CN104887276B - Adjustable sampling device for biopsy - Google Patents
Adjustable sampling device for biopsy Download PDFInfo
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- CN104887276B CN104887276B CN201510236286.8A CN201510236286A CN104887276B CN 104887276 B CN104887276 B CN 104887276B CN 201510236286 A CN201510236286 A CN 201510236286A CN 104887276 B CN104887276 B CN 104887276B
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Abstract
The invention discloses a kind of adjustable sampling device for biopsy.Adjustable sampling device for biopsy includes base, the interior pin of sampling, samples outer pin, governor motion, feed mechanism and trigger mechanism.Governor motion can adjust the transmitting range of pin and the outer pin of sampling in sampling.After the regulation of transmitting range is completed, loaded by feed mechanism to pin in sampling with outer pin is sampled, that is, cause them to be in battery.Under battery, by the triggering of trigger mechanism, pin and the outer pin of sampling are emitted into tissue to be sampled and complete sampling respectively under the collective effect that interior pin launches spring, interior pin transmitting block, outer pin transmitting spring and outer pin transmitting block in sampling.By the sampler of the present invention, user can adjust sample length as needed, it is to avoid taking out excess tissue influences the effect of biopsy method, and reduces the injury to patient.
Description
Technical field
The present invention relates to a kind of biopsy sampling equipment for pathologic finding, and in particular to a kind of sample length is adjustable complete
Automatic percutaneous transthoracic needle biopsy sampling equipment.
Background technology
Carrying out pathological diagnosis using biopsy method is the most reliable in all multi-methods for the Illnesses Diagnoses such as tumour and has
Effect, while also frequently as the final diagnostic method of illness.In the prior art, generally taken using biopsy sampling equipment
Sample.Existing cutting type biopsy sampling equipment is roughly divided into hand, semi-automatic and three major classes of self-action.
During biopsy is sampled, on the one hand due to different patient's lesion tissue thicknesses, not of uniform size；On the other hand not
Requirement with medical worker to the biopsy sample length for inspection is also not quite similar, so single sample length is difficult to meet
The requirement of biopsy diagnosis.Hand and semi-manual formula equipment rely primarily on doctor and are adjusted and are sampled with hand propelled puncture needle,
Operational readiness to doctor requires higher, it is difficult to one hand control and operation, while the process promoted also is difficult to ensure sample length
Accurately.Self-action sampling equipment is although simple to operate, but sampling when exist doctor can not accurately adjust sample length,
Complicated the shortcomings of.
The content of the invention
It is an object of the invention to provide a kind of adjustable automatic biopsy sampler, sample length can be accurately adjusted, and
And simple to operate, puncture process fast and stable, doctor can be facilitated to be hold by one hand operation in surgical procedure.
To achieve the above object, the invention provides a kind of 1. adjustable sampling device for biopsy, it is characterised in that it is described can
Mode sampling device for biopsy includes：
Base, installation axle and cover plate, the base have back plate, dividing plate and the ante-chamber separated by the dividing plate and after
Chamber, and the installation axle is installed in the base；
Pin and the outer pin of sampling in sampling, the outer needle guard of the sampling is in the sampling on pin；
Interior pin transmitting spring, interior pin transmitting block, outer pin transmitting spring and the transmitting of outer pin of the installation axle are inserted in successively
Block, wherein, the interior pin launches spring and the interior pin transmitting block is placed in the back cavity and the interior pin launches the one of spring
End is against the interior pin transmitting block, and the other end is against the back plate；The outer pin transmitting spring and the outer pin transmitting block are placed in
In the ante-chamber, one end of the outer pin transmitting spring is against the outer pin transmitting block, and the other end is against the dividing plate；And institute
The interior pin transmitting block is fixed in the one end for stating pin in sampling, and the other end extends the base, and the one of the outer pin of the sampling
The outer pin transmitting block is fixed at end, and the other end extends the base；
Governor motion, the governor motion is provided with first baffle and second baffle, and the first baffle can be described in backstop
The position of interior pin transmitting block and the first baffle can adjust described so as to adjust relative to the position of the interior pin transmitting block
The move distance of interior pin transmitting block, the second baffle is capable of the position phase of outer pin transmitting block and the second baffle described in backstop
It can be adjusted for the position of the outer pin transmitting block so as to adjust the move distance of the outer pin transmitting block；
Feed mechanism, the feed mechanism coordinates with the interior pin transmitting block and the outer pin transmitting block respectively, so as to
Enough compress the interior pin transmitting spring and the outer pin transmitting spring and make it that in the sampling that pin is in outside for pin and the sampling
Battery；And
Trigger mechanism, the trigger mechanism can be driven, so that the interior pin transmitting spring and the outer pin hair
Projectile spring discharges from compressive state, and then transmitting samples interior pin and samples outer pin successively.
