CN217793155U

CN217793155U - Measuring tool in laparoscopy

Info

Publication number: CN217793155U
Application number: CN202221574046.0U
Authority: CN
Inventors: 胡志伟; 张美光; 吴继敏
Original assignee: Rocket Force Characteristic Medical Center of PLA
Current assignee: Rocket Force Characteristic Medical Center of PLA
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-11-15
Anticipated expiration: 2032-06-22

Abstract

The disclosure relates to the technical field of medical instruments, in particular to a measuring tool in laparoscopy, which comprises a handheld device, a measuring scale and a mounting seat, wherein the handheld device comprises a main rod and a forceps handle, the main rod extends into an abdominal cavity, the forceps handle is used for being held by a user, the main rod is smoothly and excessively connected with the forceps handle, the main rod is provided with a cavity, and the main rod is arranged in a columnar structure; the mounting seat is rotatably mounted with the left end of the main rod; the dipperstick for measure the length of the tissue in the abdominal cavity, and the mount pad is arranged in to the one end of dipperstick. The measuring scale is arranged on the handheld device and is sent into the abdominal cavity together, the measuring scale is suitable for measuring different abdominal tissues by setting different lengths of the measuring scale, and scales are arranged on the measuring scale, so that a user can read the abdominal tissues more visually and accurately during an operation, namely, the abdominal tissues can be read in the abdominal cavity; simultaneously the dipperstick rotates with the mobile jib and installs, and the dipperstick of being convenient for changes measurement angle in the abdominal cavity.

Description

Measuring tool in laparoscopy

Technical Field

The present disclosure relates to the technical field of medical equipment, and particularly to a measuring tool in laparoscopy.

Background

At present, the laparoscopic technology becomes a main development direction in the surgical field, and various related instruments are continuously developed and perfected, but no measuring device suitable for being used under the laparoscopic measuring device is seen all the time. The measurement methods of the laparoscopic measurement devices commonly used at present include: the hard die guide pipe is used for measurement, but the guide pipe is hard and brittle, is easy to break, is not accurate enough in measurement, and is difficult to read under a laparoscopic measurement device; in-vitro measurement method, namely, an anatomical point in vivo is marked outside the body, and then the distance outside the body is measured, the measurement precision of the method is poor, and the method is easily influenced by the deformation of self tissues; the length is marked in vivo using other measuring tools and then measured in vitro, the angle of measurement of which is significantly affected by the puncture location and in most cases the two expected anatomical locations cannot be located accurately.

In view of the above, the conventional laparoscopic measuring tool has many disadvantages, and therefore, in order to solve the above problems, the present disclosure provides a new laparoscopic measuring tool.

SUMMERY OF THE UTILITY MODEL

The present disclosure provides a measurement tool in laparoscopy to solve the technical problem recognized by the inventor that the measurement precision in laparoscopy is not accurate enough.

The present disclosure provides a measuring tool in laparoscopy, comprising:

a handpiece comprising a main shaft for extending into the abdominal cavity and a forceps handle for a user to hold, the main shaft being in smooth transition with the forceps handle, wherein the main shaft has a cavity;

the mounting seat is rotatably mounted with one end of the main rod;

a measuring scale for measuring the length of tissue within the abdominal cavity, and one end of the measuring scale is disposed on the mounting seat.

In any of the above technical solutions, further, the measuring ruler has scale marks thereon.

In any of the above technical solutions, further, the handset further includes a pin, the main rod has a closed end, the pin penetrates through the closed end, and the pin is connected to the mounting seat.

In any one of the above technical solutions, the mobile terminal further includes an adjusting member, the adjusting member includes a first chain wheel, a chain and a second chain wheel, the first chain wheel is fixedly installed on the pin shaft, the first chain wheel is connected with the second chain wheel through the chain, and the second chain wheel is arranged on the main rod.

In any of the above technical solutions, further, a through hole has been seted up on the mobile jib, the second sprocket passes through the connecting axle and is in through hole internal rotation installation.

