CN114642461A - Percutaneous bone aspiration biopsy device - Google Patents
Percutaneous bone aspiration biopsy device Download PDFInfo
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- CN114642461A CN114642461A CN202210280152.6A CN202210280152A CN114642461A CN 114642461 A CN114642461 A CN 114642461A CN 202210280152 A CN202210280152 A CN 202210280152A CN 114642461 A CN114642461 A CN 114642461A
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- fixedly connected
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- wall
- needle tube
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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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- Heart & Thoracic Surgery (AREA)
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- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model discloses a percutaneous bone puncture biopsy device, which belongs to the field of medical instruments and comprises a shell, wherein the lower end of the shell is movably connected with a connecting sleeve, a power supply device is arranged in the shell, and a puncture structure is arranged in the connecting sleeve. According to the utility model, the upper push rod is pushed by the upper adjusting tooth when the pressing block is pushed, the upper push rod slides along the inclined surface of the upper adjusting tooth when pushed, the power block drives the puncture needle tube to rotate by the transition rod when the upper push rod slides along the inclined surface of the upper adjusting tooth, the lower push rod drives the lower thrust block to move upwards by the supporting block when the pressing shell is driven by the limiting ring to move upwards, the lower push rod slides along the inclined surface of the lower adjusting tooth when the lower thrust block moves upwards, so that the puncture needle tube continues to rotate, and the puncture needle tube can be continuously driven to rotate by repeatedly pressing the pressing block and pushing the pressing shell, so that the puncture needle tube can easily and stably penetrate into the bone of a human body.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a percutaneous bone puncture biopsy device.
Background
In the process of disease diagnosis and treatment, tissue biopsy can be used for knowing the disease condition development and the examination and treatment effect, the current biopsy specimen acquisition mode of bone tumor or pathological bone tissue generally utilizes a puncture needle to be inserted into the bone of a patient, then sample tissue inside the bone is removed, when the puncture needle is utilized for puncture, a medical worker needs to rotate the puncture needle back and forth by hand so that the puncture needle can enter the bone of a human body, but when the medical worker rotates the puncture needle by hand, the whole puncture needle needs to be rotated, so that the puncture part is easy to deviate so as to bring unnecessary injury to the patient.
The Chinese patent discloses a bone tissue biopsy puncture needle (grant publication No. CN214966393U), and the effect of the utility model is positive and obvious compared with the prior art. The bone tissue biopsy puncture needle is convenient to operate, the blade is rotated to cut the tissue, so that the deep bone tissue can be taken out easily, and the damage degree to the tissue surrounding structure is reduced. Accordingly, the present invention provides a percutaneous bone biopsy device to solve the above-mentioned problems.
Disclosure of Invention
The present invention is directed to a percutaneous bone aspiration biopsy device to solve the above problems of the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a percutaneous bone puncture biopsy device comprises a shell, wherein the lower end of the shell is movably connected with a connecting sleeve, a power supply device is arranged in the shell, a puncture structure is arranged in the connecting sleeve, and the power supply device can provide power for the puncture structure so that the puncture structure can easily penetrate through human tissues;
the power supply structure comprises an upper thrust block, the upper thrust block is movably connected with the shell, the lower end of the upper thrust block is fixedly connected with a plurality of upper adjusting teeth, a pressing block is fixedly connected above the upper thrust block and movably connected with the shell, a power block is arranged below the upper thrust block, the upper end of the power block is fixedly connected with an upper push rod, the upper push rod corresponds to the upper adjusting teeth, and the lower end of the power block is fixedly connected with a lower push rod;
still swing joint has thrust block down in the shell, a plurality of lower regulation teeth of thrust block upper end fixedly connected with down, the push rod corresponds with lower regulation tooth down, the below of thrust block is equipped with the supporting shoe down, the supporting shoe passes through montant and lower thrust block fixed connection, reset spring under the upper end fixedly connected with of supporting shoe, reset spring's upper end and shell fixed connection down, the pot head of shell is equipped with presses the shell, press the upper end fixedly connected with spacing ring of shell, press two connecting rods of fixedly connected with on the outer wall of shell, two sliding window have been seted up on the conch wall of shell, the connecting rod passes sliding window and supporting shoe fixed connection.