In one preferred embodiment, the installation axle run through the ante-chamber and the back cavity, and the installation axle be located at institute
The one end for stating ante-chamber is provided with end plate, and the end plate is provided with the otch passed through for pin in the sampling and the outer pin of the sampling.
In one preferred embodiment, the bottom wall of the base provided with the chute that loads, the feed mechanism provided with load slide bar and
It is described load slide bar can along the slide that loads, the slide bar two ends of loading loaded before being respectively equipped with block and after load
Block, it is described before load block and it is described after the block that loads coordinate respectively with the outer pin transmitting block and the interior pin transmitting block, so as to
It is enough to compress the outer pin transmitting spring and the interior pin transmitting spring respectively and cause pin in the outer pin of the sampling and the sampling
In battery.
In one preferred embodiment, the side wall of the base is provided with regulation chute, and the governor motion is additionally provided with regulation and connected
Bar, adjusting key and locking key, the first baffle and the second baffle are separately positioned on the two ends of the regulation connecting rod, described
Adjusting key is fixedly connected on the regulation connecting rod and along the regulation slide and then can drive and described adjust connecting rod, described
First baffle and the second baffle are slided, and the locking key is used to locking or unlocking the adjusting key.
In one preferred embodiment, the regulation chute is groove and upper and lower both side surface is zigzag, the adjusting key
One end be provided with upper and lower two elastic ribs, the zigzag of the end of the every elastic rib provided with shape with the regulation chute
The outstanding projection of surface matching, and the root of the every elastic rib is provided with pit；And the locking key is provided with
Clamping block and the locking muscle stretched out from the clamping block both sides, in the end of the locking muscle provided with inwardly projecting lock tab
Rise, in the locked state, the clamping block is located between two elastic ribs, so that the projection of the elastic rib is caught in
The serrated-surface of the regulation chute simultaneously limits the elastic rib elastic deformation, and the locking projections are caught in the pit.
It is preferred that the regulation chute is provided with scale.
In one preferred embodiment, the trigger mechanism include triggering key, triggering slide bar, afterwards triggering connecting rod, interior pin limit buckle,
Preceding triggering connecting rod and outer pin limit buckle, the triggering key are fixedly connected on the triggering slide bar, the two ends of the triggering slide bar
Respectively with it is described it is preceding triggering connecting rod one end and it is described after triggering connecting rod one end be hinged, it is described after triggering connecting rod the other end and
The other end of triggering connecting rod is hinged with one end of the interior pin limit buckle and one end of the outer pin limit buckle respectively before described, institute
State the other end of interior pin limit buckle and the other end of the outer pin limit buckle is articulated with the base, so that in battery
Under, the interior pin limit buckle and the outer pin limit buckle lock the interior pin transmitting block and the outer pin transmitting block respectively, and drive
The interior pin limit buckle and the outer pin limit buckle can be driven successively by moving the triggering key, and then unlock the interior pin hair successively
Penetrate block and the outer pin transmitting block.
In one preferred embodiment, one end being connected with the rear triggering connecting rod of the interior pin limit buckle is provided with backstop platform,
The one side of the dividing plate of the direction base of the backstop platform is inclined-plane, and the one side relative with the inclined-plane is stop surface, from
And during loading, the interior pin transmitting block can cross the backstop platform along the inclined-plane, so that the stop surface and institute
State interior pin transmitting block contact and make it that pin is in emission state in the sampling；And the structure of the outer pin limit buckle with it is described
The structure of interior pin limit buckle is identical.
In one preferred embodiment, the interior pin transmitting block has plate-like body, and top is provided with pin mounting groove, bottom in sampling
Post and first is accommodated provided with interior pin transmitting spring, and axis channel is installed, and described first installs axis channel through the interior pin transmitting bullet
Spring accommodates post；And the outer pin transmitting block has plate-like body, top is sent out provided with outer pin mounting groove, bottom is sampled provided with outer pin
Projectile spring accommodates post and second installs axis channel, and the second installation axis channel accommodates post through the outer pin transmitting spring.
In one preferred embodiment, the installation axle outer surface is provided with guide groove along its length, first peace
Fill on the inwall of axis channel and be equipped with guide protrusions on the inwall of the described second installation axis channel, the guide protrusions being capable of edge
The guide groove is slided.
The sampler of the present invention can carry out sample length regulation before sampling, and this is especially advantageous, because a side
Face, different patient's lesion tissue thicknesses, not of uniform size, on the other hand different medical workers are to the biopsy sample length for inspection
Requirement be also not quite similar.By the sampler of the present invention, user can adjust sample length as needed, it is to avoid take out many
The effect of remaining tissue effect biopsy method, and reduce the injury to patient.Meanwhile, sampler of the invention is set at adjusting key
Scale, can before sampling accurate adjustment sample length, this was using compared to existing hand, semi-manual formula sampler
It is adjusted in journey by user's hand push more accurate, it is easy to operate.Locking key is provided with adjusting key, by promoting locking key
Locking can be completed, safety simple in construction is easy to operate.By promoting triggering key to complete sampling, facilitate doctor in operation
During be hold by one hand and operated.
Brief description of the drawings
Fig. 1 is the exploded perspective view of the adjustable sampling device for biopsy according to one embodiment of the invention.
Fig. 2 a are the stereograms of Fig. 1 sampling device for biopsy.
Fig. 2 b are the sectional views of Fig. 1 sampling device for biopsy.
Fig. 3 is use schematic diagram when Fig. 1 sampling device for biopsy loads.
Use schematic diagram when Fig. 4 is Fig. 1 sampling device for biopsy regulation sample length.
Use schematic diagram when Fig. 5 is Fig. 1 sampling device for biopsy transmitting.
Fig. 6 is the structural representation of governor motion in a free state.
Fig. 7 is the structural representation of governor motion in the locked state.
Fig. 8 is partial sectional view, show to load and trigger mechanism under non-triggering state structural representation.
Fig. 9 is partial sectional view, shows under interior pin emission state that the structure of the trigger mechanism of (interior pin limit buckle is opened) is shown
It is intended to.
Figure 10 is partial sectional view, shows under outer pin emission state that the structure of the trigger mechanism of (outer pin limit buckle is opened) is shown
It is intended to.
Major Symbol explanation in figure：1st, base, 2, installation axle, 3, load slide bar, 4, outer pin transmitting block, 5, the transmitting of interior pin
Block, 6, interior pin transmitting spring, 7, outer pin transmitting spring, 8, outer pin limit buckle, 9, interior pin limit buckle, 10, back link, 11, preceding company
Bar, 12a, triggering key, 13, pin in sampling, 14, sample outer pin, 15a, first baffle, 15b, second baffle, adjust connecting rod at 15c,
16th, adjusting key, 17, locking key, 18, cover plate, 19, destination organization.
Embodiment
Presently preferred embodiments of the present invention is described in detail below with reference to accompanying drawing, to become apparent from understanding the present invention's
Objects, features and advantages.It should be understood that embodiment shown in the drawings is not limited the scope of the present invention, and it is simply
The connotation of explanation technical solution of the present invention.Herein, the direction such as upper and lower, forward and backward term refers to that this paper's is adjustable
Relative position of the sampling device for biopsy on drawing.
The adjustable sampling device for biopsy according to one embodiment of the invention is shown respectively in Fig. 1 and Fig. 2 a-2b.Such as Fig. 1 and
Shown in 2a-2b, the adjustable main body of sampling device for biopsy 100 includes base 1, installation axle 2 and cover plate 18, the two sides of base 1 and bottom
Face and the top surface of cover plate 18 are all provided with anti-skidding muscle, and anti-skidding effect is played in the hand-held sampler.Base 1 have back plate 1a,
The dividing plate 1b and ante-chamber 1c and back cavity 1d separated by the dividing plate, installation axle 2 is installed in base and through ante-chamber 1c with after
Chamber 1d.One end positioned at ante-chamber 1c of installation axle 2 is provided with end plate 2a, and end plate 2a is provided with for pin 13 in sampling and samples outer pin
The 14 otch 2b passed through.After assembling, end plate 2a seals ante-chamber 1c openend, and rice served with meat and vegetables on top 18 should be in the top of base 1.
Sampler 100 also includes pin 13 in sampling, samples outer pin 14, and the interior pin transmitting spring of installation axle 2 is inserted in successively
6th, interior pin transmitting block 5, outer pin transmitting spring 7 and outer pin transmitting block 4, governor motion, feed mechanism and trigger mechanism etc., wherein
The outer pin 14 of sampling is enclosed in the sampling on pin.The head of pin 13 is triangle ramp structure in sampling, facilitates and is punctured, while head
End is provided with sampling groove, and the shape of sampling groove can be U-shaped, trapezoidal or other suitable shapes.The outer head of pin 14 of sampling is also processed as tiltedly
Face, is easy to cut tissue.It is pointed out that pin and outer needle section are alternatively other forms for being easy to puncture cutting in sampling.
