CN106821464A - Convex array probe Interventional Ultrasound paracentesis depth control device - Google Patents
Convex array probe Interventional Ultrasound paracentesis depth control device Download PDFInfo
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- CN106821464A CN106821464A CN201710129041.4A CN201710129041A CN106821464A CN 106821464 A CN106821464 A CN 106821464A CN 201710129041 A CN201710129041 A CN 201710129041A CN 106821464 A CN106821464 A CN 106821464A
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- 238000002604 ultrasonography Methods 0.000 title claims abstract description 28
- 239000000523 sample Substances 0.000 title claims abstract description 27
- 238000013016 damping Methods 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000003745 diagnosis Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000001574 biopsy Methods 0.000 description 6
- 238000002679 ablation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000003902 lesion Effects 0.000 description 4
- 210000004185 liver Anatomy 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 206010011732 Cyst Diseases 0.000 description 2
- 208000026292 Cystic Kidney disease Diseases 0.000 description 2
- 206010038423 Renal cyst Diseases 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 208000031513 cyst Diseases 0.000 description 2
- 210000002726 cyst fluid Anatomy 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000010138 Diastema Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010066901 Treatment failure Diseases 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 238000002607 contrast-enhanced ultrasound Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 210000000475 diastema Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000001165 lymph node Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000000944 nerve tissue Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000002990 parathyroid gland Anatomy 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 208000016853 pontine tegmental cap dysplasia Diseases 0.000 description 1
- 210000003240 portal vein Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/347—Locking means, e.g. for locking instrument in cannula
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The present invention provides a kind of convex array probe Interventional Ultrasound paracentesis depth control device, and the first clamp and the second clamp are provided with the two ends of guider；Clamp seat is connected with the first clamp and the second clamp, spring is provided between clamp seat and the first clamp and the second clamp, pin hole is provided between clamp seat and the first clamp and the second clamp, puncture needle passes through pin hole, and clamped by pin hole, there is damping between puncture needle and pin hole；Axially position is formed between first clamp and the second clamp and guider.The structure of clamp and the clamp seat by setting, can limit position of the puncture needle on guider, and so as in operative process, according to treatment needs, puncture needle be locked, discharging the hand of doctor is used for other operation of diagnosis and treatment.Clamp and the structure of clamp seat that depth control apparatus are used, can at any time load onto or remove according to procedure, easy to operate.
Description
Technical field
The present invention relates to the Interventional Ultrasound instrument field in medicine equipment, particularly a kind of convex array probe Interventional Ultrasound is punctured
Depth control apparatus.
Background technology
Interventional Ultrasound（interventional ultrasound）It is further to meet on the basis of ultrasonoscopy to be
The a special kind of skill grown up the need for clinical diagnosis and treatment, is the extension and development of ultrasonic clinical practice, its main spy
Putting is：Under the dynamic surveillance of real-time ultrasound or guiding, direct transdermal is punctured and for puncture needle or conduit accurately to insert focus, capsule
In chamber or pipeline configuration, the operation such as various aspiration biopsies, radiography, drainage, drug-injection in treatment is completed.The technology has compares surgery hand
Art wound is small, and patient's post-operative recovery is fast, the advantage such as treatment effect is definite, is widely used in clinic, such as：Ultrasonic guidance liver,
The aspiration biopsy of kidney, prostate, lymph node and all kinds of occupying lesions etc.；Ultrasound-guided Percutaneous liver puncture biliary drainage
(percutaneous transhepatic cholangial drainage, PTCD)；Ultrasound-guided Percutaneous livers, renal cyst
Puncture hardening treating；The ablations such as microwave, the radio frequency of ultrasonic guidance tumour.In implementation process is punctured, damaged to avoid puncturing
Hinder the blood vessel inside the important features such as peripheral organs, tissue, nerve and target focus, paracentesis depth is that operation doctor must account for
Factor.
Especially in situations, the accurate assurance of paracentesis depth directly influences the success rate and peripheral group of puncture diagnosis
Knit degree of injury：
1st, during liver, Percutaneous Puncture Sclerosing Treatment of Renal Cysts, after cyst fluid is extracted out, cyst wall is collapsed, and the change of puncture needle depth may be led
Cause spike pierces cyst wall or exit blister cavities, the position beyond making puncture needle reach blister cavities, and cause drug-injection in treatment failure even
Serious consequence, for example：Infusion of medicine tissue space can cause inflammatory reaction, or even necrosis.
