CN219021587U - Disposable marking pen used under laparoscopy - Google Patents

Abstract

The utility model relates to the technical field of medical devices, and discloses a disposable marking pen used under a laparoscope, comprising a pen holder, a pen tip, a pen core, a pen tip and a pen cap that cooperates with the pen tip, and is characterized in that: the front end of the pen holder A plurality of inwardly recessed grooves with a diameter of 30% are arranged at intervals along the circumferential direction of the outer surface, so that they bend in the opposite direction when subjected to external pressure; the protruding tips formed by two adjacent grooves are circular Arc-shaped, the pen holder is cylindrical, the ratio of its diameter to length is 1:30, the pen core is filled with melanin solution, one end of the pen tip is exposed outside the pen head, and the other end is connected to the inside of the pen holder The refill. The utility model has the advantages of simplified structure, low cost and accurate marking, which can provide convenience for clinicians, reduce the difficulty of laparoscopic operation, save disinfection time, and greatly reduce the risk of foreign bodies left in the abdominal cavity.

Description

Disposable marking pen used under laparoscopy

technical field

The utility model relates to the technical field of medical instruments, in particular to a disposable marking pen used under a laparoscope.

Background technique

Since the minimally invasive technique was proposed in the 1990s, it has been widely used in the clinical field with the development of electronics, optics and other technologies. It has become the mainstream trend to complete routine surgical operations with minimally invasive techniques. Laparoscopic technique has been widely used in general surgery, and it has received more and more attention due to its advantages of less trauma, less bleeding, quicker recovery, lower postoperative complications and mortality.

Now various specialties are vigorously developing laparoscopic minimally invasive technology. Now most of the surgical operations are completed under laparoscopy. Laparoscopic surgery requires three 1 cm incisions on the patient's waist, and inserts corresponding surgical instruments into the three incisions. Lengthen the surgical instruments and laparoscope, and complete the operation under the guidance of peripheral electronic display equipment. Laparoscopic instruments are a necessary tool for laparoscopic surgery. In addition, in surgical operations and some medical operations, marking pens have become an indispensable tool for preoperative design and intraoperative positioning marks. At present, doctors generally use ordinary markers. pen, or use a tool to draw the methylene blue injection, or use a special marking pen to mark with a marking pen to avoid unclear information distinction; doctors use a marking pen to mark on the human body in order to achieve accurate marking It is easy to operate, etc., so the role of marker pens in surgical operations should not be underestimated. At present, if it is necessary to mark organs and tissues under laparoscopy, doctors need to use laparoscopic instruments to pick up cotton swabs or other liquids stained with methylene blue. To mark the abdominal cavity, that is, the medical staff need to spend a lot of time marking the parts of the patient's abdominal cavity that require surgery, which not only increases the work intensity of the medical staff, but also delays the progress of the operation. There is a long preparation time. Inaccurate marking may lead to risks such as foreign bodies remaining in the abdominal cavity.

Utility model content

The purpose of this utility model is to solve the shortcomings in the prior art. The utility model proposes a disposable marking pen that can be used under laparoscopy. According to the needs of laparoscopic minimally invasive surgery, through various structures The improved design makes the scribe not only simplified in structure, low in cost, but also accurate in marking, which can provide convenience for clinicians, reduce the difficulty of laparoscopic operation, save disinfection time, and greatly reduce the risk of foreign bodies left in the abdominal cavity. above question.

In order to achieve the above object, the utility model provides the following technical solutions:

A disposable marking pen used under laparoscopy, comprising a pen holder, a pen tip, a pen core, a pen tip and a pen cap that cooperates with the pen tip, and a plurality of inward depressions 30 are arranged at intervals along the circumferential direction of the outer surface of the front end of the pen holder % diameter of the groove, so that it bends in the opposite direction when it is subjected to external pressure; the protruding tips formed by two adjacent grooves are arc-shaped, and the ratio of diameter to length of the pen holder is 1:30 Cylinder, the pen core is filled with melanin solution, one end of the pen tip is exposed outside the pen tip, and the other end is connected to the pen core in the pen shaft.

