CN220988876U - Puncture positioning device - Google Patents
Puncture positioning device Download PDFInfo
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- CN220988876U CN220988876U CN202322100240.6U CN202322100240U CN220988876U CN 220988876 U CN220988876 U CN 220988876U CN 202322100240 U CN202322100240 U CN 202322100240U CN 220988876 U CN220988876 U CN 220988876U
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- tube
- pushing
- puncture
- positioning device
- handle
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000003550 marker Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 11
- 206010056342 Pulmonary mass Diseases 0.000 description 11
- 230000035515 penetration Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a puncture positioning device, which comprises a slide tube, a puncture needle tube, a pushing mechanism and a lock catch; the front end of the puncture needle tube is provided with a puncture tip part, and the puncture needle tube is provided with a hollow channel suitable for accommodating a marker; the pushing mechanism comprises a pushing rod which is arranged on the slide tube in a sliding manner, and the pushing rod is suitable for extending into the hollow channel and pushing the marker in the hollow channel out of the hollow channel in the pushing process; the lock catch is detachably arranged on the slide tube, and is suitable for abutting against the pushing mechanism when being arranged on the slide tube so as to prevent the pushing mechanism from continuously pushing the pushing rod forwards. It can not only push the marker in the operation, but also can prevent the phenomenon that the marker in the puncture needle tube is pushed out due to accidental pushing.
Description
Technical Field
The utility model relates to a puncture positioning device, and belongs to the technical field of medical appliances.
Background
The positioning confirmation of depth and position of focus tissues of patients in the operation process is a problem which needs to be solved at present, for example, in the lung nodule operation process, a lung nodule positioning ring needs to be pushed to a lung nodule position to position a lung nodule, and through searching, the Chinese patent publication No. CN106345141A discloses a lung nodule puncture positioning device, in which the position of a spring ring is indicated by defining whether the shape memory microcoil in the operation has the characteristics of falling off and slipping out phenomena or not, and the focus tissue position is positioned. However, when the device is not used, a false pushing phenomenon can occur, so that the spring ring is pushed out, and the operation is not facilitated.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a puncture positioning device which not only can push the marker in the operation, but also can prevent the phenomenon that the marker in the puncture needle tube is pushed out due to accidental pushing.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a puncture positioning device, comprising:
a slide tube;
The front end of the puncture needle tube is provided with a puncture tip part, and the puncture needle tube is provided with a hollow channel suitable for accommodating a marker;
The pushing mechanism comprises a pushing rod which is arranged on the slide tube in a sliding manner, and the pushing rod is suitable for extending into the hollow channel and pushing the marker in the hollow channel out of the hollow channel in the pushing process;
The lock catch is detachably arranged on the slide tube and is suitable for abutting against the pushing mechanism when being arranged on the slide tube so as to prevent the pushing mechanism from continuously pushing the pushing rod forwards.
Further, to facilitate operation of the pushing mechanism, the pushing mechanism further includes a handle connected to the pushing rod, the handle portion passing outside the slide tube;
The sliding tube is provided with a sliding groove, the handle comprises a connecting part, a guiding part and a handle part, the connecting part is connected with the pushing rod, the guiding part is embedded in the sliding groove, and the handle part is positioned outside the sliding tube.
Further, the lock catch comprises a clasp part and a blocking part, the blocking part is suitable for blocking the pushing mechanism, a clasp groove which is arranged corresponding to the clasp part is arranged on the outer wall of the sliding tube, and when the lock catch is arranged on the sliding tube, the clasp part is buckled into the clasp groove.
Further, a sliding groove is formed in the sliding tube, the handle comprises a connecting portion, a guiding portion and a handle portion, the connecting portion is connected with the pushing rod, the guiding portion is embedded in the sliding groove, the handle portion is located outside the sliding tube, and when the clasp portion is buckled into the buckling groove, the blocking portion is located in the sliding groove and is suitable for being abutted to the guiding portion.
Further, in order to prevent the handle and the pushing rod from reversely falling off the slide tube, the puncture positioning device further comprises an anti-falling cap, and the anti-falling cap is connected to the rear end of the slide tube.
Further, a clamping convex ring is arranged at the rear end of the slide tube, a clamping groove is arranged on the inner wall of the anti-drop cap, and the clamping convex ring is clamped into the clamping groove.