In any of the above technical solutions, further, two opposite sides of the second sprocket are provided with driving wheels, the two driving wheels are respectively connected to the connecting shaft, the two driving wheels are respectively connected to the second sprocket, and the driving wheels are used for driving the second sprocket to rotate by a user.

In any of the above technical solutions, further, two of the driving wheels are provided with anti-slip threads for increasing the friction force of the hand of the user.

In any of the above technical solutions, further, the material of the measuring ruler is one of TPU, PVC, medical rubber or medical silica gel.

In any of the above technical solutions, further, the main rod is arranged in a columnar structure.

In any of the above technical solutions, further, the material of the handset is one of stainless steel, titanium alloy, nickel-based alloy, inconel, or plastic.

The beneficial effect of this disclosure mainly lies in:

1. this is disclosed through the design of handheld ware, dipperstick, mount pad, makes the dipperstick rotate to install on the mobile jib of handheld ware, gets into the patient abdominal cavity jointly with handheld ware with dipperstick, mount pad, when needing to measure, through the blocking effect of tissue to the dipperstick in the abdominal cavity to make the dipperstick take place to rotate, the dipperstick is the angular design with the mobile jib promptly, and then can carry out the measurement of a plurality of angles to the tissue in the abdominal cavity.

2. This is disclosed through the design of first sprocket, chain, second sprocket, when needs are measured abdominal cavity tissue, the user is rotatory through driving the second sprocket, utilizes the meshing transmission principle between sprocket and the chain, and makes the indirect dipperstick rotation that drives of first sprocket, and convenient to use person controls the angle that the dipperstick measured.

3. According to the measuring tool in the laparoscopic surgery, the part extending into the abdominal cavity of a patient is hermetically arranged, so that the measuring tool can be conveniently cleaned and sterilized for multiple times after the surgery is completed, and medical resources are saved.

It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic top view of a metrology tool in accordance with an embodiment of the present disclosure;

FIG. 2 is a schematic plan view of a measurement tool according to an embodiment of the disclosure;

FIG. 3 is a schematic plan view of a measurement tool in use according to an embodiment of the present disclosure;

FIG. 4 is a schematic side view of a measurement tool according to an embodiment of the disclosure;

FIG. 5 is a cross-sectional structural schematic view of a measurement tool of an embodiment of the present disclosure;

FIG. 6 is an enlarged schematic view at A of FIG. 5 in accordance with an embodiment of the present disclosure;

fig. 7 is an enlarged schematic view at B of fig. 5 in the embodiment of the present disclosure.

Icon:

100-a handset; 101-main rod; 102-a forceps handle; 103-a cavity; 104-a measuring scale; 105-a mount; 106-graduation mark; 107-pin shaft; 108-closed end; 109-an adjustment member; 110-a first sprocket; 111-a chain; 112-a second sprocket; 113-a via; 114-a connecting shaft; 115-driving wheels.

Detailed Description

The technical solutions of the present disclosure will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present disclosure, but not all embodiments.

All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing and simplifying the present disclosure, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present disclosure, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.

Referring to fig. 1, 2, 3, 4 and 5, in one or more embodiments, the present disclosure provides a laparoscopic measuring tool, including a hand-held device 100, a measuring ruler 104 and a mounting base 105, where the hand-held device 100 includes a main rod 101 extending into an abdominal cavity and a forceps handle 102 for a user to hold, the main rod 101 and the forceps handle 102 are smoothly connected, i.e., the connection is an arc-shaped structure, where the main rod 101 has a cavity 103, and the main rod 101 is arranged in a column-shaped structure; the mounting base 105 is rotatably mounted with the left end of the main rod; the dipperstick 104 for measure the length of the tissue in the abdominal cavity, and the mount pad is placed in to the right-hand member of dipperstick 104. Specifically, the rotation direction is a direction in which the mount 105 rotates around the main lever 101 in the forward or reverse direction.

This is disclosed through the design of handheld ware 100, dipperstick 104, mount pad 105, make dipperstick 104 rotate and install on the mobile jib 101 of handheld ware 100, with dipperstick 104, mount pad 105 with the handheld ware 100 common entering patient's abdominal cavity, when needing to measure, through the effect of blockking of tissue in the abdominal cavity to dipperstick 104 to make dipperstick 104 take place to rotate, dipperstick 104 is the angular design with mobile jib 101 promptly, and then can carry out the measurement of a plurality of angles to the tissue in the abdominal cavity.

In the present embodiment, the measuring ruler 104 has scale lines 106, and the scale lines 106 are respectively marked with different colors to facilitate the reading of the user.

In this embodiment, the handset 100 further comprises a pin 107, the main rod 101 has a closed end 108, the pin 107 is disposed through the closed end 108, and the pin 107 is connected to the mounting base 105. Specifically, the closed end 108 is fixedly connected to the main rod 101, the closed end 108 has an arc structure, the pin 107 is inserted into an end of the closed end 108 and rotatably mounted to the closed end 108, and two ends of the mounting seat 105 are fixedly connected to two ends of the pin 107.

Referring to fig. 6 and 7, in some embodiments, the adjusting device 109 further includes a first sprocket 110, a chain 111, and a second sprocket 112, the first sprocket 110 is fixedly mounted on the pin 107, the first sprocket 110 and the second sprocket 112 are connected by the chain 111, and the second sprocket 112 is disposed on the main rod 101; the main rod 101 is provided with a through hole 113, and the second chain wheel 112 is rotatably arranged in the through hole 113 through a connecting shaft 114; two opposite sides of the second sprocket wheel 112 are provided with driving wheels 115, the two driving wheels 115 are respectively connected to the connecting shaft 114, and the driving wheels 115 are used for driving the second sprocket wheel 112 to rotate by a user; the two drive wheels 115 are provided with anti-slip threads for increasing the friction of the user's hands. Specifically, a first chain wheel 110 is fixedly arranged on a pin shaft 107 through a key, and a chain 111 is in meshing transmission connection with the first chain wheel 110; a through hole 113 is formed at the tail end of the main rod 101, namely the joint of the main rod 101 and the forceps handle 102, a connecting shaft 114 is fixedly arranged in the through hole 113, a second chain wheel 112 is rotatably arranged on the connecting shaft 114, and a chain 111 is in meshing transmission connection with the second chain wheel 112; two opposite sides of the second chain wheel 112 are provided with driving wheels 115, the two driving wheels 115 are respectively rotatably installed on the connecting shaft 114, and the two driving wheels 115 and the second chain wheel 112 are axially and fixedly installed, so that when a user drives the driving wheels 115 to rotate, the driving wheels 115 drive the second chain wheel 112 to rotate, then the second chain wheel 112 drives the first chain wheel 110 to rotate through the transmission of the chain 111, then the first chain wheel 110 drives the pin shaft 107 to rotate, then the pin shaft 107 drives the mounting seat 105 to rotate, then the mounting seat 105 drives the measuring ruler 104 to rotate, and then the tissue function of the measuring ruler 104 in abdominal cavity rotation measurement is realized.

This is disclosed through the design of first sprocket 110, chain 111, second sprocket 112, when needs are measured abdominal cavity tissue, the user is rotatory through drive second sprocket 112, utilizes the meshing transmission principle between sprocket and the chain 111, and makes first sprocket 110 indirectly drive the dipperstick 104 rotatory, and convenient to use person controls the angle that dipperstick 104 measured.

In some embodiments, the material of the measuring ruler 104 is one of TPU, PVC, medical rubber or medical silica gel; the material of the handset 100 is one of stainless steel, titanium alloy, nickel-based alloy, inconel or plastic. In the specific implementation process, the measuring ruler 104 has certain toughness and flexibility to prevent the measuring ruler 104 from damaging the abdominal tissues, the specific materials and hardness of the measuring ruler 104 and the hand-held device 100 need to be determined according to the actual application, the model selection calculation method of the measuring ruler 104 adopts the prior art in the field, and the disclosure is not limited in particular.

It should be noted that the overall width of the measuring ruler 104 and the main rod 101 is less than the opening wound of the abdominal cavity operation, i.e. less than or equal to 1cm; the mounting base 105 and the pin 107 are removably connected, so that the measuring ruler 104 with different lengths can be replaced conveniently, for example, the measuring ruler 104 can measure 10cm, 7.5cm or 5cm in length.

Specifically, the theory of operation of the measuring tool in peritoneoscope art that this disclosure provided does:

the measuring scale 104, the mounting base 105, the main rod 101 and the clamp handle 102 are mounted according to the connection mode of the embodiment, and the measuring scale 104 and the main rod 101 are jointly sent into the abdominal cavity of a patient;

when abdominal tissues need to be measured, a user drives the driving wheel 115 to rotate, the driving wheel 115 drives the second chain wheel 112 to rotate, the chain 111 is in meshing transmission connection with the second chain wheel 112, and then the second chain wheel 112 drives the chain 111 to rotate; the chain 111 is in meshed transmission connection with the first chain wheel 110, and then the chain 111 drives the first chain wheel 110 to rotate; the first chain wheel 110 is fixedly arranged on the pin shaft 107 through a key, and then the first chain wheel 110 drives the pin shaft 107 to rotate; the mounting seat 105 is fixedly connected with a pin 107, the pin 107 drives the mounting seat 105 to rotate, the measuring scale 104 is fixedly connected with the mounting seat 105, the mounting seat 105 drives the measuring scale 104 to rotate, and the angle of the measuring scale 104 in the abdominal cavity is changed so as to measure abdominal tissues at different positions and angles;

the scale marks 106 marked with different colors are arranged on the measuring scale 104, so that the user can read the abdominal tissue in the abdominal cavity to determine the length of the abdominal tissue, namely, the accuracy of the measured data is increased.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.

Claims

1. A laparoscopic measurement tool, comprising:

the hand-held device comprises a main rod and a clamp handle, wherein the main rod is used for extending into an abdominal cavity, the clamp handle is used for being held by a user, the main rod is smoothly and excessively connected with the clamp handle, and the main rod is provided with a cavity;

the mounting seat is rotatably mounted with one end of the main rod;

2. The laparoscopic measuring tool of claim 1, wherein said measuring ruler has graduation marks thereon.

3. The laparoscopic measuring tool of claim 2, wherein said hand piece further comprises a pin, said main shaft having a closed end, said pin being inserted through said closed end and said pin being connected to said mounting seat.

4. The laparoscopic measuring tool of claim 3, further comprising an adjusting member, said adjusting member comprising a first sprocket, a chain and a second sprocket, said first sprocket being fixedly mounted to said pin, said first sprocket and said second sprocket being connected by said chain, said second sprocket being disposed on said main rod.

5. The laparoscopic measuring tool according to claim 4, wherein said main rod has a through hole formed therein, and said second sprocket is rotatably mounted in said through hole through a connecting shaft.

6. The laparoscopic measuring tool of claim 5, wherein said second sprocket is provided with driving wheels at opposite sides thereof, said driving wheels are respectively connected to said connecting shafts, and said driving wheels are respectively connected to said second sprocket, said driving wheels are used for driving said second sprocket to rotate by a user.

7. The laparoscopic measuring tool of claim 6, wherein both said drive wheels are provided with non-slip threads for increasing friction on the user's hand.

8. The laparoscopic measuring tool of claim 7, wherein said measuring ruler is made of one of TPU, PVC, medical rubber or medical silica gel.

9. The laparoscopic measuring tool of claim 8, wherein said main stem is provided in a cylindrical configuration.

10. The laparoscopic measuring tool of claim 9, wherein said hand piece is made of one of stainless steel, titanium alloy, nickel-based alloy, inconel, or plastic.