CN208160627U - A kind of bone tumour biopsy syste - Google Patents
A kind of bone tumour biopsy syste Download PDFInfo
- Publication number
- CN208160627U CN208160627U CN201720661930.0U CN201720661930U CN208160627U CN 208160627 U CN208160627 U CN 208160627U CN 201720661930 U CN201720661930 U CN 201720661930U CN 208160627 U CN208160627 U CN 208160627U
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- Prior art keywords
- section
- limiting ring
- depth limiting
- tooth socket
- outer tube
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Abstract
The utility model relates to medical instruments, especially a kind of bone tumour biopsy syste, including Kirschner wire, depth limiting ring brill, outer tube and puncture tube, the depth limiting ring drill bushing is located at outside the Kirschner wire, it is tubular structure that the depth limiting ring, which bores, deep section is limited including top and lower part drills through section, the outer wall that the top limits deep section is axially formed an at least toothrow slot along it, each tooth socket has corresponding scale marker, trepan is formed in the lower end surface that the lower part drills through section, the top limits and is arranged annulus outside deep section, the grab of elastic connection and tooth socket activity clamping on the annulus.The utility model has the beneficial effects that, the depth of depth limiting ring brill can be accurately controlled using the deep device of limit of tooth socket, annulus and grab composition on trepan, satisfied sample can either be obtained, and the drill-through damage taken an advanced study into deep vessels nerve of the depth limiting ring avoided, it can also sending out to avoid tumour.
Description
Technical field
The utility model relates to medical instrument, especially a kind of bone tumour biopsy syste.
Background technique
The formulation of bone tumour therapy scheme depends on clarifying a diagnosis for disease, and the diagnosis of bone tumour relies primarily on clinical table
Existing, Radiologic imaging and pathological examination, wherein pathological examination be to diagnose that bone tumour is good pernicious and goldstandard of pathological.
It needed to carry out open biopsy art to obtain Pathologic specimen in the past, although this method can obtain enough sample presence and cut
Mouth is big, the risk of tumor contamination and pathology sex work.Carry out biopsy technique this year and obtained significant development, although the technology
Notch is small but still has the risk of tumor contamination, while the specimen amount that the technology obtains is fewer, is often difficult to clearly examine
It is disconnected.
It is " 102247174 B of CN ", entitled " Combined bone application No. is " 201110240622.8 ", Authorization Notice No.
The Chinese invention patent of tumor micro-wound open biopsy device " discloses a kind of Combined bone tumor micro-wound open biopsy device, cavity ring
Shape drill bit is arranged in outer sleeve, be in hollow circular drill bit wall it is hollow, screw blade is set on hollow circular drill bit inner sidewall,
Screw blade knob is connect by connecting rod with screw blade, one end of screw blade knob connection connecting rod, connecting rod it is another
One end includes upper section, and connecting rod upper section is connect with multiple screw blades respectively, controls the on and off of screw blade, that is, rotates
Screw blade knob makes the straight trip movement of connecting rod up or down, surrounds the screw blade connected thereon and hollow circular drill bit
Junction rotation, screw blade are opened in hollow circular drill bit, and opposite direction rotates screw blade knob, and screw blade is just replied
It to origin-location, that is, is hidden on hollow circular drill bit inner sidewall, screw blade knob is located on hollow circular drill bit, trepan rotation
It changes hands handle to connect with hollow circular drill bit, for trepan rotating handle on hollow circular drill bit lateral wall, the connection of electric drill connector is hollow
Annular bit, inner core top stick are placed in hollow circular drill bit, and Kirschner wire is placed in the stick of inner core top.When using the device,
Since cortex bone and part cancellous bone quality are harder, it is difficult to be taken out out of trepan, and if the inside of tumor locus often exists
Other organs such as important nervus vasculairs, such as pelvis etc., the biopsy device do not limit deep device, penetrate readily through bone tissue damage week
Enclose vitals.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind and are easy to take out sample while having
Depth-limiting mechanism can be arranged according to preoperative CT result and limit deep depth, avoid because penetrating sclerotin injury peripheral organs, can also basis
Preoperative iconography accurate data reaches depth where tumour, improves the bone tumour biopsy syste of biopsy efficiency.
