CN219480280U - Bone marrow enrichment device - Google Patents
Bone marrow enrichment device Download PDFInfo
- Publication number
- CN219480280U CN219480280U CN202320547833.4U CN202320547833U CN219480280U CN 219480280 U CN219480280 U CN 219480280U CN 202320547833 U CN202320547833 U CN 202320547833U CN 219480280 U CN219480280 U CN 219480280U
- Authority
- CN
- China
- Prior art keywords
- bone marrow
- inner cavity
- enrichment
- storage container
- piston assembly
- 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.)
- Active
Links
Landscapes
- Prostheses (AREA)
Abstract
The utility model discloses a bone marrow enrichment device, which comprises a bone marrow storage container, wherein a piston assembly is arranged in the bone marrow storage container, a mouth of the bone marrow storage container is connected with a bone marrow collecting pipe and a bone marrow discharging pipe through a three-way valve, a connecting pipe loop of the bone marrow discharging pipe is provided with an enrichment container, and one-way valves are respectively arranged on the pipe loop and positioned at two sides of the enrichment container; when the three-way valve is in the first gear, the inner cavity of the bone marrow collecting pipe is communicated with the inner cavity of the bone marrow storing container; when the three-way valve is in the second gear, the inner cavity of the bone marrow collecting tube is communicated with the inner cavity of the enriching container. The bone marrow enrichment device has simple structure and low manufacturing cost, and particularly compared with the existing structure, the piston assembly in the enrichment device is simpler, and is particularly convenient for cleaning and replacing all parts; when in use, the bone marrow collecting tube and the needle tube thereof can be flexibly, easily and rapidly operated by a single hand to extract bone marrow at the corresponding position, which is very convenient.
Description
Technical Field
The utility model relates to an orthopedic instrument, in particular to a bone marrow enrichment device.
Background
The activity problem of the bone grafting material for orthopaedics is always a hot spot of the current orthopaedics clinic and new product research and development, and the allogeneic bone also remarkably loses the osteogenic activity while removing the immunogen. The selective cell retention technology is adopted to concentrate and adsorb active components such as nucleated cells, bone marrow stem cells, osteogenic factors and the like in bone marrow on bone grafting materials, so that allogeneic bones or other artificially synthesized bone grafting materials regain higher osteogenic activity. However, conventional bone marrow enrichment techniques require the acquisition of sufficient amounts of bone marrow by multipoint bone marrow aspiration, which both causes new trauma and increases the procedure time.
Because the bone marrow oozing out in the nail placement drilling and bone grafting bed preparation process of the spinal surgery is more, it is necessary to design a device for recovering and enriching the oozed bone marrow in the nail placement process and the bone grafting wound surface in the operation, so that the bone marrow puncture wound can be reduced, and the operation time can be saved.
The prior art discloses an enrichment device, enrichment container detachable is connected with enrichment section of thick bamboo, and the piston is connected with the push rod, and the piston is established in enrichment section of thick bamboo, and the push rod is used for promoting the piston and removes in enrichment section of thick bamboo, and the both ends of circulating pipe are connected with the front end and the rear end of enrichment section of thick bamboo respectively, have flow channel on the piston, are equipped with first check valve in the flow channel, and enrichment container is equipped with the second check valve, and the flow direction of first check valve and second check valve control is unanimous. When in use, firstly, the artificial bone is placed in the enrichment vessel, then the enrichment vessel is installed on the enrichment cylinder, the needle tube is inserted into the connecting part of the front cylinder, then the bone marrow is directly extracted from the human body, the circulation tube is inserted back after the extraction is finished, and then the push rod is pushed and pulled. However, the use of such an concentrator involves at least two spigots and withdrawals of the circulation tube, the structure of which is to be further modified to optimize the ease of operation thereof. More critically, the internal structure of such an concentrator is complex, with the problem of difficult cleaning and replacement.