Further, the nib is engaged with the opening at the front end of the penholder;

Further, the nib is made of high temperature and high pressure resistant soft material, and its tip is wedge-shaped.

Further, the end face of the end where the nib is inserted into the refill is inclined.

Further, the pen barrel includes at least one of the following materials: synthetic rubber, silicone rubber, and thermoplastic elastomer.

Further, the refill is a columnar structure made of water-absorbing material.

Further, the front end of the pen holder is curved with a bending angle of 45°-80°.

Compared with the prior art, the beneficial effects of the utility model are:

1. According to the needs of laparoscopic minimally invasive surgery, the utility model has carried out various structural improvement designs. A plurality of inwardly concave grooves with a diameter of 30% are arranged at intervals on the front end of the pen holder along the circumferential direction of the outer surface, so that it can It bends in the opposite direction when it is subjected to external pressure; due to the limited operating space for medical staff under the laparoscope and the influence of the position of the puncture device, if the pen used at ordinary times is straight, it is difficult for medical staff to operate, and the curved pen holder can Let the medical staff see the position of the pen tip more clearly, and clearly know the part where the patient needs to draw a line, so as to avoid inaccurate marking;

2. The utility model adopts the arc-shaped design of the protruding tip formed by two adjacent grooves, so as to avoid scratching the patient when drawing a line in the abdominal cavity;

3. The utility model adopts a cylindrical pen holder with a slender design whose diameter to length ratio is 1:30, so that the pen holder can pass through the puncture device to the abdominal cavity to mark the target organ or tissue;

4. The utility model is equipped with melanin solution in the pen core, one end of the pen tip is exposed outside the pen tip, and the other end is connected to the pen core in the pen holder. The carboxy blue liquid is marked under the abdominal cavity, that is, the medical staff no longer need to spend a lot of time marking the parts of the patient's abdominal cavity that require surgery, thereby reducing the work intensity of the medical staff, ensuring the progress of the operation, and shortening the time. It takes less time to prepare, and solves the risks of inaccurate marking and easy foreign bodies left in the abdominal cavity.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the disposable marking pen of the utility model embodiment;

Fig. 2 is a schematic diagram of the main structure of the disposable marking pen according to the embodiment of the utility model;

Fig. 3 is a schematic cross-sectional structure diagram of a disposable marking pen according to an embodiment of the present invention;

Fig. 4 is a schematic cross-sectional structure diagram of a disposable marking pen according to an embodiment of the present invention;

Fig. 5 is the partially enlarged structural schematic diagram of Fig. 2 of the present utility model;

Fig. 6 is a front structural schematic diagram of a disposable marking pen according to another embodiment of the present invention.

In the figure: 1, pen holder; 2, pen tip; 3, pen core; 4, pen tip; 5, pen cap; 6, groove.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

Please refer to Fig. 1-5, the disposable marking pen used under laparoscopy provided by the present embodiment includes a pen holder 1, a pen tip 2, a pen core 3, a pen tip 4 and a pen cap 5 cooperating with the pen tip, the front end of the pen holder A plurality of grooves 6 concaved inward by 30% of the diameter are arranged at intervals along the circumferential direction of the outer surface, so that they bend in the opposite direction when subjected to external pressure; the protruding tips formed by two adjacent grooves 6 It is arc-shaped, and the pen holder 1 is a cylinder with a ratio of diameter to length of 1:30. The pen core 3 is filled with melanin solution, and one end of the pen tip 4 is exposed outside the pen tip 2, and the other end is in the The pen core 3 is connected inside the pen holder 1 .

The nib 2 is clamped with the front opening of the pen holder 1; the nib 4 is made of a soft material resistant to high temperature and high pressure, and its tip is wedge-shaped; the end face of the end of the nib 4 inserted into the refill 3 is a slope; the pen holder 1 includes the following At least one of the materials: synthetic rubber, silicone rubber, and thermoplastic elastomer; the pen core 3 is a columnar structure made of water-absorbing material.

Working principle: When in use, when performing laparoscopic-related minimally invasive surgery, the medical staff first punctures the corresponding part of the patient with a disposable laparoscopic puncture device, puts it into the laparoscope, and after viewing the part that needs surgery, then uses another A laparoscope with a diameter of 12mm is punctured with a puncture device. After the puncture is completed, the cap of the disposable marking pen provided by the utility model is opened, and the marking pen is inserted into the patient's body along the puncture device. For the site requiring surgery, use the pliers to grasp the groove of the marking pen and gently bend it so that the tip of the marking pen is fully exposed in front of the camera. The doctor can draw a line and mark the surgical site in the abdominal cavity according to the image After drawing the marking line, use the pliers to straighten the pen holder, take out the marking pen, and complete the marking work, which is convenient for the doctor to perform follow-up operations, and prevents the doctor from using laparoscopic instruments to clamp cotton swabs or other liquids stained with methylene blue into the abdominal cavity If the underlined mark is removed, there is a risk of foreign bodies remaining in the abdominal cavity.

Embodiment two

Please refer to accompanying drawing 6, another kind of disposable marking pen used under laparoscopy provided by the embodiment has the same technical concept and basic structure as the first embodiment, the difference is that the front end of the pen holder 1 is curved shape and the bending angle is 45°～80°, and the distance is 10mm-12mm. In this embodiment, the front end of the pen holder 1 is directly bent, and the pen holder 1 is directly inserted into the patient's body along the puncture device for marking, which saves the need for doctors during the operation. The action of gently bending the barrel groove of the scribe marker pen with the grasping forceps improves the efficiency of the operation.

The above-mentioned embodiment of the utility model focuses on the needs of laparoscopic minimally invasive surgery, through structural improvement and design in various aspects, the scribe pen is not only simplified in structure, low in cost, but also accurate in marking, which can provide convenience for clinicians. It reduces the difficulty of laparoscopic operation, saves disinfection time, and greatly reduces the risk of foreign bodies left in the abdominal cavity.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A disposable marking pen used under laparoscopy, comprising a pen holder (1), a pen tip (2), a pen core (3), a pen tip (4) and a pen cap (5) cooperating with the pen tip (2) , characterized in that: the front end of the penholder (1) is provided with a plurality of inwardly recessed grooves (6) with a diameter of 30% at intervals along the circumferential direction of the outer surface, so that it bends in the opposite direction when it is subjected to external pressure; The protruding tips formed adjacent to the two grooves (6) are arc-shaped, the pen holder (1) is a cylinder with a ratio of diameter to length of 1:30, and the pen core (3) is equipped with For a methylene blue liquid solution, one end of the pen tip (4) is exposed outside the pen tip (2), and the other end is connected to the pen core (3) in the pen holder (1). 2 . The disposable marking pen used under laparoscopy according to claim 1 , characterized in that: the pen tip ( 2 ) is engaged with the front opening of the pen holder ( 1 ). 3. The disposable marking pen used under laparoscopy according to claim 1, characterized in that: the pen tip (4) is made of a soft material resistant to high temperature and high pressure, and its tip is wedge-shaped. 4. The disposable marking pen used under laparoscopy according to claim 2, characterized in that: the end surface of the pen tip (4) inserted into the pen core (3) is an inclined plane. 5. The disposable marking pen used under laparoscopy according to claim 1, characterized in that: said pen holder (1) comprises at least one of the following materials: synthetic rubber, silicone rubber, and thermoplastic high Body. 6. The disposable marking pen used under laparoscopy according to claim 1, characterized in that: the pen core (3) is a columnar structure made of water-absorbing material. 7. The disposable marking pen used under laparoscopy according to claim 1, characterized in that: the front end of the pen holder (1) is curved with a bending angle of 45°-80°.

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