CN110403645B - Device for preventing tumor from spreading after bone tumor biopsy - Google Patents
Device for preventing tumor from spreading after bone tumor biopsy Download PDFInfo
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- CN110403645B CN110403645B CN201910807474.XA CN201910807474A CN110403645B CN 110403645 B CN110403645 B CN 110403645B CN 201910807474 A CN201910807474 A CN 201910807474A CN 110403645 B CN110403645 B CN 110403645B
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- tube
- rod
- tumor
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- bone tumor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/025—Pointed or sharp biopsy instruments for taking bone, bone marrow or cartilage samples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
Abstract
The invention discloses a device for preventing tumor diffusion after bone tumor biopsy, which comprises an operating tube, a connecting tube, a blocking rod and a puncture tube, wherein the puncture tube is in threaded connection with the lower surface of the operating tube, the connecting tube is arranged between the blocking tube and the operating tube, the puncture tube is used for puncturing tumor tissues, and a sampling needle is inserted from the upper end of the blocking rod for sampling during biopsy.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a device for preventing tumor diffusion after bone tumor biopsy.
Background
Bone tumors are tumors occurring in bones or their accessory tissues, which not only cause motor dysfunction but also cause malignant metastasis even threaten life in serious cases, the pathogenesis of the bone tumors is complex, at present, no definite etiology exists, a tissue sample is obtained mainly through biopsy for definite diagnosis, the biopsy is mainly obtained through puncture, a puncture channel is left after puncture, and if the treatment is not carried out in time, the bone tumors can expand along the puncture channel, so that tumor spread can be caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a device for preventing tumor from spreading after bone tumor biopsy, which solves the problem that the tumor is easy to spread after tissue biopsy.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a device for preventing tumor spread after bone tumor biopsy, comprising:
the internal thread is arranged inside the lower end of the operating pipe;
the connecting pipe is arranged inside the operating pipe and comprises a straight pipe body and an inner inclusion body, the inner inclusion body is connected to the lower surface of the straight pipe body, and a concave cavity is formed inside the straight pipe body;
the outer side of the upper end of the puncture tube is provided with an external thread, and the puncture tube is connected with the operating tube through the thread;
the plugging rod is arranged inside the connecting pipe, and a sealing cover is arranged on the plugging rod.
Further, the operation tube comprises an outer tube part and an inner extension part, the inner extension part is connected to the lower surface of the outer tube part and used for extending into a bone tumor, internal threads are arranged inside the lower end of the inner extension part, and a medicine layer is arranged on the lower surface of the outer tube part.
Furthermore, the puncture tube comprises an upper tube part and a plurality of tube bodies, wherein the plurality of tube bodies are respectively connected below the upper tube part, external threads are arranged on the periphery of the upper tube part, and the upper tube part is connected with internal threads of the inner extension part through the external threads.
Furthermore, a plurality of extension heads and a plurality of leakage openings are formed in the pipe body, and the leakage openings are located below the extension heads.
Further, the tail part of the tube body is provided with a puncture head, and the lower end of the puncture head is provided with a sharp corner.
Furthermore, the blocking rod comprises an upper rod body, a lower rod body and a tail rod which are sequentially connected from top to bottom, the upper rod body is located inside the straight pipe body, the upper end of the lower rod body is located inside the inner blocking body, and the tail rod is located inside the pipe body.
Furthermore, an outer convex part is arranged on the outer side of the lower end of the upper rod body, the outer convex part is contained in the concave cavity, and a plurality of grooves are formed in the upper rod body.
Furthermore, a plurality of transition ports are formed in the lower rod body, and the transition ports are communicated with the leakage ports.
Furthermore, a sealing element is arranged between the outer pipe part and the straight pipe body, and a rubber sleeve is arranged inside the sealing cover.
Furthermore, in order to make the lower extreme outside of the body of rod and outer convex part be connected reliably, be equipped with the stay between the lower extreme outside of the body of rod and the inner wall of outer convex part, the lower extreme of the body of rod has the toper section, it is equipped with a plurality of stay to inlay on the inner wall of outer convex part, the stay is including inlaying arm, long arm, semicircle arch and forearm of establishing, it inlays to establish the arm and establishes on the inner wall of outer convex part to inlay, the upper end of long arm is connected inlay and establishes on the arm, the semicircle arch is connected the lower extreme of long arm, the protruding block of semicircle is in the annular recess of toper section, the forearm is connected the bellied lower extreme of semicircle.
(III) advantageous effects
The invention has the beneficial effects that:
1. the invention is provided with the puncture tube which is used for puncturing the tissue to facilitate sampling, and the tail part of the puncture tube is provided with a sharp corner to facilitate the puncture tube to enter the bone tumor tissue;
2. the bone tumor tissue blocking device is provided with the blocking rod, and the upper end of the blocking rod is sealed through the sealing cover, so that the bone tumor tissue can be prevented from diffusing from the blocking rod;
3. the lower surface of the outer tube part of the operation tube is provided with a medicine layer, and the medicine layer is an anti-cancer medicine, so that the bone tumor can be further prevented from diffusing, and the diffusion prevention effect is better.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of a connection pipe of the present invention.
Fig. 3 is a cross-sectional view of the puncture tube of the present invention.
Fig. 4 is a cross-sectional view of a plugging rod of the present invention.
Fig. 5 is a partial structural view at H of fig. 4 according to the present invention.
Fig. 6 is a partial structural view at K of fig. 5 according to the present invention.
In the drawings:
the tube 10 is operated in such a way that,
the outer tube part (11) is,
the drug layer 111 is disposed on the outer surface of the drug layer,
the inner extension 12 is provided with a recess,
the connection pipe 20 is connected to the outside of the body,
the length of the straight tube body 21 is,
the cavity 211 is formed in a shape of a circular ring,
the inner body 22 is provided with a plurality of internal holding bodies,
the blocking rod 30 is provided with a blocking rod,
the upper rod body 31 is provided with a plurality of rods,
the outer convex portion 311 is formed in a convex shape,
the inside of the escape groove 3111 is provided with,
the grooves 312 are formed in the outer surface of the body,
the tapered section 313 is provided with a tapered section,
the shape of the annular recess 3131,
the lower rod body 32 is provided with a lower rod body,
the transition port 321 is provided at the side of the gate,
the tail-rod 33 is provided with a tail rod,
the puncture tube 40 is inserted into the body,
the upper pipe portion 41 is provided with a plurality of,
the length of the tube body 42 is,
the extension head 421 is provided with a head extension,
the leakage orifice 422 is arranged on the inner wall of the water tank,
the barbed head 423 is provided with a bayonet head 423,
the angle of the apex angle 4231 is,
the seal (50) is provided in the form of a seal,
the sealing cover (60) is provided with a sealing cover,
the rubber sleeve (61) is provided with a rubber sleeve,
the locking tab 70 is provided on the outer surface of the housing,
the arm (71) is embedded in the groove,
the length of the long arm 72 is such that,
the semicircular protrusions 73 are formed on the inner surface of the body,
a short arm 74.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention.
Referring to fig. 1 to 6, a device for preventing tumor spreading after bone tumor biopsy as shown in fig. 1 and 2 comprises an operation tube 10, a connection tube 20, an occlusion rod 30 and a puncture tube 40, the interior of the lower end of the operation tube 10 is provided with an internal thread, the connection tube 20 is disposed inside the operation tube 10, the connecting tube 20 comprises a straight tube body 21 and an inner body 22, the inner body 22 is connected to the lower surface of the straight tube body 21, the inner part of the straight tube body 21 is provided with a concave cavity 211, the outer side of the upper end of the puncture tube 40 is provided with an external thread, the puncture tube 40 and the operation tube 10 are connected by screw threads, the blocking rod 30 is disposed inside the connection tube 20, the sealing cover 60 is arranged on the blocking rod 30, and the sealing cover 60 is used for sealing the top of the blocking rod 30 and preventing bone tumors from diffusing outwards from the upper end of the blocking rod 30.
The operating tube 10 includes outer tube portion 11 and interior extension 12, interior extension 12 is connected below outer tube portion 11, interior extension 12 is used for stretching into in the bone tumour, the inside internal thread that is equipped with of lower extreme of interior extension 12, the lower surface of outer tube portion 11 is equipped with medicine layer 111, be anti-cancer drug in the medicine layer 111, can prevent that the tumour from the outside of interior extension 12 from diffusing.
As shown in fig. 3, the puncture tube 40 includes an upper tube portion 41 and a plurality of tube bodies 42, the plurality of tube bodies 42 are respectively connected to the lower surface of the upper tube portion 41, the number of the tube bodies 42 is four, an external thread is provided on the outer circumference of the upper tube portion 41, the upper tube portion 41 is connected to the internal thread of the inner extension portion 12 through the external thread, the upper ends of the four tube bodies 42 are connected to the upper tube portion 41, and the lower ends of the four tube bodies 42 are split, i.e., separated from each other, so that the penetrating power can be increased, and the sampling is more convenient.
Preferably, a plurality of extension head 421 and a plurality of leak 422 have been seted up on body 42, leak 422 is located extend the below of head 421, extend head 421 help body 42 stretch into the tumour tissue.
Preferably, the rear portion of the tube body 42 has a puncture tip 423, and the puncture tip 423 facilitates the penetration of the puncture tube 40 into the tumor tissue.
As shown in fig. 4, the blocking rod 30 includes an upper rod 31, a lower rod 32 and a tail rod 33 sequentially connected from top to bottom, the upper rod 31 is located inside the straight tube 21, the upper end of the lower rod 32 is located inside the inner body 22, the tail rod 33 is located inside the tube 42, and the blocking rod 30 is used for blocking the upper end of the puncture tube 40, so as to further prevent tumor from spreading.
Preferably, the outer side of the lower end of the upper rod 31 has an outer protrusion 311, the outer protrusion 311 is fastened to the outer circumference of the upper rod 31, and the outer protrusion 311 is made of an elastically deformable material, so that the tightness of the connection between the blocking rod 30 and the connection pipe 20 can be improved.
As shown in fig. 5 and 6, in order to make the lower end outside of the upper rod body 31 be reliably connected with the outer convex portion 311, a locking piece 70 is arranged between the lower end outside of the upper rod body 31 and the inner wall of the outer convex portion 311, the lower end of the upper rod body 31 has a tapered section 313, a plurality of locking pieces 70 are embedded on the inner wall of the outer convex portion 311, the locking piece 70 comprises an embedded arm 71, a long arm 72, a semicircular projection 73 and a short arm 74, the embedded arm 71 is embedded on the inner wall of the outer convex portion 311, the upper end of the long arm 72 is connected on the embedded arm 71, the semicircular projection 73 is connected at the lower end of the long arm 72, the semicircular projection 73 is clamped in the annular notch 3131 of the tapered section 313, the short arm 74 is connected at the lower end of the semicircular projection 73, an annular avoiding groove 3111 is formed on the inner wall of the outer convex portion 311, and the locking piece 70 is made of spring steel.
The convex part 311 is held in the cavity 211, the convex part 311 with cavity 211 close joint can improve go up the body of rod 31 with the connectivity between the straight tube body 21 can further prevent that the tumour from following connecting pipe 20 with spread between the shutoff pole 30, a plurality of recess 312 has still been seted up to the inside of going up the body of rod 31, and when carrying out the biopsy, the sampling needle is followed the inside of shutoff pole 30 is stretched into and is taken a sample, recess 312 can increase the smooth and easy degree that the sampling needle was taken a sample, prevent with shutoff pole 30 is connected closely and is makeed the sample difficult.
Preferably, the lower rod body 32 is provided with a plurality of transition ports 321, and the transition ports 321 are communicated with the leakage ports 422.
Preferably, a sealing element 50 is arranged between the outer tube part 11 and the straight tube part 21, the sealing element 50 can improve the sealing function between the operating tube 10 and the connecting tube 20, a rubber sleeve 61 is arranged inside the sealing cover 60, after sampling is finished, an anticancer drug is injected into the sealing rod 30 from the sealing cover 60 through the rubber sleeve 61, part of the drug flows out through the transition port 321 in the downward flow process, part of the drug flows out of the sealing rod 30 to seal the tumor outside the sealing rod 30, and the other part of the drug flows out of the leakage port 422 along the transition port 321 to seal the contact part of the outer side of the puncture tube 40 and the tumor tissue, so that the sealing can be carried out in all directions, and the tumor diffusion is completely prevented.
It should be noted that the described embodiments of the invention are only preferred ways of implementing the invention, and that all obvious modifications, which are within the scope of the invention, are all included in the present general inventive concept.
Claims (7)
1. A device for preventing tumor spread after bone tumor biopsy, comprising:
the internal thread is arranged inside the lower end of the operating pipe (10);
the connecting pipe (20) is arranged inside the operating pipe (10), the connecting pipe (20) comprises a straight pipe body (21) and an inner inclusion body (22), the inner inclusion body (22) is connected to the lower surface of the straight pipe body (21), and a concave cavity (211) is formed inside the straight pipe body (21);
the outer side of the upper end of the puncture tube (40) is provided with an external thread, and the puncture tube (40) is connected with the operating tube (10) through a thread;
the plugging rod (30), the plugging rod (30) is arranged inside the connecting pipe (20), and a sealing cover (60) is arranged on the plugging rod (30);
specifically, puncture pipe (40) include upper hose portion (41) and a plurality of body (42), and a plurality of body (42) are connected respectively below upper hose portion (41), be equipped with the external screw thread on the periphery of upper hose portion (41), upper hose portion (41) through the external screw thread with the internal thread of the interior portion (12) that stretches of control tube (10) is connected, a plurality of extension head (421) and a plurality of leak (422) have been seted up on body (42), leak (422) are located below extension head (421), the afterbody of body (42) has thorn (423), the lower extreme of thorn (423) has closed angle (4231).
2. The device for preventing tumor propagation after bone tumor biopsy according to claim 1, wherein the operating tube (10) comprises an outer tube portion (11) and an inner extension portion (12), the inner extension portion (12) is connected below the outer tube portion (11), the inner extension portion (12) is used for extending into the bone tumor, an internal thread is arranged inside the lower end of the inner extension portion (12), and a drug layer (111) is arranged on the lower surface of the outer tube portion (11).
3. The device for preventing the tumor propagation after the bone tumor biopsy according to claim 1, wherein the blocking rod (30) comprises an upper rod body (31), a lower rod body (32) and a tail rod (33) which are connected in sequence from top to bottom, the upper rod body (31) is located inside the straight tube body (21), the upper end of the lower rod body (32) is located inside the inner bracket body (22), and the tail rod (33) is located inside the tube body (42).
4. The device for preventing tumor spreading after bone tumor biopsy according to claim 3, wherein the upper rod body (31) has an outer protrusion (311) on the outer side of the lower end, the outer protrusion (311) is received in the concave cavity (211), and a plurality of grooves (312) are further formed in the upper rod body (31).
5. The device for preventing tumor spreading after bone tumor biopsy according to claim 4, wherein the lower shaft body (32) is provided with a plurality of transition ports (321), and the transition ports (321) are communicated with the leakage ports (422).
6. The device for preventing the spread of tumors after bone tumor biopsy according to claim 2, wherein a sealing member (50) is provided between the outer tube part (11) and the straight tube body (21), and a rubber sleeve (61) is provided inside the sealing cover (60).
7. The device for preventing tumor spreading after bone tumor biopsy according to claim 4, wherein the lower end of the upper rod body (31) is provided with a tapered section (313), a plurality of locking pieces (70) are embedded on the inner wall of the outer convex part (311), each locking piece (70) comprises an embedding arm (71), a long arm (72), a semicircular protrusion (73) and a short arm (74), the embedding arm (71) is embedded on the inner wall of the outer convex part (311), the upper end of the long arm (72) is connected to the embedding arm (71), the semicircular protrusion (73) is connected to the lower end of the long arm (72), the semicircular protrusion (73) is clamped in the annular notch (3131) of the tapered section (313), and the short arm (74) is connected to the lower end of the semicircular protrusion (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910807474.XA CN110403645B (en) | 2019-08-29 | 2019-08-29 | Device for preventing tumor from spreading after bone tumor biopsy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910807474.XA CN110403645B (en) | 2019-08-29 | 2019-08-29 | Device for preventing tumor from spreading after bone tumor biopsy |
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| CN110403645A CN110403645A (en) | 2019-11-05 |
| CN110403645B true CN110403645B (en) | 2022-02-22 |
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| US6306132B1 (en) * | 1999-06-17 | 2001-10-23 | Vivant Medical | Modular biopsy and microwave ablation needle delivery apparatus adapted to in situ assembly and method of use |
| CN101243992A (en) * | 2008-03-17 | 2008-08-20 | 程雷 | Device for preventing tumour diffusion after bone tumor biopsy |
| CN104688394A (en) * | 2015-03-11 | 2015-06-10 | 毕文志 | Device for preventing tumor progression after bone tumor biopsy |
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| CN109330637A (en) * | 2018-11-16 | 2019-02-15 | 马益民 | One kind is for preventing tumour disperser after bone tumour biopsy |
| CN208511083U (en) * | 2018-01-25 | 2019-02-19 | 李安心 | A kind of tumor puncture sampler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9168063B2 (en) * | 2010-03-07 | 2015-10-27 | Faisal Mirza | Void containment apparatus and method of use for creating a sealed environment for product delivery |
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2019
- 2019-08-29 CN CN201910807474.XA patent/CN110403645B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6306132B1 (en) * | 1999-06-17 | 2001-10-23 | Vivant Medical | Modular biopsy and microwave ablation needle delivery apparatus adapted to in situ assembly and method of use |
| CN101243992A (en) * | 2008-03-17 | 2008-08-20 | 程雷 | Device for preventing tumour diffusion after bone tumor biopsy |
| CN104688394A (en) * | 2015-03-11 | 2015-06-10 | 毕文志 | Device for preventing tumor progression after bone tumor biopsy |
| CN205515060U (en) * | 2016-01-16 | 2016-08-31 | 董浩 | A tumour diffusion -preventing device for after bone tumour biopsy |
| CN208511083U (en) * | 2018-01-25 | 2019-02-19 | 李安心 | A kind of tumor puncture sampler |
| CN109171824A (en) * | 2018-07-16 | 2019-01-11 | 郑州大学第附属医院 | A kind of liver biopsy puncture needle and its application method |
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| CN110403645A (en) | 2019-11-05 |
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Inventor after: Luo Wei Inventor after: Liu Qing Inventor after: Wu Ziyi Inventor after: Yuan Yuhao Inventor after: Li Yucheng Inventor after: He Hongbo Inventor before: Luo Wei Inventor before: He Hongbo Inventor before: Liu Qing Inventor before: Li Yucheng Inventor before: Yuan Yuhao Inventor before: Wu Ziyi |
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