CN113171502B - Processing apparatus for blood marrow collection - Google Patents
Processing apparatus for blood marrow collection Download PDFInfo
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- CN113171502B CN113171502B CN202110441345.0A CN202110441345A CN113171502B CN 113171502 B CN113171502 B CN 113171502B CN 202110441345 A CN202110441345 A CN 202110441345A CN 113171502 B CN113171502 B CN 113171502B
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- cylinder
- block
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- needle
- limiting
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- 210000004369 blood Anatomy 0.000 title claims abstract description 23
- 239000008280 blood Substances 0.000 title claims abstract description 23
- 238000005381 potential energy Methods 0.000 claims abstract description 10
- 210000001185 bone marrow Anatomy 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 2
- 208000032839 leukemia Diseases 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010322 bone marrow transplantation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a processing device for blood and marrow collection, which comprises a needle cylinder and a needle head, wherein the bottom of the needle cylinder is fixedly connected with the needle head, a limiting cylinder is fixedly arranged at the axis inside the needle cylinder and is communicated with the needle head, a supporting block is inserted in the needle cylinder in a sliding manner and is sleeved with the outer side of the limiting cylinder in a sliding manner, and the supporting block and the limiting cylinder are coaxial, a cylindrical block is movably clamped with the clamping block through a clamping groove, the clamping block inside the fixing ring rotates by rotating the fixing ring, the clamping block is separated from the cylindrical block in a clamping manner, when the clamping block is separated from the cylindrical block in the clamping manner, the elastic potential energy of a spring drives the spring to restore the original state, an inserted rod is driven by a lower ring to stretch so as to slide out from the inside of the limiting cylinder, and because a circular roller in threaded connection with the bottom of the inserted rod is a whole, the circular rollers synchronously move, the blood and marrow can be extracted, thereby the suction is convenient and fast, and the inserted link is in threaded connection with the round roller, so the replacement is convenient.
Description
Technical Field
The invention belongs to the field of medical collection and treatment devices, and particularly relates to a treatment device for blood and bone marrow collection.
Background
As the medical level progresses, more and more diseases become thoroughly cured, among which leukemia, called leukemia, can be thoroughly cured by bone marrow transplantation, in which the first step is to perform bone marrow harvesting.
The existing device for extracting the side blood marrow is complex when in use and is not convenient for doctors to use, and therefore, the blood marrow is collected and used.
Disclosure of Invention
The present invention provides a blood and bone marrow collection treatment device which can be used by medical staff conveniently and can replace parts conveniently.
In order to achieve the purpose, the invention provides the following technical scheme: a treatment device for blood and bone marrow collection comprises a needle cylinder and a needle head, wherein the bottom of the needle cylinder is fixedly connected with the needle head, a limiting cylinder is fixedly installed at the inner axis of the needle cylinder and is communicated with the needle head, a supporting block is inserted in the needle cylinder in a sliding manner and is sleeved with the outer side of the limiting cylinder in a sliding manner, the supporting block and the limiting cylinder are coaxial, a fixing ring is rotatably sleeved at the top of the supporting block, a clamping block is rotatably and symmetrically connected with the inner center of the fixing ring in a rotating manner, an inserting rod is inserted in the limiting cylinder in a sliding manner, a cylindrical block is fixedly installed at the top end of the inserting rod and movably clamped with the clamping block, an upper ring and a lower ring are symmetrically sleeved at the outer side of the inserting rod, the upper ring is fixedly connected with the top end of the limiting cylinder, the lower ring is rotatably clamped with the inserting rod, a spring is sleeved at the outer side of the inserting rod, and two ends of the spring are respectively and fixedly connected with the upper ring and the lower ring, the inside sliding connection of syringe needle has the round roller, and round roller and inserted bar threaded connection, the location head has been cup jointed in the outside of syringe needle.
Preferably, the top inner side of the round roller is provided with a spiral groove, the outer side of the bottom of the inserted bar is externally provided with a thread, and the round roller and the inserted bar are connected through mutual rotation meshing between the spiral groove and the thread.
Preferably, the elastic potential energy of the spring is greater than the friction force between the inserted rod and the inner wall of the limiting cylinder.
Preferably, the outer side of the limiting cylinder is symmetrically and fixedly provided with four limiting blocks at equal intervals, and the limiting cylinder is slidably clamped with the supporting blocks through the limiting blocks.
Preferably, four groups of support plates are fixedly connected to the outer side of the axis of the support block at equal intervals, and the support plates are in sliding extrusion contact with the inner wall of the needle cylinder.
Preferably, the top of the supporting block is symmetrically and fixedly connected with a limiting rod, and the limiting rod penetrates through the fixing ring and is fixedly connected with the rotating shaft of the clamping block.
Preferably, the inner side of the cylindrical block is symmetrically provided with clamping grooves, and the cylindrical block is movably clamped with the clamping blocks through the clamping grooves.
Preferably, the outer side of the bottom of the needle cylinder is provided with frosted lines.
Preferably, the needle head, the positioning head and the bottom of the round roller are all arranged in an inclined tangent plane.
Preferably, a thread groove is formed in the outer side of the inserted rod, a nut is fixedly mounted at one end, close to the upper ring, of the limiting cylinder, the nut is rotatably sleeved on the outer side of the inserted rod, and the nut is in threaded connection with the thread groove formed in the outer side of the inserted rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the cylinder block on the invention is movably clamped with the clamping block through the clamping groove, the spring is in a stretching state at the moment, the inserted link is completely arranged in the limiting cylinder, the doctor holds the frosted part of the needle cylinder to aim at the part to be pricked to perform the pricking, the fixing ring is rotated after the pricking, so that the clamping block in the fixing ring is rotated, the clamping block is separated from the cylinder block in the rotating process of the clamping block, the spring is driven to restore the original state by the elastic potential energy of the spring when the clamping block is separated from the cylinder block, and the upper ring and the lower ring are respectively fixed on the limiting cylinder and the inserted link, so the inserted link is driven by the lower ring to stretch and slide out from the limiting cylinder, and the circular roller in threaded connection with the bottom of the inserted link is a whole body, therefore, when the blood marrow is slid out, the round rollers synchronously move, blood marrow is extracted under the action of atmospheric pressure, so that the suction is convenient and quick, and the insertion rod is in threaded connection with the round rollers, so that the replacement is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded perspective view of the present invention;
FIG. 3 is a schematic overall sectional structure of the present invention;
FIG. 4 is an enlarged view of FIG. 3 at A according to the present invention;
FIG. 5 is an enlarged view of FIG. 3 at B in accordance with the present invention;
in the figure: 1. a needle cylinder; 2. a needle head; 3. a limiting cylinder; 4. a support block; 5. a fixing ring; 6. a clamping block; 7. inserting a rod; 8. a cylindrical block; 9. ring fitting; 10. a lower ring; 11. a spring; 12. a round roller; 13. positioning the head; 14. a limiting block; 15. a support plate; 16. a limiting rod; 17. a card slot; 18. a thread groove; 19. and a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
First, a processing apparatus for collecting blood and bone marrow according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 5.
A processing device for blood and bone marrow collection comprises a needle cylinder 1 and a needle head 2, wherein the bottom of the needle cylinder 1 is fixedly connected with the needle head 2, a limiting cylinder 3 is fixedly installed at the inner axis of the needle cylinder 1, the limiting cylinder 3 is communicated with the needle head 2, a supporting block 4 is inserted in the needle cylinder 1 in a sliding manner, the supporting block 4 is sleeved with the outer side of the limiting cylinder 3 in a sliding manner, the supporting block 4 and the limiting cylinder 3 are coaxial, a fixing ring 5 is rotatably sleeved at the top of the supporting block 4, clamping blocks 6 are rotatably and symmetrically connected with the inner center of the fixing ring 5 in a central manner, an inserting rod 7 is inserted in the limiting cylinder 3 in a sliding manner, a cylindrical block 8 is fixedly installed at the top end of the inserting rod 7, the cylindrical block 8 is movably clamped with the clamping blocks 6, an upper ring 9 and a lower ring 10 are symmetrically sleeved at the outer side of the inserting rod 7, the upper ring 9 is fixedly connected with the top end of the limiting cylinder 3, and the lower ring 10 is rotatably clamped with the inserting rod 7, spring 11 has been cup jointed in the outside of inserted bar 7, and spring 11's both ends respectively with last ring 9 and lower ring 10 fixed connection, 2 inside sliding connection of syringe needle have a round roller 12, and round roller 12 and inserted bar 7 threaded connection, the location head 13 has been cup jointed in the outside of syringe needle 2. A
When the device is in an initial state, the cylindrical block 8 is movably clamped with the clamping block 6 through the clamping groove 17, the spring 11 is in a stretching state at the moment, the inserted rod 7 is completely inside the limiting cylinder 3, a doctor holds the frosted part of the needle cylinder 1 to aim at the part needing to be pricked, after the inserted rod is pricked, the fixing ring 5 is rotated, so that the clamping block 6 inside the fixing ring 5 rotates, in the rotating process of the clamping block 6, the clamping block 6 is separated from the clamping connection with the cylindrical block 8, because the top of the inserted rod 7 is fixedly connected with the cylindrical block 8, and the upper ring 9 and the lower ring 10 arranged on the inserted rod 7 are respectively and fixedly connected with the limiting cylinder 3 and the inserted rod 7, when the clamping block 6 is separated from the clamping connection with the cylindrical block 8, the elastic potential energy of the spring 11 can drive the spring 11 to recover the original state, and the upper ring 9 and the lower ring 10 are respectively fixed on the limiting cylinder 3 and the inserted rod 7, therefore, the inserted bar 7 can be driven by the lower ring 10 to be stretched, so that the inserted bar can slide out from the inside of the limiting cylinder 3, and the round roller 12 in threaded connection with the bottom of the inserted bar 7 is a whole, so that the round roller 12 moves synchronously when sliding out, and the blood and bone marrow are extracted under the action of atmospheric pressure, so that the suction is convenient and fast, and the inserted bar 7 and the round roller 12 are in threaded connection, so that the replacement is convenient.
For integrative linkage, the thread groove has been seted up to the top inboard of circle roller 12, and is equipped with the screw thread outside the inserted bar 7 bottom outside, be connected through the mutual rotation meshing between thread groove and the screw thread between circle roller 12 and the inserted bar 7, through the rotation threaded connection between thread groove and the screw thread, consequently, it is comparatively convenient when dismantling.
In order to ensure that the device is not clamped, the elastic potential energy of the spring 11 can pull the inserted rod 7 to move upwards, and the elastic potential energy of the spring 11 is greater than the friction force between the inserted rod 7 and the inner wall of the limiting cylinder 3.
In order to make the sliding straight line location of the supporting block 4, and when sliding, there are supports all around, the outside equidistance fixed mounting of a spacing section of thick bamboo 3 has four stopper 14, and a spacing section of thick bamboo 3 passes through stopper 14 and 4 slip joint of supporting block, 4 axle center outside equidistance fixedly connected with four group's backup pads 15 of supporting block, and backup pad 15 and 1 inner wall of cylinder slip extrusion contact.
In order to limit the rotation of the clamping block 6, limiting rods 16 are symmetrically and fixedly connected to the top of the supporting block 4, the limiting rods 16 penetrate through the fixing ring 5 and are fixedly connected with a rotating shaft and a fixed shaft of the clamping block 6, clamping grooves 17 are symmetrically formed in the center of the inner side of the cylindrical block 8, and the cylindrical block 8 is movably clamped with the clamping block 6 through the clamping grooves 17.
For convenient use, the outer side of the bottom of the needle cylinder 1 is provided with frosted lines, and the bottoms of the needle head 2, the positioning head 13 and the round roller 12 are all arranged in an inclined tangent plane.
In order to prevent the extraction speed caused by the sudden rebound of the spring from being too fast, a thread groove 18 is formed in the outer side of the inserted rod 7, a nut 19 is fixedly mounted at one end, close to the upper ring 9, of the limiting cylinder 3, the nut 19 is rotatably sleeved on the outer side of the inserted rod 7, and the nut 19 is in threaded connection with the thread groove 18 formed in the outer side of the inserted rod 7.
The working principle is as follows: when the device is in an initial state, the cylindrical block 8 is movably clamped with the clamping block 6 through the clamping groove 17, the spring 11 is in a stretching state at the moment, the inserted rod 7 is completely arranged inside the limiting cylinder 3, the needle cylinder 1 is placed inside a gun, the position is adjusted, gun striking and pricking are carried out, after the pricking is carried out, the fixing ring 5 is rotated, the clamping block 6 inside the fixing ring 5 is rotated, in the rotating process of the clamping block 6, the clamping block 6 is separated from the clamping connection with the cylindrical block 8, because the top of the inserted rod 7 is fixedly connected with the cylindrical block 8, and the upper ring 9 and the lower ring 10 arranged on the inserted rod 7 are respectively and fixedly connected with the limiting cylinder 3 and the inserted rod 7, when the clamping block 6 is separated from the clamping connection with the cylindrical block 8, the elastic potential energy of the spring 11 can drive the spring 11 to restore, and the upper ring 9 and the lower ring 10 are respectively fixed on the limiting cylinder 3 and the inserted rod 7, therefore, the inserted rod 7 can be driven by the lower ring 10 to stretch, thereby follow the inside roll-off of spacing section of thick bamboo 3, and because inserted bar 7 is at the in-process of upward movement, thread groove 18 that the inserted bar 7 outside was seted up can with nut 19 threaded connection, thereby prevent because the elastic potential energy of spring 11 is too big, and the too fast phenomenon of the extraction speed that leads to takes place, because inserted bar 7 bottom threaded connection's round roller 12 is a whole, consequently, in the roll-off, round roller 12 synchronous motion, under atmospheric pressure's effect, make the extraction to blood marrow of realization, thereby make the suction comparatively convenient and fast, and because inserted bar 7 is threaded connection with round roller 12, consequently, be convenient for change.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a blood bone marrow is gathered and is used processing apparatus, includes cylinder (1) and syringe needle (2), the bottom fixedly connected with syringe needle (2) of cylinder (1), its characterized in that: a limiting cylinder (3) is fixedly installed at the position of an inner axis of a needle cylinder (1), the limiting cylinder (3) is communicated with a needle head (2), a supporting block (4) is inserted in the needle cylinder (1) in a sliding manner, the supporting block (4) is sleeved with the outer side of the limiting cylinder (3) in a sliding manner, the supporting block (4) and the limiting cylinder (3) are coaxial, a fixing ring (5) is rotatably sleeved at the top of the supporting block (4), clamping blocks (6) are symmetrically and rotatably connected to the inner center of the fixing ring (5), an inserting rod (7) is inserted in the limiting cylinder (3) in a sliding manner, a cylindrical block (8) is fixedly installed at the top end of the inserting rod (7), the cylindrical block (8) is movably clamped with the clamping blocks (6), an upper ring (9) and a lower ring (10) are symmetrically sleeved on the outer side of the inserting rod (7), the upper ring (9) is fixedly connected with the top end of the limiting cylinder (3), and the lower ring (10) is rotatably clamped with the inserting rod (7), a spring (11) is sleeved on the outer side of the inserted link (7), two ends of the spring (11) are respectively and fixedly connected with the upper ring (9) and the lower ring (10), a round roller (12) is connected inside the needle head (2) in a sliding manner, the round roller (12) is in threaded connection with the inserted link (7), and a positioning head (13) is sleeved on the outer side of the needle head (2);
the inner side of the top of the round roller (12) is provided with a spiral groove, the outer side of the bottom of the inserted rod (7) is externally provided with a thread, the round roller (12) and the inserted rod (7) are connected through the mutual rotating meshing between the spiral groove and the thread, the elastic potential energy of the spring (11) is greater than the friction force between the inserted rod (7) and the inner wall of the limiting cylinder (3), the inner side of the cylindrical block (8) is symmetrically provided with a clamping groove (17), and the cylindrical block (8) is movably clamped with the clamping block (6) through the clamping groove (17);
the device is in an initial state, the cylinder block (8) is movably clamped with the clamping block (6) through the clamping groove (17), the spring (11) is in a stretching state, the inserted link (7) is completely arranged inside the limiting cylinder (3), a doctor holds the frosted part of the needle cylinder (1) to aim at the part to be pricked, the fixing ring (5) is rotated after the needle cylinder is pricked, so that the clamping block (6) inside the fixing ring (5) rotates, the clamping block (7) is separated from the clamping connection with the cylinder block (8) in the rotating process of the clamping block (6), as the top of the inserted link (7) is fixedly connected with the cylinder block (8), and the upper ring (9) and the lower ring (10) arranged on the inserted link (7) are respectively and fixedly connected on the limiting cylinder (3) and the inserted link (7), when the clamping block (6) is separated from the cylinder block (8), the elastic potential energy of spring (11) can drive spring (11) reconversion and go up ring (9) and lower ring (10) and fix respectively on spacing section of thick bamboo (3) and inserted bar (7), consequently, inserted bar (7) can be driven by lower ring (10) and stretch to follow the inside roll-off of spacing section of thick bamboo (3), because round roller (12) of inserted bar (7) bottom threaded connection is a whole, consequently, when the roll-off, round roller (12) synchronous motion, under atmospheric pressure's effect, realize the extraction to blood marrow.
2. The processing device for blood bone marrow collection according to claim 1, wherein: the outer side of the limiting cylinder (3) is symmetrically and fixedly provided with four limiting blocks (14) in equal intervals, and the limiting cylinder (3) is in sliding clamping connection with the supporting block (4) through the limiting blocks (14).
3. The processing device for blood bone marrow collection according to claim 1, wherein: four groups of supporting plates (15) are fixedly connected to the outer side of the axis of the supporting block (4) at equal intervals, and the supporting plates (15) are in sliding extrusion contact with the inner wall of the needle cylinder (1).
4. The processing device for blood bone marrow collection according to claim 1, wherein: the top of the supporting block (4) is symmetrically and fixedly connected with a limiting rod (16), and the limiting rod (16) penetrates through the fixing ring (5) and is fixedly connected with the rotating shaft of the clamping block (6).
5. The processing device for blood bone marrow collection according to claim 1, wherein: the outer side of the bottom of the needle cylinder (1) is provided with frosted lines.
6. The processing device for blood bone marrow collection according to claim 1, wherein: the bottoms of the needle head (2), the positioning head (13) and the round roller (12) are all arranged in an inclined tangent plane.
7. The processing device for blood bone marrow collection according to claim 1, wherein: thread grooves (18) are formed in the outer side of the inserted rod (7), a nut (19) is fixedly mounted at one end, close to the upper ring (9), of the limiting barrel (3), the nut (19) is rotatably sleeved on the outer side of the inserted rod (7), and the nut (19) is in threaded connection with the thread grooves (18) formed in the outer side of the inserted rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110441345.0A CN113171502B (en) | 2021-04-23 | 2021-04-23 | Processing apparatus for blood marrow collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110441345.0A CN113171502B (en) | 2021-04-23 | 2021-04-23 | Processing apparatus for blood marrow collection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113171502A CN113171502A (en) | 2021-07-27 |
| CN113171502B true CN113171502B (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110441345.0A Expired - Fee Related CN113171502B (en) | 2021-04-23 | 2021-04-23 | Processing apparatus for blood marrow collection |
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| Country | Link |
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| CN (1) | CN113171502B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106659487A (en) * | 2014-05-19 | 2017-05-10 | 生物技术部秘书 | A non-reusable intra-osseous access device and method thereof |
| CN109199407A (en) * | 2018-08-01 | 2019-01-15 | 佛山奎丰商务咨询服务有限公司 | A kind of vascular surgery blood collection device |
| CN208838015U (en) * | 2018-04-03 | 2019-05-10 | 淮安市第二人民医院（淮安仁慈医院） | A kind of hematology's marrow puncture device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6755837B2 (en) * | 2002-09-23 | 2004-06-29 | Maxilon Laboratories, Inc. | Apparatus and method for harvesting bone |
| US8398566B2 (en) * | 2007-05-11 | 2013-03-19 | Alec S. Goldenberg | Biopsy needles |
| US10556046B2 (en) * | 2014-01-15 | 2020-02-11 | Endocellutions, Inc. | Bone marrow harvesting needle improvements |
-
2021
- 2021-04-23 CN CN202110441345.0A patent/CN113171502B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106659487A (en) * | 2014-05-19 | 2017-05-10 | 生物技术部秘书 | A non-reusable intra-osseous access device and method thereof |
| CN208838015U (en) * | 2018-04-03 | 2019-05-10 | 淮安市第二人民医院（淮安仁慈医院） | A kind of hematology's marrow puncture device |
| CN109199407A (en) * | 2018-08-01 | 2019-01-15 | 佛山奎丰商务咨询服务有限公司 | A kind of vascular surgery blood collection device |
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| CN113171502A (en) | 2021-07-27 |
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Inventor after: Jian Jimo Inventor after: He Yuren Inventor before: He Yuren |
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Effective date of registration: 20220908 Address after: No. 758, Hefei Road, Shibei District, Qingdao, Shandong Province 266011 Applicant after: QILU HOSPITAL OF SHANDONG University (QINGDAO) Address before: 2 / F, building 3, fuming Industrial Park, Zhentian South Road, Longgang District, Shenzhen, Guangdong 518000 Applicant before: He Yuren |
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Granted publication date: 20220927 |