CN115487415B - Novel blood pump head fixed knot constructs - Google Patents
Novel blood pump head fixed knot constructs Download PDFInfo
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- CN115487415B CN115487415B CN202211437526.7A CN202211437526A CN115487415B CN 115487415 B CN115487415 B CN 115487415B CN 202211437526 A CN202211437526 A CN 202211437526A CN 115487415 B CN115487415 B CN 115487415B
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- fixing
- pump head
- blood pump
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- elastic
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- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/845—Constructional details other than related to driving of extracorporeal blood pumps
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/845—Constructional details other than related to driving of extracorporeal blood pumps
- A61M60/847—Constructional details other than related to driving of extracorporeal blood pumps arranged in a cassette
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
The embodiment of the application provides a novel blood pump head fixed knot constructs, fixed knot constructs including: fixing base and solid fixed ring, the pump head sets up on the fixing base through solid fixed ring, the fixing base periphery is provided with first draw-in groove, gu fixed ring passes through the rotatable cover of first draw-in groove is established the fixing base is peripheral, gu be provided with mobilizable retaining member on the fixed ring, gu fixed ring with be provided with the elastic component between the fixing base, the elastic component with the retaining member contact, under the exogenic action, the retaining member can unblock the pump head of locking on solid fixed ring, loses under the exogenic action, the retaining member resets under the elastic component effect so that block the pump head motion, can solve the fixed technical problem who exists the pump head position adjustment among the prior art through this application embodiment.
Description
Technical Field
The embodiment of the application relates to the technical field of medical equipment fixation, in particular to a novel blood pump head fixing structure.
Background
The external membrane pulmonary oxygenation (ECMO) is applied to the treatment of heart and lung function failure patients, the core part of the external membrane pulmonary oxygenation (ECMO) is artificial lung (also called membrane lung or oxygenator) and artificial heart (also called blood pump head or power pump), on the traditional external membrane pulmonary oxygenation (ECMO) instrument, the fixed mode of blood pump head is directly fixed on the blood pump head fixing seat, the fixed mode has certain limitation, if the blood pump head is fixed, the position adjustment of the blood pump head cannot be realized, and after the position adjustment of the blood pump head is well, the fixation of the blood pump head cannot be realized.
Disclosure of Invention
An object of the embodiment of this application is to provide a novel blood pump head fixed knot constructs so that solve and have the fixed technical problem behind the adjustment of blood pump head position among the prior art.
The embodiment of the application provides a novel blood pump head fixed knot constructs, fixed knot constructs including: a fixed seat and a fixed ring; the pump head of the blood pump is arranged on the fixed seat through the fixed ring, the periphery of the fixed seat is provided with a first clamping groove, the fixed ring is rotatably sleeved on the periphery of the fixed seat through the first clamping groove,
the last second draw-in groove that is provided with of solid fixed ring, be provided with mobilizable retaining member on the second draw-in groove gu fixed ring bottom is provided with the third draw-in groove be provided with the elastic component in the third draw-in groove, the elastic component with the retaining member contact, under the exogenic action, through the drive retaining member motion makes the elastic component take place elastic deformation with the blood pump head of unblock locking on solid fixed ring, loses under the exogenic action, the retaining member resets under the elastic action of elastic component with locking blood pump head.
As a preferred embodiment of the application, the locking piece comprises a pressing piece, a fixing piece, a first connecting piece and a blocking piece;
the pressing piece is respectively connected with the fixing piece and a first connecting piece, the first connecting piece is vertically connected with the blocking piece, a mounting hole is formed in the fixing ring, and the fixing piece is arranged in the mounting hole;
the second clamping groove comprises a longitudinal clamping groove and a transverse clamping groove which are mutually communicated, the blocking piece is arranged in the longitudinal clamping groove, and the first connecting piece is arranged in the transverse clamping groove;
the fixing piece is in contact with the elastic piece, the blocking piece moves downwards in the longitudinal clamping groove under the action of external force to enable the elastic piece to generate elastic deformation, and the blocking piece moves upwards in the longitudinal clamping groove under the action of the elastic force of the elastic piece to drive the blocking piece to protrude out of the upper surface of the fixing ring to lock the pump head of the blood pump under the action of the external force.
