CN112754625A - Puncture cannula ware of steerable degree of depth for peritoneoscope - Google Patents
Puncture cannula ware of steerable degree of depth for peritoneoscope Download PDFInfo
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- CN112754625A CN112754625A CN202110256914.4A CN202110256914A CN112754625A CN 112754625 A CN112754625 A CN 112754625A CN 202110256914 A CN202110256914 A CN 202110256914A CN 112754625 A CN112754625 A CN 112754625A
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- depth
- main sleeve
- connecting rod
- sliding ring
- laparoscope
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- 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
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- 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
- A61B17/3476—Powered trocars, e.g. electrosurgical cutting, lasers, powered knives
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- 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
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
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- 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
- A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- 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
- A61B2017/3419—Sealing means between cannula and body
-
- 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
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0801—Prevention of accidental cutting or pricking
- A61B2090/08021—Prevention of accidental cutting or pricking of the patient or his organs
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a puncture cannula device with controllable depth for laparoscope, which comprises an air inlet, a valve, an air leakage prevention valve, an instrument opening, an anti-skidding tooth, a spring, a connecting rod, a handle, an anti-skidding pad, a main cannula tube, a cannula inclined plane and a sliding ring, wherein the air inlet is communicated with the air leakage prevention valve; this puncture cannula ware of steerable degree of depth for peritoneoscope, can control the degree of depth that puncture sheathed tube main sleeve pipe got into patient's stomach wall according to the operation needs, in laparoscopic surgery, it is too dark to meet puncture sheathed tube main sleeve pipe entering patient's abdominal cavity, surgical instruments that the operation doctor used, behind puncture sheathed tube main sleeve pipe, sleeve inclined plane department influences surgical instruments and opens a mouthful and closed use and when operating, slide the sliding ring of this apparatus, the degree of depth of steerable main sleeve pipe hole in patient's peritoneoscope, conveniently fix and reduce the influence of main sleeve pipe to surgical instruments, through clinical practice, this apparatus convenient to use, operation safety.
Description
Technical Field
The invention relates to the technical field of laparoscope application, in particular to a depth-controllable puncture cannula device for a laparoscope.
Background
The development of modern medicine, minimally invasive surgery has been the development direction of surgical operation, minimally invasive surgery has the advantages of small wound, quick recovery and less pain, and is the object and direction commonly pursued by modern medicine. In the laparoscopic surgery process, when a conventional puncture cannula device is used, the following situations are often encountered, when a puncture cannula is arranged by a surgeon, an overlarge skin incision of the puncture cannula is encountered, or the surgery time is too long, an overlarge gap is generated between the placed puncture cannula and a puncture hole, the puncture cannula can slide into an abdominal cavity through the overlarge skin incision, and the closing and the opening of scissors or a jaw of a laparoscopic surgical instrument are influenced by the surgeon when the laparoscopic surgical instrument performs the surgery through the puncture cannula device due to the fact that the puncture cannula device entering the abdominal cavity of a patient is too much and too deep and can often occur; sometimes, the main cannula of the laparoscope puncture cannula needs to enter into the abdominal cavity more than needed, the live-line operation end of the laparoscope live-line operation instrument is protected through the wall of the puncture cannula, and the side injury is prevented.
Contents of the invention
The invention aims to provide a puncture cannula device with controllable depth for a laparoscope, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a puncture cannula device with controllable depth for laparoscope comprises an air inlet, a valve, an air leakage prevention valve, an instrument port, an anti-slip tooth, a spring, a connecting rod, a handle, an anti-slip pad, a main cannula tube, a cannula inclined plane and a sliding ring; the method is characterized in that: the inflation inlet is connected with the main sleeve barrel through a valve; the rear part of the instrument opening is connected with an air leakage prevention valve; the anti-skid teeth are arranged on one half of the cylinder wall of the main sleeve, and a sleeve inclined plane is arranged at the other end of the main sleeve; one end of the sliding ring is sleeved on the main sleeve pipe, and the other end of the sliding ring is fixed on the anti-skid teeth by the anti-skid pad; the spring is sleeved on the connecting rod and positioned between the sliding ring and the anti-skid pad; one end of the connecting rod is connected with the handle, and the other end of the connecting rod is connected with the non-slip mat.
Furthermore, the inflation port can be communicated with an operation room pneumoperitoneum apparatus, and the other end of the inflation port is communicated with the main sleeve through valve control.
Furthermore, the instrument port is a main channel port of the laparoscopic surgical instrument, and an air leakage prevention valve which is made of rubber and can prevent air leakage is arranged behind the instrument port.
Furthermore, anti-skid teeth with a small tooth-shaped structure are arranged on one half of the tube wall of the main sleeve, and the tail end of the main sleeve is of a sleeve inclined surface structure convenient for puncture.
Further, the sliding ring is of a double-ring-shaped structure capable of sliding back and forth on the main sleeve barrel.
Furthermore, the spring is a spring which is arranged in the sliding ring and has an outer elasticity, wherein one end of the spring is fixed on the anti-slip pad made of rubber materials through a connecting rod, and the other end of the spring is fixed on the inner wall of the sliding ring.
Further, the connecting rod is a movable connecting rod, one end of the connecting rod is fixedly connected with the handle, and the other end of the connecting rod is fixedly connected with the non-slip mat made of rubber.
Furthermore, the rubber anti-skid pad is fixed on the anti-skid teeth of the main sleeve pipe under the action of the elastic force of the spring in a natural state.
Compared with the prior art, the puncture cannula device capable of controlling the depth for the laparoscope can effectively control the depth and the distance of the puncture cannula entering the abdominal wall of a patient during laparoscopic surgery, reduce the influence on suture surgical instruments used by a surgeon after the head end of the puncture cannula enters the abdominal cavity too much, and simultaneously control the main cannula tube entering more puncture cannula in the abdominal cavity, so that the tube wall of the main cannula tube can isolate and protect electrified surgical instruments used in the surgery, and side damage can be prevented. The laparoscopic surgery is an operation of performing an operation on a pathological tissue organ in the abdominal cavity of a patient after a puncture cannula is placed on the abdominal wall of the patient, the depth of the puncture cannula entering the abdominal cavity of the patient needs to be adjusted in some operations, and then different operation operations are performed, for example, when a surgeon uses an electric knife and an electrified separating forceps under the laparoscopic hernia repair (TEP), a puncture cannula tube needs to enter the abdominal cavity of the patient more, the electric knife or the electrified separating forceps can be protected from damaging normal tissues around an operation area through the wall insulation effect of the puncture cannula, and when only the tissues need to be separated, pulled and sutured, the puncture cannula needs to enter the abdominal cavity of the patient less, so that the operation suturing operation of a surgeon is prevented from being influenced after the puncture cannula tube enters the abdominal cavity too much; so extract repeatedly, with insert the puncture cannula ware, the puncture cannula ware can become loose with the puncture hole that the stomach wall was established, the puncture cannula hole of grow and the clearance between the puncture cannula pipe, can lead to under the natural state, the puncture cannula ware slides in patient's stomach wall puncture cannula hole, influence operation, do not have the puncture cannula ware of dedicated steerable puncture cannula entering depth clinically at present, this surgical instrument can compensate clinical blank, after the puncture cannula connection is established to patient's stomach wall, according to the operation needs of the person of performing the operation in the operation, through adjusting the slipmat, control sliding ring position, and then control main sleeve pipe section of thick bamboo gets into patient's abdominal cavity degree of depth, help the various circumstances of operation doctor according to the operation needs, through clinical practice, this apparatus, the adjustment is convenient, in a flexible way, the operation is safe.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
in the reference symbols: the device comprises an air inlet 1, a valve 2, an air leakage prevention valve 3, an instrument opening 4, an anti-skid tooth 5, a spring 6, a connecting rod 7, a handle 8, an anti-skid pad 9, a main sleeve barrel 10, a sleeve inclined plane 11 and a sliding ring 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the invention without making any creative effort, fall within the protection scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: a puncture cannula device with controllable depth for laparoscope comprises an air inlet 1, a valve 2, an air leakage prevention valve 3, an instrument opening 4, an anti-skid tooth 5, a spring 6, a connecting rod 7, a handle 8, an anti-skid pad 9, a main cannula tube 10, a cannula inclined plane 11 and a sliding ring 12; the inflation inlet 1 is connected with the main sleeve barrel 10 through a valve 2; the rear part of the instrument opening 4 is connected with an air leakage prevention valve 3; the anti-skid teeth 5 are arranged on the upper half of the wall of the main sleeve barrel 10, and the sleeve inclined plane 11 is arranged at the other end of the main sleeve barrel; one end of the sliding ring 12 is sleeved on the main sleeve pipe 10, and the other end of the sliding ring is fixed on the anti-skid tooth 5 by the anti-skid pad 9; the spring 6 is sleeved on the connecting rod 7 and is positioned between the sliding ring 12 and the anti-skid pad 9; one end of the connecting rod 7 is connected with the handle 8, and the other end is connected with the non-slip mat 9.