Disclosure of Invention
At least in order to solve the technical problems mentioned in the background art, the utility model provides a bone marrow enrichment device.
The utility model adopts the following technical scheme.
The bone marrow enrichment device comprises a bone marrow storage container, wherein a piston assembly is arranged in the bone marrow storage container, a mouth of the bone marrow storage container is connected with a bone marrow collecting pipe and a bone marrow discharging pipe through a three-way valve, a bone marrow discharging pipe is connected with a pipe loop, an enrichment container is arranged on the pipe loop, and one-way valves are respectively arranged on two sides of the enrichment container on the pipe loop; when the three-way valve is in the first gear, the inner cavity of the bone marrow collecting pipe is communicated with the inner cavity of the bone marrow storing container; when the three-way valve is in the second gear, the inner cavity of the bone marrow collecting tube is communicated with the inner cavity of the enriching container.
Further, when the three-way valve is in the second gear and the piston assembly moves downwards, bone marrow in the inner cavity of the bone marrow storage container flows to the inner cavity of the enrichment container through the first one-way valve by the bone marrow discharging pipe; when the three-way valve is in the second gear and the piston assembly moves upwards, bone marrow in the cavity of the bone marrow storage container flows back to the cavity of the bone marrow storage container through the second one-way valve and the bone marrow discharging pipe.
In order to collect bone marrow more conveniently, the bone marrow storage container is externally connected with a negative pressure adsorption system.
In order to realize the enrichment of bone marrow more easily and conveniently, a supporting piece is arranged on the outer wall of the bone marrow storage container, a spring is arranged on the supporting piece, and the upper end of the spring abuts against a pressing part of the piston assembly; when the piston assembly is forced to move downwards, the spring is pressed to store energy, and after the force applied to the piston assembly is removed, the piston assembly is reset under the action of the spring.
Preferably, the support member adopts a rod body structure with a bending part, the bending part of the support member is transversely and fixedly connected with the bone marrow storage container, the spring is sleeved on the support member, a through hole is formed in the pressing part of the piston assembly and located right above the support member, and the support member can pass through the through hole.
Preferably, the supporting piece adopts a supporting plate, the supporting piece is transversely connected to the outer wall of the bone marrow storage container, and the lower end of the spring is connected with the supporting piece.
Preferably, a filter screen is provided in the enrichment vessel, and a space below the filter screen is used for accommodating the artificial bone material.
In order to more conveniently take out the enrichment material (the orthopedics bone grafting material enriched with active components), the inner cavity of the enrichment container is in a frustum structure.
The beneficial effects are that: the three-way valve is firstly adjusted to a first gear, at the moment, the inner cavity of the bone marrow collecting pipe is communicated with the inner cavity of the bone marrow storing container, the bone marrow discharging pipe is not communicated with the inner cavity of the bone marrow collecting pipe, then the needle tube is connected to the tail end of the bone marrow collecting pipe, the needle tube is inserted into the bone marrow collecting part, and then a negative pressure adsorption system or a drawing piston component is started to suck the bone marrow into the inner cavity of the bone marrow storing container; after the bone marrow collection is completed, the three-way valve is regulated to a first gear, at the moment, the inner cavity of the bone marrow collection pipe is communicated with the inner cavity of the enrichment container, the inner cavity of the bone marrow collection pipe is not communicated with the inner cavity of the bone marrow storage container, then the piston assembly is pressed down (namely, the piston assembly is controlled to move downwards), and bone marrow in the inner cavity of the bone marrow storage container is injected into the inner cavity of the enrichment container through the bone marrow discharge pipe and the first one-way valve; and then, pulling the piston assembly (namely controlling the piston assembly to move upwards) or directly withdrawing the acting force applied to the pressing part (the piston assembly moves upwards to reset under the action of the spring), and pulling the bone marrow in the inner cavity of the enrichment container to the bone marrow storage container again although the filtered bone marrow is filtered, and repeatedly pulling the piston assembly and pushing the piston assembly downwards until the artificial bone material is taken out after enrichment is completed.
