CN205433845U - Slide orientation supporting mechanism in art of pjncture needle - Google Patents
Slide orientation supporting mechanism in art of pjncture needle Download PDFInfo
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- CN205433845U CN205433845U CN201620013596.3U CN201620013596U CN205433845U CN 205433845 U CN205433845 U CN 205433845U CN 201620013596 U CN201620013596 U CN 201620013596U CN 205433845 U CN205433845 U CN 205433845U
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Abstract
The utility model provides a slide orientation supporting mechanism in art of pjncture needle, include: slide mechanism, slide mechanism sets up and to slide in the side of operation table and along the length direction of operation table, the supporting mechanism and the guiding mechanism that connect gradually, the one end of supporting mechanism with the slide mechanism interlock is connected, through the slide mechanism adjustment the relative position of slide orientation supporting mechanism and operation table, it in X, Y, the epaxial displacement of Z and direction, makes its body surface preset position with the pjncture needle unanimous to adjust it through guiding mechanism, the pjncture needle is worn to locate in orientation system's the through -hole, orientation system forms the detachable relation of connection with guiding mechanism's one end. The utility model provides a fixing device in the art of pjncture needle can be fixed in body surface preset position with biopsy pjncture needle accuracy at the operation in -process, puts and the angle for art person observes puncture needle position to the image equipment, and the distance is sampling target point position, the angle condition of providing convenience on schedule.
Description
Technical field
This utility model relates to slip supporting mechanism for location in the art of a kind of puncture needle.
Background technology
Percutaneous biopsy: along with improving constantly of people's living standard, each tumor the most more and more betides human body.During clinic diagnosis, when the swollen physical property matter of some tissues is failed to understand, many application punctures take inspection technology, by obtaining suspect tissue, it are carried out pathology qualitative, and then give to treat further, therefore Biopsy becomes some tissue tumor best approach qualitatively.
It is very important a kind of invasive Clinics during present clinical diagnosis and treatment that puncture takes inspection, although can bring wound to patient, but take and examine the importance to clinic diagnosis undoubtedly, therefore can at utmost alleviate the injury to patient is that one necessarily requires.
During clinic diagnosis, when its pathologic feature not can determine that for suspicious lesions, puncture suspicious lesions tissue frequently with medical image biopsy needle guide (ultrasonic, x-ray or CT), cut a small amount of pathological tissues, determine lesion nature by pathological observation.
Now the clinical confused class of biopsy needle is miscellaneous many, but mostly all has that to take inspection sump volume little, and one-time puncture takes examines low success rate of shortcoming.Puncture needle includes nook closing member, needle guard, the most also needs to be equipped with special puncture rifle.
Take inspection process as follows:
1. it is properly attached to puncture rifle and puncture rifle is set in state to be excited by puncture needle core, needle guard.
2. guide location by medical image, determine that puncture needle enters suspicious lesions tissue target area.
3., after puncture target determines, excite puncture rifle.Puncture needle core initially enters pathological tissues, and parts of lesions tissue is in and takes in inspection groove, and Puncture needle sleeve subsequently enters.In the process, the pathological tissues taken in inspection groove is cut and overlaps to be stored in and takes in inspection groove by needle guard.
4. exit puncture needle, and take the pathological tissues in inspection groove.
Percutaneous puncture in treating art, percutaneous drainage, percutaneous puncture pain nerve retardance art is both needed to the predetermined target spot of venipuncture under CT and PET/CT positions, for guaranteeing that safety, percutaneous puncture process are required to take to monitor in real time method of needle insertion, or successively method of needle insertion inserting needle, owing to CT and PET/CT scanning is respectively provided with radioactivity, monitoring method of needle insertion makes surgical doctor, nurse suffer unnecessary radioactive ray dosage in real time, the most cancels.Currently mainly take successively method of needle insertion inserting needle puncture under CT and PET/CT Scan orientation.Puncture predetermined position skin and soft tissue first, needling length is shorter, CT and PET/CT scanning is needed to confirm tip position, but puncture needle cannot be fixed automatically, after leaving patient's hands, meeting is the most crooked and topples over, needle tip cannot the most accurately point to focus, due in CT and PET/CT scanning process patient cannot the most hand-held pin, otherwise can suffer excessive exposure.
Utility model content
Technical problem underlying to be solved in the utility model is to provide slip supporting mechanism for location in the art of a kind of puncture needle, biopsy needle accurately can be fixed in operation process body surface precalculated position, for observing puncture needle position and angle on patient to image documentation equipment, the condition that preset distance sampling target position, angle are provided convenience.
In order to solve above-mentioned technical problem, this utility model provides slip supporting mechanism for location in the art of a kind of puncture needle, including:
Slide mechanism, described slide mechanism be arranged on operation table side and along operation table length direction slide；
The supporting mechanism being sequentially connected with and guiding mechanism, one end of described supporting mechanism is connected with described slide mechanism；
The relative position of described slip supporting mechanism for location and operation table is adjusted by described slide mechanism；Its displacement in X, Y, Z axis and direction is regulated so that it is consistent with the body surface precalculated position of puncture needle by guiding mechanism；
Described puncture needle is arranged in the through hole of attitude reference device, and described attitude reference device forms dismountable annexation with one end of guiding mechanism.
In a preferred embodiment: described slide mechanism includes the slide rail being arranged at described operation table both sides, and one is placed in the slide block on described slide rail；
Described slide block has a positioning block, makes described locating piece switch between the first position and the second position by pressing button, and when locating piece is positioned at primary importance, it positions with described slide rail contact；When locating piece is positioned at the second position, it separates with described slide rail.
In a preferred embodiment: described supporting mechanism is hard tube；Described guiding mechanism is snakelike bending flexible pipe.
In a preferred embodiment: described guiding mechanism arranges an inserting column, described attitude reference device has a slot matched with inserting column.
In a preferred embodiment: described through hole is elastic through hole, and its aperture changes along with the puncture needle diameter passed.
In a preferred embodiment: one end of described supporting mechanism is connected with described slide mechanism by a joint；Described supporting mechanism is made to swing around described joint along the width of operation table.
Compared to prior art, the technical solution of the utility model possesses following beneficial effect:
1. slip supporting mechanism for location in the art of a kind of puncture needle that this utility model provides, is adjusted the relative position of whole slip supporting mechanism for location and operation table, reaches the effect substantially positioned by slide mechanism.Then adjust its position on X, Y, Z axis direction by guiding mechanism so that it is subscribe position with puncture needle body surface in art consistent.When medical personnel need to leave patient observe CT scan situation time, connected by attitude reference device and guiding mechanism, thus puncture needle is accurately fixed on body surface current location, therefore, regardless of paracentesis depth position, patient all can let go, and puncture needle will remain desired depth and angle, will not be the most crooked and topple over.For observing puncture needle position and angle on patient's image documentation equipment computer, the condition that preset distance sampling target position, angle are provided convenience.
2. slip supporting mechanism for location in the art of a kind of puncture needle that this utility model provides, attitude reference device has a through hole, and puncture needle is through described through hole spacing by it such that it is able to puncture needle is accurately fixed on current direction without there is deviation.
3. slip supporting mechanism for location in the art of a kind of puncture needle that this utility model provides, the through hole of attitude reference device is elastic through hole, and its aperture changes according to different puncture needles.Therefore go for various puncture needle to use, it is ensured that various transdermal therapeutic art arts need.
4. slip supporting mechanism for location in the art of a kind of puncture needle that this utility model provides, scanning bed with CT and PET/CT fixing by slide mechanism, can with CT and PET/CT scanning process in scanning bed and patient's synchronizing moving, displacement will not be produced, it is ensured that accuracy and safety.This fixing apparatus for puncture needle, it is to avoid in piercing process, the unnecessary position of puncture needle is moved, and directly reduces CT and PET/CT scanning times in paracentesis, can obviously reduce patient in paracentesis and suffer dose radiation.
5. slip supporting mechanism for location in the art of a kind of puncture needle that this utility model provides, it makes the equal high-intensity plastic product of material, will not produce radioactivity artifact during CT and PET/CT Scan orientation, disturbs image viewing.
6. slip supporting mechanism for location in the art of a kind of puncture needle that this utility model provides, its simple in construction, production cost is relatively low, possesses disposable condition, it is ensured that the cleaning in operation process.
Accompanying drawing explanation
Schematic diagram when Fig. 1 is that in this utility model preferred embodiment, guiding mechanism is not connected with attitude reference device；
Fig. 2 is the schematic diagram after guiding mechanism is connected with attitude reference device in this utility model preferred embodiment；
Fig. 3 is the generalized section of slide mechanism in this utility model preferred embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described further.
Reference Fig. 1-3, slip supporting mechanism for location in the art of a kind of puncture needle, including:
Slide mechanism 1, described slide mechanism 1 be arranged on operation table 10 side and along operation table 10 length direction slide；
The supporting mechanism 2 being sequentially connected with and guiding mechanism 3, one end of described supporting mechanism 2 is connected with described slide mechanism 1；
The relative position of described slip supporting mechanism for location 2 and operation table 10 is adjusted by described slide mechanism 1；Its displacement in X, Y, Z axis and direction is regulated so that it is consistent with the body surface precalculated position of puncture needle 4 by guiding mechanism 3；
Described puncture needle 4 is arranged in the through hole 51 of attitude reference device 5, and described attitude reference device 5 forms dismountable annexation with one end of guiding mechanism 3.
Therefore, slip supporting mechanism for location in the art of above-mentioned a kind of puncture needle, adjusted the relative position of whole slip supporting mechanism for location and operation table 10 by slide mechanism 1, reach the effect substantially positioned.Then adjust its position on X, Y, Z axis direction by guiding mechanism 3 so that it is subscribe position with the puncture needle 4 body surface in art consistent.When medical personnel need to leave patient observe CT scan situation time, connected by attitude reference device 5 and guiding mechanism 3, thus puncture needle 4 is accurately fixed on body surface current location, therefore, regardless of paracentesis depth position, patient all can let go, and puncture needle 4 will remain desired depth and angle, will not be the most crooked and topple over.For observing puncture needle position and angle on patient's image documentation equipment computer, the condition that preset distance sampling target position, angle are provided convenience.
The concrete structure of the present embodiment is as follows: described slide mechanism 1 includes the slide rail 11 being arranged at described operation table 10 both sides, and one is placed in the slide block 12 on described slide rail 11；
Described slide block 12 has a positioning block 13, makes described locating piece 13 switch between the first position and the second position by pressing button 14, and when locating piece 13 is positioned at primary importance, it positions with described slide rail 11 contact；When locating piece 13 is positioned at the second position, it separates with described slide rail 11.By above-mentioned structure, it is possible to realize slip and the location of slide block 12, after making medical personnel can move freely slide block 12 as required, again it is accurately fixed on the position of needs.
Described supporting mechanism 2 is hard tube, and its one end is fixing with described slide block 12 to be connected, and the other end is connected with guiding mechanism 3；Described guiding mechanism 3 is snakelike bending flexible pipe.By rotating, bending or stretch snakelike bending flexible pipe, it is possible to adjust its position on X, Y, Z axis direction.Adjustment mode is simple, and snakelike bending flexible pipe has certain weight capacity, will not just change its position after having installed puncture needle 4 additional because of one end.Thus while convenient adjustment position, can be accurately positioned again.
Described guiding mechanism 3 arranges an inserting column 31, and described attitude reference device 5 has a slot matched with inserting column 31.By inserting column and the cooperation of slot, it is possible to attitude reference device 5 is fixed on one end of guiding mechanism 3.By guiding mechanism 3 and supporting mechanism 2, attitude reference device 5 is fixed on current position and direction.Medical personnel are when carrying out puncturing operation, as long as the through hole 51 that puncture needle 4 passes attitude reference device 5 is carried out puncture procedure again.The carrying out of medical personnel's puncturing operation will not be affected because installing too much device additional.Until medical personnel need to leave patient, just attitude reference device 5 is connected with guiding mechanism 3.Further, when puncturing operation is carried out, guiding mechanism 3 can also be slid away from penetrating area by slide mechanism 1 by medical personnel, it is to avoid impact operation.
In the present embodiment, one end of described supporting mechanism 2 and joint 13 grafting, described joint 13 is fixing with described slide mechanism 1 to be connected；Described supporting mechanism 2 is made to swing around described joint 13 along the width of operation table 10.So arrange that to be because the telescopicing performance of snakelike bending flexible pipe limited, it is impossible to ensure that guiding mechanism 3 can be completely covered the width range of whole operation table 10.Therefore, joint 13 is added so that supporting mechanism 2 swings around described joint 13 along the width of operation table 10, also increases the guiding mechanism 3 range of accommodation on operation table 10 width.
Slip supporting mechanism for location in the art of above-mentioned a kind of puncture needle, attitude reference device 5 has a through hole 51, and puncture needle 4 is through described through hole 51 spacing by it such that it is able to puncture needle 4 is accurately fixed on current direction without there is deviation.In the present embodiment, described through hole 51 is elastic through hole, and its aperture changes along with puncture needle 4 diameter passed.Therefore go for various puncture needle to use, it is ensured that various transdermal therapeutic art arts need.
Slip supporting mechanism for location in the art of above-mentioned a kind of puncture needle, scanning bed fixing by slide mechanism and CT and PET/CT, can with CT and PET/CT scanning process in scanning bed and patient's synchronizing moving, displacement will not be produced, it is ensured that accuracy and safety.This fixing apparatus for puncture needle, it is to avoid in piercing process, the unnecessary position of puncture needle is moved, and directly reduces CT and PET/CT scanning times in paracentesis, can obviously reduce patient in paracentesis and suffer dose radiation.And, it is not necessary to make structural change to existing CT and PET/CT is scanning bed, there is good compatibility.
Slip supporting mechanism for location in the art of above-mentioned a kind of puncture needle, it makes the equal high-intensity plastic product of material, will not produce radioactivity artifact during CT and PET/CT Scan orientation, disturbs image viewing.Further, its simple in construction, production cost is relatively low, possesses disposable condition, it is ensured that the cleaning in operation process.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with scope of the claims.
Claims (6)
1. slip supporting mechanism for location in the art of a puncture needle, it is characterised in that including:
Slide mechanism, described slide mechanism be arranged on operation table side and along operation table length direction slide；
The supporting mechanism being sequentially connected with and guiding mechanism, one end of described supporting mechanism is connected with described slide mechanism；
The relative position of described slip supporting mechanism for location and operation table is adjusted by described slide mechanism；Its displacement in X, Y, Z axis and direction is regulated so that it is consistent with the body surface precalculated position of puncture needle by guiding mechanism；
Described puncture needle is arranged in the through hole of attitude reference device, and described attitude reference device forms dismountable annexation with one end of guiding mechanism.
Slip supporting mechanism for location in the art of a kind of puncture needle the most according to claim 1, it is characterised in that: described slide mechanism includes the slide rail being arranged at described operation table both sides, and one is placed in the slide block on described slide rail；
Described slide block has a positioning block, makes described locating piece switch between the first position and the second position by pressing button, and when locating piece is positioned at primary importance, it positions with described slide rail contact；When locating piece is positioned at the second position, it separates with described slide rail.
Slip supporting mechanism for location in the art of a kind of puncture needle the most according to claim 1, it is characterised in that: described supporting mechanism is hard tube；Described guiding mechanism is snakelike bending flexible pipe.
Slip supporting mechanism for location in the art of a kind of puncture needle the most according to claim 1, it is characterised in that: described guiding mechanism arranges an inserting column, and described attitude reference device has a slot matched with inserting column.
Slip supporting mechanism for location in the art of a kind of puncture needle the most according to claim 1, it is characterised in that: described through hole is elastic through hole, and its aperture changes along with the puncture needle diameter passed.
Slip supporting mechanism for location in the art of a kind of puncture needle the most according to claim 1, it is characterised in that: one end of described supporting mechanism is connected with described slide mechanism by a joint；Described supporting mechanism is made to swing around described joint along the width of operation table.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620013596.3U CN205433845U (en) | 2016-01-07 | 2016-01-07 | Slide orientation supporting mechanism in art of pjncture needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620013596.3U CN205433845U (en) | 2016-01-07 | 2016-01-07 | Slide orientation supporting mechanism in art of pjncture needle |
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| CN205433845U true CN205433845U (en) | 2016-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105832385A (en) * | 2016-01-07 | 2016-08-10 | 孙龙 | Intraoperative sliding positioning support mechanism of puncture needle |
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- 2016-01-07 CN CN201620013596.3U patent/CN205433845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105832385A (en) * | 2016-01-07 | 2016-08-10 | 孙龙 | Intraoperative sliding positioning support mechanism of puncture needle |
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