CN208822829U - biopsy sampling device - Google Patents
biopsy sampling device Download PDFInfo
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- CN208822829U CN208822829U CN201820417366.2U CN201820417366U CN208822829U CN 208822829 U CN208822829 U CN 208822829U CN 201820417366 U CN201820417366 U CN 201820417366U CN 208822829 U CN208822829 U CN 208822829U
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Abstract
The utility model discloses a biopsy sampling device. The biopsy sampling device is particularly suitable for biopsy sampling of small-volume tumors such as bone and soft tissue tumors and/or tissues adjacent to important blood vessels, nerves and the like around the tumors, and can solve the problems of small puncture operation space range and biopsy requiring accurate positioning. The guiding needle can be connected with the injector through the needle seat to perform local anesthesia and perspective positioning work, so that the operation steps can be reduced, and the pain of a patient can be relieved; and because the guide needle only plays a role of guiding or injecting, the diameter can be very small, thereby increasing the operable space around the tumor, being beneficial to reducing the operation difficulty of repeated puncture and reducing the damage to tissues, and under the guidance of the needle tube, the outer sleeve and the sampling inner core can effectively avoid important tissues and organs around the tumor when being inserted into the body, and the risk of puncture is reduced. The biopsy sampling device combines minimally invasive guidance and anesthesia guidance, and is beneficial to shortening the operation process.
Description
Technical field
The utility model relates to medical instruments fields, more particularly, to a kind of sampling device for biopsy.
Background technique
Bone and soft tissue tumors are occupied an important position in orthopaedics, and diagnosing and treating is always the difficult point of orthopaedics.Clinically,
Bone tissue biopsy inspection is to diagnose the important means of a variety of orthopaedic diseases, and biopsy needle is required in bone tissue biopsy procedure
Instrument, but the biopsy needle applied at present only can satisfy the needs that routine clinical bone tissue punctures, it is difficult to meet some particular fields
The use demand of conjunction, such as biopsy of some Bone and soft tissue tumors sample occasion.
Clinical common some Bone and soft tissue tumors small volumes (tumour maximum diameter only 2-5cm), it is more difficult to it positions, and
Often adjoin the histoorgans such as important blood vessels, nerve, spinal cord around tumor tissues, assisted even if being navigated using coherent video,
Also due to tumour periphery can operating space it is limited, need to puncture repeatedly.And traditional bone tissue puncture gauge 8-15G it
Between (internal diameter is all larger than 1.3mm), repeated multiple times puncture is easy to cause operating time to extend, and damaging surrounding tissue can be caused to suffering from
Person causes unnecessary pain, and while damaging serious can lead to the hair of the medical complications such as peripheral vessels, nerve, spinal cord injury
It is raw.
Traditional there are also improved biopsy needles, as carried out aiming at the problem that Bone and soft tissue tumors etc. are not easily taken out
It improves, is for another example directed to the improvement etc. of orientation problem when aspiration biopsy, but traditional biopsy needle still remains Needle localization precision
It is not high, and the problem of easily cause tissue damage.
Utility model content
Based on this, it is necessary to provide a kind of biopsy sampling that can be improved positioning accuracy and tissue damage problem can be reduced
Device.
A kind of sampling device for biopsy, comprising:
Guid needle, the guid needle include needle stand and the syringe needle tube that connect with the needle stand, the needle stand and the syringe needle
Pipe is separable, and the syringe needle tube is for puncturing to target tissue site；
Outer tube, the outer tube include housing fixed part and Casing-Cutting portion, and the housing fixed part is connected to institute
The one end in Casing-Cutting portion is stated, the housing fixed part is external for staying in, and the other end in the Casing-Cutting portion has cutting
Head, the Casing-Cutting portion can cover on the syringe needle tube and can be cut by the cutting head along the syringe needle tube
Enter the target tissue site；And
Inner core is sampled, the sampling inner core includes sampling fixed part and drive pipe portion, the sampling fixed part connection
In the one end in the drive pipe portion, the sampling fixed part can be limited with the housing fixed part to be cooperated, the sampling set
The other end of pipe portion has sampling head, and the drive pipe portion is used to be inserted into the Casing-Cutting portion and can be along the cutting
Cannula portion and/or the syringe needle tube are inserted into sampling point；
The length of the syringe needle tube is greater than the length of the outer tube.
