CN220293903U - Bone marrow collecting device for orthopedic screw implantation - Google Patents
Bone marrow collecting device for orthopedic screw implantation Download PDFInfo
- Publication number
- CN220293903U CN220293903U CN202321394977.7U CN202321394977U CN220293903U CN 220293903 U CN220293903 U CN 220293903U CN 202321394977 U CN202321394977 U CN 202321394977U CN 220293903 U CN220293903 U CN 220293903U
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- China
- Prior art keywords
- bone marrow
- collecting bottle
- suction
- honeycomb duct
- bone
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- 210000001185 bone marrow Anatomy 0.000 title claims abstract description 132
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 18
- 238000002513 implantation Methods 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000000605 extraction Methods 0.000 claims abstract 2
- 210000000988 bone and bone Anatomy 0.000 claims description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000003306 harvesting Methods 0.000 claims 5
- 230000037431 insertion Effects 0.000 claims 5
- 238000003780 insertion Methods 0.000 claims 5
- 239000000463 material Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000004927 fusion Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 210000003692 ilium Anatomy 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000735 allogeneic effect Effects 0.000 description 2
- 102000004127 Cytokines Human genes 0.000 description 1
- 108090000695 Cytokines Proteins 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000001621 ilium bone Anatomy 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000011164 ossification Effects 0.000 description 1
- 210000000963 osteoblast Anatomy 0.000 description 1
- 230000002188 osteogenic effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 210000000130 stem cell Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The utility model provides a bone marrow collection device for orthopedic screw implantation, includes bone marrow collecting bottle, suction tube, the bottleneck of bone marrow collecting bottle passes through a sealing connection bone marrow honeycomb duct, in the bone marrow collecting bottle was inserted to the lower extreme of bone marrow honeycomb duct, leave the space that the air current passed through between the circumference of bone marrow honeycomb duct and the inner wall of bone marrow collecting bottle, set up an air suction nozzle on the bone marrow collecting bottle, this air suction nozzle is used for connecting air extraction device's exhaust tube, the space that is greater than 50ml volume is left apart from the chamber bottom of bone marrow collecting bottle to bone marrow honeycomb duct lower extreme, the lower extreme of bone marrow honeycomb duct sets up the filter screen, the upper end of bone marrow honeycomb duct sets up the connecting mouth, the one end of suction tube sets up a suction hood, the other end and connecting mouth sealing connection, be equipped with the via hole that supplies the opener to pass on the suction hood.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a bone marrow collecting device used in orthopedic screw implantation.
Background
Bone grafting treatment is a commonly used technique in orthopaedics, bone grafting materials are the core of bone grafting, and the bone grafting materials which are most commonly used clinically at present are autologous bones of patients. However, taking the autologous bone of the patient has the risks of pain, infection and the like in the bone taking area of the patient, and especially when the bone grafting material dosage is small in the operation process of spinal fusion and the like, a plurality of centimeters of mouths are cut, and ilium is taken as the bone grafting material, so that more wounds are caused to the patient. Bone grafting materials such as allogeneic bone, artificial synthetic bone and the like can be adopted at present to avoid taking autologous bone of a patient, but the bone non-fusion problem easily occurs due to the lack of active ingredients such as osteoblasts, factors and the like which can be absorbed by a body.
Human bone marrow contains stem cells and cytokines required for osteogenesis and is often used to increase the osteogenic activity of materials and to treat bone nonunion. Generally, about 2 to 4 cubic centimeters of bone grafting materials are needed for spinal fusion surgery, only 30ml of bone marrow is needed for enrichment, and at present, bone marrow is generally taken by puncturing ilium, but extra trauma is caused to patients by taking bone marrow by puncturing ilium.
Screws are usually placed through pedicles in spinal fusion operations and are also often implanted into bone tissues in other orthopedic operations, corresponding open tools are used for punching a pre-open nail way in the nail placing process, bone marrow flows out of the nail way in the pre-open nail way process, the single milliliters of the flowing bone marrow are different, 30-50ml of the flowing bone marrow is accumulated at multiple positions, and the flowing bone marrow is wiped off in a wiping mode at present, so that a great deal of waste of the bone marrow is caused.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides a bone marrow collecting device used in orthopedic screw implantation, which can collect bone marrow flowing out in the process of pre-opening a nail channel by a negative pressure, so as to be used for preparing bone grafting materials such as allograft bone, artificial synthetic bone and the like.
The utility model aims to achieve the purpose, and the bone marrow collecting device used in orthopedic screw imbedding operation comprises a bone marrow collecting bottle and a suction pipe, wherein the bottle mouth of the bone marrow collecting bottle is connected with a bone marrow guide pipe in a sealing way, the lower end of the bone marrow guide pipe is inserted into the bone marrow collecting bottle, a space for air flow to pass through is reserved between the circumference of the bone marrow guide pipe and the inner wall of the bone marrow collecting bottle, a suction nozzle is arranged on the bone marrow collecting bottle and is used for being connected with a suction pipe of the suction device, a space with the volume larger than 50ml is reserved between the lower end of the bone marrow guide pipe and the bottom of the cavity of the bone marrow collecting bottle, a filter screen is arranged on the lower end face of the bone marrow guide pipe, a connecting nozzle is arranged on the upper end of the bone marrow guide pipe, one end of the suction pipe is provided with a suction cover, the other end of the suction pipe is connected with the connecting nozzle in a sealing way, and a through hole for an open circuit breaker to pass through is arranged on the suction cover.
Preferably, the suction tube and the suction cover are integrally manufactured and formed by medical silica gel.
Preferably, the through hole on the suction cover is a flat hole, and the flat hole is matched with the flat head section at the front end of the open circuit device.
Preferably, the suction hood is a bell mouth, the hood top is hemispherical, the through hole for the open circuit device to pass through is arranged on the hood top, and the sectional area of the bell mouth is larger than that of the open circuit device opening on the bone.
Preferably, the bottleneck of bone marrow collecting bottle is equipped with the internal thread, and the outer wall of bone marrow honeycomb duct is equipped with the external screw thread, and bone marrow collecting bottle passes through screw-thread fit with the bone marrow honeycomb duct, the up end circumference of bone marrow honeycomb duct is equipped with the flange, be equipped with rubber seal between flange and the bottleneck of bone marrow collecting bottle.
Preferably, the outer wall of the bone marrow collecting bottle is provided with scale marks.
By adopting the technical scheme, the bone marrow collecting device for orthopedic screw imbedding comprises a bone marrow collecting bottle and a suction pipe, wherein the outer wall of the bone marrow collecting bottle is provided with scale marks for observing bone marrow collecting quantity, the bottle mouth of the bone marrow collecting bottle is connected with a bone marrow guide pipe in a sealing way, the bottle mouth of the bone marrow collecting bottle is provided with internal threads, the outer wall of the bone marrow guide pipe is provided with external threads, the bone marrow collecting bottle and the bone marrow guide pipe are matched through threads, the circumference of the upper end face of the bone marrow guide pipe is provided with a flange, a rubber sealing ring is arranged between the flange and the bottle mouth of the bone marrow collecting bottle, the bone marrow collecting bottle and the bone marrow guide pipe can form good sealing, a space through which air flows is reserved between the circumference of the bone marrow guide pipe and the inner wall of the bone marrow collecting bottle, the bone marrow collecting bottle is provided with a suction nozzle for connecting an exhaust pipe of the air suction device, the lower end of the bone marrow guide pipe is separated from the cavity bottom of the bone marrow collecting bottle by a space larger than 50ml, so that the collected bone marrow liquid level can not be contacted with the lower end of the bone marrow guide pipe, a filter screen is arranged on the lower end face of the bone marrow guide pipe, a connecting nozzle is arranged on the upper end of the bone marrow guide pipe and used for connecting a suction pipe, a suction cover is arranged at one end of the suction pipe, the suction pipe and the suction cover are integrally manufactured by medical silica gel, the suction cover is a horn mouth, the cover top is hemispherical, a through hole for the open-circuit device to pass through is arranged at the cover top, the sectional area of the horn mouth is larger than the sectional area of the open-circuit device for opening on a bone, when the suction cover covers the open-circuit device, the suction cover can completely cover the opening, so that the flowing bone marrow can be collected completely, the height of the suction cover is about 25 mm, and the open-circuit device is ensured to be opened, the deformation of the suction hood does not cause the blockage of the orifice of the suction pipe, so that bone marrow cannot be collected, the other end of the suction hood is in sealing connection with the connecting nozzle, a through hole for the open circuit device to pass through is formed in the suction hood, the through hole in the suction hood is a flat hole, the flat hole is matched with the section of the flat head at the front end of the open circuit device, and the width of the flat hole is slightly smaller than that of the flat head at the front end of the open circuit device, so that when the flat head at the front end of the open circuit device is inserted into the flat hole, the suction hood can be sealed.
The beneficial effects of the utility model are as follows:
bone marrow flowing out during pre-nailing of the nail can be collected by negative pressure suction in the orthopedic screw implantation operation, and the collected bone marrow is used for preparing bone grafting materials such as allogeneic bone, artificial synthetic bone and the like, so that the bone marrow flowing out during pre-nailing is prevented from being wasted, and extra wounds caused by puncturing ilium bone marrow of a patient are avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model with an open circuit device;
FIG. 3 is a schematic cross-sectional view of a bone marrow collection bottle and a bone marrow delivery tube of the present utility model;
FIG. 4 is a schematic top view of the suction hood of the present utility model;
FIG. 5 is a schematic cross-sectional view of a bone marrow collection bottle after completion of bone marrow collection according to the present utility model.
Detailed Description
Referring to fig. 1 to 4, a bone marrow collecting device for orthopedic screw imbedding operation comprises a bone marrow collecting bottle 7 and a suction tube 4, wherein the outer wall of the bone marrow collecting bottle 7 is provided with scale marks for observing bone marrow collecting quantity, the bottle mouth of the bone marrow collecting bottle 7 is connected with a bone marrow guide tube 5 through a sealing way, the bottle mouth of the bone marrow collecting bottle 7 is provided with internal threads, the outer wall of the bone marrow guide tube 5 is provided with external threads, the bone marrow collecting bottle 7 and the bone marrow guide tube 5 are matched through threads, the circumference of the upper end face of the bone marrow guide tube 5 is provided with a flange, a rubber sealing ring 6 is arranged between the flange and the bottle mouth of the bone marrow collecting bottle 7, the bone marrow collecting bottle 7 and the bone marrow guide tube 5 can form good sealing, a space 7-2 through which air flows is reserved between the circumference of the bone marrow guide tube 5 and the inner wall of the bone marrow collecting bottle 7, and the bone marrow collecting bottle 7 is provided with a suction nozzle 7-1. The air suction nozzle 7-1 is connected with an air suction device through an air suction pipe, the air suction device adopts a negative pressure air suction pump (not shown), a space with the volume larger than 50ml is reserved between the lower end of the bone marrow guide pipe 5 and the cavity bottom of the bone marrow collecting bottle 7, the collected bone marrow liquid level is ensured not to be contacted with the lower end of the bone marrow guide pipe 5, and a space for gas to pass through is reserved between the lower end of the bone marrow guide pipe 5 and the collected bone marrow liquid level. The lower end face of the marrow diversion pipe 5 is provided with a filter screen 8. The upper end of the marrow guiding pipe 5 is provided with a connecting nozzle 5-1 for connecting the suction pipe 4. One end of the suction tube 4 is provided with a suction hood 2, the suction tube 4 and the suction hood 2 are integrally manufactured and formed by medical silica gel, the suction hood 2 is a bell mouth, the hood top is hemispherical, a through hole 1 for the opener 9 to pass through is formed in the hood top, the sectional area of the bell mouth is larger than the sectional area of the opener 9 for opening holes in bones, when the suction hood is covered at the position of the opener holes, the suction hood can completely cover the holes, so that the flowing bone marrow can be completely collected, the height of the suction hood 2 is about 25 mm, the deformation of the suction hood 2 can not cause the pipe orifice 3 of the suction tube 5 to be blocked when the opener 9 is opened, so that the bone marrow can not be collected, and the other end of the suction hood is in sealing connection with the connecting nozzle 5-1. The suction hood 2 is provided with a through hole 1 for the open circuit breaker 9 to pass through, the through hole 1 on the suction hood 2 is a flat hole, the flat hole is matched with the cross section of the flat head at the front end of the open circuit breaker 9, and the width of the flat hole is slightly smaller than that of the flat head at the front end of the open circuit breaker 9, so that the open circuit breaker can form a seal when the flat head at the front end of the open circuit breaker is inserted into the flat hole.
