CN214908687U - Arthroscopic bone grafting device - Google Patents
Arthroscopic bone grafting device Download PDFInfo
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- CN214908687U CN214908687U CN202120285957.0U CN202120285957U CN214908687U CN 214908687 U CN214908687 U CN 214908687U CN 202120285957 U CN202120285957 U CN 202120285957U CN 214908687 U CN214908687 U CN 214908687U
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- bone
- positioning member
- sleeve
- bone grafting
- arthroscopic
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Abstract
The utility model provides a bone grafting device under arthroscope relates to medical instrument technical field, include: a bone graft body and a positioning member; the end of the bone grafting main body is provided with a discharging part for implanting bone fragments, the positioning member is used for abutting against the skin of a human body, the bone grafting main body is provided with a sliding path, and the positioning member can move along the sliding path so as to adjust the distance between the positioning member and the discharging part. Because the locating component can move along the sliding path in the main part of bone grafting, adjust the distance between locating component and the ejection of compact portion, the locating component laminating is on human skin, the distance between locating component and the ejection of compact portion is the degree of depth that stretches into of ejection of compact portion promptly, the degree of depth is put into in the control of being convenient for, the cooperation of having alleviated the hollow sleeve pipe of use and cover core that exists among the prior art is put into the bone bits and is planted the control of bone sleeve pipe depth of insertion of uncontrollable, the technical problem of putting into the bone bits that can't be accurate.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a bone grafting ware under arthroscope is related to.
Background
Minimally invasive treatment through a wrist arthroscope is becoming the mainstream nowadays for most of the trauma and diseases occurring in the carpal bones. When the wrist arthroscopy operation is carried out, a plurality of minimally invasive small incisions with the diameter of about 3-5 mm need to be made in the wrist joint gap, an operator places the arthroscope in one small incision to observe and monitor, and then places different surgical instruments or tools in the other small incisions to operate. In many wrist arthroscopy operation, need carry out the bone grafting operation, the operation person is held the wrist arthroscopy and is observed promptly, and the other hand is with autologous cancellous bone bits or artifical bone tiny particle, through a thinner sleeve, leading-in to the wrist joint.
However, in the operation instrument of the current wrist arthroscope, an existing bone grafting tool under the wrist arthroscope is not available, when the bone grafting operation under the wrist arthroscope needs to be carried out, a hollow sleeve with the diameter of about 2-3 mm and a sleeve core with the corresponding diameter are often needed to be found to help to complete the bone grafting operation, and the control of the insertion depth of the bone grafting sleeve cannot be controlled by the matching of the hollow sleeve and the sleeve core, so that bone fragments cannot be accurately placed in the hollow sleeve and the sleeve core.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bone grafting device under arthroscope to the cooperation of the hollow sleeve pipe of use and cover core that has alleviated existence among the prior art puts into the control of the uncontrollable bone grafting sleeve pipe depth of insertion with the bone bits, the unable accurate technical problem of putting into the bone bits.
In a first aspect, the utility model provides an osteoid device under arthroscope, include: a bone graft body and a positioning member;
the end part of the bone grafting main body is provided with a discharging part used for implanting bone fragments, the positioning member is used for abutting against the skin of a human body, the bone grafting main body is provided with a sliding path, and the positioning member can move along the sliding path so as to adjust the distance between the positioning member and the discharging part.
In an alternative embodiment of the method of the present invention,
the bone grafting main body comprises a sleeve and a push rod;
the sleeve pipe is provided with an accommodating cavity for accommodating bone fragments, the push rod extends into the accommodating cavity, and the push rod is configured to be capable of pushing the bone fragments in the accommodating cavity to flow out of the discharging part.
In an alternative embodiment of the method of the present invention,
the outer surface of the sleeve is provided with a threaded section, and the positioning member is in threaded connection with the threaded section.
In an alternative embodiment of the method of the present invention,
the arthroscopic bone grafting device further comprises a limiting component;
the stop member is coupled to the positioning member and is configured to secure the positioning member to the cannula.
In an alternative embodiment of the method of the present invention,
the limiting component comprises a limiting nail;
the outer surface of the sleeve is provided with a clamping section, and the limit nail penetrates through the positioning component and is connected with the clamping section.
In an alternative embodiment of the method of the present invention,
the limiting component comprises a limiting main body and an elastic piece;
the clamping section is arranged on the outer surface of the sleeve, one end of the limiting main body can penetrate through the positioning component and is connected with the clamping section, the other end of the limiting main body is connected with the elastic piece, and the elastic piece is configured to enable the limiting main body to have a motion trend of clinging to the clamping section.
In an alternative embodiment of the method of the present invention,
the positioning component comprises an abutting edge and a connecting edge which are connected with each other;
the connecting edge is provided with a through hole, the sleeve penetrates through the through hole, and the abutting edge is provided with an abutting surface attached to the skin of a human body.
In an alternative embodiment of the method of the present invention,
a fixing ring is arranged at one end of the sleeve pipe, which is far away from the discharging part;
and a pushing ring is arranged at one end of the push rod, which is far away from the discharging part.
In an alternative embodiment of the method of the present invention,
the arthroscopic bone grafting instrument further comprises a feeding bin;
the feeding bin is communicated with the accommodating cavity.
The utility model provides a bone grafting device under arthroscope, include: a bone graft body and a positioning member; the end of the bone grafting main body is provided with a discharging part for implanting bone fragments, the positioning member is used for abutting against the skin of a human body, the bone grafting main body is provided with a sliding path, and the positioning member can move along the sliding path so as to adjust the distance between the positioning member and the discharging part. Because the locating component can move along the sliding path in the main part of bone grafting, adjust the distance between locating component and the ejection of compact portion, the locating component laminating is on human skin, the distance between locating component and the ejection of compact portion is the degree of depth that stretches into of ejection of compact portion promptly, the degree of depth is put into in the control of being convenient for, the cooperation of having alleviated the hollow sleeve pipe of use and cover core that exists among the prior art is put into the bone bits and is planted the control of bone sleeve pipe depth of insertion of uncontrollable, the technical problem of putting into the bone bits that can't be accurate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of an arthroscopic bone grafting instrument according to an embodiment of the present invention;
fig. 2 is a schematic view of the overall structure of another embodiment of the arthroscopic bone grafting instrument according to the embodiment of the present invention;
fig. 3 is a schematic view of the overall structure of another embodiment of the arthroscopic bone grafting instrument according to the embodiment of the present invention.
Icon: 100-a bone grafting main body; 110-a cannula; 111-a threaded segment; 112-a clamping section; 120-a push rod; 200-a positioning member; 210-abutting edges; 220-connecting edges; 300-a stop member; 310-limit pins; 320-a limiting main body; 330-an elastic member; 400-a fixed ring; 500-a push ring; 600-feeding bin.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
As shown in fig. 1, the present embodiment provides an arthroscopic bone grafting instrument, which includes: a bone graft body 100 and a positioning member 200; the end of the bone grafting body 100 has a discharging part for implanting bone fragments, the positioning member 200 is used to abut on the skin of the human body, the bone grafting body 100 is provided with a sliding path along which the positioning member 200 can move to adjust the distance between the positioning member 200 and the discharging part.
Specifically, positioning member 200 and bone grafting main part 100 sliding connection, positioning member 200 moves along bone grafting main part 100's slip path, the position of adjustment positioning member 200 on bone grafting main part 100, and then adjust the distance between positioning member 200 and the bone grafting main part 100 tip ejection of compact portion, and, positioning member 200 can hug closely on human skin, ejection of compact portion stretches into in the seam, the distance between positioning member 200 and the ejection of compact portion is the degree of depth that stretches into in the seam promptly, and then change the distance between positioning member 200 and the ejection of compact portion and can control the degree of depth that stretches into in the seam, the adjustment bone grafting position.
The arthroscopic bone grafting device provided by the embodiment comprises: a bone graft body 100 and a positioning member 200; the end of the bone grafting body 100 has a discharging part for implanting bone fragments, the positioning member 200 is used to abut on the skin of the human body, the bone grafting body 100 is provided with a sliding path along which the positioning member 200 can move to adjust the distance between the positioning member 200 and the discharging part. Because locating component 200 can remove along the sliding path on the main part 100 of bone grafting, adjust the distance between locating component 200 and the ejection of compact portion, locating component 200 laminates on human skin, the distance between locating component 200 and the ejection of compact portion is the degree of depth that stretches into of ejection of compact portion promptly, the degree of depth is put into in the control of being convenient for, the cooperation of using hollow sleeve pipe 110 and cover core that has alleviated the existence among the prior art is put into the control of uncontrollable bone grafting sleeve pipe 110 depth of insertion with the bone bits, the technical problem of putting into the bone bits that can't be accurate.
On the basis of the above embodiment, in an alternative implementation, the bone grafting body 100 in the arthroscopic bone grafting instrument provided by the embodiment comprises a sleeve 110 and a push rod 120; the sleeve 110 has a receiving cavity for placing bone fragments, the push rod 120 extends into the receiving cavity, and the push rod 120 is configured to push the bone fragments in the receiving cavity to flow out from the discharging portion.
Specifically, sleeve pipe 110 is hollow structure, and hollow structure forms the holding chamber, and the tip of sleeve pipe 110 is ejection of compact portion, and the one end of push rod 120 stretches into the holding chamber, promotes the holding chamber in the bone bits from ejection of compact portion outflow.
In an alternative embodiment, a threaded section 111 is provided on the outer surface of the sleeve 110, and the positioning member 200 is threadedly coupled to the threaded section 111.
Specifically, the positioning member 200 has a threaded hole, the outer surface of the sleeve 110 is provided with a threaded section 111, the threaded hole is matched with the threaded section 111, the positioning member 200 can be moved on the threaded section 111 by screwing the positioning member 200, and the distance between the positioning member 200 and the discharging part is changed.
In an alternative embodiment, the arthroscopic bone graft further includes a stop member 300; the stop member 300 is coupled to the positioning member 200, and the stop member 300 is configured to fix the positioning member 200 to the sleeve 110.
Specifically, the stop member 300 is capable of generating a restraining force that acts on the positioning member 200 to secure the positioning member 200 to the sleeve 110 and prevent the positioning member 200 from moving on the surface of the sleeve 110.
As shown in fig. 2, in an alternative embodiment, stop member 300 includes stop pin 310; the outer surface of the sleeve 110 is provided with a clamping section 112, and the spacing pin 310 passes through the positioning member 200 to be connected with the clamping section 112.
Specifically, the clamping section 112 is arranged on the surface of the sleeve 110, the clamping section 112 is of a clamping tooth structure, a through hole is formed in the positioning member 200, the limit nail 310 penetrates through the through hole to be connected with the clamping section 112, and the clamping section 112 clamps the limit nail 310 so as to limit the movement of the positioning member 200.
As shown in fig. 3, in an alternative embodiment, the stop member 300 includes a stop body 320 and an elastic member 330; the outer surface of the sleeve 110 is provided with a clamping section 112, one end of the limiting main body 320 can penetrate through the positioning member 200 to be connected with the clamping section 112, the other end of the limiting main body 320 is connected with the elastic part 330, and the elastic part 330 is configured to enable the limiting main body 320 to have a motion tendency of being tightly attached to the clamping section 112.
Specifically, the clamping section 112 is arranged on the surface of the sleeve 110, the clamping section 112 is of a latch structure, a through hole is formed in the positioning member 200, the limiting main body 320 penetrates through the through hole to be connected with the clamping section 112 to clamp the limiting main body 320, the elastic part 330 is mounted on the positioning member 200, the elastic part 330 is specifically a torsion spring, the elastic force generated by the elastic part 330 acts on the limiting main body 320 to enable the limiting main body 320 to be tightly attached to the clamping section 112, when the position of the positioning member 200 needs to be adjusted, the fingers of medical workers generate acting force on the limiting main body 320 to counteract the elastic force of the elastic part 330, the limiting main body 320 is released from abutting against the clamping section 112, after the position of the positioning member 200 is adjusted, the limiting main body 320 is released, and the elastic part 330 drives the limiting main body 320 to move towards the clamping section 112, so that the limiting main body 320 is clamped on the clamping section 112.
According to the arthroscopic bone grafting instrument provided by the embodiment, the position of the positioning component 200 is adjusted through the arrangement of the clamping section 112, and then the limiting main body 320 is connected with the clamping section 112 to fix the position of the positioning component 200.
On the basis of the above embodiment, in an alternative embodiment, the positioning member 200 in the arthroscopic bone grafting instrument provided by the embodiment comprises an abutting edge 210 and a connecting edge 220 which are connected with each other; the connecting edge 220 has a through hole through which the cannula 110 passes, and the abutting edge 210 has an abutting surface to be abutted against the skin of the human body.
Specifically, one side of the positioning member 200 close to the skin of the human body is an abutting edge 210, the abutting edge 210 has a flat surface, and when positioning is performed, the flat surface of the abutting edge 210 abuts against the skin of the human body, it should be noted that the abutting edge 210 and the connecting edge 220 are an integrated structure, the connecting edge 220 has a through hole, and the sleeve 110 passes through the through hole, so that the connecting edge 220 can move on the surface of the sleeve 110.
In an alternative embodiment, the end of the sleeve 110 remote from the tapping portion is provided with a fixing ring 400; the end of the push rod 120 far away from the discharging part is provided with a push ring 500.
Specifically, set up solid fixed ring 400 on sleeve pipe 110, gu fixed ring 400 sets up to two, and two solid fixed ring 400 set up respectively in sleeve pipe 110's both sides, and medical personnel's forefinger and middle finger stretch into two solid fixed ring 400, and during the thumb stretched into and promoted ring 500, the thumb promoted push rod 120 forward, flowed out the bone fragment in the holding chamber from the discharge part.
In an alternative embodiment, the arthroscopic bone graft further comprises a feeding cartridge 600; the feeding bin 600 is communicated with the accommodating cavity.
Specifically, the sleeve 110 is provided with a feeding bin 600, the feeding bin 600 is communicated with the accommodating cavity, and bone fragments are conveyed into the accommodating cavity through the feeding bin 600.
The using method comprises the following steps: in use, the distance between the positioning component 200 and the discharge part at the head end of the sleeve 110 is adjusted to determine the distance from the wrist bone part implanted with bone fragments to the surface of the skin, then an operator holds the arthroscope with one hand to monitor, the bone grafting sleeve is inserted into the joint with the other hand, the discharge part at the front end of the sleeve is aligned to the part needing bone grafting, and the depth and the position of the bone grafting sleeve 110 placed into the joint are stably fixed through the close fit between the positioning component 200 and the skin. Thereafter, the thumb of the operator is inserted into the ring of push rods 120, the push rods 120 are pulled back outwardly until the heads of the push rods 120 are retracted to the proximal side of the additive feeding cartridge 600, and the surgical assistant fills the bone fragments into the cannula 110 through the feeding cartridge 600. The index finger and the middle finger of an operator are respectively inserted into the two fixing rings 400, the thumb is inserted into the push rod 120 ring, the arthroscopic bone grafting device pre-filled with aggregate is pushed to the part needing bone grafting under the monitoring of the wrist arthroscope, the push rod 120 can be used for pressurizing the bone grafting area, the operations of feeding bone fragments and pushing the bone grafting are repeated repeatedly until the bone defect area is fully filled, and the bone grafting operation under the wrist arthroscope is finished.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. An arthroscopic bone graft, comprising: a bone graft body (100) and a positioning member (200);
the end of the bone grafting main body (100) is provided with a discharging part for implanting bone fragments, the positioning member (200) is used for abutting on the skin of a human body, the bone grafting main body (100) is provided with a sliding path, and the positioning member (200) can move along the sliding path so as to adjust the distance between the positioning member (200) and the discharging part.
2. The arthroscopic bone implant according to claim 1,
the bone grafting body (100) comprises a sleeve (110) and a push rod (120);
the sleeve (110) is provided with a containing cavity for containing bone fragments, the push rod (120) extends into the containing cavity, and the push rod (120) is configured to be capable of pushing the bone fragments in the containing cavity to flow out of the discharging part.
3. The arthroscopic bone implant according to claim 2,
a threaded section (111) is arranged on the outer surface of the sleeve (110), and the positioning member (200) is in threaded connection with the threaded section (111).
4. The arthroscopic bone implant according to claim 2,
the arthroscopic bone grafting device further comprises a limiting component (300);
the stop member (300) is connected to the positioning member (200), and the stop member (300) is configured to be able to fix the positioning member (200) to the sleeve (110).
5. The arthroscopic bone implant according to claim 4,
the stop member (300) comprises a stop pin (310);
the outer surface of the sleeve (110) is provided with a clamping section (112), and the limit nail (310) penetrates through the positioning component (200) and is connected with the clamping section (112).
6. The arthroscopic bone implant according to claim 4,
the limiting member (300) comprises a limiting main body (320) and an elastic piece (330);
be provided with joint section (112) on the surface of sleeve pipe (110), the one end of spacing main part (320) can pass locating component (200) with joint section (112) are connected, the other end of spacing main part (320) with elastic component (330) are connected, elastic component (330) configuration is configured to can make spacing main part (320) have hug closely in the motion trend of joint section (112).
7. The arthroscopic bone implant according to claim 2,
the positioning member (200) comprises an abutting edge (210) and a connecting edge (220) which are connected with each other;
the connecting edge (220) is provided with a through hole, the sleeve (110) penetrates through the through hole, and the abutting edge (210) is provided with an abutting surface attached to the skin of a human body.
8. The arthroscopic bone implant according to claim 2,
a fixing ring (400) is arranged at one end of the sleeve (110) far away from the discharging part;
and a pushing ring (500) is arranged at one end of the push rod (120) far away from the discharging part.
9. The arthroscopic bone implant according to claim 2,
the arthroscopic bone grafting instrument further comprises a feeding bin (600);
the feeding bin (600) is communicated with the accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120285957.0U CN214908687U (en) | 2021-02-01 | 2021-02-01 | Arthroscopic bone grafting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120285957.0U CN214908687U (en) | 2021-02-01 | 2021-02-01 | Arthroscopic bone grafting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214908687U true CN214908687U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120285957.0U Active CN214908687U (en) | 2021-02-01 | 2021-02-01 | Arthroscopic bone grafting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214908687U (en) |
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2021
- 2021-02-01 CN CN202120285957.0U patent/CN214908687U/en active Active
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