As a further scheme of the utility model, a plurality of limiting blocks are fixedly connected to the outer wall of the upper thrust block, a plurality of sliding grooves are formed in the inner wall of the shell, the limiting blocks are positioned in the sliding grooves and are in sliding connection with the shell through the sliding grooves.
As a further scheme of the present invention, a sliding block is fixedly connected to an outer wall of the pressing block, a limiting groove is formed in an inner wall of the housing, the limiting groove corresponds to the sliding block, the sliding block is located in the limiting groove, and an upper return spring is installed in the sliding limiting groove.
As a further scheme of the utility model, the puncture structure comprises a transition rod, the transition rod is movably connected with the power block, and the lower end of the transition rod is in threaded connection with a puncture needle tube.
As a further scheme of the utility model, the outer wall of the puncture needle tube is fixedly connected with a limiting sheet which is positioned below the connecting sleeve.
As a further scheme of the utility model, a sampling needle is slidably connected in the puncture needle tube, the upper end of the sampling needle tube is fixedly connected with a magnetic rod, the upper end of the magnetic rod is fixedly connected with a connecting spring, the upper end of the connecting spring is fixedly connected with a connecting plug, and the connecting plug is in threaded connection with the puncture needle tube.
As a further scheme of the present invention, the outer wall of the sampling needle is provided with a plurality of sampling notches, the interior of the sampling needle is fixedly connected with an anti-flow column, and the surface of the anti-flow column is provided with a plurality of semicircular holes.
As a further scheme of the utility model, the outer wall of the puncture needle tube is provided with a connecting window, the connecting window corresponds to the magnetic bar, the outer wall of the connecting sleeve is provided with a rectangular window, the rectangular window corresponds to the connecting window, and the outer wall of the connecting sleeve is connected with a magnetic ring in a sliding manner.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the upper push rod is pushed by the upper adjusting tooth when the pressing block is pushed, the upper push rod slides along the inclined surface of the upper adjusting tooth when pushed, the power block drives the puncture needle tube to rotate by the transition rod when the upper push rod slides along the inclined surface of the upper adjusting tooth, the lower push rod drives the lower thrust block to move upwards by the supporting block when the pressing shell is driven by the limiting ring to move upwards, the lower push rod slides along the inclined surface of the lower adjusting tooth when the lower thrust block moves upwards, so that the puncture needle tube continues to rotate, and the puncture needle tube can be continuously driven to rotate by repeatedly pressing the pressing block and pushing the pressing shell, so that the puncture needle tube can easily and stably penetrate into the bone of a human body.
2. When the sampling needle is used, after the sampling needle is inserted into a bone, the internal tissue of the bone enters the sampling notch, the tissue enters the sampling notch and is filled into the semicircular hole on the anti-flow column, and the tissue flows into the semicircular hole to increase the contact area between the tissue and the sampling needle, so that the tissue is more stable in the sampling needle, and the tissue is prevented from being separated from the sampling needle when the sampling needle is retracted.
Drawings
Fig. 1 is a schematic structural diagram of a percutaneous bone aspiration biopsy device.
FIG. 2 is an exploded view of a percutaneous bone aspiration biopsy device.
FIG. 3 is a cross-sectional view of a percutaneous bone aspiration biopsy device.
FIG. 4 is a disassembled view of the internal structure of the housing of the percutaneous bone aspiration biopsy device.
FIG. 5 is an exploded view of a sampling tube in a percutaneous bone biopsy device.
FIG. 6 is an enlarged view of the structure of FIG. 5 at A of a percutaneous bone biopsy device.