Furthermore, the inflation inlet 1 can be communicated with an operation room pneumoperitoneum apparatus, and the other end is controlled by a valve 2 to be communicated with the main sleeve barrel 10.
Further, the instrument port 4 is a main channel port of a laparoscopic surgical instrument, and an air leakage prevention valve 3 made of rubber and capable of preventing air leakage is arranged behind the instrument port 4.
Furthermore, the half pipe wall of the main sleeve barrel 10 is provided with anti-skid teeth 5 with a small tooth-shaped structure, and the tail end of the main sleeve barrel is provided with a sleeve inclined surface 11 structure convenient for puncture.
Further, the sliding ring 12 is a double ring structure that can slide back and forth on the main sleeve 10.
Further, the spring 6 is a spring 6 which is arranged in the sliding ring 12, passes through the connecting rod 7, has one end fixed on the rubber non-slip mat 9 and one end fixed on the inner wall of the sliding ring 12 and has external elasticity.
Further, the connecting rod 7 is a movable connecting rod 7, one end of the connecting rod is fixedly connected with the handle 8, and the other end of the connecting rod is fixedly connected with the non-slip mat 9 made of rubber.
Further, the rubber mat 9 is fixed on the anti-slip teeth 5 of the main sleeve 10 under the action of the elastic force of the spring 6 in a natural state.
The specific connecting structure of the instrument of the invention is as follows: the inflation inlet 1 can be communicated with an inflation pipeline which is commonly used in an operating room; the movable valve 2 can control the communication between the inflation inlet 1 and the main sleeve barrel 10; the instrument port 4 is a main channel port of the laparoscopic surgical instrument, the two layers of air leakage preventing valves 3 made of rubber and used for preventing air leakage are arranged behind the instrument port 4, and the air leakage preventing valves 3 made of rubber can prevent the overflow of air in the abdominal cavity when the laparoscopic surgical instrument passes through the instrument port and the laparoscopic surgical instrument is used; the main sleeve 10 is a main channel of the laparoscopic surgical instrument, and the front of the main sleeve 10 is of an inclined plane structure, so that the puncture sleeve is convenient to place; a sliding ring 12 capable of sliding back and forth is arranged on the main sleeve barrel 10, the sliding ring 12 is in a double-ring structure, a smaller inner ring is sleeved on the main sleeve barrel 10, one end of a larger outer ring is provided with a fixed sliding ring 12 structure, and the fixed sliding ring 12 structure comprises an outer elastic spring 6 structure, one end of the outer elastic spring is fixed on a rubber antiskid pad 9, and the other end of the outer elastic spring is fixed on the inner wall of the sliding ring 12; under the action of the elastic force of the spring 6, the rubber anti-skid pad 9 is firmly clamped on the anti-skid teeth 5 of the main sleeve pipe 10; the connecting rod 7 passes through the outer ring of the sliding ring 12, one end of the connecting rod is fixed on the rubber antiskid pad 9, and the other end of the connecting rod is fixed on the handle 8.
This puncture cannula ware benefit of steerable degree of depth for peritoneoscope does: the depth of the main cannula tube 10 entering the abdominal cavity of a patient can be conveniently, quickly and firmly adjusted by adjusting the position of the anti-skid ring 12 on the main cannula tube 10 according to the needs of the operation to assist the operation; during laparoscopic surgery, different puncture cannula devices are placed at different positions according to the surgical requirements, after the puncture cannula devices are placed, surgical instruments enter and exit the abdominal cavity of a patient through the main cannula tube 10 of the puncture cannula devices, and surgical operation is carried out, sometimes, because the surgical space is small, when the laparoscopic hernia repair (TEP) is performed outside the whole peritoneum, the depth of the main cannula tube 10 of the puncture cannula devices entering the abdominal cavity of the patient is adjusted at any time according to the surgical operation requirements in the surgery, when an electric knife, an electrified electric scissors and an electrified tissue forceps for laparoscopy are used, the puncture cannula needs to be placed at a deep point, the outer handle 8 and the spring 6 are compressed, the anti-skid pad 9 leaves the anti-skid teeth 5 on the main cannula tube 10, the sliding ring 12 can be moved, the sliding ring 12 is adjusted to be far away from the sleeve inclined plane 11, so that the length of the main cannula tube 10 entering the abdominal cavity of the patient is increased, and after, the handle 8 is loosened, the anti-skid pad 9 is clamped on the anti-skid teeth 5 of the main cannula tube 10 under the elastic force action of the spring 6, the sliding ring 12 is fixed at the fixed position of the main cannula tube 10, and at the moment, during the operation, the live surgical instrument can be protected by using the wall of the main cannula tube 10 of the puncture cannula device, so that the tissue is prevented from being damaged by mistake when an electrotome, a live electric scissors and a live tissue forceps are used for a laparoscope; when tissue suturing and traction treatment are required under a laparoscope, the outer handle 8 and the spring 6 are compressed, the anti-skid pad 9 leaves the anti-skid teeth 5, the sliding ring 12 is moved, the side of the sliding ring 12 close to the inclined surface 11 of the sleeve can be adjusted, the length of the main sleeve tube 10 entering the abdominal cavity of a patient is reduced, the wall of the main sleeve tube 10 is prevented from entering the abdominal cavity of the patient too much, the main sleeve tube 10 influences a suturing device when tissue suturing and traction operation are carried out on a surgical operator, and the sliding ring 12 is larger than a puncture hole of the patient after the position of the sliding ring 12 is adjusted, so that the sliding ring 12 is clamped at the abdominal wall of the patient, the instrument can achieve the effect of adjusting the length of the main sleeve tube 10 entering the abdominal wall of the patient, which cannot be achieved by the existing puncture instrument, and can be used clinically, the surgical instrument is convenient to use, and can rapidly, flexibly and firmly adjust the length of the main sleeve tube 10 of the, the effect is satisfactory and exact.
The specific use method of the puncture cannula device with the depth controllable for the laparoscope comprises the following steps: during laparoscopic surgery operation, when meeting the condition that according to the operation needs, the depth of adjustment main sleeve pipe 10 is different in the abdominal cavity, if the full peritoneum external hernia repair operation of peritoneoscope (TEP), the operation space is narrow and small, changes according to the condition in the art at any time, when the main sleeve pipe 10 of adjustment puncture sleeve pipe ware is at patient's abdominal cavity degree of depth, corresponding effect of realization that this surgical instruments can be fine. Firstly, after a hole is opened on the abdominal wall of a patient, a puncture cannula is arranged, when an electrotome, an electrified electric scissors and an electrified tissue forceps for a laparoscope are used in the operation process under the laparoscope, because the operation space is narrow due to the laparoscopic hernia repair surgery (TEP) outside the whole abdominal wall, and an electrified surgical instrument can generate auxiliary damage to the normal tissue of the operation area, the depth of a main cannula tube 10 of the puncture cannula instrument can be adjusted, the length of the main cannula tube 10 entering the abdominal wall of the patient is increased, the charged part of the electrotome, the electrified electric scissors and the electrified tissue forceps for the laparoscope can be protected by the tube wall of the main cannula tube 10, when the operation is carried out, an operator pulls a handle 8 and a sliding ring 12 outwards, under the action of a connecting rod 7, a spring 6 is compressed, an anti-skid pad 9 is separated from teeth 5, the sliding ring 12 is moved to the end 4 of the instrument mouth until the main cannula 10 entering the abdominal cavity reaches a proper, the handle 8 is loosened, under the elastic force action of the spring 6, the anti-slip pad 9 clamps the anti-slip teeth 5 again, the sliding ring 12 can be firmly fixed on the proper position of the main sleeve 10 entering the abdominal cavity of the patient, the diameter of the sliding ring 12 is far larger than that of the puncture hole, the sliding ring 12 is clamped and fixed on the abdominal wall of the puncture hole of the patient, the depth of the main sleeve 10 penetrating into the abdominal wall of the patient is kept unchanged, and the cooperation operation is carried out; when the suturing operation of tissues in an abdominal cavity is needed, the surgical suturing operation is affected when the main cannula tube 10 enters too much into the abdominal cavity of a patient, at the moment, when the depth of the main cannula tube 10 entering the abdominal wall of the patient needs to be reduced, an operator pulls the handle 8 outwards, the spring 6 is compressed under the action of the connecting rod 7, the anti-slip pad 9 leaves the anti-slip tooth 5, at the moment, after the sliding ring 12 is adjusted to a proper position suitable for the length of the main cannula tube 10 sutured by the operator, the handle 8 is loosened, the anti-slip tooth 5 is clamped again by the anti-slip pad 9 under the elastic force of the spring 6, the sliding ring 12 is fixed at the outer puncture hole of the abdominal wall of the patient, the diameter of the sliding ring 12 is far larger than that of the puncture hole, the sliding ring 12 can keep the depth of the main cannula tube 10 entering the abdominal wall of the patient unchanged. Through clinical use, the device can well control and keep the depth of the main sleeve barrel 10 entering a puncture hole in the abdominal wall of a patient unchanged, effectively prevent the puncture sleeve from sliding in different depths, and through clinical use, the device is convenient, flexible and safe to use, and overcomes the defect that similar devices do not exist in clinic.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A puncture cannula device with controllable depth for laparoscope comprises an air inlet, a valve, an air leakage prevention valve, an instrument port, an anti-slip tooth, a spring, a connecting rod, a handle, an anti-slip pad, a main cannula tube, a cannula inclined plane and a sliding ring; the method is characterized in that: the inflation inlet is connected with the main sleeve barrel through a valve; the rear part of the instrument opening is connected with an air leakage prevention valve; the anti-skid teeth are arranged on one half of the cylinder wall of the main sleeve, and a sleeve inclined plane is arranged at the other end of the main sleeve; one end of the sliding ring is sleeved on the main sleeve pipe, and the other end of the sliding ring is fixed on the anti-skid teeth by the anti-skid pad; the spring is sleeved on the connecting rod and positioned between the sliding ring and the anti-skid pad; one end of the connecting rod is connected with the handle, and the other end of the connecting rod is connected with the non-slip mat.
2. The laparoscope depth-controllable puncture cannula device of claim 1, which is characterized in that: the inflation inlet can be communicated with the pneumoperitoneum apparatus in the operating room, and the other end is communicated with the main sleeve through valve control.
3. The laparoscope depth-controllable puncture cannula device of claim 1, which is characterized in that: the instrument port is a main channel port of a laparoscopic surgical instrument, and an air leakage prevention valve which is made of rubber and can prevent air leakage is arranged behind the instrument port.
4. The laparoscope depth-controllable puncture cannula device of claim 1, which is characterized in that: the anti-skid teeth with small tooth-shaped structures are arranged on one half pipe wall of the main sleeve pipe, and the tail end of the main sleeve pipe is of a sleeve inclined surface structure convenient for puncture.
5. The laparoscope depth-controllable puncture cannula device of claim 1, which is characterized in that: the sliding ring is of a double-ring-shaped structure capable of sliding back and forth on the main sleeve barrel.
6. The laparoscope depth-controllable puncture cannula device of claim 1, which is characterized in that: the spring is a spring which is arranged in the sliding ring, has one end fixed on the anti-slip pad made of rubber materials through a connecting rod, has one end fixed on the inner wall of the sliding ring and has external elasticity.
7. The laparoscope depth-controllable puncture cannula device of claim 1, which is characterized in that: the connecting rod is a movable connecting rod, one end of the connecting rod is fixedly connected with the handle, and the other end of the connecting rod is fixedly connected with the non-slip mat made of rubber.
8. The laparoscope depth-controllable puncture cannula device of claim 1, which is characterized in that: the rubber anti-skid pad is fixed on the anti-skid teeth of the main sleeve pipe under the action of the elastic force of the spring in a natural state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110256914.4A CN112754625A (en) | 2021-03-09 | 2021-03-09 | Puncture cannula ware of steerable degree of depth for peritoneoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110256914.4A CN112754625A (en) | 2021-03-09 | 2021-03-09 | Puncture cannula ware of steerable degree of depth for peritoneoscope |
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| CN112754625A true CN112754625A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110256914.4A Pending CN112754625A (en) | 2021-03-09 | 2021-03-09 | Puncture cannula ware of steerable degree of depth for peritoneoscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349899A (en) * | 2021-07-15 | 2021-09-07 | 常州安康医疗器械有限公司 | Multifunctional puncture outfit for laparoscopic surgery |
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2021
- 2021-03-09 CN CN202110256914.4A patent/CN112754625A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349899A (en) * | 2021-07-15 | 2021-09-07 | 常州安康医疗器械有限公司 | Multifunctional puncture outfit for laparoscopic surgery |
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