Governor motion can adjust the transmitting range of pin 13 and the outer pin 14 of sampling in sampling.Complete the regulation of transmitting range
Afterwards, loaded by feed mechanism to pin 13 in sampling and the outer pin 14 of sampling, that is, cause them to be in battery.To be launched
Under state, by the triggering of trigger mechanism, in sampling pin 13 and sample outer pin 14 interior pin transmitting spring 6, interior pin transmitting block 5,
Under the collective effect of outer pin transmitting spring 7 and outer pin transmitting block 4, tissue to be sampled is emitted into respectively and sampling is completed.
Interior pin transmitting spring 6 and interior pin transmitting block 5 are placed in back cavity 1d and one end of interior pin transmitting spring 6 is sent out against interior pin
Penetrate block 5, the other end is against back plate 1a.Outer pin transmitting spring 7 and outer pin transmitting block 4 are placed in ante-chamber 1c.Outer pin transmitting spring 7
One end is against outer pin transmitting block 4, and the other end is against dividing plate 1b.Interior pin transmitting block 5, the other end are fixed in one end of pin 13 in sampling
Extend base.Outer pin transmitting block 4 is fixed in one end of the outer pin 14 of sampling, and the other end extends base 1.
Spring 6 occurs for interior pin and spring 7 occurs for outer pin for helical spring, and its coefficient of elasticity can be according to the tissue to be obtained
Sample is determined.Certainly, spring, which occurs, for interior pin transmitting spring and outer pin can also use other elastic components for being capable of elastic deformation.It is interior
The shape of pin transmitting block 5 and outer pin transmitting block 4 is essentially identical.Interior pin transmitting block 5 has plate-like body, and top is provided with pin in sampling
Mounting groove 5a, bottom accommodates post 5b and first provided with interior pin transmitting spring and installs axis channel 5c, and the first installation axis channel 5c is passed through
Wear interior pin transmitting spring and accommodate post 5b.Similarly, outer pin transmitting block 4 also has plate-like body, and top is installed provided with outer pin is sampled
Groove 4a, bottom accommodates post 4b and second provided with outer pin transmitting spring and installs axis channel 4c, and second installs axis channel 4c through outer
Pin transmitting spring accommodates post 4b.It is preferred that first installs on axis channel 5c inwall and on the second installation axis channel 4c inwall
Guide protrusions (not shown) is equipped with, correspondingly the outer surface of installation axle 2 is provided with guide groove (not shown) along its length,
So as to which guide protrusions can be slided along guide groove.
Governor motion is provided with first baffle 15a and second baffle 15b, and first baffle 15a being capable of the pin transmitting 13 in sampling
When backstop in pin transmitting block 5 so that limit sampling in pin 13 transmitting range.Sent out relative to interior pin first baffle 15a position
Penetrating the position of block 5 or back plate 1a can be adjusted so as to adjust the move distance of interior pin transmitting block 5, and then adjust pin 13 in sampling
Transmitting range.Second baffle 15b, which can stop, is sampling when outer pin 14 is launched pin transmitting block 4 outside backstop, and outer pin is sampled so as to limit
14 transmitting range.Second baffle 15b position can adjust to adjust relative to the position of preceding pin transmitting block 4 or dividing plate 1b
The move distance of outer pin transmitting block 4, and then adjust the transmitting range of the outer pin 14 of sampling.First baffle 15a's and second baffle 15b
It is open as arc, the interior pin transmitting spring receiving post 5b and outer pin transmitting spring receiving post 4b of its radian respectively with interior pin transmitting block
Diameter matching.
Governor motion is additionally provided with regulation connecting rod 15c, adjusting key 16 and locking key 17.First baffle 15a and second baffle 15b
It is separately positioned on regulation connecting rod 15c two ends.Adjusting key 16 is fixedly connected on regulation connecting rod 15c and is embedded on the side wall of base 1
In zigzag regulation chute 1e, so as to which regulation connecting rod 15c, first baffle 15a are slided and then driven along regulation chute 1e
Slided with second baffle 15b.Locking key 17 is used to locking or unlocking adjusting key 16, so that locking key 17 can be along regulation chute 1e
Slide or can not be moved relative to chute.
In the present embodiment, regulation chute 1e is groove and upper and lower both side surface is zigzag.One end of adjusting key 16 is set
There are upper and lower two elastic ribs 161 and 162, the end of every elastic rib is matched provided with shape with adjusting the serrated-surface of chute
Outstanding projection.The root of every elastic rib is provided with pit.Locking key 17 is provided with clamping block and from clamping block two
The locking muscle that side is stretched out, in the end of locking muscle provided with inwardly projecting locking projections.In the locked state, clamping block, which is located at, adjusts
Between two elastic ribs for saving key, so that the projection of elastic rib is caught in the serrated-surface of regulation chute and limits elastic rib
Elastic deformation, and locking projections are caught in pit.It is preferred that the regulation chute is provided with scale.
It should be understood that regulation chute, adjusting key and locking key can also use other any suitable shapes and structure, only
It is wanted to realize the regulation and locking of first baffle and second baffle.
As shown in figure 4, during regulation sample length, adjusting key 16 is promoted backward to precalculated position, adjusting key 16 will drive with
Fixation first baffle 15a and second baffle 15b phases after slide, launched so as to realize by pin transmitting block and outer pin in regulation
Block adjusts sampling probe to the distance of first baffle and second baffle and enters the distance of destination organization, so as to play regulation sampling length
The purpose of degree.The lockable adjusting key 16 of locking key 17 is stirred, and then locks first baffle 15a and second baffle 15b.Adjusting key 16
Two elastic ribs are stretched out in end has certain elasticity, and when adjusting key 16 enters line slip in zigzag chute, elastic rib will
Adapt to serrate projections and occur elastic deformation, the slip without hindering adjusting key 16.Zigzag regulation chute is provided with scale,
Adjusting key 16 can be adjusted to precalculated position according to scale.During lock adjustment key 16, as shown in fig. 7, locking key 17 is stirred backward,
The upper protruding block of locking key 17 will slide to two feeler ends of adjusting key 16.Because projection is rigid, feeler is hindered to occur elastic deformation,
So that adjusting key 16 and baffle plate 15 can not be slided, locking effect is played.
Feed mechanism is provided with the slide bar 3 that loads, and the slide bar 3 that loads can be slided along the chute 1g that loads for the bottom wall for being arranged at base 1
It is dynamic.Load loaded before the two ends of slide bar 3 are respectively equipped with block 3a and after load block 3b, it is preceding load block 3a and after load block 3b respectively with outside
Pin transmitting block 4 and interior pin transmitting block 5 coordinate, and cause so as to compress outer pin transmitting spring 7 and interior pin transmitting spring 6 respectively
Pin 13 is in battery in the outer pin 14 of sampling and sampling.Here battery is referred in this condition, driving triggering
Mechanism, then sampling interior pin and sampling outer pin to launch respectively.
As shown in figure 3, when sampler loads, by promoting the slide bar 3 that loads to slide backward, the front end of slide bar 3 promotion of loading
Outer pin transmitting block 4 slides backwards on outer pin limit buckle 8 and place (is detailed further below), and compresses outer pin transmitting bullet simultaneously
Spring 7.The interior pin transmitting block 5 of the rear end of slide bar 3 promotion that loads is slided backwards at interior pin limit buckle 9, and the outer interior pin of compression simultaneously is launched
Spring 6.Load completion when, outer pin limit buckle 8, interior pin limit buckle 9 are respectively held against outer pin transmitting block 4, interior pin transmitting block 5.Before on
Thorax block 3a and after block 3b openings of loading be arc, its radian accommodates post 5b and outside with the interior pin of interior pin transmitting block transmitting spring respectively
Pin transmitting spring accommodates post 4b diameter matching.
It is preferred that the one end for the slide bar 3 that loads is connected to a spring (not shown), so that when loading, the spring is compressed,
After the completion of loading, the slide bar that loads is resetted in the presence of spring restoring force, and preparation is loaded next time.
As shown in figure 8, trigger mechanism include triggering key 12a, triggering slide bar 12b, rear triggering connecting rod 10, interior pin limit buckle 9,
Preceding triggering connecting rod 11 and outer pin limit buckle 8, wherein triggering key 12a are fixedly connected on triggering slide bar 12b.Trigger slide bar 12b's
The one end of two ends respectively with preceding one end for triggering connecting rod 11 and rear triggering connecting rod 10 is hinged, and the other end of rear triggering connecting rod 10 is with before
The other end of triggering connecting rod 111 is hinged with one end of interior pin limit buckle 9 and one end of outer pin limit buckle 8 respectively.Interior pin limit buckle 9
The other end and the other end of outer pin limit buckle 8 be articulated with base 1.Under battery, interior pin limit buckle 9 and outer pin are spacing
Button 8 locks interior pin transmitting block 5 and outer pin transmitting block 4 respectively.When driving triggering key 12a, the interior He of pin limit buckle 9 can be driven successively
Outer pin limit buckle 8, and then interior pin transmitting block 5 and outer pin transmitting block 4 are unlocked successively, so that interior pin transmitting spring and outer pin hair
Projectile spring discharges from compressive state, and launches pin and the outer pin of sampling in sampling successively.Here, trigger mechanism is a double leval jib knot
Structure, passes through the length for setting and triggering extension bar so that when promoting the triggering key of the trigger mechanism, and inside and outside pin limit buckle is a point elder generation
Open afterwards, so as to reach the effect of outer pin transmitting cutting after interior pin transmitting sampling.
