CN112545618A - Cannula puncture device for laparoscopic surgery - Google Patents
Cannula puncture device for laparoscopic surgery Download PDFInfo
- Publication number
- CN112545618A CN112545618A CN202011479302.3A CN202011479302A CN112545618A CN 112545618 A CN112545618 A CN 112545618A CN 202011479302 A CN202011479302 A CN 202011479302A CN 112545618 A CN112545618 A CN 112545618A
- Authority
- CN
- China
- Prior art keywords
- cannula
- puncture
- puncturing
- contact
- laparoscopic surgery
- 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.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3433—Cannulas with different outer diameters of the cannula
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a cannula puncturing device for laparoscopic surgery, which comprises a puncturing cannula and a puncturing needle arranged in the puncturing cannula in a penetrating way: the top of the puncture sleeve is provided with a tube head cover, and the tube head cover is provided with a positioning groove; the top of the puncture needle is provided with a contact, and the bottom of the contact is provided with a positioning rod; the contact is connected with the tube head cover through the corresponding insertion of the positioning rod and the positioning groove; the inner wall of the opening end of the puncture sleeve is provided with an internal thread, the internal thread is screwed with the outer wall of the adjusting pipe, and the inner diameter of the puncture sleeve is adjusted. According to the invention, the cannula puncturing device adopts the adjusting tube connected in the puncturing cannula, the adjusting tubes with different inner diameters can be freely rotated to be connected with the puncturing cannula according to the aperture size of the punctured skin required by the actual operation, the puncturing effect of the puncturing needles with different diameters is realized on the basis of not replacing the puncturing cannula, and the operation burden of the laparoscopic operation is greatly reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a cannula puncturing device for laparoscopic surgery.
Background
The traditional method of the laparoscopic surgery is to make three small 1 cm incisions at the waist of a patient, insert a tubular working channel called trocar respectively, and carry out all the following operations through the three channels; the same steps as the open surgery are completed by a special lengthened surgical instrument under the television monitoring to achieve the same surgical effect, so that the auxiliary operation is required to be performed by a cannula puncture device to achieve the surgical requirements.
The existing cannula puncture device usually adopts a structure with a single inner diameter of the cannula, so that the cannula can only meet the puncture operation of a puncture needle with a specific diameter, and when the puncture needle needs to be replaced, the puncture cannula needs to be replaced at the same time, thereby increasing the operation steps of laparoscopic surgery and reducing the use effect of the cannula puncture device.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a cannula puncture device for laparoscopic surgery, which can change the inner diameter of a puncture cannula according to the actual puncture requirement and meet the diversified puncture requirements.
In order to achieve the purpose, the invention adopts the following technical scheme: a cannula puncturing device for laparoscopic surgery, comprising a puncturing cannula, and a puncturing needle disposed through the puncturing cannula:
the top of the puncture sleeve is provided with a tube head cover, and the tube head cover is provided with a positioning groove;
the top of the puncture needle is provided with a contact, and the bottom of the contact is provided with a positioning rod;
the contact is connected with the tube head cover through the corresponding insertion of the positioning rod and the positioning groove;
the inner wall of the opening end of the puncture sleeve is provided with an internal thread, the internal thread is screwed with the outer wall of the adjusting pipe, and the inner diameter of the puncture sleeve is adjusted.
As a further description of the above technical solution:
the end part of the adjusting pipe, which is positioned in the puncture sleeve, is provided with a guide ring, and the guide ring is of an inward inclining structure.
As a further description of the above technical solution:
also includes a seal assembly;
the sealing assembly comprises a spiral pipe, the spiral pipe is screwed with the external thread on the puncture sleeve, and a pressing ring perpendicular to the puncture sleeve is arranged at the bottom of the spiral pipe.
As a further description of the above technical solution:
the lower surface of the pressing ring is provided with a sponge sheet which is abutted against the skin of the puncture part.
As a further description of the above technical solution:
the upper surface of clamping ring is provided with the spacing frame that is used for spacing fixed to medical sticky tape.
As a further description of the above technical solution:
the outer wall of the pipe head cover is provided with a gas receiving pipe, and a sealing plug is embedded in the inner wall of the opening end of the gas receiving pipe.
As a further description of the above technical solution:
the outer wall of the pipe head cover is vertically provided with two parallel finger-pressure plates, and the lower surfaces of the finger-pressure plates are of a concave structure.
As a further description of the above technical solution:
the contact is of a two-section structure, the upper end of the contact is of a hemispherical structure, the lower end of the contact is of a disc-shaped structure, and the diameter of the lower end of the contact is larger than that of the outer wall of the pipe head cover.
The invention provides a cannula puncturing device for laparoscopic surgery. The method has the following beneficial effects:
the puncture cannula device adopts the adjusting tube connected in the puncture cannula, the adjusting tube with different inner diameters can be freely rotated according to the aperture size of the puncture skin needed by the actual operation, and the puncture effect of puncture needles with different diameters can be realized on the basis of not replacing the puncture cannula, thereby improving the application range of the puncture cannula device and greatly reducing the operation burden of the laparoscopic operation.
Drawings
Fig. 1 is a schematic structural view illustrating a cannula-piercing device for laparoscopic surgery according to the present invention;
FIG. 2 is a schematic view of the puncture cannula of the present invention;
FIG. 3 is a schematic view of the internal partial structure of the puncture cannula in accordance with the present invention;
FIG. 4 is a schematic view of the structure of the puncture needle of the present invention;
fig. 5 is a schematic structural view of the sealing assembly of the present invention.
Illustration of the drawings:
1. puncturing a cannula; 11. an external thread; 12. a pipe head cover; 13. positioning a groove; 14. a gas receiving pipe; 15. a sealing plug; 16. a finger-pressure plate; 17. an internal thread; 18. an adjusting tube; 19. a guide ring; 2. puncturing needle; 21. a contact; 22. positioning a rod; 3. a seal assembly; 31. a limiting frame; 32. a solenoid; 33. pressing a ring; 34. a sponge sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
As shown in fig. 1 to 4, a cannula-puncturing device for laparoscopic surgery includes a puncturing cannula 1, and a puncturing needle 2 penetrating through the puncturing cannula 1:
the top of the puncture cannula 1 is provided with a cannula head cover 12, and the cannula head cover 12 is provided with a positioning groove 13;
the top of the puncture needle 2 is provided with a contact 21, and the bottom of the contact 21 is provided with a positioning rod 22;
the contact 21 is connected with the tube head cover 12 through the corresponding insertion of the positioning rod 22 and the positioning groove 13;
the inner wall of the opening end of the puncture sleeve 1 is provided with an internal thread 17, the internal thread 17 is screwed with the outer wall of the adjusting tube 18, and the inner diameter of the puncture sleeve 1 is adjusted.
In this embodiment, the puncture needle 2 is inserted into the puncture cannula 1 from one end of the tip cover 12, so that the needle head of the puncture needle 2 is exposed from the puncture cannula 1, and the positioning rod 22 is correspondingly inserted into the positioning groove 13, thereby playing a role of positioning and clamping the contact 21 and the tip cover 12, ensuring stable connection between the puncture needle 2 and the puncture cannula 1, on the other hand, according to the diameter of the actual puncture needle 2, the adjusting tube 18 with a proper inner diameter is rotated to be screwed with the internal thread 17 in the puncture cannula 1, so that the adjusting tube 18 can be assembled in the puncture cannula 1, thereby realizing the puncture operation requirements of puncture needles 2 with different diameters on the basis of not replacing the puncture cannula 1, and improving the use effect of the cannula puncture device.
As shown in fig. 3, the adjusting tube 18 and the end portion inside the puncture cannula 1 are provided with a guide ring 19, and the guide ring 19 has an inward-inclined structure, so that the needle head of the puncture needle 2 can be guided and gathered to the middle, so that the puncture needle 2 can enter the adjusting tube 18 quickly and accurately, and perform the subsequent puncture operation.
As shown in fig. 1 and 5, the puncture needle further comprises a sealing assembly 3, the sealing assembly 3 comprises a spiral tube 32, the spiral tube 32 is in threaded connection with the external thread 11 on the puncture cannula 1, a pressing ring 33 perpendicular to the puncture cannula 1 is arranged at the bottom of the spiral tube 32, when the puncture cannula 1 is reserved at the puncture site of a patient, the spiral tube 32 is rotated to rotate on the external thread 11, and the pressing ring 33 is driven to move downwards until the pressing ring is contacted with the skin of the puncture site of the patient, so that the state of the puncture cannula 1 is limited and clamped, and the puncture cannula 1 is prevented from shaking violently.
As shown in fig. 5, the lower surface of the pressing ring 33 is provided with a sponge sheet 34 abutting against the skin of the puncture site for buffering the space between the pressing ring 33 and the skin of the puncture site, thereby avoiding the phenomenon that the pressing ring 33 causes secondary damage to the skin of the puncture site.
As shown in fig. 5, the upper surface of the pressing ring 33 is provided with a limiting frame 31 for limiting and fixing the medical adhesive tape, when the pressing ring 33 contacts with the skin of the puncture site of the patient, the medical adhesive tape penetrates through the limiting frame 31 and is adhered to the skin, so that the pressing ring 33 and the skin can be further reinforced, and the adhesion and the sealing performance between the pressing ring 33 and the skin can be ensured.
As shown in fig. 2, an air receiving pipe 14 is disposed on an outer wall of the pipe head cover 12, and a sealing plug 15 is embedded in an inner wall of an open end of the air receiving pipe 14, so that the air receiving pipe 14 can be correspondingly connected with an external carbon dioxide device to assist the laparoscopic surgery to be performed smoothly.
As shown in fig. 2, two parallel finger-pressure plates 16 are vertically disposed on the outer wall of the tip cap 12, and the lower surface of the finger-pressure plate 16 is a concave structure for providing a finger-pressing operation support point for medical staff, so that the medical staff can hold the cannula puncturing device with a hand to perform puncturing operation.
As shown in fig. 4, the contact 21 has a two-stage structure, the upper end of the contact is a hemispherical structure, which can improve the holding comfort of the contact 21 by the palm, the lower end of the contact 21 is a disc-shaped structure, and the diameter of the lower end of the contact 21 is larger than that of the outer wall of the cannula cover 12, which is convenient for taking out the puncture needle 2 from the puncture cannula 1, thereby improving the operation flexibility of the cannula puncture device.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A cannula puncturing device for laparoscopic surgery, comprising a puncturing cannula (1) and a puncturing needle (2) disposed through the puncturing cannula (1), characterized in that:
a tube head cover (12) is arranged at the top of the puncture sleeve (1), and a positioning groove (13) is arranged on the tube head cover (12);
the top of the puncture needle (2) is provided with a contact (21), and the bottom of the contact (21) is provided with a positioning rod (22);
the contact (21) is connected with the tube head cover (12) through the corresponding insertion of the positioning rod (22) and the positioning groove (13);
an internal thread (17) is arranged on the inner wall of the opening end of the puncture sleeve (1), the internal thread (17) is screwed with the external wall thread of the adjusting tube (18), and the inner diameter of the puncture sleeve (1) is adjusted.
2. A cannula-piercing device for laparoscopic surgery according to claim 1, characterized in that: the end part of the adjusting tube (18) which is positioned in the puncture cannula (1) is provided with a guide ring (19), and the guide ring (19) is of an inward inclining structure.
3. A cannula-piercing device for laparoscopic surgery according to claim 1, characterized in that: further comprising a sealing assembly (3);
the sealing assembly (3) comprises a spiral pipe (32), the spiral pipe (32) is in threaded connection with an external thread (11) on the puncture sleeve (1), and a pressing ring (33) perpendicular to the puncture sleeve (1) is arranged at the bottom of the spiral pipe (32).
4. A cannula-piercing device for laparoscopic surgery according to claim 3, characterized in that: the lower surface of the pressing ring (33) is provided with a sponge sheet (34) which is abutted against the skin of the puncture part.
5. A cannula-piercing device for laparoscopic surgery according to claim 3, characterized in that: the upper surface of clamping ring (33) is provided with spacing frame (31) that is used for spacing fixed to medical sticky tape.
6. A cannula-piercing device for laparoscopic surgery according to claim 1, characterized in that: an air receiving pipe (14) is arranged on the outer wall of the pipe head cover (12), and a sealing plug (15) is embedded in the inner wall of the opening end of the air receiving pipe (14).
7. A cannula-piercing device for laparoscopic surgery according to claim 1, characterized in that: the outer wall of the pipe head cover (12) is vertically provided with two parallel finger-pressure plates (16), and the lower surfaces of the finger-pressure plates (16) are of a concave structure.