2nd, during the puncture ablation of ultrasonic guidance tumour, can determine that tumour does not melt thoroughly using contrast-enhanced ultrasound technique
Region, now need accurately to these further ablations of residual lesions row, the fixation of paracentesis depth can help thorough
Melt residual lesions and reduce the damage of surrounding normal tissue in bottom.
When the 3rd, compared with the aspiration biopsy of small lesion, puncture needle change in depth causes puncture needle to deviate focus and cause biopsy extraction
Failure.
4th, internal blood supply is enriched and privileged sites, for example：The focus such as bottleneck throat, thyroid gland and parathyroid gland, Hilar
When aspiration biopsy and ablation, the weight such as the too deep tracheae that may cause surrounding of paracentesis depth, oesophagus, recurrent nerve, portal vein
Structural damage is wanted, and paracentesis depth is excessively shallow that ablation may be caused not thorough.But the accurate assurance of paracentesis depth is one
The technical barrier of straight puzzlement Interventional Ultrasound doctor.Due to paracentesis depth cannot be held, make some Interventional Ultrasound risk assessment too high
And can not implement.In Interventional Ultrasound diagnosis and treatment process, puncture needle typically is fixed with hand by operation doctor, in case because maloperation is led
Cause puncture needle inserting needle too deep or exit puncture target, cause to damage surrounding vitals or affect the treatment.But actual mechanical process
In, Interventional Ultrasound doctor is difficult to remain that the depth of puncture needle is constant, and a hand will necessarily shadow for fixing puncture needle
Sound needs the complicated operation of diagnosis and treatment that both hands are carried out to other.Therefore, the depth of puncture is accurately controlled, it is super for improving intervention
Sound diagnosis and treatment success rate and effectively reduction complication are extremely important.At present in the domestic pricking device for Interventional Ultrasound, do not have also
Any producer provides and can be used to fix, control and finely tune the equipment of puncture needle depth.
The A of Chinese patent literature CN 103340655 describe a kind of puncture needle detecting device based on ultrasound examination, bag
Ultrasonic probe and puncture needle are included, ultrasonic probe is connected with control unit, first angle sensing is installed on ultrasonic probe
Device, the affixed second angle sensor in end of puncture needle, first angle sensor as second angle sensor benchmark.The hair
The interspersed angle of bright utilization angular transducer auxiliary adjustment puncture tube, improves the standard for inserting position and insertion depth of puncture needle
True property, facilitate the operation of healthcare givers, improve medical efficiency.But being adjusted manually for doctor is still needed to using the structure
It is whole, still with operation difficulty higher.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of convex array probe Interventional Ultrasound paracentesis depth control device, energy
While enough providing guiding for puncture needle, and the depth of puncture needle is controlled, a hand for liberating doctor is operated for other.It is preferred that
Scheme in, control puncture needle while, additionally it is possible to the depth of puncture needle is accurately finely tuned according to surgery situation.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of convex array probe Interventional Ultrasound is punctured
Depth control apparatus, the first clamp and the second clamp are provided with the two ends of guider；
Clamp seat is connected with the first clamp and the second clamp, and spring is provided between clamp seat and the first clamp and the second clamp, is pressed from both sides
It is provided with pin hole between housing and the first clamp and the second clamp, puncture needle passes through pin hole, and is clamped by pin hole, puncture needle and pin hole
Between have damping；
Axially position is formed between first clamp and the second clamp and guider.
In preferred scheme, described clamp seat is two, and two clamp seats are logical with the first clamp and the second clamp respectively
Cross rotating shaft connection.
In preferred scheme, described clamp seat is one, the two ends of clamp seat respectively with the first clamp and the second clamp
Connected by rotating shaft.
In preferred scheme, the first clamp and the second clamp are fixedly connected away between one end of pin hole by connecting plate.
In preferred scheme, the external diameter of the internal diameter less than puncture needle of pin hole is provided with damping layer in the inwall of pin hole.
In preferred scheme, described damping layer is pile layer, carpet veneer, rubber layer or layer of silica gel.
In preferred scheme, regulating block is additionally provided with, regulating block be connected with the threaded one end of screw rod, screw rod and clamp are with can
The mode that rotation is not axially movable is flexibly connected, and the other end of screw rod is provided with adjustable column；
It is fixedly connected between regulating block and puncture needle.
In preferred scheme, optionally, the regulating block bottom position is provided with conical sleeve, conical sleeve and tapered cup nut
Threaded connection, puncture needle passes through conical sleeve, tightens tapered cup nut, and conical sleeve locks puncture needle；
It is another optional, or described regulating block is the clamp structure connected by pivoted housing, the bottom of regulating block is provided with for wearing
The pin hole that pricker is passed through, bottom and the locking chuck socket of regulating block, pin hole locks puncture needle.
In preferred scheme, guide rod is additionally provided with, guide rod is slidably connected with regulating block, one end of guide rod is fixed with clamp seat to be connected
Connect.
In preferred scheme, in described guider, fixed buckle is socketed with convex array probe, in one end of fixed buckle
Connecting seat is provided with, connecting seat is hinged with quadrant blocks, lower groove seat is fixedly connected with quadrant blocks, upper groove body pressing plate is solid with lower groove seat
Fixed connection, the guide groove passed through for puncture needle is provided between upper groove body pressing plate and lower groove seat；
First clamp and the second clamp are provided with limiting section, limiting section respectively with upper groove body pressing plate, lower groove seat or quadrant blocks its
In two end in contact and spacing of one or more.
A kind of convex array probe Interventional Ultrasound paracentesis depth control device that the present invention is provided, by the clamp and clamp that set
The structure of seat, can limit position of the puncture needle on guider, so as in operative process, according to treatment needs,
Puncture needle is locked, discharging the hand of doctor is used for other operation of diagnosis and treatment.Depth control apparatus use clamp and clamp seat
Structure, can at any time load onto or remove according to procedure, easy to operate.In preferred scheme, the structure of the regulating block of setting,
Be capable of the depth of further precise fine-adjustment puncture needle, such as in the aspiration procedure of cyst fluid, can with the change of vesica volume,
And the position of respective change aspiration needle needle point.Degree of regulation error can be less than 0.1mm.By the gap-eliminating structure for setting, can
The diastema during regulation is reduced, degree of regulation is further improved.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is part decomposition texture schematic diagram of the invention.
Fig. 2 is overall structure diagram of the invention.
Fig. 3 is the structural representation of depth control apparatus in the present invention.
Fig. 4 is A-A schematic cross-sectional views in Fig. 3.
Fig. 5 is another preferred structure schematic diagram of depth control apparatus in the present invention.
Fig. 6 is the B-B schematic cross-sectional views of Fig. 5.
Fig. 7 is the schematic shapes of convex array probe.
In figure：Depth control apparatus 1, clamp seat 101, the first clamp 102, the second clamp 103, limiting section 104, adjustable column
105, screw rod 106, regulating block 107, nut 108, guide rod 109, tapered cup nut 110, conical sleeve 111, spring 112, rotating shaft
113, pin hole 114, damping layer 115 locks chuck 116, and pivoted housing 117, frictional layer 118, connecting plate 119, upper groove body pressing plate 2 is worn
Pricker 3, lower groove seat 4, quadrant blocks 5, angle positioning device 6, connecting seat 7, fixed buckle 8, convex array probe 9.
Specific embodiment
As in Fig. 1 ~ 2, a kind of convex array probe Interventional Ultrasound paracentesis depth control device is provided with the at the two ends of guider
One clamp 102 and the second clamp 103；
Clamp seat is connected with the first clamp 102 and the second clamp 103, between clamp seat and the first clamp 102 and the second clamp 103
Spring 112 is provided with, pin hole 114 is provided between clamp seat and the first clamp 102 and the second clamp 103, puncture needle 3 passes through pin hole
114, in the presence of spring 112, puncture needle 3 is clamped by pin hole 114, has damping between puncture needle 3 and pin hole 114, preferably
Scheme such as Fig. 4 in, the internal diameter of pin hole 114 is provided with damping layer 115 less than the external diameter of puncture needle 3 in the inwall of pin hole 114.
In preferred scheme, described damping layer 115 is pile layer, carpet veneer, rubber layer or layer of silica gel.Used in this example
The structure of carpet veneer, the carpet veneer of setting can provide more smooth damping.I.e. puncture needle 3 need certain thrust or
Pulling force, can just overcome resistance, puncture needle 3 is slided along pin hole 114, it is to avoid in the state of not operating, and puncture needle 3 is subject to weight
Sunk under the influence of power and change position.It is further preferred that pin hole 114 is applied to the resistance of the outer wall of puncture needle 3, wherein stiction
Gap with dynamic resistance is little, so that the movement of puncture needle 3 is smooth；
Form axially position between first clamp 102 and the second clamp 103 and guider, referring to Fig. 2,3 in, i.e., by first
Positioning between clamp 102 and guider, lower section is slided to the left can to limit the puncture needle 3 in Fig. 2, and passes through the second clamp
Positioning between 103 and guider, the puncture needle 3 that can be limited in Fig. 2 is slided to upper right side.
In preferred scheme, described clamp seat is two, two clamp seats respectively with the first clamp 102 and the second clamp
103 are connected by rotating shaft 113.Not shown in figure, the advantage of the structure is can be only applicable a clamp as needed and be limited
Position, using more flexible.
In preferred scheme such as Fig. 3,5, described clamp seat is one, the two ends of clamp respectively with the first clamp 102
Connected by rotating shaft 113 with the second clamp 103.Thus structure, globality is stronger, can carry out the spacing of both direction.
In further preferred scheme such as Fig. 3,5, the first clamp 102 and the second clamp 103 away from pin hole 114 one end it
Between be fixedly connected by connecting plate 119.Thus structure, is easy to operation, it is only necessary to press the position of connecting plate 119, you can control the
The folding of one clamp 102 and the second clamp 103.
In preferred scheme such as Fig. 3,5, regulating block 107 is additionally provided with, regulating block 107 is connected with the threaded one end of screw rod 106,
Screw rod 106 is flexibly connected with clamp seat 101 in the way of not being axially movable rotatably, and the other end of screw rod 106 is provided with regulation
Post 105.In this example, nut 108 is installed with regulating block 107, nut 108 is formed with screw rod 106 and is threadedly coupled.Preferably, spiral shell
Female 108 structures for using double nut, i.e., be first tightened to suitable tensile force by double nut, and double nut then is connected in into one again
Rise, thus structure, can eliminate the gap between nut 108 and screw rod 106, to improve the degree of regulation of regulating block 107.Enter one
Step, adjustable column 105 is spindle rotationally arranged on clamp seat 101, and adjustable column 105 is fixedly connected with the coaxial line of screw rod 106, for example
Welding or interference fit connection.It is further preferred that adjustable column 105 is embedded in clamp seat 101, outside the part of adjustable column 105
Wall is exposed outside, is easy to rotation manually, the pad for eliminating gap is provided with the two ends of adjustable column 105, it is preferred to use polytetrafluoroethyl-ne
Alkene pad, so that adjustable column 105 has axial gap as small as possible, and frictional force is smaller.Using the structure of the above, can be by
Regulation control errors can reach the precision of 0.01mm in below 0.1mm.It is fixedly connected between regulating block 107 and puncture needle 3.
Structure more than, rotates adjustable column 105, and the interface of screw rod 106 drives regulating block 107 to move back and forth, so that accurate adjustment is worn
The depth of pricker 3.
In preferred scheme such as Fig. 3, optionally, the bottom position of the regulating block 107 is provided with conical sleeve 111, taper sheath
Cylinder 111 is threadedly coupled with tapered cup nut 110, and puncture needle 3 passes through conical sleeve 111, tightens tapered cup nut 110, conical sleeve 111
Puncture needle 3 is locked；Using the structure, it is necessary to the conical sleeve 111 of regulating block 107 is enclosed within puncture needle 3 in advance, initially
When, tapered cup nut 110 not to be tightened, puncture needle 3 can be in the conical sleeve 111 slidably, when needing to finely tune puncture needle 3
When, then tapered cup nut 110 is tightened, conical sleeve 111 locks puncture needle 3, now rotates adjustable column 105, you can fine setting is worn
The position of pricker 3.
As shown in Figure 6, or described regulating block 107 is the clamp connected by pivoted housing 117 to another optional structure
Structure, similar first clamp 102 of clamp structure herein and the structure of the second clamp 103, are pressed from both sides puncture needle 3 by clamp structure
Tightly, the bottom of regulating block 107 is provided with the pin hole 114 passed through for puncture needle 3, the bottom of regulating block 107 also with 116 sets of chuck of locking
Connect, the chucking power that locking chuck 116 is provided makes pin hole 114 lock puncture needle 3.The frictional force that clamp structure herein is produced will
More than the damping that the first clamp 102 and the second clamp 103 are produced.Corresponding pin hole is provided with the position of clamp structure, herein
Pin hole inwall is provided with frictional layer 118, it is preferred to use the larger quality of rubber materials of frictional force, and by lock chuck 116 provide compared with
Big chucking power.Locking chuck 116 in this example is trapezoidal chuck, there is two kinds of structures, and a kind of is trapezoidal set wide at the top and narrow at the bottom
Structure, the bottom of corresponding clamp structure is also trapezium structure wide at the top and narrow at the bottom, by the extruding of trapezoidal set, there is provided larger folder
Holding force, spacing preiection is provided with the top edge of trapezoidal set, and the bottom position of corresponding clamp structure is provided with groove, fixed to facilitate
Position.The trapezoidal set of the structure is to be socketed from bottom to top.It is suitable to the larger occasion in operating space.Another structure is wide another one end
The narrow trapezoidal nested structure in end, the bottom of corresponding clamp structure is also the narrow trapezium structure of one end other end wide, the ladder of the structure
Shape set is from one end to the other side to be socketed, and is socketed from lower left upper right side in such as Fig. 2.It is less that the structure is suitable to operating space
Occasion.The structure is used in this example.Spacing preiection, the corresponding position in bottom of clamp structure are provided with one end of trapezoidal nested structure
Groove is provided with, to facilitate positioning.
In preferred scheme, be additionally provided with guide rod 109, guide rod 109 is slidably connected with regulating block 107, one end of guide rod 109 and
Clamp seat 101 is fixedly connected.In preferred scheme, guide rod 109 is slidably connected with pivoted housing 117.Pivoted housing 117 is simultaneously as guide rod
109 sliding sleeve.
In preferred scheme such as Fig. 1,2, in described guider, fixed buckle 8 is socketed with convex array probe 9, in fixation
Buckle 8 is provided with connecting seat 7 away from one end of closed position, and connecting seat 7 is hinged with quadrant blocks 5, angle is provided with quadrant blocks 5 and is determined
Position device 6, described angle positioning device 6 is a telescopic bar, and bar is provided with extension spring, is provided with multiple right on connecting seat 7
Answer the breach of different angles, angle positioning device 6 be placed in different breach, i.e., can biopsy needle guide 3 with different inclination angles
Puncture.Lower groove seat 4 and the connection fixed by snap of quadrant blocks 5, upper groove body pressing plate 2 are fixed by chute with lower groove seat 4 and connected
Connect, the guide groove passed through for puncture needle 3 is provided between upper groove body pressing plate 2 and lower groove seat 4；
First clamp 102 and the second clamp 103 are provided with limiting section 104, limiting section 104 respectively with upper groove body pressing plate 2, lower groove
Seat 4 or quadrant blocks 5 two end in contact and spacing of wherein one or more.
In this such as Fig. 1, the limiting section 104 of the first clamp 102 and the front end of upper groove body pressing plate 2, i.e. upper right in Fig. 1
Put contact and spacing, the limiting section 104 of the second clamp 103 and the rear end of upper groove body pressing plate 2, i.e. lower-left orientation in Fig. 1 in orientation
Put and contact and spacing.
When using, in such as Fig. 2, guider is installed, puncture angle is regulated by angle positioning device 6, penetrated and wear
Pricker 3, the puncture position of puncture needle 3 is detected by convex array probe 9, after puncture position is reached, fitting depth control device 1,
The paracentesis depth of puncture needle 3 is spacing, and doctor carries out other operations with the hand being available, for example, take out nook closing member, connection suction dress
Put or the operation such as syringe.According to procedure, it is necessary to the position of accurate movement puncture needle 3, not high for positioning accuracy request
Position, can directly carrying out depth adjustment manually.The position high for positioning accuracy request, by puncture needle 3 and regulating block
107 are fixedly connected, and rotate adjustable column 105, drive regulating block 107 to move back and forth by screw rod 106, realize according to procedure essence
Really adjust the depth of puncture needle 3.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as limitation of the invention, this hair
Technical characteristic in the technical scheme that bright protection domain should be recorded with claim, including the technical scheme of claim record
Equivalents are protection domain.Equivalent i.e. within this range is improved, also within protection scope of the present invention.
Claims (10)
1. a kind of convex array probe Interventional Ultrasound paracentesis depth control device, it is characterized in that：First is provided with the two ends of guider
Clamp（102）With the second clamp（103）；
Clamp seat and the first clamp（102）With the second clamp（103）Connection, clamp seat and the first clamp（102）With the second clamp
（103）Between be provided with spring（112）, clamp seat with the first clamp（102）With the second clamp（103）Between be provided with pin hole（114）,
Puncture needle（3）Through pin hole（114）, and by pin hole（114）Clamp, puncture needle（3）With pin hole（114）Between have damping；
First clamp（102）With the second clamp（103）Axially position is formed between guider.
2. a kind of convex array probe Interventional Ultrasound paracentesis depth control device according to claim 1, it is characterized in that：Described
Clamp seat is two, two clamps seat respectively with the first clamp（102）With the second clamp（103）By rotating shaft（113）Connection.
3. a kind of convex array probe Interventional Ultrasound paracentesis depth control device according to claim 1, it is characterized in that：Described
Clamp seat be one, clamp seat two ends respectively with the first clamp（102）With the second clamp（103）By rotating shaft（113）Connection.
4. a kind of convex array probe Interventional Ultrasound paracentesis depth control device according to claim 3, it is characterized in that：First folder
Body（102）With the second clamp（103）Away from pin hole（114）One end between pass through connecting plate（119）It is fixedly connected.
5. a kind of convex array probe Interventional Ultrasound paracentesis depth control device according to any one of claim 1 ~ 4, its feature
It is：Pin hole（114）Internal diameter be less than puncture needle（3）External diameter, in pin hole（114）Inwall be provided with damping layer（115）.
6. a kind of convex array probe Interventional Ultrasound paracentesis depth control device according to claim 5, it is characterized in that：Described
Damping layer（115）It is pile layer, carpet veneer, rubber layer or layer of silica gel.
7. a kind of convex array probe Interventional Ultrasound paracentesis depth control device according to any one of claim 3, it is characterized in that：
It is additionally provided with regulating block（107）, regulating block（107）With screw rod（106）Threaded one end connection, screw rod（106）With clamp seat（101）
It is flexibly connected in the way of not being axially movable rotatably, screw rod（106）The other end be provided with adjustable column（105）；
Regulating block（107）With puncture needle（3）Between be fixedly connected.
8. a kind of convex array probe Interventional Ultrasound paracentesis depth control device according to claim 7, it is characterized in that：The tune
Locking nub（107）Bottom position is provided with conical sleeve（111）, conical sleeve（111）With tapered cup nut（110）Threaded connection, punctures
Pin（3）Through conical sleeve（111）, tighten tapered cup nut（110）, conical sleeve（111）By puncture needle（3）Locking；
Or described regulating block（107）It is by pivoted housing（117）The clamp structure of connection, regulating block（107）Bottom be provided with
For puncture needle（3）The pin hole for passing through（114）, regulating block（107）Bottom with locking chuck（116）Socket, pin hole（114）To wear
Pricker（3）Locking.
9. a kind of convex array probe Interventional Ultrasound paracentesis depth control device according to claim 8, it is characterized in that：It is additionally provided with
Guide rod（109）, guide rod（109）With regulating block（107）It is slidably connected, guide rod（109）One end and clamp seat（101）It is fixed to connect
Connect.
10. a kind of convex array probe Interventional Ultrasound paracentesis depth control device according to claim 1, it is characterized in that：It is described
Guider in, fixed buckle（8）With convex array probe（9）Socket, in fixed buckle（8）One end be provided with connecting seat（7）, even
Joint chair（7）With quadrant blocks（5）It is hinged, lower groove seat（4）With quadrant blocks（5）It is fixedly connected, upper groove body pressing plate（2）With lower groove seat
（4）It is fixedly connected, upper groove body pressing plate（2）With lower groove seat（4）Between be provided with and supply puncture needle（3）The guide groove for passing through；
First clamp（102）With the second clamp（103）It is provided with limiting section（104）, limiting section（104）Respectively with upper groove body pressing plate
（2）, lower groove seat（4）Or quadrant blocks（5）Two end in contact of wherein one or more are simultaneously spacing.
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| CN201710129041.4A CN106821464B (en) | 2017-03-06 | 2017-03-06 | Ultrasonic penetration depth control device with convex array probe intervention |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129041.4A CN106821464B (en) | 2017-03-06 | 2017-03-06 | Ultrasonic penetration depth control device with convex array probe intervention |
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| CN106821464A true CN106821464A (en) | 2017-06-13 |
| CN106821464B CN106821464B (en) | 2024-07-12 |
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| CN108836452A (en) * | 2018-08-31 | 2018-11-20 | 深圳市敏浩科技有限公司 | A kind of novel puncture frame with coupling gel |
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| CN113397665A (en) * | 2021-07-17 | 2021-09-17 | 中国人民解放军中部战区总医院 | Nerve block injection device, auxiliary injection method and medical equipment |
| CN113616294A (en) * | 2021-07-23 | 2021-11-09 | 北京箴石医疗科技有限公司 | Puncture device, guiding device and operation puncture equipment |
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