The internal diameter of the syringe needle tube is 0.06mm~0.16mm in one of the embodiments,.
The length of the syringe needle tube is greater than the length of the sampling inner core, the sampling set in one of the embodiments,
The length of pipe portion is greater than the length in the Casing-Cutting portion.
The needle stand is equipped with the pintle of cyclic annular, single-blade shape or double-vane shape in one of the embodiments,.
Pipe, insert-type sleeve-connected are connected through a screw thread between the needle stand and the syringe needle tube in one of the embodiments,
Pipe, pre-break formula connecting tube or can shear-type connecting tube connection.
The sampling inner core further includes handle portion in one of the embodiments, and the handle portion and the sampling are fixed
Portion's connection.
The housing fixed part is equipped with the stair-stepping limit being connected to the Casing-Cutting portion in one of the embodiments,
Position hole, the sampling fixed part are annular stepped structure compatible with the limit hole.
The cutting head has sharp edge ring in one of the embodiments, and the sharp edge ring is by multiple semicircle swords
Mouth cyclization is constituted or is made of multiple cutting edges in the arrangement of worm gear shape；
The shape of the sampling head is beveled tip head, strip forming head, multi-edge column-shaped tip, hook tip or worm gear shape tip.
It is equipped in the syringe needle tube, the Casing-Cutting portion and the drive pipe portion in one of the embodiments,
Scale marker.
The sampling device for biopsy further includes needle fixture in one of the embodiments, the fixed dress of the syringe needle
It sets including crossbeam, syringe needle lock-screw, support rod, support castor and castor lock screw, the crossbeam is equipped with for institute
The fixation hole that syringe needle tube passes through is stated, one end of the syringe needle lock-screw can screw in the fixation hole and contact with the syringe needle tube
Being locked the syringe needle tube in the fixation hole, the crossbeam is respectively provided with tooth mouth in the two sides of the fixation hole,
The support rod has two, and two support rods can be each passed through two tooth mouths and engage with the crossbeam and two branch
The distance between strut is adjustable, and the support castor is ellipse and side has rubber face, and the support castor is located at described
The both ends of support rod, the castor lock screw is for being locked the support leg wheel in the end of the support rod.
The sampling device for biopsy of the utility model is particularly suitable for the small sizes tumours such as Bone and soft tissue tumors and/or tumour week
The biopsy sampling for adjoining the tissues such as important blood vessels, nerve is enclosed, the work that puncture procedure spatial dimension is small, needs precise positioning can be solved
The problem of body tissue checks.On the whole, the sampling device for biopsy of the utility model has at least the following advantages:
1. can connect by needle stand with syringe after guid needle is inserted into target tissue site, local anaesthesia and perspective are carried out
Work is positioned, other invasive anesthesia surgeries is not necessarily to, surgical operation step can be reduced, mitigate the pain of patient；
2. can accomplish that diameter is very small, since guid needle only serves the effect of guiding or injection so as to increase
Tumour periphery can operating space, advantageously reduce the operation difficulty punctured repeatedly, especially needing to carry out positional operand repeatedly
When making, since the diameter of guid needle can be much smaller than traditional bone tissue puncture needle, the pain of patient in surgical procedure can reduce
Hardship, and it is small to the damage of surrounding tissue, be conducive to the postoperative reparation of patient；
3. the needle stand of guid needle and syringe needle tube are separable, thus needle stand is divided with the syringe needle tube for being inserted in target tissue site
From rear, directly outer tube and/or sampling the inner core target tissue site that goes directly can be guided to be sampled using syringe needle tube, in syringe needle tube
Guidance under, outer tube and sampling inner core insertion body when can effectively avoid the important histoorgan in periphery, reduce puncture
Risk；
4. the sampling device for biopsy of the utility model combines above-mentioned advantage, sampling process is safe and easy to operate, more may be used
To improve the successful probability of biopsy on the whole, puncturing operation can be disposably completed, avoids puncturing repeatedly；
5. minimally invasive guiding is combined with anesthesia guiding, is conducive to shorten and perform the operation by the sampling device for biopsy of the utility model
Journey, the radiation for reducing perspective or CT positioning generation damage patient and medical staff.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sampling device for biopsy of one embodiment of the utility model；
Fig. 2 a, 2b and Fig. 2 c are respectively the structural representation of the guid needle of cyclic annular pintle, single-blade shape pintle and double-vane shape pintle
Figure；
Fig. 3 a, 3b and 3c are respectively that needle stand and syringe needle tube pass through pre-break formula connecting tube, insert-type sleeve-connected pipe and screw thread
The connection relationship diagram of connecting tube；
Fig. 4 is the structural schematic diagram of outer tube in Fig. 1；
Fig. 5 a and 5b are respectively front view and the side view for the cutting head of outer tube being made of multiple semicircle cutting edge cyclization
Figure, Fig. 5 c are the structural schematic diagram for the cutting head being made of multiple cutting edges in the arrangement of worm gear shape；
Fig. 6 is the structural schematic diagram that inner core is sampled in Fig. 1；
Fig. 7 a, 7b, 7c, 7d and 7e are respectively beveled tip head shapes, the strip head shapes, multi-edge column-shaped tip for sampling inner core
The structural schematic diagram of the sampling head of shape, hook pointed shape and worm gear shape pointed shape；
Fig. 8 is the cooperation schematic diagram of the guid needle and outer tube in Fig. 1；
Fig. 9 is the cooperation schematic diagram of outer tube and sampling inner core in Fig. 1；
Figure 10 is the cooperation schematic diagram of guid needle, outer tube and needle fixture in Fig. 1；
Figure 11 a, 11b, 11c and 11d are respectively the top view of needle fixture in Figure 10, support castor schematic diagram, cross
The top view of beam and the side view of crossbeam.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
The understanding for opening content is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein "and/or" includes
Any and all combinations of one or more related listed items.
As shown in Figure 1, the sampling device for biopsy 10 of an embodiment includes guid needle 100, outer tube 200 and sampling
Inner core 300.Guid needle 100 is mainly used as drug injection and when outer tube 200 and/or sampling inner core 300 are inserted into as guiding.
Outer tube 200 is used to match with sampling inner core 300 and is cut into target tissue site and is sampled.
Specifically, Fig. 2 a please be join, guid needle 100 is hollow structure, including needle stand 110 and the syringe needle connecting with needle stand 110
Pipe 120.Needle stand 110 and syringe needle tube 120 are separable, and syringe needle tube 120 is for puncturing to target tissue site.
In the present embodiment, needle stand 110 has for the pintle with the mating connection of the external injection device such as syringe
112a.The pintle 112a of guid needle 100 as shown in Figure 2 a is annular in shape.In other embodiments, pintle as shown in Figure 2 b
Pintle 112c shown in 112b and Fig. 2 c is respectively single-blade shape and double-vane shape.The pintle of single-blade shape and double-vane shape facilitates operation, such as
It is pierced into convenient for guid needle 100, connection syringe, punctures repeatedly and the operation such as be detached from syringe needle tube 120, while being also easy to fix,
Patient can be reduced due to deviating (biopsy is usually local anaesthesia) caused by the slight vibration such as twitch.Pintle on needle stand 110 is excellent
It is selected as the pintle of single-blade shape.
The needle stand 110 and syringe needle tube 120 of present embodiment are detachable connection.Specifically, such as Fig. 3 a, Fig. 3 b and Fig. 3 c
It is shown, pre-break formula connecting tube, insert-type sleeve-connected pipe and screw nipple etc. can be passed through between needle stand 110 and syringe needle tube 120
Mode connects.Wherein, the pre- folding line that pre- folding connecting tube, that is, connecting tube is equipped with convenient for fractureing；Insert-type sleeve-connected pipe, that is, needle stand
In 110 pluggable syringe needle tubes 120 or syringe needle tube 120 can be inserted into needle stand 110；Screw nipple, that is, needle stand 110 and syringe needle tube
120 connect in end thread, such as can be located at external screw thread on needle stand 110, internal screw thread, Huo Zhe are arranged on syringe needle tube 120
Internal screw thread is set on needle stand 110, external screw thread etc. is set on syringe needle tube 120.Connecting tube between needle stand 110 and syringe needle tube 120
Material can be stainless steel, aluminium alloy, magnesium alloy etc., in other embodiments, may be used also between needle stand 110 and syringe needle tube 120
With using can shear-type connecting tube connection, such as can using medical polyvinyl (PVC), polyurethane (PU), polypropylene (PP),
The plastic materials such as polyethylene (PE) production, convenient for cutting.
In the present embodiment, can be done as the internal diameter of the syringe needle tube of guiding 120 it is very small, as internal diameter can be
0.16mm~0.06mm (30G~34G), in this way the bone tissue puncture needle compared with traditional specification between 8G~15G are being punctured
When can reduce damage to tissue, reduce the pain of patient, even if needing to puncture repeatedly, repeatedly puncture to reduce as far as possible
Damage to tissue, and since specification is smaller, it is possible to prevente effectively from the damage to sampling tissue surrounding tissue.
As shown in figure 4, outer tube 200 includes housing fixed part 210 and Casing-Cutting portion 220.Housing fixed part 210 connects
One end in Casing-Cutting portion 220 is connect, housing fixed part 210 is external for staying in.The position hollow tubular knot in Casing-Cutting portion 220
Structure, the other end have cutting head 222.As shown in figure 8, Casing-Cutting portion 220 can cover on syringe needle tube 120 and can pass through
Cutting head 222 is cut into target tissue site along syringe needle tube 120.
Cutting head 222 has sharp edge ring.As shown in Fig. 5 a, 5b and 5c, sharp edge ring is by multiple semicircle cutting edge cyclization
It constitutes or is made of multiple cutting edges in the arrangement of worm gear shape.Cutting head 222 by the sharp edge ring can with incised tissue, into
Enter target tissue site.
As shown in fig. 6, sampling inner core 300 includes sampling fixed part 310 and drive pipe portion 320.Sample fixed part 310
It is connected to the one end in drive pipe portion 320, sampling fixed part 310 can be limited with housing fixed part 210 to be cooperated.Drive pipe
Portion 320 is hollow tubular structure.The other end in drive pipe portion 320 has sampling head 322, and drive pipe portion 320 is for inserting
Enter Casing-Cutting portion 220 and sampling point can be inserted into along Casing-Cutting portion 220 and/or syringe needle tube 120.
As shown in Fig. 7 a, 7b, 7c, 7d and 7e, the shape of sampling head 322 be can be as beveled tip head, strip forming head, polygon prism
The various shapes convenient for being pierced into and sampling such as shape tip, hook tip or worm gear shape tip, preferably strip forming head.
Incorporated by reference to Fig. 4, Fig. 6 and Fig. 9, in the present embodiment, housing fixed part 210 is equipped with to be connected with Casing-Cutting portion 220
Logical stair-stepping limit hole 212.Sampling fixed part 310 is annular stepped structure compatible with limit hole 212.Further,
In the present embodiment, limit hole 212 be three-level stepped hole, and from far from Casing-Cutting portion 220 one end to Casing-Cutting portion
One end internal diameter of 220 connections is gradually reduced, until consistent with the internal diameter in Casing-Cutting portion 220；Sampling fixed part 310 is two-stage ring
Shape hierarchic structure can be adapted with the preceding two-stage hole location of three-level stepped hole.By the way that housing fixed part 210 is arranged and matches therewith
The sampling fixed part 310 of set can fix sampling inner core 300 when obtaining tissue sample, avoid drive pipe portion 320 too deep
It is pierced into, simultaneously because usually local anaesthesia when biopsy, the sampling fixed part that matches using housing fixed part 210 and therewith
310 can be shifted to avoid patient due to drive pipe portion 320 caused by the slight vibration such as twitch, and sampling deviation is caused.
Further, Fig. 6 please be join, the sampling inner core 300 of present embodiment further includes handle portion 330.Handle portion 330 and sampling
Fixed part 310 connects.By the way that handle portion 330 is arranged, can be also convenient for taking out or being pierced into taking in order to rotate drive pipe portion 320
Sample cannula portion 320, and then tissue sample is conveniently obtained repeatedly.
In the present embodiment, the length of syringe needle tube 120 needs to be longer than the length of outer tube 200, and to be preferably also longer than
The length of inner core 300 is sampled, such as in one embodiment, the length of syringe needle tube 120 can be 8cm~40cm.Further preferably
, the length in drive pipe portion 320 is greater than the length in Casing-Cutting portion 220 and such as in one embodiment entirely samples inner core
300 length is 8cm~18cm.
Further, in the present embodiment, it is equipped in syringe needle tube 120, Casing-Cutting portion 220 and drive pipe portion 320
Scale marker is conducive to the depth that operator understands piercing in time, in this way when being pierced into convenient for the positioning for being pierced into and sampling.
In addition, in the present embodiment, which further includes as shown in Figure 10 and Figure 11 a~Figure 11 d
Needle fixture 400.Needle fixture 400 includes crossbeam 410, syringe needle lock-screw 420, support rod 430, support castor
440 and castor lock screw 450.Crossbeam 410 is equipped with the fixation hole 412 passed through for syringe needle tube 120.Syringe needle locking screw
One end of nail 420 can screw in fixation hole 412 and be contacted with syringe needle tube 120 being locked syringe needle tube 120 in fixation hole 412
In.Crossbeam 410 is respectively provided with tooth mouth 414 in the two sides of fixation hole 412.Support rod 430 is arched, and which is provided with being capable of groove.
Support rod 430 has two, and two support rods 430 can be each passed through two tooth mouths 414 and engage with crossbeam 410 and two support rods
The distance between 430 is adjustable.Supporting castor 440 is that oval and side has rubber face, and the rubber face is for being placed on support
On object.Support castor 440 is located at the both ends of support rod 430.Castor lock screw 450 will be for that will support castor 440 to be locked
On support rod 430.
The sampling device for biopsy 10 of present embodiment is particularly suitable for the small sizes such as Bone and soft tissue tumors tumour and/or swells
The biopsy sampling for adjoining the tissues such as important blood vessels, nerve around tumor, can solve that puncture procedure spatial dimension is small, needs precise positioning
Biopsy the problem of.Wherein, after guid needle 100 is inserted into target tissue site, can be connected by needle stand 110 and syringe
It connects, carries out local anaesthesia and Fluoroscopy location work, be not necessarily to other invasive anesthesia surgeries, surgical operation step can be reduced, mitigate disease
The pain of people；And since guid needle 100 only serves the effect of guiding or injection, guid needle 100 is not used as sampling, therefore, can
To accomplish that diameter is very small, so as to increase tumour periphery can operating space, advantageously reduce the operation punctured repeatedly
Difficulty, especially when needing to carry out positioning operation repeatedly, since the diameter of guid needle 100 can be much smaller than traditional bone tissue
Puncture needle can reduce the pain of patient in surgical procedure, and small to the damage of surrounding tissue, be conducive to the postoperative reparation of patient；
The syringe needle tube 120 of guid needle 100 directly can guide outer tube 200 using syringe needle tube 120 and/or take after separating with needle stand 110
The target tissue site that goes directly of sample inner core 300 is sampled, under the guidance of syringe needle tube 120, in outer tube 200 and sampling inner core
The important histoorgan in periphery can be effectively avoided when 300 insertion body, reduces the risk of puncture.
Make below in conjunction with structure and application method of two specific embodiments to the sampling device for biopsy of the utility model
Further details of explanation.
Embodiment 1
The sampling device for biopsy of the Bone and soft tissue tumors of the present embodiment includes guid needle, sampling inner core and outer tube.It leads
Draw pin is made of syringe needle tube and needle stand, syringe needle tube model 32G (internal diameter 0.11mm), length 35cm, and needle stand uses single-blade
The needle stand of shape pintle, syringe needle tube and needle stand are connected by plastics transfer tube.The drive pipe size portion for sampling inner core is strip, long
Degree is 12cm, model 27G (internal diameter 0.21mm).Casing-Cutting minister's degree of outer tube is 10cm, model 20G (internal diameter
For 0.60mm).
Application method: existing bone tumour volunteer, tumor tissues feature are positioned at 2 centrum of neck (high-order cervical vertebra), tumour body
Product is small, only 3cm*2cm*2cm, and lesion locations are close to the vital tissues organ such as neck marrow, vertebral artery, oesophagus.Conventional puncture needle into
It is fashionable, to avoid damage to neck marrow, vertebral artery, oesophagus etc., can operating space it is minimum, and even if being punctured, every 3cm that enters needs
Puncture angle is adjusted according to perspective or CT images, it is long to puncture the time, and will lead to because of damaging surrounding tissue, wound caused by puncturing repeatedly
Hurt big consequence.When carrying out biopsy to it using the sampling device for biopsy of the present embodiment, lower positioning, sharp property are had an X-rayed using guid needle
After going deep into lesion bone tissue, connection syringe carries out local infiltration anesthesia.After anesthesia of patient position is without sense of touch, cuts plastics and turn
Adapter tube.The syringe needle tube of guid needle is inserted in Casing-Cutting portion.It is rubbed when to prevent Casing-Cutting portion from entering human body with syringe needle tube
The positional shift that power causes syringe needle tube is wiped, using the syringe needle tube of the fixed guid needle of needle fixture, specifically: unscrewing syringe needle lock
Tight screw is inserted in fixation hole from syringe needle tube tail portion, screws syringe needle lock-screw；It is inserted into support rod on the tooth mouth of crossbeam and adjusts
Its position and spacing, it is fixed；Castor lock screw is unscrewed, the position of the support castor (with rubber friction face) of ellipse is adjusted
It sets, after entire needle fixture is stablized, screws castor lock screw.Using the syringe needle tube of guid needle as guidance, cutting set
The sharp edge ring of pipe portion is cut into tumor locus, extracts the syringe needle tube of guid needle out, removes needle fixture.In insertion sampling
Core, until after sampling fixed part and housing fixed part coincide, the handle portion of 360 ° of rotation sampling inner cores is kept completely separate to tumor tissues
Afterwards, sampling inner core is extracted, the biopsy procedure of bone tumour is completed.
Embodiment 2
The sampling device for biopsy of the Bone and soft tissue tumors of the present embodiment includes guid needle, sampling inner core and outer tube.It leads
Draw pin is made of syringe needle tube and needle stand, syringe needle tube model 34G (internal diameter 0.06mm), length 15cm, and needle stand uses double-vane
The needle stand of shape pintle, syringe needle tube and needle stand are connected by stainless steel pre-break formula connecting tube.Sample the drive pipe size portion of inner core
For beveled tip head, length 14cm, model 32G (internal diameter 0.11mm).Casing-Cutting minister's degree of outer tube is 10cm, model
For 18G (internal diameter 0.84mm).
Application method: existing fibrosarcoma volunteer, tumor tissues are located at left upper arm, and feature is that gross tumor volume is small, size
For 3cm*2cm*4cm, and nerve and blood vessel are adjoined in obscure boundary, periphery.The deficiency that conventional puncture needle is described in addition to embodiment 1
Outside, can also be larger due to diameter itself, when entrance, can pull peripheral soft tissues sliding, cause suffering to patient, and lead to itself
It is difficult to fix.When carrying out biopsy to it using the sampling device for biopsy of the present embodiment, using positioning under guid needle CT, sharp property is goed deep into
After lesion bone tissue, connection syringe carries out local infiltration anesthesia.After anesthesia of patient position is without sense of touch, connected from pre-break formula
It is cut at the pre- folding line of pipe.The insertion sampling inner core in outer tube, until after sampling fixed part and housing fixed part coincide, with guiding
For the syringe needle tube of needle as guidance, the tip in drive pipe portion drives outer tube and sampling inner core to be pierced into tumor locus, it is possible to reduce
To the drawing of perienchyma, guid needle is extracted out, the handle portion of 360 ° of rotation sampling inner cores is pulled out after tumor tissues are kept completely separate
Inner core is sampled out, obtains tumor tissues repeatedly, until obtaining enough tumor tissues samples.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of sampling device for biopsy characterized by comprising
Guid needle, the guid needle include needle stand and the syringe needle tube that connect with the needle stand, and the needle stand and the syringe needle tube can
Separation, the syringe needle tube is for puncturing to target tissue site；
Outer tube, the outer tube include housing fixed part and Casing-Cutting portion, and the housing fixed part is connected to described cut
One end of cannula portion is cut, the housing fixed part is external for staying in, and the other end in the Casing-Cutting portion has cutting head, institute
Stating Casing-Cutting portion can cover on the syringe needle tube and can be cut into institute along the syringe needle tube by the cutting head
State target tissue site；And
Inner core is sampled, the sampling inner core includes that sampling fixed part and drive pipe portion, the sampling fixed part are connected to institute
The one end in drive pipe portion is stated, the sampling fixed part can be limited with the housing fixed part to be cooperated, the drive pipe portion
The other end there is sampling head, the drive pipe portion is for being inserted into the Casing-Cutting portion and can be along the Casing-Cutting
Portion and/or the syringe needle tube are inserted into sampling point；
The length of the syringe needle tube is greater than the length of the outer tube.
2. sampling device for biopsy as described in claim 1, which is characterized in that the internal diameter of the syringe needle tube be 0.06mm~
0.16mm。
3. sampling device for biopsy as described in claim 1, which is characterized in that the length of the syringe needle tube is greater than in the sampling
The length of core, the length in the drive pipe portion are greater than the length in the Casing-Cutting portion.
4. sampling device for biopsy as described in claim 1, which is characterized in that the needle stand is equipped with cyclic annular, single-blade shape or double
The pintle of wing.
5. sampling device for biopsy as described in claim 1, which is characterized in that pass through spiral shell between the needle stand and the syringe needle tube
Line connecting tube, insert-type sleeve-connected pipe, pre-break formula connecting tube or can shear-type connecting tube connection.
6. sampling device for biopsy as described in claim 1, which is characterized in that the sampling inner core further includes handle portion, described
Handle portion is connect with the sampling fixed part.
7. sampling device for biopsy as described in claim 1, which is characterized in that the housing fixed part is equipped with to be covered with the cutting
The stair-stepping limit hole of pipe portion connection, the sampling fixed part are annular stepped structure compatible with the limit hole.
8. sampling device for biopsy as described in claim 1, which is characterized in that the cutting head has sharp edge ring, the cutting edge of a knife or a sword
Sharp sword ring is made of multiple semicircle cutting edge cyclization or is made of multiple cutting edges in the arrangement of worm gear shape；
The shape of the sampling head is beveled tip head, strip forming head, multi-edge column-shaped tip, hook tip or worm gear shape tip.
9. sampling device for biopsy as described in claim 1, which is characterized in that the syringe needle tube, the Casing-Cutting portion and institute
It states and is equipped with scale marker in drive pipe portion.
10. such as sampling device for biopsy according to any one of claims 1 to 9, which is characterized in that further include the fixed dress of syringe needle
It sets, the needle fixture includes crossbeam, syringe needle lock-screw, support rod, supports castor and castor lock screw, described
Crossbeam is equipped with the fixation hole passed through for the syringe needle tube, and one end of the syringe needle lock-screw can screw in the fixation hole
Contacted with the syringe needle tube being locked the syringe needle tube in the fixation hole, the crossbeam in the fixation hole two
Side is respectively provided with tooth mouth, and the support rod has two, and two support rods can be each passed through two tooth mouths and the crossbeam
It engages and the distance between two described support rods is adjustable, the support castor is ellipse and side has rubber face, described
Support castor is located at the both ends of the support rod, and the castor lock screw is for being locked the support leg wheel described
The end of support rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417366.2U CN208822829U (en) | 2018-03-26 | 2018-03-26 | biopsy sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417366.2U CN208822829U (en) | 2018-03-26 | 2018-03-26 | biopsy sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208822829U true CN208822829U (en) | 2019-05-07 |
Family
ID=66292742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820417366.2U Active CN208822829U (en) | 2018-03-26 | 2018-03-26 | biopsy sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208822829U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420464A (en) * | 2018-03-26 | 2018-08-21 | 中山大学附属第医院 | Biopsy sampling device |
| CN111407325A (en) * | 2020-04-10 | 2020-07-14 | 杭州医蜂转化智能科技有限公司 | Biopsy needle convenient for efficient complete cutting |
| ES2797849A1 (en) * | 2019-06-03 | 2020-12-03 | Marcano Nelson Gabriel Cohen | INSTRUMENT FOR THE OPTIMIZATION OF THE CARVING OF SURGICAL PIECES OF PATHOLOGICAL ANATOMY (Machine-translation by Google Translate, not legally binding) |
-
2018
- 2018-03-26 CN CN201820417366.2U patent/CN208822829U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420464A (en) * | 2018-03-26 | 2018-08-21 | 中山大学附属第医院 | Biopsy sampling device |
| CN108420464B (en) * | 2018-03-26 | 2024-05-28 | 中山大学附属第一医院 | Biopsy sampling device |
| ES2797849A1 (en) * | 2019-06-03 | 2020-12-03 | Marcano Nelson Gabriel Cohen | INSTRUMENT FOR THE OPTIMIZATION OF THE CARVING OF SURGICAL PIECES OF PATHOLOGICAL ANATOMY (Machine-translation by Google Translate, not legally binding) |
| CN111407325A (en) * | 2020-04-10 | 2020-07-14 | 杭州医蜂转化智能科技有限公司 | Biopsy needle convenient for efficient complete cutting |
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