FIG. 7 is an enlarged view of FIG. 5B of a percutaneous bone biopsy device.
FIG. 8 is a schematic view of the pressing block and the housing of the percutaneous bone aspiration biopsy device.
FIG. 9 is a schematic view of the connection of a power block and a transition rod in a percutaneous bone aspiration biopsy device.
In the figure: 1. a housing; 2. connecting a sleeve; 3. a connecting member; 100. an upper thrust block; 101. an upper adjusting tooth; 102. a limiting block; 103. a power block; 104. a push rod is arranged; 105. a lower push rod; 106. an upper return spring; 107. a pressing block; 108. a lower thrust block; 109. a lower adjusting tooth; 110. a connecting rod; 111. sliding the window; 112. a holding pad; 113. pressing the shell; 114. a limiting ring; 115. a lower return spring; 116. a support block; 117. a chute; 170. a slider; 171. a limiting groove; 200. a transition rod; 201. puncturing a needle tube; 202. a tooth head; 203. connecting the window; 204. a sampling needle; 205. a magnetic bar; 206. a connecting spring; 207. a connecting plug; 208. a sampling slot; 209. a flow prevention column; 210. a limiting sheet; 211. a rectangular window; 212. a magnetic ring.
Detailed Description
The first embodiment is as follows:
referring to fig. 1, 2, 3, 4 and 8, in an embodiment of the present invention, a percutaneous bone aspiration biopsy device includes a housing 1, a connecting sleeve 2 is movably connected to a lower end of the housing 1, a connecting member 3 is connected to a lower end of the housing 1 through a thread, the connecting sleeve 2 is connected to the connecting member 3 through a thread, a power supply device is installed inside the housing 1, a puncture structure is installed in the connecting sleeve 2, and the power supply device can provide power for the puncture structure so that the puncture structure can easily penetrate through a tissue of a human body;
the power supply structure comprises an upper thrust block 100, the upper thrust block 100 is movably connected with a shell 1, the lower end of the upper thrust block 100 is fixedly connected with a plurality of upper adjusting teeth 101, each upper adjusting tooth 101 is provided with an inclined surface, the outer wall of the upper thrust block 100 is fixedly connected with a plurality of limiting blocks 102, the inner wall of the shell 1 is provided with a plurality of sliding grooves 117, each sliding groove 117 corresponds to one limiting block 102, each limiting block 102 is positioned in the corresponding sliding groove 117, each limiting block 102 is slidably connected with the shell 1 through the corresponding sliding groove 117, a pressing block 107 is fixedly connected above the upper thrust block 100, the pressing block 107 is fixedly connected with the upper thrust block 100 through a vertical rod, the pressing block 107 is movably connected with the shell 1, the outer wall of the pressing block 107 is fixedly connected with a sliding block 170, the inner wall of the shell 1 is provided with a limiting groove 171, the limiting groove 171 corresponds to the sliding block 170, the sliding block 170 is positioned in the limiting groove 171, and an upper return spring 106 is arranged in the sliding limiting groove 171, one end of an upper reset spring 106 is fixedly connected with the shell 1, the other end of the upper reset spring is fixedly connected with the sliding block 170, a power block 103 is arranged below the upper thrust block 100, an upper push rod 104 is fixedly connected to the upper end of the power block 103, the upper push rod 104 corresponds to the upper adjusting tooth 101, a lower push rod 105 is fixedly connected to the lower end of the power block 103, an inclined surface is arranged at the upper end of the upper push rod 104, the inclined surface at the upper end of the upper push rod 104 is matched with the inclined surface on the upper adjusting tooth 101, the power block 103 is cylindrical, the outer diameter of the power block 103 is the same as the inner diameter of the shell 1, namely, the power block 103 can freely move in the shell 1 and can rotate or slide;
