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Multipurpose platelet plasma preparation device

A technology for preparing devices and platelets, applied in liquid separation, chemical instruments and methods, and separation of immiscible liquids, etc., can solve problems such as easy shaking, insufficient platelet concentration, and easy deformation of threaded joints to ensure fixity Effect

Active Publication Date: 2021-10-26
伯格曼(江苏)医疗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN201920333426.7 discloses a platelet-rich plasma separation and extraction kit, which can prevent the plasma from being polluted by contact with the external environment, without the need for a fully automatic platelet separator, but the bottom of the syringe is directly threaded with the top of the tube for blood collection, so that The upper part of the syringe is not fixed. During blood collection and separation, the syringe needs to be pushed and pulled up and down. The upper part of the syringe is easy to shake, resulting in deformation of the threaded connection between the bottom of the syringe and the tube, and the possibility of falling off. and during blood collection, usually only a single tube of blood can be collected, and the blood collection efficiency is not good. When there are many needs for blood collection, the suit needs to be pulled out, and another suit is inserted for blood collection, which greatly reduces the comfort of the patient. After centrifugation, the blood will be divided into three layers, the upper layer is serum, the middle layer is light yellow thin layer (platelets), and the lower layer is red blood cells. During extraction, some red blood cells and thin layers will flow along the inner tube Into the syringe, the quality of the extracted platelet-rich plasma is poor, and the concentration of platelets cannot reach the 1000*10 required in the "National Expert Consensus on the Application of Concentrated Platelet Products in Wound Repair (2020 Edition)" 9 The standard of individual / ml influences the effect of treatment, therefore, urgently need those skilled in the art to design a kind of new platelet-rich plasma preparation device

Method used

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  • Multipurpose platelet plasma preparation device
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  • Multipurpose platelet plasma preparation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: A multi-purpose platelet plasma preparation device, including a multi-purpose separation and injection component 1, a blood collection and storage component 2, a two-way limit mechanism 3, a pure serum filtration unit 4, a mixed platelet serum collection and storage component 7, and a mixed platelet serum filter Unit 8, the two-way limit mechanism 3 is provided with at least two groups, the piston member at the inner end of the mixed platelet serum collection and storage assembly 7 is fixedly connected to one end of the two-way limit mechanism 3, and the inner end of the two-way limit mechanism 3 is sleeved There is a separation injection assembly 1 and it is connected in a rotating and separating manner. The connection seat at the end of the multi-purpose separating injection assembly 1 is connected to the injection head assembly 6 in a rotating and separating manner. The pure serum filter unit 4 is fixed on the multi-purpose separating injection The botto...

Embodiment 2

[0032] Embodiment 2: The multi-purpose separation injection assembly 1 includes an inner piston barrel 101, a stopper rod 102, a primary piston 103, a primary connecting seat 104, and an inner tube 105. The inner piston barrel 101 is provided with a primary piston 103, One end of the stopper rod 102 is connected to the primary piston 103, the bottom of the inner piston cylinder 101 is provided with a primary connection seat 104, and the outer edge of the primary connection seat 104 is provided with a thread positioning protrusion 106, and the primary connection The inner end of the seat 104 is provided with an inner tube 105 communicating with the inner piston barrel 101, and the inner wall of the inner tube 105 is provided with a relief thread groove 107, and the rest of the technical solutions are the same as the first embodiment.

Embodiment 3

[0033] Embodiment 3: The blood collection and storage assembly 2 includes an outer piston cylinder 201, a secondary piston 202, a secondary connecting seat 203, and a seat plug 204. The external piston cylinder 201 is provided with a secondary piston 202, and the external piston cylinder 201 is provided with a secondary piston 202. The bottom of the 201 is provided with a secondary connection seat 203, and the secondary connection seat 203 is provided with a threaded relief groove 205, and the threaded relief groove 205 is connected to the convex part outside the seat plug 204 in a rotating and separate manner so as to connect the secondary The connection seat 203 is socketed in the seat plug 204, and other technical solutions are the same as those in the first or second embodiment.

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Abstract

The invention discloses a multipurpose platelet plasma preparation device, and relates to the technical field of platelet plasma preparation. The device comprises a multipurpose separation injection assembly, a blood collection and storage assembly, a bidirectional limiting mechanism, a pure serum filtering unit, a mixed platelet serum collection and storage assembly and a mixed platelet serum filtering unit. The bidirectional limiting mechanism can fix a piston piece at the inner end of the mixed platelet serum collection and storage assembly and the separation injection assembly in a two-way mode. When the separation injection assembly is pushed and pulled up and down, the upper end of an inner piston barrel is sleeved with the bidirectional limiting mechanism, so that the inner piston barrel cannot shake during pushing and pulling. The piston piece at the inner end of the collection and storage assembly is not directly connected with the separation injection assembly, so that the possibility of falling is avoided. Erythrocytes mixed in the mixed platelet serum collection and storage assembly are filtered and removed, and serum containing a small amount of free platelets mixed in the multipurpose separation injection assembly is filtered and removed, so that the quality of extracted platelet-rich plasma is effectively guaranteed.

Description

technical field [0001] The invention relates to the technical field of platelet plasma preparation, in particular to a multipurpose platelet plasma preparation device. Background technique [0002] Platelet-rich plasma (Platelet-rich plasma, referred to as PRP) is a platelet concentrate obtained from autologous whole blood after centrifugation. PRP contains a large number of growth factors and proteins, and has the advantages of being able to accurately self-locate to the injury site and control inflammation. It can promote the regeneration of cells and tissues from different aspects, thereby accelerating the repair of damaged tissues, and is widely used in clinics, such as the repair of bone and joints, the repair of large areas of burned skin, and medical aesthetic plastic surgery. CN201920333426.7 disclosure developed a platelet-rich plasma separation and extraction kit, which can prevent the plasma from being polluted by contact with the external environment, without the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D17/038B01D17/02
CPCB01D17/0217B01D17/02
Inventor 潘海波陈怡
Owner 伯格曼(江苏)医疗科技有限公司