The bone marrow enrichment device has simple structure and low manufacturing cost, and particularly compared with the existing structure, the piston assembly in the enrichment device is simpler, and is particularly convenient for cleaning and replacing all parts; when in use, the bone marrow collecting tube and the needle tube thereof can be flexibly, easily and rapidly operated by a single hand to extract bone marrow at the corresponding position, which is very convenient.
Drawings
FIG. 1 is a schematic diagram of a bone marrow enrichment device in example 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1, a bone marrow enrichment device comprises a bone marrow storage container 1, wherein a piston assembly 2 is arranged in the bone marrow storage container 1, a mouth 3 of the bone marrow storage container 1 is connected with a bone marrow collecting pipe 4 and a bone marrow discharging pipe 5 through a three-way valve 15, the bone marrow discharging pipe 5 is connected with a pipe loop 6, an enrichment container 7 is arranged on the pipe loop 6, and one-way valves are respectively arranged on the pipe loop 6 and positioned on two sides of the enrichment container 7; when the three-way valve 15 is in the first gear, the inner cavity of the bone marrow collecting pipe 4 is communicated with the inner cavity of the bone marrow storing container 1; when the three-way valve 15 is in the second gear, the inner cavity of the bone marrow collecting tube 4 is communicated with the inner cavity of the enrichment vessel 7.
When the three-way valve 15 is in the second gear and the piston assembly 2 moves downwards, bone marrow in the inner cavity of the bone marrow storage container 1 flows to the inner cavity of the enrichment container 7 through the first one-way valve 10 by the bone marrow discharging pipe 5; when the three-way valve 15 is in the second gear and the piston assembly 2 moves up, bone marrow in the cavity of the bone marrow storage container 1 flows back to the cavity of the bone marrow storage container 1 through the second one-way valve 11 and the bone marrow discharge tube 5. The interface 13 of the bone marrow storage container 1 is externally connected with a negative pressure adsorption system.
A supporting piece 8 is arranged on the outer wall of the bone marrow storage container 1, a spring 9 is arranged on the supporting piece 8, and the upper end of the spring 9 abuts against a pressing part of the piston assembly 2; when the piston assembly 2 moves downwards under the action of force, the spring 9 is pressed to store energy, and after the force applied to the piston assembly 2 is removed, the piston assembly 2 is restored under the action of the spring 9. In this embodiment, the support member 8 adopts a rod structure with a bending portion, the bending portion of the support member 8 is transversely and fixedly connected with the bone marrow storage container 1, the spring 9 is sleeved on the support member 8, a through hole is formed in the pressing portion of the piston assembly 2 and located right above the support member 8, and the support member 8 can pass through the through hole.
In this embodiment, a filter screen 12 is disposed in the enrichment vessel 7, and a space below the filter screen 12 is used for accommodating an artificial bone material 14, and an inner cavity of the enrichment vessel 7 has a frustum-shaped structure.
Examples
A bone marrow enrichment device, referring to example 1, which is mainly different from example 1 in that: the support piece 8 adopts the backup pad, and support piece 8 transverse connection is at bone marrow storage container 1 outer wall, and support piece 8 is connected to the spring 9 lower extreme of at least two symmetrical arrangement, and the pressing part of piston assembly 2 is connected to every spring 9 upper end.
Examples
A bone marrow enrichment device, referring to example 1, which is mainly different from example 1 in that: the support piece 8 adopts annular backup pad, and support piece 8 transverse connection is at bone marrow storage container 1 outer wall, and spring 9 cover is established on bone marrow storage container 1, and support piece 8 is connected to spring 9 lower extreme.
When in use, the artificial bone material is arranged in the inner cavity of the enrichment vessel 7 in advance, the filtering piece 12 is placed, the three-way valve 15 is firstly adjusted to a first gear, at this time, the inner cavity of the bone marrow collecting tube 4 is communicated with the inner cavity of the bone marrow storing vessel 1, the bone marrow discharging tube 5 is not communicated with the inner cavity of the bone marrow collecting tube 4, then the needle tube is connected with the tail end of the bone marrow collecting tube 4, then the needle tube is inserted into the bone marrow collecting part, then the negative pressure adsorption system or the drawing piston component 2 is started, and the bone marrow is sucked into the inner cavity of the bone marrow storing vessel 1 (the number 16 in fig. 1 represents the collected bone marrow); after the bone marrow collection is completed, the three-way valve 15 is adjusted to a first gear, at the moment, the inner cavity of the bone marrow collection pipe 4 is communicated with the inner cavity of the enrichment vessel 7, the inner cavity of the bone marrow collection pipe 4 is not communicated with the inner cavity of the bone marrow storage vessel 1, then the piston assembly 2 is pressed down (namely, the piston assembly 2 is controlled to move downwards), and the bone marrow in the inner cavity of the bone marrow storage vessel 1 is injected into the inner cavity of the enrichment vessel 7 through the bone marrow discharge pipe 5 and the first one-way valve 10; subsequently, the piston assembly 2 is pulled (i.e. the piston assembly 2 is controlled to move upwards) or the acting force applied to the pressing part is directly withdrawn (the piston assembly 2 moves upwards and is reset under the action of the spring), the bone marrow in the inner cavity of the enrichment vessel 7 is pumped again to the bone marrow storage vessel 1 despite the filtered bone marrow, and the piston assembly 2 is pulled and the piston assembly 2 is pushed down repeatedly in this way until the artificial bone material is taken out after the enrichment is completed.
Under the condition of ensuring the enrichment effect of the active ingredients of the bone marrow, the bone marrow enrichment device has simple structure and low manufacturing cost, and particularly, compared with the existing structure, the piston assembly in the enrichment device is simpler, and is particularly convenient for cleaning and replacing all parts; when in use, the bone marrow collecting tube and the needle tube thereof can be flexibly, easily and rapidly operated by a single hand to extract bone marrow at the corresponding position, which is very convenient.
Claims (6)
1. Bone marrow enrichment device, including bone marrow storage container (1), be provided with piston assembly (2), its characterized in that in bone marrow storage container (1): the mouth (3) of the bone marrow storage container (1) is connected with the bone marrow collecting pipe (4) and the bone marrow discharging pipe (5) through a three-way valve (15), the bone marrow discharging pipe (5) is connected with the pipe loop (6), the pipe loop (6) is provided with the enrichment container (7), and the two sides of the enrichment container (7) on the pipe loop (6) are respectively provided with the one-way valve; when the three-way valve (15) is in a first gear, the inner cavity of the bone marrow collecting pipe (4) is communicated with the inner cavity of the bone marrow storing container (1); when the three-way valve (15) is in the second gear, the inner cavity of the bone marrow collecting pipe (4) is communicated with the inner cavity of the enrichment vessel (7); a supporting piece (8) is arranged on the outer wall of the bone marrow storage container (1), a spring (9) is arranged on the supporting piece (8), and the upper end of the spring (9) abuts against a pressing part of the piston assembly (2); when the piston assembly (2) moves downwards under the action of force, the spring (9) is pressed to store energy, and after the force applied to the piston assembly (2) is removed, the piston assembly (2) is reset under the action of the spring (9); the support piece (8) adopts a rod body structure with a bending part, the bending part of the support piece (8) is transversely and fixedly connected with the bone marrow storage container (1), the spring (9) is sleeved on the support piece (8), a through hole is formed in the pressing part of the piston assembly (2) and located right above the support piece (8), and the support piece (8) can penetrate through the through hole.