Further, the rear end of the puncture needle tube is connected with the front end of the slide tube.
Further, the puncture positioning device further comprises a connecting piece, the rear end of the puncture needle tube is tightly matched with the connecting piece, and the connecting piece is connected with the front end of the sliding tube.
Further, the connecting piece includes the connection draw-in groove and locates connection draw-in groove one end and outwards stretches out at least one card ear, the front end of slide tube is equipped with the fixture block and locates the card ear groove of fixture block one end, the fixture block card is gone into connection draw-in groove, the card ear card is gone into the card ear groove.
Furthermore, in order to accurately determine the puncture depth, the outer wall of the puncture needle tube is provided with puncture scales, and the puncture needle tube is sleeved with a positioning ring.
Further, in order to accurately determine the pushing depth, a pushing scale may be further disposed on the outer wall of the sliding tube.
After the technical scheme is adopted, the utility model has the following beneficial effects:
1. In the utility model, the marker is put into the hollow channel of the puncture needle tube, the puncture needle tube is used for puncturing human tissues, and the pushing rod is moved forwards in the puncture needle tube by the action of the pushing mechanism, so that the marker is pushed into the human tissues and then exits from the puncture positioning device, thus the purpose of pushing the marker in the operation is realized;
2. The utility model is provided with the lock catch, the lock catch is arranged on the slide tube, and the lock catch can be abutted against the pushing mechanism to prevent the pushing mechanism from continuously pushing the pushing rod forwards, so that the phenomenon of mistakenly pushing the marker when the operation is not performed is prevented;
3. In the embodiment, the puncture needle tube and the slide tube can be integrally arranged, and of course, the puncture needle tube can also adopt the structure in the existing market, and the puncture needle tube is assembled with the slide tube through the connecting piece and is convenient to operate and cost-saving.
Drawings
FIG. 1 is a perspective view of a puncture positioning device according to a first embodiment;
FIG. 2 is a schematic view showing the structure of the connection between the slider and the puncture needle tube according to the first embodiment;
FIG. 3 is a perspective view of a handle in a first embodiment;
FIG. 4 is a perspective view of a latch according to the first embodiment;
Fig. 5 is a perspective view of the anti-drop cap in the first embodiment;
FIG. 6 is a perspective view of a puncture positioning device according to a second embodiment;
fig. 7 is a perspective view of a connector in the second embodiment;
Fig. 8 is a perspective view of a slide tube in the second embodiment;
fig. 9 is a perspective view of the handle in the second embodiment.
Detailed Description
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Example 1
As shown in fig. 1-5, a puncture positioning device comprising:
A slide tube 1;
a puncture needle tube 2, wherein the front end of the puncture needle tube 2 is provided with a puncture tip part 21, and the puncture needle tube 2 is provided with a hollow channel suitable for accommodating a marker;
The pushing mechanism 3, the pushing mechanism 3 comprises a pushing rod 31, the pushing rod 31 is arranged on the slide tube 1 in a sliding manner, and the pushing rod 31 is suitable for extending into the hollow channel and pushing the marker in the hollow channel out of the hollow channel in the pushing process;
The lock catch 4 is detachably arranged on the slide tube 1, and the lock catch 4 is suitable for abutting against the pushing mechanism 3 to stop the pushing mechanism 3 from continuing to push the pushing rod 31 forwards when being arranged on the slide tube 1.
Specifically, the pushing mechanism 3 further comprises a handle 32, the handle 32 is connected with the pushing rod 31, and a part of the handle 32 penetrates through the outside of the slide tube 1;
In this embodiment, as shown in fig. 2, a sliding groove 8 is provided on the sliding tube 1, the handle 32 includes a connecting portion 321, a guiding portion 322 and a handle portion 323, the connecting portion 321 is connected with the pushing rod 31, the guiding portion 322 is embedded in the sliding groove 8, and the handle portion 323 is located outside the sliding tube 1.
Specifically, the lock catch 4 includes two clasp portions 41 and blocking portions 42, in this embodiment, the clasp portions 41 are symmetrically provided with two blocking portions 42 adapted to block the pushing mechanism 3, two clasp grooves 14 corresponding to the clasp portions 41 are provided on the outer wall of the slide tube 1, and when the lock catch 4 is mounted on the slide tube 1, the clasp portions 41 are clasped into the corresponding clasp grooves 14.
Specifically, when the clasp portion 41 is clasped into the clasp groove 14, the blocking portion 42 is located within the chute 8 and is adapted to abut against the guide portion 322.
In this embodiment, as shown in fig. 1, the puncture positioning device further comprises a drop cap 5, wherein the drop cap 5 is connected to the rear end of the slide tube 1 to seal the slide groove 8, thereby preventing the push rod 31 and the handle 32 from being separated from the slide tube 1.
In this embodiment, as shown in fig. 2, a snap ring 11 is provided on the rear end of the slide tube 1. As shown in fig. 5, a locking groove 51 is provided on the inner wall of the anti-drop cap 5, and the locking convex ring 11 is locked into the locking groove 51.
In this embodiment, the rear end of the puncture needle tube 2 is connected to the front end of the slide tube 1, and the puncture needle tube 2 and the slide tube 1 may be injection molded together, or may be tightly fitted together.
Specifically, the outer wall of the puncture needle tube 2 can be provided with puncture scales, and the puncture needle tube 2 is sleeved with a positioning ring 7; the penetration depth of the penetration needle tube 2 is determined by moving the positioning ring 7 to the required penetration scale.
In this embodiment, the outer wall of the slide tube 1 is provided with a push scale, and the push depth can be known through the push scale on the slide tube 1.
In this embodiment, the marker may be a lung nodule spring ring, which is not described in detail in this embodiment, and the lung nodule spring ring is preset in the needle tube of the puncture needle, when in use, the puncture needle tube is punctured to a specified depth, and then the handle is pushed to the corresponding scale on the slide tube according to the length of the marker, so as to release the marker, thereby achieving the purpose of accurately positioning the focus tissue, and assisting a doctor to observe or resect the focus tissue under a tv thoracoscope or CT.
The specific usage method of the puncture positioning device in this embodiment is as follows:
1) The lock catch 4 is pulled out before use;
2) The lung nodule spring ring is moved to the corresponding scale on the puncture needle tube 2 according to the depth of focus tissue, and then puncture is carried out;
3) After reaching the puncture position, pushing the handle 32 to the corresponding scale on the slide tube 1 according to the length of the lung nodule spring coil, and accurately releasing the lung nodule spring coil;
4) And (5) exiting the puncture positioning device to finish the release of the lung nodule spring ring.
Example two
The puncture positioning device of the present embodiment has substantially the same structure as that of the first embodiment, except that: as shown in fig. 6 to 9, the puncture positioning device may further be provided with a connecting member 6, wherein the rear end of the puncture needle tube 2 is tightly fitted on the connecting member 6, and the connecting member 6 is connected with the front end of the slide tube 1.
In this embodiment, the puncture needle tube 2 may be a commercially available puncture needle.
Specifically, as shown in fig. 7, the connecting piece 6 includes a connecting slot 61 and two lugs 62 that are disposed at one end of the connecting slot 61 and extend outwards, as shown in fig. 8, the front end of the slide tube 1 is provided with a clamping block 12 and a lug slot 13 disposed at one end of the clamping block 12, the clamping block 12 is clamped into the connecting slot 61, and the two lugs 62 are clamped into the lug slot 13; the number of lugs 62 may be specifically set as desired.
The handle 32 of the present embodiment may be the handle 32 of the first embodiment, and of course, the handle 32 of the following structure may be used:
As shown in fig. 9, the handle 32 includes a push rod connecting post 324 and a push body, the push body includes a front fork 326, a rear fork 327, and a connecting shank 325 connecting the front fork 326 and the rear fork 327, the front fork 326 abuts against the front end of the push rod connecting post 324, the rear fork 327 abuts against the rear end of the push rod connecting post 324, the connecting shank 325 extends out of the slide tube 1 from the slide slot 8, and the push rod connecting post 324 is connected with the rear end of the push rod 31.
The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.
Claims (10)
1. A puncture positioning device, comprising:
A slide tube (1);
A puncture needle tube (2), wherein the front end of the puncture needle tube (2) is provided with a puncture tip part (21), and the puncture needle tube (2) is provided with a hollow channel suitable for accommodating a marker;
The pushing mechanism (3), the pushing mechanism (3) comprises a pushing rod (31), the pushing rod (31) is arranged on the sliding tube (1) in a sliding manner, and the pushing rod (31) is suitable for extending into the hollow channel and pushing the marker in the hollow channel out of the hollow channel in the pushing process;
The lock catch (4) is detachably arranged on the sliding tube (1), and the lock catch (4) is suitable for abutting against the pushing mechanism (3) when being arranged on the sliding tube (1) so as to prevent the pushing mechanism (3) from continuously pushing the pushing rod (31) forwards.
2. The puncture positioning device according to claim 1, wherein,
The pushing mechanism (3) further comprises a handle (32), the handle (32) is connected with the pushing rod (31), and the handle (32) partially penetrates through the outside of the sliding tube (1);
The sliding chute (8) is arranged on the sliding tube (1), the handle (32) comprises a connecting part (321), a guiding part (322) and a handle part (323), the connecting part (321) is connected with the pushing rod (31), the guiding part (322) is embedded in the sliding chute (8), and the handle part (323) is positioned outside the sliding tube (1).
3. The puncture positioning device according to claim 1, wherein,
The lock catch (4) comprises a clasp part (41) and a blocking part (42), the blocking part (42) is suitable for blocking the pushing mechanism (3), a clasp groove (14) which is arranged corresponding to the clasp part (41) is formed in the outer wall of the sliding tube (1), and when the lock catch (4) is arranged on the sliding tube (1), the clasp part (41) is buckled into the clasp groove (14).
4. A puncture positioning device according to claim 3, characterized in that,
The pushing mechanism (3) further comprises a handle (32), the handle (32) is connected with the pushing rod (31), and the handle (32) partially penetrates through the outside of the sliding tube (1);
be equipped with spout (8) on slide tube (1), handle (32) are including connecting portion (321), guide part (322) and stalk portion (323), connecting portion (321) link to each other with push rod (31), guide part (322) inlay dress is in spout (8), stalk portion (323) are located outside slide tube (1), works as clasp portion (41) are detained when the catching groove, blocking portion (42) are located in spout (8), and be suitable for with guide part (322) offset.
5. The puncture positioning device according to claim 1, wherein,
The sliding tube further comprises an anti-falling cap (5), and the anti-falling cap (5) is connected to the rear end of the sliding tube (1).
6. The puncture positioning device according to claim 5, characterized in that,
The rear end of the slide tube (1) is provided with a clamping convex ring (11), the inner wall of the anti-drop cap (5) is provided with a clamping groove (51), and the clamping convex ring (11) is clamped into the clamping groove (51).
7. The puncture positioning device according to claim 1, wherein,
The rear end of the puncture needle tube (2) is connected with the front end of the slide tube (1).
8. The puncture positioning device according to claim 1, wherein,
The puncture needle tube also comprises a connecting piece (6), wherein the rear end of the puncture needle tube (2) is tightly matched with the connecting piece (6), and the connecting piece (6) is connected with the front end of the slide tube (1).
9. The puncture positioning device according to claim 8, characterized in that,
The connecting piece (6) comprises a connecting clamping groove (61) and at least one clamping lug (62) which is arranged at one end of the connecting clamping groove (61) and extends outwards, a clamping block (12) and a clamping lug groove (13) which is arranged at one end of the clamping block (12) are arranged at the front end of the sliding tube (1), the clamping block (12) is clamped into the connecting clamping groove (61), and the clamping lug (62) is clamped into the clamping lug groove (13).
10. The puncture positioning device according to claim 1, wherein,
The outer wall of the puncture needle tube (2) is provided with puncture scales, and the puncture needle tube (2) is sleeved with a positioning ring (7);
and/or the outer wall of the slide tube (1) is provided with push scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322100240.6U CN220988876U (en) | 2023-08-04 | 2023-08-04 | Puncture positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322100240.6U CN220988876U (en) | 2023-08-04 | 2023-08-04 | Puncture positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220988876U true CN220988876U (en) | 2024-05-24 |
Family
ID=91123171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322100240.6U Active CN220988876U (en) | 2023-08-04 | 2023-08-04 | Puncture positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220988876U (en) |
-
2023
- 2023-08-04 CN CN202322100240.6U patent/CN220988876U/en active Active
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