In order to achieve the above object, the utility model provides a kind of bone tumour biopsy syste, including Kirschner wire, depth limiting ring
Brill, outer tube and puncture tube,
The depth limiting ring drill bushing is located at outside the Kirschner wire, and it is tubular structure which, which bores, including top limit deep section and
Lower part drills through section, and the outer wall that the top limits deep section is axially formed an at least toothrow slot along it, and each tooth socket has corresponding quarter
Scale is known, and drills through the lower end surface formation trepan of section in the lower part, the top limits and is arranged annulus outside deep section, and elasticity connects on the annulus
Connect the grab with tooth socket activity clamping；
The outer tube is set in the lower part that the depth limiting ring bores and drills through outside section, and the upper end of the outer tube crosses out handle
Hand, the upper surface of the handle are abutted with the lower surface activity of the annulus, open up notch in the side wall of the outer tube；
The puncture tube is tubular structure, and the outer surface of lower end is tapered.
It is positioned with Kirschner wire, suitable biopsy sites can be chosen by fluoroscopy during operation.
The depth of depth limiting ring brill can be accurately controlled using the deep device of limit of tooth socket, annulus and grab composition on trepan
Degree, can either obtain satisfied sample, and the drill-through pursuit of advanced studies of the depth limiting ring avoided is at the damage of deep vessels nerve, can also be to avoid
Tumour is sent out.
The grab of annulus is fixed the relative position between annulus and depth limiting ring brill after being connected in tooth socket, outer at this time
The upper surface of casing is against the lower surface of annulus, and the relative position between outer tube and annulus, depth limiting ring brill also immobilizes, outside
After the lower surface of casing reaches bone wall, limitation ring drilling depth can be played the role of.
The effect of outer tube further includes other than the effect of above-mentioned limitation ring drilling depth：
1) operation used all operates under the protection of outer sleeve, and easy damaged surrounding soft tissue, not can use nucleus pulposus clamp yet
The sample that multiple directions in channel range are repeatedly obtained by the service aisle that outer tube is formed, improves the accurate of biopsy pathology
Rate.
2) it after taking out depth limiting ring and boring, such as also needs to take multiple directions sample, outer tube can be regarded service aisle, it both can be with
Every surrounding soft tissue, it is also possible to prevent sending out for tumour.The effect of the notch opened up on the side wall of outer tube is：Using nucleus pulposus
Pincers take out sample by notch, shorten the distance that sample could be originally taken out from the lower end of outer tube to upper end.
3) operation used all operates under the protection of outer sleeve, can send out to avoid tumour when biopsy, after biopsy
The Absorbable hemostatic materials such as gelfoam can be inserted by biopsy channel, housing duct occlusion biopsy can also be passed through by bone is cured
Mouthful, reduce tumour spread.
It 4), can be by the service aisle that is formed in outer tube pipe by the absorbable hemostatics material such as gelfoam after completing biopsy
Material is packed to tumour, and bone wax seal also can be used and close biopsy opening, and tumour is avoided to carry out because of the risk biopsy opening sent out caused by biopsy
It sends out.
Preferably, internal diameter >=lower part that the top limits deep section drills through the internal diameter of section.I.e. top limit section inner wall with
Kirschner wire fits, and lower part, which drills through to reserve between the inner wall of section and Kirschner wire, forms space.
Preferably, the depth that the tooth socket is is 3mm.
Preferably, the tooth socket includes inclined upper surface and a horizontal lower surface downward.
Preferably, the outer diameter that the depth limiting ring bores is 10mm, the depth limiting ring bore middle and upper part limit section internal diameter be 5mm,
The internal diameter that lower part drills through section is 8mm；
The outer diameter of the outer tube is 12mm, internal diameter 10.2mm；
It is 80mm that the depth limiting ring, which bores middle and lower part and drills through the length of section, and the length of the outer tube is 80mm.
The set symbol of above-mentioned each size closes physiological structure and operating habit.Wherein the depth limiting ring bores middle and lower part and drills through section
Length and the length of outer tube are 80mm, which is consistent with the thickness of human body major part soft tissue；During the depth limiting ring bores
The internal diameter that lower part drills through section takes 8mm to meet clinical use requirement, once because size is too small, then it is inconvenient to extract sample, and size
The too big stability that will affect bone again.
Preferably, the notch include a horizontal upper surface and a lower surface inclined upward.
Preferably, it is two rows that the depth limiting ring, which bores the number of rows of upper tooth socket,.
Preferably, the Kirschner wire is equipped with scale marker.
The utility model proposes bone tumour biopsy syste can be used for bone tumour biopsy or minimally-invasive treatment, have minimally invasive, nothing
The advantage of tumour diffusion pollution, use when especially suitable for taking sample size larger when bone tumour biopsy.
The utility model has the beneficial effects that can using the limit depth device that tooth socket, annulus and the grab on trepan form
The depth for accurately controlling depth limiting ring brill, can either obtain satisfied sample, and the drill-through pursuit of advanced studies of the depth limiting ring avoided is at deep blood
The damage of pipe nerve, can also sending out to avoid tumour.The grab of annulus bores it to annulus and depth limiting ring after being connected in tooth socket
Between relative position be fixed, the upper surface of outer tube is against the lower surface of annulus at this time, and outer tube and annulus, depth limiting ring bore
Between relative position also immobilize, after the lower surface of outer tube reaches bone wall, limitation ring drilling depth can be played the role of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the structural schematic diagram that depth limiting ring bores in the utility model；
Fig. 4 is the structural schematic diagram of outer tube in the utility model；
Fig. 5 is the structural schematic diagram of puncture tube in the utility model；
Fig. 6 is the utility model section view.
Wherein：
1- Kirschner wire 2- depth limiting ring bores the top 21- and limits deep section
The lower part 22- drills through a section 23- tooth socket 24- scale marker
25- trepan 26- annulus 27- grab
3- outer tube 31- handle 32- notch
4- puncture tube
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1：
A kind of bone tumour biopsy syste, including Kirschner wire 1, depth limiting ring bore 2, outer tube 3 and puncture tube 4,
The depth limiting ring bores 2 and is set in outside the Kirschner wire 1, and it is tubular structure which, which bores 2, including top limits deep section
21 and lower part drill through section 22, the outer wall that the top limits deep section 21 is axially formed an at least toothrow slot 23, each tooth socket 23 along it
With corresponding scale marker 24, trepan 25 is formed in the lower end surface that the lower part drills through section 22, the top limits 21 housing of deep section
If annulus 26, the grab 27 of 23 activity clamping of elastic connection and the tooth socket on the annulus 26；
The lower part that the outer tube 3 is set in the depth limiting ring brill 2 drills through outside section, and the upper end of the outer tube crosses out handle
Hand 31, the upper surface of the handle 31 are abutted with the lower surface activity of the annulus 26, open up notch in the side wall of the outer tube 3
32；
The puncture tube 4 is tubular structure, and the outer surface of lower end is tapered.
The lower part internal diameter > that the top limits deep section 21 drills through the internal diameter of section 22.
That is the inner wall of top limit section 21 fits with Kirschner wire 1, and lower part drills through pre- between the inner wall of section 22 and Kirschner wire 1
It stays to form space.
The depth that the tooth socket 23 is is 3mm.
The tooth socket 23 includes inclined upper surface and a horizontal lower surface downward.
The outer diameter that the depth limiting ring bores 2 is 10mm, and the internal diameter of depth limiting ring brill 2 middle and upper parts limit section is 5mm, lower part is bored
The internal diameter for taking section is 8mm；
The outer diameter of the outer tube 3 is 12mm, internal diameter 10.2mm；
It is 80mm that the depth limiting ring, which bores middle and lower part and drills through the length of section, and the length of the outer tube 3 is 80mm.
The notch 32 include a horizontal upper surface and a lower surface inclined upward.
The number of rows that the depth limiting ring bores tooth socket 23 on 2 is two rows.
The Kirschner wire 1 is equipped with scale marker.
Clinical use example
1) knub position and depth are determined according to preoperative CT, MRI etc..
2) tumour predetermined position (generally tumor center region) is squeezed by Kirschner wire 1 is positioned in fluoroscopy during operation
3) skin about 1cm is cut, puncture tube 4 is put into outer tube 3, is inserted into bone surface along Kirschner wire 1.
4) puncture tube 4 is taken out, depth limiting ring is put into outer sleeve 3 and bores 2, determines that depth limiting ring bores 2 depth according to preoperative plan,
Grab 27 is adjusted behind the position on tooth socket 23, is taken out after depth limiting ring brill 2 is pierced bone tissue, 2 trepan 25 is bored from depth limiting ring
Interior taking-up complete specimen.
5) the more loose 2 acquirement tissue mass of depth limiting ring brill that will lead to of such as tumor tissues are fewer, then need to take out depth limiting ring brill 2,
Loose tumor tissues are taken out through its notch 32 by outer sleeve 3 with nucleus pulposus clamp.
6) all devices in addition to outer sleeve 3 are taken out, the Absorbable hemostatic materials such as gelfoam are inserted by tumor by outer sleeve 3
Chamber, then by bone it is cured by outer sleeve 3 close bone tissue surface biopsy hole.Finally take out outer sleeve 3.
The preferred embodiment created to the utility model above is illustrated, but the utility model is created not
It is limited to the embodiment described, those skilled in the art can be under the premise of without prejudice to the utility model creative spirit
Various equivalent variation or replacement are made, these equivalent modifications or replacement are all contained in model defined by the claim of this application
In enclosing.
Claims (8)
1. a kind of bone tumour biopsy syste, which is characterized in that bore (2), outer tube (3) including Kirschner wire (1), depth limiting ring and puncture
It manages (4),
The depth limiting ring bores (2) and is set in the Kirschner wire (1) outside, and it is tubular structure which, which bores (2), including top limit is deeply
Section (21) and lower part drill through section (22), and the outer wall that the top limits deep section (21) is axially formed an at least toothrow slot (23) along it,
Each tooth socket (23) has corresponding scale marker (24), forms trepan (25) in the lower end surface that the lower part drills through section (22), institute
It states and is arranged annulus (26) outside the deep section (21) of top limit, the card that elastic connection and the tooth socket (23) activity are clamped on the annulus (26)
Hook (27)；
The lower part that the outer tube (3) is set in the depth limiting ring brill (2) drills through outside section, and the upper end of the outer tube crosses out handle
The upper surface of hand (31), the handle (31) is abutted with the lower surface activity of the annulus (26), in the side wall of the outer tube (3)
Open up notch (32)；
The puncture tube (4) is tubular structure, and the outer surface of lower end is tapered.
2. bone tumour biopsy syste according to claim 1, which is characterized in that the top limits the internal diameter of deep section (21)
>=lower part drills through the internal diameter of section (22).
3. bone tumour biopsy syste according to claim 1, which is characterized in that the depth that the tooth socket (23) is is
3mm。
4. bone tumour biopsy syste according to claim 1, which is characterized in that the tooth socket (23) includes one downward
Inclined upper surface and a horizontal lower surface.
5. bone tumour biopsy syste according to claim 1, which is characterized in that the outer diameter that the depth limiting ring bores (2) is
10mm, the depth limiting ring bore that the internal diameter of (2) middle and upper part limit section is 5mm, to drill through the internal diameter of section be 8mm for lower part；
The outer diameter of the outer tube (3) is 12mm, internal diameter 10.2mm；
It is 80mm that the depth limiting ring, which bores middle and lower part and drills through the length of section, and the length of the outer tube (3) is 80mm.
6. bone tumour biopsy syste according to claim 1, which is characterized in that the notch (32) includes one in level
Shape upper surface and a lower surface inclined upward.
7. bone tumour biopsy syste according to claim 1, which is characterized in that the depth limiting ring bores tooth socket on (2)
(23) number of rows is two rows.
8. bone tumour biopsy syste according to claim 1, which is characterized in that the Kirschner wire (1) is equipped with scale
Mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720661930.0U CN208160627U (en) | 2017-06-08 | 2017-06-08 | A kind of bone tumour biopsy syste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720661930.0U CN208160627U (en) | 2017-06-08 | 2017-06-08 | A kind of bone tumour biopsy syste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208160627U true CN208160627U (en) | 2018-11-30 |
Family
ID=64385626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720661930.0U Expired - Fee Related CN208160627U (en) | 2017-06-08 | 2017-06-08 | A kind of bone tumour biopsy syste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208160627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174295A (en) * | 2017-06-08 | 2017-09-19 | 上海长海医院 | A kind of bone tumour biopsy syste |
-
2017
- 2017-06-08 CN CN201720661930.0U patent/CN208160627U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174295A (en) * | 2017-06-08 | 2017-09-19 | 上海长海医院 | A kind of bone tumour biopsy syste |
| CN107174295B (en) * | 2017-06-08 | 2024-02-02 | 上海长海医院 | Bone tumor biopsy system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20210608 |