As a preferred embodiment of the present application, the second locking groove is communicated with the mounting hole.
As a preferred embodiment of the present application, the blocking member has a cylindrical structure.
As a preferred embodiment of the application, the pressing piece is arranged on the periphery of the fixing ring.
As a preferred embodiment of the present application, the fixing element includes a first fixing unit and a second fixing unit that are arranged at an interval, the elastic element includes a second connecting element, a first elastic sheet and a second elastic sheet, and both the first elastic sheet and the second elastic sheet are connected to the second connecting element;
the free end of the first elastic sheet is in contact with the first fixing unit, and the free end of the second elastic sheet is in contact with the second fixing unit.
As a preferred embodiment of the present application, the first fixing unit and the second fixing unit are distributed on both sides of the blocking member.
As a preferred embodiment of this application, the side that solid fixed ring is close to the fixing base is provided with along the through-hole that radially sets up, be provided with the rolling member in the through-hole on the fixing base with the side that the through-hole corresponds is provided with first recess, under the exogenic action, the rolling member is in move in the first recess.
As a preferred embodiment of the present application, a pin is further disposed in the through hole along a radial direction, the pin being in contact with a rolling member, and the pin being disposed outside the rolling member.
As a preferred embodiment of this application, be provided with the second recess that a plurality of intervals set up on the first draw-in groove of fixing base, the terminal surface that solid fixed ring is close to first draw-in groove is provided with the locating part, and under the exogenic action, the drive the locating part is spacing in order to restrict solid fixed ring free rotation in the second recess.
Compared with the prior art, the novel blood pump head fixing structure provided by the application,
the blood pump head sets up on the fixing base through solid fixed ring, the fixing base periphery is provided with first draw-in groove, gu fixed ring passes through the rotatable cover of first draw-in groove is established the fixing base is peripheral, gu be provided with the second draw-in groove on the fixed ring, be provided with mobilizable retaining member on the second draw-in groove gu the fixed ring bottom is provided with the third draw-in groove be provided with the elastic component in the third draw-in groove, the elastic component with the retaining member contact, under the exogenic action, through the drive retaining member motion makes the elastic component take place elastic deformation with the pump head of unblock locking on solid fixed ring, loses under the exogenic action, the retaining member resets under the spring action of elastic component with the locking blood pump head. The embodiment of the application provides a novel blood pump head fixed knot constructs can adjust blood pump head fixed position according to the demand to the blood pump head after the pairing rotation targets in place is fixed, in order to satisfy the clinical pipeline trend demand of reply complicacy.
Drawings
Non-limiting and non-exhaustive embodiments of the present invention are described by way of example with reference to the following drawings, in which:
fig. 1 is an exploded schematic view of a novel blood pump head fixing structure provided in an embodiment of the present application;
FIG. 2 is a schematic view showing the structure of the elastic member and the locker in the embodiment of the present application;
FIG. 3 is a front view showing the locking member provided on the fixing ring according to the embodiment of the present application;
FIG. 4 is a rear view showing the construction of the retaining member provided on the retaining ring in the embodiment of the present application;
fig. 5 is a schematic cross-sectional structure view of a novel blood pump head fixing structure provided in an embodiment of the present application in one direction;
fig. 6 is a schematic cross-sectional structure view in another direction of a novel blood pump head fixing structure provided in an embodiment of the present application;
fig. 7 is a schematic structural view of a novel blood pump head fixed structure for fixing a blood pump head provided in an embodiment of the present application.
Detailed Description
In order to make the above and other features and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limiting, for those of ordinary skill in the art.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The blood pump head in this application mainly used external membrane pulmonary oxygenation (ECMO) system, mainly play artificial heart's effect in external membrane pulmonary oxygenation, for fixed blood pump head, this application embodiment provides a novel blood pump head fixed knot constructs, and wherein, novel blood pump head fixed knot constructs mainly is used for connecting blood pump head driver and blood pump head.
As shown in fig. 1 and fig. 4, the embodiment of the present application provides a novel blood pump head fixing structure, where the fixing structure includes: a fixed seat 02 and a fixed ring 01;
the blood pump head sets up on fixing base 02 through solid fixed ring 01, the fixing base 02 periphery is provided with first draw-in groove, gu fixed ring 01 passes through the rotatable cover of first draw-in groove is established the fixing base 02 is peripheral, first draw-in groove sets up around the peripheral circumference of fixing base 02.
The utility model discloses a blood pump, including solid fixed ring 01, be provided with first draw-in groove 01-5 on the solid fixed ring 01, be provided with second draw-in groove 01-5 on the second draw-in groove 01-5 mobilizable retaining member 04 solid fixed ring 01 bottom is provided with third draw-in groove 01-4 be provided with elastic component 03 in the third draw-in groove 01-4, elastic component 03 with retaining member 04 contact, under the exogenic action, retaining member 04 can make elastic component 03 take place elastic deformation in order to unblock the blood pump head of locking on solid fixed ring 01, lose under the exogenic action, retaining member 04 resets under the elastic action of elastic component 03 in order to lock the blood pump head.
As shown in fig. 2, further, the locking member 04 comprises a pressing member 04-2, a fixing member, a first connecting member 04-3 and a blocking member 04-4; the locking piece 04 is used for locking the pump head of the blood pump arranged on the fixing ring 01, and the pressing piece 04-2 is connected with the fixing piece and the first connecting piece 04-3 respectively.
In the embodiment of the present application, the blocking member 04-4 may be directly connected to the pressing member 04-2, the blocking member 04-4 may also be connected to the pressing member 04-2 through a first connecting member 04-3, that is, a first connecting member 04-3 is further disposed between the blocking member 04-4 and the pressing member 04-2, the first connecting member 04-3 is radially disposed along the fixing ring 01 and perpendicular to the blocking member 04-4, the second engaging groove 01-5 includes a longitudinal engaging groove and a transverse engaging groove that are mutually communicated, the longitudinal engaging groove is disposed along an axial direction of the fixing ring 01, the transverse engaging groove is radially disposed along the fixing ring 01, and the transverse engaging groove is an open engaging groove, so that the first connecting member 04-3 can move downward when the pressing member 04-2 is pressed by an external force. The longitudinal clamping groove and the radial clamping groove are vertically arranged, the transverse clamping groove is formed by arranging the blocking piece 04-4 in the longitudinal clamping groove, and the first connecting piece 04-3 is arranged in the transverse clamping groove; the fixing piece is in contact with the elastic piece 03, under the action of external force, the blocking piece 04-4 moves downwards in the longitudinal clamping groove to enable the elastic piece 03 to be elastically deformed, and under the action of the external force, the blocking piece 04-4 moves upwards in the longitudinal clamping groove under the action of the elastic force of the elastic piece 03 to drive the blocking piece to protrude out of the upper surface of the fixing ring 01 to lock the pump head of the blood pump. Preferably, the blocking member 04-4 is a cylindrical structure, and in the embodiment of the present application, other structures are also possible, and the shape of the specific blocking member 04-4 matches the shape of the longitudinal locking groove.
In the embodiment of the present application, in order to facilitate the pressing of the pressing member 04-2 by an external force, the pressing member 04-2 is disposed at the periphery of the fixing ring 01, and the blocking member 04-4, the first connecting member 04-3 and the fixing member are disposed in the fixing ring 01.
As shown in fig. 3, the fixing ring 01 is provided with a mounting hole, the fixing member is disposed in the mounting hole, and specifically, the second engaging groove 01-5 is communicated with the mounting hole, and the elastic member 03 can be conveniently connected to the fixing member by communicating the second engaging groove 01-5 with the mounting hole. The fixing piece is mainly used for fixing the pressing piece 04-2 on the fixing ring 01 and providing the function of transferring the elastic force of the elastic piece 03, the pressing piece 04-2 mainly provides a part for external force touch control, the pressing piece 04-2 is pressed through external force to realize the movement of the blocking piece 04-4 in the longitudinal clamping groove, and the movement of the blocking piece 04-4 is realized to realize the function of locking the pump head of the blood pump.
Preferably, the fixing part comprises a first fixing unit 04-1 and a second fixing unit 04-5 which are arranged at intervals, the elastic part 03 comprises a second connecting part 03-1, a first elastic sheet 03-2 and a second elastic sheet 03-3, the first elastic sheet 03-2 and the second elastic sheet 03-3 are both connected with the second connecting part 03-1, the second connecting part 03-1 is fixed at the bottom of the fixing ring 01, the free end of the first elastic sheet 03-2 is in contact with the first fixing unit 04-1, and the free end of the second elastic sheet 03-3 is in contact with the second fixing unit 04-5. The embodiment of the application can enable more elastic contacts by arranging the first fixing unit 04-1 and the second fixing unit 04-5, the elastic force of the elastic piece 03 can be conveniently converted into the power of the fixing piece, and the second connecting piece 03-1, the first elastic piece 03-2 and the second elastic piece 03-3 are arranged on one side face, close to the fixing seat 02, of the fixing ring 01.
In order to achieve uniform balance of the stress, the first fixing unit 04-1 and the second fixing unit 04-5 are distributed on both sides of the blocking piece 04-4.
As shown in fig. 4, the elastic member 03 is disposed at the bottom of the fixing ring 01, and the fixing member is in contact with the elastic member 03, under the action of an external force, the blocking member 04-4 moves downward in the first longitudinal slot, and under the action of the external force, the blocking member 04-4 moves upward in the longitudinal slot under the action of the elastic member 03 to drive the blocking member 04-4 to protrude out of the upper surface of the fixing ring 01 to block the movement of the pump head of the blood pump, and under the action of the external force, the elastic member 03 is pressed by the fixing member to cause the elastic member 03 to transmit elastic deformation, and when the external force is lost, the elastic member 03 converts the elastic force into the power of the fixing member, and then the blocking member 04-4 is driven by the fixing member to move upward in the longitudinal slot to lock the pump head of the blood pump.
As an embodiment of the application, a plurality of protrusions are arranged on the periphery of the pump head of the blood pump, when the protrusions are correspondingly arranged in the mounting grooves in the fixing ring 01, the blocking piece 04-4 is reset under the action of the elastic piece 03 so as to prevent the protrusions of the pump head of the blood pump from being incapable of moving, and therefore the pump head of the blood pump is locked.
As shown in fig. 5, preferably, in order to realize that the fixing ring 01 is rotatably sleeved on the periphery of the fixing seat 02, a through hole which is radially arranged is arranged on a side surface of the fixing ring 01 close to the fixing seat 02, the through hole is a cylindrical hole, a rolling member 01-1 is arranged in the through hole, in the embodiment of the present application, the rolling member 01-1 is a steel ball, a first groove 02-2 is arranged on a side surface of the fixing seat 02 corresponding to the through hole, the rolling member 01-1 moves in the first groove 02-2 under the action of external force, a pin 01-3 is further radially arranged in the through hole, the pin 01-3 is in contact with the rolling member 01-1, the pin 01-3 is arranged on the outer side of the rolling member 01-1, and the rolling member 01-1 can be prevented from moving to the outer side of the fixing ring 01 by the arrangement of the pin 01-3, in the embodiment of the present application, the number of the rolling members 01-1 is set to 1, and in a specific practical application, the number of the rolling members 01-1 can be adjusted according to specific needs.
As shown in fig. 6, as a preferred embodiment of the present application, in order to limit the free rotation of the fixing ring 01 to fix the pump head of the blood pump after the adjustment position is adjusted, a plurality of second grooves 02-1 are disposed on the first groove of the fixing seat 02 at intervals, a limiting member 01-2 is disposed on an end surface of the fixing ring 01 close to the first groove, and under an external force, the limiting member 01-2 is driven to be limited in the second groove 02-1 to limit the free rotation of the fixing ring 01, in the embodiment of the present application, the limiting member 01-2 is a positioning bead, the limiting member 01-2 is disposed along an axial direction, and under the external force, the limiting member 01-2 moves in the second groove 02-1, and when the limiting member 01-2 moves into the second groove 02-1 under the external force, the limiting member 01-2 is clamped into the second groove 02-1, and if no external force acts, the limiting member 01-2 cannot move continuously, so that the pump is fixed to a preset position, and in the embodiment, the limiting member 01-2 is actually set to 1.
It should be noted that, the blood pump head fixing device provided in the embodiment of the present application may also fix other components, which is not limited in the embodiment of the present application.
As shown in fig. 7, when the blood pump head 05 fixing device provided in the embodiment of the present application is specifically used, a fixing base 02 to which a fixing ring 01 is fixed is obtained, after the blood pump head 05 is set to a preset position, a pressing member 04-2 arranged on the fixing ring 01 is pressed to drive a blocking member 04-4 to move downward in a longitudinal slot, during the downward movement, the fixing member is driven to squeeze an elastic member 03 to generate elastic deformation, then the blood pump head 05 is rotated to the preset position without removing an external force on the pressing member 04-2, then the external force on the pressing member 04-2 is removed, the elastic force of the elastic member 03 is converted into the power of the fixing member to drive the blocking member 04-4 to move upward in the longitudinal slot, after the blocking member 04-4 is reset, the upper surface of the blocking member 04-4 protrudes out of the upper surface of the fixing ring 01 to block the movement of the blood pump head to lock the blood pump head 05, when the installation direction of the blood pump head 05 needs to be adjusted according to the pipeline setting, the fixing member 01 needs to rotate the fixing ring 01 under the external force, when the external force does not act on the second limiting member 01-2, the fixing ring 01-2, and the fixing ring 01 cannot move to the groove 2, when the second limiting member 01-2 is not act on the groove, and the fixing groove 2, the groove 02, so that the second limiting member 01-2, the fixing ring 01-2 can not rotate.
The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the features.
While the invention has been described in connection with embodiments thereof, it will be understood by those skilled in the art that the foregoing description and drawings are by way of example only, and not limitation, and that the invention is not limited to the disclosed embodiments. Various modifications and variations are possible without departing from the spirit of the invention.
Claims (10)
1. The utility model provides a blood pump head fixed knot constructs which characterized in that, fixed knot constructs including: a fixed seat and a fixed ring;
the pump head of the blood pump is arranged on a fixed seat through a fixed ring, a first clamping groove is formed in the periphery of the fixed seat, and the fixed ring is rotatably sleeved on the periphery of the fixed seat through the first clamping groove;
be provided with the second draw-in groove on the solid fixed ring, be provided with mobilizable retaining member on the second draw-in groove gu the solid fixed ring bottom is provided with the third draw-in groove be provided with the elastic component in the third draw-in groove, the elastic component with the retaining member contact, under the exogenic action, through the drive retaining member motion makes the elastic component take place elastic deformation with the blood pump head of unblock locking on solid fixed ring, loses under the exogenic action, the retaining member resets under the elastic action of elastic component with locking blood pump head.
2. A pump head fixing structure for a blood pump according to claim 1, wherein the locking member comprises a pressing member, a fixing member, a first connecting member and a blocking member;
the pressing piece is respectively connected with the fixing piece and a first connecting piece, the first connecting piece is vertically connected with the blocking piece, a mounting hole is formed in the fixing ring, and the fixing piece is arranged in the mounting hole;
the second clamping groove comprises a longitudinal clamping groove and a transverse clamping groove which are mutually communicated, the blocking piece is arranged in the longitudinal clamping groove, and the first connecting piece is arranged in the transverse clamping groove;
the fixing piece is in contact with the elastic piece, the blocking piece moves downwards in the longitudinal clamping groove under the action of external force to enable the elastic piece to generate elastic deformation, and the blocking piece moves upwards in the longitudinal clamping groove under the action of the elastic force of the elastic piece to drive the blocking piece to protrude out of the upper surface of the fixing ring to lock the pump head of the blood pump under the action of the external force.
3. The pump head fixing structure of a blood pump according to claim 2, wherein said second locking groove is in communication with said mounting hole.
4. A blood pump head mounting arrangement as claimed in claim 2, wherein the stop member is of cylindrical configuration.
5. A pump head fixing structure for a blood pump according to claim 2, wherein the pressing member is disposed around the fixing ring.
6. The pump head fixing structure of a blood pump according to claim 2, wherein the fixing member comprises a first fixing unit and a second fixing unit that are disposed at an interval, the elastic member comprises a second connecting member, a first elastic sheet and a second elastic sheet, and both the first elastic sheet and the second elastic sheet are connected to the second connecting member;
the free end of the first elastic sheet is in contact with the first fixing unit, and the free end of the second elastic sheet is in contact with the second fixing unit.
7. A blood pump head fixation structure as claimed in claim 6, wherein said first fixation unit and said second fixation unit are disposed on opposite sides of the barrier.
8. A pump head fixing structure for a blood pump according to claim 1, wherein a side of the fixing ring close to the fixing seat is provided with a through hole arranged in a radial direction, a rolling member is disposed in the through hole, a first groove is disposed on a side of the fixing seat corresponding to the through hole, and the rolling member moves in the first groove under an external force.
9. A pump head fixing structure for a blood pump according to claim 8, wherein a pin is further provided in the through hole in a radial direction, the pin being in contact with the rolling member, the pin being provided outside the rolling member.
10. The pump head fixing structure of a blood pump according to claim 1, wherein a plurality of second grooves are disposed at intervals on the first locking groove of the fixing base, a limiting member is disposed on an end surface of the fixing ring close to the first locking groove, and the limiting member is driven to be limited in the second groove under an external force so as to limit the fixing ring from freely rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211437526.7A CN115487415B (en) | 2022-11-17 | 2022-11-17 | Novel blood pump head fixed knot constructs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211437526.7A CN115487415B (en) | 2022-11-17 | 2022-11-17 | Novel blood pump head fixed knot constructs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115487415A CN115487415A (en) | 2022-12-20 |
| CN115487415B true CN115487415B (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211437526.7A Active CN115487415B (en) | 2022-11-17 | 2022-11-17 | Novel blood pump head fixed knot constructs |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392746A (en) * | 2007-08-28 | 2009-03-25 | Itt制造企业公司 | Friction lock design for adjustable pump head to allow for 360 deg rotation |
| JP2016114028A (en) * | 2014-12-17 | 2016-06-23 | 株式会社ジェイ・エム・エス | attachment |
| CN108498887A (en) * | 2018-04-24 | 2018-09-07 | 苏州心擎医疗技术有限公司 | The unlock holding mechanism of blood pump |
| CN108525038A (en) * | 2018-04-24 | 2018-09-14 | 苏州心擎医疗技术有限公司 | The quick locking and fixed mechanism of blood pump |
| CN108578802A (en) * | 2018-04-24 | 2018-09-28 | 苏州心擎医疗技术有限公司 | The quick fixation of blood pump and unlocking mechanism |
| CN217339563U (en) * | 2021-12-31 | 2022-09-02 | 微创外科医疗科技(上海)有限公司 | Locking and releasing mechanism and in vitro life support system |
-
2022
- 2022-11-17 CN CN202211437526.7A patent/CN115487415B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101392746A (en) * | 2007-08-28 | 2009-03-25 | Itt制造企业公司 | Friction lock design for adjustable pump head to allow for 360 deg rotation |
| JP2016114028A (en) * | 2014-12-17 | 2016-06-23 | 株式会社ジェイ・エム・エス | attachment |
| CN108498887A (en) * | 2018-04-24 | 2018-09-07 | 苏州心擎医疗技术有限公司 | The unlock holding mechanism of blood pump |
| CN108525038A (en) * | 2018-04-24 | 2018-09-14 | 苏州心擎医疗技术有限公司 | The quick locking and fixed mechanism of blood pump |
| CN108578802A (en) * | 2018-04-24 | 2018-09-28 | 苏州心擎医疗技术有限公司 | The quick fixation of blood pump and unlocking mechanism |
| CN217339563U (en) * | 2021-12-31 | 2022-09-02 | 微创外科医疗科技(上海)有限公司 | Locking and releasing mechanism and in vitro life support system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115487415A (en) | 2022-12-20 |
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Denomination of invention: A New Fixed Structure of Blood Pump Head Effective date of registration: 20230605 Granted publication date: 20230310 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: SHENZHEN HNO MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980042855 |