CN112244984B - Visual bone grafting device - Google Patents
Visual bone grafting device Download PDFInfo
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- CN112244984B CN112244984B CN202011220397.7A CN202011220397A CN112244984B CN 112244984 B CN112244984 B CN 112244984B CN 202011220397 A CN202011220397 A CN 202011220397A CN 112244984 B CN112244984 B CN 112244984B
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 48
- 230000000007 visual effect Effects 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 208000027418 Wounds and injury Diseases 0.000 abstract description 9
- 210000003205 muscle Anatomy 0.000 abstract description 4
- 208000032984 Intraoperative Complications Diseases 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 210000005036 nerve Anatomy 0.000 abstract description 2
- 210000000944 nerve tissue Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8811—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer tip, i.e. the part inserted into or onto the bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/02—Surgical instruments, devices or methods for holding wounds open, e.g. retractors; Tractors
- A61B17/025—Joint distractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Gynecology & Obstetrics (AREA)
- Radiology & Medical Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model provides a visual bone grafting device, relates to medical instrument technical field, including battery compartment, connecting pipe, adjusting nut, casing, discharging pipe, and conical joint, battery, inlet pipe, end cover, sleeve pipe, aggregate storehouse, operation storehouse, annular discharge gate, built-in sleeve pipe, fixed block, miniature camera head, miniature shot-light, takeover. When the bone grafting device is used for bone grafting, visual operation can be carried out, video information can be cleaned and displayed on the display, and local details can be watched in an amplifying mode, so that fine operation in the bone grafting process is facilitated, and artificial errors can be avoided to the great extent; the speed of adding the aggregate can be controlled by adjusting the nut, so that the bone grafting process is orderly and controllable, and the effect of the bone grafting operation can be obviously improved; the distraction action of the conical joint can avoid repeatedly poking muscle tissue nerves at the skeletal wound of a patient, and avoid surgical injury; the conical joints of different models can be used for bone wound surfaces of different sizes, and have strong adaptability and convenient use.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a visual bone grafting device.
Background
The bone grafting method for orthopaedics is mainly divided into two methods, one is a relatively original method, namely, a clinician uses a tool to pull out muscle nerve tissues attached to the surface of a bone, so that a part needing bone grafting is exposed, and then uses forceps to fill bone materials into the position needing bone grafting; another is an improved method of bone grafting using some of the bone grafting devices disclosed in the prior patent documents.
The original method has the problems that muscle nerve tissues attached to the surface of a skeleton need to be mechanically pulled apart by a reverse multiplexer, and the injury to a patient is easily caused; the improved method avoids the above problems, but has no visibility, so that the operation is performed by feeling in the bone grafting process, and errors are easy to occur.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a visual bone grafting device suitable for bone grafting operation.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a visual bone grafting device comprises a battery compartment, a connecting pipe, an adjusting nut, a shell, a discharging pipe and a conical joint, wherein a storage battery is arranged in the battery compartment, the upper end of the connecting pipe is connected with the bottom of the battery compartment, the lower end of the connecting pipe is connected with the upper end of the shell, the upper part of the side wall of the shell is provided with the feeding pipe, the top end of the shell is in threaded connection with an end cover, the bottom end of the shell is integrally formed with the discharging pipe, and the bottom end of the discharging pipe is in threaded connection with the conical joint;
the device comprises a shell, an end cover, a feeding pipe, a discharging pipe and a control device, wherein the shell is internally provided with a coaxial sleeve, the top end of the sleeve is fixedly connected with the lower end surface of the end cover and divides the interior of the shell into an aggregate bin positioned on the outer side and an operation bin positioned on the inner side;
the inner wall surface of the sleeve is also connected with an internal sleeve for opening and closing the annular discharge hole in a sliding manner, the upper end in the internal sleeve is provided with a fixed block, the lower end face of the fixed block is provided with a miniature camera and a plurality of miniature spot lamps, the top of the fixed block is also provided with a connecting pipe, the outer wall of the connecting pipe is provided with external threads, the lower end of the connecting pipe is fixedly connected with the top end of the fixed block, and the upper end of the connecting pipe extends upwards and penetrates through the end cover to extend into the connecting pipe;
the adjusting nut is arranged between the lower end of the connecting pipe and the upper end of the end cover and is respectively and rotatably connected with the lower end of the connecting pipe and the upper end of the end cover, the adjusting nut is screwed on the outer surface of the connecting pipe, and the connecting pipe is in clearance fit with the end cover and the connecting pipe; the adjusting nut is rotated to enable the connecting pipe to drive the built-in sleeve to ascend or descend and enable the annular discharge hole to be opened or closed, and the adjusting nut controls the opening or closing degree of the annular discharge hole;
the miniature camera and the miniature spotlight are respectively electrically connected with the storage battery through a wire penetrating through the inner cavity of the connecting pipe, the miniature camera is connected with a computer in an operating room through a wire, and real-time video information during bone grafting operation is displayed on a display of the computer.
Preferably, a support rod is connected between the outer wall surface of the connecting pipe and the upper end face of the end cover.
Preferably, the upper end surface and the lower end surface of the adjusting nut are respectively provided with an arc-shaped sliding block, the lower end of the outer wall of the connecting pipe and the upper surface of the end cover are respectively provided with an annular sliding groove, and the annular sliding grooves are matched with the arc-shaped sliding blocks.
Preferably, the outer wall surface of the connecting pipe in the operation cabin is further provided with a sliding block, the upper part of the inner wall surface of the operation cabin is provided with a linear sliding groove along the axial direction of the operation cabin, and the linear sliding groove is matched with the sliding block.
Preferably, the bottom end of the built-in sleeve is provided with an annular inclined surface A inclined towards the inner lower side, the upper end of the discharge pipe is provided with an annular inclined surface B, and the annular inclined surface A is matched with the annular inclined surface B.
Preferably, the surfaces of the annular inclined plane A and the annular inclined plane B are both provided with a medical silica gel material layer.
Preferably, the taper joint is provided with a plurality of models according to the difference of the taper and the length.
Preferably, the battery compartment top still be equipped with the mounting panel, the mounting panel on be equipped with battery charging interface and video line interface respectively.
The visual bone grafting device has the following beneficial effects: 1. when the bone grafting device is used for bone grafting, visual operation can be carried out, video information can be cleaned and displayed on the display, and local details can be watched in an amplifying mode, so that fine operation in the bone grafting process is facilitated, and artificial errors can be avoided to the great extent; 2. the speed of adding the aggregate can be controlled by adjusting the nut, so that the bone grafting process is orderly and controllable, and the effect of the bone grafting operation can be obviously improved; 3. the distraction action of the conical joint can avoid repeatedly poking muscle tissue nerves at the skeletal wound of a patient, and avoid surgical injury; 4. the conical joints of different models can be used for bone wound surfaces of different sizes, and have strong adaptability and convenient use.
Drawings
FIG. 1: the invention has a structure schematic diagram;
FIG. 2: a cross-sectional view of the present invention;
1: battery compartment, 2: connecting pipe, 3: adjusting nut, 4: end cap, 5: a housing, 6: discharge pipe, 7: taper joint, 8: aggregate bin, 9: storage battery, 10: connecting pipe inner cavity, 11: adapter tube, 12: annular chute, 13: arc slider, 14: support bar, 15: linear chute, 16: feed pipe, 17: slider, 18: fixed block, 19: inner sleeve, 20: miniature camera, 21: miniature shot-light, 22: annular discharge port, 23: inner lumen of indwelling cannula, 24: wire, 25: mounting plate, 26: video line interface, 27: battery charging interface, 28: taper joint discharge port, 29: computer mainframe, 30: display, 31: sleeve, 32: and (5) operating the bin.
