CN216605922U - Dispensing tool for manufacturing left heart auxiliary device - Google Patents

Dispensing tool for manufacturing left heart auxiliary device Download PDF

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Publication number
CN216605922U
CN216605922U CN202122458069.7U CN202122458069U CN216605922U CN 216605922 U CN216605922 U CN 216605922U CN 202122458069 U CN202122458069 U CN 202122458069U CN 216605922 U CN216605922 U CN 216605922U
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CN
China
Prior art keywords
auxiliary device
heart auxiliary
rod
manufacturing
dispensing tool
Prior art date
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Active
Application number
CN202122458069.7U
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Chinese (zh)
Inventor
刘欢
解启莲
万传杨
巩郑
冯启涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Tongling Bionic Technology Co Ltd
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Anhui Tongling Bionic Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Anhui Tongling Bionic Technology Co Ltd filed Critical Anhui Tongling Bionic Technology Co Ltd
Priority to CN202122458069.7U priority Critical patent/CN216605922U/en
Priority to DE202022100025.5U priority patent/DE202022100025U1/en
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Publication of CN216605922U publication Critical patent/CN216605922U/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • 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
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
    • A61M60/13—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
    • 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
    • A61M60/20—Type thereof
    • A61M60/205—Non-positive displacement blood pumps
    • A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
    • A61M60/237—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow 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
    • A61M60/80—Constructional details other than related to driving
    • A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/81—Pump housings
    • A61M60/816—Sensors arranged on or in the housing, e.g. ultrasound flow sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
    • B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
    • 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
    • A61M2207/00—Methods of manufacture, assembly or production
    • A61M2207/10—Device therefor

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Coating Apparatus (AREA)
  • External Artificial Organs (AREA)

Abstract

The utility model relates to the technical field of medical instruments, in particular to a dispensing tool for manufacturing a left heart auxiliary device; the device comprises a base, wherein a supporting rod for restraining the posture of a sleeve of the heart auxiliary device and a glue dispenser for applying glue solution to the sleeve of the heart auxiliary device are arranged on the base; the utility model has the beneficial effects that: the utility model provides a point is glued frock provides equipment support for sealing and hookup between heart auxiliary device structure, through the gesture and the cooperation relation of control point gluey frock, can be better accomplish point and glue the operation, has the advantage accurate, easy and simple to handle of control.