2. The bone marrow enrichment device according to claim 1, wherein: when the three-way valve (15) is in the second gear and the piston assembly (2) moves downwards, bone marrow in the inner cavity of the bone marrow storage container (1) flows to the inner cavity of the enrichment container (7) through the first one-way valve (10) by the bone marrow discharge pipe (5); when the three-way valve (15) is in the second gear and the piston assembly (2) moves upwards, bone marrow in the inner cavity of the bone marrow storage container (1) flows back to the inner cavity of the bone marrow storage container (1) through the second one-way valve (11) and the bone marrow discharge pipe (5).
3. The bone marrow enrichment device according to claim 1 or 2, wherein: the bone marrow storage container (1) is externally connected with a negative pressure adsorption system.
4. A bone marrow enrichment device according to claim 3, wherein: the supporting piece (8) adopts a supporting plate, the supporting piece (8) is transversely connected to the outer wall of the bone marrow storage container (1), and the lower end of the spring (9) is connected with the supporting piece (8).
5. The bone marrow enrichment device according to claim 4, wherein: a filter screen (12) is arranged in the enrichment vessel (7), and a space below the filter screen (12) is used for containing artificial bone materials (14).
6. The bone marrow enrichment device according to claim 5, wherein: the inner cavity of the enrichment vessel (7) is in a frustum structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547833.4U CN219480280U (en) | 2023-03-20 | 2023-03-20 | Bone marrow enrichment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320547833.4U CN219480280U (en) | 2023-03-20 | 2023-03-20 | Bone marrow enrichment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219480280U true CN219480280U (en) | 2023-08-08 |
Family
ID=87508788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320547833.4U Active CN219480280U (en) | 2023-03-20 | 2023-03-20 | Bone marrow enrichment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219480280U (en) |
-
2023
- 2023-03-20 CN CN202320547833.4U patent/CN219480280U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220296801A1 (en) | Liposuction device and use thereof | |
| DE69534405T2 (en) | APPARATUS FOR OBTAINING AUTOMATED, MICROVASCULAR ENDOTHELIAL CELLS CONTAINING FAT TISSUE | |
| US20100307950A1 (en) | Method for harvesting fat cells from a fat-fluid mixture | |
| CN110342144B (en) | Machine for automatically destroying and classifying medical waste and using method | |
| CN209269754U (en) | A kind of grafting device improving autologous fat survival rate | |
| CN219480280U (en) | Bone marrow enrichment device | |
| CN111643096A (en) | Be used for scale pig farm African swine fever virus sample blood collection system | |
| CN112171727A (en) | Stem leaf separator for chinese mugwort grass | |
| EP2459245B1 (en) | Device for extracting blood from the placenta and/or umbilical cord | |
| CN210340886U (en) | Trace bone marrow circulation enrichment device | |
| CN201453418U (en) | Bone marrow concentrator | |
| CN208659485U (en) | The therapeutic device of galactapostema | |
| KR200327374Y1 (en) | Mesh piston for fat aspiration, injection and centrifugation | |
| CN209678754U (en) | A kind of improved micropin hair transplant plantation needle | |
| CN202982795U (en) | Quantitative transplanting device for self purified fat | |
| CN112494110A (en) | Semi-automatic parathyroid homogenizer | |
| CN108014529B (en) | Peritoneal dialysis waste liquid treatment device | |
| CN202409612U (en) | Negative pressure blood collector for obstetrics and gynecology department | |
| CN219331669U (en) | Protective infectious disease blood sample collection device | |
| CN219251129U (en) | Device for automatically collecting ascites of mice | |
| CN212790508U (en) | Fat collection bag for filtering fat blood | |
| CN209074635U (en) | A kind of medical automatic blood collecting device | |
| CN215534865U (en) | Porous autologous bone marrow transplantation puncture needle | |
| CN213407301U (en) | High-pressure injector adjusting structure | |
| CN114377811B (en) | Extraction processing device convenient to draw natural rubber from periploca sepium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |