CN213884704U

CN213884704U - Styptic powder injector

Info

Publication number: CN213884704U
Application number: CN202022384924.XU
Authority: CN
Inventors: 胡涛; 邸勋; 吕东坡; 徐兰举
Original assignee: Hebei Aineng Biotechnology Co ltd
Current assignee: Hebei Aineng Biotechnology Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-08-06
Anticipated expiration: 2030-10-23

Abstract

The utility model relates to a hemostasis powder injection ware, it includes: the hemostatic powder tube, the operating handle, the push rod and the pushing mechanism; the push rod is arranged in the operating handle and is in sliding connection with the operating handle, the push mechanism is hinged with the operating handle, and the hemostatic powder tube is positioned at the front end of the push rod and is detachably connected with the operating handle; the pushing mechanism is used for pushing the pushing rod to advance by the top of the pushing mechanism when the pushing mechanism rotates anticlockwise relative to the operating handle, so that the hemostatic powder in the hemostatic powder tube is pushed out; the pushing rod comprises a piston disc and a rack fixedly connected with the piston disc, and the pushing mechanism comprises a movable handle and a propeller. The utility model discloses the structure that utilizes movable handle and operating handle hinge turns into moment to rack thrust, makes the intraductal hemostasis powder of rack promotion hemostasis powder, uses less grip to release the hemostasis powder to can one-hand operation.

Description

Styptic powder injector

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a hemostasis powder pushes away notes ware.

Background

The hemostatic powder is an effective hemostatic mode, and is widely applied to operations and life due to good hemostatic effect and no toxic or side effect on human bodies. The hemostatic powder has very high absorption effect on liquid, and on one hand, the hemostatic powder concentrates blood platelets by absorbing water in blood, so that the agglutination speed and the agglutination capability of the blood platelets are enhanced, and the purpose of hemostasis is achieved; on the other hand, after the hemostatic powder absorbs water and expands, a certain pressure is formed on peripheral blood vessels so as to promote hemostasis.

In modern medicine, a pushing injection device is often used to deliver hemostatic powder to a required position, for example, in patent document with application number CN 201621244472.2 entitled "blood powder pusher for stopping operation", a hemostatic powder pusher is disclosed, which comprises a movable cavity and a push rod slidably connected and arranged in the movable cavity, and is characterized in that a one-way valve communicated with the inner cavity of the movable cavity is arranged for ensuring that negative pressure generated during drug delivery is communicated with the outside, so as to keep the hemostatic powder in the movable cavity in a stationary state, and a negative pressure backflow phenomenon cannot occur. However, most of the prior art bolus devices have the following problems: because the hemostatic powder is a powdery solid, the pushing force is very large during the injection, the operation is not suitable for one-hand operation, and the injection is relatively laborious.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a hemostatic powder injector which can inject hemostatic powder by one hand is labor-saving.

In order to solve the above problems, the utility model adopts the following technical proposal:

a hemostatic powder injector, comprising: the hemostatic powder tube, the operating handle, the push rod and the pushing mechanism;

the push rod is arranged in the operating handle and is in sliding connection with the operating handle, the push mechanism is hinged with the operating handle, and the hemostatic powder tube is positioned at the front end of the push rod and is detachably connected with the operating handle; the pushing mechanism is used for pushing the pushing rod to advance by the top of the pushing mechanism when the pushing mechanism rotates anticlockwise relative to the operating handle, so that the hemostatic powder in the hemostatic powder tube is pushed out;

the push rod comprises a piston disc and a rack fixedly connected with the piston disc, the push mechanism comprises a movable handle and a propeller, the movable handle penetrates through the operating handle and is hinged to a fixed column on the operating handle, the propeller is arranged on the upper portion of the movable handle and is hinged to the movable handle through a pin shaft, and the upper portion of the propeller is clamped between two adjacent teeth of the rack and meshed with the rack to push the rack to advance.

As a further improvement, the pin shaft is provided with a torsional spring, one end of the torsional spring is connected with the movable handle and the other end of the torsional spring is connected with the propeller.

As a further improvement of the utility model, operating handle includes first casing and second casing, be equipped with a plurality of projection on the first shells inner wall, be equipped with on the second shells inner wall with projection matched with a plurality of tongue, first casing with the second casing passes through the projection with the tongue is connected.

As a further improvement, the symmetry has set firmly the draw runner on the rack top lateral wall, all be equipped with the fixed plate on the inner wall of operating handle both sides, the draw runner overlap joint is in fixed plate upper portion, with fixed plate upper surface sliding connection.

As a further improvement of the utility model, the diameter of the piston disc is equal to the inner diameter of the hemostatic powder tube.

As a further improvement of the utility model, the operating handle comprises a movable cavity and a fixed handle, and the push rod is arranged in the movable cavity; the movable handle penetrates through a sliding groove in the fixed handle to be hinged with the fixed column and moves in the sliding groove.

As a further improvement, the hemostatic powder tube is provided with an external thread, the operating handle is provided with an internal thread matched with the external thread, and the hemostatic powder tube is detachably connected with the operating handle through the thread.

As a further improvement of the utility model, the movable handle is provided with an arc-shaped groove matched with the fingers of a person.

As a further improvement, the fixed column circumferential direction is equipped with the strengthening rib, the strengthening rib with operating handle connects.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model provides a hemostatic powder injector, which is provided with a hemostatic powder tube, an operating handle, a push rod and a push mechanism; pushing mechanism includes movable handle and propeller, and the pushing ram includes piston dish and rack, through extrusion movable handle, utilizes the structure of movable handle and operating handle hinge to turn into moment to rack thrust, makes the intraductal hemostatic powder of rack promotion hemostatic powder, uses less grip to release hemostatic powder to can one-hand operation.

The propeller of the utility model is connected with the upper part of the movable handle through the pin shaft, and the pin shaft is provided with the torsional spring, one end of the torsional spring is connected with the movable handle, and the other end is connected with the propeller; when pinching the movable handle, the movement track of the movable handle is arc-shaped, so that the propeller upwards pushes the rack, and due to the action of the pin shaft, the propeller receives downward reaction force given by the rack, so that the effect of pushing the rack is only completed, the rack cannot be upwards jacked, the problem of rack damage caused by long-time use is avoided, and due to the action of the torsion spring, when the hand is loosened, the propeller returns to the initial position and is meshed with the rack.

The operating handle of the utility model comprises a first shell and a second shell, the first shell and the second shell are connected through the convex column and the convex groove, the push rod and the push mechanism are both positioned inside the shell, which is not easy to damage, and when the device goes wrong, the shell can be conveniently disassembled for maintenance; the hemostatic powder tube is detachably connected with the operating handle, so that the hemostatic powder can be conveniently added into the hemostatic powder tube.

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 embodiments or the technical solutions in 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of the internal structure of the present invention.

Fig. 2 is a schematic structural diagram of the first housing of the present invention.

Fig. 3 is a schematic structural diagram of the second housing of the present invention.

Fig. 4 is a schematic structural view of the propulsion lever of the present invention.

Fig. 5 is a schematic structural diagram of the pushing mechanism of the present invention.

Wherein: the hemostatic powder tube comprises a hemostatic powder tube 1, an operating handle 2, a fixed column 2-1, a first shell 2-2, a second shell 2-3, a convex column 2-4, a convex groove 2-5, a fixed plate 2-6, a movable cavity 2-7, a fixed handle 2-8, a sliding groove 2-9, a reinforcing rib 2-10, a pushing rod 3, a piston disc 3-1, a rack 3-2, a sliding strip 3-3, a pushing mechanism 4, a movable handle 4-1, a propeller 4-2, a pin shaft 4-3 and a torsion spring 4-4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following description of the present invention with reference to the accompanying drawings and specific embodiments is provided for clarity and completeness.

As shown in fig. 1 to 5, a hemostatic powder injector includes: the hemostatic powder tube 1, the operating handle 2, the push rod 3 and the pushing mechanism 4; the push rod 3 is arranged inside the operating handle 2 and is connected with the operating handle 2 in a sliding manner, the push mechanism 4 is hinged with the operating handle 2, and the hemostatic powder tube 1 is positioned at the front end of the push rod 3 and is detachably connected with the operating handle 2; when the pushing mechanism 4 is rotated counterclockwise relative to the operating handle 2, the top thereof pushes the pushing rod 3 to advance, so as to push out the hemostatic powder in the hemostatic powder tube 1.

The pushing rod 3 comprises a piston disc 3-1 and a rack 3-2 fixedly connected with the piston disc 3-1, the pushing mechanism 4 comprises a movable handle 4-1 and a propeller 4-2, the movable handle 4-1 penetrates through the operating handle 2 to be hinged with a fixed column 2-1 on the operating handle 2, the propeller 4-2 is arranged at the upper part of the movable handle 4-1 and is hinged with the movable handle 4-1 through a pin shaft 4-3, and the upper part of the propeller 4-2 is clamped between two adjacent teeth of the rack 3-2 and is meshed with the rack 3-2 to push the rack 3-2 to advance.

The embodiment of the utility model provides a hemostatic powder injector, through pinching movable handle 4-1 and operating handle 2, utilize the structure of movable handle 4-1 and the 2 hinges of operating handle to turn into moment to rack 3-2 thrust, make rack 3-2 promote the hemostatic powder in the hemostatic powder pipe 1, use less grip to release hemostatic powder to can one-hand operation.

The hemostatic powder propeller can also operate hemostatic powder for multiple times, a torsion spring 4-4 is sleeved on the pin shaft 4-3, one end of the torsion spring 4-4 is connected with the movable handle 4-1, and the other end of the torsion spring is connected with the propeller 4-2, as shown in fig. 5. When the movable handle 4-1 is pinched, the movement track of the movable handle 4-1 is arc-shaped, so that the propeller 4-2 pushes the rack 3-2 upwards, and the rack 3-2 bears downward force on the propeller 4-2 under the action of the pin shaft 4-3, so that the propeller 4-2 moves forwards to push the hemostatic powder, and the problem that the rack 3-2 is damaged due to long-time use is avoided; due to the action of the torsion spring 4-4, when the hand is loosened, the movable handle 4-1 drives the propeller 4-2 to return to the initial position to be meshed with the rack 3-2, and the movable handle 4-1 is pinched for the next time until the hemostatic powder is pushed out.

In order to ensure that the rack 3-2 can move forward to enable the top of the rack to push the push rod 3 to move forward so as to push out the hemostatic powder in the hemostatic powder tube 1, as shown in fig. 2-4, sliding strips 3-3 are symmetrically and fixedly arranged on the side wall of the top of the rack 3-2, fixing plates 2-6 are arranged on the inner walls of the two sides of the operating handle 2, and the sliding strips 3-3 are lapped on the upper parts of the fixing plates 2-6 and are in sliding connection with the upper surfaces of the fixing plates 2-6. Certainly, in order to push the rack 3-2 out conveniently, a weight reduction groove can be formed in the top of the rack 3-2 to reduce the weight of the rack 3-2, or a light material can be adopted to reduce the weight of the rack 3-2, so that the push rod 3 is pushed more easily and labor is saved.

In order to further ensure that the movable handle 4-1 can rotate when the movable handle 4-1 is pinched, the operating handle 2 comprises a movable cavity 2-7 and a fixed handle 2-8, and the push rod 3 is arranged inside the movable cavity 2-7; the movable handle 4-1 penetrates through the sliding groove 2-9 on the fixed handle 2-8 to be hinged with the fixed column 2-1, and the movable handle moves in the sliding groove 2-9, namely, the movable handle 4-1 can rotate as the sliding groove 2-9 is formed on the fixed handle 2-8.

The movable handle 4-1 of the hemostatic powder propeller can be also provided with an arc-shaped groove matched with fingers of a person, the arc-shaped groove accords with human engineering, the device is more comfortable and convenient to use, in addition, the diameter of the piston disc 3-1 is equal to the inner diameter of the hemostatic powder tube 1, and the condition that the use is influenced because the hemostatic powder in the hemostatic powder tube 1 flows back to the operating handle 2 is prevented.

Regarding the relation of being connected of hemostasis powder pipe 1 and operating handle 2, in a possible implementation, be equipped with the external screw thread on the hemostasis powder pipe 1, operating handle 2 be equipped with external screw thread complex internal thread, hemostasis powder pipe 1 with operating handle 2 passes through the screw thread and can dismantle the connection, is convenient for add hemostasis powder in hemostasis powder pipe 1, just, hemostasis powder pipe 1 material is transparent material, is convenient for observe the hemostasis powder volume in the hemostasis powder pipe 1.