a lower thrust block 108 is movably connected in the shell 1, the lower thrust block 108 is positioned below the power block 103, the outer wall of the lower thrust block 108 is also provided with a limiting block 102, the lower thrust block 108 is connected with a chute 117 through the limiting block 102, the upper end of the lower thrust block 108 is fixedly connected with a plurality of lower adjusting teeth 109, a lower push rod 105 corresponds to the lower adjusting teeth 109, the lower adjusting teeth 109 are provided with inclined planes, the lower end of the lower push rod 105 is provided with an inclined plane, the inclined plane on the lower adjusting teeth 109 is matched with the inclined plane on the lower push rod 105, a supporting block 116 is arranged below the lower thrust block 108, the supporting block 116 is connected with the shell 1 in a sliding way, the supporting block 116 is fixedly connected with the lower thrust block 108 through a vertical rod, the upper end of the supporting block 116 is fixedly connected with a lower return spring 115, the upper end of the lower return spring 115 is fixedly connected with the shell 1, a pressing shell 113 is sleeved at the upper end of the shell 1, the pressing shell 113 is connected with the shell 1 in a sliding way, and the block 107 is positioned in the middle of the pressing shell 113, according to the pressure piece 107 with press shell 113 sliding connection, set up the breach that corresponds with slider 170 on pressing shell 113's the inner wall, press shell 113's upper end fixedly connected with spacing ring 114, press two connecting rods 110 of fixedly connected with on shell 113's the outer wall, two sliding window 111 have been seted up on shell 1's the conch wall, connecting rod 110 passes sliding window 111 and supporting shoe 116 fixed connection, fixedly connected with holds pad 112 on shell 1's the outer wall, connecting rod 110 runs through and holds pad 112, and connecting rod 110 and hold pad 112 sliding connection.
Example two:
referring to fig. 3, 5, 6, 7, and 9, in combination with the basis of embodiment 1, the puncturing structure includes a transition rod 200, the transition rod 200 is movably connected to a power block 103, a circular hole is formed in the middle of the power block 103, a protruding block is fixedly connected to the circular hole, the transition rod 200 is inserted into the circular hole, a groove is formed in a rod wall of the transition rod 200, the protruding block is located in the groove, the transition rod 200 is slidably connected to the power block 103 through the matching of the groove and the protruding block, a rubber sheet is adhered to a surface of the protruding block, friction between the power block 103 and the transition rod 200 can be increased through the rubber sheet, a puncturing needle tube 201 is threadedly connected to a lower end of the transition rod 200, a limiting sheet 210 is fixedly connected to an outer wall of the puncturing needle tube 201, the limiting sheet 210 is located below a connecting sleeve 2, a plurality of teeth 202 are disposed at a lower end of the puncturing needle tube 201, a sampling needle 204 is slidably connected to the puncturing needle tube 201, a plurality of sampling notches 208 are formed in an outer wall of the sampling needle 204, the inside fixedly connected with of sampling needle 204 prevents that flow column 209, a plurality of semicircular holes have been seted up on the surface of preventing flow column 209, the upper end fixedly connected with bar magnet 205 of sampling needle pipe 204, the upper end fixedly connected with coupling spring 206 of bar magnet 205, the upper end fixedly connected with connecting plug 207 of coupling spring 206, connecting plug 207 and puncture needle pipe 201 threaded connection, and "one" style of calligraphy notch has been seted up to the upper end of connecting plug 207, connection window 203 has been seted up on the outer wall of puncture needle pipe 201, connection window 203 corresponds with bar magnet 205, set up rectangular window 211 on the outer wall of adapter sleeve 2, rectangular window 211 corresponds with connection window 203, sliding connection has magnetic ring 212 on the outer wall of adapter sleeve 2.
