CN117018356A - Adjustable low molecular heparin injection positioning disk - Google Patents

Abstract

The utility model discloses an adjustable low-molecular heparin injection positioning disc, which comprises a disc body and cylinders, wherein a plurality of mounting holes are formed in the disc body, the cylinders are slidably arranged in the mounting holes, and the outer walls of the cylinders are clamped on the disc body through clamping mechanisms; the utility model provides an adjustable low-molecular heparin injection positioning disk, when heparin injection is needed to be carried out at a certain position, a cylinder at the position is pressed downwards and clamped on a disk body through a clamping component, so that the relative position between the cylinder at the position and the positioning disk is changed, the fact that the position is injected can be clearly known, repeated injection of medical staff or patients can be avoided, the operation of the medical staff or the patients is facilitated, meanwhile, the cylinder can return, the heparin injection positioning disk can be reused, and resources are saved.

Description

Adjustable low molecular heparin injection positioning disk

Technical Field

The utility model relates to the technology of medical equipment, in particular to an adjustable low-molecular heparin injection positioning disc.

Background

The low molecular heparin is a generic name of heparin with lower molecular weight prepared by depolymerizing common heparin, is mainly used for preventing and treating venous thrombosis, and has low possibility of bleeding when the heparin plays an anti-thrombus role and high bioavailability, so that the medicines with similar effects are widely applied clinically. Because of the drug properties, the injection points are usually required to be positioned at the abdomen and 5cm outside the umbilical region of the patient, and the adjacent injection points cannot be too close, so that adverse effects such as subcutaneous ecchymosis and hematoma are easily caused if the injection is improper. In the nursing operation of low molecular heparin injection, medical staff still commonly adopts a direct injection mode, and selects an injection position by virtue of memory and experience, however, the low molecular heparin is different from other injection solutions, and the medicine characteristics of the low molecular heparin lead to skin surface blood stasis points and blood stasis spots caused by short-distance multiple injection, if the injection operation is not processed, the adverse reactions such as hematoma, tissue necrosis, epidermic hemorrhage and the like can be caused, and life is endangered seriously.

If the grant notice number is CN107158526B, the grant notice date is 2020, 05 month and 01 days, and the low molecular weight heparin injection nursing operation scale plate is named, the low molecular weight heparin injection nursing operation scale plate comprises a main plate body and two wings of a running table, wherein the main plate body comprises a positioning plate, an inner peripheral rail, an outer peripheral rail, a scale fan plate, a pointer positioning rod and a concentric positioning rod, the inner Zhou Gui is arranged at the outer edge of the positioning plate, the scale fan plate is in sliding fit between the inner peripheral rail and the outer peripheral rail, and the two wings of the running table are in sliding fit on the outer peripheral rail of the main plate body. Aiming at the characteristics of low molecular weight heparin injection medicines, the transverse, longitudinal and circumferential distances of an injection position are accurately controlled to be about 20mm, an injection range is positioned through a positioning disk, a central positioning plate is used for locating a basic injection point, a forbidden injection ring plate shields a forbidden injection area, a pointer positioning rod positioning angle and longitudinal interval, a concentric positioning rod positioning distance and transverse interval, after two positioning rod positioning holes are overlapped, a nursing staff accurately finding a position most suitable for injection is more accurate and rapid to operate, and the difficulty of self-operation of a practicing doctor and a patient is effectively reduced.

For another example, the patent with the authorized bulletin number of CN216824377U, the authorized bulletin day of 2022, month and 28, named as a low molecular heparin sodium injection card, comprises an injection card main body, an auxiliary cover, a first fixing band and a second fixing band, wherein one side of the injection card main body is fixedly adhered with a first hook surface and a second hook surface, the upper end of one side of the injection card main body is fixedly provided with a tag clip, one side of the injection card main body is fixedly adhered with an auxiliary cover, one end of the injection card main body is fixedly provided with the first fixing band, and the other end of the injection card main body is fixedly provided with the second fixing band. According to the utility model, through the injection card main body, the auxiliary cover, the first fixing belt and the second fixing belt, the problems that the existing low-molecular heparin sodium injection card is inconvenient to take and has poor actual use effect due to the fact that marks are needed to be made on the surface of the injection card to identify the injected position, the injection card can only be used once, the injection card can be protected through the protection unit, and the marks and the signatures are prevented from being unintentionally wiped off are solved.

Also, if the authorized bulletin number is CN213076985U, the authorized bulletin day is 2021, 04 and 30, the patent with the name of low molecular heparin calcium injection dial plate comprises an injection dial plate and an injection registration card; the injection dial plate comprises a large disc, injection discs and positioning mark points, wherein three fan-shaped holes are uniformly distributed on the large disc, twelve injection discs are uniformly distributed on the circumference of the large disc, each injection disc is connected with the large disc through a dotted line, and the injection discs can be scratched; a positioning mark point is arranged right above the large disc; the registration card records the date, time of injection and bleeding assessment via a table. The dial plate can accurately position the injection position, can record the injection condition, and is convenient for injecting low molecular heparin calcium.

In order to ensure that all injection positions are not repeated and are separated by more than 2cm, the heparin injection card in the prior art usually adopts a numbering mode to mark all injection points, and when one position is injected, the mark at the position needs to be torn off, so that the injection card cannot be reused, and resources are wasted.

Disclosure of Invention

The utility model aims to provide an adjustable low-molecular heparin injection positioning disc, which solves the defects in the prior art.

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

the utility model provides a low molecular heparin injection positioning disk with adjustable, includes disk body and drum, set up a plurality of mounting holes on the disk body, every equal slidable mounting has the drum in the mounting hole, the drum outer wall passes through joint mechanism joint on the disk body.

The adjustable low-molecular heparin injection positioning disc is characterized in that belly clamping pieces are oppositely arranged on two sides of the disc body, each belly clamping piece comprises a fixed plate and a movable plate, the fixed plates are fixedly connected to the disc body, the movable plates are slidably connected in the fixed plates through clamping springs, and the movable plates are type.

The adjustable low-molecular heparin injection positioning disc is characterized in that a through hole is formed in the middle of the vertical section of the movable plate, the movable plate is divided into an upper plate and a lower plate through the through hole, a sliding shaft is connected between the upper plate and the lower plate in a sliding mode, a spiral positioning shaft is further arranged on the upper plate in a rotating mode in a penetrating mode, and the lower end of the spiral positioning shaft is connected with the lower plate in a threaded mode.

The adjustable low-molecular heparin injection positioning disc is characterized in that the middle part of the disc body is provided with a forbidden injection area, and the forbidden injection area is round and has a radius of 5cm.

According to the adjustable low-molecular heparin injection positioning disc, the middle part of the lower end of the disc body is provided with the alignment block, and the center positions of the alignment block and the forbidden region are the same.

The distance between the mounting holes of the adjustable low-molecular heparin injection positioning disk is not less than 2CM.

The adjustable low-molecular heparin injection positioning disc comprises the clamping mechanism, wherein the clamping mechanism comprises a groove formed in the lower side of the outer wall of the cylinder, a trapezoidal clamping block is slidably mounted in the groove, and a clamping spring is further connected between the trapezoidal clamping block and the groove.

The adjustable low-molecular heparin injection positioning disk is characterized in that the clamping mechanism further comprises a clamping ring fixedly arranged in the mounting hole, and a reset port is formed in the clamping ring.

The adjustable low-molecular heparin injection positioning disc is characterized in that the reset opening and the trapezoidal clamping block are correspondingly matched, and the width of the reset opening is larger than that of the trapezoidal clamping block.

The adjustable low-molecular heparin injection positioning disk is characterized in that an annular shade is fixed at the upper end of the cylinder, a return spring is connected between the annular shade and the upper end of the disk body, the return spring is sleeved on the cylinder, an annular groove is further formed in the upper end of the disk body, and the annular shade and the annular groove are correspondingly matched.

In the technical scheme, the adjustable low-molecular heparin injection positioning disk is provided, when heparin injection is needed to be carried out at a certain position, the cylinder at the position is pressed downwards and clamped on the disk body through the clamping component, so that the relative position between the cylinder at the position and the positioning disk is changed, the fact that the position is injected can be clearly known, repeated injection of medical staff or patients can be avoided, the operation of the medical staff or the patients is facilitated, meanwhile, the cylinder can return, the heparin injection positioning disk can be reused, and resources are saved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic perspective view of an adjustable positioning plate for low molecular heparin injection according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of a disc according to an embodiment of the present utility model.

Fig. 3 is a partial cross-sectional view of an adjustable low molecular weight heparin injection positioning disc according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a clamping ring according to an embodiment of the utility model.

Fig. 5 is a cross-sectional view of the interior of a cylinder according to another embodiment of the present utility model.

Fig. 6 is a cross-sectional view of the interior of a cylinder provided by yet another embodiment of the present utility model.

Reference numerals illustrate:

1. a tray body; 11. a mounting hole; 12. an abdomen grip; 121. a fixing plate; 122. a movable plate; 123. an upper plate; 124. a lower plate; 125. a slide shaft; 126. a spiral positioning shaft; 13. a forbidden zone; 14. an alignment block; 2. a cylinder; 21. an annular mask; 22. a return spring; 23. an annular groove; 24. pi Yaban; 241. pressing blocks; 242. an elastic extrusion block; 25. an annular through groove; 251. a buffer area; 26. pressing the cylinder; 261. a cylinder; 262. an arc-shaped plate; 27. a compression spring; 28. a stable clamping assembly; 281. extruding a rod; 282. a connecting groove; 283. a sliding block; 284. a pressure spring; 285. a gear block; 3. a clamping mechanism; 31. a groove; 32. a trapezoidal clamping block; 33. a clamping spring; 34. a clamping ring; 35. and a reset port.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

In the embodiments provided in the present utility model, the movement direction of the cylinder 2 is perpendicular to the disc 1, the disc 1 is parallel to the abdomen of the patient, the vertical direction in the embodiments of the present utility model refers to the direction perpendicular to the disc 1, the horizontal direction refers to the direction defined by the disc surface of the disc 1, and the terms vertical, horizontal, center, up, down, top, bottom, etc. in the embodiments of the present utility model are all based on this setting, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, that is, not limit the rights.

As shown in fig. 1-5, an embodiment of the present utility model provides an adjustable low molecular heparin injection positioning disc, which comprises a disc body 1 and a cylinder 2, wherein a plurality of mounting holes 11 are formed in the disc body 1, the cylinder 2 is slidably mounted in each mounting hole 11, and the outer wall of the cylinder 2 is clamped on the disc body 1 through a clamping mechanism 3.

In this embodiment, the tray body 1 is of a hard plate-shaped structure, and in order to prevent the tray body 1 from stabbing a patient during the installation process, four corners of the tray body 1 are provided with chamfers; the plurality of mounting holes 11 are distributed around the center of the disc body 1, the distance between the mounting holes 11 is not less than 20mm, preferably 20mm, the mounting holes 11 are round holes and penetrate through the disc body 1, the mounting holes 11 cannot be formed in a region with the center radius of 50mm, which is the injection prohibiting region, because the blood vessels and nerves of the injection prohibiting region are more distributed and are close to the navel eyes, the pain feeling is stronger during injection, the blood vessels of the injection prohibiting region are abundant, the injection may cause local blue stasis and even hematoma, the above is common knowledge in the field, and the above is not repeated; the diameters of holes in the middle of the cylinder 2 are larger than the diameters of the syringes, the holes penetrate through the syringes, the cylinder 2 has two states, namely, an initial state, namely, the relative positions between all the cylinders 2 and the tray body 1 are unchanged, the cylinder 2 is in a movable state, namely, the movable state is close to the abdomen of a patient, and a clamping state, at the moment, the outer wall of one cylinder 2 is clamped on the tray body 1 through a clamping mechanism 3, the relative positions between the cylinder 2 and the tray body 1 are changed, namely, the relative positions are mutually close to each other, and at the moment, the cylinder 2 cannot be close to the abdomen of the patient any more; furthermore, in order to ensure that the placement position of the tray body 1 is accurate and the positions among the plurality of mounting holes 11 are not changed due to the placement state of the tray body 1, an indication arrow in the vertical direction can be arranged on the tray body 1, and the direction of the indication arrow points to the head of a patient, so that the tray body 1 is adjusted according to the direction of the indication arrow, and the confusion of the positions among the mounting holes 11 can be avoided; specifically, when the device is in operation, the middle of the tray body 1 is aligned with the navel position of a patient, the direction of an indication arrow points to the head of the patient, a cylinder 2 can be selected in a mode of observation or pressing (the specific selection standard is that the cylinder 2 is obviously in an initial state or the cylinder 2 can not be extruded in any more), after the pressing is finished, the outer wall of the cylinder 2 is clamped on the tray body 1 through the clamping mechanism 3, namely, the cylinder 2 is in a clamping state, at the moment, the injector penetrates through the cylinder 2 to penetrate into the skin of the patient and inject low molecular heparin, at the moment, the cylinder 2 can also ensure the injection angle of the injector, of course, before the operation, the operation such as disinfection is needed to the abdominal position of the patient, after the injection of the cylinders 2 in all positions is finished, the clamping mechanism 3 can be separated from the cylinder 2 through rotating the cylinder 2, so that the cylinder 2 is reset, and therefore, after the injection of the cylinder 2 is finished, medical staff or the patient can be prevented from repeatedly injecting, the heparin is favorable for the operation of the patient, and the cylinder 2 can also return, so that the positioning tray can be repeatedly used, and resources can be saved.

In still another embodiment of the present utility model, abdomen clamping pieces 12 are respectively installed at opposite sides of the tray body 1, the abdomen clamping pieces 12 include a fixed plate 121 and a movable plate 122, the fixed plate 121 is fixedly connected to the tray body 1, the movable plate 122 is slidably connected in the fixed plate 121 through a clamping spring (not shown in the figure), the movable plate 122 is type, in order to prevent the tray body 1 from moving during injection, the relative positions of the tray body 1 need to be limited, the movable plate 122 is pulled out from the fixed plate 121 for a certain distance, and after the tray body 1 is placed, the movable plate 122 is slowly released to clamp the abdomen of a patient, so that the tray body 1 is limited.

In still another embodiment of the present utility model, a through hole is formed in the middle of the vertical section of the movable plate 122, the through hole divides the movable plate 122 into an upper plate 123 and a lower plate 124, a sliding shaft 125 is slidably connected between the upper plate 123 and the lower plate 124, the sliding shaft 125 is used for limiting the direction of the relative movement between the upper plate 123 and the lower plate 124, a spiral positioning shaft 126 is further rotatably disposed on the upper plate 123, and the lower end of the spiral positioning shaft 126 is in threaded connection with the lower plate 124 (in the present utility model, "lower end", "lower side" refers to the direction close to the abdomen of the patient); when the tray body 1 is used, the abdomen width of a patient needs to be adapted to different conditions, so that the length of the vertical section of the movable plate 122 needs to be adjusted, and the lower plate 124 can move in a direction far away from or close to the upper plate 123 only by rotating the spiral positioning shaft 126, so that abdomen widths of different patients are adapted to each other.

In still another embodiment of the present utility model, the middle portion of the disc body 1 is provided with a forbidden injection area 13, where the forbidden injection area 13 is circular and has a radius of 5cm, and the forbidden injection area 13 is an forbidden injection area, which is to avoid pain during injection, and also to avoid possible local blue-green or even hematoma caused by injection, which is common knowledge in the art and not described in detail.

In still another embodiment of the present utility model, a positioning block 14 is installed in the middle of the lower end of the disc body 1, the center positions of the positioning block 14 and the filling-forbidden region 13 are the same, the positioning block 14 is in a circular truncated cone shape, and when the position of the disc body 1 needs to be adjusted, the positioning block 14 is placed in the navel position of the patient and then adjusted.

In still another embodiment of the present utility model, the distance between the mounting holes 11 is not smaller than 2cm, which is due to the damage of low molecular heparin to local capillaries, and the long-term local injection position distance is smaller than 2cm, which is easy to induce subcutaneous hemorrhage and induration, which is not beneficial to absorption of the liquid medicine, and the above is common knowledge in the art, and will not be repeated here.

In still another embodiment of the present utility model, referring to fig. 3 and fig. 4, the clamping mechanism 3 includes a groove 31 formed on the lower side of the outer wall of the cylinder 2, a trapezoidal clamping block 32 is slidably mounted in the groove 31, the trapezoidal clamping block 32 is right trapezoid with a downward slope, a clamping spring 33 is further connected between the trapezoidal clamping block 32 and the groove 31, and the trapezoidal clamping block 32 can be contracted in the groove 31 under extrusion by matching the clamping spring 33 and the groove 31; the clamping mechanism 3 further comprises a clamping ring 34 fixedly arranged in the mounting hole 11, and a reset port 35 is formed in the clamping ring 34; the reset opening 35 and the trapezoid clamping block 32 are correspondingly matched, and the width of the reset opening 35 is larger than that of the trapezoid clamping block 32; an annular shade 21 is fixed at the upper end of the cylinder 2, a return spring 22 is connected between the annular shade 21 and the upper end of the disc body 1, the return spring 22 is sleeved on the cylinder 2, an annular groove 23 is also formed in the upper end of the disc body 1, and the annular shade 21 and the annular groove 23 are correspondingly matched; when a cylinder 2 is selected, the cylinder 2 is pressed downwards, at this time, the annular shade 21 synchronously moves downwards to be inserted into the annular groove 23 and synchronously presses the return spring 22, meanwhile, the trapezoidal clamping block 32 is contacted with the clamping ring 34, the trapezoidal clamping block 32 is pressed into the groove 31 by the clamping ring 34 to move inwards, at this time, the clamping spring 33 is synchronously compressed, when the trapezoidal clamping block 32 moves below the clamping ring 34, under the elastic action of the clamping spring 33, the trapezoidal clamping block 32 pops up, at this time, the cylinder 2 is released from pressing, under the elastic action of the return spring 22, the cylinder 2 has a trend of moving upwards, and the trapezoidal clamping block 32 is blocked and limited by the clamping ring 34 at this time, so that the distance between the cylinder 2 and the disc body 1 is changed, and when the trapezoidal clamping block 32 moves below the clamping ring 34, the annular shade 21 is also contacted with the bottom wall of the annular groove 23, the annular shade 21 can not move downwards any more, and a patient can observe or press the change to know the change, so that an uninjected area is conveniently selected; when injection at one position is completed, the annular shade 21 at the position is rotated, the cylinder 2 synchronously rotates and the return spring 22 is also twisted, the trapezoidal clamping block 32 is driven to slide on the bottom wall of the clamping ring 34 while the cylinder 2 rotates, and when the trapezoidal clamping block 32 completely enters below the return opening 35, the cylinder 2 ascends and rotationally returns under the elastic action of the return spring 22, so that the heparin injection positioning disc can be repeatedly used, and resources are saved.

Further, referring to FIG. 5, it is generally required to pinch the injection site of the patient before injection, depending on the body type of the patient, the injection site and the length of the needle used, if the skin pinching operation is not performed before injection, there is a risk that intramuscular injection is performed due to mishandling because of thin epidermis tissue, causing severe hypoglycemia reaction, when the estimated distance from the skin surface to the muscle is shorter than the length of the needle, the skin pinching operation can deepen the subcutaneous tissue depth of the site, effectively improving injection safety, and when the medical staff injects the patient, the above operation must be performed and the operation is proper, but when the patient self-injects, a part of the patient is not paid attention and the operation is not proper due to the lack of training, or the patient is adversely affected, substantially causing injection failure and being unknown, so a further improvement is proposed in the present embodiment to solve the above technical problems, the two sides of the lower end of the mounting hole 11 are respectively provided with a leather pressing plate 24 through a pin shaft in a relative rotation way, a first torsion spring (not shown in the figure) is also connected between the inner wall of the mounting hole 11 and the leather pressing plate 24, the first torsion spring is used for maintaining the initial state of the leather pressing plate 24, an annular through groove 25 is arranged in the cylinder 2, a pressing cylinder 26 is slidably arranged in the annular through groove 25, the pressing cylinder 26 comprises a cylinder 261 and two arc plates 262 which are oppositely arranged at the lower end of the cylinder 261, the side wall of the annular through groove 25 is provided with a sliding groove, the extending direction of the sliding groove is parallel to the axis of the cylinder 2, a bump is fixedly arranged on the pressing cylinder 26 and is slidably arranged in the sliding groove, the bump is connected with the sliding groove through a compression spring 27, one end of the leather pressing plate 24, which is far away from each other, is fixedly connected with a pressing block 241, the distance between the two arc plates 262 is greater than the distance between the two pins, so that the contact between the pressing cylinder 26 and the pins can be avoided when the pressing cylinder 26 moves downwards, and the lower end of the pressing cylinder 26 is abutted against the pressing block 241 in an initial state; when an injection is required to be performed at a certain injection position, the cylinder 2 is extruded downwards, so that the annular penetrating groove 25 and the pressing cylinder 26 are driven to synchronously move downwards, the pressing cylinder 26 is contacted with the pressing blocks 241 and presses the two pressing blocks 241 to rotate in different directions, so that the lower ends of the two leather pressing plates 24 are close to each other and pinch the skin of a patient, at the moment, the compression spring 27 is extruded, when the trapezoidal clamping block 32 is blocked and limited by the clamping ring 34, the position of the cylinder 2 is limited under the action of the return spring 22 and the trapezoidal clamping block 32, the pressing cylinder 26 is not moved any more at the moment, the two leather pressing plates 24 are kept close to each other, the skin of the patient is pinched in advance when the injector is inserted from the cylinder 2 and injected, adverse effects caused by that part of the patient does not attach importance to or is not trained in the injection process are avoided, meanwhile, the pinching process and the clamping process of the cylinder 2 is matched with each other in a matching mode, and different technical problems are further improved through the pinching process of the cylinder 2.

Still further, referring to fig. 5, when the low molecular heparin injection is performed on the patient, the red swelling and caking area needs to be avoided as much as possible, but when the patient self-injects, the above problems are ignored or not emphasized, the absorption of the medicine may be affected, the treatment effect is reduced, the above technical problem may be solved by slightly improving the above technical solution, a buffer zone 251 is provided between the upper end of the pressing cylinder 26 and the upper end of the annular through groove 25, that is, in the initial state, the pressing cylinder 26 does not occupy the whole annular through groove 25 in the vertical direction, when the skin pressure plate 24 works normally on the normal soft skin, the pressing cylinder 26 receives normal pressure, at this time, the compression spring 27 receives normal pressure, the pressing cylinder 26 and the cylinder 2 move downward together for a distance, at this time, the pressing cylinder 26 moves upward for a distance relative to the cylinder 2, but the distance is smaller than the length of the buffer zone 251, and the upper end of the pressing cylinder 26 does not protrude out of the annular through groove 25; when the skin pressure plate 24 encounters a red swelling or caking area, the relative movement of the lower end of the skin pressure plate 24 causes abnormal or failed clamping due to the fact that the red swelling or caking is larger in volume or larger in resistance, the skin pressure plate 24 cannot clamp the red swelling or caking to cause the skin to be hard and slippery and cannot be clamped, the red swelling or caking causes the skin pressure plate 24 to cause the lower end of the skin pressure plate 24 to be incapable of relatively moving, the cylinder 2 cannot be driven to clamp the red swelling or caking area by moving downwards in any way, the cylinder 2 can be continuously moved downwards only to force the compression spring 27 to be compressed, at the moment, the pressing cylinder 26 and the cylinder 2 do not move downwards together for a certain distance but do relative movement, so that the upper side of the pressing cylinder 26 can pass through the buffer area 251 and stretch out of the annular through groove 25, the upper end of the pressing cylinder 26 can be coated with red or other color warning paint, when a patient sees the pressing cylinder 26 stretches out of the annular through groove 25 and sees the color warning, the patient can pay attention to the position of the pressing cylinder 26, the abnormal state can be prevented by the injection cylinder 2, and the state of the injection cylinder is easily imaginable to be stopped by the patient by the state of the abnormal injection cylinder 2.

Thus, the pressing cylinder 26 is further improved, whether the injection position is red or swollen or caked can be detected and timely fed back to the patient, and the detection warning process and the pinch process of the leather pressing plate 24 and the clamping process of the cylinder 2 are mutually matched, so that different technical problems are solved.

Obviously, alternatively, the elastic coefficients of the compression spring 27 and the first torsion spring can be changed by debugging, so that the upper end of the pressing cylinder 26 does not extend out of the annular penetrating groove 25 when normal skin is pinched; when the skin is pinched, red or caked, the pressing cylinder 26 protrudes out of the annular penetration groove 25.

In a still further embodiment, the skin of the abdomen of the patient is clamped by the relative movement of the skin pressing plate 24 near one end of the skin, however, the contact position of the skin pressing plate 24 near one end of the skin and the skin is gradually deepened during the rotation, so that the skin pressing plate 24 may clamp the muscular tissue under the skin or cause the patient to inject the muscular tissue during the clamping, therefore, the embodiment provides a further proposal, aiming at further avoiding the intramuscular injection, the embodiment comprises a stable clamping assembly 28, the stable clamping assembly 28 comprises a squeezing rod 281 fixed at the lower end of the cylinder 2, a connecting groove 282 is relatively arranged in the mounting hole 11, a sliding block 283 is slidably arranged in the connecting groove 282, the skin pressing plate 24 is rotationally connected in the sliding block 283 through a pin shaft, a second torsion spring (not shown) is further connected between the sliding block 283 and the skin pressing plate 24, the second torsion spring is used for maintaining the initial horizontal state of the skin pressing plate 24, the push rod 281 and the skin pressing plate 24 are correspondingly matched, a pressure spring 284 is connected between the sliding block 283 and the connecting groove 282, a baffle 285 is further fixed on the sliding block 283, the baffle 285 is used for limiting the rotation angle of the skin pressing plate 24, so when the cylinder 2 moves downwards, the push rod 281 is driven to move downwards and the skin pressing plate 24 is contacted, thereby pushing the skin pressing plate 24 to rotate and initially clamp the surface of the abdominal skin of a patient, when the cylinder 2 continues to move downwards, the skin pressing plate 24 is contacted with the baffle 285, at the moment, the skin pressing plate 24 cannot rotate any more, when the push rod 281 continues to move downwards, the two skin pressing plates 24 are pushed to be close to each other in the horizontal direction, and at the same time, the sliding block 283 slides in the connecting groove 282 and compresses the pressure spring 284, the two skin pressure plates 24 are close to each other in the horizontal direction so as to completely clamp the surface of the abdomen skin of the patient, and the skin pressure plates 24 can not be deeply close to the abdomen skin of the patient in the process, so that the muscular tissue in the abdomen skin of the patient can not be clamped, and the muscular tissue of the abdomen of the patient can be prevented from being clamped under the condition that the epidermis of the abdomen of the patient can be ensured to be clamped by further improving the skin pressure plates 24.

Preferably, an elastic extrusion block 242 is mounted on one end surface of the pressing block 241, and when the pressing blocks 241 are close to each other to pinch the abdominal skin of the patient, the elastic extrusion block 242 increases the resistance between the abdominal skin and the pressing block 241, so as to prevent the pressing block 241 from pinching the injection site of the patient during injection.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. The utility model provides a low molecular heparin injection positioning disk with adjustable, includes disk body and drum, set up a plurality of mounting holes on the disk body, every equal slidable mounting has the drum in the mounting hole, its characterized in that, the drum outer wall passes through joint mechanism joint on the disk body.

2. The adjustable low molecular heparin injection positioning disk according to claim 1, wherein belly clamping pieces are installed on two sides of the disk body oppositely, the belly clamping pieces comprise a fixed plate and a movable plate, the fixed plate is fixedly connected to the disk body, the movable plate is slidably connected in the fixed plate through a clamping spring, and the movable plate is type.

3. The adjustable low molecular heparin injection positioning disk according to claim 2, wherein a through hole is formed in the middle of the vertical section of the movable plate, the through hole divides the movable plate into an upper plate and a lower plate, a sliding shaft is connected between the upper plate and the lower plate in a sliding manner, a spiral positioning shaft is further rotatably arranged on the upper plate in a penetrating manner, and the lower end of the spiral positioning shaft is connected with the lower plate in a threaded manner.

4. The adjustable low molecular heparin injection positioning disk of claim 1, wherein a forbidden injection area is arranged in the middle of the disk body, and the forbidden injection area is round and has a radius of 5cm.

5. The adjustable low molecular heparin injection positioning disc according to claim 1, wherein an alignment block is installed in the middle of the lower end of the disc body, and the center of the alignment block is the same as that of the forbidden region.

6. The adjustable low molecular weight heparin injection positioning disk of claim 1, wherein the spacing between each of said mounting holes is no less than 2cm.

7. The adjustable low molecular heparin injection positioning disk of claim 1, wherein the clamping mechanism comprises a groove formed in the lower side of the outer wall of the cylinder, a trapezoidal clamping block is slidably mounted in the groove, and a clamping spring is further connected between the trapezoidal clamping block and the groove.

8. The adjustable low molecular weight heparin injection positioning disk of claim 7, wherein the clamping mechanism further comprises a clamping ring fixedly arranged in the mounting hole, and a reset port is formed in the clamping ring.

9. The adjustable low molecular heparin injection positioning disk of claim 8, wherein the reset opening and the trapezoidal clamping block are correspondingly matched and the width of the reset opening is larger than the width of the trapezoidal clamping block.

10. The adjustable low molecular heparin injection positioning disk according to claim 1, wherein an annular shade is fixed at the upper end of the cylinder, a return spring is connected between the annular shade and the upper end of the disk body, the return spring is sleeved on the cylinder, an annular groove is further formed in the upper end of the disk body, and the annular shade and the annular groove are correspondingly matched.