CN221154066U - Working sheath for nerve endoscope - Google Patents
Working sheath for nerve endoscope Download PDFInfo
- Publication number
- CN221154066U CN221154066U CN202420271950.7U CN202420271950U CN221154066U CN 221154066 U CN221154066 U CN 221154066U CN 202420271950 U CN202420271950 U CN 202420271950U CN 221154066 U CN221154066 U CN 221154066U
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- CN
- China
- Prior art keywords
- rod body
- stay
- sleeve
- rod
- internal thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000005036 nerve Anatomy 0.000 title abstract description 9
- 230000001537 neural effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010018852 Haematoma Diseases 0.000 description 1
- 206010059491 Intracranial haematoma Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005013 brain tissue Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Endoscopes (AREA)
Abstract
The utility model discloses a nerve endoscope working sheath which comprises a rod body, wherein a channel is formed in the middle of the rod body, two symmetrical grooves are formed in one end of the rod body, stay bars are rotatably connected in the two grooves, stay wires are fixedly connected to the side walls of the two stay bars, a moving assembly for pulling the stay wires is arranged on the surface, away from one end of the stay bars, of the rod body, and a suction cavity is formed in the side wall of the rod body. According to the utility model, the rod body, the channel, the groove, the stay wire, the moving assembly and the tension spring are arranged, the moving assembly comprises the sliding sleeve and the internal thread sleeve, the external thread matched with the internal thread sleeve is arranged on the surface of the rod body near the internal thread sleeve, when the internal thread sleeve is rotated to drive the sliding sleeve to move, the two stay wires can be pulled to open through the stay wire, so that the focus part is opened, the internal thread sleeve can be moved to any position for fixing in the process, the stay wire is not required to be held to keep the opening of the stay wire all the time, and the operation is easier and more convenient.
Description
Technical Field
The utility model relates to the technical field of neurology, in particular to a working sheath of a neuroendoscope.
Background
The most critical instrument for neuroendoscopic surgery is the working sheath. When the neuroendoscopic surgery is performed to remove intracranial hematoma, a clear and stable operation space is needed after the hematoma is positioned, and then a working sheath is needed, so that brain tissues are properly spread by the working sheath, and an artificial working channel is provided for endoscopic operation. However, the existing working sheath for the neuroendoscope has the following disadvantages:
When the existing working sheath is used, the stretching structure at the end part is stretched by the stay wire, so that focus tissues are stretched, the handle for driving the stay wire to move is required to be pinched by the hand of a user for fixing the stay wire, and the operation is not simple and convenient. Secondly, the working sheath can not suck blood or tissue fluid near the focus to the greatest extent when in use, so that the imaging of the neuroendoscopy is clearer. Accordingly, the present utility model proposes a neuroendoscopic working sheath.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a neuroendoscope working sheath.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a neural scope work sheath, includes the body of rod, the passageway has been seted up at the body of rod middle part, two symmetrical recesses have been seted up to body of rod one end, two the inside all rotation of recess is connected with the vaulting pole, two the equal fixedly connected with of vaulting pole lateral wall is acted as go-between, the body of rod is kept away from the surface of vaulting pole one end and is equipped with the mobile component that the pulling acted as go-between, the suction chamber has been seted up to the inside of body of rod lateral wall, is close to the cavity has been seted up inside the vaulting pole of suction chamber one side, through the connecting pipe intercommunication between cavity and the suction chamber, be close to the vaulting pole lateral wall in suction chamber is equipped with a plurality of suction nozzles, and suction nozzle and suction chamber intercommunication.
Further, the movable assembly comprises a sliding sleeve and an internal thread sleeve which are sleeved on the surface of the rod body, the sliding sleeve is in sliding connection with the surface of the rod body, an external thread matched with the internal thread sleeve is arranged on the outer side wall of the rod body, an annular rib is fixed on one end of the internal thread sleeve, which is close to the sliding sleeve, of the sliding sleeve, an annular groove is formed in one end of the sliding sleeve, which is close to the internal thread sleeve, the annular rib is located inside the annular groove and is in rotary connection with the annular groove, the section of the annular groove and the section of the annular rib are of a T shape, and one end, which is far away from the stay rod, of the stay wire is fixedly connected with the sliding sleeve.
Further, the sliding sleeve inner side wall is provided with a protruding block, the rod body outer side wall is provided with a sliding groove, and the protruding block is located inside the sliding groove and is in sliding connection with the sliding groove.
Further, a guide sleeve is fixed on the outer side wall of the rod body, which is close to one end of the stay bar, and the stay wire penetrates through the guide sleeve and is in sliding connection with the guide sleeve.
Further, a tension spring is fixedly connected with one side of the stay bar far away from the stay wire and the inner wall of the groove.
Further, the side wall of the rod body far away from one end of the stay bar is fixedly connected with a suction head, and the suction head is communicated with the interior of the suction cavity.