The working principle of the utility model is as follows:
when the puncture needle tube 201 is inserted into the skin of a patient, the pressing block 107 is pushed by a thumb after the puncture needle tube 201 contacts bone tissues, the pressing block 107 drives the upper thrust block 100 to move downwards when pushed, the upper thrust block 100 pushes the upper push rod 104 through the upper adjusting tooth 101 when moving downwards, the upper push rod 104 drives the power block 103 to move downwards when pushed, when the power block 103 cannot move downwards continuously (namely, the convex block on the power block 103 moves to the lowest end of the groove on the transition rod 200), the upper push rod 104 can slide along the inclined plane of the upper adjusting tooth 101, and when the upper push rod 104 slides along the inclined plane of the upper adjusting tooth 101, the power block 103 drives the puncture needle tube 201 to rotate through the transition rod 200;
when the pressing block 107 cannot be pressed downwards, the thumb is loosened, the pressing block 107 can be reset after the thumb is loosened, then the thumb is directly used for pushing the limiting ring 114, the pressing shell 113 is driven by the limiting ring 114 to move upwards, the pressing shell 113 can be driven by the supporting block 116 to move upwards when moving upwards, the lower thrust block 108 can be driven by the lower push rod 105 to push the power block 103 to move upwards when moving upwards, when the power block 103 cannot move continuously, the lower push rod 105 can slide along the inclined plane of the lower adjusting tooth 109, so that the puncture needle tube 201 can continue to rotate, and the puncture needle tube 201 can be continuously driven to rotate by repeatedly pressing the pressing block 107 and pushing the pressing shell 113, so that the puncture needle tube 201 can easily penetrate into the bone of a human body;
when the puncture needle tube 201 enters a bone, the magnetic ring 212 is directly pushed, the magnetic rod 205 is driven to move in the puncture needle tube 201 through the magnetic ring 212, the magnetic rod 205 can drive the sampling needle 204 to be inserted into the bone when moving in the puncture needle tube 201, when the sampling needle 204 is inserted into the bone, the internal tissue of the bone can enter the sampling notch 208, the tissue can be filled into the semicircular hole on the anti-flow column 209 after entering the sampling notch 208, the tissue flows into the semicircular hole, the contact area between the tissue and the sampling needle 204 can be increased, the tissue is more stable in the sampling needle 204, the tissue is prevented from being separated from the sampling needle 204 when the sampling needle 204 is retracted, when the sampling needle 204 obtains the internal tissue, the sampling needle 204 is driven to be retracted into the puncture needle tube 201 by the magnetic ring 212, and then the puncture needle tube 201 is directly pulled out;
after the puncture needle tube 201 is pulled out, the connecting sleeve 2 is separated from the connecting piece 3, then the puncture needle tube 201 is pulled out, the transition rod 200, the connecting plug 207 and the magnetic rod 205 are sequentially taken down, the sampling needle 204 can be taken out after the magnetic rod 205 is taken out, and finally the internal tissue of the bone is placed in a designated container.
Claims (8)
1. A percutaneous bone puncture biopsy device comprises a shell (1), and is characterized in that the lower end of the shell (1) is movably connected with a connecting sleeve (2), a power supply device is installed inside the shell (1), a puncture structure is installed in the connecting sleeve (2), and the power supply device can provide power for the puncture structure so that the puncture structure can easily penetrate through human tissues;
the power supply structure comprises an upper thrust block (100), the upper thrust block (100) is movably connected with a shell (1), the lower end of the upper thrust block (100) is fixedly connected with a plurality of upper adjusting teeth (101), a pressing block (107) is fixedly connected above the upper thrust block (100), the pressing block (107) is movably connected with the shell (1), a power block (103) is arranged below the upper thrust block (100), the upper end of the power block (103) is fixedly connected with an upper push rod (104), the upper push rod (104) corresponds to the upper adjusting teeth (101), and the lower end of the power block (103) is fixedly connected with a lower push rod (105);
a lower thrust block (108) is movably connected in the shell (1), a plurality of lower adjusting teeth (109) are fixedly connected at the upper end of the lower thrust block (108), the lower push rod (105) corresponds to the lower adjusting teeth (109), a supporting block (116) is arranged below the lower thrust block (108), the supporting block (116) is fixedly connected with the lower thrust block (108) through a vertical rod, the upper end of the supporting block (116) is fixedly connected with a lower return spring (115), the upper end of the lower reset spring (115) is fixedly connected with the shell (1), the upper end of the shell (1) is sleeved with a pressing shell (113), the upper end of the pressing shell (113) is fixedly connected with a limiting ring (114), the outer wall of the pressing shell (113) is fixedly connected with two connecting rods (110), two sliding windows (111) are formed in the wall of the shell (1), and the connecting rod (110) penetrates through the sliding windows (111) to be fixedly connected with the supporting block (116).