Description

Dispensing tool for manufacturing left heart auxiliary device
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a dispensing tool for manufacturing a left heart auxiliary device.
Background
A heart assist device, also known as a mechanical blood circulation support device or heart pump assembly, may be introduced into the heart and may be configured to assist or replace natural heart pump function by circulatory pumping or continuous pumping of blood, providing hemodynamic support for cardiogenic shock and acute heart failure. For example, a heart pump supporting the left side of the heart may be introduced into the ascending aorta by a catheterization procedure through the femoral artery, across the aortic valve into the left ventricle, pumping blood in the left ventricle into the aorta; the heart pump supporting the right side of the heart is deployed in the venous system, draining blood from the inferior or right atrium or superior vena cava into the pulmonary arteries.
At present, the sleeve of the heart assist device is mainly bonded with the blood inflow cage and the blood outflow cage manually, the coating amount, the coating position and the coating time of an adhesive are difficult to accurately grasp, and the non-uniformity of the coating standard makes the working result difficult to evaluate the overall reliability and the quality stability of the product.
Disclosure of Invention
The utility model aims to provide a dispensing tool for manufacturing a left heart auxiliary device, which comprises a base, wherein a supporting rod for restraining the posture of a sleeve of the heart auxiliary device and a dispensing device for applying glue to the sleeve of the heart auxiliary device are arranged on the base, a driving mechanism drives the supporting rod to rotate, and a posture adjusting mechanism adjusts the position and the posture of the dispensing device until the dispensing device is close to or far away from the supporting rod.
According to the preferred technical scheme, the support rod is provided with a rod-shaped body, and the rod diameter of the support rod is matched with the inner diameter of the sleeve of the heart assist device.
According to the preferable technical scheme, the supporting rod is further provided with a slit along the central axis, and the slit divides the free end of the supporting rod into two rod bodies which are separated from each other.
According to the preferable technical scheme, the glue dispenser comprises a tubular barrel, one end of the barrel is open and is in threaded connection with a pipe cover, a connecting nozzle is arranged on the pipe cover and is connected with a pressure controller through a pipeline, a needle tube is arranged at the other end of the barrel, the needle tube and the connecting nozzle are both of a hollow structure, and a liquid inlet/air passage communicated with the inside and the outside of the barrel is formed.
According to the preferable technical scheme, the pressure controller is connected with the air compressor and comprises a first power supply module and a pressure control module, wherein the first power supply module and the pressure control module are integrated into a whole, and the pressure control module is used for controlling the output flow, the flow speed and the time of the gas.
According to the preferred technical scheme, the driving mechanism is a motor fixed on the base, and the supporting rod is connected with a power output shaft of the motor through a coupler and synchronously rotates.
According to the preferred technical scheme, the motor is a stepping motor, the motor is electrically connected with a control system, and the control system comprises a power module II, a speed regulation module and a control module which are integrated into a whole.
According to the preferable technical scheme, the posture adjusting mechanism comprises a support and a clamp, the support comprises a first handle rod hinged to a support through a hinged shaft, the first handle rod is connected with the clamp through a universal ball head, the support comprises a second handle rod hinged to the hinged shaft and a fixing seat fixedly connected with a base, and the second handle rod is connected with the fixing seat through the universal ball head.
According to the preferable technical scheme, the first handle rod and the second handle rod are in threaded connection with the hinge shaft respectively, and locking structures are arranged between the first handle rod and the clamp and between the second handle rod and the fixed seat.
According to the preferable technical scheme, the clamp is a crab clamp.
The utility model has the beneficial effects that: the utility model provides a point is glued frock provides equipment support for sealed and hookup between heart auxiliary device structure, through the gesture and the cooperation relation of control point frock, can be better accomplish point and glue the operation, has the advantage of control accurate, easy and simple to handle.
Drawings
FIG. 1 is a schematic diagram of a prior art heart assist device;
FIG. 2 is a schematic view of the connection between the blood outflow cage and the patch of FIG. 1;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is a schematic structural view of the support rod of FIG. 3;
fig. 5 is a system connection diagram according to an embodiment of the utility model.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings, which are provided for illustrative purposes only and are not intended to limit the scope of the present invention.
Reference example
Fig. 1-2 schematically illustrate a prior art heart assist device, specifically a heart pump assembly 100. The heart pump assembly 100 comprises a catheter 101, a drive unit 102, a blood outflow cage 103, a cannula 104, a blood inflow cage 105, a pigtail 106, and a tab 107 (for reducing turbulence) built into the blood outflow cage 103; the drive unit 102 may be configured as a pump including a rotor (not shown), an impeller (not shown) rotatably coupled to the drive unit 102, and a cannula 104 may extend through the aortic valve to position blood flow into a cage 105 and a pigtail 106 in the left ventricle beyond the aortic valve, such as to position the pigtail 106 against the left ventricular wall.
Examples
A dispensing tool for manufacturing a left heart auxiliary device is disclosed, referring to fig. 3-5, and comprises a base 10, wherein a supporting rod 20 for restraining the posture of a sleeve 104 of the heart auxiliary device and a dispensing device 30 for applying glue to the sleeve 104 of the heart auxiliary device are arranged on the base 10, a driving mechanism drives the supporting rod 20 to rotate, and a posture adjusting mechanism adjusts the position and the posture of the dispensing device 30 until the dispensing device 30 is close to or far away from the supporting rod 20.
When the heart assist device is manufactured, the sleeve 104 is firstly sleeved on the support rod 20, so that the support rod 20 drives the sleeve 104 to synchronously rotate when rotating, then the position of the glue dispenser 30 is adjusted to be adjacent to the position to be glued on the sleeve 104, the posture of the glue dispenser 30 is fixed, glue dispensing operation is started, the sleeve 104 can obtain uniformly distributed glue coating amount under the condition that the glue dispenser 30 dispenses glue at a uniform speed and the sleeve 104 rotates at a fixed speed, and the connection firmness and the process stability of a precision device can be ensured.
In particular, the support rod 20 has a rod-shaped body, and the rod diameter of the support rod 20 is adapted to the inner diameter of the heart assist device sleeve 104; preferably, the support rod 20 is further provided with a slit 21 along the central axis, and the slit 21 divides the free end of the support rod 20 into two rod bodies separated from each other to form an avoidance path of the heart assist device insertion sheet 107. By free end is meant the end of the support rod 20 remote from the drive mechanism.
In order to reduce the eddy current phenomenon in the blood application scenario, the heart pump assembly 100 is provided with an insertion sheet 107 connected to the inner wall of the blood outflow cage 103 (between the blood outflow cage 103 and the insertion sheet 107, for example, a plug-in fit may be formed), and the insertion sheet 107 divides the internal cavity of the blood outflow cage 103 into two halves, see fig. 2. In the assembly sequence, tab 107 is first inserted into blood outflow cage 103 and then blood outflow cage 103 is adhesively bonded to cannula 104. Therefore, when the connecting sleeve 104 is connected with the blood inflow cage 105 and/or the blood outflow cage 103, the slit 21 structure provided on the supporting rod 20 can ensure that the blood outflow cage 103 and the insert 107 therein can be synchronously sleeved on the supporting rod 20, so as to facilitate dispensing.
Specifically, the dispenser 30 includes a tubular barrel 31, one end of the barrel 31 is open and is in threaded connection with a tube cap 32, a connection nozzle 33 is arranged on the tube cap 32 and is connected with a pressure controller 90 through a pipeline, a needle tube 34 is arranged at the other end of the barrel 31, and the needle tube 34 and the connection nozzle 33 both have a hollow structure to form a liquid/air inlet passage communicating the inside and outside environment of the barrel 31.
The cylinder 31 is used for containing coating glue solution, after the tube cap 32 is screwed, an approximately closed space is formed in the glue dispenser 30, and the pressure controller 90 provides pressure control for the space, including but not limited to controlling the pressure, the pressure duration and the pressure direction, so as to regulate and control the outflow quantity, the outflow speed and the outflow time of the glue solution in the needle tube 34.
Specifically, the pressure controller 90 is connected to an air compressor 100, and the air compressor 100 provides power for the flow of the glue solution; the pressure controller 90 includes an integrated power module 91 and a pressure control module 92 for controlling the output flow, flow rate and time of the gas, and the power module 91 is electrically connected to the pressure control module 92.
Specifically, the driving mechanism is a motor 40 fixed on the base 10, the support rod 20 is connected with a power output shaft of the motor 40 through a coupler 50 and synchronously rotates, the motor 40 is a stepping motor, the motor 40 is electrically connected with a control system 60, the control system 60 comprises a second power module 61, a speed regulation module 62 and a control module 63 which are integrated into a whole, the control system 60 provides control of opening/closing, rotating speed and rotating speed direction for the motor 40, the second power module 61 is electrically connected with the speed regulation module 62 and the control module 63, and the speed regulation module 62 is in communication connection with the control module 63.
As a preferred technical solution, the posture adjusting mechanism includes a bracket 70 and a clamp 80, the bracket 70 includes a first handle 72 hinged on a support by a hinge shaft 71, the first handle 72 is connected with the clamp 80 through a universal ball joint, the support includes a second handle 73 hinged with the hinge shaft 71 and a fixing seat 74 fixedly connected with the base 10, and the second handle 73 is connected with the fixing seat 74 through the universal ball joint, so that universal rotation of the bracket 70 can be realized, and the posture of the bracket 70 can be adjusted conveniently to meet the dispensing requirement.
As a preferable technical solution, the first and second levers 72 and 73 are respectively in threaded connection with the hinge shaft 71, and locking structures are provided between the first lever 72 and the fixture 80 and between the second lever 73 and the fixing seat 74, so that the joints of the bracket 70 can be fixedly connected, and the posture of the bracket 70 can be conveniently fixed, so as to meet the dispensing requirement. It should be noted that the bracket 70 is commercially available, and the locking structure thereof is prior art.
In a specific scheme, the clamp 80 is a crab clamp for clamping the glue dispenser 30 and assisting in adjusting and fixing the structural posture of the whole tool.
When the glue dispensing device is used, the sleeve 104 is sleeved on the support rod 20, glue is filled into the glue dispensing device 30, the glue dispensing device is clamped and fixed by the clamp 80, the position and the posture of the support 70 are adjusted so that the needle tube 34 of the glue dispensing device 30 is close to the position to be glued, the motor 40 is started, the rotating speed of the support rod 20 is adjusted to a target value, the air compressor 100 is started, the control parameters of the pressure controller 90 are adjusted to the target value, and the pressure controller 90 is started, so that the glue dispensing operation can be carried out. When dispensing is finished, the pressure controller 90 will adjust the pressure direction reversely according to the preset control parameters, so that the dispenser 30 is in a negative pressure state, and dispensing can be stopped.
The above description of the specific embodiments of the present invention is not intended to limit the present invention, and those skilled in the art may make various changes and modifications according to the present invention without departing from the spirit of the present invention, which is defined in the appended claims.

Claims (10)

1. The utility model provides a glue dispensing tool for making left heart auxiliary device which characterized in that: the heart auxiliary device sleeve glue applying device comprises a base (10), wherein a supporting rod (20) used for restraining the posture of the heart auxiliary device sleeve (104) and a glue dispenser (30) used for applying glue to the heart auxiliary device sleeve (104) are arranged on the base (10), a driving mechanism drives the supporting rod (20) to rotate, and a posture adjusting mechanism adjusts the position and the posture of the glue dispenser (30) until the glue dispenser (30) is close to or far away from the supporting rod (20).
2. The dispensing tool for manufacturing the left heart auxiliary device according to claim 1, characterized in that: the supporting rod (20) is provided with a rod-shaped body, and the rod diameter of the supporting rod (20) is matched with the inner diameter of the heart auxiliary device sleeve.
3. The dispensing tool for manufacturing the left heart auxiliary device according to claim 1 or 2, characterized in that: the supporting rod (20) is further provided with a slit (21) along the central axis, and the slit (21) divides the free end of the supporting rod (20) into two rod bodies which are separated from each other.
4. The dispensing tool for manufacturing the left heart auxiliary device according to claim 1, characterized in that: the glue dispenser (30) comprises a tubular barrel (31), one end of the barrel (31) is open and is in threaded connection with a pipe cover (32), a connecting nozzle (33) is arranged on the pipe cover (32) and is connected with a pressure controller (90) through a pipeline, a needle tube (34) is arranged at the other end of the barrel (31), the needle tube (34) and the connecting nozzle (33) are both of a hollow structure, and a liquid/gas inlet passage for communicating the inside and the outside of the barrel (31) is formed.
5. The dispensing tool for manufacturing the left heart auxiliary device according to claim 4, characterized in that: the pressure controller (90) is connected with the air compressor (100), and the pressure controller (90) comprises a power supply module I (91) and a pressure control module (92) which are integrated into a whole and are used for controlling the output flow, flow rate and time of the gas.
6. The dispensing tool for manufacturing the left heart auxiliary device according to claim 1, characterized in that: the driving mechanism is a motor (40) fixed on the base (10), and the supporting rod (20) is connected with a power output shaft of the motor (40) through a coupler (50) to realize synchronous rotation.
7. The dispensing tool for manufacturing the left heart auxiliary device according to claim 6, characterized in that: the motor (40) is a stepping motor, the motor (40) is electrically connected with the control system (60), and the control system (60) comprises a power module II (61), a speed regulation module (62) and a control module (63) which are integrated into a whole.
8. The dispensing tool for manufacturing the left heart auxiliary device according to claim 1, characterized in that: the posture adjusting mechanism comprises a support (70) and a clamp (80), the support (70) comprises a first handle rod (72) hinged to a support through a hinged shaft (71), the first handle rod (72) is connected with the clamp (80) through a universal ball head, the support comprises a second handle rod (73) hinged to the hinged shaft (71) and a fixing seat (74) fixedly connected with the base (10), and the second handle rod (73) is connected with the fixing seat (74) through the universal ball head.
9. The dispensing tool for manufacturing the left heart auxiliary device according to claim 8, characterized in that: the first handle rod (72) and the second handle rod (73) are in threaded connection with the hinge shaft (71), and locking structures are arranged between the first handle rod (72) and the clamp (80) and between the second handle rod (73) and the fixed seat (74).
10. A dispensing tool for manufacturing a left heart auxiliary device according to claim 8 or 9, characterized in that: the clamp (80) is a crab clamp.
CN202122458069.7U 2021-10-12 2021-10-12 Dispensing tool for manufacturing left heart auxiliary device Active CN216605922U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202122458069.7U CN216605922U (en) 2021-10-12 2021-10-12 Dispensing tool for manufacturing left heart auxiliary device
DE202022100025.5U DE202022100025U1 (en) 2021-10-12 2022-01-03 Dosing device for the manufacture of a blood pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122458069.7U CN216605922U (en) 2021-10-12 2021-10-12 Dispensing tool for manufacturing left heart auxiliary device

Publications (1)

Publication Number Publication Date
CN216605922U true CN216605922U (en) 2022-05-27

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CN202122458069.7U Active CN216605922U (en) 2021-10-12 2021-10-12 Dispensing tool for manufacturing left heart auxiliary device

Country Status (2)

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CN (1) CN216605922U (en)
DE (1) DE202022100025U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113731756A (en) * 2021-10-12 2021-12-03 安徽通灵仿生科技有限公司 Dispensing tool for manufacturing heart auxiliary device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117899349B (en) * 2024-03-18 2024-06-04 生命盾医疗技术(苏州)有限公司 Ventricular assist device control method and device, electronic equipment and storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113731756A (en) * 2021-10-12 2021-12-03 安徽通灵仿生科技有限公司 Dispensing tool for manufacturing heart auxiliary device

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Publication number Publication date
DE202022100025U1 (en) 2022-01-24

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