8. A cannula-piercing device for laparoscopic surgery according to claim 1, characterized in that: the contact (21) is of a two-section structure, the upper end of the contact is of a hemispherical structure, the lower end of the contact is of a disc-shaped structure, and the diameter of the lower end of the contact (21) is larger than that of the outer wall of the pipe head cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011479302.3A CN112545618A (en) | 2020-12-15 | 2020-12-15 | Cannula puncture device for laparoscopic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011479302.3A CN112545618A (en) | 2020-12-15 | 2020-12-15 | Cannula puncture device for laparoscopic surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112545618A true CN112545618A (en) | 2021-03-26 |
Family
ID=75063808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011479302.3A Pending CN112545618A (en) | 2020-12-15 | 2020-12-15 | Cannula puncture device for laparoscopic surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112545618A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749744A (en) * | 2021-10-26 | 2021-12-07 | 南阳医学高等专科学校第一附属医院 | Surgical instrument for thoracic surgery |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204484257U (en) * | 2015-01-29 | 2015-07-22 | 王海波 | A kind of perforator for adiposis patient laparoscopic surgery |
| CN106264683A (en) * | 2016-08-16 | 2017-01-04 | 章正富 | The perforator of reducing |
| CN107049442A (en) * | 2017-06-03 | 2017-08-18 | 成都五义医疗科技有限公司 | A kind of puncture needle and its application method that device is adapted to comprising diameter |
| CN109875658A (en) * | 2019-02-26 | 2019-06-14 | 李树亮 | A kind of laparoscopic surgery filtering puncture outfit |
| CN209404899U (en) * | 2018-12-27 | 2019-09-20 | 北京派尔特医疗科技股份有限公司 | Laparoscope puncture outfit |
| CN209789973U (en) * | 2019-02-25 | 2019-12-17 | 孙芬 | Laparoscope puncture outfit |
| CN211460450U (en) * | 2020-01-09 | 2020-09-11 | 赵曼 | Laparoscope puncture outfit with depth limiting function |
| CN111920490A (en) * | 2020-08-06 | 2020-11-13 | 重庆橙壹科技有限公司 | Spiral telescopic tube assembly for endoscopic surgery |
-
2020
- 2020-12-15 CN CN202011479302.3A patent/CN112545618A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204484257U (en) * | 2015-01-29 | 2015-07-22 | 王海波 | A kind of perforator for adiposis patient laparoscopic surgery |
| CN106264683A (en) * | 2016-08-16 | 2017-01-04 | 章正富 | The perforator of reducing |
| CN107049442A (en) * | 2017-06-03 | 2017-08-18 | 成都五义医疗科技有限公司 | A kind of puncture needle and its application method that device is adapted to comprising diameter |
| CN209404899U (en) * | 2018-12-27 | 2019-09-20 | 北京派尔特医疗科技股份有限公司 | Laparoscope puncture outfit |
| CN209789973U (en) * | 2019-02-25 | 2019-12-17 | 孙芬 | Laparoscope puncture outfit |
| CN109875658A (en) * | 2019-02-26 | 2019-06-14 | 李树亮 | A kind of laparoscopic surgery filtering puncture outfit |
| CN211460450U (en) * | 2020-01-09 | 2020-09-11 | 赵曼 | Laparoscope puncture outfit with depth limiting function |
| CN111920490A (en) * | 2020-08-06 | 2020-11-13 | 重庆橙壹科技有限公司 | Spiral telescopic tube assembly for endoscopic surgery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749744A (en) * | 2021-10-26 | 2021-12-07 | 南阳医学高等专科学校第一附属医院 | Surgical instrument for thoracic surgery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO1994006506A1 (en) | Thoracentesis sheath catheter assembly | |
| CN108272493B (en) | Small-sized laparoscope puncture outfit device | |
| CN112545618A (en) | Cannula puncture device for laparoscopic surgery | |
| CN115998346A (en) | Liver living tissue puncture needle | |
| CN211633511U (en) | Disposable trocar puncture needle | |
| CN210843349U (en) | Abdominal cavity puncture outfit with detachable airtight assembly | |
| CN209153773U (en) | One kind being used for Pedicle of Vertebral Arch of Posterior Spine centrum aspiration biopsy external member | |
| CN109820577B (en) | Combined puncture outfit | |
| CN211300247U (en) | Disposable bidirectional balloon fixed abdominal cavity puncture outfit | |
| CN219185138U (en) | Adsorption type medical auxiliary tool | |
| CN218943456U (en) | Pulmonary nodule puncture locator | |
| CN220001883U (en) | Puncture outfit for laparoscopic surgery | |
| CN215839367U (en) | Puncture outfit convenient to adjust for laparoscope | |
| CN209074803U (en) | A kind of surgical instrument being more conducive to the exposure visual field and Micro-operation | |
| CN108635655A (en) | A kind of closed drainage catheter component | |
| CN220512874U (en) | Lung peripheral lesion biopsy device under bronchoscope | |
| CN113679453B (en) | Multi-angle adjustable puncture device for hepatobiliary surgery | |
| CN219374857U (en) | Adjustable lengthened stamping device | |
| CN213310174U (en) | Air-blocking sealing assembly and puncture outfit | |
| CN213552205U (en) | Pneumothorax puncture needle device | |
| CN211749776U (en) | Fixing component and guiding catheter access and closing device using same | |
| CN219049847U (en) | Single-hole beauty regulating needle | |
| CN217886135U (en) | Adjustable sealing device of abdomen puncture outfit | |
| CN219439360U (en) | Disposable puncture stitching instrument | |
| CN113662601B (en) | External traction device for trans-abdominal body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210326 |
|
| RJ01 | Rejection of invention patent application after publication |