioning section;
428: a second circumferential positioning portion;
429: an annular groove;
430: a second screw connection portion;
44: a sliding member;
46: a connecting member;
50: identifying a structure;
52: an identification member;
522: a bend control identification area;
524: a first screw connection portion;
54: a display member;
542: displaying a window;
544: a clamping groove.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of the protection of the embodiments in the present application.
The following further describes specific implementations of embodiments of the present application with reference to the drawings of the embodiments of the present application.
Referring to fig. 1, a bending control marking device 10 of the present embodiment mainly includes a mandrel 20, a sheath 30, a bending control structure 40, and a marking structure 50.
The sheath 30 may be connected to an end of the mandrel 20 and extend in an axial direction of the mandrel 20.
Optionally, the opposite ends of the sheath 30 may include a proximal end 32 and a distal end 34, wherein the proximal end 32 of the sheath 30 may be connected to the end of the mandrel 20 and the distal end 34 of the sheath 30 is a free end that may be bent to varying degrees.
The bending control structure 40 is disposed on the mandrel 20 and connected to the sheath 30, wherein the bending control structure 40 can rotate circumferentially relative to the mandrel 20 to control the sheath 30 to generate different degrees of bending deformation.
In this embodiment, the bend-controlling structure 40 may be connected to the distal end 34 of the sheath 30.
Specifically, the bend-controlling structure 40 may include a drive member 42, a glide member 44, and a connector member 46.
The driving member 42 can be disposed on the mandrel 20 and can rotate (axially fixed) relative to the mandrel 20 under the action of an external force.
The sliding member 44 may be connected to the driving member 42, wherein when the driving member 42 rotates circumferentially relative to the mandrel 20, the sliding member 44 is driven to move toward or away from the sheath 30 relative to the axial direction of the mandrel 20.
Optionally, the driving member 42 has an accommodating space 420 therein, and the sliding member 44 may be disposed in the accommodating space 420, wherein an outer sidewall of the sliding member 44 and an inner sidewall of the accommodating space 420 may be screwed to each other, so that when the driving member 42 rotates circumferentially relative to the mandrel 20, the sliding member 44 is driven to move axially relative to the mandrel 20.
Alternatively, the driving member 42 may include a driving tube 422 and a linking tube 424 disposed on the mandrel 20, and the driving tube 422 and the linking tube 424 are circumferentially fixed, so that when the driving tube 422 rotates circumferentially relative to the mandrel 20, the linking tube 424 is driven to rotate in a linking manner relative to the mandrel 20.
Optionally, the bend-controlling structure 40 may include first and second circumferential positioning portions 426, 428 (shown in fig. 3 and 4) disposed on the inner sidewall of the drive tube 422 and the outer sidewall of the linkage tube 424, respectively.
In this embodiment, first circumferential positioning portion 426 may comprise at least one groove circumferentially distributed on the inside wall of drive tube 422, and second circumferential positioning portion 428 may comprise at least one rib circumferentially distributed on the outside wall of linkage tube 424 to provide circumferential positioning of linkage tube 424 relative to drive tube 422.
Optionally, an annular groove 429 is provided in the outer sidewall of coupling tube 424 and correspondingly an annular collar (not shown) is provided in the inner sidewall of drive tube 422 to provide axial positioning of coupling tube 424 relative to drive tube 422.
The connector 46 may extend along the axial center of the sheath 30, and opposite ends of the connector 46 may be connected to the sliding member 44 and the distal end 34 of the sheath 30, respectively.
Alternatively, the connector 46 may comprise a wire, which may be disposed on the sheath 30 along the axial direction of the sheath 30, for example, the wire may be movably disposed through the inside of the sheath 30 along the axial direction of the sheath 30 and fixedly connected with the distal end 34 of the sheath 30.
In the present embodiment, when the driving member 42 rotates circumferentially relative to the core shaft 20 to drive the sliding member 44 to move axially away from the sheath 30, the distal end 34 can be caused to bend and deform via the connecting member 46.
Specifically, when the slide 44 moves axially in a direction away from the sheath 30 in response to the rotation of the driving member 42, the distance between the slide 44 and the distal end 34 of the sheath 30 increases, causing the connecting member 46 (wire) to be pulled tight, and in this state, the distal end 34 of the sheath 30 can be deformed to be bent to different degrees according to the distance between the slide 44 and the distal end 34 of the sheath 30, for example, the bending deformation degree of the distal end 34 of the sheath 30 is larger when the distance between the slide 44 and the distal end 34 of the sheath 30 is larger, and conversely, the bending deformation degree of the distal end 34 of the sheath 30 is smaller (i.e., tends to be flatter) when the distance between the slide 44 and the distal end 34 of the sheath 30 is smaller.
The identification structure 50 is disposed on the mandrel 20 and connected to the bend-controlling structure 40. The indication structure 50 can be linked with the circumferential rotation of the bending control structure 40 relative to the mandrel 20 to display the bending control indication information corresponding to the bending degree of the sheath 30.
Optionally, the logo structure 50 may include a logo 52 and a display 54 (see FIG. 2).
The indicator 52 is connected to the driving member 42 of the bending control structure 40, and has a bending control indicator area 522 (see fig. 5), where the bending control indicator area 522 includes a plurality of bending control indicator information distributed along the axial direction of the indicator 52, and the preset lengths of the bending control indicator information are equal, so that different bending degrees of the sheath 30 (the distal end 34) can be reflected by different bending control indicator information.
In the embodiment shown in fig. 5, each bending control identification information is a numerical value, but not limited thereto, and english letters, arabic letters or other similar symbols may be used as the bending control identification information of the present application.
In the embodiment, the indicator 52 is a sheet-like structure, and the bending control indicator region 522 can be disposed on the top surface of the indicator 52.
Furthermore, a first threaded portion 524 is disposed on the other side of the indicator 52 relative to the bending control indicator region 522, and an annular second threaded portion 430 is disposed on the outer sidewall of the driving member 42 (e.g., the linkage tube 424), so as to provide for the threaded connection between the indicator 52 and the driving member 42, so that the indicator 52 can rotate circumferentially and move axially relative to the driving member 42.
The display 54 is fixed on the mandrel 20 and has a display window 542 with a preset length covering the bending control mark area 522, so as to display different bending control mark information in the bending control mark area 522 through the display window 542.
In the present embodiment, the indicator 52 and the display 54 are clamped to each other, so that the indicator 52 can be circumferentially fixed and axially moved relative to the display 54.
Specifically, the display 54 further includes a slot 544 adapted to the width of the identification member 52 for the display 54 to be engaged therein.
In this embodiment, when the driving element 42 (the link 424) rotates circumferentially relative to the mandrel 20, since the indicator 52 cannot rotate circumferentially synchronously with the driving element 42 relative to the mandrel 20 under the limitation of the display element 54, the indicator 52 moves axially relative to the mandrel 20 in a direction approaching or separating from the display element 54, so that the display window 542 on the display element 54 covers different preset length portions of the bending control indicator area 522 of the indicator 52, and thus different bending control indicator information in the bending control indicator area 522 is displayed. Since the specific bending control indication information currently covered by the display window 542 may correspond to the actual number of rotations of the driving member 42 relative to the mandrel 20, and the actual number of rotations of the driving member 42 relative to the mandrel 20 also directly determines the bending deformation degree of the sheath 30, the current bending deformation degree of the sheath 30 may be identified by the bending control indication information currently displayed on the bending control indication region 522.
To sum up, the curved identification means of accuse of this application can be under the prerequisite that does not increase extra spare part, the current crooked degree of accurate sign sheath pipe to make things convenient for the doctor to know the current of sheath pipe the position, in order to do benefit to the smooth execution of intervention operation, and have simple structure, small in size's advantage.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (9)
1. A bending control identification device is characterized by comprising:
a mandrel;
a sheath connectable to the mandrel and extending in an axial direction of the mandrel;
accuse curved structure, it is located on the dabber and connect the sheath pipe, accuse curved structure includes:
the driving piece is arranged on the mandrel in a penetrating mode and can rotate relative to the mandrel in the circumferential direction under the action of external force; and
the sign structure, it is located on the dabber and connect the curved structure of accuse, the sign structure includes:
the identification piece is connected with the driving piece and is provided with a bending control identification area, and the bending control identification area comprises a plurality of pieces of bending control identification information which are distributed along the axial direction of the identification piece and have preset lengths; and
the display piece is fixedly arranged on the mandrel and is provided with a display window which covers the preset length of the bending control identification area;
the bending control structure can rotate and actuate in the circumferential direction relative to the mandrel so as to control the sheath to generate bending deformation with different degrees, and the identification structure can be linked with the rotation actuation of the bending control structure so as to display bending control identification information corresponding to the bending degree of the sheath;
when the driving piece rotates circumferentially relative to the mandrel, the marking piece can be driven to move axially relative to the mandrel in a direction close to or away from the display piece, so that the display window covers different parts in the bending control marking area, and different bending control marking information on the bending control marking area is displayed.
2. The bend-controlling identification device of claim 1, wherein the sheath comprises a proximal end and a distal end opposite the proximal end;
wherein, the near end is connected with the mandrel, and the far end is connected with the bending control structure.
3. The bend-controlling identification device of claim 2, wherein the bend-controlling structure comprises:
a sliding member connected with the driving member;
a connector extending along the axis of the sheath, wherein two opposite ends of the connector are respectively connected with the sliding member and the distal end of the sheath;
when the driving piece rotates relative to the mandrel in the circumferential direction, the sliding piece can be driven to move towards the direction close to or far away from the sheath tube relative to the axial direction of the mandrel;
wherein the distal end is urged to flex via the connector when the glide is moved axially away from the sheath.
4. The bending control identification device according to claim 3, wherein the driving member has an accommodating space, the sliding member is disposed in the accommodating space, and an outer side wall of the sliding member is in threaded connection with an inner side wall of the accommodating space.
5. The bend-controlling identification device according to claim 3, wherein the driving member comprises a driving tube and a linkage tube, which are arranged on the mandrel in a penetrating manner, and the driving tube and the linkage tube are circumferentially fixed;
when the driving pipe rotates relative to the mandrel in the circumferential direction, the linkage pipe can be driven to rotate relative to the mandrel in a linkage mode.
6. The bending control identification device of claim 5, wherein the bending control structure further comprises a first circumferential positioning part and a second circumferential positioning part which are respectively arranged on the inner side wall of the driving pipe and the outer side wall of the linkage pipe;
wherein one of the first and second circumferential positioning portions includes a groove, and the other of the first and second circumferential positioning portions includes a rib.
7. The bend-controlling identification device according to claim 1, wherein the identification member is in threaded engagement with the driving member to allow the identification member to rotate circumferentially and move axially relative to the driving member, and the identification member is in snap engagement with the display member to allow the identification member to be fixed circumferentially and move axially relative to the display member.
8. The bend-controlling identification device according to claim 7, wherein the display member comprises a slot adapted to the width of the identification member for allowing the display member to be engaged with the identification member.
9. The bend-controlling marking device of claim 7, wherein the marking member is sheet-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559446.8A CN113332564B (en) | 2021-05-21 | 2021-05-21 | Bending control identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559446.8A CN113332564B (en) | 2021-05-21 | 2021-05-21 | Bending control identification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113332564A CN113332564A (en) | 2021-09-03 |
| CN113332564B true CN113332564B (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110559446.8A Active CN113332564B (en) | 2021-05-21 | 2021-05-21 | Bending control identification device |
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| CN (1) | CN113332564B (en) |
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| CN108348268A (en) * | 2015-10-30 | 2018-07-31 | 阿克拉伦特公司 | Equipment for making the extending guiding piece of surgical instruments be bent |
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| CA3003166A1 (en) * | 2015-11-25 | 2017-06-01 | Merit Medical Systems, Inc. | Steerable sheath catheter and methods of use |
| CN210673408U (en) * | 2018-01-03 | 2020-06-05 | 杭州启明医疗器械股份有限公司 | Bending-adjustable sheath tube and bending-adjustable intervention valve conveying system |
| CN210408508U (en) * | 2019-04-11 | 2020-04-28 | 杭州唯强医疗科技有限公司 | Adjustable bending device for sheath tube |
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| CN108348268A (en) * | 2015-10-30 | 2018-07-31 | 阿克拉伦特公司 | Equipment for making the extending guiding piece of surgical instruments be bent |
| CN106730246A (en) * | 2017-01-16 | 2017-05-31 | 杭州唯强医疗科技有限公司 | It is adapted to the adjustable bent catheter of left-handed operation |
| CN208851537U (en) * | 2018-03-16 | 2019-05-14 | 上海形状记忆合金材料有限公司 | A kind of adjustable bending delivery sheath that can show bending angle |
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| CN113332564A (en) | 2021-09-03 |
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Address after: Room 303, building 5, No. 1158, Jiuting Central Road, Jiuting Town, Songjiang District, Shanghai 201615 Patentee after: Shanghai Huihe Medical Technology Co.,Ltd. Address before: 201615 Room 303, building 5, 1158 Zhongxin Road, Songjiang District, Shanghai Patentee before: Shanghai Huihe Medical Technology Co.,Ltd. |
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