2. The percutaneous bone aspiration biopsy device according to claim 1, wherein a plurality of limiting blocks (102) are fixedly connected to an outer wall of the upper thrust block (100), a plurality of sliding grooves (117) are formed in an inner wall of the housing (1), the limiting blocks (102) are located in the sliding grooves (117), and the limiting blocks (102) are slidably connected with the housing (1) through the sliding grooves (117).
3. The percutaneous bone aspiration biopsy device according to claim 1, wherein a sliding block (170) is fixedly connected to an outer wall of the pressing block (107), a limiting groove (171) is formed in an inner wall of the housing (1), the limiting groove (171) corresponds to the sliding block (170), the sliding block (170) is located in the limiting groove (171), and an upper return spring (106) is installed in the sliding limiting groove (171).
4. The percutaneous bone aspiration biopsy device of claim 1, wherein the aspiration structure comprises a transition rod (200), the transition rod (200) is movably connected with the power block (103), and a puncture needle tube (201) is connected with the lower end of the transition rod (200) in a threaded manner.
5. The percutaneous bone aspiration biopsy device of claim 4, wherein a limiting plate (210) is fixedly connected to the outer wall of the aspiration needle tube (201), and the limiting plate (210) is located below the connecting sleeve (2).
6. The percutaneous bone aspiration biopsy device according to claim 4, wherein a sampling needle (204) is slidably connected in the aspiration needle tube (201), a magnetic rod (205) is fixedly connected to the upper end of the sampling needle tube (204), a connecting spring (206) is fixedly connected to the upper end of the magnetic rod (205), a connecting plug (207) is fixedly connected to the upper end of the connecting spring (206), and the connecting plug (207) is in threaded connection with the aspiration needle tube (201).
7. The percutaneous bone aspiration biopsy device of claim 6, wherein the sampling needle (204) has a plurality of sampling notches (208) formed on an outer wall thereof, the sampling needle (204) has a flow prevention column (209) fixedly connected to an inner portion thereof, and the flow prevention column (209) has a plurality of semi-circular holes formed on a surface thereof.
8. The percutaneous bone aspiration biopsy device of claim 6, wherein a connection window (203) is formed in an outer wall of the aspiration needle tube (201), the connection window (203) corresponds to the magnetic rod (205), a rectangular window (211) is formed in an outer wall of the connection sleeve (2), the rectangular window (211) corresponds to the connection window (203), and a magnetic ring (212) is slidably connected to the outer wall of the connection sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210280152.6A CN114642461A (en) | 2022-03-21 | 2022-03-21 | Percutaneous bone aspiration biopsy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210280152.6A CN114642461A (en) | 2022-03-21 | 2022-03-21 | Percutaneous bone aspiration biopsy device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114642461A true CN114642461A (en) | 2022-06-21 |
Family
ID=81994703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210280152.6A Withdrawn CN114642461A (en) | 2022-03-21 | 2022-03-21 | Percutaneous bone aspiration biopsy device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114642461A (en) |
-
2022
- 2022-03-21 CN CN202210280152.6A patent/CN114642461A/en not_active Withdrawn
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Application publication date: 20220621 |
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| WW01 | Invention patent application withdrawn after publication |