CN209916095U - Endoscope needle holder with rotatable needle holding end - Google Patents
Endoscope needle holder with rotatable needle holding end Download PDFInfo
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- CN209916095U CN209916095U CN201920415447.3U CN201920415447U CN209916095U CN 209916095 U CN209916095 U CN 209916095U CN 201920415447 U CN201920415447 U CN 201920415447U CN 209916095 U CN209916095 U CN 209916095U
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Abstract
The utility model discloses a rotatable chamber mirror needle holder of needle holding end. The endoscope needle holder with the rotatable needle holding end comprises a needle holder body, a clamping mechanism and a rotating mechanism, wherein the front end of the needle holder body is a forceps mouth, the forceps mouth is connected with a second column body, the second column body is connected with a rotating sleeve at the front end of the needle holder body in a sliding mode, the lower end of the second column body is connected with a first column body in a rotating mode, the lower end of the first column body is connected with the needle holder body, a fourth gear is arranged on the second column body, the fourth gear is meshed with a third gear arranged on a third gear shaft, the third gear shaft is connected with the second gear shaft in a sliding mode, the second gear arranged on the second gear shaft is meshed with a first gear arranged on the first gear shaft, and the first gear shaft is connected with. By shifting the first gear shaft, the second cylinder drives the rotating sleeve and the forceps mouth to rotate synchronously through transmission, so that the angle of the needle holding end in the minimally invasive surgery can be adjusted, and the suturing difficulty of the surgery is reduced.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to endoscope needle holder.
Background
The Chinese database discloses a patent named a laparoscope magnetic needle holder, which is disclosed as CN2003201120101, 2003.10.22, CN2649024 and 2004.10.20 on the granted bulletin date and comprises a needle holder mouth, a bracket and a handle, wherein the bracket or the handle of the needle holder is provided with a magnetic substance which is a columnar magnet or a spiral charged coil arranged in the needle holder. The disadvantages are that: the needle holding end of the laparoscopic needle holder with the scissors cannot be adjusted in angle in a minimally invasive surgery, so that the suture difficulty of the surgery is increased.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a cavity mirror needle holder with a rotatable needle holding end, which is convenient for the operation.
In order to realize the purpose of the utility model, the utility model provides a pair of rotatable chamber mirror needle holder of needle-holding end adopts following technical scheme:
an endoscope needle holder with a rotatable needle holding end comprises a needle holder body, a clamping mechanism and a rotating mechanism, wherein the needle holder body comprises a left handle, a right handle, a middle seat body and a hollow fixed sleeve, the bottom end of the hollow fixed sleeve is connected with the upper end of the middle seat body, the lower end of the middle seat body is respectively connected with the corresponding left handle and right handle, the left handle comprises a left ring body and a left connecting rod, the lower end of the left connecting rod is connected with the left ring body, the upper end of the left connecting rod is hinged with the left side of the middle seat body, the right handle comprises a right ring body and a right connecting rod, the lower end of the right connecting rod is connected with the right ring body, and the upper end of the right connecting rod is hinged with;
the clamping mechanism comprises a first cylinder, a second cylinder, a clamp mouth, a left support rod and a right support rod, the first cylinder is connected with the middle base in a sliding mode, the upper end of the first cylinder is arranged in the hollow fixed sleeve, the lower end of the first cylinder is arranged between the left connecting rod and the right connecting rod, the lower end of the first cylinder is hinged to the end portions of the left support rod and the right support rod through the same rotating shaft, the other end of the left support rod is hinged to the middle portion of the left connecting rod, the other end of the right support rod is hinged to the middle portion of the right connecting rod, the first cylinder, the second cylinder and the hollow fixed sleeve are coaxially arranged, the lower end of the second cylinder is rotatably connected with the upper end of the first cylinder by taking an axis as a rotating center, and the clamp;
the rotating mechanism comprises a first gear shaft, a second gear shaft, a third gear shaft, a fourth gear and a rotating sleeve, the axes of the first gear shaft, the second gear shaft and the second column are parallel to each other, the second gear shaft and the third gear shaft are coaxially arranged, the first gear shaft is rotatably connected with a bracket arranged on the outer wall of the hollow fixing sleeve, the middle part of the first gear shaft is provided with the first gear, the first gear is in matched meshing with the second gear arranged at the middle part of the second gear shaft, the lower end of the second gear shaft is rotatably connected with the middle base body by taking the axis as a rotating center, the lower end of the third gear shaft is in sliding connection with the upper end of the second gear shaft, the middle part of the third gear shaft is fixedly connected with the second column, the upper end of the third gear shaft is provided with the third gear, and the third gear is in matched meshing with the fourth gear arranged on the second column, the lower end of the rotating sleeve is rotatably connected with the upper end of the hollow fixed sleeve by taking an axis as a rotating center, and the upper end of the second cylinder is slidably connected with the rotating sleeve.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
further: the upper end of the first column body is connected with a fixed seat, the upper end face of the fixed seat is provided with a hemispherical lower groove, a ball body is placed in the lower groove, the upper end face of the fixed seat is further connected with a gland which limits the ball body in the lower groove, the gland is provided with a hemispherical upper groove corresponding to the ball body, and the lower end of the second column body penetrates through a through hole correspondingly formed in the gland to be connected with the ball body. The beneficial effect of this step: the first cylinder is rotatably connected with the second cylinder through the rotation of the ball body.
Further: the middle part of the third gear shaft is provided with a first annular convex shoulder, the lower end face of the gland is provided with a first groove corresponding to the first annular convex shoulder, and the third gear shaft penetrates through the through holes correspondingly formed in the fixing seat and the gland and arranges the first annular convex shoulder in the first groove. The beneficial effect of this step: the third gear shaft is fixedly connected with the second column body through the first annular convex shoulder.
Further: the upper end face of the second gear shaft is provided with a second groove along the axis, the lower end of the third gear shaft is arranged in the second groove in a sliding mode, the circumference of the lower end of the third gear shaft is provided with a first guide block towards the outer side in the radial direction, the side wall of the second groove is provided with a first guide groove corresponding to the first guide block, and the first guide groove is arranged along the axial direction of the second gear shaft. The beneficial effect of this step: the first guide block realizes the sliding connection of the second gear shaft and the third gear shaft on one hand, and realizes the synchronous rotation of the second gear shaft and the third gear shaft on the other hand.
Further: the end part of the upper end of the second cylinder is connected with a sliding block, the periphery of the sliding block protrudes to form a second guide block, and the inner wall of the rotating sleeve corresponds to the second guide block along the axial direction and is provided with a second guide groove. The beneficial effect of this step: the second guide block realizes that the second cylinder is connected with the rotation of the rotating sleeve on the one hand, and realizes the synchronous rotation of the rotating sleeve and the second cylinder on the other hand.
Further: the reference circle diameter of the second gear is larger than that of the first gear, and the reference circle diameter of the fourth gear is larger than that of the third gear. The beneficial effect of this step: the setting makes the drive ratio from first gear to fourth gear reduce in proper order more than, and when first tooth rotated an angle, through the speed reduction of multistage gear, the relative first gear of fourth gear can only rotate a small-angle, has improved the accuracy of operation implementation.
Further: the lower end of the first gear shaft is connected with a rotating block. The beneficial effect of this step: the rotation of the first gear shaft is driven by rotating the rotating block.
The utility model has the advantages that: when the forceps mouth clamps the suture needle, the first gear shaft is shifted to rotate and is sequentially transmitted to the second cylinder through the second gear shaft and the third gear shaft, so that the second cylinder drives the rotating sleeve and the forceps mouth to rotate synchronously, the angle of the needle holding end in the minimally invasive surgery can be adjusted, and the suture difficulty of the surgery is reduced.
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. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a partial enlarged view of B in FIG. 2;
FIG. 4 is an enlarged view of a portion C of FIG. 1;
fig. 5 is a partial enlarged view of D in fig. 1.
In the drawing, 1 a needle holder body, 101 a left handle, 102 a right handle, 103 a middle seat body, 104 a hollow fixed sleeve, 105 a left ring body, 106 a left connecting rod, 107 a right ring body, 108 a right connecting rod, 2 a clamping mechanism, 201 a first column, 202 a second column body, 203 a jaw, 204 a left strut, 205 a right strut, 206 a fixed seat, 207 a sphere, 208 a gland, 209 a left driving rod, 210 a right driving rod, 211 a left jaw body, 212 a right jaw body, 3 a rotating mechanism, 301 a first gear shaft, 302 a second gear shaft, 303 a third gear shaft, 304 a fourth gear, 305 a rotating sleeve, 306 a bracket, 307 a first gear, 308 a second gear, 309 a second groove, 310 a first guide block, 311 a first guide groove, 312 a first annular shoulder 318, 313 a first groove, 314 a third gear, 315 a pressing sleeve, 316 a positioning groove, 317 a boss, a sliding block, 319 a second guide block, 320 a second guide groove, 321 a second annular shoulder, 322 a stop block.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-5, an endoscopic needle holder with a rotatable needle holding end comprises a needle holder body 1, a clamping mechanism 2 and a rotating mechanism 3, wherein the needle holder body comprises a left handle 101, a right handle 102, a middle seat 103 and a hollow fixed sleeve 104, the bottom end of the hollow fixed sleeve is connected with the upper end of the middle seat, the lower end of the middle seat is respectively connected with the left handle and the right handle, the left handle comprises a left ring body 105 and a left connecting rod 106, the lower end of the left connecting rod is connected with the left ring body, the upper end of the left connecting rod is hinged with the left side of the middle seat, the right handle comprises a right ring body 107 and a right connecting rod 108, the lower end of the right connecting rod is connected with the right; the clamping mechanism comprises a first cylinder 201, a second cylinder 202, a clamp mouth 203, a left support rod 204 and a right support rod 205, the first cylinder is connected with the middle seat body in a sliding way, the upper end of the first cylinder is arranged in the hollow fixed sleeve, the lower end of the first cylinder is arranged between the left connecting rod and the right connecting rod, the lower end of the first cylinder is respectively hinged with the end parts of the left support rod and the right support rod through the same rotating shaft, the other end of the left support rod is hinged with the middle part of the left connecting rod, the other end of the right support rod is hinged with the middle part of the right connecting rod, the first cylinder, the second cylinder and the hollow fixed sleeve are coaxially arranged, the upper end of the first cylinder is connected with a fixed seat 206, the upper end surface of the fixed seat is provided with a hemispherical lower groove, a ball 207 is placed in the lower groove, the upper end surface of the fixed seat, the pressing force of the pressing cover to the ball body is controlled, the rotation performance of the second cylinder body is controlled, the second cylinder body is prevented from rotating under the action of small force, and the clamp mouth is arranged at the upper end of the second cylinder body; the rotating mechanism comprises a first gear shaft 301, a second gear shaft 302, a third gear shaft 303, a fourth gear 304 and a rotating sleeve 305, the axes of the first gear shaft, the second gear shaft and the second cylinder are parallel to each other, the second gear shaft and the third gear shaft are coaxially arranged, the first gear shaft is rotatably connected with a bracket 306 arranged on the outer wall of the hollow fixing sleeve, a second annular shoulder 321 is arranged on the periphery of the middle part of the first gear shaft, the lower surface of the second annular shoulder is contacted with the lower surface of the bracket, the upper end of the first gear shaft is connected with a limiting block 322, the limiting block can be connected with the first gear shaft through glue bonding or bolt connection, the lower surface of the limiting block is contacted with the upper surface of the bracket, the first gear shaft is rotatably connected with the bracket through the second annular shoulder and the limiting block, the first gear 307 is arranged in the, the rotating block is cylindrical, the peripheral surface of the rotating block is provided with knurling for increasing friction force so as to facilitate the rotation by fingers, the first gear is meshed with a second gear 308 arranged in the middle of a second gear shaft in a matching way, the lower end of the second gear shaft is rotationally connected with the middle seat body by taking an axis as a rotation center, the upper end surface of the second gear shaft is provided with a second groove 309 along the axis, the lower end of a third gear shaft is arranged in the second groove in a sliding way, the circumference of the lower end of the third gear shaft is provided with a first guide block 310 along the radial outer side, the side wall of the second groove is provided with a first guide groove 311 corresponding to the first guide block, the first guide groove is arranged along the axial direction of the second gear shaft, the middle part of the third gear shaft is provided with a first annular convex shoulder 312, the lower end surface of the gland is provided with a first groove 313 corresponding to the first annular convex shoulder, the third gear shaft, the upper end of the third gear shaft is provided with a third gear 314, the third gear is meshed with a fourth gear arranged on the second column in a matching way, the lower end of the rotating sleeve is rotatably connected with the upper end of the hollow fixed sleeve by taking an axis as a rotating center, the concrete realization mode is as follows, as shown in figure 5, the upper end surface of the hollow fixed sleeve is connected with an annular pressing sleeve 315, the pressing sleeve is divided into two halves along the diameter direction, the two semicircular pressing sleeves are combined into a whole by gluing through glue after being placed on the rotating sleeve, an annular positioning groove 316 is formed between the lower end surface of the pressing sleeve and the upper end surface of the hollow fixed sleeve, the lower end of the rotating sleeve is provided with a boss 317 matched with the positioning groove, the boss is arranged in the positioning groove, the upper end part of the second column is connected with a sliding block 318, the periphery of the sliding block is protruded with a second, the pincers mouth includes left driving pole 209, right driving pole 210, left pincers body 211, right pincers body 212, left driving pole, right driving pole lower extreme is connected through the connecting rod rotation that stretches out with the sliding block upper end with same root pivot, left driving pole upper end is connected with right pincers body lower extreme rotation, right driving pole upper end is connected with left pincers body lower extreme rotation, left pincers body, right pincers body middle part is connected through same root pivot and rotation sleeve pipe rotation, the reference circle diameter of above second gear is greater than the reference circle diameter of first gear, the reference circle diameter of fourth gear is greater than the reference circle diameter of third gear.
The utility model discloses a concrete working process and principle:
the rotating block is rotated to drive the first gear shaft to rotate, the first gear transmits rotation to the second gear, the second gear shaft rotates to drive the third gear shaft to rotate, the third gear enables the fourth gear meshed with the third gear to rotate, so that the second column body is driven to rotate, the second column body enables the rotating sleeve and the forceps mouth to synchronously rotate through the sliding block at the upper end, the angle of the needle holding end in the minimally invasive surgery can be adjusted, and the suturing difficulty of the surgery is reduced.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. The utility model provides a rotatable chamber mirror needle holder of needle-holding end which characterized in that: the needle holder comprises a needle holder body, a clamping mechanism and a rotating mechanism, wherein the needle holder body comprises a left handle, a right handle, a middle seat body and a hollow fixed sleeve, the bottom end of the hollow fixed sleeve is connected with the upper end of the middle seat body, the lower end of the middle seat body is respectively connected with the corresponding left handle and right handle, the left handle comprises a left ring body and a left connecting rod, the lower end of the left connecting rod is connected with the left ring body, the upper end of the left connecting rod is hinged with the left side of the middle seat body, the right handle comprises a right ring body and a right connecting rod, the lower end of the right connecting rod is connected with the right ring body, and the upper end of the right connecting rod;
the clamping mechanism comprises a first cylinder, a second cylinder, a clamp mouth, a left support rod and a right support rod, the first cylinder is connected with the middle base in a sliding mode, the upper end of the first cylinder is arranged in the hollow fixed sleeve, the lower end of the first cylinder is arranged between the left connecting rod and the right connecting rod, the lower end of the first cylinder is hinged to the end portions of the left support rod and the right support rod through the same rotating shaft, the other end of the left support rod is hinged to the middle portion of the left connecting rod, the other end of the right support rod is hinged to the middle portion of the right connecting rod, the first cylinder, the second cylinder and the hollow fixed sleeve are coaxially arranged, the lower end of the second cylinder is rotatably connected with the upper end of the first cylinder by taking an axis as a rotating center, and the clamp;
the rotating mechanism comprises a first gear shaft, a second gear shaft, a third gear shaft, a fourth gear and a rotating sleeve, the axes of the first gear shaft, the second gear shaft and the second column are parallel to each other, the second gear shaft and the third gear shaft are coaxially arranged, the first gear shaft is rotatably connected with a bracket arranged on the outer wall of the hollow fixing sleeve, the middle part of the first gear shaft is provided with the first gear, the first gear is in matched meshing with the second gear arranged at the middle part of the second gear shaft, the lower end of the second gear shaft is rotatably connected with the middle base body by taking the axis as a rotating center, the lower end of the third gear shaft is in sliding connection with the upper end of the second gear shaft, the middle part of the third gear shaft is fixedly connected with the second column, the upper end of the third gear shaft is provided with the third gear, and the third gear is in matched meshing with the fourth gear arranged on the second column, the lower end of the rotating sleeve is rotatably connected with the upper end of the hollow fixed sleeve by taking an axis as a rotating center, and the upper end of the second cylinder is slidably connected with the rotating sleeve.
2. The endoscopic needle holder with a rotatable needle holding end according to claim 1, wherein: the upper end of the first column body is connected with a fixed seat, the upper end face of the fixed seat is provided with a hemispherical lower groove, a ball body is placed in the lower groove, the upper end face of the fixed seat is further connected with a gland which limits the ball body in the lower groove, the gland is provided with a hemispherical upper groove corresponding to the ball body, and the lower end of the second column body penetrates through a through hole correspondingly formed in the gland to be connected with the ball body.
3. The endoscopic needle holder with a rotatable needle holding end according to claim 2, wherein: the middle part of the third gear shaft is provided with a first annular convex shoulder, the lower end face of the gland is provided with a first groove corresponding to the first annular convex shoulder, and the third gear shaft penetrates through the through holes correspondingly formed in the fixing seat and the gland and arranges the first annular convex shoulder in the first groove.
4. The endoscopic needle holder with a rotatable needle holding end according to claim 3, wherein: the upper end face of the second gear shaft is provided with a second groove along the axis, the lower end of the third gear shaft is arranged in the second groove in a sliding mode, the circumference of the lower end of the third gear shaft is provided with a first guide block towards the outer side in the radial direction, the side wall of the second groove is provided with a first guide groove corresponding to the first guide block, and the first guide groove is arranged along the axial direction of the second gear shaft.
5. The endoscopic needle holder with a rotatable needle holding end according to claim 4, wherein: the end part of the upper end of the second cylinder is connected with a sliding block, the periphery of the sliding block protrudes to form a second guide block, and the inner wall of the rotating sleeve corresponds to the second guide block along the axial direction and is provided with a second guide groove.
6. The endoscopic needle holder with a rotatable needle holding end according to claim 5, wherein: the reference circle diameter of the second gear is larger than that of the first gear, and the reference circle diameter of the fourth gear is larger than that of the third gear.
7. The endoscopic needle holder with a rotatable needle holding end according to any one of claims 1 to 6, wherein: the lower end of the first gear shaft is connected with a rotating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415447.3U CN209916095U (en) | 2019-03-28 | 2019-03-28 | Endoscope needle holder with rotatable needle holding end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415447.3U CN209916095U (en) | 2019-03-28 | 2019-03-28 | Endoscope needle holder with rotatable needle holding end |
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| Publication Number | Publication Date |
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| CN209916095U true CN209916095U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920415447.3U Expired - Fee Related CN209916095U (en) | 2019-03-28 | 2019-03-28 | Endoscope needle holder with rotatable needle holding end |
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| Country | Link |
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| CN (1) | CN209916095U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109793545A (en) * | 2019-03-28 | 2019-05-24 | 常州市第二人民医院 | One kind holding the rotatable hysteroscope needle holder in needle end |
| CN111407368A (en) * | 2020-03-02 | 2020-07-14 | 亿盛欣科技(北京)有限公司 | Be used for CT to perspect and guide full-electric quick release type puncture needle inserter |
| CN111658038A (en) * | 2020-05-29 | 2020-09-15 | 温州市人民医院 | Needle holder used under laparoscope |
-
2019
- 2019-03-28 CN CN201920415447.3U patent/CN209916095U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109793545A (en) * | 2019-03-28 | 2019-05-24 | 常州市第二人民医院 | One kind holding the rotatable hysteroscope needle holder in needle end |
| CN109793545B (en) * | 2019-03-28 | 2024-06-14 | 常州市第二人民医院 | Needle holder of endoscope with rotatable needle holding end |
| CN111407368A (en) * | 2020-03-02 | 2020-07-14 | 亿盛欣科技(北京)有限公司 | Be used for CT to perspect and guide full-electric quick release type puncture needle inserter |
| CN111407368B (en) * | 2020-03-02 | 2022-04-08 | 亿盛欣科技(北京)有限公司 | Be used for CT to perspect and guide full-electric quick release type puncture needle inserter |
| CN111658038A (en) * | 2020-05-29 | 2020-09-15 | 温州市人民医院 | Needle holder used under laparoscope |
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Granted publication date: 20200110 Termination date: 20210328 |