The utility model has the beneficial effects that:
When the nerve endoscope working sheath is used, the rod body, the channel, the groove, the stay bar, the stay wire, the moving assembly and the tension spring are arranged, the moving assembly comprises the sliding sleeve and the internal thread sleeve, external threads matched with the internal thread sleeve are arranged on the surface of the rod body close to the internal thread sleeve, when the internal thread sleeve is rotated to drive the sliding sleeve to move, the stay bars can be pulled to be spread through the stay wire, so that a focus part is spread, the internal thread sleeve can be moved to any position for fixing, the stay wire is not required to be held for spreading the stay bar all the time, and the operation is easier and more convenient.
When the nerve endoscope working sheath is used, the suction cavity is arranged on the side wall of the rod body, the hollow cavity is arranged in the supporting rod, the hollow cavity is communicated with the suction cavity through the connecting pipe, the suction head communicated with the suction cavity is arranged at the rear end of the rod body, negative pressure can be pumped into the hollow cavity through the suction head, and finally, blood or tissue fluid at a focus position is sucked through the suction nozzle on the supporting rod, so that the nerve endoscope can be photographed more clearly.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the specific embodiments will be briefly described below, it being obvious that the drawings in the following description are only some examples of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1: the utility model is a whole perspective view;
Fig. 2: an overall cross-sectional view of the present utility model;
Fig. 3: an enlarged view of the utility model at a in fig. 2;
fig. 4: the utility model is shown in enlarged view at B in fig. 2.
The reference numerals are as follows:
1. A rod body; 2. a channel; 3. a groove; 4. a brace rod; 5. a pull wire; 6. a moving assembly; 61. a sliding sleeve; 62. an internal thread sleeve; 63. annular rib; 64. an annular groove; 65. a bump; 7. a chute; 8. a guide sleeve; 9. a suction chamber; 10. a hollow cavity; 11. a connecting pipe; 12. a suction nozzle; 13. a suction head; 14. and a tension spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, a working sheath of a neuroendoscope is related, which comprises a rod body 1, a channel 2 is arranged in the middle of the rod body 1, two symmetrical grooves 3 are arranged at one end of the rod body 1, stay bars 4 are rotationally connected in the two grooves 3, pull wires 5 are fixedly connected to the side walls of the two stay bars 4, a moving component 6 for pulling the pull wires 5 is arranged on the surface of one end, far away from the stay bars 4, of the rod body 1, a suction cavity 9 is arranged in the side wall of the rod body 1, a hollow cavity 10 is arranged in the stay bars 4, close to one side of the suction cavity 9, the hollow cavity 10 is communicated with the suction cavity 9 through a connecting pipe 11, a plurality of suction nozzles 12 are arranged on the side walls of the stay bars 4, close to the suction cavity 9, and the suction nozzles 12 are communicated with the suction cavity 9.
As shown in fig. 1-4, the moving assembly 6 comprises a sliding sleeve 61 and an internal thread sleeve 62 sleeved on the surface of the rod body 1, the sliding sleeve 61 is slidably connected with the surface of the rod body 1, an external thread matched with the internal thread sleeve 62 is arranged on the outer side wall of the rod body 1, an annular convex rib 63 is fixed at one end of the internal thread sleeve 62 close to the sliding sleeve 61, an annular groove 64 is formed at one end of the sliding sleeve 61 close to the internal thread sleeve 62, the annular convex rib 63 is located inside the annular groove 64 and is rotationally connected with the annular groove 64, the cross section of the annular groove 64 and the annular convex rib 63 is T-shaped, and one end, far away from the stay bar 4, of the stay wire 5 is fixedly connected with the sliding sleeve 61.
When the internal thread sleeve 62 rotates along the external thread on the surface of the rod body 1, the internal thread sleeve 62 pulls the sliding sleeve 61 to move along the surface of the rod body 1 through the annular convex rib 63, the sliding sleeve 61 pulls the stay wire 5 to move, and finally the stay wire 5 pulls the stay rod 4 to prop open at the end of the rod body 1.
As shown in fig. 4, the inner side wall of the sliding sleeve 61 is provided with a bump 65, the outer side wall of the rod body 1 is provided with a sliding groove 7, and the bump 65 is positioned inside the sliding groove 7 and is in sliding connection with the sliding groove 7.
The sliding sleeve 61 is guided by the protruding block 65 and the sliding groove 7, when the internal thread sleeve 62 rotates, the internal thread sleeve 62 can only drive the sliding sleeve 61 to move along the rod body 1, but can not rotate on the surface of the rod body 1, and the stay wire 5 is prevented from being wound on the surface of the rod body 1.
As shown in fig. 3, a guide sleeve 8 is fixed on the outer side wall of the rod body 1 near one end of the stay rod 4, and the pull wire 5 passes through the guide sleeve 8 and is in sliding connection with the guide sleeve 8.
The guide sleeve 8 can play a role in guiding the movement of the pull wire 5.
As shown in fig. 3, a tension spring 14 is fixedly connected with the inner wall of the groove 3 together at the side of the stay rod 4 away from the stay wire 5.
When the internal thread sleeve 62 drives the sliding sleeve 61 to move to one side of the stay bar 4, the tension spring 14 pulls the stay bar 4 to reset, so that the two stay bars 4 are folded.
As shown in fig. 2, the side wall of the end, far away from the stay bar 4, of the rod body 1 is fixedly connected with a suction head 13, and the suction head 13 is communicated with the interior of the suction cavity 9. After the nozzle of the syringe is inserted into the suction head 13, the suction chamber 9 and the hollow chamber 10 can be evacuated by the syringe to remove the tissue fluid or blood in the vicinity of the stay 4 by the suction nozzle 12.
Working principle: the hand-held rod body 1 inserts one end of the stay rod 4 into the focus position of a patient, then the internal thread sleeve 62 is rotated to drive the sliding sleeve 61 to move, the sliding sleeve 61 is utilized to pull the stay wires 5 to move, the two stay wires 5 pull the two stay rods 4 away from each other, so that focus tissues are spread, then the nerve endoscope is inserted into the channel 2 inside the rod body 1, the focus is observed at the stay rod 4 by utilizing the nerve endoscope, in the process, a syringe can be taken to insert into the suction head 13, then the syringe is utilized to suck negative pressure into the suction cavity 9 and the hollow cavity 10, and the suction nozzle 12 can suck tissue fluid and blood near the focus into the hollow cavity 10 and the suction cavity 9, so that the nerve endoscope can shoot more clearly.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides a neural scope work sheath, includes body of rod (1), its characterized in that: the utility model discloses a suction cavity, including body of rod (1), cavity (10) have been seted up to body of rod (1) one end, two recess (3) are inside all to rotate and are connected with vaulting pole (4), two equal fixedly connected with of vaulting pole (4) lateral wall is acted as go-between (5), body of rod (1) is kept away from the surface of vaulting pole (4) one end and is equipped with the mobile unit (6) that the pulling acted as go-between (5), body of rod (1) lateral wall is inside to be seted up suction cavity (9), is close to cavity (10) have been seted up inside vaulting pole (4) of suction cavity (9), through connecting pipe (11) intercommunication between cavity (10) and suction cavity (9), be close to the vaulting pole (4) lateral wall of suction cavity (9) is equipped with a plurality of suction nozzles (12), and suction nozzle (12) and suction cavity (9) intercommunication.
2. A working sheath for a neuroendoscope according to claim 1 and wherein: the mobile assembly (6) comprises a sliding sleeve (61) and an internal thread sleeve (62) which are sleeved on the surface of a rod body (1), the sliding sleeve (61) is in sliding connection with the surface of the rod body (1), external threads matched with the internal thread sleeve (62) are arranged on the outer side wall of the rod body (1), an annular rib (63) is fixed on one end of the internal thread sleeve (62) close to the sliding sleeve (61), an annular groove (64) is formed in one end of the sliding sleeve (61) close to the internal thread sleeve (62), the annular rib (63) is located inside the annular groove (64) and is in rotary connection with the annular groove (64), the section of the annular groove (64) and the section of the annular rib (63) are of a T shape, and one end, far away from a supporting rod (4), of a stay wire (5) is fixedly connected with the sliding sleeve (61).
3. A working sheath for a neuroendoscope according to claim 2 and wherein: the sliding sleeve (61) is characterized in that a lug (65) is arranged on the inner side wall of the sliding sleeve, a sliding groove (7) is formed in the outer side wall of the rod body (1), and the lug (65) is located inside the sliding groove (7) and is in sliding connection with the sliding groove (7).
4. A working sheath for a neuroendoscope according to claim 1 and wherein: the outer side wall of the rod body (1) close to one end of the stay bar (4) is fixedly provided with a guide sleeve (8), and the stay wire (5) penetrates through the guide sleeve (8) and is in sliding connection with the guide sleeve (8).
5. A working sheath for a neuroendoscope according to claim 1 and wherein: and a tension spring (14) is fixedly connected with one side, far away from the stay wire (5), of the stay bar (4) and the inner wall of the groove (3).
6. A working sheath for a neuroendoscope according to claim 1 and wherein: the side wall of one end, far away from the stay bar (4), of the rod body (1) is fixedly connected with a suction head (13), and the suction head (13) is communicated with the interior of the suction cavity (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420271950.7U CN221154066U (en) | 2024-02-04 | 2024-02-04 | Working sheath for nerve endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420271950.7U CN221154066U (en) | 2024-02-04 | 2024-02-04 | Working sheath for nerve endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221154066U true CN221154066U (en) | 2024-06-18 |
Family
ID=91533360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420271950.7U Active CN221154066U (en) | 2024-02-04 | 2024-02-04 | Working sheath for nerve endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221154066U (en) |
-
2024
- 2024-02-04 CN CN202420271950.7U patent/CN221154066U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |