Anesthesia syringe capable of controlling dosage

Abstract

Compared with the mode that anesthetists control the anesthetic dosage through manual operation and naked eye observation, the mode that the clamping and fixing mode of the injector and the mode that an injection rod is accurately controlled to conduct injection are redesigned through the mode that anesthetists control the anesthetic dosage through manual operation and naked eye observation. The flange clamping plate and the needle cylinder clamping plate are used for fixing the injector from the needle cylinder of the injector and the flange on the needle cylinder respectively, so that the deviation of the injection volume of liquid medicine caused by the movement of the needle cylinder in the injection process can be effectively prevented; a pushing plate of the pushing and injecting mechanism abuts against a pushing and injecting plate on a pushing rod of an injector, and the pushing plate moves to push the pushing rod of the injector to move so as to push and inject anesthetic liquid medicine; the movement of the push plate is driven by the gear and the rack which are meshed with each other; the gear is a driving part, driving power comes from the motor, rotation of the motor is controllable, namely, the sliding distance of the push plate is controllable, and the movement distance of the push rod of the injector and the dosage of anesthetic are indirectly controllable.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a dose-controllable anesthesia syringe. Background Art

[0002] Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items that are used directly or indirectly on the human body for the purpose of diagnosis, prevention, monitoring, treatment or relief of diseases. Injection devices are a relatively common and widely used type of medical device.

[0003] Anesthesia is a reversible inhibition of the functions of the central and peripheral nervous systems produced by drugs or other methods. In layman's terms, even if the patient temporarily loses sensation as a whole or in part, surgical treatment can be performed painlessly. Therefore, hospitals need to inject anesthetics when performing surgery.

[0004] In actual operation, most existing medical syringes use the liquid inside the syringe to directly push the push rod into the syringe in a straight line. Medical staff manually observe and push the push rod of the syringe manually, and control the depth of the push rod into the syringe to control the amount of liquid ejected. During this operation, the anesthesiologist needs to repeatedly adjust the dosage of the anesthetic, and perform manual operation and visual observation at the same time, which makes it difficult to accurately control the injection amount of the anesthetic liquid. Once the control is not good, it will bring serious consequences to the patient and is not conducive to actual injection use.

[0005] Therefore, it is necessary to provide a dose-controllable anesthesia syringe to improve the above-mentioned problems. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides an anesthetic syringe with controllable dosage. The device is designed on the clamping and fixing method of the syringe and the method of accurately controlling the injection depth. The syringe barrel is fixed by the flange clamp and the syringe clamp together; the push rod of the syringe is driven to move by the push mechanism, which is powered by a motor and has precise matching of the gear and the rack to achieve control of the anesthetic dosage by accurately controlling the movement of the push rod.

[0007] In order to achieve the above technical objectives, the utility model is implemented through the following technical solutions:

[0008] A dose-controllable anesthesia syringe comprises: a clamping mechanism and a push injection mechanism;

[0009] The clamping mechanism comprises a bottom plate and a clamping plate, wherein the clamping plate comprises a flange clamping plate and a syringe clamping plate; the flange clamping plate is integrally connected to one side of the bottom plate; the flange clamping plate is composed of four vertical plates which are parallel to each other and symmetrical in pairs, and the gap between the vertical plates is for the flange plate of the syringe to be placed; the syringe clamping plate comprises two clamping plates which are symmetrical to each other, and the two clamping plates are respectively driven by the elastic force of the spring, tend to approach each other after being pulled, and clamp the object placed between the two; the single clamping plate is connected to the bottom plate through a column;

[0010] A push-injection mechanism is installed at one end of the other side of the base plate, and the push-injection mechanism includes a slide, a gear, a rack, a driving member and a push plate; the slide is fixedly connected to the base plate; the rack is meshed with the gear and is driven by the driving member to slide on the top of the slide; a push plate is fixedly connected to the end of the rack, and the push plate is driven by the rack to slide on the base plate; the plane where the push plate is located is perpendicular to the extension direction of the rack;

[0011] The bottom plate is provided with volume scale lines, the arrangement direction of the volume scale lines is perpendicular to the plane where the push plate is located; the object indicated by the volume scale lines is the sliding length of the push plate;

[0012] Furthermore, the clamping plate is an arc-shaped plate-shaped structure adapted to the outer surface of the syringe barrel; a pull rod is integrally connected to the outer wall of the clamping plate; a baffle is provided in the middle of the pull rod, and a pull plate is integrally provided at one end away from the clamping plate; a spring is sleeved between the pull plate and the baffle of the pull rod; the column is fixedly connected to the bottom plate; the baffle is elastically driven by the spring to abut against the column;

[0013] Furthermore, the driving member includes but is not limited to a micro motor and a rotating rocker; the output shaft of the driving member rotates to drive the gear to rotate; the driving member is fixed to the bottom plate through a mounting seat; the mounting seat is fixedly connected to the bottom plate and is parallel to the slide seat;

[0014] Furthermore, a pad parallel to the flange clamp is provided on the bottom plate; at least two pads are provided in parallel and fixedly connected to the bottom plate; the pads are made of soft elastic material;

[0015] Furthermore, a concave slide groove is provided on the top of the slide seat, the rack is placed in the slide groove, and slides on the slide groove relative to the slide seat; the slide seat is parallel to the bottom plate and at least two slide seats are provided in a gap;

[0016] The beneficial effects of the utility model are:

[0017] The utility model provides a dose-controllable anesthesia syringe. Compared with the method of controlling the dose of anesthetic solution by manual operation and naked eye observation by anesthesiologists, the utility model redesigns the clamping and fixing method of the syringe and the method of precisely controlling the injection rod for injection. 1. The syringe is fixed by the flange clamp and the syringe clamp from the syringe barrel and the flange on the syringe, respectively, which can effectively prevent the deviation of the injection volume of the liquid medicine caused by the movement of the syringe during the injection process.

[0018] 2. The push plate of the injection mechanism abuts against the push plate on the push rod of the syringe, and the movement of the push plate drives the push rod of the syringe to achieve the injection of the anesthetic solution; because the movement of the push plate is driven by the meshing gear rack; and the gear is an active part, the driving power comes from the motor, and the rotation of the motor is controllable, that is, the sliding distance of the push plate is controllable, and the movement distance of the push rod of the syringe is indirectly controlled, and the dosage of the anesthetic agent is controllable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the bottom plate of the utility model;

[0022] Figure 3 It is a main structural schematic diagram of the utility model;

[0023] Figure 4 It is a cross-sectional structural schematic diagram of the cooperation between the syringe clamp and the column of the utility model;

[0024] Figure 5 The utility model Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1-clamping mechanism, 101-bottom plate, 102-clamping plate, 1021-flange clamping plate, 10211-vertical plate, 1022-syringe clamping plate, 10221-clamping plate, 103-vertical column, 104-volume scale line, 105-pull rod, 1051-baffle, 1052-pull plate, 106-spring, 107-mounting seat, 108-pad, 2-injection mechanism, 201-slide seat, 2011-slideway, 202-gear, 203-rack, 204-driving member, 205-push plate. 3-syringe, 301-syringe, 3011-nipple, 302-push rod, 303-injection plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example 1

[0029] See also Figure 1-Figure 4 In this embodiment, a dose-controllable anesthesia syringe includes: a clamping mechanism 1, an injection mechanism 2;

[0030] In this embodiment, the clamping mechanism 1 includes a base plate 101 and a clamping plate, wherein the clamping plate includes a flange clamping plate 1021 and a syringe 301 clamping plate 1022; the flange clamping plate 1021 is integrally connected to one side of the base plate 101; the flange clamping plate 1021 is composed of four mutually parallel and two-by-two symmetrical vertical plates 10211, and the gap between the vertical plates 10211 is for the flange plate of the syringe 3 to be placed; the syringe 301 clamping plate 1022 includes two mutually symmetrical clamping plates 1 0221, the two clamping plates 10221 are driven by the elastic force of the spring 106 respectively, and tend to approach each other after being pulled, and clamp the object placed between them; the single clamping plate 10221 is connected to the bottom plate 101 through the column 103; the overall function of the clamping mechanism 1 is to stably fix the syringe 301 of the syringe 3, and after fixation, only the injection rod 302 of the syringe 3 can move, and it moves relative to the syringe 301 of the syringe 3;

