CN204700884U - A kind of stereotaxis biopsy is with bed auxiliary positioning mechanical arm - Google Patents
A kind of stereotaxis biopsy is with bed auxiliary positioning mechanical arm Download PDFInfo
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- CN204700884U CN204700884U CN201520381351.1U CN201520381351U CN204700884U CN 204700884 U CN204700884 U CN 204700884U CN 201520381351 U CN201520381351 U CN 201520381351U CN 204700884 U CN204700884 U CN 204700884U
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Abstract
A kind of stereotaxis biopsy is with bed auxiliary positioning mechanical arm, there is support bar, it is characterized in that: the fixture be connected with CT bed is housed in support bar lower end, support bar is equipped with liftable positioning link, by liftable positioning link, mechanical arm is housed, in the front end of mechanical arm, puncture needle retaining device is installed, described puncture needle retaining device has holder, the upper surface of holder is hierarchic structure, in holder higher side, adjusting screw(rod) is housed, on the table top of holder lower side, forward end is equipped with left and right two root posts, on left and right pillar, correspondence is equipped with left linkages group, form the effective clamping to puncture needle, left linkages group separately one end is hingedly mounted on a draw back plate by rotating shaft, this draw back plate and adjusting screw(rod) form push-pull configuration and are connected, the utility model solves all inconvenience that existing stereo-directional puncture biopsy takes hand operation to bring, and makes aspiration biopsy operate accurate positioning, to be easy to implement, safety, is mainly used in auxiliary positioning operation in CT guided percutaneous biopsy.
Description
Technical field
The utility model relates to clinic diagnosis medical equipment, and specifically a kind of stereotaxis biopsy is with bed auxiliary positioning mechanical arm.
Background technology
Current stereo-directional puncture biopsy operation all adopts free-hand formula to operate, and doctor need rely on the continuous accumulation of progressively cultivation, the personal experience of operating handle, completes the medical care precess that this is important.In operation, inevitably need repeatedly to adjust puncture needle angle (direction), and CT machine room of repeatedly coming in and going out, both the operating time was added, too increase the probability of happening of complication, turn increase doctor and the open-assembly time of patient under medical radiation condition, add unnecessary therapeutic radiation dose.Due to all inconvenience that free-hand formula operates, make many medical institutions cannot carry out this important clinical operation of diagnosis and treatment safely, widely.
Summary of the invention
The purpose of this utility model be exactly to solve existing stereo-directional puncture biopsy adopt hand operation to need abundant clinical manipulation experience, repeatedly adjust, operate consuming time, easily produce complication, uneasy congruent variety of problems, provide a kind of stereotaxis biopsy with bed auxiliary positioning mechanical arm.
Concrete scheme of the present utility model is: a kind of stereotaxis biopsy is with bed auxiliary positioning mechanical arm, there is support bar, it is characterized in that: the fixture be connected with CT bed is housed in the lower end of support bar, support bar is equipped with liftable positioning link, by liftable positioning link, mechanical arm is housed, in the front end of mechanical arm, puncture needle retaining device is installed, described puncture needle retaining device has holder, the upper surface of holder is hierarchic structure, adjusting screw(rod) is equipped with in the side higher at holder, the outer end of adjusting screw(rod) is provided with handwheel, on the side table top that holder is lower, forward end is equipped with left and right two root posts, on left and right pillar, correspondence is equipped with a left side, right connecting rod group, each connection rod set includes that one is long and the other is short two connecting rods be hinged, the outer end of long connecting rod has been welded clamping head, two clamping heads in left and right clamp layout relatively, the opposite face of two clamping heads respectively has two corresponding semicircle orifices arranged, form the effective clamping to puncture needle, two short connecting rod outer ends in left linkages group are hingedly mounted on a draw back plate by rotating shaft, this draw back plate and adjusting screw(rod) form push-pull configuration and are connected.
The positioning link of liftable described in the utility model, include two 90 ° of cutting ferrules connected each other, the external port of cutting ferrule is provided with flange, and flange is equipped with clamping screw, and clamping screw afterbody is provided with handwheel.
The fixture of the lower end of support bar described in the utility model is a Horizontal U-shaped card structure, and fishbolt is equipped with on the base of U-shaped card, and the upper end of fishbolt is provided with cushion block, and handwheel is equipped with in lower end.
Mechanical arm described in the utility model comprises a transverse arm and forms scalable connection with liftable positioning link, and the front end of transverse arm is hinged with a swing arm, and hinged place is provided with positioning and locking bolt, and described mechanical arm also directly can adopt Universal arm.
In mechanical arm described in the utility model, transverse arm and swing arm hinged place are provided with corner dial.
In the utility model, draw back plate is connected with the push-pull configuration of adjusting screw(rod) is be provided with one section of polished rod in the front end of adjusting screw(rod), the outer end of polished rod has a bit of screw to be furnished with nut, longitudinal hole is had in draw back plate, draw back plate is installed in polished rod, adjusting screw(rod) is contained in the screw hole of holder, is seesawing of draw back plate by the rotational transform of adjusting screw(rod).
Draw back plate described in the utility model is connected with the push-pull configuration of adjusting screw(rod), in holder, offer longitudinal rectangle slideway, in slideway, slide block is installed, screwed hole is had in slide block, adjusting screw(rod) is connected with slide block screwed hole, and be seesawing of slide block by holder by the rotational transform of adjusting screw(rod), slide block is connected with draw back plate.
On support bar, be provided with altitude scale in the utility model, or be carved with reference mark.
Using method of the present utility model is as follows:
After aspiration biopsy aspect is determined in 1.CT scanning, adjustment CT bed, utilizes bed coordinate and CT to carry laser lamp positioning function, demarcates aspiration biopsy aspect at CT bed surface, be defined as markings.
2. operate in display interface at CT, determine the entry point that punctures, and simulate safe puncture path, in this interface, utilize CT software to carry instrument simultaneously, measure depth of needle and needle angle (puncture needle and horizontal bed surface angle).
3. by the utility model localization machine mechanical arm according to the markings position demarcated in the first step, be fixed on CT bed surface, mechanical arm length in adjustment the utility model, angle, and by puncture needle retaining device 11, puncture needle 12 is fixed on the puncture entry point surface demarcated in second step, state before simulation puncture inserting needle, the method of operating wherein clamping puncture needle 12 is: first rotate adjusting screw(rod) 27 and draw back plate 26 is travelled forward, then two clamping heads 23 open, put in the circular hole that one or two root puncture pins 12 are formed at two clamping heads, rotate adjusting screw(rod) 27 again, draw back plate 26 is retreated, and two clamping heads 23 mutually draw close clamping puncture needle 12 under the effect of left linkages group, see Fig. 1.
4. CT scan again, with second step whether checking puncture needle inserting needle path preset puncture path and coincide, and if any deviation, can be adjusted to satisfactory path according to this scan-image.
5. surgical doctor only needs, along the direction of puncture needle retaining device restriction, puncture needle 12 to be pushed to default depth of needle, and whether CT scan checking puncture needle successfully enters lesion again.
6. puncture needle has been fixed in patient body, removes the utility model localization machine mechanical arm, carries out subsequent operation to facilitate surgical doctor.
The utility model has the following advantages:
1. device light, be convenient to dismounting, accurate positioning, practical with bed.
2. the inserting needle path of simulation puncture in advance, avoids hand operation repeatedly to adjust in patient body, reduces operation consuming time, reduce complication probability of happening, reduce patient and the open-assembly time of doctor in medical radiation environment.
3. locate, operate precisely, especially for implementing the less medical institutions of this operating experience and doctor individual, successful operation rate can be improved, reduce complication rate.
Accompanying drawing explanation
Fig. 1 is the utility model general structure schematic perspective view;
Fig. 2 is liftable positioning link schematic perspective view;
Fig. 3 is A place zoomed-in view in Fig. 1;
Fig. 4 is the main sectional view of one of puncture needle retaining device;
Fig. 5 is the top view of one of puncture needle retaining device;
Fig. 6 is the main sectional view of puncture needle retaining device two.
In figure: 1-handwheel, 2-fishbolt, 3-cushion block, 4-U-shaped card, 5-support bar, 6-altitude scale, 7-liftable positioning link, 8-transverse arm, 9-positioning and locking bolt, 10-swing arm, 11-puncture needle clamping device, 12-puncture needle, 13-cutting ferrule, 14-clamping screw, 15-handwheel, 16-flange, 17-corner dial, 18-holder, 19-polished rod, 20-nut, 21-column, 22-semicircle orifice, 23-clamping head, 24-long connecting rod, 25-short connecting rod, 26-draw back plate, 27-adjusting screw(rod), 28-handwheel, 29-slide block, 30-rectangle slideway.
Detailed description of the invention
Example 1: see Fig. 1, the utility model structure has a support bar 5, it is characterized in that: the fixture be connected with CT bed is housed in the lower end of support bar 5, this fixture is Horizontal U-shaped card 4 structure, fishbolt 2 is equipped with on the base of U-shaped card 4, the upper end of fishbolt 2 is provided with cushion block 3, and handwheel 15 is equipped with in lower end, certainly can also adopt other fixture for convenience detach.Support bar 5 is equipped with liftable positioning link 7, by liftable positioning link 7, mechanical arm is housed, in the front end of mechanical arm, puncture needle retaining device 11 is installed, described puncture needle retaining device 11, see Fig. 4, 5, it has holder 18, the upper surface of holder 18 is hierarchic structure, in the side that holder 18 is higher, adjusting screw(rod) 27 is housed, the outer end of adjusting screw(rod) 27 is provided with handwheel 28, on the side table top that holder 18 is lower, forward end is equipped with left and right two root posts 21, on left and right pillar 21, correspondence is equipped with a left side, right connecting rod group, each connection rod set includes that one is long and the other is short two connecting rods be hinged, the outer end of long connecting rod 24 has been welded clamping head 23, two clamping heads 23 in left and right clamp layout relatively, the opposite face of two clamping heads 23 respectively has two corresponding semicircle orifices 22 arranged, form the effective clamping to puncture needle 12, two short connecting rod 25 outer ends in left linkages group are hingedly mounted on a draw back plate 26 by rotating shaft, this draw back plate 26 forms push-pull configuration with adjusting screw(rod) 27 and is connected.
The positioning link of liftable described in the present embodiment 7, see Fig. 2, it includes two 90 ° of cutting ferrules 13 connected each other, and the external port of cutting ferrule 13 is provided with flange 16, flange 16 is equipped with clamping screw 14, and clamping screw 14 afterbody is provided with handwheel 15.
Mechanical arm described in the present embodiment comprises a transverse arm 8 and forms scalable connection with liftable positioning link 7, the front end of transverse arm 8 is hinged with a swing arm 10, hinged place is provided with positioning and locking bolt 9, and transverse arm 8 and swing arm 10 hinged place are provided with corner dial 17, see Fig. 3 in mechanical arm.
It is be provided with one section of polished rod 19 in the front end of adjusting screw(rod) 27 that draw back plate 26 described in the present embodiment is connected with the push-pull configuration of adjusting screw(rod) 27, the outer end of polished rod 19 has a bit of screw to be furnished with nut 20, have to through hole in draw back plate 26, draw back plate 26 is installed in polished rod 19, adjusting screw(rod) 27 is contained in the screw hole of holder 18, is seesawing of draw back plate 26 by the rotational transform of adjusting screw(rod) 27.
In the present embodiment, support bar 5 is provided with altitude scale 6, (or being carved with reference mark).
Example 2: see Fig. 1, two basic structures of the utility model structure are with example 1, and mechanical arm is wherein the Universal arm directly adopting HXWB-I type; Puncture clamping device 11 is wherein see Fig. 6, it is offer to rectangle slideway 30 in holder 18 that its draw back plate 26 is connected with the push-pull configuration of adjusting screw(rod) 27, slide block 29 is installed in slideway, screwed hole is had in slide block 29, adjusting screw(rod) 27 is connected with slide block 29 screwed hole, and be seesawing of slide block 29 by holder 18 by the rotational transform of adjusting screw(rod) 27, slide block 29 is connected with draw back plate 26.
Claims (8)
1. stereotaxis biopsy is with bed auxiliary positioning mechanical arm, there is support bar, it is characterized in that: the fixture be connected with CT bed is housed in the lower end of support bar, support bar is equipped with liftable positioning link, by liftable positioning link, mechanical arm is housed, in the front end of mechanical arm, puncture needle retaining device is installed, described puncture needle retaining device has holder, the upper surface of holder is hierarchic structure, adjusting screw(rod) is equipped with in the side higher at holder, the outer end of adjusting screw(rod) is provided with handwheel, on the side table top that holder is lower, forward end is equipped with left and right two root posts, on left and right pillar, correspondence is equipped with a left side, right connecting rod group, each connection rod set includes that one is long and the other is short two connecting rods be hinged, the outer end of long connecting rod has been welded clamping head, two clamping heads in left and right clamp layout relatively, the opposite face of two clamping heads respectively has two corresponding semicircle orifices arranged, form the effective clamping to puncture needle, two short connecting rod outer ends in left linkages group are hingedly mounted on a draw back plate by rotating shaft, this draw back plate and adjusting screw(rod) form push-pull configuration and are connected.
2. stereotaxis biopsy according to claim 1 is with bed auxiliary positioning mechanical arm, it is characterized in that: described liftable positioning link, include two 90 ° of cutting ferrules connected each other, the external port of cutting ferrule is provided with flange, flange is equipped with clamping screw, and clamping screw afterbody is provided with handwheel.
3. stereotaxis biopsy according to claim 1 is with bed auxiliary positioning mechanical arm, it is characterized in that: the fixture of described support bar lower end is a Horizontal U-shaped card structure, fishbolt is equipped with on the base of U-shaped card, and the upper end of fishbolt is provided with cushion block, and handwheel is equipped with in lower end.
4. stereotaxis biopsy according to claim 1 is with bed auxiliary positioning mechanical arm, it is characterized in that: described mechanical arm comprises a transverse arm and forms scalable connection with liftable positioning link, the front end of transverse arm is hinged with a swing arm, hinged place is provided with positioning and locking bolt, and described mechanical arm also directly can adopt Universal arm.
5. stereotaxis biopsy according to claim 4 is with bed auxiliary positioning mechanical arm, is characterized in: in described mechanical arm, transverse arm and swing arm hinged place are provided with corner dial.
6. stereotaxis biopsy according to claim 1 is with bed auxiliary positioning mechanical arm, it is characterized in that: it is be provided with one section of polished rod in the front end of adjusting screw(rod) that described draw back plate is connected with the push-pull configuration of adjusting screw(rod), the outer end of polished rod has a bit of screw to be furnished with nut, longitudinal hole is had in draw back plate, draw back plate is installed in polished rod, adjusting screw(rod) is contained in the screw hole of holder, is seesawing of draw back plate by the rotational transform of adjusting screw(rod).
7. stereotaxis biopsy according to claim 1 is with bed auxiliary positioning mechanical arm, it is characterized in that: described draw back plate is connected with the push-pull configuration of adjusting screw(rod), in holder, offer longitudinal rectangle slideway, in slideway, slide block is installed, screwed hole is had in slide block, adjusting screw(rod) is connected with slide block screwed hole, and is seesawing of slide block by holder by the rotational transform of adjusting screw(rod), and slide block is connected with draw back plate.
8. stereotaxis biopsy according to claim 1 is with bed auxiliary positioning mechanical arm, it is characterized in that: on support bar, be provided with altitude scale, or is carved with reference mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381351.1U CN204700884U (en) | 2015-06-04 | 2015-06-04 | A kind of stereotaxis biopsy is with bed auxiliary positioning mechanical arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381351.1U CN204700884U (en) | 2015-06-04 | 2015-06-04 | A kind of stereotaxis biopsy is with bed auxiliary positioning mechanical arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204700884U true CN204700884U (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520381351.1U Expired - Fee Related CN204700884U (en) | 2015-06-04 | 2015-06-04 | A kind of stereotaxis biopsy is with bed auxiliary positioning mechanical arm |
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| CN (1) | CN204700884U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842351A (en) * | 2015-06-04 | 2015-08-19 | 尹中元 | Bedside mechanical arm for auxiliary positioning in stereotactic biopsy |
| CN107582149A (en) * | 2017-10-16 | 2018-01-16 | 李静 | One kind is used for CT Conducted Puncture positioners |
| CN111603690A (en) * | 2020-05-22 | 2020-09-01 | 温州市中心医院 | Radiotherapy department positioning bed for auxiliary positioning based on multipoint positioning structure |
| CN114939884A (en) * | 2022-06-20 | 2022-08-26 | 深圳传世生物医疗有限公司 | Clamping device and equipment |
-
2015
- 2015-06-04 CN CN201520381351.1U patent/CN204700884U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842351A (en) * | 2015-06-04 | 2015-08-19 | 尹中元 | Bedside mechanical arm for auxiliary positioning in stereotactic biopsy |
| CN107582149A (en) * | 2017-10-16 | 2018-01-16 | 李静 | One kind is used for CT Conducted Puncture positioners |
| CN111603690A (en) * | 2020-05-22 | 2020-09-01 | 温州市中心医院 | Radiotherapy department positioning bed for auxiliary positioning based on multipoint positioning structure |
| CN114939884A (en) * | 2022-06-20 | 2022-08-26 | 深圳传世生物医疗有限公司 | Clamping device and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20160604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |