CN215306499U

CN215306499U - Gastrointestinal surgery abdominal cavity operation puncture device

Info

Publication number: CN215306499U
Application number: CN202120586609.7U
Authority: CN
Inventors: 杨海淦; 陈育忠; 赵先明; 曹蕊
Original assignee: First Affiliated Hospital of Guangzhou University of Chinese Medicine
Current assignee: First Affiliated Hospital of Guangzhou University of Chinese Medicine
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-12-28
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to the field of medical instruments, in particular to a gastrointestinal surgery abdominal cavity operation puncture device, which comprises a liquid suction module and a power module detachably connected with the liquid suction module; the power module comprises an installation frame, a screw rod in threaded connection with the installation frame and a driving mechanism for driving the screw rod to move up and down relative to the installation frame; the liquid suction module comprises an injection tube and a push rod movably arranged in the injection tube; the screw rod and the push rod can be dismantled and be connected, and the screw rod drives the push rod and reciprocates in the injection tube, and the piston is installed to the end of push rod. The utility model is provided with the driving mechanism with the motor, when imbibing, the imbibing process can be completed by one person without manually operating the injector, the operation is simple and convenient, the efficiency is high, the imbibing speed and force are controlled by the motor, the control is accurate and stable, the imbibing module and the power module are detachably connected, and the same set of power module can be suitable for injectors and needles with various specifications so as to meet different operation requirements.

Description

Gastrointestinal surgery abdominal cavity operation puncture device

Technical Field

The utility model relates to the field of medical instruments, in particular to a puncture device for enterocoelia surgery.

Background

The abdominal puncture is a diagnosis and treatment method for determining the nature of the effusion of the abdominal cavity, finding out the pathogeny and assisting the diagnosis. In the prior art, when the needle head is inserted into the abdominal cavity of a patient, two hands are needed for matching to operate the syringe for sucking liquid, and another worker is needed to hold the needle head with hands, so that the operation is very troublesome and cannot be completed by one person, and the working efficiency of the worker is reduced; and in the process of imbibing, the imbibing speed and force are completely mastered by workers, and high proficiency is needed, otherwise, the imbibing speed and force cannot be well controlled.

Therefore, the utility model provides a puncture device for enterocoelia surgery in order to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model adopts the following technical scheme:

a puncture device for enterocoelia surgery in gastrointestinal surgery comprises a liquid suction module and a power module detachably connected with the liquid suction module; the power module comprises an installation frame, a screw rod in threaded connection with the installation frame and a driving mechanism for driving the screw rod to move up and down relative to the installation frame; the liquid suction module comprises an injection tube and a push rod movably arranged in the injection tube; the screw rod and the push rod can be dismantled and be connected, and the screw rod drives the push rod and reciprocates in the injection tube, and the piston is installed to the end of push rod.

Furthermore, the driving mechanism comprises a motor, a first gear fixedly connected with an output shaft of the motor and a second gear meshed with the first gear, and the second gear is sleeved on the screw rod and drives the screw rod to rotate; the motor is fixedly installed on the upper portion of the installation frame, and the second gear is rotatably connected with the upper portion of the installation frame.

Furthermore, a round hole is formed in the axial direction of the second gear, a limiting block is fixedly mounted in the round hole, a limiting groove which penetrates through the screw in the axial direction is formed in the surface of the screw, the limiting groove is matched with the limiting block, and the screw is connected into the second gear in a vertical sliding mode.

Furthermore, the upper end face of the mounting rack is provided with a mounting groove, a mounting ring is rotatably mounted in the mounting groove, and the upper end face of the mounting ring is fixedly connected with the lower end face of the second gear.

Furthermore, the screw rod and the push rod are detachably connected through a connecting mechanism, the connecting mechanism comprises a connecting block, at least two clamping blocks connected with the connecting block in a sliding mode, operating blocks fixedly connected with each clamping block respectively and the same in number, and an installation block clamped with the clamping blocks, the screw rod is rotatably connected with the connecting block, and the push rod is fixedly connected with the installation block.

Furthermore, the lower side of the connecting block is provided with accommodating grooves with the number equal to that of the clamping blocks, and the clamping blocks horizontally slide in the accommodating grooves; every up end of accomodating the groove all is equipped with a rectangular channel, rectangular channel with accomodate the groove intercommunication, the operation piece is at the rectangular channel internal level slip.

Furthermore, a clamping groove is formed in the upper end of the mounting block, the connecting block rotates in the clamping groove, and the clamping block is clamped with the clamping groove.

Further, the height of the accommodating groove is equal to that of the fixture block.

Further, the imbibition module still includes fixed connection at the pipette of injection tube front end, installs the syringe needle of keeping away from injection tube one end in the pipette.

Further, the lower terminal surface fixed mounting of mounting bracket has the contact piece, and the lower terminal surface of contact piece is equipped with friction line, and the contact piece passes through friction line and the up end frictional contact of injection tube.

Compared with the prior art, the utility model has the beneficial effects that:

1) the utility model is provided with the driving mechanism with the motor, when the liquid suction is carried out, the syringe does not need to be operated manually, only one hand holds the needle head and the other hand operates the driving mechanism, the liquid suction process can be completed by one person, the operation is simple and convenient, and the efficiency is high.

2) When the liquid suction device is used for sucking liquid, the speed and the force of the liquid suction are controlled by the motor, so that the speed and the force of the liquid suction are accurate and stable.

3) The liquid suction module and the power module are detachably connected, and the same set of power module can be combined with various liquid suction modules for use, so that the liquid suction module can be suitable for injectors and needles with various specifications to meet different operation requirements.

Drawings

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

FIG. 1 is a schematic view of the overall structure of a puncture device for abdominal cavity operation in gastrointestinal surgery according to the present invention;

FIG. 2 is a schematic structural diagram of a power module of the present invention;

FIG. 3 is a schematic cross-sectional view of the connection mechanism of the present invention;

FIG. 4 is an enlarged view of part A of FIG. 3;

FIG. 5 is a schematic cross-sectional view of the mounting groove of the present invention;

FIG. 6 is an enlarged view of the portion B of FIG. 5;

FIG. 7 is a schematic view showing a connection structure of a screw and a second gear according to the present invention;

fig. 8 is an enlarged view of a portion C of fig. 7.

In the figure: the liquid suction device comprises an I-liquid suction module, an II-power module, a 1-mounting frame, a 2-driving mechanism, a 3-connecting mechanism, a 4-screw rod, a 5-injection tube, a 6-push rod, a 7-liquid suction tube, an 8-needle head, a 11-threaded hole, a 12-mounting groove, a 13-mounting ring, a 14-contact block, a 21-motor, a 22-first gear, a 23-second gear, a 31-connecting block, a 32-clamping block, a 33-operating block, a 34-spring, a 35-bump, a 36-mounting block, a 231-round hole, a 232-limiting block, a 311-accommodating groove, a 312-rectangular groove, a 313-connecting groove, a 361-clamping groove and a 41-limiting groove.

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 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model is discussed in detail below with reference to figures 1 to 8 and specific embodiments:

the utility model relates to a gastrointestinal surgery abdominal cavity operation puncture device, which comprises a liquid suction module I and a power module II detachably connected with the liquid suction module I, wherein the liquid suction module I is used for sucking out abdominal dropsy during abdominal cavity puncture, the power module II is used for providing power for the liquid suction module I, and the detachable connection of the liquid suction module I and the power module II is convenient for the quick disassembly and assembly of the liquid suction module I and the power module II; the power module II comprises an installation rack 1, a screw rod 4 in threaded connection with the installation rack 1 and a driving mechanism 2 for driving the screw rod 4 to move up and down relative to the installation rack 1; the liquid suction module I comprises an injection tube 5 and a push rod 6 movably arranged in the injection tube 5; screw rod 4 can be dismantled with push rod 6 and be connected, and screw rod 4 drives push rod 6 and reciprocates in injection tube 5, and the piston is installed to the end of push rod 6.

The upper end surface of the mounting rack 1 is provided with a threaded hole 11, the threaded hole 11 is matched with the screw rod 4, and the screw rod 4 passes through the threaded hole 11 and is rotatably connected with the threaded hole 11; the upper end surface of the mounting rack 1 is also provided with an annular mounting groove 12, the mounting groove 12 is concentric with the threaded hole 11, a mounting ring 13 is rotatably mounted in the mounting groove 12, and the upper end surface of the mounting ring 13 is fixedly connected with the lower end surface of the second gear 23, so that the second gear 23 can not be separated from the mounting rack 1 when rotating; the lower terminal surface fixed mounting of mounting bracket 1 has contact piece 14, and contact piece 14's lower terminal surface is equipped with friction line, and contact piece 14 can increase the friction when contact piece 14 contacts with injection tube 5 through friction line and injection tube 5 up end frictional contact, prevents that mounting bracket 1 and injection tube 5 from taking place the relative slip when imbibition.