[0031] In this embodiment, a push-injection mechanism 2 is installed at one end of the other side of the base plate 101, and the push-injection mechanism 2 includes a slide 201, a gear 202, a rack 203, a driving member 204 and a push plate 205; the slide 201 is fixedly connected to the base plate 101; the rack 203 is meshed with the gear 202, and is driven by the driving member 204 to slide on the top of the slide 201; the end of the rack 203 is fixedly connected to a push plate 205, and the push plate 205 is driven by the rack 203 to slide on the base plate 101; the plane where the push plate 205 is located is perpendicular to the extension direction of the rack 203; the push-injection mechanism provides driving power for this device, and the transmission process of power and motion is completed by the meshing transmission of the gear and the rack;

[0032] In this embodiment, the specific function of the above-mentioned push mechanism 2 is to use the drive as the power source to convert the circular motion of the main shaft of the driving member 204 into the horizontal linear motion of the push rod through the transmission of the gear 202 and the rack 203; specifically, the driving member 204 is used in conjunction with the gear 202 and the rack 203, and the number of rotations of the output shaft of the driving member 204 is proportional to the linear motion of the push plate 205. Therefore, the linear motion of the push plate 205 can be controlled by accurately controlling the rotation of the output shaft of the driving member 204, thereby further realizing accurate push injection of the push rod 302 of the syringe 3;

[0033] In this embodiment, the bottom plate 101 is provided with volume scale lines 104, and the arrangement direction of the volume scale lines 104 is perpendicular to the push plate 205; the object indicated by the volume scale lines 104 is the sliding length of the push plate 205; the volume scale lines 104 have the same function as the volume scale lines 104 provided by the syringe 3, which are used to indicate the volume of the anesthetic solution injected, and further function is to assist in indicating the movement amount of the push plate 205 after the rotation of the driving member 204 is set;

[0034] In this embodiment, the clamping plate 10221 is an arc-shaped plate-like structure adapted to the outer surface of the syringe barrel 301 of the syringe 3; the outer wall of the clamping plate 10221 is integrally connected with a pull rod 105; a baffle 1051 is provided in the middle of the pull rod 105, and a pull plate 1052 is integrally provided at one end away from the clamping plate 10221; a spring 106 is sleeved between the pull plate 1052 of the pull rod 105 and the baffle 1051; the column 103 is provided on the bottom plate 101 and fixedly connected to the bottom plate 101; the baffle 1051 is elastically driven by the spring 106 to abut against the column 103;

[0035] In this embodiment, the driving member 204 includes but is not limited to a micro motor and a rotating rocker; the output shaft of the driving member 204 rotates to drive the gear 202 to rotate; the driving member 204 is fixed to the base plate 101 through a mounting seat 107; the mounting seat 107 is fixedly connected to the base plate 101 and is parallel to the slide seat 201;

[0036] In this embodiment, a pad 108 parallel to the flange clamp 1021 is provided on the bottom plate 101; at least two pads 108 are arranged in parallel and fixedly connected to the bottom plate 101; the pad 108 is made of soft elastic material; the pad 108 supports the syringe 301 of the syringe 3 so that the rotation center axis of the syringe 3 is horizontally parallel to the plane where the bottom plate 101 is located, thereby enhancing stability;

[0037] In this embodiment, a concave slide groove 2011 is provided on the top of the slide seat 201, and the rack 203 is placed in the slide groove 2011 and slides relative to the slide seat 201 on the slide groove 2011; the slide seat 201 is parallel to the bottom plate 101 and at least two are provided with a gap; the slide groove 201 supports the rack 203, and at least two slide seats 201 are provided to increase the stability of supporting the rack 203.

[0038] In this embodiment, the specific use process of a dose-controllable anesthesia syringe 3 is as follows:

[0039] After sucking an appropriate dose of anesthetic solution with the syringe 3, hold the syringe 3 steadily; start the driving member 204 to move the rack 203 to the end away from the flange clamp 1021; insert the flange of the syringe 3 into the gap between the flange clamps 1021; and at the same time, pull the pull plates 1052 of the two pull rods 105 to open the two clamping plates 10221, place the syringe barrel 301 between the two clamping plates 10221, release the two pull rods 105, The clamping mechanism 1 realizes stable clamping of the syringe; the driving member 204 is started, and the push plate 205 is moved to fit and abut against the push plate 303 of the syringe 3; the number of rotations of the output shaft of the driving member 204 is set according to the volume of the anesthetic solution to be injected; after the nipple 3011 of the syringe 3 is connected to the needle and the puncture is completed, the driving member 204 is started; the rotation of the output shaft of the driving member 204 is converted into horizontal sliding of the push plate 205 through the transmission of the meshing gear 202 and the rack 203;

[0040] In order to further increase the practicality and durability of the utility model, the various components of the utility model, especially the various components in the injection mechanism 2, especially the rack 203 should use materials with stable structure and not easy to deform, such as metal materials; the volume scale line 104 and the volume scale line 104 of the syringe 3 should accurately correspond.

[0041] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A dose-controllable anesthesia syringe, characterized in that: include: Clamping mechanism, injection mechanism; The clamping mechanism comprises a bottom plate and a clamping plate, wherein the clamping plate comprises a flange clamping plate and a syringe clamping plate; the flange clamping plate is integrally connected to one side of the bottom plate; the flange clamping plate is composed of four vertical plates which are parallel to each other and symmetrical in pairs, and the gap between the vertical plates is for the flange plate of the syringe to be placed; the syringe clamping plate comprises two clamping plates which are symmetrical to each other, and the two clamping plates are respectively driven by the elastic force of the spring, tend to approach each other after being pulled, and clamp the object placed between the two; the single clamping plate is connected to the bottom plate through a column; A push-injection mechanism is installed at one end of the other side of the bottom plate, and the push-injection mechanism includes a slide, a gear, a rack, a driving member and a push plate; the slide is fixedly connected to the bottom plate; the rack is meshed with the gear and is driven by the driving member to slide on the top of the slide; the end of the rack is fixedly connected to a push plate, and the push plate is driven by the rack to slide on the bottom plate; The plane where the push plate is located is perpendicular to the extension direction of the rack; The bottom plate is provided with volume scale lines, and the arrangement direction of the volume scale lines is perpendicular to the plane where the push plate is located; the object indicated by the volume scale lines is the sliding length of the push plate.

2. A dose-controllable anesthesia syringe according to claim 1, characterized in that: The clamping plate is an arc-shaped plate structure that is compatible with the outer surface of the syringe barrel; a pull rod is integrally connected to the outer wall of the clamping plate; a baffle is provided in the middle of the pull rod, and a pull plate is integrally provided at the end away from the clamping plate; a spring is sleeved between the pull plate and the baffle of the pull rod; the column is fixedly connected to the bottom plate; the baffle is elastically driven by the spring to abut against the column.

3. A dose-controllable anesthesia syringe according to claim 1, characterized in that: The driving member includes but is not limited to a micro motor and a rotating rocker; the output shaft of the driving member rotates to drive the gear to rotate; the driving member is fixed to the base plate through a mounting seat; the mounting seat is fixedly connected to the base plate and is parallel to the slide seat.

4. The dose-controllable anesthesia syringe according to claim 1, characterized in that: The bottom plate is provided with pads parallel to the flange clamps; no less than two pads are arranged in parallel and fixedly connected to the bottom plate; the pads are made of soft elastic material.

5. The dose-controllable anesthesia syringe according to claim 1, characterized in that: A concave sliding groove is provided on the top of the sliding seat, the rack is placed in the sliding groove and slides on the sliding groove relative to the sliding seat; the sliding seats are parallel to the bottom plate and at least two of them are arranged in a gap.

Images