In the present embodiment, one end being connected with rear triggering connecting rod 10 of interior pin limit buckle 9 is provided with backstop platform 9a.Backstop platform 9a
The one side towards the dividing plate 1b of base 1 be inclined-plane, the one side relative with the inclined-plane is stop surface, so that during loading, interior
Pin transmitting block can cross the backstop platform along the inclined-plane, so that the stop surface is contacted and caused with the interior pin transmitting block
Pin is in emission state in the sampling.The structure of outer pin limit buckle 8 is identical with the structure of interior pin limit buckle 9, no longer detailed herein
State.
It is preferred that outer pin limit buckle 8 is all provided with spring with interior pin limit buckle 9 at each axis of rotation, so that in each limit buckle
It can be rebounded automatically after being open.As shown in figures 2 a and 2b, chute 1f is provided with the front side of base 1, triggering key 12 is embedded in chute 1f
And can be slid back and forth along chute 1f.
In above-mentioned sampler, transmitting block can be made to class ellipticity, up and down respectively as sampling probe mounting groove and installation
Axis channel, so that the functional module such as more reasonable utilization space arrangement loading, regulation, transmitting.The first baffle of governor motion and
Loaded before two baffle plates and feed mechanism block and after the block that loads preferably be arranged above and below, it is preceding load block and after the load position of block set
Put under, so as to preferably undertake the elastic force that spring is produced when loading, play certain labor-saving effect.First baffle and second gear
Plate is set to I-shaped, so that in order to improve its area, significantly covers transmitting block and makes sampling process more stable.
As shown in figure 5, when carrying out biopsy sampling, first biopsy sampling equipment is stretched at destination organization.Then, triggering is promoted
Key 12a, triggering key 12a will push interior pin limit buckle 9, outer pin limit buckle aside by rear triggering connecting rod 10, the preceding triggering priority of connecting rod 11
8.Interior pin transmitting block 5 will get to first baffle 15a in the case where interior pin transmitting spring 6 is acted on, and drive pin 13 in sampling to puncture simultaneously
Enter destination organization.Outer pin transmitting block 4 will get to second baffle 15b in the case where outer pin transmitting spring 7 is acted on, and drive sampling outer simultaneously
The cutting destination organization of pin 14 completes sampling.Trigger process is illustrated as shown in Figure 8,9, 10, when promoting triggering key 12a to half, because
Triggering connecting rod 10 is different with the preceding dimensions length of connecting rod 11 that triggers afterwards, so first push interior pin limit buckle 9 aside, make interior pin transmitting block 5 and
Pin 13 is first launched under the action of the spring in sampling.Then, outer pin limit buckle 8 will also be pushed aside, is made outer pin transmitting block 4 and is taken
The outer pin 14 of sample is launched and completes sampling under the action of the spring.By adjusting the distance between transmitting block and baffle plate, to adjust sampling
Interior pin 13 enters the depth of destination organization 19, so that control targe tissue enters sampling groove and the length being sampled under outer pin cutting
Degree, to reach the purpose of regulation sample length.
The present invention can carry out sample length regulation before sampling, and this is especially advantageous, because on the one hand, different patients
Pathological tissues thickness, not of uniform size, on the other hand requirement of the different medical workers to the biopsy sample length for inspection be not yet
It is identical to the greatest extent.By the sampler of the present invention, user can adjust sample length as needed, it is to avoid take out excess tissue influence
The effect of biopsy method, and reduce the injury to patient.Meanwhile, scale is provided with adjusting key, can before sampling accurate adjustment
Sample length, this is adjusted by user's hand push in use compared to existing hand, semi-manual formula sampler
Section is more accurate, it is easy to operate.Locking key is provided with adjusting key, by promoting locking key to complete locking, peace simple in construction
Entirely, it is easy to operate.By promoting triggering key to complete sampling, facilitate doctor to be hold by one hand in surgical procedure and operated.
Presently preferred embodiments of the present invention is described in detail above, it is understood that being said having read the above-mentioned of the present invention
Award after content, those skilled in the art can make various changes or modifications to the present invention.These equivalent form of values equally fall within this
Apply for appended claims limited range.
Claims (8)
1. a kind of adjustable sampling device for biopsy, it is characterised in that the adjustable sampling device for biopsy includes：
Base, installation axle and cover plate, the base have back plate, dividing plate and the ante-chamber and back cavity separated by the dividing plate, and
The installation axle is installed in the base；
Pin and the outer pin of sampling in sampling, the outer needle guard of the sampling is in the sampling on pin；
Interior pin transmitting spring, interior pin transmitting block, outer pin transmitting spring and the outer pin transmitting block of the installation axle are inserted in successively, its
In, the interior pin transmitting spring and the interior pin transmitting block be placed in the back cavity and the interior pin transmitting spring one end against
The interior pin transmitting block, the other end is against the back plate；The outer pin transmitting spring and the outer pin transmitting block be placed in it is described before
Intracavitary, one end of the outer pin transmitting spring is against the outer pin transmitting block, and the other end is against the dividing plate；And the sampling
The interior pin transmitting block is fixed in one end of interior pin, and the other end extends the base, and one end of the outer pin of the sampling is fixed
In the outer pin transmitting block, the other end extends the base；
Governor motion, the governor motion is provided with first baffle and second baffle, and the first baffle being capable of interior pin described in backstop
The position of transmitting block and the first baffle can adjust to adjust the interior pin relative to the position of the interior pin transmitting block
The move distance of transmitting block, the second baffle be capable of the position of outer pin transmitting block and the second baffle described in backstop relative to
The position of the outer pin transmitting block can adjust to adjust the move distance of the outer pin transmitting block；
Feed mechanism, the feed mechanism coordinates with the interior pin transmitting block and the outer pin transmitting block respectively, so as to press
The interior pin that contracts launches spring and the outer pin transmitting spring and make it that pin and the outer pin of the sampling are in pending in the sampling
Penetrate state；And
Trigger mechanism, the trigger mechanism can be driven, so that the interior pin transmitting spring and the outer pin transmitting bullet
Spring discharges from compressive state, and then transmitting samples interior pin and samples outer pin successively；
The installation axle runs through the ante-chamber and the back cavity, and one end positioned at the ante-chamber of the installation axle is provided with end
Plate, the end plate is provided with the otch passed through for pin in the sampling and the outer pin of the sampling；
The side wall of the base is provided with regulation chute, and the governor motion is additionally provided with regulation connecting rod, adjusting key and locking key, institute
State first baffle and the second baffle is separately positioned on the two ends of the regulation connecting rod, the adjusting key is fixedly connected on described
Adjust connecting rod and slide and then the drive regulation connecting rod, the first baffle and the second gear can be adjusted along described
Plate is slided, and the locking key is used to locking or unlocking the adjusting key.
2. adjustable sampling device for biopsy according to claim 1, it is characterised in that the bottom wall of the base is provided with and loaded
Chute, the feed mechanism is provided with the slide bar and slide bar that loads can be along the slide that loads, the cunning of loading of loading
Bar two ends loaded before being respectively equipped with block and after load block, it is described before load block and it is described after the block that loads launch respectively with the outer pin
Block and the interior pin transmitting block coordinate, and make so as to compress the outer pin transmitting spring and the interior pin transmitting spring respectively
Obtain pin in the outer pin of the sampling and the sampling and be in battery.
3. adjustable sampling device for biopsy according to claim 1, it is characterised in that the regulation chute be groove and
Upper and lower both side surface is zigzag, and one end of the adjusting key is provided with upper and lower two elastic ribs, every elastic rib
End is provided with shape and the outstanding projection that matches of serrated-surface for adjusting chute, and every elastic rib
Root is provided with pit；And the locking muscle that the locking key stretches out provided with clamping block and from the clamping block both sides, in institute
The end of locking muscle is stated provided with inwardly projecting locking projections, in the locked state, the clamping block is located at two elasticity
Between muscle, so that the projection of the elastic rib is caught in the serrated-surface of the regulation chute and limits the elastic rib bullet
Property deformation, and the locking projections are caught in the pit.
4. adjustable sampling device for biopsy according to claim 1, it is characterised in that the regulation chute is provided with quarter
Degree.
5. adjustable sampling device for biopsy according to claim 1, it is characterised in that the trigger mechanism includes triggering
Key, afterwards triggering slide bar, triggering connecting rod, interior pin limit buckle, preceding triggering connecting rod and outer pin limit buckle, the triggering key are fixedly connected on
On the triggering slide bar, the two ends of the triggering slide bar respectively with one end of the preceding triggering connecting rod and it is described after triggering connecting rod
One end is hinged, it is described after the other end and one end dumpling of the interior pin limit buckle of triggering connecting rod connect, it is described before trigger the another of connecting rod
One end and one end dumpling of the outer pin limit buckle connect, the other end of the other end of the interior pin limit buckle and the outer pin limit buckle
The base is articulated with, so that under battery, the interior pin limit buckle and the outer pin limit buckle lock described respectively
Interior pin transmitting block and the outer pin transmitting block, and drive the triggering key to drive the interior pin limit buckle successively and described outer
Pin limit buckle, and then the interior pin transmitting block and the outer pin transmitting block are unlocked successively.
6. adjustable sampling device for biopsy according to claim 5, it is characterised in that the interior pin limit buckle with it is described
One end of triggering connecting rod connection is provided with backstop platform afterwards, and the one side of the dividing plate of the direction base of the backstop platform is oblique
Face, the one side relative with the inclined-plane is stop surface, so that during loading, the interior pin transmitting block can be got over along the inclined-plane
The backstop platform is crossed, so that the stop surface contacts with the interior pin transmitting block and make it that pin is in emitting shape in the sampling
State；And the structure of the outer pin limit buckle is identical with the structure of the interior pin limit buckle.
7. adjustable sampling device for biopsy according to claim 1, it is characterised in that the interior pin transmitting block has tabular
Body, top accommodates post and first provided with interior pin transmitting spring and installs axis channel provided with pin mounting groove in sampling, bottom, and described
First installs axis channel accommodates post through the interior pin transmitting spring；And the outer pin transmitting block has plate-like body, top
Provided with outer pin mounting groove is sampled, bottom accommodates post and second provided with outer pin transmitting spring and installs axis channel, and described second installs
Axis channel accommodates post through the outer pin transmitting spring.
8. adjustable sampling device for biopsy according to claim 7, it is characterised in that the installation axle outer surface is provided with
Installed on guide groove along its length, the inwall of the first installation axis channel with described second on the inwall of axis channel
Provided with guide protrusions, the guide protrusions can be slided along the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236286.8A CN104887276B (en) | 2015-05-11 | 2015-05-11 | Adjustable sampling device for biopsy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510236286.8A CN104887276B (en) | 2015-05-11 | 2015-05-11 | Adjustable sampling device for biopsy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104887276A CN104887276A (en) | 2015-09-09 |
| CN104887276B true CN104887276B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510236286.8A Expired - Fee Related CN104887276B (en) | 2015-05-11 | 2015-05-11 | Adjustable sampling device for biopsy |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108464849A (en) * | 2018-05-22 | 2018-08-31 | 杭州丽康医学科技股份有限公司 | A kind of percutaneous transthoracic needle biopsy needle |
| CN109431552B (en) * | 2018-12-14 | 2024-02-09 | 中山大学孙逸仙纪念医院 | Tissue sample sampling device |
| WO2020168485A1 (en) * | 2019-02-20 | 2020-08-27 | 王沁 | Biopsy needle having two types of excitation |
| CN109965917A (en) * | 2019-04-27 | 2019-07-05 | 西安高通医学发展有限公司 | A kind of full-automatic biopsy needle |
| CN112790796B (en) * | 2020-06-24 | 2023-02-28 | 南京迈迪欣医疗器械有限公司 | Automatic percussion formula living tissue sampling needle |
| CN112168229B (en) * | 2020-10-27 | 2024-04-23 | 德迈特医学技术（北京）有限公司 | Biopsy device |
| CN112890878B (en) * | 2021-01-20 | 2022-07-01 | 上海埃斯埃医疗技术有限公司 | Full-automatic structure biopsy gun device |
| CN113907802B (en) * | 2021-08-27 | 2024-03-22 | 广州晟威医疗器械有限公司 | Full-automatic biopsy needle capable of preventing false triggering |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6749576B2 (en) * | 1996-01-26 | 2004-06-15 | Allegiance Corporation | Biopsy device with adjustable sampling |
| CN2621601Y (en) * | 2003-03-18 | 2004-06-30 | 古鹏飞 | Safety blood taking needle with adjutable puncture depth |
| US7608048B2 (en) * | 2003-08-28 | 2009-10-27 | Goldenberg Alec S | Rotating soft tissue biopsy needle |
| CN201453304U (en) * | 2009-05-27 | 2010-05-12 | 安瑞医疗器械(杭州)有限公司 | Puncture biopsy sampling device |
| CN204723101U (en) * | 2015-05-11 | 2015-10-28 | 复旦大学附属肿瘤医院 | Adjustable sampling device for biopsy |
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2015
- 2015-05-11 CN CN201510236286.8A patent/CN104887276B/en not_active Expired - Fee Related
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| CN104887276A (en) | 2015-09-09 |
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