The application mode of the utility model is as follows: when the open circuit device 9 is used for punching a pre-opening nail way in orthopedic screw imbedding operation, firstly, a flat opening of the open circuit device 9 can be inserted into a through hole 1 on a suction cover 2 of the orthopedic screw imbedding device, then the open circuit device 9 is used for punching holes on bones of a patient, meanwhile, a horn opening at the lower end of the suction cover 2 is tightly attached to the hole of the open circuit device 9, so that the suction cover 2 is airtight, at the moment, a negative pressure suction pump is started for pumping air, negative pressure air flow drives bone marrow to enter the bone marrow guide pipe 5 from the hole through the suction pipe 4, then the bone marrow can pass through a filter screen 8 at the lower end face of the bone marrow guide pipe 5 under the action of gravity and finally enter the bottom of an inner cavity of a bone marrow collecting bottle 7, and as a certain space is reserved between the bone marrow liquid level and the lower end face of the guide pipe 5, the negative pressure pump can not pump the bone marrow from the bone marrow collecting bottle 7, after the bone marrow is completely collected, see fig. 5, the bone marrow collecting bottle cap 10 is covered on the bone marrow collecting bottle 7, the suction pipe connected with the suction nozzle 7-1 is taken down, and the suction nozzle cap 11 is covered on the suction nozzle 7-1, and sealed.
Claims (6)
1. A bone marrow collection device for in orthopedics screw implantation art, its characterized in that: including bone marrow collecting bottle (7), suction tube (4), the bottleneck of bone marrow collecting bottle (7) is through a sealing connection bone marrow honeycomb duct (5), in bone marrow collecting bottle (7) are inserted to the lower extreme of bone marrow honeycomb duct (5), leave space (7-2) that the air current passed through between the circumference of bone marrow honeycomb duct (5) and the inner wall of bone marrow collecting bottle (7), set up a suction nozzle (7-1) on bone marrow collecting bottle (7), this suction nozzle (7-1) are used for connecting air extraction device's exhaust tube, the space that is greater than 50ml volume is left apart from the chamber bottom of bone marrow honeycomb duct (5) lower extreme, the lower terminal surface of bone marrow honeycomb duct (5) sets up filter screen (8), the upper end of bone marrow honeycomb duct (5) sets up connecting nozzle (5-1), one end of suction tube (4) sets up one suction cap (2), the other end and connecting nozzle (5-1) sealing connection, be equipped with on suction cap (2) and supply the hole (1) that opener (9) passed.
2. The bone marrow harvesting device for use in orthopedic screw insertion according to claim 1, wherein: the suction tube (4) and the suction hood (2) are integrally manufactured and formed by medical silica gel.
3. The bone marrow harvesting device for use in orthopedic screw insertion according to claim 1, wherein: the through hole (1) on the suction hood (2) is a flat hole, and the flat hole is matched with the flat head section at the front end of the open circuit device (9).
4. The bone marrow harvesting device for use in orthopedic screw insertion according to claim 1, wherein: the suction hood (2) is a horn mouth, the hood top is hemispherical, the through hole (1) for the open circuit device (9) to pass through is arranged on the hood top, and the sectional area of the horn mouth is larger than that of an opening of the open circuit device (9) on a bone.
5. The bone marrow harvesting device for use in orthopedic screw insertion according to claim 1, wherein: the bottle mouth of marrow collecting bottle (7) is equipped with the internal thread, and the outer wall of marrow honeycomb duct (5) is equipped with the external screw thread, and marrow collecting bottle (7) pass through screw-thread fit with marrow honeycomb duct (5), the up end circumference of marrow honeycomb duct (5) is equipped with the flange, be equipped with rubber seal (6) between the bottleneck of flange and marrow collecting bottle (7).
6. The bone marrow harvesting device for use in orthopedic screw insertion according to claim 1, wherein: the outer wall of the marrow collecting bottle (7) is provided with scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321394977.7U CN220293903U (en) | 2023-06-02 | 2023-06-02 | Bone marrow collecting device for orthopedic screw implantation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321394977.7U CN220293903U (en) | 2023-06-02 | 2023-06-02 | Bone marrow collecting device for orthopedic screw implantation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220293903U true CN220293903U (en) | 2024-01-05 |
Family
ID=89354121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321394977.7U Active CN220293903U (en) | 2023-06-02 | 2023-06-02 | Bone marrow collecting device for orthopedic screw implantation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220293903U (en) |
-
2023
- 2023-06-02 CN CN202321394977.7U patent/CN220293903U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |