CN209252988U - A kind of meniscus stitching unstrument - Google Patents
A kind of meniscus stitching unstrument Download PDFInfo
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- CN209252988U CN209252988U CN201821994790.XU CN201821994790U CN209252988U CN 209252988 U CN209252988 U CN 209252988U CN 201821994790 U CN201821994790 U CN 201821994790U CN 209252988 U CN209252988 U CN 209252988U
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- output sleeve
- motor
- shank
- stitching unstrument
- handle
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Abstract
The utility model discloses a kind of meniscus stitching unstruments, including handle, the propulsion device being arranged at handle, shank, the implant fixing piece that shank head end is arranged in；Wherein, the propulsion device includes driving device for slow-run, output sleeve；The driving device for slow-run is connect with one end of the output sleeve, and the other end of the output sleeve contacts fitting with the implant fixing piece；The driving device for slow-run is for driving the output sleeve to generate rotational action and output sleeve being pushed to move back and forth in shank.Meniscus stitching unstrument provided by the utility model, outlet method outgoing line position more preferably control, and transmission power is more stable, and operation precision is higher.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of meniscus stitching unstruments.
Background technique
It is well known that meniscus is the semilune chondroid tissue between knee joint femoral and shin bone, it is located at shin bone
The articular surface of platform inner side and outer side.Its cross section is triangular in shape, it is outer thickness in it is thin, above it is slightly concave, so as to condyle of femur phase
Coincide, here be it is flat, connect with tibial plateau.Meniscus, which has, to be increased stabilization, transfer charge, absorbs concussion, lubricating joint etc.
Effect.As the improvement of people's living standards, nationwide fitness programs are increasingly flourishing, sport injury is also increasing, and meniscus injury is got over
Come more common.
Meniscus sewing method mainly divides ecto-entad (Outside-in), from inside to outside (Inside-out) He Quanguan
(All-inside) three classes in section have corresponding suture instruments according to the difference of sewing method.
In traditional a meniscus stitching unstrument structure, as shown in Figure 1, it is mainly by handle A1, setting in handle
Promoting button A2, shank A3, implant fixing piece A4 (the implant fixing piece abbreviation T, such as Fig. 2 institute that shank head end is set
Show) etc. part constitute；The main function of above-mentioned propulsion device is to get implant fixing piece from shank head end.
Above-mentioned instrument passes through meniscus through channel, and after reaching the depth location that can discharge implant fixing piece, release is simultaneously
Be unfolded implant fixing piece, keep pressure simultaneously withdraw from shank, push away line ensure it is solid and reliable；Then it knots outside joint, by knot
Device is shifted at meniscus, and extra the end of a thread is cut, and operation finishes.But traditional meniscus stitching unstrument, using manual straight line
Push-pull fashion gets line (note: line is connected on implant fixing piece), and such outlet method is not easily controlled wire outlet position
It sets, influences operation precision.
To sum up, how to overcome the above-mentioned technological deficiency of traditional technology is that those skilled in the art's technology urgently to be solved is asked
Topic.
Utility model content
The purpose of this utility model is to provide a kind of meniscus stitching unstruments, to solve the above problems.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The utility model additionally provides a kind of meniscus stitching unstrument, including handle, the propulsion device being arranged at handle, needle
Bar, the implant fixing piece that shank head end is set；
Wherein, the propulsion device includes driving device for slow-run, output sleeve；The driving device for slow-run and the output
One end of axle sleeve connects, and the other end of the output sleeve contacts fitting with the implant fixing piece；The screw drives
Device is for driving the output sleeve to generate rotational action and output sleeve being pushed to move back and forth in shank.
Preferably, as a kind of implementable solution；Internal screw thread is provided on the shank；And the outside of the output sleeve
It is provided with external screw thread, the screw-internal thread fit of the external screw thread of the output sleeve and the shank.
Preferably, as a kind of implementable solution；The driving device for slow-run includes motor and gear-box；The motor is logical
The gear-box is crossed to be rotatably assorted with the output sleeve.
Preferably, as a kind of implementable solution；The inside of handle is arranged in the driving device for slow-run.
Preferably, as a kind of implementable solution；The handle is internally provided with motor sliding cavity；The motor and institute
Motor sliding cavity is stated to be slidably matched.
Preferably, as a kind of implementable solution；The motor sliding cavity is cylindrical cavity.
Preferably, as a kind of implementable solution；It is additionally provided with to be driven forward button and be driven reverse at the handle and press
Button；The forward drive button and the reverse drive button are electrically connected with the motor respectively；The forward drive button is used
Movement is rotated clockwise in driving motor；The reverse drive button is used for driving motor spinning movement counterclockwise.
Preferably, as a kind of implementable solution；The motor is servo motor.
Preferably, as a kind of implementable solution；Front position on the side wall of the handle and positioned at the handle
Place is additionally provided with window；The window is used to expose the external screw thread of above-mentioned output sleeve.
Preferably, as a kind of implementable solution；The shank and the output sleeve are stainless steel structure part.
Compared with prior art, it is the advantages of the utility model embodiment:
A kind of meniscus stitching unstrument provided by the utility model, the primary structure for analyzing above-mentioned meniscus stitching unstrument are known:
Above-mentioned meniscus stitching unstrument comprising handle, the propulsion device being arranged at handle, shank, the implantation that shank head end is set
Body fixing piece；
Wherein, the propulsion device includes driving device for slow-run, output sleeve；The driving device for slow-run and the output
One end of axle sleeve connects, and the other end of the output sleeve contacts fitting with the implant fixing piece；The screw drives
Device is for driving the output sleeve to generate rotational action and output sleeve being pushed to move back and forth in shank.
Above-mentioned output sleeve is the direct organization device for realizing helical rotation movement；Driving device for slow-run is then output simultaneously
The device of power；Driving device for slow-run drives the output sleeve to generate rotational action and pushes output sleeve reciprocal in shank
Movement；When output sleeve is rotated outward along shank, so that it may the implant fixing piece at shank head-end location be pushed to realize
Projecting motion (advance), which more preferably controls, even and if manual operation output sleeve rotational action,
Same transmission power is more stable, and operation precision also can be higher.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the primary structure schematic diagram of some meniscus stitching unstrument in the prior art；
Fig. 2 is the partial enlargement structural representation of the meniscus stitching unstrument in the prior art front end in Fig. 1；
Fig. 3 is the perspective structure schematic diagram for the meniscus stitching unstrument that the utility model embodiment one provides；
Fig. 4 is the surface structure schematic diagram for the meniscus stitching unstrument that the utility model embodiment one provides in Fig. 3；
Fig. 5 is the front end partial structural diagram for the meniscus stitching unstrument that the utility model embodiment one provides in Fig. 3；
Fig. 6 is the rear end partial structural diagram for the meniscus stitching unstrument that the utility model embodiment one provides in Fig. 3；
Fig. 7 is the gear-box schematic perspective view in the meniscus stitching unstrument that the utility model embodiment one provides.
Label:
Handle 1；Motor sliding cavity 11；It is driven forward button 12；It is driven reverse button 13；
Shank 2；
Implant fixing piece 3；
Driving device for slow-run 4；Motor 41；Gear-box 42；
Output sleeve 5；
Window 6.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that the word of the orientation or positional relationship of certain instructions, only
It is the utility model and simplified description for ease of description, rather than the device or element of indication or suggestion meaning must have spy
Fixed orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that " connection " shall be understood in a broad sense, for example, it may be fixed
Connection, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly
It is connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment one
Referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the utility model embodiment one provides a kind of meniscus stitching unstrument, including
Handle 1, the propulsion device being arranged at handle, shank 2, the implant fixing piece 3 that shank head end is set；
Wherein, the propulsion device includes driving device for slow-run 4, output sleeve 5；The driving device for slow-run 4 with it is described
One end of output sleeve 5 connects, and the other end of the output sleeve 5 contacts fitting with the implant fixing piece 3；The spiral shell
Rotation driving device 4 is for driving the output sleeve 5 to generate rotational action and output sleeve 5 being pushed to move back and forth in shank 2.
Known to the primary structure for analyzing above-mentioned meniscus stitching unstrument: above-mentioned meniscus stitching unstrument comprising handle, setting exist
Propulsion device, shank at handle, the implant fixing piece that shank head end is set；
Above-mentioned output sleeve is the direct organization device for realizing helical rotation movement；Driving device for slow-run is then output simultaneously
The device of power；Driving device for slow-run drives the output sleeve to generate rotational action and pushes output sleeve reciprocal in shank
Movement；When output sleeve is rotated outward along shank, so that it may the implant fixing piece at shank head-end location be pushed to realize
Projecting motion (advance), which more preferably controls, even and if manual operation output sleeve rotational action,
Same transmission power is more stable, and operation precision also can be higher.
The specific structure and particular technique effect of meniscus stitching unstrument provided by the embodiment of the utility model are done below
Once it is described in detail:
Preferably, as a kind of implementable solution；As shown in figure 5, being provided with internal screw thread on the shank 2；And it is described defeated
The outside of axle sleeve 5 is provided with external screw thread, the screw-internal thread fit of the external screw thread of the output sleeve 5 and the shank 2 out.
It should be noted that realizing specific helical rotation movement in the specific technical solution of the utility model embodiment
Be output sleeve；The output sleeve needs to be threadedly engaged with shank realization simultaneously, can realize output shaft by this fit system
The helical rotation for covering opposite shank acts.
Preferably, as a kind of implementable solution；As shown in fig. 6, the driving device for slow-run 4 includes motor 41 and gear
Case 42；The motor 41 is rotatably assorted by the gear-box 42 with the output sleeve 5.The driving device for slow-run setting exists
The inside of handle.
It should be noted that the driving device for slow-run includes electricity in the specific technical solution of the utility model embodiment
Machine and gear-box；The exportable power of the motor, the gear-box are then main bindiny mechanisms；Motor passes through gear-box and output shaft
Set is rotatably assorted, and then realizes the rotate driving to output sleeve indirectly；When output sleeve is rotated outward along shank, so that it may
To push the implant fixing piece at shank head-end location to realize projecting motion, which is more preferably controlled, and
Even and if manual operation output sleeve rotational action, it is same to transmit that power is more stable, and operation precision also be higher.
As shown in fig. 7, in said structure, which is specially change gear case, while it not only may be implemented to turn
Velocity modulation is whole (serving as speed reducer use, realize smooth rotation), while can also realize that primary turn to changes.The gear-box includes at least
Two bevel gears realize deflecting by the engagement of two bevel gears.
Preferably, as a kind of implementable solution；As shown in figs. 1 and 6, the motor that is internally provided with of the handle 1 slides
Chamber 11；The motor 41 is slidably matched with the motor sliding cavity 11.
It should be noted that above-mentioned motor sliding cavity is for storing up in the specific technical solution of the utility model embodiment
Electrical Discharge Machine, and motor is allowed (therefore to say, motor sliding cavity in the motor sliding cavity at handle along rectilinear direction sliding action
It is provided with the slideway or sliding rail being directly slidably matched with motor in 11, guarantees that motor slides in motor sliding cavity 11).
Preferably, as a kind of implementable solution；As shown in figs. 1 and 6, the motor sliding cavity 11 is cylindrical cavity.
It should be noted that above-mentioned motor sliding cavity is for storing up in the specific technical solution of the utility model embodiment
Electrical Discharge Machine when certain output sleeve rotates forward, also will drive motor sliding and move forward, motor sliding cavity is designed to cylinder
The cavity of shape shape is more convenient processing.
Preferably, as a kind of implementable solution；As shown in figs. 1 and 6, be additionally provided at the handle 1 forward drive by
Button 12 and reverse drive button 13；The forward drive button and the reverse drive button are electrically connected with the motor respectively；
The forward drive button rotates clockwise movement for driving motor；The reverse drive button is counterclockwise for driving motor
Spinning movement.
It should be noted that also installing and designing at the handle has in the specific technical solution of the utility model embodiment
It is driven forward button and is driven reverse button；Above-mentioned two button is electrically connected with motor respectively, is used for wherein being driven forward button
Driving motor rotates clockwise movement；In addition reverse drive button is then used for driving motor spinning movement counterclockwise；By upper
Stating two buttons then can control realization rotating forward (or reversion), push output sleeve eventually by helical rotation mode, in turn
It realizes the implant fixing piece of shank head end and releases advance, realize the mode of spiral beating outlet.
Preferably, as a kind of implementable solution；As shown in fig. 6, the motor 41 is servo motor.
It should be noted that the motor is that spiral is realized in control in the specific technical solution of the utility model embodiment
The major impetus device of rotation, therefore it is preferable to use servo motors for the power device；Above-mentioned servo motor has control precision high,
High-speed rotation performance is stablized, and adapts to overload capacity and waits technical characterstics by force, for example: 1, precision: realize position, speed and power
The closed-loop control of square, the problem of overcoming step out of stepping motor；2, revolving speed: high speed performance is good；3, adaptability: anti-overload ability
By force, the load for being three times in nominal torque can be born, it is particularly suitable to there is the occasion of momentary load fluctuation and requirement fast starting；4,
Stablize: low speed runs smoothly, and low speed will not generate the step run phenomenon similar to stepper motor when running.Suitable for there is high speed
Respond desired occasion.Therefore it says, in the product structure of meniscus stitching unstrument provided by the utility model, which preferably makes
Use servo motor.
Preferably, as a kind of implementable solution；As shown in fig. 6, the front end on the side wall of handle 1 and positioned at handle 1
Window 6 is additionally provided at position；The window 6 is used to expose the external screw thread of above-mentioned output sleeve 5；It in this way can be from window 6
Manual rotary output axis set realizes the micro-adjustment for promoting position；Therefore it says, meniscus suture provided by the embodiment of the utility model
Device not only has the function of electric drive spiral pushing, can also equally realize manual actuation auger.
Preferably, as a kind of implementable solution；The shank 2 and the output sleeve 5 are stainless steel structure part.
It should be noted that shank can be selected with output sleeve in the specific technical solution of the utility model embodiment
Multiple structural forms are selected, but as in most preferred technical solution, need to consider its structural strength and structural reliability, because
This shank, output sleeve may be selected to use stainless steel structure part.
Meniscus suture tool provided by the embodiment of the utility model has the technical advantage of following aspect:
One, meniscus stitching unstrument provided by the embodiment of the utility model, structure design are more reasonable；Wherein, half a month plate stitch
Clutch is mainly by handle, the propulsion device (driving device for slow-run, output sleeve) that handle is arranged in, shank, setting in shank
The structures such as the implant fixing piece of head end are constituted；It will be apparent that above-mentioned handle, shank, driving device for slow-run, output sleeve, setting
Connection relationship and positional relationship between the specific structures such as the implant fixing piece of shank head end have reasonable layout to set
Meter；Therefore meniscus stitching unstrument provided by the embodiment of the utility model, technical construction is more reasonable, and function is more perfect, real
It is also stronger with property.
Two, meniscus stitching unstrument provided by the embodiment of the utility model, output sleeve are to realize that helical rotation acts
Direct organization device；Driving device for slow-run is then the device of output power simultaneously；Driving device for slow-run drives the output sleeve
It generates rotational action and output sleeve is pushed to move back and forth in shank；When output sleeve is rotated outward along shank, so that it may
It releases and (advances) to push the implant fixing piece at shank head-end location to realize, which more preferably controls
System, even and if manual operation output sleeve rotational action, it is same to transmit that power is more stable, and operation precision also be higher.
Based on above many significant technical advantages, meniscus stitching unstrument provided by the utility model will bring good
Market prospects and economic benefit.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of meniscus stitching unstrument, which is characterized in that exist including handle, the propulsion device being arranged at handle, shank, setting
The implant fixing piece of shank head end；
Wherein, the propulsion device includes driving device for slow-run, output sleeve；The driving device for slow-run and the output sleeve
One end connection, and the other end of the output sleeve contacts fitting with the implant fixing piece；The driving device for slow-run
For driving the output sleeve to generate rotational action and output sleeve being pushed to move back and forth in shank.
2. meniscus stitching unstrument as described in claim 1, which is characterized in that
Internal screw thread is provided on the shank；And the outside of the output sleeve is provided with external screw thread, the output sleeve it is outer
The screw-internal thread fit of screw thread and the shank.
3. meniscus stitching unstrument as described in claim 1, which is characterized in that
The driving device for slow-run includes motor and gear-box；The motor is rotated by the gear-box and the output sleeve
Cooperation.
4. meniscus stitching unstrument as described in claim 1, which is characterized in that
The inside of handle is arranged in the driving device for slow-run.
5. meniscus stitching unstrument as claimed in claim 3, which is characterized in that
The handle is internally provided with motor sliding cavity；The motor is slidably matched with the motor sliding cavity.
6. meniscus stitching unstrument as claimed in claim 5, which is characterized in that
The motor sliding cavity is cylindrical cavity.
7. meniscus stitching unstrument as claimed in claim 5, which is characterized in that
It is additionally provided at the handle and is driven forward button and reverse drive button；The forward drive button and the reversion are driven
Dynamic button is electrically connected with the motor respectively；The forward drive button rotates clockwise movement for driving motor；It is described anti-
Turn activation button for driving motor spinning movement counterclockwise.
8. meniscus stitching unstrument as claimed in claim 5, which is characterized in that
The motor is servo motor.
9. meniscus stitching unstrument as described in claim 1, which is characterized in that
Window is additionally provided on the side wall of the handle and at the front position of the handle；The window is for exposing
The external screw thread of above-mentioned output sleeve.
10. meniscus stitching unstrument as described in claim 1, which is characterized in that
The shank and the output sleeve are stainless steel structure part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821994790.XU CN209252988U (en) | 2018-11-29 | 2018-11-29 | A kind of meniscus stitching unstrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821994790.XU CN209252988U (en) | 2018-11-29 | 2018-11-29 | A kind of meniscus stitching unstrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209252988U true CN209252988U (en) | 2019-08-16 |
Family
ID=67565372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821994790.XU Active CN209252988U (en) | 2018-11-29 | 2018-11-29 | A kind of meniscus stitching unstrument |
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| Country | Link |
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| CN (1) | CN209252988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350150A (en) * | 2018-11-29 | 2019-02-19 | 北京天星博迈迪医疗器械有限公司 | A kind of meniscus stitching unstrument |
| CN114831680A (en) * | 2022-06-02 | 2022-08-02 | 北京天星博迈迪医疗器械有限公司 | Full suture anchor implantation device |
-
2018
- 2018-11-29 CN CN201821994790.XU patent/CN209252988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350150A (en) * | 2018-11-29 | 2019-02-19 | 北京天星博迈迪医疗器械有限公司 | A kind of meniscus stitching unstrument |
| CN114831680A (en) * | 2022-06-02 | 2022-08-02 | 北京天星博迈迪医疗器械有限公司 | Full suture anchor implantation device |
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Address after: A018, 1st floor, building 1, 25 Jinghai 2nd Road, Beijing Economic and Technological Development Zone, Beijing Patentee after: Beijing Tianxing Medical Co.,Ltd. Address before: A018, 1st floor, building 1, 25 Jinghai 2nd Road, Beijing Economic and Technological Development Zone, Beijing Patentee before: BEIJING TIANXING BOMAIDI MEDICAL EQUIPMENT Co.,Ltd. |