CN219439354U - Curved blunt tip trocar for carpal tunnel syndrome operation - Google Patents
Curved blunt tip trocar for carpal tunnel syndrome operation Download PDFInfo
- Publication number
- CN219439354U CN219439354U CN202320169694.6U CN202320169694U CN219439354U CN 219439354 U CN219439354 U CN 219439354U CN 202320169694 U CN202320169694 U CN 202320169694U CN 219439354 U CN219439354 U CN 219439354U
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- Prior art keywords
- trocar
- core
- blunt
- hollow curved
- carpal tunnel
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- 208000003295 carpal tunnel syndrome Diseases 0.000 title claims abstract description 21
- 238000005452 bending Methods 0.000 claims abstract description 6
- 238000001356 surgical procedure Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 6
- 210000000707 wrist Anatomy 0.000 claims 1
- 206010033675 panniculitis Diseases 0.000 abstract description 14
- 210000004304 subcutaneous tissue Anatomy 0.000 abstract description 14
- 238000009593 lumbar puncture Methods 0.000 abstract description 9
- 210000001519 tissue Anatomy 0.000 abstract description 8
- 210000005036 nerve Anatomy 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 210000005117 flexor retinaculum Anatomy 0.000 description 2
- 206010029174 Nerve compression Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000578 peripheral nerve Anatomy 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a curved blunt-tip trocar for a carpal tunnel syndrome operation, which belongs to the technical field of medical supplies and comprises a hollow curved trocar I, wherein the hollow curved trocar I is used for puncturing a carpal tunnel; the hollow bending trocar II is used for puncturing a carpal tunnel and has the beneficial effects that: the hollow curved trocar is adopted for the lumbar puncture needle, so that the hollow curved trocar can easily reach an ideal position for puncture, when the hollow curved trocar punctures skin, the sharp head inner core is inserted into the hollow curved trocar for puncture, when the hollow curved trocar punctures subcutaneous tissue, the sharp head inner core is replaced by the blunt head inner core for puncture, the sharp point of the sharp head inner core is prevented from easily damaging subcutaneous tissue, and the blunt head inner core is used for puncturing subcutaneous tissue without damaging tissue nerves.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to a curved blunt-tip trocar for carpal tunnel syndrome surgery.
Background
The carpal tunnel syndrome is a common peripheral nerve clamping and pressing disease, which is the disease most frequently operated and treated by a hand surgeon, and is caused by thickening of the transverse carpal ligament and nerve compression, and the proximal end of the transverse carpal ligament is positioned at the joint of the pisiform and the navicular tuberosity at the size of the fish-bone, and the lumbar puncture needle can be used for leading wires when the operation is performed.
The existing straight lumbar puncture needle is not easy to reach an ideal position when puncturing the carpal tunnel, and the sharp needle point of the lumbar puncture needle is easy to damage tissues around the carpal tunnel.
Therefore, it is necessary to invent a curved blunt tip trocar for carpal tunnel syndrome surgery.
Disclosure of Invention
The present utility model has been made in view of the above-mentioned and/or existing problems with a curved blunt tip trocar for carpal tunnel syndrome surgery.
Therefore, an object of the present utility model is to provide a curved blunt tip trocar for carpal tunnel syndrome surgery, in which a hollow curved trocar is used for lumbar puncture, so that the hollow curved trocar can easily reach an ideal position for puncture, a pointed core is inserted into the hollow curved trocar for puncture when the hollow curved trocar punctures skin, and the pointed core is replaced with the blunt tip core for puncture when the hollow curved trocar punctures subcutaneous tissue, so that the sharp point of the pointed core is prevented from damaging subcutaneous tissue easily, and the blunt tip core is used for puncturing subcutaneous tissue so as not to damage tissue nerves, thereby solving the problems that the conventional straight lumbar puncture needle cannot easily reach the ideal position when puncturing carpal tunnel, and the sharp point of the lumbar puncture needle easily damages tissues around carpal tunnel.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a curved blunt tip trocar for carpal tunnel syndrome surgery, comprising:
a hollow curved trocar I for puncturing a carpal tunnel;
and the hollow bending trocar II is used for puncturing the carpal tunnel.
As a preferred embodiment of the curved blunt tip trocar for carpal tunnel syndrome surgery according to the present utility model, wherein: the hollow curved trocar I consists of a trocar back end I, a trocar middle part I and a trocar front end I, wherein the trocar middle part I is arranged between the trocar back end I and the trocar front end I.
As a preferred embodiment of the curved blunt tip trocar for carpal tunnel syndrome surgery according to the present utility model, wherein: the hollow curved trocar II consists of a trocar rear end II, a trocar middle part II and a trocar front end II, and the trocar middle part II is arranged between the trocar rear end II and the trocar front end II.
As a preferred embodiment of the curved blunt tip trocar for carpal tunnel syndrome surgery according to the present utility model, wherein: the hollow curved trocar can have an interior capable of inserting a pointed core and also capable of inserting a blunt core.
As a preferred embodiment of the curved blunt tip trocar for carpal tunnel syndrome surgery according to the present utility model, wherein: the hollow curved trocar II can be internally inserted into a pointed core and also can be inserted into a blunt core.
As a preferred embodiment of the curved blunt tip trocar for carpal tunnel syndrome surgery according to the present utility model, wherein: the left end of the sharp head inner core is connected with a first hose, and the left end of the blunt head inner core is connected with a second hose.
As a preferred embodiment of the curved blunt tip trocar for carpal tunnel syndrome surgery according to the present utility model, wherein: the installation angle between the middle part first of the trocar and the rear end first of the trocar and the front end first of the trocar are 30 degrees.
As a preferred embodiment of the curved blunt tip trocar for carpal tunnel syndrome surgery according to the present utility model, wherein: the installation angle between the middle part II of the trocar and the rear end II of the trocar as well as between the middle part II of the trocar and the front end II of the trocar is 60 degrees.
Compared with the prior art:
the hollow curved trocar is easy to puncture by adopting the hollow curved trocar to the lumbar puncture needle, when the hollow curved trocar punctures skin, the tip inner core is inserted into the hollow curved trocar to puncture, when the hollow curved trocar punctures subcutaneous tissue, the tip inner core is replaced by the blunt tip inner core to puncture, the sharp needle point of the tip inner core is prevented from damaging subcutaneous tissue easily, the blunt tip inner core is used for puncturing subcutaneous tissue without damaging tissue nerves, the hollow curved trocar is sleeved, and the hollow curved trocar of 30 degrees or 60 degrees is selected according to the use condition.
Drawings
FIG. 1 is a schematic illustration of the connection of a hollow curved trocar-and-pointed core of the present utility model;
FIG. 2 is a schematic illustration of the connection of a hollow curved trocar I with a blunt core of the present utility model;
FIG. 3 is a schematic illustration of the connection of a hollow curved trocar II with a pointed core of the present utility model;
FIG. 4 is a schematic illustration of the connection of a hollow curved trocar II with a blunt core in accordance with the present utility model;
FIG. 5 is a block diagram of the inner tip core of the present utility model;
fig. 6 is a block diagram of the inner blunt core of the present utility model.
In the figure: a hollow curved trocar 1, a pointed core 2, a hose 3, a hollow curved trocar 4, a blunt core 5, a hose 6, a trocar rear end 11, a trocar middle part 12, a trocar front end 13, a trocar rear end 41, a trocar middle part 42 and a trocar front end 43.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a curved blunt tip trocar for carpal tunnel syndrome surgery, referring to fig. 1-6, comprising a hollow curved trocar 1 and a hollow curved trocar 4;
the hollow curved trocar 1 is used for puncturing the carpal tunnel, the hollow curved trocar 4 is used for puncturing the carpal tunnel, the hollow curved trocar is easy to puncture at an ideal position by adopting the hollow curved trocar to puncture the lumbar puncture needle, the tip inner core is inserted into the hollow curved trocar to puncture when the hollow curved trocar punctures the skin, the tip inner core is replaced with the blunt tip inner core to puncture when the hollow curved trocar punctures subcutaneous tissue, the sharp needle point of the tip inner core is prevented from easily damaging subcutaneous tissue, and the blunt tip inner core is used for puncturing subcutaneous tissue without damaging tissue nerves.
The hollow curved trocar 1 consists of a trocar back end 11, a trocar middle part 12 and a trocar front end 13, the trocar middle part 12 is arranged between the trocar back end 11 and the trocar front end 13, the hollow curved trocar 4 consists of a trocar back end 41, a trocar middle part 42 and a trocar front end 43, the trocar middle part 42 is arranged between the trocar back end 41 and the trocar front end 43, the hollow curved trocar 1 can be internally inserted with a tip core 2 and can also be inserted with a blunt tip core 5, the hollow curved trocar 4 can be internally inserted with a tip core 2 and can also be inserted with a blunt tip core 5, the left end of the tip core 2 is connected with a hose 3, the tip core 2 can be pulled out of the hollow curved trocar through the hose 3, the tip core 2 can also be pushed into the hollow curved trocar, the left end of the blunt core 5 can be connected with a hose 6, the blunt tip core 5 can also be pulled out of the hollow curved trocar through the hose 6, and the blunt core 5 can also be pushed into the hollow curved trocar. The installation angles between the first trocar middle part 12 and the first trocar rear end 11 and the first trocar front end 13 are 30 degrees, the installation angles between the second trocar middle part 42 and the second trocar rear end 41 and the second trocar front end 43 are 60 degrees, so that the hollow curved trocar has different angles for puncture, and the hollow curved trocar with the angle of 30 degrees or 60 degrees is selected according to the use condition.
In specific use, when the hollow curved trocar 1 is used for puncturing a carpal tunnel, the tip core 2 is pushed into the right end of the hollow curved trocar 1 to be blocked, the tip core 2 is used for puncturing skin, after the front end 13 of the trocar enters subcutaneous tissue, the hose 3 is pulled, the tip core 2 is pulled out, the blunt core 5 is inserted into the left end of the hollow curved trocar 1, the hose 6 is pushed, the blunt core 5 is pushed into the right end of the hollow curved trocar 1 to be blocked, the tip core 2 is replaced by the blunt core 5 to continuously puncture, the sharp tip of the tip core 2 is prevented from easily damaging surrounding tissues, when the front end 13 of the trocar is used for puncturing skin, the blunt core 5 is pulled out through the hose 6, the blunt core 5 is replaced by the blunt core 2 to be inserted into the hollow curved trocar 1, the skin is punctured by the tip core 2, when the hollow curved trocar (4) is used for puncturing the carpal tunnel without damaging nerves, the tip core (2) is pushed into the right end of the hollow curved trocar (4) to be blocked, the tip core (2) is used for puncturing the skin, after the front end (13) of the trocar enters subcutaneous tissue, the hose (3) is pulled, the tip core (2) is pulled out, the blunt core (5) is inserted into the left end of the hollow curved trocar (4) and the hose (6) is pushed, the blunt core (5) is pushed into the right end of the hollow curved trocar (4) to be blocked, the tip core (2) is replaced by the blunt core (5) to continuously puncture, the sharp needle tip of the tip core (2) is prevented from easily damaging surrounding tissues, when the front end (13) of the trocar is required to puncture the skin, the blunt core (5) is replaced by the tip core (2) to be inserted into the hollow curved trocar (4), the skin is punctured by the tip core (2), the nerve is not damaged.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. A curved blunt tip trocar for carpal tunnel syndrome surgery, comprising:
a hollow curved trocar (1), the hollow curved trocar (1) for puncturing a carpal tunnel;
the hollow bending trocar (4), hollow bending trocar (4) is used for puncturing the wrist, hollow bending trocar (1) comprises trocar back end (11), trocar middle part (12) and trocar front end (13), trocar middle part (12) are installed between trocar back end (11) and trocar front end (13), hollow bending trocar (4) comprises trocar back end (41), trocar middle part (42) and trocar front end (43), trocar middle part (42) are installed between trocar back end (41) and trocar front end (43), the installation angle between trocar middle part (12) and trocar back end (11), trocar front end (13) is 30 degrees, the installation angle between trocar middle part (42) and trocar back end (41), trocar front end (43) is 60 degrees.
2. A curved blunt trocar for carpal tunnel syndrome surgery as claimed in claim 1, wherein the hollow curved trocar 1 is internally insertable into the pointed core 2 and also into the blunt core 5.
3. A curved blunt trocar for carpal tunnel syndrome surgery as claimed in claim 1, wherein the hollow curved trocar (4) is internally insertable into the pointed core (2) and also into the blunt core (5).
4. A curved blunt trocar for carpal tunnel syndrome surgery as claimed in claim 3, wherein the left end of the tip core (2) is connected with the first hose (3), and the left end of the blunt core (5) is connected with the second hose (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320169694.6U CN219439354U (en) | 2023-02-09 | 2023-02-09 | Curved blunt tip trocar for carpal tunnel syndrome operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320169694.6U CN219439354U (en) | 2023-02-09 | 2023-02-09 | Curved blunt tip trocar for carpal tunnel syndrome operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219439354U true CN219439354U (en) | 2023-08-01 |
Family
ID=87386817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320169694.6U Active CN219439354U (en) | 2023-02-09 | 2023-02-09 | Curved blunt tip trocar for carpal tunnel syndrome operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219439354U (en) |
-
2023
- 2023-02-09 CN CN202320169694.6U patent/CN219439354U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240814 Address after: Room 207, 2nd Floor, No. 115 Shuiyin Road, Tianhe District, Guangzhou City, Guangdong Province 510000 Patentee after: Guangzhou Jianhong Medical Equipment Co.,Ltd. Country or region after: China Address before: No. 107, Yanjiang West Road, Yuexiu District, Guangzhou, Guangdong 510000 Patentee before: SUN YAT-SEN MEMORIAL HOSPITAL, SUN YAT-SEN University Country or region before: China |