CN205964083U - Backbone centrum lesion tissues gets biopsy ware - Google Patents

Backbone centrum lesion tissues gets biopsy ware Download PDF

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Publication number
CN205964083U
CN205964083U CN201620627347.3U CN201620627347U CN205964083U CN 205964083 U CN205964083 U CN 205964083U CN 201620627347 U CN201620627347 U CN 201620627347U CN 205964083 U CN205964083 U CN 205964083U
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China
Prior art keywords
biopsy
handle
trocar sheath
bar
pushing ram
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CN201620627347.3U
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Chinese (zh)
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傅智轶
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Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
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Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
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Abstract

The utility model relates to a backbone centrum lesion tissues gets biopsy ware, the biopsy ware includes pushing ram, pushing ram handle, outer tube, outer tube handle, biopsy pole, biopsy pole handle, pushing ram one end connect the pushing ram handle, the other end is equipped with the needle point, outer tube handle fixed connection at the tip of outer tube, the outer tube on the scaled chi of mark, its scale range is 0 7cm, the outer tube handle in be equipped with the communicating passageway of outer tube, the outer tube handle on be equipped with the recess, the cooperation of recess and pushing ram handle, biopsy pole one end connect biopsy pole handle, the other end is equipped with the sample and draws the chamber, the sample draw the chamber and constitute by the screw thread, form the thread groove between the adjacent threads, the near -end of biopsy pole still is equipped with the scale, is its scale range 2 3cm. Its advantage shows: the utility model discloses a backbone centrum lesion tissues gets biopsy ware, the wound is little, the sample volume is big, biopsy wide range, length control are accurate.

Description

A kind of spinal vertebral pathological tissues take biopsy device
Technical field
This utility model is related to technical field of medical instruments, specifically, is that a kind of spinal vertebral pathological tissues take biopsy Device.
Background technology
Spinal vertebral pathological changes especially tumor of spine is the higher a kind of disease of sickness rate in crowd.Tumor of spine refers to send out It is born in the skeleton of spinal column and its constitutional of affiliated group or metastatic tumo(u)r and some tumor-like lesions.
Tumor of spine treatment usually needs to take biopsy, is easy to focus pathological diagnosis thus formulating comprehensive scheme.Spine node Structure is complicated, and position is deep to exist, and around closes on blood vessel, spinal cord, peripheral nervouss phase, obtains pathological tissue and carries out inspection and have necessarily being stranded Difficult.
For spinal lesion, percutaneous transthoracic needle biopsy has become important diagnostic means, is to differentiate tumor, evaluates operation Indication, instruct radiation and chemotherapy scheme one kind is effective and reliable method.
In prior art, spinal lesion takes biopsy to be typically pliers or biopsy needle absorption two ways, and pliers needs to cut relatively Big otch, pliers biopsy can obtain enough specimen, but wound is planted, shifts, had a strong impact on patient thereby increases and it is possible to incisxal edge greatly Prognosis, biopsy needle draw mode during actual aspiration biopsy extraction difficult, specimen amount little it is impossible to meet pathologic finding need Will.Easily cause fail to pinpoint a disease in diagnosis, the series of problems such as mistaken diagnosis.
Secondly, in spinal lesion, by way of biopsy needle absorption, take biopsy, its biopsy specimen is organized in back shrinkage During, because specimen tissue does not have the place of special receiving, when biopsy needle exits, its specimen can adhere to internal surface of sleeve pipe.Cause Spinal lesion takes biopsy failure.
In addition, biopsy needle of the prior art is when taking biopsy for spinal vertebral, relies solely on needle point and take specimen to organize, Its biopsy scope has limitation, relatively more single.Even if take out the biopsy of q.s nor analyze focus comprehensively.
Furthermore, when biopsy needle of the prior art takes spinal vertebral pathological tissues, the depth that its biopsy needle is inserted is uncontrollable, The depth of its biopsy needle to determine generally according to the experience of operative doctor, and for the doctor of unskilled degree of performing the operation, biopsy needle can Can insert too deep or excessively shallow it is impossible to accurately control the depth of biopsy needle insertion.Easily cause complication.
In sum, need that a kind of wound is little, specimen amount big, biopsy scope is wide, length controls accurately spinal vertebral disease badly Become tissue and take biopsy device.And take biopsy device to yet there are no report with regard to this Vertebral body tissue.
Content of the invention
The purpose of this utility model is to provide that a kind of wound is little, specimen amount big, biopsy scope is wide, length controls accurately Spinal vertebral pathological tissues take biopsy device.And take biopsy device to yet there are no report with regard to this Vertebral body tissue.
For achieving the above object, the technical solution of the utility model is:
A kind of spinal vertebral pathological tissues take biopsy device, described biopsy device include pushing ram, pushing ram handle, trocar sheath, Trocar sheath handle, biopsy bar, biopsy bar handle;Described pushing ram and trocar sheath match;Described biopsy bar and trocar sheath Match;Described pushing ram one end connects pushing ram handle, and the other end is provided with needle point;Described needle point is in triangular pyramid;Institute The trocar sheath handle stated is fixedly connected on the end of trocar sheath;It is marked with rule, its scale range is on described trocar sheath 0-7cm;It is provided with, in described trocar sheath handle, the passage that trocar sheath communicates;Described trocar sheath handle is provided with groove;Described Groove and pushing ram handle coordinate;Described biopsy bar one end connects biopsy bar handle, and the other end is provided with specimen and extracts chamber;Institute The specimen stated is extracted chamber and is made up of screw thread, forms thread groove between adjacent thread;Described specimen storage cavity length is 2-3cm; The near-end of described biopsy bar is additionally provided with rule, and its scale range is 2-3cm.
Further, described trocar sheath is hollow structure.
Further, described biopsy bar is solid construction.
Further, the connection between described trocar sheath and trocar sheath handle is to be connected by way of injection mo(u)lding 's.
Further, described pushing ram, trocar sheath, biopsy bar are fabricated by by stainless steel material.
Further, described pushing ram handle, trocar sheath handle, biopsy bar handle are fabricated by by plastic material 's.
This utility model advantage is:
1st, a kind of spinal vertebral pathological tissues of the present utility model take biopsy device, and wound is little, specimen amount is big, biopsy scope Extensively, length controls precisely;
2nd, it is provided with trocar sheath, surrounding tissue can be isolated, it is to avoid during biopsy, blood isometry surrounding tissue is to pathological tissues Interference, pathological tissues purity is high;
3rd, the needle point of pushing ram is three pyramid shapes, is on the one hand easy to puncture, and on the other hand, the needle point of three pyramid shapes is puncturing During, the pathological tissues of its needle point front end can be according to suitable on three pyramid faces, without the extruding due to needle point gradually forwards Away from being conducive to the extraction of pathological tissues;
4th, it is provided with specimen and extracts chamber, specimen is extracted chamber and included screw thread and thread groove, is capable of the bone to diseased region And tissue is cut, contain specimen tissue by thread groove, specimen tissue will not fall off, the specimen amount simultaneously accommodating Greatly, lesion analysis are conducive to;
5th, specimen extracts chamber and biopsy bar is unitary design, during use, can realize mark by biopsy bar handle This extraction chamber rotates, and specimen is extracted chamber rotation and on the one hand is conducive to inserting, and is on the other hand capable of the work of diseased region surrounding Inspection, biopsy scope is wide, can comprehensively extract lesion tissue;
6th, biopsy bar near-end can be marked with rule, assists doctor to judge the length control that biopsy bar is inserted by this rule System is precisely;
7th, pushing ram and trocar sheath concentric shafts are so that trocar sheath is accurately inserted at lesion locations.
Brief description
Accompanying drawing 1 is that a kind of spinal vertebral pathological tissues of the present utility model take biopsy device each part fractionation structural representation.
Accompanying drawing 2 is pushing ram structural representation of the present utility model.
Accompanying drawing 3 is outer sleeve structure schematic diagram of the present utility model.
Accompanying drawing 4 is biopsy bar structural representation.
Accompanying drawing 5 is pushing ram and trocar sheath use state structural representation.
Accompanying drawing 6 is biopsy bar and trocar sheath use state structural representation.
Specific embodiment
Simultaneously referring to the drawings this utility model is further described with reference to embodiment.
The reference being related in accompanying drawing and ingredient are as follows:
1. pushing ram 11. pushing ram handle
12. needle point 2. trocar sheath
21. trocar sheath handle 22. groove
3. biopsy bar 31. biopsy bar handle
32. specimen extract chamber 321. screw thread
322. thread groove 4. rule
Refer to Fig. 1, a kind of spinal vertebral pathological tissues of the present utility model take each part of biopsy device to split structural representation Figure.A kind of spinal vertebral pathological tissues take biopsy device, and described biopsy device includes pushing ram 1, pushing ram handle 11, trocar sheath 2, outer Sleeve pipe handle 21, biopsy bar 3, biopsy bar handle 31;Described pushing ram 1 and trocar sheath 2 match;Described biopsy bar 3 with Trocar sheath 2 matches;Described pushing ram 1, trocar sheath 2, biopsy bar 3 are fabricated by by stainless steel material;Described overcoat Pipe handle 21, biopsy bar handle 31, pushing ram handle 11 are fabricated by by plastic material.
Refer to Fig. 2, Fig. 2 is pushing ram 1 structural representation of the present utility model.Described pushing ram 1 one end connection pushes away Enter bar handle 11, the other end is provided with needle point 12;Described needle point 12 is in triangular pyramid.
Refer to Fig. 3, Fig. 3 is trocar sheath 2 structural representation of the present utility model.Described trocar sheath handle 21 is fixing even It is connected on the end of trocar sheath 2;Described trocar sheath 2 is hollow structure;It is marked with rule 4, its scale on described trocar sheath 2 Scope is 0-7cm;Connection between described trocar sheath 2 and trocar sheath handle 21 is to be connected by way of injection mo(u)lding; It is provided with, in described trocar sheath handle 21, the passage that trocar sheath 2 communicates;Described trocar sheath handle 21 is provided with groove 22;Described Groove 22 coordinate with pushing ram handle 11.
Refer to Fig. 4, Fig. 4 is biopsy bar 3 structural representation.Described biopsy bar 3 one end connects biopsy bar handle 31, separately One end is provided with specimen and extracts chamber 32;Described specimen is extracted chamber 32 and is made up of screw thread 321, forms screw thread between adjacent thread 321 Groove 322;Described specimen storage cavity length is 2-3cm;The near-end of described biopsy bar 3 is additionally provided with rule 4, and its scale range is 2-3cm;Described biopsy bar 3 is solid construction.
It should be noted that:Under use state, pushing ram 1 is assemblied in trocar sheath 2, and the needle point 12 of pushing ram 1 far-end is stretched Go out trocar sheath 2, the pushing ram handle 11 of pushing ram 1 near-end is connected in the groove 22 of trocar sheath handle 21.By pushing ram 1 He Trocar sheath 2 is placed to spinal vertebral lesion locations (as shown in Figure 5) together, and its pushing ram 1 one aspect has guide effect, outer Spinal vertebral lesion locations delivered to by sleeve pipe 2, and on the other hand, pushing ram 1 far-end is provided with needle point 12, has the effect of puncture, treat outer After sleeve pipe 2 is placed to the suitable position in spinal lesion area, pushing ram 1 is outwards extracted, then insert biopsy bar to trocar sheath 2 again 3, described biopsy bar 3 is assemblied in trocar sheath 2, and the axis of biopsy bar 3 and trocar sheath 2 is concentric shafts, and biopsy bar 3 far-end is stretched Go out trocar sheath 2 (as shown in Figure 6), to realize the biopsy to spinal vertebral pathological changes, then, trocar sheath 2 is remote to biopsy bar 3 controlling End is moved, and its objective is to realize cutting function of organization so that biopsy is retained on biopsy bar 3.
In biopsy bar 3 insertion trocar sheath 2, and pass from trocar sheath 2 far-end, carry out biopsy at spinal lesion position.Wherein, Surrounding tissue is isolated by trocar sheath 2, is that biopsy bar 3 provides the passage of closing so that biopsy bar 3 is being inserted or exited process In, do not affected by surrounding tissue, the purity of sample being taken is high.Rule 4 is marked with trocar sheath 2, its rule 4 is used for sentencing The depth that fixation enters, safety is good.
Described needle point 12 be shaped as three pyramid shapes, needle point 12 1 aspect of its three pyramid shape is easy to puncture, the opposing party Face, in piercing process, the pathological tissues of its needle point 12 front end can be according to along on three pyramid faces, and not for the needle point 12 of three pyramid shapes Can be because the extruding of needle point 12 be gradually forwards away from being conducive to the extraction of pathological tissues.
Specimen is extracted chamber 32 and is included screw thread 321 and thread groove 322, and its screw thread 321, can be by disease during taking biopsy Become tissue and bone can cut, that is, bone trabecula and pathological tissues can extract the screw thread 321 on chamber 32 by specimen and cut Break so that the success rate height of specimen is extracted in biopsy.Specimen storage cavity contains specimen tissue by thread groove 322, and thread groove 322 is the distribution mode of spiral, and bone and tissue can tightly be attached in thread groove 322, will not fall off;Specimen extracts chamber 32 Length is 2-3cm, and that is, the length of thread groove 322 is 2-3cm, enabling accommodate bone and the tissue of substantial amounts of spinal lesion, For lesion analysis.
It is unitary design that specimen extracts chamber 32 with biopsy bar 3, and in biopsy procedure, medical worker can be by controlling biopsy Bar handle 31 rotates, you can realize the rotation that specimen submits chamber to, and specimen is extracted chamber 32 and rotated, and its screw thread 321 is under turning effort There is the effect of precession, especially in bone tissue, be conducive to inserting.On the other hand, specimen is extracted chamber 32 and is passed through to rotate, can The bone and tissue of the surrounding of lesions position is extracted, biopsy scope is wide.Only carried with needle point 12 with prior art Specimen tissue is taken to compare it is ensured that the tissue of lesions position can fully be extracted.Needle point 12 of the prior art biopsy is more single, What needle point 12 was possible to acquisition is the tissue of non-lesion.
The near-end of biopsy bar 3 is additionally provided with rule 4, can interpolate that, by this rule 4, the depth that biopsy bar 3 is inserted, behaviour Control property is good so that medical worker's operation biopsy bar 3 is more accurate.Because biopsy bar 3 is typically people's hand-guided, not yet done for technology The medical worker practicing, because of the standard of no reference, easily causes biopsy bar 3 to insert shallow or too deep, biopsy bar 3 was inserted shallow, then It is possible to not reach diseased region, extract less than pathological tissues;Too deep, then increase patient suffering inserted by biopsy bar 3, or even causes The correlation series of disease such as complication, increased the burden at heart of medical worker and patient.
Described trocar sheath handle 21 be pancake, and trocar sheath handle 21 be provided with one mutual with pushing ram handle 11 The groove 22 of cooperation is so that it is ensured that pushing ram 1 and trocar sheath 2 concentric shafts are so that overcoat when pushing ram 1 and trocar sheath 2 assembling Pipe 2 is accurately inserted at lesion locations.
Trocar sheath 2 and biopsy bar 3 diameter, design under the conditions of minimally invasive, compared with open biopsy mode, wound Little.
A kind of spinal vertebral pathological tissues of the present utility model take biopsy device, wound is little, specimen amount is big, biopsy scope wide, Length controls precisely;It is provided with trocar sheath 2, surrounding tissue can be isolated, it is to avoid during biopsy, blood isometry surrounding tissue is to pathological changes The interference of tissue, pathological tissues purity is high;It is provided with pushing ram 1, there is guide effect, trocar sheath 2 is delivered to spinal lesion position; The needle point 12 of pushing ram 1 is three pyramid shapes, is on the one hand easy to puncture, on the other hand, the needle point 12 of three pyramid shapes is in piercing process In, the pathological tissues of its needle point 12 front end can be according to suitable on three pyramid faces, without the extruding due to needle point 12 gradually forwards Away from being conducive to the extraction of pathological tissues;It is provided with specimen and extracts chamber 32, specimen is extracted chamber 32 and included screw thread 321 and thread groove 322, it is capable of the bone to diseased region and tissue cuts, contain specimen tissue, specimen by thread groove 322 Tissue will not fall off, and the specimen amount simultaneously accommodating is big, is conducive to lesion analysis;It is integral type that specimen extracts chamber 32 with biopsy bar 3 Design, during use, specimen extraction chamber 32 can be realized by biopsy bar handle 31 and rotate, specimen is extracted chamber 32 and rotated a side Face is conducive to inserting, and is on the other hand capable of the biopsy of diseased region surrounding, and biopsy scope is wide, can comprehensively extract focus Tissue;Biopsy bar 3 near-end can be marked with rule 4, assists doctor to judge the length control that biopsy bar 3 is inserted by this rule 4 System is precisely;Pushing ram 1 and trocar sheath 2 concentric shafts are so that trocar sheath 2 is accurately inserted at lesion locations.
The above is only preferred implementation of the present utility model it is noted that common skill for the art Art personnel, on the premise of without departing from this utility model principle, can also make some improvement and supplement, these improve and supplement Also should be regarded as protection domain of the present utility model.

Claims (6)

1. a kind of spinal vertebral pathological tissues take biopsy device it is characterised in that described biopsy device includes pushing ram, pushing ram handss Handle, trocar sheath, trocar sheath handle, biopsy bar, biopsy bar handle;Described pushing ram and trocar sheath match;Described biopsy Bar is matched with trocar sheath;Described pushing ram one end connects pushing ram handle, and the other end is provided with needle point;Described needle point is in three Pyramid;Described trocar sheath handle is fixedly connected on the end of trocar sheath;It is marked with rule, its quarter on described trocar sheath Degree scope is 0-7cm;It is provided with, in described trocar sheath handle, the passage that trocar sheath communicates;Described trocar sheath handle is provided with recessed Groove;Described groove is coordinated with pushing ram handle;Described biopsy bar one end connects biopsy bar handle, and the other end is provided with specimen and carries Take chamber;Described specimen is extracted chamber and is made up of screw thread, forms thread groove between adjacent thread;Described specimen storage cavity length is 2-3cm;The near-end of described biopsy bar is additionally provided with rule, and its scale range is 2-3cm.
2. spinal vertebral pathological tissues according to claim 1 take biopsy device it is characterised in that during described trocar sheath is Hollow structure.
3. spinal vertebral pathological tissues according to claim 1 take biopsy device it is characterised in that described biopsy bar is real Core structure.
4. spinal vertebral pathological tissues according to claim 1 take biopsy device it is characterised in that described trocar sheath is with outward Connection between sleeve pipe handle is to be connected by way of injection mo(u)lding.
5. spinal vertebral pathological tissues according to claim 1 take biopsy device it is characterised in that described pushing ram, outer Sleeve pipe, biopsy bar are fabricated by by stainless steel material.
6. spinal vertebral pathological tissues according to claim 1 take biopsy device it is characterised in that described pushing ram handss Handle, trocar sheath handle, biopsy bar handle are fabricated by by plastic material.
CN201620627347.3U 2016-06-23 2016-06-23 Backbone centrum lesion tissues gets biopsy ware Active CN205964083U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109646060A (en) * 2019-01-15 2019-04-19 西安交通大学 A kind of minimal invasion tumor of spine aspiration biopsy device
CN110477964A (en) * 2019-08-26 2019-11-22 遵义医学院附属医院 A kind of new spinal centrum tissue biopsy device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109646060A (en) * 2019-01-15 2019-04-19 西安交通大学 A kind of minimal invasion tumor of spine aspiration biopsy device
CN110477964A (en) * 2019-08-26 2019-11-22 遵义医学院附属医院 A kind of new spinal centrum tissue biopsy device

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