Regarding the structure of the operating handle 2, as shown in fig. 2 and 3, the operating handle 2 includes a first housing 2-2 and a second housing 2-3, a plurality of protruding columns 2-4 are disposed on an inner wall of the first housing 2-2, a plurality of protruding grooves 2-5 matched with the protruding columns 2-4 are disposed on an inner wall of the second housing 2-3, and the first housing 2-2 and the second housing 2-3 are connected through the protruding columns 2-4 and the protruding grooves 2-5. The push rod 3 and the push mechanism 4 are both located inside the shell and are not easy to damage, and when the device goes wrong, the shell can be conveniently disassembled for maintenance.

Furthermore, reinforcing ribs 2-10 are arranged in the circumferential direction of the fixing column 2-1, and the reinforcing ribs 2-10 are connected with the operating handle 2, so that the probability of damage to the fixing column 2-1 due to bearing is reduced. A plurality of reinforcing ribs 2-10 can be arranged inside the first shell 2-2 and the second shell 2-3, so that the integral strength is enhanced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The hemostatic powder injector is characterized by comprising: the hemostatic powder tube (1), the operating handle (2), the push rod (3) and the pushing mechanism (4);

the push rod (3) is arranged inside the operating handle (2) and is in sliding connection with the operating handle (2), the push mechanism (4) is hinged with the operating handle (2), and the hemostatic powder tube (1) is positioned at the front end of the push rod (3) and is detachably connected with the operating handle (2); the pushing mechanism (4) is used for pushing the pushing rod (3) to advance when rotating anticlockwise relative to the operating handle (2), so as to push out the hemostatic powder in the hemostatic powder tube (1);

the push rod (3) comprises a piston disc (3-1) and a rack (3-2) fixedly connected with the piston disc (3-1), the pushing mechanism (4) comprises a movable handle (4-1) and a propeller (4-2), the movable handle (4-1) penetrates through the operating handle (2) to be hinged with a fixed column (2-1) on the operating handle (2), the propeller (4-2) is arranged at the upper part of the movable handle (4-1), is hinged with the movable handle (4-1) through a pin shaft (4-3), the upper part of the propeller (4-2) is clamped between two adjacent teeth of the rack (3-2), is meshed with the rack (3-2) and is used for pushing the rack (3-2) to advance.

2. The hemostatic powder injector according to claim 1, wherein a torsion spring (4-4) is sleeved on the pin (4-3), one end of the torsion spring (4-4) is connected with the movable handle (4-1), and the other end is connected with the propeller (4-2).

3. The hemostatic powder injector according to claim 1, wherein the operating handle (2) comprises a first housing (2-2) and a second housing (2-3), the first housing (2-2) has a plurality of protruding columns (2-4) on the inner wall thereof, the second housing (2-3) has a plurality of protruding grooves (2-5) on the inner wall thereof for matching with the protruding columns (2-4), and the first housing (2-2) and the second housing (2-3) are connected by the protruding columns (2-4) and the protruding grooves (2-5).

4. The hemostatic powder injector according to claim 1, wherein sliding strips (3-3) are symmetrically and fixedly arranged on the side wall of the top of the rack (3-2), fixing plates (2-6) are arranged on the inner walls of the two sides of the operating handle (2), and the sliding strips (3-3) are lapped on the upper parts of the fixing plates (2-6) and are connected with the upper surfaces of the fixing plates (2-6) in a sliding manner.

5. The hemostatic powder injector according to claim 1, wherein the diameter of the piston disc (3-1) is equal to the inner diameter of the hemostatic powder tube (1).

6. The hemostatic powder injector according to claim 1, wherein the operating handle (2) comprises a movable cavity (2-7) and a fixed handle (2-8), and the push rod (3) is arranged inside the movable cavity (2-7); the movable handle (4-1) penetrates through a sliding groove (2-9) on the fixed handle (2-8) to be hinged with the fixed column (2-1) and moves in the sliding groove (2-9).

7. The hemostatic powder injector according to claim 1, wherein the hemostatic powder tube (1) is provided with an external thread, the operating handle (2) is provided with an internal thread matching with the external thread, and the hemostatic powder tube (1) and the operating handle (2) are detachably connected through a thread.

8. The hemostatic powder injector according to claim 1, wherein the movable handle (4-1) is provided with an arc-shaped groove matched with a human finger.

9. The hemostatic powder injector according to claim 1, wherein the fixing column (2-1) is provided with a reinforcing rib (2-10) in the circumferential direction, and the reinforcing rib (2-10) is connected with the operating handle (2).