The connecting mechanism 3 comprises a connecting block 31, at least two fixture blocks 32 connected with the connecting block 31 in a sliding manner, an equal number of operating blocks 33 fixedly connected with each fixture block 32 respectively, and a mounting block 36 clamped with the fixture blocks 32, the screw rod 4 is rotatably connected with the connecting block 31, and the push rod 6 is fixedly connected with the mounting block 36; the lower side of the connecting block 31 is provided with accommodating grooves 311 matched with the clamping blocks 32, the number of the accommodating grooves 311 is equal to that of the clamping blocks 32, and the clamping blocks 32 horizontally slide in the accommodating grooves 311; the upper end face of each accommodating groove 311 is provided with a rectangular groove 312, the rectangular grooves 312 are communicated with the accommodating grooves 311, and the operation block 33 horizontally moves in the rectangular grooves 312; the height of the receiving groove 311 is equal to the height of the latch 32, so that the latch 32 is prevented from tilting when the operating block 33 is pushed, and the operating block 33 is prevented from tilting, and the latch 32 cannot be driven to slide if the operating block 33 tilts; a spring 34 is fixedly arranged between the fixture block 32 and the connecting block 31, and the spring 34 can keep the fixture block 32 in a state of extending out of the connecting block 31, so that the fixture block 32 and the mounting block 36 are kept clamped together; the upper end face of the connecting block 31 is provided with a connecting groove 313, a lug 35 is rotatably mounted in the connecting groove 313, the lug 35 is fixedly connected with the lower end of the screw rod 4, the screw rod 4 can drive the connecting block 31 to move when moving up and down, and the rotation of the screw rod 4 cannot be influenced; the upper end of the mounting block 36 is provided with a clamping groove 361, the connecting mechanism 3 is rotatably connected with the clamping groove 361, the clamping block 32 is clamped with the clamping groove 361, and when the clamping block 32 extends out of the connecting block 31 into the clamping groove 361, the clamping of the clamping block 32 and the clamping groove 361 is realized; the axial section of the part of the fixture block 32 extending into the accommodating groove 311 is triangular, the upper opening of the clamping groove 361 is smaller than the lower opening of the clamping groove 361, when the connecting block 31 enters the clamping groove 361, the upper inner wall of the clamping groove 361 can extrude the fixture block 32 back into the connecting block 31, when the lower end surface of the connecting block 31 is attached to the lower end surface of the clamping groove 361, the fixture block 32 reaches the lower part of the clamping groove 361, and the fixture block 32 can extend into the clamping groove 361 from the connecting block 31 under the action of the spring 34, so that clamping is achieved.

The driving mechanism 2 comprises a motor 21, a first gear 22 fixedly connected with an output shaft of the motor 21 and a second gear 23 meshed with the first gear 22, and the second gear 23 is sleeved on the screw rod 4 and drives the screw rod 4 to rotate; the motor 21 is fixedly arranged at the upper part of the mounting frame 1, the second gear 23 is rotatably connected with the upper part of the mounting frame 1, and the screw rod 4 is rotatably connected with the connecting block 31; after the motor 21 is electrified, the output shaft rotates to drive the first gear 22 to rotate, the first gear 22 drives the second gear 23 to rotate, the second gear 23 drives the screw rod 4 to rotate, and the screw rod 4 rotates and moves up and down at the same time, so that the connecting block 31 is driven to move up and down; a round hole 231 is formed in the axial center of the second gear 23, a limit block 232 is fixedly installed in the round hole 231, a limit groove 41 which penetrates through the screw rod 4 in the axial direction is formed in the surface of the screw rod 4, the limit groove 41 is matched with the limit block 232, the limit block 232 is connected with the limit groove 41 in a sliding mode, the limit block 232 can slide up and down in the limit groove 41, the screw rod 4 is connected into the second gear 23 in a sliding mode, when the second gear 23 rotates, the screw rod 4 can be driven to rotate together, and the up-and-down movement of the screw rod 4 is not influenced; the top end face of the screw rod 4 is fixedly provided with a top ring to prevent the screw rod 4 from being separated from the second gear 23 and the mounting rack 1.

Specifically, the liquid suction module I further comprises a liquid suction pipe 7 fixedly connected to the front end of the injection tube 5 and a needle 8 installed at one end, far away from the injection tube 5, of the liquid suction pipe 7; the specific structures of the pipette 7 and the needle 8 are all the same as those of the prior art, and are not described herein again.

The utility model relates to a puncture device for enterocoelia surgery, which comprises the following working processes:

firstly, selecting a needle 8 and an injector 5 with proper specifications according to the operation requirement, and combining an installation block 36, the injector 5, a pipette 7 and the needle 8 to form a pipette module I; then, the power module II is placed on the liquid absorption module I, the connecting mechanism 3 is pushed into a clamping groove 361 of the mounting block 36 to be clamped, the lower end face of the contact block 14 is attached to the upper end face of a handle of the injection tube 5, and then the injection tube 5 and the power module II are fixed together; inserting the needle head 8 into a designated position of a patient, holding the needle head 8 with one hand, starting the motor 21 with one hand, driving the second gear 23 to rotate by the motor 21, driving the first gear 22 to rotate by the second gear 23, driving the screw rod 4 to rotate by the first gear 22, and driving the screw rod 4 to rotate because the screw rod 4 is rotatably connected with the threaded hole 11 and the mounting frame 1 is fixed, so that the screw rod 4 moves upwards while rotating, and the screw rod 4 drives the connecting block 31 to drive the connecting mechanism 3, the push rod 6 and the piston to move upwards, so as to suck out effusion in the body of the patient; when the accumulated liquid needs to be discharged from the injection tube 5, the motor 21 is rotated reversely, so that the push rod 6 and the piston move downwards to discharge the accumulated liquid from the injection tube 5; under the driving of the motor, the speed and the force of the process of sucking out the accumulated liquid are controlled accurately and stably; when needs are with power module II and the separation of imbibition module I, only need to promote operation block 33 to the centre simultaneously, inside operation block 33 drove fixture block 32 and withdrawed connecting block 31, fixture block 32 breaks away from the block of draw-in groove 361, realizes the separation of power module II and imbibition module I.

The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.

Claims

1. A gastrointestinal surgery abdominal cavity operation piercing depth which characterized in that: including imbibition module, with the power module of connection can be dismantled to imbibition module, wherein:

the power module comprises an installation frame, a screw rod in threaded connection with the installation frame and a driving mechanism for driving the screw rod to move up and down relative to the installation frame;

the liquid suction module comprises an injection tube and a push rod movably arranged in the injection tube;

the screw rod is detachably connected with the push rod, the screw rod drives the push rod to move up and down in the injection tube, and the tail end of the push rod is provided with a piston.

2. The gastrointestinal surgical laparoscopic procedure puncture device of claim 1, wherein: the driving mechanism comprises a motor, a first gear fixedly connected with an output shaft of the motor and a second gear meshed with the first gear, and the second gear is sleeved on the screw and drives the screw to rotate; the motor is fixedly installed on the upper portion of the installation frame, and the second gear is rotatably connected with the upper portion of the installation frame.

3. The gastrointestinal surgical laparoscopic procedure puncture device of claim 2, wherein: the second gear is axially and centrally provided with a round hole, a limiting block is fixedly arranged in the round hole, the surface of the screw rod is provided with a limiting groove which axially penetrates through the round hole, the limiting groove is matched with the limiting block, and the screw rod is vertically and slidably connected in the second gear.

4. The gastrointestinal surgical laparoscopic procedure puncture device of claim 2, wherein: the up end of mounting bracket is opened there is the mounting groove, the collar is installed to the mounting groove internal rotation, the up end of collar with the lower terminal surface fixed connection of second gear.

5. The gastrointestinal surgical laparoscopic procedure puncture device of claim 1, wherein: the screw rod with the push rod passes through coupling mechanism and can dismantle the connection, coupling mechanism include the connecting block, with two at least fixture blocks of connecting block sliding connection, with every the fixture block respectively fixed connection's equal quantity the operation piece, with the installation piece of fixture block joint, the screw rod with the connecting block rotates to be connected, the push rod with installation piece fixed connection.

6. The gastrointestinal surgical laparoscopic procedure puncture device of claim 5, wherein: the lower side of the connecting block is provided with accommodating grooves with the number equal to that of the clamping blocks, and the clamping blocks horizontally slide in the accommodating grooves; every the up end of accomodating the groove all is equipped with a rectangular channel, the rectangular channel with accomodate the groove intercommunication, the operation piece is in the rectangular channel internal horizontal slip.

7. The gastrointestinal surgical laparoscopic procedure puncture device of claim 5, wherein: the mounting block is provided with a clamping groove at the upper end, the connecting block rotates in the clamping groove, and the clamping block is clamped with the clamping groove.

8. The gastrointestinal surgical laparoscopic procedure puncture device of claim 6, wherein: the height of the accommodating groove is equal to that of the clamping block.

9. The gastrointestinal surgical laparoscopic procedure puncture device of claim 1, wherein: the imbibition module is characterized by further comprising a pipette fixedly connected to the front end of the injection tube and a needle mounted at one end, far away from the injection tube, of the pipette.

10. The gastrointestinal surgical laparoscopic procedure puncture device of claim 1, wherein: the lower end face of the mounting rack is fixedly provided with a contact block, the lower end face of the contact block is provided with friction lines, and the contact block is in friction contact with the upper end face of the injection tube through the friction lines.