Detailed Description
In the following, embodiments of the present invention are described in detail in a stepwise manner, which is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, the present invention is not to be construed as being limited thereto.
In one embodiment, the visual bone grafting device of the invention, as shown in fig. 1 and 2, comprises a battery compartment 1, a connecting pipe 2, an adjusting nut 3, a shell 5, a discharging pipe 6 and a conical joint 7, wherein a storage battery 9 is arranged in the battery compartment 1, the upper end of the connecting pipe 2 is connected with the bottom of the battery compartment 1, the lower end of the connecting pipe is connected with the upper end of the shell 5, a feeding pipe 16 is arranged on the upper part of the side wall of the shell 5, an end cover 4 is screwed at the top end of the shell 5, the discharging pipe 6 is integrally formed at the bottom end of the shell 5, and the conical joint 7 is screwed at the bottom end of the discharging pipe 6;
as shown in fig. 1 and 2, a coaxial sleeve 31 is arranged in the casing 5, the top end of the sleeve 31 is fixedly connected with the lower end surface of the end cover 4, and divides the inside of the casing into an aggregate bin 8 located at the outer side and an operation bin 32 located at the inner side, an annular gap is arranged at the lower end of the sleeve 31, the annular gap forms an annular discharge hole 22 of the aggregate bin, and the feed pipe 16 is communicated with the aggregate bin 8;
as shown in fig. 1 and 2, the inner wall surface of the sleeve 31 is further connected with a built-in sleeve 19 for opening and closing the annular discharge port 22 in a sliding manner, the upper end inside the built-in sleeve 19 is provided with a fixed block 18, the lower end surface of the fixed block 18 is provided with a micro camera 20 and a plurality of micro spot lamps 21, the top of the fixed block 18 is further provided with a connecting pipe 11, the outer wall of the connecting pipe 11 is provided with external threads, the lower end of the connecting pipe 11 is fixedly connected with the top end of the fixed block 18, and the upper end extends upwards and penetrates through the end cover 4 to extend into the connecting pipe 2;
as shown in fig. 1 and 2, the adjusting nut 3 is disposed between the lower end of the connecting pipe 2 and the upper end of the end cover 4, and is rotatably connected to the lower end of the connecting pipe 2 and the upper end of the end cover 4, the adjusting nut 3 is screwed to the outer surface of the connecting pipe 11, and the connecting pipe 11 is in clearance fit with the end cover 4 and the connecting pipe 2; the adjusting nut 3 is rotated to enable the connecting pipe 11 to drive the built-in sleeve to ascend or descend and enable the annular discharge hole 22 to be opened or closed, and the adjusting nut 3 controls the opening or closing degree of the annular discharge hole;
as shown in fig. 1 and 2, the micro-camera 20 and the micro-spotlight 21 are electrically connected to the storage battery 9 through the lead 24 passing through the inner cavity of the connection tube 11, the micro-camera 20 is connected to the computer in the operating room through the lead, and the real-time video information during the bone grafting operation is displayed on the display 30 of the computer.
In a further embodiment, as shown in fig. 1 and 2, a support rod 14 is connected between the outer wall surface of the connecting tube 2 and the upper end surface of the end cap 4.
In a further embodiment, as shown in fig. 1 and 2, the upper and lower end surfaces of the adjusting nut 3 are respectively provided with an arc-shaped sliding block 13, the lower end of the outer wall of the connecting pipe 2 and the upper surface of the end cover 4 are respectively provided with an annular sliding groove 12, and the annular sliding groove 12 and the arc-shaped sliding block 13 are mutually matched.
In a further embodiment, as shown in fig. 1 and 2, the outer wall surface of the connecting pipe 11 in the operation cabin 32 is further provided with a slide block 17, a linear slide slot 15 along the axial direction of the operation cabin is arranged at the upper part of the inner wall surface of the operation cabin, and the linear slide slot 15 is matched with the slide block 17.
In a further embodiment, as shown in fig. 1 and 2, the bottom end of the inner sleeve 19 is provided with an annular inclined surface a inclined inward and downward, the upper end of the discharge pipe 6 is provided with an annular inclined surface B, and the annular inclined surface a and the annular inclined surface B are matched with each other.
In a further embodiment, as shown in fig. 1 and 2, the surfaces of the annular inclined surface a and the annular inclined surface B are both provided with a medical silica gel material layer.
In a further embodiment, as shown in fig. 1 and 2, the taper joint 7 is provided with a plurality of models according to the difference of the taper and the length.
In a further embodiment, as shown in fig. 1 and 2, a mounting plate 25 is further disposed on the top of the battery compartment 1, and a battery charging interface 27 and a video line interface 26 are respectively disposed on the mounting plate 25.
The use principle of the invention is as follows:
during operation, the invention is connected with a computer host 29 of an operating room through a video line, aggregate with proper granularity is filled into a bone stock bin through a feeding pipe 16, the aggregate is uniformly shaken in the bone stock bin, a conical joint 7 suitable for the size of a bone wound of a patient is selected, the conical joint 7 is abutted against the bone wound, the computer host is opened, clear images of the built-in casing pipe 19, a discharging pipe 6, the conical joint 7 and the bone wound of the patient can be seen on a display, details of the images can be observed in an amplifying mode, after the clear observation, an adjusting nut 3 is gently and slowly rotated, the opening degree of an annular discharge hole 22 is controlled, the aggregate slowly enters the bone grafting area of the bone wound of the patient until the bone grafting area is filled to a specified degree, and the annular discharge hole 22 is closed by rotating the adjusting nut 3.
Claims (8)
1. A visual bone grafting device characterized by: the battery compartment is internally provided with a storage battery, the upper end of the connecting pipe is connected with the bottom of the battery compartment, the lower end of the connecting pipe is connected with the upper end of the shell, the upper part of the side wall of the shell is provided with a feeding pipe, the top end of the shell is in threaded connection with an end cover, the bottom end of the shell is integrally formed with a discharging pipe, and the bottom end of the discharging pipe is in threaded connection with a conical joint;
the device comprises a shell, an end cover, a feeding pipe, a discharging pipe and a control device, wherein the shell is internally provided with a coaxial sleeve, the top end of the sleeve is fixedly connected with the lower end surface of the end cover and divides the interior of the shell into an aggregate bin positioned on the outer side and an operation bin positioned on the inner side;
the inner wall surface of the sleeve is also connected with an internal sleeve for opening and closing the annular discharge hole in a sliding manner, the upper end in the internal sleeve is provided with a fixed block, the lower end face of the fixed block is provided with a miniature camera and a plurality of miniature spot lamps, the top of the fixed block is also provided with a connecting pipe, the outer wall of the connecting pipe is provided with external threads, the lower end of the connecting pipe is fixedly connected with the top end of the fixed block, and the upper end of the connecting pipe extends upwards and penetrates through the end cover to extend into the connecting pipe;
the adjusting nut is arranged between the lower end of the connecting pipe and the upper end of the end cover and is respectively and rotatably connected with the lower end of the connecting pipe and the upper end of the end cover, the adjusting nut is screwed on the outer surface of the connecting pipe, and the connecting pipe is in clearance fit with the end cover and the connecting pipe; the adjusting nut is rotated to enable the connecting pipe to drive the built-in sleeve to ascend or descend and enable the annular discharge hole to be opened or closed, and the adjusting nut controls the opening or closing degree of the annular discharge hole;
the miniature camera and the miniature spotlight are respectively electrically connected with the storage battery through a wire penetrating through the inner cavity of the connecting pipe, the miniature camera is connected with a computer in an operating room through a wire, and real-time video information during bone grafting operation is displayed on a display of the computer.
2. A visual bone grafting device as claimed in claim 1, wherein: and a support rod is connected between the outer wall surface of the connecting pipe and the upper end surface of the end cover.
3. A visual bone grafting device as claimed in claim 1, wherein: the upper end face and the lower end face of the adjusting nut are respectively provided with an arc-shaped sliding block, the lower end of the outer wall of the connecting pipe and the upper surface of the end cover are respectively provided with an annular sliding groove, and the annular sliding grooves are matched with the arc-shaped sliding blocks.
4. A visual bone grafting device as claimed in claim 1, wherein: the outer wall surface of the connecting pipe in the operation bin is also provided with a sliding block, the upper part of the inner wall surface of the operation bin is provided with a linear sliding groove along the axial direction of the operation bin, and the linear sliding groove is matched with the sliding block.
5. A visual bone grafting device as claimed in claim 1, wherein: the bottom end of the built-in sleeve is provided with an annular inclined plane A which inclines towards the inner lower side, the upper end of the discharge pipe is provided with an annular inclined plane B, and the annular inclined plane A is matched with the annular inclined plane B.
6. A visual bone grafting device as claimed in claim 5 wherein: the surfaces of the annular inclined plane A and the annular inclined plane B are both provided with medical silica gel material layers.
7. A visual bone grafting device as claimed in claim 1, wherein: the taper joint is provided with a plurality of types according to the difference of the taper and the length.
8. A visual bone grafting device as claimed in any one of claims 1 to 7 wherein: the battery compartment top still be equipped with the mounting panel, the mounting panel on be equipped with battery interface and the video line interface that charges respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011220397.7A CN112244984B (en) | 2020-11-05 | 2020-11-05 | Visual bone grafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011220397.7A CN112244984B (en) | 2020-11-05 | 2020-11-05 | Visual bone grafting device |
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| Publication Number | Publication Date |
|---|---|
| CN112244984A CN112244984A (en) | 2021-01-22 |
| CN112244984B true CN112244984B (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011220397.7A Active CN112244984B (en) | 2020-11-05 | 2020-11-05 | Visual bone grafting device |
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| CN (1) | CN112244984B (en) |
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| US7780672B2 (en) * | 2006-02-27 | 2010-08-24 | Biomet Manufacturing Corp. | Femoral adjustment device and associated method |
| US8814880B2 (en) * | 2006-12-28 | 2014-08-26 | Craig M. McAllister | Device and method for mounting an object on a bone |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7918891B1 (en) * | 2004-03-29 | 2011-04-05 | Nuvasive Inc. | Systems and methods for spinal fusion |
| TW201124112A (en) * | 2010-01-13 | 2011-07-16 | Shi-jie YANG | Transdermal endoscopic pressure-reducing debridement auxiliary appliance. |
| CN202211740U (en) * | 2011-09-08 | 2012-05-09 | 北京纳通科技集团有限公司 | Bone grafting instrument |
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| CN104337564A (en) * | 2013-08-07 | 2015-02-11 | 黄峰 | Depth-limited bone grafting instrument |
| CN207220909U (en) * | 2017-01-23 | 2018-04-13 | 胡小刚 | A kind of disposable spinal interbody fusion bone grafting instrument device |
| CN208808618U (en) * | 2018-07-26 | 2019-05-03 | 江苏尚美医疗器械有限公司 | Miniature bone grafting device under a kind of arthroscope |
| CN211325515U (en) * | 2019-09-03 | 2020-08-25 | 上海石赫医疗科技有限公司 | Intervertebral bone grafting device |
| CN211355813U (en) * | 2019-09-17 | 2020-08-28 | 天津正天医疗器械有限公司 | Bone grafting bin instrument |
| CN211381613U (en) * | 2019-12-19 | 2020-09-01 | 江志杰 | Gallstone minimally invasive surgery stone taking device |
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| Publication number | Publication date |
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| CN112244984A (en) | 2021-01-22 |
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